In recent years, the discharge amount of all kinds of sewage is increasingly increased, and therefore the handling problem of sewage sludge, an inevitable product of sewage treatment, has drawn more and more attention. As a new type of sludge treatment technology, the production technology of bio-oil...

With the deepening of research, microporous coordination polymers, as a new type of molecule based materials, show potential application prospect. They have pore structure diversifications, high specific surface areas, unsaturated coordination sites and coordination mode diversifications, and their performance...

Hyperspectral Remote Sensing Technology in geological prospecting, spectral feature information extraction and other aspects have made significant progress, and a lot of achievements. Compared with the traditional geological survey, mapping prospecting, geological mapping using hyperspectral have low...

To prepare SiNx thin film with good compactness, fast deposition rate and stable performance, plasma-enhanced chemical vapour deposition (PECVD) is adopted to study the influences of different technological parameters on the properties of SiNx thin film. The experimental results indicate that SiH4 and...

The influence of ball milling on the structure and the electrochemical properties of La0.7(Mg0.25Ti0.05)(Ni0.85Co0.15)3.5 hydrogen storage alloy was investigated systematically. The XRD results show that the main phases of the alloy are a (LaMg)Ni3 phase with the PuNi3-type rhombohedral structure and...

The paper tends to study the determination of formaldehyde in squid and bummalo by HPLC. The calibration curve in the 0.5-50.0 µg/mL range was obtained and correlation coefficient was 0.9993. The detection limit was 5 mg/kg. Endogenous formaldehyde in bummalo and squid as well as the change rule of formaldehyde...

A simple and rapid ultrasound assisted extraction method with hydrochloric acid for antimony speciation in Chinese traditional medicine leigongteng was developed. Antimony(III) is selectively reduced in a citric acid buffer solution at pH 3 in the presence of antimony(V), where no reduction of antimony(V)...

The influence of the porosity on the impact damage of CFRP laminates was investigated. A finite element analysis model is established by using ABAQUS software combined with the sudden stiffness degradation model. The failure criterion of the impact damage of the fabric fiber reinforced composites is...

The effects of thickness and impact energy on the impact damage and the medium leakage of CFRP laminates were studied in this paper. Impact tests for the CFRP laminates with the size of 600 mm×700 mm with five different thicknesses were subjected to the impact energy levels from 5 J to 65 J. The matrix...

The influence of the impact energy on the impact damage of the carbon fiber fabric reinforced epoxy composites laminates was investigated. Impact tests on the carbon/epoxy composite laminates with the size of 600 mm×700 mm were conducted with different the impact energy levels from 5 J to 65 J at the...

Ag nanowires were successfully synthesized by the polyol process with the addition of trace amounts of HCl and HNO3. In addition, the relationship between the final morphology of the silver products and the reaction parameters, such as the quality ratio of HCl and HNO3 were studied detailed. The results...

The transparent electrodes were fabricated via graphene and silver nanowire hybrid films using vacuum filtration method. The influence of raw material concentration on the structure, morphology and the properties of the thin films were studied. With the content of silver nanowires and graphene increase,...

According to the collected geological data, this thesis has systematically summarized the development feature of folds of No.5 coal seam in Chenghe-Second coal mine by counting and analyzing the setting of regional geological structure and characteristics of mine geological structure. Based on the above-mentioned...

Runoff calculation is an important part of regional runoff forecast and water resources evaluation model. The Soil Conservation Service (SCS) curve number (CN) model developed by the U.S. Department of Agriculture National Resources Conversion Service (NRCS) is the most popular and widely applied model...

The encapsulation of Fe3O4 particles in a graphene shell to form a core-shell structure is a promising way to improve the electrochemical performance of lithium ion batteries (LIBs). The continuous graphene shell may enhance the electrical conductivity of the electrodes, facilitating current collection...

Natural fiber thermal insulation is rarely used in the Slovak republic. This low usage might be caused by various factors such as mistrust of new materials from the point of view of thermal insulation installation or of their behavior in case of fire. The paper focuses on the problem of their reaction...

This paper presented the design of a composite grinding aid for steel slag and granulated blast-furnace slag with glycerol distilled residue as main raw material. Several commonly used grinding aids were investigated and the optimal formulation of the composite grinding aid was obtained with the mass...

In this paper, by adding different additives in Solar Two molten salt in order to form multiple composite molten salts. And testing the thermal performance of mixture molten salt can be comparatively analysis of the modification effects of different additives. The melting point and latent heat of mixture...

A novel nanorod (RuTi)O2 composite cathode has been prepared via a facile and controllable approach. X-ray diffraction (XRD), scanning electron microscopy (SEM), and linear scanning voltammetry (LSV) were used to scrutinize the electrodes and the electrochemical performance. The results reveal that the...

Ce-La solid solution were prepared from mixed rare earth chloride via the co-precipitation method using various precipitants: urea, Na2CO3, NaHCO3, (NH4)2CO3 and NH4HCO3. The effects of the precipitants on the physicochemical properties, crystal structure and morphology of the Ce-La solid solution are...

Preparation of sultamicillin tosilate -cyclodextrin inclusion to study the stablility. Method: the contents of the inclusion compound of the mixture were determined by the method of saturated aqueous solution. The content of the mixture was determined by UV spectrophotometry and the content of the mixture...

To study the best process conditions for preparing ultrasonic lincomycin -cyclodextrin inclusion. Method: Choose the usage ration of Lincomycin hydrochloride with -cyclodextrin, the inclusion temperature and the time of reaction as the main factors, and use the inclusion yield as evaluated indicators...

Liquid crystalline polyurethane (LCPU) was used to develop shape memory nanocomposites. The carbon nanotubes were introduced by melt mixing to improve the shape memory property of the LCPU matrix. The dispersion of CNTs and shape memory behaviours of the nanocomposites were also studied. The XRD shows...

In this study, polyurethane elastomer containing sulfonic acid based was synthesized by two steps. Poly(tetramethylene ether) glycol with 2000g/mol number average molecular weight were used as soft segment, 4,4-methylenebis(phenyl isocyanate), and 1,2-dihydroxy-3-propanesulfonic acid salt were used to...

With the Penaeus vannamei as experiment object, study the effect of oil on activities of enzymes (SOD, GOT and AHH) in the shrimp P. vannamei in different oil concentrations and time. Analyze the change of enzyme activity of shrimp polluted by oil through microplate reader and reagent. The results show...

It is well known that 4,4'- hexafluoro isopropylidene-phthalic anhydride(FDA) has higher permeability and selectivity. It is contributed to –CF group contained in polyimide structure material. In this study, the diffusion properties of a,w-bis(3-aminopropyldimethyl) oligodimethylsiloxane (ODMS) fragment...

Structures and catalytic activities of CO molecule on monoclinic ZrO2(111)(M = Ce, Ca and Pr) surface has been studied by using density functional theory (DFT). Calculations indicate that on the stoichiometric ZrO2(111) surface, the preferential adsorption structure is the Zr-CO configuration. The adsorption...

Nonylphenol plays the role of estrogen in influencing male organisms in water much higher than the female biological. It is typical endocrine disruptors and does harm to biological reproductive system. Gonadotropin-releasing hormone (GnRH) is a sex hormone-containing nerve decape-ptide.The main physiological...

Cipangopaludina chinensis which is a kind of benthic invertebrates was taken as experimental invertebrate. In the condition of the Roxithromycin, the activity of APND and GST abstracted from the liver and kidney tissues of Cipangopaludina chinensis to investigate the effect of Roxithromycin on the biochemical...

This paper wastewater aniline reaction solution, the first reaction was added H2O2 degradation, changing the initial concentration of aniline were simulated wastewater, amount of H2O2, reaction time, pH value, investigate the effect of aniline degradation efficiency, the experimental results show : degradation...

This paper discusses the factors Enzymatic Extraction barley polysaccharides investigate the effect of hydrolysis time, hydrolysis temperature, enzyme dosage, solid-liquid ratio and pH value of the five factors of barley polysaccharide extraction rate, the results show : with the increase of hydrolysis...

In order to optimize Enzymatic Extraction barley polysaccharides parameters, the use of orthogonal test to optimize their processes, affecting the cellulase barley polysaccharide extracted five factors, the maximum temperature hydrolysis, the solid-liquid ratio on minimum. The impact of the extraction...

In this study, seaweed kelp as the raw material, the use of ultrasound-assisted method of extraction process kelp total polyphenols were discussed. Research on the single factor affecting the total polyphenol extraction: ultrasonic time, ultrasonic power, ultrasonic temperature, ethanol concentration....

On the observation data of maize under film drip irrigation in different depth of soil temperature and air temperature, analyzed the change status of film mulching and no film mulching field maize at different depths temperature, the study of the dynamic changes of soil temperature in different growth...

To explore the feasibility of using construction waste composite powder materials in the small concrete member, this paper studied the strength and shrinkage performance of C20 concrete under different construction waste composite powder materials dosages. The results show: C20 concrete had the highest...

The effects of different densities on cadmium (Cd) accumulation of Cerastium glomeratum were investigated through a pot experiment. The results showed that the root, stem, leaf and shoot biomass of single C. glomeratum decreased with the increase of densities of C. glomeratum seedlings (1, 2, 3, 4 and...

Leaching of nitrate compound ground runoff loss and nitrogen element resulting in the pollution of groundwater. Most areas in China with the groundwater as drinking water consume excessive amounts of nitrate the damage to the human body is various therefore removal of nitrate in water is urgent. At present...

The friction between the mould and slab has important influences on the process of continuous casting and the slab quality. In this paper, based on the continuous slab caster under hydraulic oscillation, the measurement methods of mould friction are studied. The extraction and realization of friction...

Undercooling of Cu-Co alloys is achieved with the help of glass flux technology. Electrical resistivity of Cu20Co80 and Cu60Co40 has been detected during the cooling process. In undercooled liquid, an inflection in resistivity is well accompanied by a turning point in temperature-time curve, which is...

The mechanical property of concrete will be effected when the SAP added in concrete. This paper study on the law of SAP content and amount of additional water which influence mechanical property of concrete. The results show that the effect of SAP on the early compressive strength of concrete is greater...

0.7(Bi0.95La0.05)FeO3-0.3BaTiO3 (0.7BLF-0.3BT) ceramics with pure perovskite structure were produced and packed from an aqueous tape casting method. The effects of pressure and temperature, during the tapes lamination process, on the bulk density and dielectric were systematically investigated to obtain...

By combining with the quantum mechanics theory on the relationship between the electronic equipment aging reaction rate and temperature-humidity, a hydrothermal aging life model based on modified Arrhenius method is established with the propellant mechanical properties as the research object. According...

Sc3+ doped textured lead-free ceramics of CaBi4-xScxTi4O15 (CBScT) were prepared by oriented consolidation of anisometric particle method with tape casting while the plate-like powders were produced by MMS method. The higher dielectric constant and lower dielectric loss were obtained as the x=0.2. The...