In this work, we report a method for the fabrication of nitrocellulose (NC) membrane with photonic crystal (PC) pattern for bio-detection. The membrane is prepared by imprinting the corresponding PC pattern into it through thermal Nano-imprint method. Aptamer beacon marked with fluorescein is used for...

Choose soybean oil as raw material, through transesterification, epoxidation reaction, synthesized a new epoxy plasticizer - epoxy low calorie oils(ELCO), which molecular weight is somewhere in between ESO and EFAME, so it should be an excellent plasticizer product. Through the testing of some performance...

As a new interdisciplinary, blood coagulation and thrombosis, being involved in the development and progression of many diseases, have a prominent clinical significance. Prothrombin time (PT time) is the time when calcium and tissue factor is added into the blood sample until when the blood sample completely...

Tea plant (Camellia sinensis) could accumulate fluorine (F) in leaves efficiently. Fresh tea leaves are always regarded as the culprit of excess F in Sichuan dark tea (SDT). The present study evaluated F level in different tea cultivars and young shoots to select the appropriate production raw materials....

The antler base protein hydrolyze solution was decolorized through activated carbon. Based on the decolorizing rate and loss rate of peptide, the influence of peptide pH, active carbon content, treatment temperature and reaction time on the decolorization of active carbon were studied. The best conditions...

The aim of this work was to optimize the distillation conditions for extracting cinnamomum cassia oil from cinnamomum cassia bark by steam distillation. The orthogonal test was conducted to investigate the effects of the three main factors on cinnamomum cassia oil yield, including the solid-liquid ratio,...

Laccases are increasingly used in food industry and their sources are mainly plants, bacteria and fungi. A research review on the production methods and the characteristics, as well as the applications in food industry of laccases derived from bacteria and fungi is given in the article. It also looks...

This study reviews the research on visual and motor, visual impairment and walking in China and abroad.The effects of vision on the dynamics of gait (peak pressure distribution, impulse and plantar contact area) and kinematics (step length, step frequency and step speed) were discussed.It is hoped that...

Ionic liquids (ILs) were used to modify macroporous resins (MARs) to purify chlorogenic acid (CGA) with Flos Lonicera Japonicae (FLJ) extract as raw material. By comparing the static adsorption and desorption effects of four MARS, the NKA-2 resin was determined as the best purification material. The...

The finite element software FLUENT is used to analyze the equivalent thermal conductivity and the thermal balance of composites reinforced by line, sinusoidal and pulse bending nanopaper during the heating process. The equivalent thermal conductivity does not change linearly with the increase of thermal...

This paper presents the determination of bergenin content of Sechangzhixiesan by high performance capillary electrophoresis (HPCE) method. The borax solution as buffer solution was chosen, and its concentration was 20 mmol/L at a constant voltage of 20kV and injecting time of 10s. Measured bergenin content...

This paper presents the determination of bergenin content of Pulmonaria officinalis by high performance capillary electrophoresis (HPCE) method. The borax solution as buffer solution was chosen, and its concentration was 20 mmol/L at a constant voltage of 20kV and injecting time of 10s. Linearity was...

An experiment was conducted to study the effect of different concentrations (20, 40, 60, 80, 100mg/kg) of gibberellin (GA3) on antioxidant enzymes of ‘Hongdeng’ sweet cherries. The results showed that POD, CAT and SOD activity decreased during the development of sweet cherry fruit;GA3 concentration of...

The effects of soaking seedlings of four abscisic acid (ABA) concentrations (0, 1, 5, 10, and 20 μmol/L) on the growth and cadmium (Cd) accumulation of pea seedlings were studied by the pot experiment. The results showed that, compared with the control, the roots, stems, leaves, and shoots biomasses...

The effects of soaking seedlings of four abscisic acid (ABA) concentrations (0, 1, 5, 10, and 20 μmol/L) on physiology and ecology of pea under cadmium stress were studied by the pot experiment. The results showed that the soaking treatment with ABA improved the morphological indexes of pea plants. The...

A pot experiment was conducted to study the effect of selenium at concentrations of 0, 5, 10, 25, 50, 75 and 100 mg/kg on the growth of Capsella bursa-pastoris. The biomass, photosynthetic pigment content and antioxidant enzyme activity were measured. The results showed that 5, 10, 10, 25 mg/kg selenium...

The glass lettuce was made as material, the effect of different concentrations (0, 50, 100, 150, 200 μmol·L-1) of exogenous melatonin on growth, antioxidant enzyme activity and osmotica of lettuce seedlings under salt stress was studied. The results showed that the root length, stem diameter, and dry...

The glass lettuce was made as material, the effect of different concentrations (0, 50, 100, 150, 200 μmol·L-1) of exogenous melatonin on photosynthetic pigments and photosynthetic characteristics of lettuce seedlings under salt stress was studied. The results showed that when the concentration of melatonin...

A pot experiment was conducted to study the selenium accumulation characteristics of tomato seedlings under different concentrations of selenium. Four treatments were used in the experiment: soil was constructed by adding 0, 5, 10, 25 mg/kg exogenous selenium. The fresh weight and selenium contents in...

A pot experiment was conducted to study the effects of soil application of selenium on the growth and selenium accumulation of different tomato varieties. The results showed that there were differences in the biomass, selenium content and selenium accumulation amount of tomato varieties. The biomass,...

A pot experiment was conducted to study the effects of different concentrations of selenium (Se) on the antioxidant enzyme activity of Perilla frutescens. The results showed that Se treatment had significant effect on activities of SOD, POD, CAT and soluble protein content. With Se concentrations increased,...

The bioavailability of cadmium (Cd) is closely related to its presence in soil, in the experiment, grape was intercropped with four Bidens species (Bidens bipinnata, Bidens pilosa, Bidens parviflora and Bidens biternata) to study the effects of grape seedlings intercropping with Bidens species on the...

The total amount of cadmium (Cd) in soil reflects the degree of pollution of the soil, but the bioavailability of Cd is mainly reflected by various fractions of it. In the experiment, four floricultural accumulator plants (Helianthus annuus, Cosmos sulphureus, Cosmos bipinnata and Impatiens balsamina)...

The pot experiment was conducted to study the effects of intercropping with positive and negative grafting generations of two ecotypes (farmland and mining) of cadmium (Cd) hyperaccumulator plants Galinsoga parviflora on photosynthesis of lettuce. The positive grafting: the rootstock was mining ecotype...

The pot experiment was conducted to study the effects of lettuce intercropping with positive and negative grafting generations of two ecotypes (farmland and mining) of cadmium (Cd) hyperaccumulator plant Galinsoga parviflora on soil enzymes activity. The positive grafting: the rootstock was mining ecotype...

A pot experiment was carried out to study the effects of mulching with four accumulator plants straws (Trifolium repens, Eclipta prostrate, Conyza canadensis, Stellaria media) on the total phosphorus and total potassium content in Cyphomandra betacea seedlings under cadmium stress. The results showed...

A pot experiment was carried out to study effects of planting Cyphomandra betacea seedlings after mulching with four tolerant plants straws (Digitaria sanguinalis, Clinopodium confine, Plantago asiatica and Ranunculus sieboldii) on soil nutrients under cadmium stress. The results showed that all tolerant...

The effects of intercropping with two ecotypes of Galinsoga parviflora and their post-grafting generations on nutrient uptake of Lactuca sativa were investigated through pot experiment under the cadmium stress. The results showed that intercropping with post-grafting generation of G. parviflora of farmland...

The effects of intercropping with two ecotypes of Galinsoga parviflora and their post-grafting generations on quality of Lactuca sativa were investigated through pot experiment under the cadmium stress. The results showed that the intercropping treatment had no significant effect on soluble sugar content...

Kiwifruit seedlings of two cultivars 'Watt' and 'Hayward' were used as materials to compare their antioxidant enzyme activities under 100 mmol·L-1 NaCl stress. The results showed that under salt stress, and superoxide dismutase (SOD) activity in both cultivars leaves were all showed an upward trend;...

Two cultivars kiwifruit seedlings 'Watt' and 'Hayward' were used as materials to compare their physiological response to 100 mmol·L-1 NaCl stress. The results showed that under salt stress, the chlorophyll content, relative electrical conductivity and malonaldehyde (MDA) content in both cultivars leaves...

The fruit of kiwi is rich in nutrients and is deeply loved by people. However, the storage period is not long, and the shelf period is short and easy to be soft. In this experiment, the effects of ascorbic acid on the post-harvest storage of kiwifruit were studied by measuring the quality of the fruit...

The fruit of kiwi is rich in nutrients and is deeply loved by people. However, the storage period is not long, and the shelf period is short and easy to be soft. In this experiment, the effects of ascorbic acid on the post-harvest storage of kiwifruit were studied by measuring the quality of the fruit...

Road Reconstruction Project of Taishan Road (Zhaoshang Avenue-Zhujiang Road) in China Merchants Zhangzhou Economic and Technological Development Zone has the characteristics of the dense residents, large pedestrian volume, lots of intersections, many underground pipelines, and small construction working...

Based on the Hypermesh software, the finite element modal analysis and harmonic response analysis of the truck crane boom are carried out. Through the modal analysis, the natural frequencies and modes of the first ten stages of the boom were obtained, so as to understand the effect of different frequency...

In the current era of big data era, the rapid integration of information and data has been realized in the development of mobile Internet technology. The potential for mobile communications has also been tapped. With the increasing popularization and expansion of mobile terminal technologies, there are...

The stability of permafrost subgrade is an important guarantee for the safe operation of vehicles in permafrost regions. The main factors that affect the stability of roadbed are the change of temperature field of subgrade, surface water on both sides of subgrade and groundwater (frozen water, frozen...

This document is based on the gravel test subgrade paved at the K3012 of the Qinghai-Tibet Highway near the Wudaoliang section, a large finite element software Abaqus is used to simulate the temperature field of gravel subgrade, and the influence of the particle size temperature field is obtained. The...

In order to understand the rule of water, temperature and deformation in the process of frost heaving and thawing settlement, carry out the soil column model experiment, record the change of temperature, moisture and deformation during the experiment, draw the line chart and analyze the process of soil...

Natural sand plays a unique role in the mix proportion of road cement concrete, however, the stock of natural sand in our country is very limited. In order to find the material that can replace the natural sand without affecting the performance of the concrete, the paper compares the physical properties...

In order to research the microscopic variations of weathered phyllite fillers in the bearing plate experiment, the spheroids of intergranular interaction model and the particle flow theory of discrete element method were adopted to simulate soil particles in this paper. Calculation model of weathered...

In order to study the adaptability of reasonable pavement structure in permafrost regions, the first-stage construction of Gonghe-Yushu highway from K629 + 800 ~ K634 + 200 is taken as test section, and establishes the numerical simulation model of subgrade and pavement by using Flac3D software. Compares...

The Loose slope composed of soils and rocks, and its internal structure is complex. The stability of the Loose slope is related to the water, load, slope shape and soil parameters. The soil parameter determines the engineering properties of the slope itself. Based on existing research results, respectively...

A damage location method based on the changes in curvatures was developed for curved structural member. First, the curves of intact and damage members were fitted using least square method. Then, the curvatures of intact and damage members were calculated by the fitted curves. Finally, the damage was...

Considering the multi-state and uncertainty of causality in complex systems, a method for reliability modeling and assessment of a multi-state system based on Bayesian Network (BN) is proposed by using the advantage of uncertainty reasoning and multi-state expression of BN. The proposed method is able...

Regarding to the limitations of several existing coal mine Measurement-While-Drilling (MWD) data transmission modes in practical application, this paper aims to achieve the application of the acoustic wave transmission technology in coal mine MWD system by using propagation characteristics of the acoustic...

With the development of economic, the construction of offshore artificial island is more and more developed. As one of the common cofferdams, the gravity cofferdam has been widely used in the wharf and breakwater engineering. The deformation is analyzed using finite element method and the results show...

The soil structure, which influence the mechanical response of soil greatly, generally exists in the natural soil. During the bore drilling, transportation and soil sampling the soil sample is more or less disturbed and the compression curve changes. According to the extent of disturbance the soil sample...

A point ordering system composed of wireless digital transmission chip and single chip microcomputer is introduced in this paper. The hardware circuit and software of the system are designed. The principle of control transmission of RNF2401 in the ShockBurstTM transfer mode via single chip microcomputer...

A CAN bus based data acquisition system design method is described in this article. Based on the theory of data acquisition and monitoring system, a high-performance, high-reliability, real-time CAN field bus is adopted, a high-performance, low-power Cortex-M3 microcontroller is used as the control core,...

The batting point of badminton plays a very important role in the whole badminton match. At the same time, the accuracy of the batting point is also the core content of the badminton course in colleges and universities. Based on the single closed loop badminton serve control method, the batting point...

Along with the development of science and technology, in the questionnaire service industry,began to gradually develop the Internet.More and more enterprises are inclined to make the decision of the company through online questionnaire survey service platform.The system uses JSP, MVC framework, MySQL...

In this paper, a kind of green scale inhibitor for circulating cooling water for thermal power plants was studied. The optimum synthesis conditions were determined through experiments. The scale inhibition performance of green scale inhibitors was tested with the actual water of a power plant. Determining...

The paper has a discussion of forward problem and inverse problem for beams in strength of materials. Given loading condition can certainly determine its shearing force diagram and bending moment diagram, but conversely, there may be a variety of statically determinate or statically indeterminate constraint...

The RFID reader-writer has designed based on DSP in the paper, the reader-writer is mainly composed of reception and launch antenna module, DSP control module, receiver module, A/D conversion module, the digital baseband processing module, D/A conversion module, transmitter module, the first filter module,...

This paper introduces the characteristics of common source of the satellite signal detection module. At present, the satellite signal detection module usually detects satellite beacon signals, which has high costs and weak anti-interference, and is not suitable for use in a variety of complex environments....

As a public resource, the self-repair room of university library is favored by its comfortable and quiet learning environment and convenient and convenient access to learning resources.However,there is a widespread phenomenon that library seats are occupied.In this paper, a kind of university library's...

With the progress of human society and the continuous development of science and technology, the research of computer vision in China has made continuous progress and achieved certain achievements. The image target feature extraction technology is a better performance in this field, which can extract...

Analysis of the environmental factors in the southeast coastal area influence the efficiency of electronic equipment, establish the key indicators of environmental adaptability. The grey correlation analysis method is introduced into the electronic equipment environmental worthiness evaluation, combined...

Tire envelop and impact characteristics have a great influence on the ride comfort of the vehicle. In this paper, the test results of the envelop and impact characteristics which are about in-and-out plane are analyzed to study the fluctuations on the load and velocity of the tire in the time of cleat....

An intelligent locking system for preventing drink driving is studied in this paper. This system is mainly determined by the alcohol sensor to detect whether the alcohol content exceeds the standard by the single-chip microcomputer control the ignition of the car can start. Because the system is installed...

A plan of ECG acquisition, analysis and processing system based on STM32 is proposed in the system, and its hardware and software design are completed. The core of the system is ECG acquisition circuit, which is to complete the signal extraction. The system is a typical biomedical signal collecting-...

Mainly the hardware design of the traffic monitoring system is researched in this paper. The whole design includes selection of the turbine flow sensor, MCU peripheral circuits and the process for the software design. The collected traffic data through the mathematical model are analyzed and calculated...

In this paper, a portable formaldehyde detector based on electrochemical sensor and single chip microcomputer is designed. During the detection, the gas containing formaldehyde diffuses into the sensor, reacts with the inner electrolyte and produces a weak current signal, which is converted into a voltage...

In the big data environment with the rapid development of the Internet, the dependence on information search is becoming stronger and stronger. At present, full text search based on keywords has been difficult to satisfy people's search needs. In this case, an information retrieval method based on knowledge...

In the rapid development of the Internet, in order to achieve the effective extraction of geographical names information, the study of location information extraction of web on the basis of the Chinese knowledge map CN-DBpedia is carried out. The Chinese geographical names are obtained from Wikipedia...

FLUENT was used to analyze how the shapes of nanopaper affect the temperature distribution, the changes of the temperature with time and the heating rate during heating. The obtained temperature distribution maps shows that high temperature region appear in the vicinity of the nanopaper. The curve of...

FLUENT was used to analyze how the bending cycles of nanopaper affects the temperature distribution of composites reinforced by pulse bending nanopaper with different bending cycles during heating process. The temperature distribution of the polymer composites reinforced by pulse bending nanopaper along...

In recent years, with the rise of artificial intelligence, great progress has been made in computer vision, speech recognition and natural language processing. In the rapid change of technology, the recommendation system has become an important part of many Internet applications. The development of nearly...

Nowadays, with the rapid development of Internet technology and application mode, the scale of Internet data is growing geometrically, and a large number of valuable knowledge are also in it. How to organize and express these knowledge and carry out in-depth calculation and analysis have aroused widespread...

Fire accident happens frequently with high density of population and large scale of production in cities and it will directly or indirectly cause incalculable loss. This paper evaluates the existing city fire fighting plan with historical fire alert call-out data, using the Baidu Map API to get the fire...

By the end of December 2017, China's high-speed railway (HSR) has a total mileage of 25 thousand km. However, providing reliable and stable wireless broadband access service for HSR passengers has been a major challenge in the communications industry. This paper proposes a HSR wireless broadband access...

In recent years, the high frequency millimeter-wave 5G has been widely studied in the communication industry. Unlike the traditional low frequency communication under 6 GHz, the millimeter-wave 5G wireless signal transmission has the characteristics of large path loss, easy to be affected by atmosphere...

The geographical scene of high speed railway(HSR) is complex and changeable. To provide continuous and stable wireless access for high speed rail passengers, it is necessary to analyze the transmission characteristics of wireless channel and establish the wireless channel model. In this paper, the HSR...

The millimeter-wave wireless signal transmission has the characteristics of large path loss, easy to be affected by atmosphere and rain, and poor diffraction ability. In order to build the millimeter-wave 5G mobile communication system, a large number of tests are needed to establish the millimeter-wave...

In the face of the growth of mass data business brought by mobile Internet and Internet of things, the fifth generation mobile communication system 5G arise at the historic moment. This paper selects five major 5G driving countries (China, Europe, Japan, South Korea and the United States) and the most...

The demand of mass data services brought by the mobile Internet and the Internet of things makes the traditional mobile communication spectrum resources become saturated. The high frequency millimeter-wave 5G is becoming the subject of extensive research in the industry. This paper selects the most representative...

FLUENT was used to analyze how the shapes of buckypaper and the thermal conductivity of the polymer matrix affects the temperature distribution of composites reinforced by the flat, sinusoidal and pulse bending buckypaper when the composite materials is heated. The larger the thermal conductivity of...

Due to unreliable and bandwidth-limited characteristics of communication link in networked control systems, a real-time compensated method for multi-output system is presented in this paper based on Compressed Sensing and sliding window, by which estimates of dropping data packets in feedback channel...

This paper presents a simulation model for flood warning and sluice dispatch in complex coastal plain water area. We propose an improved “semi-diurnal water production” Antecedent Precipitation Index (API) algorithm for computational modeling and simulation. By analyzing a large number of historical...

This paper presents an intelligent test system for automated testing of energy metering standard devices. The energy metering standard devices in this paper refers specifically to the low voltage current transformer. Under the same current ratio, the device has the same appearance size, connection mode...

This paper presents the application of Internet of Things(IoT) RF technology in automatic testing for energy metering devices. Taking the verification process of current transformers as an entry point, we analyzed the application background of RF technology in transformer asset management and automated...

This paper presents a metering low-voltage current transformer integrated test bench with manually wiring and stiching structure. Through the transformer integrated test bench, it can realize the appearance inspection, insulation resistance measurement, power frequency withstand voltage test, secondary...

This paper presents a mechatronic device that finely corrects the fastening position of test standards and applies it to the automated testing procedure of metering current transformer.In the automated test, there is a certain deviation between the measurement transformer size and the standard size,...

In order to meet the requirements of the new radar conditioning training, the development of a certain type of radar simulation training device is mainly to replace the radar's actual installation operation process with simulation operations, and to improve the students' operating ability. This simulator...

The software FLUENT was used to analysis the thermal balance of composites reinforced by different shape buckypaper during the heating process. The research shows that the electrothermal energy is mainly used to increase the temperature of the insulator and the heating plate itself at the initial stage...

With the rapid growth of global trade, more and more foreign trade processing companies, enterprises have put forward new requirements for technology and management, and logistics management and control integration has received more and more attention. This article through field research on the SX company's...

The twenty-ninth span 1# box girder of grand bridge on a Expressway in Yunnan, China，which is broken suddenly during the hoisting and transportation, resulting in the overturning of the beam and partial breakage. This paper focuses on the study of concrete appearance and concrete strength by CT technology....

TongGuan Section of Weihe River Watershed is a provincial section between Shaanxi Province and Henan Province, China. So it is taken as the research objective in this paper and NH3-N is chosen as the water quality parameter. According to the discharge characteristics of point source pollutions and non-point...

Linear Quadratic Gaussian optimal control which is namely LQG control algorithm, is superior to PI control algorithms in control performance, such as adjusting time and overshoot. In closed-loop system, LQG has good anti-interference ability and stability. In order to reduce the pointing error and tracking...

In this paper we provide a universal fixture design procedure of shipboard box-type equipments, the basic principle is to manufacture two sets of screw kits with angle iron devices, install L-type hook structures (or F-type structure) at both ends of the kits, then fix on the work platform according...

The plenum chamber, as an important part in the production process of lithium battery films, directly impacts the efficiency of hot air circulation and the temperature field uniformity in the thermal insulating room. Studies confirm the orifice plate configuration of the plenum chamber affects the heat...

In view of the problem of strong guide rod vibration and poor rust removal in the derusting process of the steel pipe inner wall rust-preventing guide rod of the coating production line , the structure of the guide rod was optimized and transformed. and the non-equal-section nesting structure was used...

The heat generation mechanism of lithium-ion power battery was analyzed. It was concluded that the battery heating was related to the temperature coefficient of electro motive force, the SOC of the battery, the resistance of the battery, the current ratio . Based on the experiment, the important characteristic...

In this paper, the structural design of the three-axis turntable mechanical platform of flight simulation is mainly carried out. The structure and driving mode of the simulation turntable are selected. By reading the literature, the selection of the frame material of the shaft and the selection of standard...

Nowadays, tumor imaging is widely used in biomedical field. However, the materials of imaging is rarely and strict. This study developed a method for preparing autofluorescent polyacrylamide nanoparticles (NPs). The polyacrylamide NPs were treated with glutaraldehyde, and then removed excess glutaraldehyde...

Polyacrylamide (PAA) is a reticular macromolecular compound, and the C=N bonds produced by the reaction with glutaraldehyde reveal intensive near-infrared fluorescence (NIRF). This paper studies the effect factors on the fluorescence intensity of PAA microspheres (beads), including the particle size...

Aircraft assembly tooling is developed according to the assembly requirements of aircraft, and frequent aircraft changes can cause assembly tooling tasks to change frequently. Due to the mutual relations between the tasks of assembly tooling, change in one task can be propagated to many other tasks....

Surface-enhanced Raman scattering (SERS) is widely used to provide chemical and physical information, causing widespread attention in many fields, such as biochemical and bioscience fields. To get high SERS signals, noble nanoparticles are applied in SERS detection. Hollow urchin-like gold nanoparticles...

This paper is introduced by a kind of agricultural greenhouse automatic winding system, according to the changes in light intensity and temperature change to adjust the greenhouses mesh opening, when the current is too large or motor block or send out alarm when turning, and then stop the motor work....