China is one of the largest fluorescent lamps consuming and producing countries in the world. However, there are few studies evaluating environmental impacts of fluorescent lamps in China. This study compared the environmental impacts of two lighting systems in China – compact fluorescent lamps and linear...

In this paper a solar air preheater is installed in front of the evaporator of air source heat pump in order to solve frost and liquid strike of the evaporator operating in the cold regions. The analysis shows that the new system can increase the air side temperature of the heat pump evaporator effectively,...

The absorption rate of CO2 in piperazine (PZ) promoted potassium carbonate (K2CO3) aqueous solution were measured at normal pressure. The temperatures ranged from 323.2K to 343.2K. The mass fractions of PZ and K2CO3 respectively ranged from 0 to 0.03 and 0.2 to 0.3. The influences of the temperature...

The absorption rates of CO2 in diethanolamine (DEA) promoted potassium carbonate (K2CO3) solution at normal pressure with temperature ranging from 343.2K to 363.2K were investigated. The mass fractions of DEA and K2CO3 respectively ranged from 0 to 0.02, and 0.35 to 0.40. The results revealed the effects...

Although in situ denitrification has been well documented in landfills, few studies have paid attention on the denitrifier in landfills who dominates this process. In this study, a strain P-1-5 was isolated from landfill by Pseudomonas selecting medium and identified as Pseudomonas stutzeri by 16S rRNA...

The operating status of transformers directly affects the safety of entire power grid. Therefore, it is essential to monitor a variety of transformer fault and ensure the normal operation of power grid. The multi-frequency ultrasonic technique was proposed in the thesis and which utilized hundreds of...

China Rural widespread structural surplus straw is the major constraints and limitations of modern agriculture industry sustainable development. Straw returning after biogas treatment is an important way to solve the problem of straw, as well as effective means of achieving a low-carbon economy and the...

On background of Energy Internet (EI) and active distribution network (ADN), a new type of smart controller based on low voltage carrier communication technique was developed, which could finish multi-interaction between the users and Power Supply Company (PSC) in aspects of energy flow and information...

This paper describes the magnesium pollution status and remediation of tilth top soils in Haicheng magnesium mine. The soil quality status was evaluated based on the analysis results. Physiologically acid fertilizers and organic fertilizer were used for the remediation of contaminated soil using magnesium-ammonium-phosphate...

The influence of feedstock and pyrolysis temperature on biochar properties has been extensively studied. This study used scanning electron microscopy (SEM) and electron dispersive X-ray analysis (EDX) to observe surface morphology properties of the biochars produced from broiler litter (BL), saw dust...

Low permeability reservoir often have a variety of scales, distribution of complex natural fractures, using hydraulic fracturing which would create some large scale artificial fracture, in order to abstain more accurately prediction and judge oil production, the research on the mathematical model of...

Land resource lies in a significant position in China due to its largest population in the world. Academics in China have been studying on the topic of efficient utilization of land for gradually realizing China's economic transition without breaking the 1.8 billion mu red line of plough. A series of...

To investigate the dynamic mechanism of maintaining the deep tidal channel of Lianzhou Bay in nature status, a numerical model of Lianzhou Bay was established based on ECOMSED (Estuarine and Coastal Ocean Model).The measured Salinity distribution shows that the freshwater has small effect on the deep...

Due to the high boiling point of residue, hydrocarbons mainly occurred liquid-phase reactions in the delayed coking process. To enhance the gas-phase cracking of residues, the high temperature and short residence time processing scheme was performed in a Py-GC/TOF-MS apparatus. The residue was cracked...

Aiming at the issues in microbial flooding process of Baolige oilfield, the following points were deeply studied in this paper indoor physical simulation experiments, the effect of different flooding ways on enhance oil recovery, the relationship between output bacterial concentration and injected bacteria...

Although the low-permeability tight gas reservoirs in western Sichuan are widely distributed, of varied types, complex geological characteristics and difficult development, the reserves are of large scale and there is great potential for development. With the technology research breakthroughs of geography,...

The reform of oil and gas industry can improve significantly the industrial efficient, sustainable and healthy development. This paper chooses United States as a representative case, reviews the whole reform course of the oil and gas industry in US, and also establish an evaluation index system which...

The valve cooling system of converter station plays a very important role in the DC transmission project, and it is important to keep the system stable running. It is found that great scaling difference appeared among three spray towers of the valve cooling system in Tianshengqiao converter station during...

In this paper, we described the process study about the pre-processing parameters of litchi slag. After investigating the influence of single factor and the orthogonal experiments, we obtained the optimum process parameters. The optimum process conditions of cellulase hydrolysis is X12X23X31X42 (hydrolysis...

A clear grasp of vegetable price transmission mechanism and the ability to make early warning for vegetable price are important for guaranteeing the effective supply and stabilizing the market price of vegetables. Therefore, it is of great significance to conduct a research on vegetable price transmission...

Based on the biological control strategy in the pest management, a delayed stage-structured predator-prey model with impulsive control is considered. Using the theories and methods of impulsive delayed differential equations, sufficient conditions are obtained, which guarantee the global attractivity...

Space size plays an important role in the properties of confined water. This study aimed to investigate the flow behavior of water confined in a slit pore. Molecular dynamics simulations were acted to analyze the confined water molecules in slit pore. Pressing the plates to form the confined condition...

The limit of methane explosion and the characteristics of methane explosion pressure under different conditions of humidity ( 15%RH 63%RH 92%RH)are studied by using the test system of 20L explosion characteristics in special environment. It is concluded by the study that when the other conditions remain...

The mode of agricultural supply chain financial applies supply chain finance in the agricultural industry chain, which can effectively solve the financing difficulties of farmers and the rural financial repression issues. We researched the development of Jinan`s agricultural financial supply chain and...

In this paper, a practical value of budget management system is analyzed and discussed. For the sake of overall management company, we build a comprehensive budget management system based on business, and with the office platform, contract management, reimbursement, other related effectively business...

To improve the applicability of designing scheme of windproof net parameters, according to the existed research results and years of design experience, this essay comes up with the method to optimize the scheme of plane layout of windproof net according to the local environmental conditions of each project...

With the advent of the big data era, as a resource to promote the development of economic and social, information has been more and more get people's attention, now has become a very important commodity. In electric power industry, different categories of information service can bring different benefit...

In this study, we tried to synthesize super insulation and hydrophobic silica aerogel doped with mullite fibers (10wt %), by using cost effective processing from sodium silicate. Before dried under ambient pressure, the surfaces of the gels were modified using trimethylchlorosilane (TMCS) via one-step...

Cone-shaped tubular anode substrates were prepared successfully by phase inversion technique. The effect of several kinds of organic additives on the microstructure development of NiO-YSZ anode support has been investigated. The scanning electron microscopy (SEM) results of NiO-YSZ anode supports show...

Roof greening is an important part of urban garden, which has lots of irreplaceable function and benefits. As the development of city construction, roof greening has become an indispensable part of people's life and become the focus of attention in city. Plants as one of the important factors in roof...

The contamination of soils with heavy metals has become a major environmental concern. Extractive-decontamination of the toxic metals (Pb, Cd and Cu) from the contaminated soil using N2EDTA and STPP was evaluated by batch extraction. The influences of mixed liquid concentrations, oscillating time, pH...

This article starts from the actual demand of Power communication access network construction, and proposes a wireless access method of Radio over PON. The method divides the wireless access system into RRS(Radio Remote System) and RCPC(Radio Central Process Center), which can effectively improve the...

In order to clear and define the influence of slope factor for the construction of sandy shoal, the research presents developmental process of sandy shoal through flume simulation from the perspective of sedimentology forward modeling. The experiment is divided into three groups by using the method of...

Population, economy, resources and environment have received considerable concerns for human beings. A lot of resources are consumed due to demographics and growth prospects, while excessive utilization resources result in environment pollution problems which are intensified the conflict among environment...

In this paper, the method to confirm the sedimentary environments and microfacies of reservoirs of complex carbonate oil reservoirs was illustrated on the basis of cores and logging data. The sedimentary environments of reservoirs are petrographically confirmed on the basis of rock color, sedimentary...

Energy demand is closely bound up with the problem of global climate change, environmental pollution and carbon emissions, which is always a hot issue that the world is paying attention to, especially the energy demand scale is the focus of social attention. Therefore, it is highly urgent to forecast...

This paper designed a kind of psychological adjusting feedback control system based on ARM. This system is composed of S3C2410 micro controller and its peripheral circuit. Using the embedded system platform, and discusses when sampling object anxiety and other psychological state automatically to the...

With the development of society and the improvement of people's living standard, the proportion of building energy consumption has increased, energy shortage and environmental pollution problems have become severe increasingly. Based on the importance of energy consumption quota method for public building,in...

The purpose of this paper is to introduce hydroxypropyl-β-cyclodextrin(Hp-β-cyclodextrin) into ozonation, and investigate the oxidation properties of Hp-β-cyclodextrin after ozonation. In this study, Potassium indigo trisulfonate, (Indigo) and 2.2’-azino-bis (3-ethylbenzothiazoline-6-sulfonate, (ABTS)...

As a variety of interference exists in the real-time traffic data in the actual sampling environment and the traffic data is not stable, we do wavelet decomposition for traffic data in this paper. In order to get better de-noising effect, we add the noise to a set of given similar traffic signal, and...

Reducing fossil fuel consumption of transportation is one of the key for energy conservation and emission reduction of every megacity. The essential data of this research came from 4 similar kinds of touring coaches including 64 vehicle trips whose cumulative operating time and mileage were 778.8 hours...

This paper evaluated the productivity of the construction industry in Henan province from three aspects including total productive efficiency, pure technical efficiency and scale efficiency, by using of the DEA model based on the construction of Henan province in 2000-2014 input and output historical...

Offshore wind power is a frontier field of wind power technology, which is actively promoted by the countries all over the world. At present, UK offshore wind power takes the lead in the world, establishing mature offshore wind power management systems and procedures, and then provides references for...