Purpose Observed and analyzed the curative effect of Shenqi two thistles Er Zhi decoction in the treatment of IgA nephropathy of qi-yin deficiency. Method Used 80 cases of IgA nephrosis patients treated in our hospital from January 2012 to January 2014 as the research object, divided into two groups,...

With time developing, tobacco vein spot disease is a very common and serious infectious disease in tobacco plants, and is one of the most serious diseases of tobacco in the world. Tobacco vein spot disease is becoming more and more epidemic outbreak around the world and has already attracted extensive...

Purpose: analyze the pathological features of pancreatic endocrine tumor and discuss the differential diagnosis of pancreatic endocrine tumor and pancreatic acinic cell carcinoma. Method: choose 10 patients of pancreatic endocrine tumor from the Chinese Medicine Hospital of Henan Province and the Tumor...

To observe the Forsen source herbal tea of reserpine in mice model of spleen deficiency of gastrointestinal effects. Mice were injected with reserpine injection to each mice by 0.1mg / kg in 17 days with continuous subcutaneous injection molding, mice dranking water solution respectively at the same...

Objective:To study effect of total flavonoids of Epimedium on climacteric depression model. Methods: In addition to the blank group, other rats climacteric models, total removal of the left ovary, the right ovary removed 80%. After the injection of penicillin to prevent infection, continuous injection...

The objective of this experiment is to investigate the effect of Maozhaocao polysaccharide on the thymus and spleen of Immunosuppressive Model Mice. Study the Immunosuppressive model of mice by using cyclophosphamide, for the large, medium and small dose of Maozhaocao polysaccharide, Mushrooms polysaccharide,...

This paper takes flavonoids the Mountain chrysanthemum leaves contained as the research object, using ultrasonic to extract total flavonoids and using response surface methodology to optimize flavonoids of mountain chrysanthemum leaves extraction process. The experiment use normal pressure silica gel...

Epimedium is a kind of traditional Chinese medicinal materials, which is regarded as, at present, the one of the most valuable medicinal plants in China. The chemical components of Barrenwort mainly contain flavonoids, phenol glycosides, chromones, phenylethanoid glycosides and steroids, which are verified...

Deproteinized calf blood extractive is a cellular respiration activator. Its main role is to enhance the cellular pharmacology of oxygen and glucose which is to be uptaked and utilization. It enhanced ATP synthesis and promote the delivery of nutrients to promote tissue repair and regeneration. The drug...

From the beginning of the last century, the sugar industry has been undergoing reform and advance. In the global economy, the traditional sugar industry chain has been unable to promote economic development, and this development is not based blindly on raise sugar content and sugar yield of sugarcane....

Immobilized microorganism technology is one technique of the effective biotechnology for wastewater treatment.It has the advantages of the seed culture of bacteria with high activity and stability the reaction easily controlled low amount of sludge produced and removal the organic matter and substances...

The mechanical properties and durability of concrete with or without ultrafine fly ash were studied by measuring the compressive strength and determining the chloride ion penetration and open porosity of concrete. The results show that the addition of ultrafine fly ash reduces the compressive strength...

Bioleaching experiment was carried out in 80L SBR reactor with sewage sludge collected from each treatment step of the wastewater treatment plant (WWTP) system, to investigate the transformation of heavy metals during bioleaching. The corresponding changes in pH, oxidation-reduction potential (ORP) and...

For effective use of conducting polymers, a hybrid film composed of poly (3,4-ethylenedioxythiophene) : poly (styrenesulfonate) (PEDOT:PSS) and poly (3,4-ethylenedioxythiophene) (PEDOT) has been fabricated by a in situ polymerization method. Each component in the hybrid film provides unique and crucial...

Acrylamide as functional monomer, N, N'- methylene-bis-acrylamide as crosslinking agent, prepared lysozyme (Lyz) molecularly imprinted polymer hydrogel and UV spectrophotometer Adsorption of polymers It was characterized. The results showed that polyacrylamide hydrogel successfully formed a lysozyme...

Organophosphorus pesticides (OPs) are some of the most prevalent pollutants in the total environment and receive more and more concerns as a group of ubiquitous potential persistent organic pollutants. Using the variable selection and modeling based on prediction (VSMP), the molecular electronegativity...

Three kinds of floating beds of aquatic plants floating bed with new types of fiber packing (A), aquatic plants floating bed with elastic packing (B), aquatic plants floating bed were established. The effect on the pollutant removal efficiency in wastewater from farmer household tourism at shiyan baierhe...

The influences of trace water on electrochemical performances for lithium ion batteries are investigated by adjusting the trace water in the electrolyte. Electrochemical performances and AC impedance spectra are tested after the first process of lithiation. Results indicate that the battery comprehensive...

The phase transition behavior of PBA films under CCl3 vapor at different temperatures was investigated by atomic force microscope (AFM). The height and phase images indicate CCl3 vapor will induce single crystals grow on the surface of PBA film. The vapor induced newly formed PBA single crystal could...

The mechanism of 4-(1-phenylvinyl)pyridine hydroformylation with HRh(CO)(PH3)3 as active catalyst has been proposed and discussed by B3LYP. Also, the regioselectivity and chemoselectivity are investigated by calculations and excellent agreement with the existing experimental results is displayed. It...

Cerium-rich rare earth oxides nanoparticles were extracted from bastnaesite concentrate by first leaching, alkali fusion with NaOH, and second leaching process. The effects of the hydrochloric acid concentration, mass ratio of solid to liquid, leaching temperature of the leaching process and the NaOH...

The test study, the use of re-election - flotation processes can be efficiently recover copper, tin, sulfur, comprehensive utilization of resources to achieve the purpose. From ore analysis, the mine oxidation rate, up 43.46%, is a copper oxide; active copper is high, reaching 20.03%; other metals iron,...

Steel corrosion in concrete is a process of electrochemistry. When chloride content at the steel surface exceeds the chloride threshold level (CTL), the steel begins to corrosion. The CTL is one of the key parameters needed for service life prediction of concrete structures. Based on the electrochemistry...

From Part 1, the experimental data of chloride threshold level (CTL) are obtained. With the experimental data, the mechanism of influence of temperature, pitting potential, w/c ratio and air-entraining agent on CTL are discussed in this paper. Lower temperature causes higher CTL by reduce the rate of...

The aim of this study was to evaluate the effect of biogas slurry inoculation on semi-dry anaerobic co-digestion of swine manure and rice straw, focusing on biogas production and kinetics. Biogas slurry from digested swine manure was applied as inoculum, and the effect was evaluated in batch reactors....

The coal pillar self-heating process of the 16# coal seam, which lays above the 18# coal seam that being mined in Dongrong 2# coal mining was examined. The cause of upper pillar spontaneous combustion during the mining of close distance coal seams was analysed. According to the distribution characteristics...

It is meaningful for evaluating carbon emission of battery packs of electric vehicles in their whole life cycle. In this paper, we give a new method to estimate carbon emission of battery packs in their life cycle. The method aims at evaluating carbon emission of different kinds of battery packs and...

Adsorption of Co(II) on synthesized chitosan-g-poly (acrylic acid) hydrogel was investigated, using batch adsorption technique under different experimental conditions of equilibrium pH, concentration of common competing ions, contact time and temperature. The Langmuir adsorption model fitted the experimental...

Controlled degradation of poly-hydroxybutyrate (PHB) can be obtained by alcoholysis with two types of alcohol in the presence of p-toluenesulfonic acid as catalyst. PHB oligomers terminated with free hydroxyl groups were prepared in this way and characterized using NMR, DSC and TG analyses. The degradation...

D-glucosamine is an important chemical compound in industry. Exo-β-D-glucosaminidase (EC number: 3.2.1.165) is a potential enzyme which can be used in production of D-glucosamine. In this study, an exo-ß-D-glucosaminidase from the hyperthermophilic archaeon Pyrococcus furiosus was cloned and expressed...

In order to improve the surface quality of KDP crystals, the factors of process parameters on surface quality of KDP crystal was researched the KDP crystal was machined by quadratic regression rotation optimization method and single point diamond turning technology.On-line monitoring the surface roughness...

Using single point diamond knife and quadratic general regression rotary unitized design to do cutting experiments of special crystals (KDP crystal), and using acoustic emission technique to collect signal of KDP crystal with different surface waviness, measure and analyze the test results. By frequency...

Heterogeneous chemical reaction on the surface of the atmospheric fine particulate matters not only involves the chemical and physical properties of fine particulate matters itself,but also with the concentration of trace gases in the atmosphere and environment are closely related.To study the reaction...

In order to the research on the diffusion of the particles in street canyons under elevated roads, field measurements of the diffusion of respirable particles were carried out, which conducted at different heights, atmosphere temperatures and the vegetation coverage. At the same time, the correlation...

NOX pollutions affect our social manufacture and human being living, which has caused the extensive attention. NH3-SCR (selective catalytic reduction) has been largely studied to reduce NOX pollution. Most people focus on catalysts under N2 and inert gases atmosphere, while few people research on the...

We analyzed the seasonal variation, horizontal distribution, vertical distribution and background value of cyanide in the bay mouth of Jiaozhou Bay in 1983. Cyanide contents in the bay mouth were changing a lot by means of vertical water’s effect. Cyanide contents in both surface and bottom waters were...

Based on the investigation data on cyanide in bottom waters in the bay mouth of Jiaozhou Bay in 1983, we analyzed the contents, pollution levels, and distributions of cyanide. Results showed that cyanide contents in bottom waters in 1983 were 0.02-0.34 g L-1, and were much lower than guide line of cyanide...

Based on investigation dada on petroleum hydrocarbon (PHC) in July, August and October 1984 in Jiaozhou Bay, we analyzed the content, distribution of PHC. Results showed that PHC contents in 1984 in surface waters were 0.01-0.16 mg L-1 and were meeting Grade I (0.05 mg L-1), II (0.05 mg L-1) and III...

Several different Li+-imprinted gels were prepared by different precursors. And the gels were characterized by textual properties and point of zero charges (PZCs). The adsorption of Li+ from their aqueous solutions by the gels was investigated. The surface areas of the gels were found to range from 60...

Thermal dissolution (TD) of Shengli lignite was carried out in isometric solvent of methanol and ethyl acetate (EA), methanol, and EA to offer the thermally soluble fractions 1-3 (F1-F3), respectively. F1-F3 were analyzed by gas chromatography/mass spectrometry and direct analysis in real-time ionization...

A new particle-type polymer SMG is developed in high temperature and high salinity reservoirs. This technology is one kind of deep profile control techniques which can remarkably improve oil recovery in the oilfield. Rheometry is the main characterization method of chemical agents in deep profile domain,...

SCR (Selective Catalytic Reduction) technology is the most effective after-treatment technology of DeNOx on vehicle diesel engines. In this paper, a modeling of vehicle diesel Urea-SCR after-treatment system was set up with the method of CFD coupled with chemical reaction dynamic, to make a full-scale...

Air is one of the most widely used insulation medium in power systems. However, up to now there is no any existing gas analysis method used for fault diagnostic based on air by-products detection and analysis. In this paper, a new discharge diagnostic method — gas analysis method based on air by-products...

Air is one of the most widely used insulation medium in power systems. However, up to now there is no any existing quantitative gas analysis method used for fault diagnostic based on air by-products detection and analysis. In this paper, a new discharge diagnostic method — gas analysis method based on...

As a kind of high concentration organic wastewater, coagulation pretreatment for slaughter wastewater should be carried out before biological treatment process.For optimal treatment effect, the choice of coagulant was crucial.In this paper , FeSO4.7H2O , FeCl3 , Al2(SO4)3 , PAC were taken as coagulant...

The trace heavy metal elements occur in coal during the coal-forming process and enrich on the bottom ash or fly ash after coal combustion, then escape into the air in the form of particulate or vapour, causing certain environmental hazards. In this paper, control methods for three important trace heavy...

This paper evaluates experimental the influence operating parameters of wire-tube electrostatic precipitators on Particle collection efficiency of pellet furnace flue gas, such as particle diameter, electric field voltage, Particle concentration, and flue gas velocity. Particle removal efficiency increases...

one anoxic-aerobic Moving Bed Bio-film Reactor combined with membrane (MBBR) was used to treat a kind of synthetic leather wastewater, when the value of BOD/TN was controlled from 0.8 to 1.5, about 83.6% of ammonia nitrogen, 61.5% of total nitrogen, 87.4% of nitrate nitrogen, was averagely removed respectively,...

Carbon dioxide as the final oxidation product of carbon and carbon containing compounds, whether it is from the comprehensive utilization of carbon resources, but also from environmental pollution control, the research and development of its transformation and utilization has a very important significance....

6,4’’-Di-O-methylerythromycin A is a relative substance of clarithromycin, which is due to incomplete protection of 4’’-OH during the methylation process. In this study, 6,4’’-Di- O-methylerythromycin A(5) and its derivatives including 2’-O-TMS-6-O-methylerythromycin A 9-[(1-ethoxy-1-methylethyl)oxime](2),...

Tubular nickel oxide electrode was designed and tested in the paper. We successfully prepared a calandria by using polyamide filament, and successfully prepared a tubular nickel oxide electrode by using the tube and foamed nickel oxide electrode. Testing results of the tubular nickel oxide electrode...

The object of this study was to investigate the chemical compositions of PM2.5 and its correlations with the concentration of volatile organic compounds(VOCs) and meteorological parameters during severe air pollution period in Shijiazhuang, a northern city, China in winter. PM2.5 samples were collected...

VOCs was one of main air pollutants. Fenton reaction was concerned because of its oxidation, high speed and high efficiency. In this paper, the Fenton reagent combined with UV was used to purify acetone gas, and the effect factors was studied. The results showed that the removal efficiency of acetone...

In order to obtain the olive wine that has pure taste, rich in nutrient. This paper uses the olive juice, olive pomace, and the mixture as fermentation materials. As a result, three different olive wines are obtained. The components in wine are analyzed by GC-MS. The results show that the olive wine...

City road dust was one of the main sources of PM10. In this paper, roads were classified into four types: expressway, trunk road, secondary trunk road and branch road. Dust samples were collected from 17 representative roads of Shijiazhuang city, and were analyzed by laser particle size analyzer. And...

ITO (indium-tin oxide) conductive glass plates were used as a support of Titanium dioxide films. TiO2/ITO films were prepared by sol-gel and dip-coating method with cheap inorganic salt TiCl4 as a precursor. The photocatalytic activity was evaluated by the photocatalytic decomposition of acetic acid...

La3+- doped BiPO4 photocatalysts were synthesized by a hydrothermal method. The morphologies, structures, components, and light absorption properties of the photocatalysts were evaluated using XRD, FESEM, EDX, BET, XPS, and DRS techniques. La-doping could improve the photocatalytic activity of BiPO4...

Based on investigation dada on lead (Pb) in July and October 1984 in bottom waters in Jiaozhou Bay, we analyzed the content, pollution level and distribution of Pb. Results showed that Pb contents in 1984 in bottom waters were 1.33-17.34 g L-1 and were meeting Grade II, III and IV in National Sea Water...

Based on investigation dada on lead (Pb) in July, August and October 1984 in Jiaozhou Bay waters, we analyzed the content, pollution level and distribution of Pb, and defined the major sources of Pb. Results showed that Pb contents in 1984 in surface waters were 0.72-36.00 g L-1 and were meeting Grade...

Based on the investigation data on Pb in waters in 1984, were analyzed the horizontal distribution, seasonal variation and settling process of Pb in water in the bay mouth of Jiaozhou Bay, eastern China. Results showed that the seasonal variations of Pb contents in surface waters and bottom waters were...

Objective: To investigate the occurrence of exercise stress gastric ulcer during motilin hormone content and expression of HSP70 and dangshen on Exercise Abstract.Objective: To investigate the occurrence of exercise stress gastric ulcer during motilin hormone content and expression of HSP70 and dangshen...

The time and space-averaged structure of alkaline aqueous NaBH4 solution were given by X-ray scattering with a five-circle goniometer in Beijing Synchrotron radiation facility. Then the hydration structure of BH4- were presented through geometrical model calculation, the characteristic distance and the...

As an important material used in the production of epoxy resins, epichlorohydrin is usually derived from the saponification and cyclization of dichloropropanol in a tower reacting system. In order to reduce energy consumption and wastewater discharge, a new process of tubular reactor coupled with wiped...

This work reports the results of carbonate precipitation of soluble manganese by CO2 with alkaline additives with the aim of eliminating the harm caused by electrolytic manganese residue (EMR). Results showed that CaO exhibited a better performance for the precipitation of manganese which was converted...

In this study, effects of hydraulic conditions including hydraulic loading rate and hydraulic saturation condition in fixed bed reactor with two different porous media were investigated by retention time distribution analysis. In terms of hydraulic modeling, models of tanks in series, plug flow and their...

The adsorbent H8Nb22O59•8H2O and its precursor Rb8Nb22O59 were prepared to produce high-purify NaCl. Their characteristics were studied by X-ray diffraction (XRD), thermogravimetric and differential scanning calorimetry (TG-DSC) and scanning electron microscope (SEM). Two main calcinations factors of...

Oxalate-loaded microcapsules can be used as applicable catalyst of in-situ heat system for hydraulic gel fracturing. In this study, oxalate-loaded microcapsule was prepared with AS as the shell material via phase separation. The product was characterized by thermogravimetric analyzer (TGA), laser diffraction...

Ammonium polyphosphate (APP) was encapsulated with different cross-linked structure tung oil phenolic resin(TPF) by in situ polymerization and it was performed that a study on the influence of the cross-linking agent type on the hydrophobicity of the APP microcapsules.The chemical and physical features...

An experimental study on the adsorption removal of phosphate onto a natural and cheap dolomite mineral was carried out. The effects of calcination temperature, holding time, initial pH and dosage on phosphate adsorption were investigated, and multi-variables interaction effects were explorated. The effect...

3-bromo-4-isobutyloxyphenyl carbothioamide 1 is an important intermediate in many biologically active compounds such as febuxostat. In this work, a rapid synthetic method for compound 1 was established. The compound 1 was synthesized from the commercially available 4-hydroxybenzonitrile 2 through three...

N-4-(4-chloro-3-trifluoromethyl-phenyl)-7-methoxy-quinazoline-4,6-diamine (1) exhibited potential biological activities in medicine, 4-chloro-7-fluoro-6-nitro-quinazoline (2) is an important intermediate in compound 1. In this work, a rapid synthetic method for compound 1 was established. The compound...

The C19-C23 fragment (9) of the anti-trypanosomal natural product actinoallolide A was prepared via an elegant stereo-controlled route. We installed the chiral center at C20 through a standard Evans aldol reaction, and protected the secondary hydroxyl group via a silylanization.

(R)-tert-butyl 2,2-dimethyl-4-(prop-1-yn-1-yl)oxazolidine-3-carboxylate, an key intermediate of Biotin which is a water-soluble vitamin involved in an essential part of the metabolic cyle causing catalytic fixation of carbon dioxide in the biosynthesis of fatty acids, sugars, and -amino acids, was synthesized...

(R)-tert-butyl 4-formyl-2,2-dimethylthiazolidine-3-carboxylate is an imntermediate of S-jaspine B known as a potential substitution of pachastrissamine (jaspine B) which shows effective biological activity. Herein we describe an elegant straightforward synthetic path for this attractive molecule intermediate.

A synthetic route from 5-(2-Oxo-hexahydro-thieno[3,4-d]imidazol-6-yl)-pentanoic acid (biotin) to 6-Pentyl-tetrahydr o-thieno [3,4-d] imidazol-2-one which have important antibacterial bioactivity was described. The whole route processed in overall 56% yield, including an esterification, a DIBAL-H reduction,...

One concise methods for synthesis of oxetan-3-ol from epoxy chloropropane are reported. The method involve employsepoxy chloropropane opening of reaction, esterifiction, electrophilic reaction, ring-closure reaction.

The important intermediate, (R)-methyl 5-hydroxy-3-oxoheptanoate, of study towards to total synthesis of (+)- Clavosolide A (1) was described, which was commenced from commercially available D-phenylalanine.

Synthetic study of the intermediate of (+)-vertine and (+)-lythrine, benzyl-2-(1-methoxy-1,3-dioxobutan-2-yl)piperidine-1-carboxylate was described, which included protection, reduction and addition of silyl enol ether.

A new nanoscale hybrid material, where a nitrogen chain N8 is encapsulated inside a boron nitride nanotube, is studied by density Functional theory (DFT). The structure, NBO charges, binding energy and electronic property are calculated at the B3LYP-D3/6-31G(d) level of theory. It is found that the N8...

Since the taste, aroma, colour of coffee were the main indicators of traditional coffee roast programme, the content of acrylamide was defined as final standard in this paper. The least content of acrylamide produced in coffee roast process was picked out, and the formation rule of acrylamide was also...

Titanium dioxide(TiO2) has a good ultraviolet masking effect, antibacterial and photocatalytic function, so it is a good material for the preparation of organic inorganic composite materials, which can be widely used in industrial, food, environmental protection and other fields. In this paper, TiO2...

In this article, we will study the principle of photo catalytic reaction and explore the chemical reaction occurring in the process of deodorization of industrial wasting gas with the combination of the actual situation of Chinese modern factory .We will analyze the reaction principle by using some actual...

Mineral flotation is a complex physical and chemical process that involves solid, liquid and gas phase separation. Many operating variables influence the efficiency of the separation process, and the mutual coupling effects have decisive influence on flotation performance indicators, both from the macro...