To observe the effect of Schisandra Chinensis Baill distilled by ethanol on brain organization in aged mice model induced by D-galactose. Method: Injecting 5% D-galactose saline solution in neck back to the subcutaneous of mice to make the laneuria mice model for 40 days. From the 11th day,respectively...

Vapor-liquid equilibrium (VLE) data of hexamethyl disiloxane (HMDSO, 1) + butyl acetate (BAC, 2), HMDSO + isobutyl acetate (IBAC, 3) systems were measured by using the double circulating VLE still at 101.3kPa. The thermodynamic consistencies of the VLE data were examined by the Herrington method. Experimental...

The pollution of textile dyeing wastewater is of highly concern for its notorious biotoxicity, especially the genotoxicity, which can cause DNA damage and chromosome aberration to aquatic flora and fauna. In this study, a lab-scale reactor system was constructed to study the change of genotoxicity during...

In order to expand the Rouse equation to more widely, statistical methods will be combined with the linear form of Rouse equation. Sediment concentration will be taken as a "random variable", while some parameters are selected as variables. Multiple linear regressions will be used for determining the...

To realize effectively compression of digital speech, a kind of speech framing compression algorithm based on K-L transform is put forward. Covariance matrix is constructed by speech frame vectors; orthogonal matrix corresponding to frame is got by decomposing eigenvalues of covariance matrix; the transform...

The substation equipment status monitoring system as an important means to ensure the safe operation of the electrical equipment as well as to enhance the level of production and operation management of substation equipment and which has become s hot spot for Smart grid researching. In this paper, Through...

Internal combustion engines are applied in modern industry widely and consume a lot of energy at the same time. As the energy crisis and environment problem become serious, finding alternative energy and improving the efficiency of engines have been focused by the world. The gas fuel engine has been...

This paper studied the construction of aviation engineering quality safety supervision and management system and perfect, the characteristics of the aviation maintenance quality safety supervision work was summarized in this paper, the status quo of safety supervision and the problems were enumerated,...

The introduction of crew resource management idea to optimize the aviation system resources to UAV system, improve the overall ability, and ultimately achieve rapid, accurate, efficient objective. Based on researching the connotation on crew resource management, puts forward the concept of UAV system...

In this paper, aimed to utilize engine cooling waste heat completely, thus promoting engine fuel economy significantly, organic Rankine cycle (ORC) system is proposed and investigated in detail. Considering environmental impact, four promising hydrocarbons, namely butane, isobutane, pentane and isopentane...

The oxidation rate of magnesium sulfite is important for the application of wet magnesia desulfurization, which is suitable for the industrial boilers in china. In this work, the oxidation rate of magnesium sulfite without addition in homogeneous condition is studied, magnesium sulfite was oxidated in...

In this paper, the point estimate method (including the general expectation estimation method and estimation of population variance method) interval and parameter estimation method for the reliability of auto parts for data analysis. Results show that the total expected estimation method is simple, but...

Background: In order to establish a scientific and reasonable intercropping pattern of Taxus chinensis var.mairei, allelopathic effects of the aqueous extracts from Taxus chinensis var.mairei on seed germination and seedling growth of rape (Brassica campestris L.), radish(Raphanus sativus L), soybean...

To evaluate the allelopathic potential of Hyptis rhomboide Mart. et Gal (native to tropical America ), the effects of aqueous extracts (0.0125, 0.025, 0.05, 0.1 g/mL ) prepared from stalks and leaves of H. rhomboide were studied on the seed germination and seedling growth of four crops (Brassica campestris,...

This report is about using the similarity of drugs or genes to predict possible interaction between drug and gene. I use SVM and NRWRH in different condition. And then analyze the advantage and disadvantage of them, respective. I also propose some factors which can impact those results.

Computer aided diagnosis method have been more and more widely used in biomedical area. A novel cell particle extraction method based on smooth filtering and mathematical morphology is proposed to detect particles such as white and red blood cells in blood smear images with serious background noise,...

To explore the effect of Radix Ranunculi Ternate Polysaccharide (RRTP) on immunological function in normal mice. Methods: The effects of high, medium and low dosage of RRTP were investigated in normal mice by detecting the macrophage percentage, phagocytosis index, formation of hemolysis and hemolytic...

This paper introduces a design method of implant - bone healing device. Methods The cathodic of the device contacts to the surface of the dental implant with metal retaining bolts on it, and provides electrical stimulation through the cathode and anode, respectively, to a dental implant and other parts...

Computer aided diagnosis method have been more and more widely used in biomedical area. A novel particle matching scheme is presented to quantitatively analyze the irregular level of biomedical particle images in relationship with the predetermined standard image. The specific cumulative matching distance...

Epstein-Barr virus nuclear antigen 1 (EBNA1) is essential for EBV episome’s replication and mitotic segregation. During this process, EBNA1 may interact with a lot of host factors. Bimolecular complementation (BiMC) assay is a useful tool for a detection of protein-protein interaction in living cells....

To obtain recombinant Epstein-Barr virus (EBV) particles with the neomycin resistance from BAC-EBV with hygrymicin (hyg) gene, homologous recombination was employed for altering the original hyg gene to neo resistance gene in the BAC-EBV genome. The kanamycin marker gene (kan) containing the recombinant...

By observing the responses of participants to exposure to moxa smoke, the safety of clinical application of moxibustion was assessed. Methods: Individuals who had been exposed to moxa smoke for over one month and met the inclusion criteria filled out a questionnaire survey administered by multiple professionals...

The preparation technology of enzymatic peptides of Corbicula Fluminea was studied in this paper. Alcalase, Papain, Neutrase and Protamex were used under their own optimum pH value and temperature, with the same other parameters. The results indicated that Alcalase had the highest degree of hydrolysis...

To investigate the effect and mechanism of curcumin in diabetes mellitus mice. Methods Diabetic models were induced by a single vena caudalis injection of streptozotocin(STZ)into mice at a dose of 50mg•kg-1 body weight and was randomly divided into five groups:untreated diabetes group,diabetes group...

The genuine traditional Chinese medicine as a synonym for quality medicine, it has a long history in China, it has important applications in the aspects of disease prevention and treatment of traditional Chinese medicine. This paper from the growth conditions of genuine traditional Chinese medicine,...

Under the calling of the Chinese dream, the national culture fever is prevailing on the land of China wave upon wave. Chinese culture is no longer just a name in academic research field, or a code word for a subject, but the cultural gospel and cultural practice of an epoch, as well as great actions...

Novel nitro-benzothiadiazine 1,1-dioxide derivatives were synthesized and tested for their inhibitory activity against aldose reductase. Of them, 5-nitro and 8-nitro bearing ones displayed significant activity in IC50 values of 4.6 and 13.45µM. Their docking behaviors were also studied.

In order to investigate the effects of different nitrogen fertilizer on soil environment and soil fertility in sunlight greenhouse, four different types of fertilizer was used in the same amount of nitrogen. The results showed that: (1) soil soluble salt content, EC value, and pH all increased with the...

In order to obtain new emitting materials with an improved thermal stability and the luminescence efficiency, we designed a new type of cyclic phosphazene based blue light-emitting dendrimers, in which the rigid spherical cyclic phosphazene core is chemically bonded with the anthracene branches. Three...

Two novel (1,2-benzothiazin-4-yl)acetic acid enantiomers were prepared by chiral resolution, and their enantiomeric purity was tested by chiral HPLC. The biological evaluation of the racemate and the single enantiomers showed that the isomer (R)-(-)-4 was the most active with an IC50 value of 0.120µM,...

Both 1,2,3-triazoles and nucleosides have proved to be useful pharmacophores for antiviral and anticancer agents. A series of novel 1,2,3-triazole nucleoside analogues were designed and synthesized in order to find new antiviral or antitumor compounds.

A copper catalyst system for the asymmetric hydrogenation of the , -unsaturated esters class was developed by which synthesis of enantiomer of 1,2-benzothiazine-1,1-dioxide acetates has been achieved with a good yield and an excellent level of enantioselectivity (up to 94% ee).

Using the previously reported novel quinoxaline scaffold, we synthesised the precursor compounds 1-12. According to the synthetic methodology, we described the discovery of a novel selective demethylation of quinoxaline derivatives with AlCl3 and BBr3, proposed a high selectivity demethylation approach....

Wheat straw lignin was extracted in 1, 4-butanediol medium catalyzed by NaOH for the first time. Reaction time, temperature, dosage of NaOH and 1, 4-butanediol, as well as volume percentage of 1,4-butanediol medium were optimized to improve lignin recovery in the experiment. As a result, lignin yield...

Poly (N-isopropylacrylamide) (PNIPAm) hydrogels have been proposed for application as promising biomaterials and stimuli-responsive materials in biomedical fields, but their poor mechanical properties limited their development. Here we report that the mechanical properties of PNIPAm-clay nanocomposite...

A series of 4,5-disubstituted triazole derivatives(5a--5d) were prepared starting from substituted aniline via aminolysis reaction, cyclisation, alkylation, deprotection. All the synthesized compounds were screened for cytotoxic activity against three human cancer cell lines such as MCF-7, Hela and A549....

The environment vibration effect under equipment vibration was studied. Based on the international standards, vibration evaluation indicator and allowable value was applied to the vibration quantitative evaluation. Combined with the engineering project, using R.M.S (Root-Mean-Square) and VDV (Vibration...

Nine kinds of environmental estrogens including -estradiol, estrone, mestranol, ethisterone, ethinyloestradiol, diethylstilbestrol, cortisone, estriol and hydrocortisone were determined using high performance liquid chromatography (HPLC). The determination conditions were optimized that ProntSIL 120-5-C18-ace-EPS...

With urban development and the increasing improvement of people’s living standards, amount of municipal solid waste generated in the city are constantly increasing, too. Municipal solid waste contains large amounts of harmful substances, which will cause serious influence on the urban environment and...

With continuing to increase in construction waste produced from urban and rural construction, how to effectively treat construction waste has become one of the important problems to be resolved in China’s city. This paper is to discuss the present situation and existing problems of construction waste...

Synthetic biology can be defined as a combinatorial approach where the basic elements, governing the operational functionality of a living cell, are placed together to generate life forms with novel characteristics and properties. One of the most exciting aspects of synthetic biology is the diversity...

In order to accurately detect single-phase resonant network grounding fault, puts forward a fault line selection method based on fault transient amplitude measurement. Through the analysis of fault feeder modulus transform, after occurrence of a fault and normal feeder, using wavelet modulus maxima characteristics...

The first three-dimensional potential energy surface (PES) of Si-H2 system is calculated by the coupled cluster singles-and-doubles with noniterative inclusion of connected triple [CCSD (T)] level of theory. The computations involve full counterpoise corrections and large basis sets including midbond...

In recent years, under pressures of the global energy crisis and climate change, shale gas(SG) was widely concerned as a relatively clean source of energy. One of the widely used technologies to exploit SG is hydraulic fracturing, which consumes a large amount of fresh water, pollutes water environment,...

The large amount of fine slime in the tailing often lead to low separation and recycling efficiency during the treatment of gold mine tailing. In order to solve the problem, a new type of multi-conical hydrocyclone is proposed as the desliming and separation equipment for a certain gold mine tailing...

To explore the effect of Jinfeicao paste for external application on rat sore models. Methods: Rat models of sores were established by staphylococcus aureus. To observe the symptom score, serum lysozyme content and pathological changes of rats with sores treated by low and high dose of Inula japonica...

To investigate the effect of external use of Sijiqing Decoction (SD) on rats with traumatic ulcer. Methods: With special injuries is at the right side of the spine punch traumatic ulcer model in rats, observe the high, medium and low dose of sijiqing decoction of traumatic ulcer area and ulcer of rats...

Through the site investigation, design a set of test apparatus used to study the cooling tower scale problem in HVDC valve cooling system, integrating the scale of more mature process on this device, through on-site validation test method to inspect the scale inhibition effect on the cooling tower in...

By the method of field test, from the heating power, abandoned water, temperature of circulating water, flow of spray water altogether four aspects, to study the causes of scaling in cooling tower, and through the way of crosscheck in water quality analysis and scaling test, to find out the trend and...

For the large Central Business District (CBD) building project portfolio, it is particularly important how to accurately analyze the project task needs. The entropy method was introduced to the traditional model of Quality Function Deployment (QFD), to process the ambiguity of the data caused by the...

In order to improve the heating rate of SMA in the field of active structural control and self-repairing, the main factors influencing heating rate are studied and three improved methods are put forward: (1) Winding electrified enameled wire with high resistivity around SMA, and electrify the enameled...

Based on the survey data of road network in west China, all kinds of cost and income were calculated during the evaluation period of the travel guidance system. The economic evaluation was rational by cost-benefit analysis, and the evaluation grade was first class by use of fuzzy AHP (analytic hierarchy...

This paper proposes risk evaluation system of metro project bidding based on factors which the environment and process of metro project bidding involved. Then the paper uses the entropy value method to determine the weights of the index and adopts Fuzzy to evaluate risk management level of metro project...

The noise pollution produced by the scraper conveyor affects the working environment seriously. Based on a certain type of the scraper conveyor transmission system as a research object, using the finite element analysis software ANSYS for modal analysis, the results suggested that the natural frequencies...

The central Fujian area features a variety of mountains and traffic block. It forms unique forest culture trait which is different from costal zones and other areas with convenient transportation. This article will explore further the external influencing factors via research in related background materials...

In this article, we discussed the dynamic development path of ecological building materials industry, suitable measures for keepings steady path, built integrated model using a patches prototype structure as part of it, optimal solution of model will be discussed and with real data obtained from statistical...