Water supply is a prerequisite for urban development, water development, not only to consider the urban water resources on the socio-economic development of carrying capacity, but also to consider the quality of water, taking into account the water environment and water ecology of the growing water pollution...

This study presents the development of a compact and portable in-situ analyzer for nutrient determination. The analyzer can detect the seawater concentrations of nitrate, nitrite, phosphate, ammonia and silicate based on spectrometric method and flow injection analysis with the use of peristaltic pump,...

This Surface sediment samples were collected from Sanmen Bay in Zhejiang. The distribution of total concentration of five heavy metals (Zinc, Chromium, Cadmium, Copper, and Lead) was determined, and their speciation using BCR sequential extraction procedure was investigated. The pollution level and ecological...

The superheated steam temperature control system is a complicated controlled object with large inertia and large time delay characteristics, and its model parameters change with the load. For this nonlinear system, an IGPC-QFT cascade control algorithm was proposed. The quantitative feedback theory (QFT)...

This review introduced the low molecular weight polysaccharides preparation methods, and the research progress of functional activity of low molecular weight polysaccharides were described, and the future development and application prospect of the low molecular weight polysaccharides were discussed,...

Fermented ham is a kind of food that use lactic acid bacteria and other microbes to break down its protein and other nutrients. Fermented ham has excellent taste, unique flavor, and a lot of bioactive components, which has certain health function. At the same time, it can also plays a role in antibacterial...

Base on daily precipitation dataset of 55 stations in Xinjiang, China and apply STARS (Sequential t-test analysis of regime shifts) techniques, trends in annual and seasonal total precipitation and extreme daily precipitation, assessed for 1961-2008. The results indicate that there is little trend in...

In this review, soybean drawing protein was reviewed. The definition, nutrition and health function of soybean drawing protein and its application in food were detailed. And the future research directions of soybean drawing protein were outlooked, the article noted that the soybean drawing protein in...

In 2009, the Chinese government released the policy about the Golden-Sun Program, deciding to provide investors with upfront subsidies prior to project construction with the special funds for renewable energy, with the aim to accelerate large-scale industrialization of PV power generation in China. This...

The ecological footprint theory provides a quantitative evaluation method for the sustainable development of real estate development companies .Based on the ecological footprint model and national hectare, combining with the characteristics of real estate development companies, this study calculates...

The purpose of this article is through the human geography and planning in urban and rural areas of Guangzhou university for example to explore the discipline of personnel training and curriculum reform, So this article has certain reference and guidance. This article firstly analyzes foreign urban planning...

Bone mud liver sauce was a sauce which the bone mud and chicken liver was mixed in the appropriate proportion and its formula was optimized so that the sauce was obtained to be used for bread and rice. The sauce had a good taste and unique flavor, the sauce also broke the limitation of traditional sauce...

For solving the associated gas outlet, maintaining oil and gas pressure balance and increasing the output of a single oil well, the development strategy of gas injection in gas cap and horizontal well development in oil rim was proposed in Aryskum oilfield. The location, length and distance of horizontal...

Authores reviewed GABA's physiological functions, preparation methods and the development prospects. Earlier researchers produced GABA by chemical synthesis method. However, it pollutes the enviroment,the reaction is intense, and can't add to the food. Researchers now use microbial fermentation method,...

Authors summarized fermented sausages the origin, development, species and the role of microorganisms. At the same time, we discussed the fermrntation starterculture and its prospect.

Lactic acid bacteria are closely related to health, in recent years, experts and scholars at home and abroad have been continuously exploring the function of lactic acid bacteria. This article introduced antioxidant, decrease cholesterol, reduce blood press, immune function, produce bacteriocin, and...

To explore the factors affecting sludge settlement, cultivation of aerobic activated sludge in a 20L sequencing batch reactors (SBR), using sludge in the aeration pool of the sewage plant as seed sludge, keep in room temperature (20 ~22 ), artificial synthetic wastewater. By changing the SRT, DO, running...

In order to improve the recovery rate of sulfonamide antibiotics in sludge, and to optimize the extraction and determination methods of sulfonamides antibiotics in sludge, ultrasonic solid phase extraction -HPLC was used for the detection of sulfonamides antibiotics in sludge. First the determination...

In this paper, a Kunitz trypsin inhibitor from soybean meal was isolated to apparent homogeneity by a combination of phosphoric acid extraction, heat treatment, ammonium sulfate precipitation, ion exchange chromatography, affinity chromatography and gel filtration. The results showed that the specific...

Exposed to air and water, the oxidation of sulfide minerals (e.g. pyrite) in coal mine waste can result in serious environmental problems such as acid mine drainage (AMD). Thiobacillus ferrooxidans is generally regarded as the principal iron-oxidizing bacteria involved in the process of sulfide oxidation....

Marble powder is produced during the production of marble waste, the Chemical compositions of marble wastes were comparable with limestones. Therefore, the marble powder can be used instead of limestone flue gas desulfurization. In view of these, the marble powder can be alternative sorbent in WFGD....

Plant remediation is a new developed technology for remediation of heavy metal contaminated soil and become a hot spot in this field. Mining ecotype Sedum alfredii Hance can enrich heavy metal ion of contaminated soil and have advantages of large biomass, fast growth, wide adaptability and multiple harvest....

Currently, the tradable allowance system, which is a market based environmental policy, is being introduced in China. Under this system, enterprises are given much flexibility in decision making. In this article, the authors constructed decision strategies and models for enterprises and analyzed the...

The collation and analysis of the existing problems of ground source heat pump system and the existing solutions, based on the research and development of a new patch of ground source heat pump tower, through the experiment, obtained in the air temperature is 27.1 , the wet bulb temperature is 19.8 ,...

Carbon dioxide capture technologies and solid adsorbents have been a rapid development with the human face increasingly severe environmental problems. Layered double hydroxides (LDH) is a kind of intermediate-temperature solid adsorbent, which is expected to have a useful application prospect. In this...

LUCC (land use and land cover change) has become one of the hotspots in global change research. Through literature induction, there are some differents between Chinese and foreign scholars in research direction and technical methods. Chinese scholars focus on researching changing laws, driving forces...

The 367 coal mining face in FengCheng ShangZhuang coal mine was selected for the project background, the law of the mining permeability is mirrored by the law of the flow of parallel hole that drain gas from virgin coal seam following by the moving of working face. According to the surveying data, the...

Accelerate the construction of a high standard of basic farmland is the primary task of the implementation of the National Land remediation planning, delineation of the high standard of construction of basic farmland in key areas is an important content of the high standard of construction of basic farmland....

The hyperspectral cameras often have hundreds of bands, and their absolute radiometric calibration is the premise for terrain remote sensing applications. Using the hyperspectral camera carried in manned aircraft platform carry out field calibration experiment, and according to the reflectance-based...

A pot experiment was conducted to study the effects of mutual grafting on photosynthetic characteristics of two ecotypes of Solanum photeinocarpum under cadmium (Cd) stress. Four treatments were used in the experiment: ungrafted of farmland ecotype (F-CK), ungrafted of mining ecotype (F-CK), the farmland...

A pot experiment was carried out to investigate the effects of applying uniconazole on growth and cadmium (Cd) accumulation of accumulator plant Stellaria media. The results showed that application of uniconazole inhibited the growth of S. media, and promoted the absorption and transport of Cd from soil....

A pot experiment was carried out to investigate the effects of applying naphthalene acetic acid (NAA) on growth and physiology of Cosmos sulphureus. The results showed that application of NAA promoted the growth of C. sulphureus when the dose of NAA was not more than 15 mg/L. When the dose of NAA was...

A pot experiment was carried out to investigate the effects of applying abscisic acid (ABA) on growth and physiology of Cosmos sulphureus. The results showed that application of ABA promoted the growth of C. sulphureus. ABA increased the biomass and photosynthetic pigment content of C. sulphureus. With...

Around the phenomenon of cascading trip in power grid, a method of evaluating it was researched. Firstly, aiming at the backup relay protector of current type, by comprehensive analyzing the action of the relay protector and the power flow distribution in power system, this paper analyzed the relationship...

In this study, the polysaccharides from Purslane were extracted by ultrasonic method and its content was measured by the phenol-sulfuric acid method using glucose as the standard. The crude polysaccharides were collected and purified by DEAE-Cellulose anion-exchange and Sephadex gel-permeation chromatography....

Numerical simulation of Energetic materials combustion and Energetic materials burning rate determination is the key issues of Energetic materials combustion study. Material point method inherits the advantages of Lagrange and Euler, which have a great advantage when dealing with large deformation and...

The copper(II) complex[Cu(H3ssal)(2,2'-bipy)(4,4'-bipy)(H2O)](H3ssal=5-sulfosalicylic acid) as synthesized with 5-sulfosalicylic acid by high pressure hydrothermal method. The crystal structure of the copper (II) complex contained derivative bipyridine ligands has been determined and studied by X-ray...

In the present study, nanocellulose, extracted from fully bleached kraft pulp by sulfuric acid hydrolysis, was firstly oxidized using periodate to obtain dialdehyde nanocellulose (DANC). Then, DANC was used as both reducing and stabilizing agent to prepare Ag-NPs. The synthesized Ag-NPs were characterized...

According to the investigation of 25 stations in Hanjiang River Basin in August 2015 and January 2016, the aquatic health index of the region was evaluated by using the evaluation method. The diversity evaluation grade was light or non-polluting in August 2015 while diversity rating for the heavy pollution...

In view of the serious water logging, water scarcity and water environment deterioration, the paper analyzed the causes of water logging according to the specific conditions of Kunming. The problems of water logging and water scarcity were considered from the perspective of rainwater utilization. Based...

In this paper, the effects of EDTA and EDDS as chelating agents, chelating-induced maize remediation on Tl-contaminated soils and their heavy metal leakage characteristics under rainfall conditions were studied. The results showed that both EDTA and EDDS could promote the uptake of Tl by maize, and EDDS...

To optimize and control the indoor air distribution and quality, theindoor temperature and humidity were measured based on indoor fresh air system.The one measurementwas indoor temperature and humidity in both cases of return air and without return air in winter respectively. The other was indoor temperature...

Based on the investigation of phytoplankton in 14 samples of the waters among Xiaowutai Mountain in August 2016, the species composition, evenness, abundance and diversity of phytoplankton in the Xiaowutai Mountain were studied, and then evaluated the quality conditions of water. The results showed that...

Shale gas development offers a guarantee for energy supply but also brings environmental impacts. The particularity of shale gas development makes the use of oil-based mud indispensable. In this study, following the release of the Environmental Protection Act (2015) and the National Catalogue of Hazardous...

To achieve distributed parallel computing of network analysis in the multi-dispatching and control system, under the architecture of existing smart grid dispatching and control system, the general requirements of data communication based on network analysis applied to wide area distributed parallel computing...

Accurate characterization of reservoirs is a great difficulty in the study of carbonate reservoirs. Characterization of reservoirs shall be firstly based on the geological recognition of carbonate reservoirs, including multiple reservoir quality-related geologic features such as structure evolution,...

Sulfate reducing bacteria (SRB) was isolated from soil and applied for the remediation of heavy metals pollution from acidic coal mine waste. The result indicated that SRB could be used for the remediation of heavy metals pollution from acidic coal mine waste, based on sewage sludge, chicken manure and...

The combined process of microwave and fly ash is used to remove methylene blue pollutant from aqueous solution in this study. The microwave radiation time, fly ash dosage and pH value on removal process are varied separately to study the effect of these experimental factors on removal performance. The...

Recycled concrete is an environmental green material for recycling construction and demolished wastes. Numerous studies performed on recycled concrete indicated that it had poor characteristics of workability, strength and durability attribute to the inferior mechanical properties of recycled aggregates....

The southwest region of Qaidam, in the sedimentary period in Paleogene, with relatively flat structure and basal stability evenly subsidence, was formed the " broad and shallow lake basin " ancient terrain. Ancient climate is arid or semi-arid environment, and such climate caused the intense physical...

Against such characteristics as large delay, nonlinear, time-varying and uncertainty of controlled object, the P-LADRC cascade control system is proposed in this paper. The principle of the LADRC is briefly introduced firstly, and then QPSO algorithm is applied to tune the initial parameters of LADRC-P...

The one-year-old wild Actinidia deliciosa seedlings were used as materials, by root irrigation of 0.1æmol-L-1 MT solution and 15 mol-L-1 copper sulfate solution, to investigate the effects of exogenous melatonin on antioxidant properties of kiwifruit leaves under copper stress. The results showed that...

Using one-year-old wild Actinidia deliciosa as the experimental material, effect of melatonin (MT) on the antioxidant system under heavy metal Cd stress was studied. The results showed that after Cd stress treatment, the relative electrical conductivity, MDA content, proline content, soluble protein...

Ni P Al2O3 nano-composite coatings were successfully fabricated on a P20 plastic die steel surface by electroless plating process containing sulfate nickel, sodium hypophosphate and suspended Al2O3 nanoparticles. The pH value and temperature of the electroless bath were 4.5 and 87§C, respectively. The...

An innovative mode of public transport(PT) service, known as customized bus(CB), has been springing up across China. This service, providing advanced, personalized and flexible demand-responsive PT, is offered to specific clientele, especially commuters. In order to resolve the problem of passenger personalized...

In order to enhance the degradation ability of ozonation process, catalyst used in catalytic ozonation was studied in this paper. NaY zeolite was selected as the carrier of catalyst. Catalysts prepared with different conditions were added in reaction solution to find the catalytic ability of catalyst...

In recent years, the phenomenon of "haze, air pollution and traffic jam" has gradually deteriorated, which seriously affects the health and safety of residents and the efficiency of logistics operation. Data show that: 2016, China's automobile exhaust emissions of 120 million tons, carbon emissions of...

Empty and round trip problem has become an important bottleneck restricting logistics enterprises to reduce costs and efficiency. Build advanced logistics information system and comprehensive information service platform to achieve intelligent logistics, Development of information intensive green logistics...

The impact of economic fluctuations on corporate investment behavior was studies based on the data of of listed companies during 2009 -2015. The result indicated that the better the economic environment is, the larger the scale of capital expenditure would be, and the weaker the intensity of technological...

It has been the work focus of Chinese government to extend the coverage of basic endowment insurance for urban workers, and it prompted a rapid growth of the fund's income and accumulated balance. This improves the financial sustainability of the system temporarily, and increases the future responsibility...

To achieve the goal of the sustainable development and think of the "five major development" concepts as the guiding ideology ,according to the basic principles and research methods of constructing the evaluation index system of sustainable development of resource-based cities,this paper builds up a...

O-E theodolite is a sort of complex and valuable instrument for measuring the parameter of moving target in the shooting range. While the track precision is the main technology target. The increasing complex and real-time arithmetic was applied in the servo system for boosting the track precision of...

This paper introduces the status quo of current heat treatment procedure of aluminum alloy castings,Heat treatment furnace burner uses cold air as a fuel and the resulting emissions are directly discharged to the atmosphere instead of being recovered, so a great number of residual heat resources are...

A pot experiment was conducted to study the effects of spraying exogenous melatonin (MT) on growth and physiological characteristics of Chinese cabbage seedling under 50 mmol-L-1 NaCl salt stress. The results showed that exogenous MT could promote the growth of Chinese cabbage seedlings under salt stress...

In order to study the organic fertilizer, inorganic fertilizer and its effect on the yield and quality of lettuce, a pot experiment with 5 treatments (no fertilizer, single organic fertilizer and inorganic fertilizer, organic - inorganic fertilizer, organic - inorganic fertilizer (1/2)) was conducted....

This paper studied the effects of different proportions of inorganic fertilizer and organic fertilizer on yield and quality of amaranth by means of pot experiments. The result shows that when the ratio of organic fertilizer and inorganic fertilizer is 1:3, the most beneficial to improve the production...

Threaded adhesive joints between stainless steel electrodes and insulating structure of axial insulation break was studied in detail. Wet winding process was chosen for Glass Fiber Reinforced Plastic inner insulation tube, and threaded adhesive method was chosen for joints bonding GRP to Stainless Steel....

This paper reports the preparation and electro-catalytic activity of MnO2 nanotube catalysts for both oxygen reduction reaction (ORR) and oxygen evolution reduction (OER) in alkaline media. The catalysts were synthesized by a simple hydrothermal method under controlling the different temperatures. Results...

In this work, a series of mesoporous carbonaceous materials (MCs), which are simultaneously doped with N and Fe-containing species, were prepared by polymerization of potassium hexacyanoferrate-mediated chitosan on SiO2 nanospheres. The SiO2 template was carbonized and etched with NaOH. The electrochemical...

Anion-exchange membrane composed of chitosan (CS) and poly[(3-methyl-1-vinylimidazolium methyl sulfate)-co-(1-vinylcaprolactam)-co-(1- vinylpyrrolidone)] (PMVMS-co-VC-co-VP) was prepared by applying double cross-linking technique for alkaline membrane fuel cell (AMFC). Having tested the ion conductivity...

In this work, we have synthesized N and S co-doped mesoporous carbons as highly efficient electrocatalysts to investigate the influence of annealing temperatures on electrocatalytic activity of N and S co-doped mesoporous carbon for oxygen reduction reaction (ORR) in alkaline media. The catalysts were...

In this study, novel kinds of CuxO nanocatalysts have been successfully synthesized with different reducing agents (aniline, O-methoxyaniline and 3,5-dimethoxyaniline) by a facile hydrothermal method. The catalytic performances of the as-prepared CuxO nanocatalysts were investigated systematically for...

In this study, a novel Ce doped Ti-based SnO2/Sb electrode (Ti/SnO2@Sb@Ce) with high overpotential and high catalytic activity was prepared by two-step method. The nano-scale film was formed with the help of an additional step of hydrothermal synthesis process contributing to produce more -OH radicals...

In this paper, based on experiments, by study the nanoparticles crystallized in Cu-Fe alloy, research possibility to form situ nanoparticles dispersion in matrix of immiscible Cu-X alloy. Nanoparticles of Fe-rich dispersed in copper alloy were obtained by experimental methods. Confirmed by adding elements...

According to the research and field tests on campus architecture in Jiangsu province, which indicates the current situations and problems existing in college buildings, this paper tries to put forward several skills on greening transformation which are based on the principles of greenization and local...

The slag from high temperature smelting of copper sludge, electroplating and pickling sludge in different cooling methods were studied for the heavy metal removal and solidification effect. The contents results showed large removal of Cu, Ni, Cd and serious enrichment of Mn, Ba, Be, Pb, As. The leaching...

Energy is an important strategic resource of a country, and its stable supply is of great importance to the security of a country, especially economic security. Due to diversification, stability is the basic view of ecology. Based on the market concentration index and diversity index in industrial economics...

For battery and super-capacitor hybrid energy storage system capacity configuration, the hybrid energy storage system multi-objective optimal allocation model is proposed. The optimization goals were economic cost, reliability of power supply,and the balance of supply and demand. The constraints were...

A control strategy which is used in hybrid energy storage system is proposed in this paper. This control strategy has combined low pass filter with multi-objective optimization. Besides, the problems of overcharge, over discharge and limitation of maximum power are considered, which has improved the...

Along with the rapid development of UHV AC/DC interconnected power grid and the construction of the power dispatching data network, the resources allocation capability of power grid in wide area has been enhanced greatly. Now, the power grid operation faces a series of challenges, such as the centralized...

With rapid development of power grid, the accurate and centralized analysis are characteristic of the future dispatching trend in power grid, all information of dispatching system at all level need to be shared. The demand for optimization operation of dispatching data network is more and more urgent....

The results of MLA automated quantitative mineralogy system indicated the uranium ore used in this study was mainly composed of pitchblende (0.47%), quartz (64.91%), fluorite (2.18%) and pyrite (0.44%). The existence of fluorine-containing minerals plays a strong inhibition role of bacterial activity...

Development of cost-efficient denitration technologies has been a challenging task in industry. Here we proposed a new denitration method by using polypropylene hollow fiber membrane contactor. The NO gas from a simulative flue gas was absorbed into a saline aqueous solution through a holly fiber membrane,...

The paper explains the overview of domestic and international refrigerated transportation. It also points out some problems existing in the railway refrigerated transportation of China. The article discusses the reform of refrigerated transportation organization, the development of advanced refrigeration...

In this work, an intermediate product DOPO-A was firstly synthesized through an addition reaction between triethoxyvinylsilane and 9,10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide (DOPO). Then DOPO-A was hydrolyzed to form DOPO-A' (silanol of DOPO-A) and the surface of expandable graphite (EG) was...

Nitrogen was introduced in the process of fix-bed pyrolysis reactor as convection gas, and the influence of convection gas/gas production rate ratio and material height on the heat transfer and pyrolysis products was researched. The results showed: With the increase of convection gas/gas production rate...

In order to understand the synergetic effect between the solution of tea polyphenols and sorghum red pigment, synergetic effect and optimal formulation of compound antioxidant with the response surface method were determined using the method of free radical scavenging under DPPH system.The results showed...

The waste pomelo peel modified and orthogonal optimization of adsorption conditions of neutral red was studied.The results showed pomelo peel modified with 0.1 mol-L-1 acetic acid was the best.The optimal processing conditions were as follows: 100 mL neutral red solution of 200 mg-L-1 ,adding 3.0 g-L-1modified...

Based on stepping motor system and the law of fluid continuity, PIV technique was used to measure mainstream flow field in cigarette smoke directly, and the cigarette outlet velocity was obtained at different stepping motor frequencies with different suction pressure. The results show that the velocities...

Due to the complex topography and strict requirement for the construction as well as the significant effect, from the stress and strain, on the geometric shape of such a continuous bridge with variable cross-section, it is difficult to control the geometric shape of the bridge without stress monitoring....

Life length of PLA sand barrier shall be influenced under wind-drift sand. This study researches the law of abrasion performance to provide theoretical underpinnings in predicting life length of PLA sand barrier. This study tests the abrasion performance of PLA sand Barrier by applying Martindale Abrasion...

Poly(N-isopropylacrylamide) is a representative thermosensitive polymer, whose hydrogels have broad applications. But poly(N-isopropylacrylamide) hydrogels are weak and brittle. To get higher strength hydrogels, in this paper, silica sol was utilized as nanoparticle reinforcer source to construct poly(N-isopropylacrylamide)/silica...

X-ray diffraction spectra are studied in the two series of La0.9Sr0.1Ga0.8Mg0.2O3 δ (denoted as LSGM). The comparison of the enlarged portion of XRD spectra between the experimental samples and samples in the card bas has been made to detemine their crystal structures at room temperature. The comparison...

With the continuous expansion of the scale of urban lighting, LED (light-emitting diode) lamps with a long life, high luminous efficiency, in many cities gradually popularized into the practical stage. In the traditional AC power system, the driving power of LED is the main failure point of LED lamps,...

Due to the problem of reforming the reactor, the original supporting column at the outlet of the equipment has a negative influence on the uniformity of the flue gas. In this paper, CFD simulation technology is used to simulate the smoke movement at the outlet of the denitration reactor, using the standard...

Ti-MCM-41 zeolite was hydrothermally synthesized by using tetrabutyl orthotitanate as titanium source and fumed silica as silicon. Powder X-ray diffraction UV-vis diffuse reflectance spectroscopy and inductively coupled plasma were used to characterize the product, results indicated revealed that the...