The energy innovation has brought about an exponential increase of population each time, meanwhile, population growth brings greater energy demand. Hence how to maintain a balanced relation between energy production-consumption and population is of great importance. This paper highlights the relations...

When accident or maintenance occurs in water distribution network, how to improve the service level of the user is the problem that urban water supply enterprises need to solve. This paper presents a optimization model based on DMA partitions for attempting to use the sensitivity method to find the pipelines...

In modern times, with the rise of high buildings, the timber piles were replaced by steel piles, precast concrete piles and various composition foundation, the main reason is that the soft ground improved with timber piles has the weakness of low bearing capacity and large post construction settlement....

Through three-dimensional (3D) printing pen methods on the high-voltage electrostatic field with a needle shaped collector, the refined poly-L-lactide (PLA) finished product has been achieved. Through orthogonal experimental methods, We found that optimal conditions at 180?"?, a nozzle-to-needle shaped...

The ocean energy industry, as one of China's emerging industries, is the key development goal proposed in China’s 13th Five-Year Plan. Compared with foreign ocean technology, there is still a lot of space for development of China’s ocean energy industry. Taking the ocean energy industrial technology...

“Symbiosis” is a universal phenomenon in the biological universe and it also prevails in the social system. Cooperative education is an important path of colleges and universities to cultivate applied talents and the key to break through close development of newly built universities, homogeneous inefficient...

This paper presents an overview of the wind-hydrogen coupling system(WHCS), as an effective method of solving wind power accommodation, WHCS has great economic, social and environmental benefits, which has been attached great importance to and promoted widely. The paper introduces the basic structure...

The cinnamon essential oil micro-capsules was prepared by β-Cyclodextrin (β-CD) embedding technology, the commercially available fruit wax was used as substrate and cinnamon oil micro-capsule was added as antibacterial agent. The concentration of fruit wax, micro-capsules addition, dissolution temperature,...

Because the exhaust heat is multitudinous and the level of the heat utilization is various, it is significant to exploit the appropriate technologies to convert the waste heat to electricity. In this article, the assessment methods for the exhaust heat power generation system and the comparison on the...

Passive design has widely been identified as one of the most economical and effective strategies for reducing energy demand. This research is based on the physical surveillance, and has adopted physical environment fieldwork test and data analysis methods to evaluate the effectiveness of passive space...

With environment quality decreases, consumer’s environmental awareness (CEA) increases and more and more manufacturers are willing to produce the product with low carbon emission. At the same time, government employs the carbon quota to stimulate the manufacturer to produce green product. This paper...

The depth of coal seam buried in Yushenfu mining area is shallow, and there is inevitable contradiction between the mining activities of high strength coal seam and the protection of aquifers. Therefore, it is very important to study aquifer's response law to coal seam mining for scientific mining of...

This paper chose the surface sediments of lakeside wetland from southern Yangzonghai as the research object, studied the sediment contents of total arsenic (TAs) and arsenic fractions (acid soluble arsenic-F1, reducible arsenic-F2, oxidable arsenic-F3 and residual arsenic-F4) of different seasons and...

In order to understand the situation of land use in Karst and the corresponding trend of variation in the future 30 years, based on the geographic information system (GIS), the dynamic variation of land use in Karst wetland has been analyzed by using the Landsat pictures in the year of 1990, 1995, 2000,...

Three-phase asynchronous motor simulation model was established based on ANSYS software, the effect factor on the modeling of three-phase asynchronous motor was analyzed in this paper, such as the physical environment to create, geometric model of the stator, rotor geometry model, the asynchronous motor...

Through questionnaire investigation of 320 rural households at 8 towns of Xichang City Liangshan Autonomous prefecture Sichuan, an ordered Probit model is constructed to analyze the influence of various factors on supply effect of farmland water conservancy facility based on populations with different...

Reasonable hole configuration can avoid drilling incident. Traditional hole configuration design method can't show the necessary cementing point with complex lithology. In this paper, firstly, the four pressure calculation models and the value basis of hole configuration design coefficient and value...

During steam stimulation, micro crack can lead to steam channeling and decrease steam ratio and quantity at the bottom. According to the theory of elastic mechanics and thermodynamics, the micro crack calculating model was established. Micro crack width increases with the increasing of injection steam...

Traditional reactive policing encountered marginal utility difficulties in crime control, and the predictive policing driven by big data and oriented by solving problems is an important direction for future policing innovation. The big data expands the new thinking of police operation, innovates the...

In recent years, with the rapid development of Chinese economy and the increase of the immigration, more and more alien species which cause a certain ecologic influence on the local area are coming in China. Risk assessment is the first step to prevent invasion of alien species, which is one the most...

The western region of China is vast in territory and rich in water resources. It is the birthplace and upstream region of great rivers such as the Yangtze River, the Yellow River and Brahmaputra River. During the flood season, flood disasters and secondary disasters such as landslides, mudslides and...

Objective: To explore the the influence of different ostomy closure opportunity choice on the prognosis of the patient with necrotizing enterocolitis (NEC). Methods: From January 2012 to January 2018, 36 infants with NEC which had been performed ileostomy were treated with different ostomy closure opportunity...

Uncertain theory is a new tool to quantitatively study the risk analysis under the uncertain condition. Based on uncertain theory and combined with actual characteristics of reservoir operation, the risk analysis model of reservoir operation was established and a hybrid intelligent algorithm coupling...

Based on the finiteness of resources and the seriousness of environmental pollution, and considering that China is a large energy consuming country and a large country of carbon dioxide emissions, it is necessary to develop low-carbon economy. This paper analyses the application of environmental Kuznets...

As the most mature kind of solar heat utilization technology, solar hot water system has been widely used and popularized. In this paper, the evacuated tube collector and the flat-plate collector are used as the research object. The two kinds of collector are most used, while the proportion of use at...

In this paper the path of tar formation during biomass pyrolysis or gasification is described. When the reaction temperature is in the range of 800-900?"?, the tar yield is between 2.5% -5%. Meantime, the primary tar approaches 0, the secondary tar content is 40-60%, the tertiary tar content is 20-60%;...

The pyrolysis gasification treatment in the paper is the new direction of municipal solid waste disposal by comparing waste incineration, composting and sanitary landfill treatment technology. The principle and classification of pyrolysis gasification technology are described in detail. The research...

Based on the idea of establishing urban visual orders, this paper aims to explore the demonstration form of Shenyang commercial signboard font designs under the influence of the visual order establishment and to handle problems currently existing on streets of Shenyang and major cities, including the...

The package of the tourist souvenirs in the intangible cultural heritages is one of the topics that people pay less attention to, but with the rapid development of tourist industry as well as the transformation of intangible cultural heritages, it has caught their eyes gradually. The paper is meant to...

In order to investigate the effects of Cu , Zn and their complex stress on the physiological characteristics of Cinnamomum camphora , the seedlings of C. camphora were treated with different concentrations of Cu , Zn ( 0 , 300 , 600 , 900 , 1200 , 1500 mg / kg ) and their mixture ( concentration of 300...

The article investigates the effect of vulcanization process on electromagnetic shielding and mechanical property of the conductive silicone rubber filled with the silver-coated carbonyl nickel powder. The results show that the post curing process can remarkably improve the electromagnetic shielding...

The anaerobic effluent from cellulose acetate wastewater was used as experimental object, removal rates of organic phosphorus and CODCr are used as index, the influence of reaction time, Fe/C particles, original pH value and current density on removal rate were investigated by electro-Fenton. The results...

Uniform BaCO3 nanorods were successfully synthesized by a novel microemulsion-based interfacial diffusion method using a lipophilic organic carbonate (CH3CH2)2CO3 as the precipitating agent. For comparison, two other similar methods, namely interfacial diffusion method in the absence of microemulsion...

Steam pipe network is important facility in the iron& steel enterprises to recycling the waste heat energy and reduce the comprehensive energy consumption. In this paper, we analyze the necessity of data-driven modelling and data reconciliation for the schedule and operation of steam system through EMS....

Running converters causes harmonics in the electrical system, so it is critical to detect and analyze the harmonics in the power signals. However, the various noises could heavily jeopardize the accuracy of detection and analysis of harmonics in the subject. In this paper, wavelet denoising is applied...

At the present stage, China has become more and more demanding in terms of resource utilization. The development mode of circular economy also came into being. Its purpose is to reduce pollution emissions, improve environmental and resource utilization, and fundamentally coordinate the relationship between...

With the rapid development of oil & gas pipeline construction, the pollution accidents are increasing in quantity. The safe operation of pipelines has aroused widespread concern. This study collected the historical cases of environmental accidents in the domestic oil & gas pipelines in recent 10 years....

In view of that PI controller parameters changes when system model parameters of single- phase photovoltaic inverter change, a gradient reference based adaptive current loop control method is proposed. Ignoring the high order harmonics in PWM inverter, the mathematical model of the grid connected system...

An application of treating the landfill leachate by MVC-DI process is introduced. The leachate evaporation treatment system (MVC) of a landfill decreased by 70% in the treatment capacity, and the effluent quality was not up to the discharge standard. The hot-running test, the cold-stop detection and...

With the development of shipping and continuous promotion of energy-saving work,the performance level of port machinery has become an important parameter to measure the comprehensive utilization of energy in all port enterprises. At this stage,the continuous development and improvement of remote monitoring...

The fatigue requirement of casting aluminum alloy is varied for different industry, however, it is hard to avoid porosity, shrinkage, or slag during the casting process, leading to uneven quality of casting. the fatigue strength will be influenced by casting porosity, DAS length or stress level. This...

The paper summarizes domestic and foreign researches about route optimization of multimodal transport. On this base, it first analysis the operational modes and influential factors for container sea-rail transport. Next, it puts China and Europe as the endpoints of route and analysis the alternative...

Low carbon has become a recognized future development direction of the tourism industry in Zhejiang. Closely linked to this paper, vigorously develop low carbon tourism industry requirements, to Big creek village Anji Zhejiang , for example, through on-the-spot investigation, the problems existed in...

K-means algorithm is used to analyze pretreated monthly load data of power consumers from a certain domestic area in China. It can get different clusters in three months, and those can be roughly divided power consumers into different types, such as residents, businesses and factories based on power...

Nowadays, a variety of shipping-induced environmental problems and increasingly rigid emission restrictions have drawn more attention to an emerging marine fuel??"liquefied natural gas (LNG). Although a number of theoretical research and experiment of the usage of LNG onboard have been successfully conducted,...

Shape memory Ni55Mn20.6Ga24.4(at%) wires of approximately 200μm in diameter were produced by the in rotating water melt-spinning technique (INROWASP). The microstructure of Ni-Mn-Ga wire was changed from dendritic-like into bamboo grains structure with only one crystal in the radial direction by annealing....

With rapid development of large-scale dairy farming in China, unreasonable emissions of the dairy slurry have caused eutrophication of surface water and pollution of the groundwater. Through carrying out field experiment in wheat-maize rotation farmland from 2012 to 2016 in Xushui county of Heibei province,...

Microalgae harvesting was a bottleneck for controlling eutrophic waterbody and microalgal biofuel production, the combination of Microbial floculant (MBF) and alum was used to flocculate Microcystis aeruginosa in different conditions. The results showed that the combination of MBF and alum had a better...

Obtaining the land use change and ecological carrying capacity change accurately and understanding the specific impact of land use change on biocapacity is of great significance for sustainable development. This study analyzed the influence of land use change on ecological carrying capacity, aimed at...

To evaluate the effect of genetically modified cotton planting on soil microbial community structure, four cotton materials, genetically modified cotton 013011 (drought-resistance), SGK321 (insect-resistance) and non-transgenic cotton TH2 (drought-resistant receptor) and Shiyuan321 (insect-resistant...

The paper introduces the status and harm of ship air pollution in Yangtze River Delta, and expounds the regulations and policies of ship emission control in this area. In this paper, the problems of air pollution prevention and control for ships in Yangtze River Delta are analyzed, and the preventive...

The theoretical calculation method of gun barrel strength is put forward.First of all,get the stress function solutions of the plane axisymmetric problems based on equilibrium, geometry and physical equations.Secondly,the radial theoretical formula for the stress, strain and displacement of the barrel...

Digital design is a kind of emerging forms of expression in the digital era, and plays an essential role in architectural design. During the process of digital design technology application, when designer pursues the technology for digital performs, sometimes, they probably only focus on drawing effect...

Selenium (Se) is a kind of important trace elements in organisms, and selenium deficiency or excess will lead to human disease, therefore, it is of great significance to study the application of selenium fertilizer. In this study, through using pot experiment with selenium rich soil collected from Xiqing...

The characteristics of WF gas oil in Jilin Oilfield are low porosity, low permeability, small pore-throat radius, and low formation pressure coefficient, causing that fracturing fluid flow back slowly, decreasing productivity. Laboratory test shows that water blocking damage is the major factor which...

A new conductive polymer nanofiber was prepared by electrospinning of the polymer solution and in situ synthesis. The electrospun polystyrene (PS) fibers were employed as template for the in situ surface polymerization of poly 3, 4-ethylenedioxythiophene (PEDOT). Electrospun nanofibers were utilized as...

Researching the effects of different concentrations of B. thuringiensis and B. bassiana mixed liquor on the mortality of Plutella xylostella larvae in Jiamusi. [Methods] Employing PBS buffer diluted the B. thuringiensis and B. bassiana into different concentrations of suspension, the mixture of B. thuringiensis...

Study on the control effect of B. bassiana on 4 kinds of pests of conservatory pests in frigid region. The content of B. bassiana was measured by plate counting method. B. bassiana was prepared into 5 concentrations of fungal suspension, named as G1 to G5, and LD50 lethal dose for experimental measurement...

In order to study the hazard of LPG storage, quantitative risk assessment is proposed to analyze the accident scenarios. The consequence models specific to the leak of LPG storage is put forward and the software Phast Risk is used to calculate the individual risk. The results of typical historical accidents...

For solving the current situation of monitoring and management in traditional aquaculture farms, the design idea of aquaculture environmental monitoring system was put forward with the development of intelligence and the maturity of intelligent technology in recent years. We described in detail the whole...

A pot experiment was conducted to study the effects of spraying with 5 different concentrations (0, 50, 100, 150, 200 μmol·L-1) of exogenous melatonin (MT) on photosynthetic characteristics of C. bursa-pastoris seedlings under 50 mmol·L-1 NaCl stress. The results showed that spraying exogenous MT significantly...

A pot experiment was conducted to study the effects of different concentrations of selenium (Se) on the growth and physiological characteristics of tomato seedlings. The results showed that the biomass, SOD activity, POD activity, CAT activity, soluble protein and soluble sugar content of tomato seedlings...

A pot experiment was conducted to study the effects of different concentrations selenium (Se) on the photosynthetic characteristics of tomato seedlings. The results showed that the photosynthetic parameters and photosynthetic pigment content of tomato seedlings increased first and then decreased, and...

Effects of Cyphomandra betacea seedlings intercropping with F1 generations of Solanum photeinocarpum on soil enzyme activity under cadmium (Cd) stress were studied. The activities of soil catalase, soil polyphenol oxidase, soil sucrase, and soil urease were measured. The results showed that under Cd...

The effects of Cyphomandra betacea seedlings intercropping with four hyperaccululator plant species (Bidens pilosa, Solanum photeinocarpum, Galinsoga parviflora, and Tagetes erecta) on soil enzyme activity under cadmium (Cd) stress were studied by a pot experiment. The results showed that intercropping...

The effects of intercropping with four floricultural accumulator plants (Helianthus annuus, Cosmos sulphureus, Cosmos bipinnata, Impatiens balsamina) on soil enzymes activity and soil organic matter of grape seedlings under cadmium (Cd) stress were studied by a pot experiment. The results showed that...

In order to discuss the melatonin (MT) on photosynthetic pigment contents and antioxidant enzyme activities of vegetables, broadbean (Vicia faba) seeds were soaked in five doses (0, 50, 100, 150 and 200 µmol/L) of MT and then planted in pots containing cadmium (Cd) contaminated soil. The 50- and 100-µmol/L...

In order to discuss the melatonin (MT) on the growth and cadmium (Cd) accumulation in vegetables, broadbean (Vicia faba) seeds were soaked in five doses (0, 50, 100, 150 and 200 µmol/L) of MT and then planted in pots containing Cd-contaminated soil. Different doses of MT increased the biomasses of broadbean...

In this paper, the demand side management in the framework of smart grid is introduced., and analyzes the connotation of demand side management in Smart Grid. In addition, this paper focuses on the relationship between demand side management and demand response,analyzes the electricity saving benefits...

Under the background of eco-economic development, enterprises are under the pressure of sustainable development exerted by multiple stakeholders and it is imperative to establish a model of eco-economic development of enterprises. It is essential for enterprises to build a eco-economic development model...

Aim at the drought, one of the important stress factors, we chose the Prunus avium named ‘Hong Deng’ to experiment. Through artificial control field soil water content, to different drought stress treatment of sweet cherry, the leaf photosynthetic indicators, including net photosynthesis rate, transpiration...

Aim at the drought, one of the important stress factors, we chose the Prunus avium named ‘Hong Deng’ to experiment. Through artificial control field soil water content, to different drought stress treatment of sweet cherry, we collected the changes under different drought stress, including characteristics...

The problem of combustion and emission in a turbocharged diesel engine under transient conditions has become an unavoidable problem under the increasingly stringent emission regulations. In order to alleviate the transient test of large amount of capital investment, the difficult test and long testing...

The Bacillus sp. L15 isolated from a sea cucumber Apostichopus japonicus breeding pond could effectively reduce the contents of COD and NH4-N in the pond water and significantly promoted the growth of A.japonicus. This study further tested the influence of Ca2+, Mg2+ and Mn2+ on the reproduction and...

In this report, we describe a simple two-step electrodeposition method to synthesis Mn2O3/electrochemically reduced graphene oxide (ErGO) nanocomposites on the surface of Ni foam (NF) and used as the electrode of supercapacitors (SCs). The scanning electron microscope (SEM), characterization had shown...

Co(OH)2 is a promising electrochemical material owing to its high theoretical specific capacitance, low cost and eco-friendliness. However, the poor conductivity hinders its application. In this work, 3D porous Co(OH)2/ErGO nanoflake vertically grown on the surface of Ni foam (NF) through a facile two-step...

Flower-like 3D TiO2 microspheres with hierarchical structure are fabricated via a facile solvothermal approach in a solution of N, N-dimethylformamide (DMF) with the addition of diethanolamine (DEA). The microspheres with the size of 200-300 nm are composed of TiO2 nanosheets. The influence of reaction...

Reverse logistics is a relatively new field in logistics research and has always been enjoy the reputation of environmental logistics. Coal production not only has relatively large pollution for the environment and serious waste,but also there are plenty of recyclable materials. The introduction of reverse...

In this work, variations in rhizosphere microbial community in Wusong estuarine wetland were studied under simulated conditions through phospholipid fatty acids (PLFAs) analysis. Native plant species, bulrush (Scirpus tripueter) was tested in the study. The results indicated the root effect caused a...

To investigate the effect of schizandra B(Sch B) on reorganization of primary hippocampus cells dendritic spines induced by Glu. Methods: The primary hippocampus cells were divided into control group, model group and Sch B group. The primary cells in control group were untreated; the primary cells in...

To enhance the quality of education and the level of running schools in colleges and universities, especially in applied technology oriented universities, we need a team of "DT" ("Double Teachers") with profound the oretical knowledge and rich practical experience. Therefore, the research & development...

A microbial consortium, designated LZF-12, was obtained by successive subcultivation in the presence of rice straw under static conditions at 35 ºC. The number of bacilli was dominant in microbial consortium by scanning electron microscopy. The degradation efficiencies of LZF-12 for rice straw, hemicelluloses,...

The popularization of subway systems in large and medium-sized cities in China has increased the requirements for the quality and schedule of subway tunnels and stations. The construction of a subway station is a complicated process that considers cost, schedule, quality, and safety. Revit software was...

The objectives of this study were implemented to investigate the haloacetic acids formation potential (HAAFP) in drinking water treatment and determine the reduction of haloacetic acids (HAAs) during preozonation. This full-scale examination was conducted with Luan River water. Two preoxidation methods...

A series of quasi-static tests were conducted to investigate the load capacity of panels constructed with plain autoclaved aerated cellular concrete (AAC). Test results verified the effectiveness of CFRP plates increasing the ductility and load capacity of AAC panels. A theoretical analysis was conducted...

The grassland region is a multi-ethnic area mainly composed of Mongolian. Because of economic and cultural interactions and influences among different ethnic groups, there are long history and tradition. At the same time, the northern nations are also impacted by Tibetan Buddhism and the Central Plains...

The problem considered is that of calculating the stress-strain behavior of a rock mass in the vicinity of a spherical cavity, taking into account the radial inhomogeneity of the rock mass material. The solution takes into account the technological inhomogeneity of the soil and the inhomogeneity caused...

3D geological modeling is an important means to visualize and express geological information, analyze and study geological distribution intuitively. Borehole data is the main data carrier in geological research. This paper presents a method to create 3D geological model with the help of ArcGIS software....

To evaluate the dynamic characteristics of 100-meter fully-grouted reinforced-block masonry shear wall (FG-RMSW) structure, a FG-RMSW structure in construction process was tested using the ambient excitation vibration method. A total of three tests were conducted to fully understand the dynamic characteristics...

In order to make clear the priority of land consolidation, improve the use efficiency of land consolidation funds, and promote the better land consolidation work. Based on the investigation and summary of the current problems in land consolidation, according to the characteristics of land use in Yunnan...

On the basis of the research status of the snow-melting and the application of the electric heating cable, the preliminary design of the heating system and the control system of electric heating cable are investigated. Cable and pavements and the laying way of cable heating system and the working principle...

Mainstream hospital construction has been based on copying western experience, after the reform and opening in China. Because of the soft environment of different national conditions and medical society, there are a lot of problems emerge from the construction of hospital widely. The development of hospital...

Diseases, patients and society are closely integrated together. The role of evolution of infectious disease is associated with the design of hospital building, because of the extension characteristics of the diseases from an individual to the public in and outside the hospital building. This paper analyzes...

The purpose of this study is to explore the safety performance of short left-turn lanes at unsignalized intersections, where it is often impractical to provide the standard lengths either when the available length between two adjacent opening is inadequate or when heavy left-turn volumes leads to demanding...

At present, the research is not enough for the correlation of loess strength parameter and freeze-thaw cycles in domestic.The paper aims how the change of freeze-thaw cycles influence the stress characters of intact loess by consolidated drained triaxial shear test for the Shanxi loess.The results showed...

At present, the research is not enough for the correlation of loess strength parameter and freeze-thaw temperature difference in domestic.The paper aims how the change of freeze-thaw temperature difference influence the stress characters of remolded loess by consolidated drained triaxial shear test for.The...

People who work in highway toll station is suffering serve air pollution, due to where vehicles are crowded. So it is important to study the air pollution in highway toll stations. In this study, two toll stations in Dalian were chosen to measure the CO, PM10, NO2 and total hydrocarbon (THC) inside and...

A retaining structure induces a specific spatial effect because of differences in its stiffness at different locations. When a partition wall is placed inside a retaining structure, it can significantly influence the development of the deformation of the retaining structure and the adjacent soil. In...

This paper aims to explore the direct and indirect economic impacts of the establishment of a Chinese carbon exchange market on carbon capture, utilization, and storage (CCUS) projects from both the qualitative and quantitative perspectives. Using Beijing carbon exchange center and Daqing oil price data...

Ageing of population is a key problem which will be faced by our country. According to the characteristics of intelligent home and analysis of the needs of the elderly, this paper put forward the principles and requirements of intelligent home design in the model of family retirement model, and adopted...