Proceedings of the International Conference on Advances in Energy, Environment and Chemical Engineering
176 articles
Proceedings Article
The Comparison of Four Different Groundwater Level Prediction Models in Baoding City
Qi Wang, Tingshan Tian, Changqing Li
This paper has quantitatively predicted the groundwater level variation in Baoding City based on BP neural network model, regression analysis model, time series model, and Markov model. It can be concluded that the prediction accuracy of BP neural network model and time series model is the highest, and...
Proceedings Article
A Reliability Index Computation Method Based on Particle Swarm Optimization
Haitao Lu, Yuge Dong
For the structural limit state function with the multiple most probable failure points(MPP) and the multiple most probable failure domains, the reliability computation error generated by the First Order Reliability Method (FORM) or the Second Order Reliability Method (SORM) is unacceptable in some important...
Proceedings Article
Study on the Field Test Methods of Asphalt Pavement of Highway Runway
Baohua Shi, Bing Cao, Yamen Zhang, Wei Xu
as one kind of airport, highway runway must be tested and assessed on scene before enable. Aimed at the situation of our country is short of performance index test regulations and methods, this research discussed the test characteristics and demands through several side like vehicle drive, traffic security,...
Proceedings Article
Error Analysis of the Cable Force on Skew Normal Distribution
Lin Shen, Laijun Liu, Fangwen Wu, Yu Li
In order to investigate the the mathematical model considering the skewness-parameter, which covers the shortage of long-span bridge in sensitive parameter analyzing. Random variable along with its statistic probability model is taken. The application of influence coefficient helps to build up a determining...
Proceedings Article
Seismic Pounding Response of Girder Bridges Considering Lateral Stiffness of Ground Motion
Lin Shen, Laijun Liu, Fangwen Wu, Yu Li
In order to study the effect of pounding at expansion joints of beam bridge on the seismic responses of bridge structure during earthquake, the research is based on multi-particle of single degree of freedom system, and the pounding effects of adjacent girders on seismic responses with 3 different of...
Proceedings Article
Application of BP Neural Network Model in the Recycled Concrete Performance Prediction
Jinggan Shao, Xiaoxiang Ji, Ran Li
When the construction wastes were used as raw materials of Recycled concrete, the type and replacement ratio of recycled aggregates should be considered in addition to mix proportion. It is very difficult to describe the complicated nonlinear relationship between different indexes. Through analyzing...
Proceedings Article
Reliability Analysis of Mechanical Sand Washing System
Yunfei Fu, Jie Gong, Ziming Yang, Puwang Li, Sidong Li, Mingzhe Lv
The purpose of this study is to calculate the reliability of the mechanical sand washing system. The basic principle and process flow of the sand washing system are introduced. According to the structural characteristic of the sand washing system, the simplified reliability model of the system is established....
Proceedings Article
Study on Performance Factors of Variable Frequency Heat Pump Water Heater
Zhijiang Wu, Yansheng Xu, Xuewei Zhang
The performance factors of a R290 variable frequency heat pump water heater are experimentally studied. The performance factors including COP, heating time, consumption power , compression ratio, degree of super heat and degree of sub cooling with the frequencies changing from 40Hz to 90Hz are discussed....
Proceedings Article
Study on Relationship between Regional Cultural Heritage and Urban Park Reconstruction
Xuelan Yang, Qiping Chen
Integration of regional culture and urban park is an important approach of landscape transformation. Landscape reconstruction of modern urban park must fully excavate and coalesce the regional culture element, in order to create new landscape with more vitality. Based on regional culture and landscape...
Proceedings Article
Statistical Resistance and Reliability Analysis of Steel-Concrete Composite Beams
Xinyan Shao, Chongxi Bai, Wang Liang
Through summing up, statistical parameters of steel material property based on new standards and statistical parameters of geometry property of steel-concrete composite beams are obtained. Testing datum of steel-concrete composite beam in bending state and its connecting piece in shearing state is roundly...
Proceedings Article
Reliability Analysis of the main shaft of the Nuclear Power CNC Wheel Milling Machine Based on the Probability Finite Element Method
Zhiwei Li
In view of the complex factors affecting the reliability of the main shaft of a nuclear power CNC wheel milling machine, a finite element analysis model is established by using the ANSYS parametric modeling technique and the finite element analysis model of the machine tool spindle, which will affect...
Proceedings Article
Research on Vertical Stiffener of Box Strengthen-joint Region Connection for Weak Axis of I-section Column
Shun Zhang, Linfeng Lu, Lulu Wang
The weak axis of I-section column welded the vertical stiffener to simulate the form of strong axis connection. The seismic behavior of joint region and the affections on the ultimate bearing capacity of beam by changing the thickness of skin panel have been analyzed. The hysteretic behavior of joint...
Proceedings Article
The Effects of Screw Arris Cross Section Shapes on the Melting Process in the Melt Conveying Section of a PVC Wood-Plastics Single-Screw Extruder
Tao Fan, ZuoBing Chen, Shuai Tang, JiaJia Du, RuiJia Dong
In this paper, a three-dimensional model of the melt conveying section of a PVC Wood-Plastic single-screw extruder has been constructed and the corresponding mesh file has been established through Mesh Superposition Techniques (MST). Then the rheological experimental results and material viscosity model...
Proceedings Article
The Meso Analysis on the Damage of the Crossover Jointed Rock Mass under the Uniaxial Compression
Bing Sun, Haifeng Zhang, Qiuyang Zhang, Sheng Zeng
The rock structure is extremely complex, it is difficult to reflect the mechanical properties and the relevant failure mechanisms truly under loads whatever by the theoretical analysis or the laboratory test. In order to analyze the damage characteristics of the crossover jointed rock mass from the microscopic...
Proceedings Article
Study on Spatial Distribution Characteristics of Intra-city Economic Sector Value-added Growth Rates in Henan Province
Kaiguang Zhang, Mingting Ba, Yanmin Sun, Hongling Meng
Using city region as the study unit, this paper utilizes spatial statistical analysis methods to analyze the spatial distribution characteristics, spatial correlations, as well as the difference degrees of sector value-added growth rates for all cities of Henan province in 2011-2014. The results show...
Proceedings Article
Research on the High Ground Temperature Risk during Long Tunnel Construction
Peiyu Yu
The high ground temperature is a prominent problem in the construction of deep buried long tunnels. Based on the analysis of high ground temperature in existing tunnels, the influence of high ground temperature on tunnel construction was divided into three situations, namely the harm to human body, effects...
Proceedings Article
Analysis on Construction Monitoring Scheme of Highway Tunnel with Small Spacing
Jianwu Gong, Peilin Qi, Bingyan Wen
Monitoring is an important work to measure the rationality of tunnel design and construction, especially for highway tunnel with small spacing. The design of construction monitoring scheme was analyzed based on a practice of small spacing tunnel engineering. The method to determine the monitoring items,...
Proceedings Article
Numerical Analysis on Influence of Underground Space Construction on Adjacent Tunnel
Jianwu Gong, Xin Wang, Hao Sheng
The construction of underground engineering will bring risks and potential hazards to the adjacent tunnel engineering. A series of numerical analysis models have been built to analyze the influence of underground engineering construction having on adjacent tunnel structure under different horizontal...
Proceedings Article
The Method of Determinant Value Calculation Using Eigenvalues
Hongling Meng, Kaiguang Zhang, Mingting Ba
The paper utilizes the linear transformation in the analysis of covariance matrix of observed values about natural phenomenon, while computing eigenvalues, the corresponding determinant value is calculated , at last the relationship between the eigenvalues and determinant value is given.
Proceedings Article
Nonlinear Analysis of Smart Concrete Beams with Piezoelectric Actuators
Weichen Xue, Yang Li, Feng Yang
A novel piezoelectric smart concrete beam composed of a concrete beam, a piezoelectric actuator and a counterforce device is developed and investigated. Based on the governing equation of ‘actuating force-voltage’ of piezoelectric actuator proposed by the authors, a nonlinear analysis program, in which...
Proceedings Article
About the Rigid Slab Hypothesis in High-Rise Building
Jin Duan, Xiaoming Chen, Yungui Li
In this paper, the rigid slab hypothesis, which is widely used in high-rise buildings, would be discussed. The modal analysis results for two building structures would be presented and compared based on the ISSS [1-4], with and without rigid slab hypothesis respectively. It could be observed from the...
Proceedings Article
Disease and Numerical Analysis of Cement Concrete Overlay of a Second-level Road4
Yacan Liu, Jianming Yang, Chao He
According to disease investigation and analysis of cement concrete overlay of G322 secondary road, analysis model is built by ABAQUS finite element software, vehicle load stress, temperature stress and uneven settlement of widening subgrade and other external factors of cement overlay are considered,...
Proceedings Article
A Remote Mobile Controlling and Monitoring Vehicle System
Xutao Liu, Feng Luo
In this paper, we created a remote mobile controlled and monitored vehicle system, which is used in the self-driving and self-parking cars for the last kilometer. The system consists of three main parts: the car-mounted terminal, which is installed in the car for receiving remote orders from the mobile...
Proceedings Article
Experimental Study on Tensile Fatigue Strength of Steel Fiber Reinforced Concrete
Yang Lu, Zhongren Feng
The tensile fatigue property of steel fiber reinforced concrete (SFRC) was studied. In an axial tensile fatigue experiment, 52 prismatic specimens were tested under various stress conditions. A significant increase is found in the fatigue life of SFRC comparing to that of ordinary concrete. The results...
Proceedings Article
A Study on the Eccentric Loading of K Node of Steel Tube Tower
Haifeng Liu, Fei Wang, Junke Han, XiaoGuang Hu
At present, in the steel tube tower, all the diagonal members’ axial leads intersect on the main members’ axial leads which would always cause the large size of node plate. The existing theoretical analysis shows that negative eccentricity of node connection can decrease the size of node plate, reduce...
Proceedings Article
Master-Slave Node Method of Processing Plane Node
Zhigang Su, Fei Wang, Qinghua Li, Weifang Shang, Zifu Zhang
In the process of finite element analysis about space truss structure, the problem of plane node must be dealt with. Generally, there are four methods about plane node, void- rod element method, removal freedom method, adding virtual spring method, method of beam element. In this paper a new treatment...
Proceedings Article
First-principles Study on the Properties of Point Defects in Hcp-Dy
Kaimin Fan, Jing Tang, Qingqiang Sun, Shiyun Wu, Xuehang Wang
This Ab initio density functional theory calculations have been used to study the properties of point defects for hexagonal close-packed (hcp) Dysprosium (Dy), e.g., the formation energies of self-interstitial atoms (SIAs), mon-vacancy, interstitial H atoms and interstitial He atoms. The results indicate...
Proceedings Article
Monitoring of High Slope and the Foundation of Security Forecast Model
Sifeng Zhang, Weilin Zhang, Yanmei Li
Dynamic in-situ monitoring is one of the important measures to ensure the stability of high slope engineering. Combined with a practical project, and based on the analysis of data that have been collected about the deformation of slope surface and interior and the stress state of support structures,...
Proceedings Article
Quadratic Finite Volume Element Methods Based on Optimal Stress Points for Solving One-Dimensional Parabolic Problems
Jiahui Sun, Mingjuan Ma, Shichun Pang, Yongpo Zhang
A new Lagrangian quadratic finite volume element method based on optimal stress points was presented for solving one-dimensional parabolic problem with trial and test spaces as the Lagrangian quadratic finite volume element space and the piecewise constant function space respectively. It is proved that...
Proceedings Article
Risk Analysis of Harmful Gas in Deep Buried Long Tunnel Construction
Yanxi Zhao, Caihong Jia
The emergence of harmful gas will bring serious difficulties to the tunnel construction, improper handling can easily lead to accidents. In order to evaluate the possibility of harmful gas in the tunnel, the basic characteristics of harmful gas in tunnel are analyzed from three aspects, that is spatial...
Proceedings Article
Design of Dam Concrete Pressure Sensor and its Application in Test
Keke Zhu, Yongdu Chen, Shiyue Wang, Liang Wu
In this paper, through the compressive test of three graded dam concrete, using the method of strain electric testing, recording the value of stress and strain synchronously. A new strain sensor which was designed and processed is proved that is cheap, convenient, and can be used widely.
Proceedings Article
Experimental Study on Flexural Behavior of CBF Bar Reinforced Concrete Beams
Shu Tang, Juan Han
Through test on flexural behavior of 2 CBF bar reinforced concrete simple-supported beams on three-point static loading until failure, the experiment researches and analyzes the differences of the crack distribution, the ultimate bearing capacity, the load-deflection relationship and the impact of crack...
Proceedings Article
Study on Damage Characteristic of Underground Cavern Blasting Excavation Based on Dynamic Damage Constitutive Model
Qian Dong, Xinping Li, Hang Zhao
The dynamic disturbance to the remaining surrounding rock mass of underground caverns produced by blasting excavation can not be ignored. Considering the rock mass damage induced by compression-shear stress in the zone near the blasthole, the KUS dynamic damage constitutive model was improved, and adding...
Proceedings Article
Study on Damage Constitutional Relation and Attenuation Law of Elastic Wave in Fractured Rock Mass
Hang Zhao, Xinping Li, Qian Dong
Fissures in the high stress mass of deep buried had a great influence on mechanical properties and wave velocity of rock mass. Based on similarity theory, Rock like materials simulated deep buried marble of Jinping-II Hydropower Station. Under different fracture and different confining pressure, the...
Proceedings Article
Effects of Low Temperature Stress and Release on Photosynthetic Indexes of Greening Seedlings of Three Tree Species
Zhuomin Wang, Jianxin Xu, Li Xue, Tongtong Zhou
Photosynthetic characteristics of seedlings of Carallia brachiata, Ficus microcarpa and Phoebe zhennan were studied at 6°C low temperature stress using Artificial Climate Box. After continuous treatments of 0 d, 2 d, 4 d, 6 d and a recovery of 2 d in nature, the photosynthetic indexes of the seedlings...
Proceedings Article
The Thermal Analysis of Polyurethane Prodrug with Different Drug Content
Zhiguo Wen, Chong Tian, Wanli Nie
Polyurethane prodrugs with different drug contents were synthesized using polycaprolactone, hexamethylene diisocyanate and ciprofloxacin. The thermal analysis of the materials was carried out by DSC and TG. Results showed that the crystallinity of the materials reduced as the drug contents increased...
Proceedings Article
Anti-Fatigue and Anti-Hypoxic Effects of Lycium barbarum Polysaccharides
Ming Wu, Liquan Guo
The purpose of the present study was to evaluate the anti-fatigue and anti-hypoxic effects of Lycium barbarum polysaccharides (LBP) in mice. The mice were randomly divided into four groups, a control group and three treatment groups. The treated groups received different doses of LBP (125, 250 and 500...
Proceedings Article
Study on the Degradation of Dye Pollutants Over Silver Phosphate Photocatalyst
Tiantian Wu, Yanping Liang, Fangyuan Deng
The study deals with the visible-light-driven photodegradation of dye pollutants, especially for methylene blue(MO) over silver phosphate photocatalyst. The Ag3PO4 photocatalyst was synthesized by a simple ultrasonic-assisted ion-exchange method in weak acidity solution including silver nitrate, sodium...
Proceedings Article
Assessing the Solitary and Joint Biotoxicities of Heavy Metals and Acephate Using Microbial Fuel Cell
Yue Yi, Xingye Li, Xuanhua Jiang, Beizhen Xie, Hong Liu, Dawei Liang, Ying Zhu
A microbial fuel cell (MFC)-based biosensor can be used to detect the water toxicity. In this study, the solitary and joint biotoxicities of heavy metal ions (Cu2+, Ni2+, Cd2+) and acephate were investigated using single-chamber MFC. The results showed that all the contaminants could individually inhibit...
Proceedings Article
Toxic Effect of Nano-TiO2 and Nano-Carbon on Microcystis Aeruginosa
Ruixin Guo, Yiyun Liu, Jianqiu Chen
To evaluate the environmental safety of the joint action of nano-TiO2 and nano-carbon, Microcystis aeruginosa was used as the model organism to explore the effect of different concentration of nano- TiO2 and nano-carbon on the growth of algae. This experiment suggested that the growth of algae will be...
Proceedings Article
6-carboxyl Preparation and Characterization of Chitin
Xinlei Fang, Ran Xu, Junyun Huang, Xiaofang Li, Yan Yang, Jianhong Yang
Chitin has good biological activity, but the nature of the shell element is difficult to dissolve in water severely restrict its application in many fields. Through chemical modification, as the hydroxyl group to change its characteristics of different preparation of chitin, and were characterized by...
Proceedings Article
Study on Determination of Standard Molar Enthalpy of Formation for Complex of Europium Chloride with Glycine and Alanine by Calorimetry
Bin Deng, Haiying Huang, Qiangguo Li
The ternary complex of Eu(Gly)2(Ala)3Cl3•2H2O(Gly = Glycine and Ala = Alanine) was synthesized and characterized by comparison of elementary analysis, chemical analysis, thermogravimetric analysis, and data with corresponding. The dissolution enthalpies of the EuCl3 •6H2O(s), 2Gly(s) + 3Ala(s) and Eu(Gly)2(Ala)3Cl3•2H2O(s)...
Proceedings Article
Determination of paeonol in huangliansu tablets by Capillary Electrophoresis
Haixing Liu, Quanhua Fan, Yinping Zhang, Lintong Wang, Likun Han
This design uses High Performance Capillary Electrophoresis (HPCE) to determine the Paeonol’s content in huangliansu tablets. Electrophoresis separation controlled conditions for uncoated fused silica capillary column (75 m×52 /60cm) injection height 7.5cm, and using a concentration of 40 mmol/L borax...
Proceedings Article
Determination of Paeonol in Cynanchum paniculatum by high Performance Capillary Electrophoresis
Haixing Liu, Xiaodong Jiang, Xia Wang, Lintong Wang, Yunchen Zhang
This design uses High Performance Capillary Electrophoresis (HPCE) to determine the Paeonol’s content in Cynanchum paniculatum. Electrophoresis separation controlled conditions for uncoated fused silica capillary column (75 m×52 /60cm) injection height 7.5cm, and using a concentration of 40mmol/L borax...
Proceedings Article
Study on the Fermentation Conditions of the Microbial Oils
Ying Xie, Chenyu Wu, Shuang Liu, Yanshuang Wu, Zhen Zhang
T-5 strains of Mortierella were screened from soil sample, which had a high lipid contents. Through the orthogonal experiment, the optimization conditions of lipid were that temperature was 28°C, pH was 6.0, glucose concentration was 100g/L and inorganic nitrogen source concentration was 1g/L. The results...
Proceedings Article
Research of Fluent Numerical Simulation on fluidized SO2 Photocatalytic Reactors
Shuqin Wang, Bo Bi, Chao Li
The fluidization condition in the SO2 photocatalytic reactor was optimizated by simulating the aspects of raw materials’ physical properties (particle size, density) and operating conditions(packing height, inlet gas velocity). The results indicated that particle size and inlet gas velocity had a remarkable...
Proceedings Article
Isolation and Structure Analysis of a SH3 Domain Protein from Monascus purpureus
Haoming Li, Lan Gao
SH3 (Src homology 3) domain is a small modules units (~60 amino acids) that are important for the generation of protein-protein interactions in cellular signal transduction pathways. SH3 domains commonly bind to proline-rich sequences. Here, we explore the SH3 domain proteins in Monascus purpureus. A...
Proceedings Article
Molecular Cloning and Structure Analysis Of MpYop1, a Membrane Protein in Monascus purpureus
Haoming Li, Lan Gao
In all eukaryotes, the peripheral endoplasmic reticulum (ER) branches out of the nuclear envelope as a membrane network of interconnected tubules and membrane sheets with a single lumen. In yeast, Rtn1p and Yop1p are major, redundant components required to maintain the tubular ER under normal circumstances....
Proceedings Article
Protective Effect of Natural Flavonoid Quercetin Against Exercise-induced Oxidative Damage in Experimental Rat Model
Weiqiang Zhang
This study was conducted to investigate the effect of natural flavonoid quercetin on exercise-induced oxidative damage. Twenty-eight rats were randomly divided into four groups, a control and three quercetin administered groups (20, 40 and 60 mg/kg). Quercetin was orally administered to rats once a day...
Proceedings Article
Determination of paeonol in yanyan tablets by Capillary Electrophoresis
Haixing Liu, Xiaoping Zhang, Yunchen Zhang, Lintong Wang, Huiqin Wang
This design uses High Performance Capillary Electrophoresis (HPCE) to determine the Paeonol’s content in yanyan tablets. Electrophoresis separation controlled conditions for uncoated fused silica capillary column (75 m×52 /60cm) injection height 7.5cm, and using a concentration of 40mmol/L borax solution...
Proceedings Article
Determination of Paeonol in Mingmu Dihuang Pill by Capillary Electrophoresis
Haixing Liu, Tingting Huang, Lintong Wang, Yinping Zhang, Xia Wang
The High Performance Capillary Electrophoresis (HPCE) method was established for thr determination the paeonol content in Mingmu Dihuang pill. 40mmol/L borax solution buffer was used for the electrophoresis analysis. Measured paeonol content in Mingmu Dihuang pill was 1.698 mg/g (RSD=10.8%) (n = 4).
Proceedings Article
The Influence of Feed Particle Size on Pyrolysis Characteristics of Lignite
Xiaonan Zhao, Erqiang Su, Qicheng Wang, Daohong Wu
The influence of feed particle size on the pyrolysis products, pyrolysis time, pyrolysis energy consumption and the percentage of dust content in volatile product was investigated in the fixed bed reactor. The results showed that with feed particle size increase, pyrolysis time and the percentage of...
Proceedings Article
Effect of Propionic to Acetic Acid Ratio on Denitrifying Phosphorus Removal and Nitrous Oxide Production
Yajing Li, Liping Sun, Shuping Zheng
In this paper, four lab-scale sequencing batch reactors (SBRs) operated with anaerobic/anoxic configuration were long-term cultured, respectively with different ratios of propionic to acetic acid as carbon sources. Effects of propionic to acetic acid ratio on polyhydroxyalkanoates (PHA) formation, denitrifying...
Proceedings Article
Research on 6-Carboxyl Chitin Promotes the Role of Cytokine Secretion
Hui Fang, Xinlei Fang, Ran Xu, Jianhong Yang, Weiwei Ni, Yan Yang
By enzyme-linked immunosorbent ELISA experiments, Determination of human skin fibroblasts (HSF) and macrophages (white blood cells by monocytes in THP 1) induced by PDGF after 6-carboxyl chitin stimulation, TGF-beta, and the expression of bFGF. The results showed that 6-carboxyl chitin can promote the...
Proceedings Article
Simulation of N-Butanol/Diesel Combustion and Emissions on Start of Injection
Jian Wu, Weiwei Shang, Bin Xu, Yibin Liu, Zhancheng Wang
This paper mainly studies the effected of fuel injection time on combustion and emissions of the four kinds of different proportions of N-butanol alcohol and diesel fuel mixed without changing the injection duration and mass under the software of FIRE. It provides the theory basis for the further development...
Proceedings Article
UV Protection and Antibacterial Properties of Knitted Poly(Lactic Acid) Fabric Coated with Nano-ZnO
Jianyi Huang, Kaiqiang Liu, Jinping Guan, Rencheng Tang
Nano-ZnO was successfully synthesized by a sol-gel method with an average size of 26.1 nm. The nano-ZnO was applied to coat the knitted poly(lactic acid) (PLA) fabric with or without further coating using a polyacrylate binder, and the UV protection ability and antibacterial activity of the coated fabric...
Proceedings Article
Characterization of a Cellulose and Xylose Utilization Bacillus cereus Yc-A1
Ying Zhang, Shuang Zhu, Jing Yang, Chunyan He, Lin Zhou
Bioconversion of cellulose and xylose is critical for the economically utilization of lignocellulose resources. Cellulose and xylose utilized strain Bacillus cereus Yc-A1 with highly ethanol endurance ability was present. The strain Yc-A1 was identified according to the physiological and phylogenetic...
Proceedings Article
GC--MS analysis of Japanese Banana Flower without pollen and Pollen
Yuqing Liang, Yuanmin Wang, Liubo Yang, Hongmei Wu, Xiangpei Wang
The Japanese banana flower and pollen were analyzed by gas chromatography-mass spectrometry (GC-MS) technique, coupled with head-space solid micro-extraction (HS-SPME). The relative percentage of compounds were measured by retention index and peak area normalization method. A total of 48 volatiles were...
Proceedings Article
Simulation of Energy-Range Relation for Protons Impacting on N-4 Nuclear Emulsion
Weiping Wen, Guangwu Li
Therelationship between the energy of a high-speed proton when impacting onthe N-4 nuclear emulsion plane perpendicularlyand its range in the emulsion was investigated using classical SRIMMonte Carlo programand curve fitting method. A definite analytic expression was derived from this simulation with...
Proceedings Article
The Topogical Model of the Chromatographic Retention Index of Nitrogen-Containing Polycyclic Aromatic Hydrocarbons
Yan Chen, Changjun Feng, Xiaotao Ding
Based on the topological theory and MATLAB program, molecular connectivity index (Xi), molecular shape index (Ki), electrotopological state index (Ei) and electro-negativity distance vector (Mi) were calculated for 117 nitrogen-containing polycyclic aromatic hydrocarbons. A eight-element regression model...
Proceedings Article
Influence of Al3+ Addition on the Flocculation and Sedimentation of Thermophilic Activated Sludge
Xue Zhang, Yue Wen, Asheng Cao
In this study, the flocculation and sedimentation performance of thermophilic activated sludge with single and multiple dosing of trivalent aluminum (Al3+) were studied. The thermophilic activated sludge samples were cultivated in sequencing batch reactors at 55 °C. The dosages of Al3+ were 0.125, 0.5,...
Proceedings Article
Solvent Effects on the Formation of Polyaniline Nanofibers in Dilute Polymerization System
Banglei Liang, Jianyun Zhao, Tao Li, Zongyi Qin
Polyaniline (PANI) nanofibers were prepared in dilute polymerization system in the presence of organic solvents including acetone and ethanol. The as-prepared PANI nanofibers were characterized by field emission scanning electron microscopy, ultraviolet-visible absorption spectroscopy, Fourier transform...
Proceedings Article
Preparation and Capacitive Properties of Polyaniline/Nanocellulose Composites with Core-Shell Structure
Yi Zhou, Qinghua Song, Banglei Liang, Zongyi Qin
Polyaniline (PANI) was prepared through in-situ chemical oxidative polymerization of aniline monomers in the presence of nanocelluloses. The as-prepared nanocomposite was characterized by scanning electron microscopy, Fourier transform infrared spectrometry, X-ray diffraction analysis and electrochemical...
Proceedings Article
Electrospun Cellulose Acetate Nanofibrous Mat as the Tissue Scaffold
Miao Cheng, Yunfeng Qin, Pengfei Qian, Zongyi Qin
The cellulose acetate (CA) nanofibrous mat was fabricated by electrospinning under optimized spinning conditions in this work. The morphology, chemical structure, thermal stability and hydrophilic property of as-prepared CA nanofibrous mat were characterized by scanning electron microscopy, Fourier transform...
Proceedings Article
The Influence of Environment on the Hydrous Ferric Oxide Composite Resin Adsorption of -Naphthalene Sulfonic Acid
Fenggang Li, Peng Yan, Caixia Ju, Ningning Li, Yanan Li, Yu Zhang, Fengbin Zheng, Changhai Li
A new type of macroporous weakly basic anion exchange resin (HFO D301R) was used to adsorption of naphthalene sulfonic acid in different environments. The effects of temperature, salt concentration and pH value of the solution on HFO- naphthalene sulfonic acid resin adsorption effect were studied The...
Proceedings Article
Rare Earth Elements Geochemistry of Ceramics Excavated from Tongguanyao Site, China
Longjiang Mao, Jijing Du, Duowen Mo, Jinghong Yang, Haibin Gu
Rare earth element (REE) compositions in ceramics from the Tongguanyao site (TGY) of China were determined by the inductively coupled plasma-mass spectrometry (ICP-MS) to compare their sources. Total REE concentrations of 14 samples range from 120.9 to 453 g•g-1, with an average value of 228.5 g•g-1....
Proceedings Article
Experimental Study of Phenol as Biomass Tar Model Compound Gasification for Hydrogen
Danyang Zhang, Zhiguo Tang, Qingqing Liu
Phenol,as one of the main constituents of biomass tar, was used to gasify for hydrogen in this paper. It was studied that the influences of the reaction temperature, steam / biomass (S / B), load and the preparationof the catalyst on the hydrogen yield, gasification efficiency and hydrogen concentration....
Proceedings Article
Extraction and Antioxidant Activity of Flavones from Salvia miltiorrhiza
Guangtao Jia
Objective: Salvia miltiorrhiza is a traditional Chinese herb medicine and is widely used in clinic application. This study is intended to extract flavones from Salvia miltiorrhiza by ultrasonic method in order to evaluate its antioxidation activity. 2. Methods: (1) Spectrophotometry is used to determine...
Proceedings Article
Determination of Chlorobenzenes and Nitrobenzoates in Wastewater by Dispersive Liquid-Liquid Microextraction Coupled to Capillary Gas Chromatography
Jianqi Sun
A fast, eco-friendly and reliable method combining dispersive liquid-liquid microextracion (DLLME) with capillary gas chromatography (GC) was developed for the simultaneous determination of p-dichlorobenzene (p-DCB), o-dichlorobenzene (o-DCB), nitrobenze (NB), 1,2,4-trichlorobenzene (TCB), and 3-nitrotoluene...
Proceedings Article
Synthetic Study towards (-)-Allosedridine
Feifei Huang, Zhibin Zhang, Shuangjie Lin, Shuangping Huang, Xiaoji Wang
The synthesis of (R)-3-((4-methoxybenzyl)oxy)butanal, which is an intermediate of (-)-Allosedridine, a 2-substituted piperidine alkaloid, was described, The route started from (R)-methyl 3-hydroxybutanoate via a PMB protection, a LiAlH4 reduction and a Swern oxidation.
Proceedings Article
Synthetic Study towards (±)-Cyanolide A: Synthesis of the Intermediate of (±)-2-(6-ethyl-2-(4-methoxyphenyl)-1, 3-dioxan-4-yl) Acetaldehyde
Xiao Leng, Shuangjie Lin, Zhibin Zhang, Liping Wang, Xiaoji Wang, Shuangping Huang
Synthesis of (±)-2-(6-ethyl-2-(4-methoxyphenyl)-1, 3-dioxan-4-yl) acetaldehyde, an important intermediate of (±)-Cyanolide A (1), was described, which was commenced from commercially available methyl acetoacetate.
Proceedings Article
Synthetic Study towards (±)-Vertine and (±)-Lythrine
Shuangjie Lin, Xiao Leng, Zhibin Zhang, Feifei Huang, Shuangping Huang, Xiaoji Wang
A synthetic design of (±)vertine and (±)-lythrine was described, and the intermediate, N-protected 2-methoxypiperidine, was synthesized, which contains a protection, reduction and etherification
Proceedings Article
Synthetic Study towards Entecavir
Shuangjie Lin, Feifei Huang, Shenkun Yang, Shuangping Huang, Xiaoji Wang
A synthetic design of Entecavir was described, and the intermediate, (S)-N-methoxy -3-((4-methoxybenzyl)oxy)-N-methylpent-4-enamide, was synthesized using acrylaldehyde as the starting material, which was obtained via an Evans Aldol reaction, Weinreb amide formation, and a PMB protection.
Proceedings Article
Determination of Plasma Protein Binding by Microdialysis Coupled with Online Capillary Electrophoresis Electrochemiluminescence
Qian Xiang, Xiaodong Yang, Ying Gao
An ultrasonic microdialysis coupled with online capillary electrophoresis electrochemiluminescence method has been established for the sensitive determination of plasma protein binding. The drug and blood plasma were mixed in different molar ratios and incubated at 37 °C in 10 mmol/L phosphate buffer...
Proceedings Article
Mg-Doped CdTeO3 Quantum Dot Sensitized Solar Cells
Yuanyuan Li, Xiaoping Zou, Chuan Zhao
To study the influence of doping on p-type solar cells, we use the p-type NiO/CdTeO3 structure to fabricate Mg-doped CdTeO3 quantum dot-sensitized solar cells (QDSSCs), by doping CdTeO3-sensitized NiO photocathode with dopant element Mg. When the doping ratio of Mg is 1:30 and the successive ionic layer...
Proceedings Article
The Effect and Mechanism of Apoptosis on Hela Cells induced by Artesunate
Guoquan Wang, Xu Chao, Sha Li, Jin Yan, Zongmiao Hu, Chenguang Liang, Linzhong Yu, Enhu Zhang
Cytotoxic activity of Artesunate(ART) was determined by MTT assay at various concentrations ranging from 0 to 100 mol/L on Hela cells. The apoptosis effect of Hela cells treated with ART was observed by a phase contrast microscope. The Apoptosis and its mechanism induced by ART were also studied by real-time...