With modulus (KH = 0.89, SM = 2.42, IM = 1.70), substituting the sludge for the shale in the calculation of the cement burden, we studied the influence of different amount of sludge on the cement raw meal sintering, mineral composition, compression strength and the leaching value of heavy metal element....

cis-perhydropyrrolo[3,4-c]pyridine-3,4-dione, a kind of nontoxic and nootropic agent, was synthesized in laboratory with a milder method than literature methods. The colorless crystal was derived from ethanol solution by solvent evaporation and the crystal structure was determined by using X-ray diffraction...

Adopting microwave digestion and ICP-AES method while detecting Ni Cr Pb Cd As and Hg in lentinus edodes of Shenyang, results show that the average content of the elements is respectively Ni Cr Cd Pb As Hg, Hg was not detected and in some particular samples Cr Cd Pb exceed standard. So the excess of...

In order to obtain the foamed ceramic trapping efficiency on soot, a soot trapping installation was designed, made test scheme of soot trapping according to ELR test cycle. Through the analysis of test data, the conclusions are as follows: the trapping performance of 25 PPI foamed ceramics is obviously...

This paper an innovative and effective extrusion roller embossing process, which enables the rapid fabrication of surface-relief polymer diffusers. The metallic roller mould bearing the microstructures is fabricated using the chemical corrosion method. During the extrusion roller embossing process, the...

In this article, the neural network method is applied to optimize repeated acidizing fracturing Wells. In order to obtain accurate prediction results reverse passing through error and adjust the weights of each layer are adopt. This method applied in Zanarol oil field has got a good effect.

Biofuel from microalgae is a renewable energy, which may be instead of the fossil fuel resources in the future with decreasing of the fossil fuel daily. Microalgae have received more attention in the recent decades. This review highlights the current status, opportunity and challenge for biofuel microalgae....

Sludge with large production is difficult to be dewatered without any pretreatment. Pretreatment with ultrasound and microwave can adjust the structure of sludge and change the water form, therefore increase the water content which could be dispelled easily. Dewaterability and morphological of sludge...

With the increasing of the application of super absorbent polymer (SAP) used on turfgrass, the characteristics of turfgrass development were significant influenced by SAP. This paper studies effects of SAP on cold resistance characteristics of turfgrass. The main results are as follow. Low temperature...

With the continuous development of city construction process, a new type of media advertisement carrier outdoor LED display appears more and more in the city. It has many advantages that different from the traditional media, such as large area, bright color, dynamic change, high brightness, strong visual...

Silicosis, characterized by many cytokines expression, especially TNF-alpha and TGF-beta1, is the most prevalent occupational disease world-wide. Here we examined whether quercetin can regulate expressions of TGF-beta1 and TNF-alpha in lung of rats with silicosis. Totally 75 male Wistar rats, were randomly...

Calcium with low charge density doped TiO2 (Ca-TiO2) mesoporous nanomaterials with high specific surface areas were successfully synthesized via a simple and effective solid-state reaction route. The properties of these nanomaterials were characterized by X-ray diffraction (XRD), small angle X-ray scattering...

China is carrying out the development of three-dimensional transportation because of the advantages of overpasses. However, the researches of road lighting in China are based on the model of ordinary roads. Due to the lack of the research on the road lighting of three-dimensional transportation, this...

DBPs formation potential, including THMs, HAAs, HKs, chloropicrin, and chloral hydrate, of 20 amino acids was evaluated. Chlorination experiments were carried out at pH=8.0±0.1 by using phosphates buffer and performed at Cl2:N=8:1(molar ratio) at 20±1°C for a reaction duration of 24h. Chlorination experiments...

In order to replace the common ecology insulating riser, the dust of foundry is chosen as insulating-refractory material, sorel gel materials as binder and depending on the characteristic of foam beads that shrinking after heated to research on a new ecology insulating riser. The results show that the...

This paper emphasis has researched the Microstructure and Properties of compound modification of stearic acid-Gly -Ti-O particles ER fluid, It is found that Stearic acid-Gly -Ti-O modification has major effect on shear stress and chain of particles.

By exploring and comprehending Bi Gua in the Book of Changes from an esthetical angle, the aesthetic connotation of White Bi is derived as an ultimate of decoration that reverts to simplicity, and as an advocate of returning to original appearance and nature. It implies many of the essential ancient...

Based on the data by Xin-Wen Mining Group CO. LTD of Sun-Cun Coal Mine, the relationship between the geothermal gradient and the depth of mine in Suncun Coal Mine has been developed. According to this and the laboratory experiments, the relationship between the quantity of CO2 and the depth of coal mine...

The removal of four pharmaceutically active compounds (PhACs), i.e. anti-inflammatory painkiller diclofenac (DFC), lipid regulating agent clofibric acid (CFA), epilepsy drugs carbamazepine (CBM), and broad-spectrum antibacterial agent triclosan (TCS), present in sewage sludge was investigated using anaerobic...

With the economic growth and energy reduction, the prices of anthracite are soaring. Some companies expect to use bituminous coal instead of anthracite for ammonia synthesis. Therefore, in order to find suitable bituminous coals gasification for synthetic ammonia, thermal gravimetric analysis is used...

2, 6-bis (5,6-dipropyl-1,2,4-triazine-3-yl) pyridine (BDPTP) was synthesized with 2, 6 - dimethyl pyridine and ethyl butyrate as raw materials. And characterized by IR, 1HNMR and element analysis etc. The extraction performance of this kind of complexes for four kinds of cations, Cu II ,Cd II ,Pb II...

In this work mesoporous silica (MS) material was synthesized using block-co-polymer and used as an adsorbent support for arsenic removal. To meet this requirement, mesoporous silica (MS) with a large surface area (262.13 m 2/g) and uniform pore size (about 42Å) was prepared. This study showed that MS...

With the support of RS and GIS Technology, take 1987, 2000 and 2010 s TM remote sensing images as the data source,use the man-machine interactive visual interpretation method to obtain data of Qinghai Lake watershed wetland landscape, according to the theory of landscape ecology, selection of landscape...

Ordered mesoporous materials, because of its specific high surface area, a large pore size and uniform pore size distribution, reflects its more obvious advantages in the adsorption. By regulating the pore size distribution of mesoporous carbon, not only can expand the range of selective adsorption of...

Chemical conditioning pretreatment does not always improve sludge dewaterability sufficiently for flocculated sludges with high compressibilities. Physical conditioners, often knows as skeleton builders, are commonly used to improve the dewaterability of sewage sludge. In this study, natural zeolite...

Study on the zonal wind-driven ocean current is an important subject in the field of physical oceanography. At present, Stommel model and Munk model are being widely used to model this current in a flat-bottomed ocean domain. However, these models are highly idealized and lack the comprehensive consideration...

Activated carbons(AC) were produced by chemical activation with potassium hydroxide(KOH) at 800oC from chars that were carbonized from reedy grass leaves at 450oC in N2 atmosphere and their characteristics were investigated. The effects of activation temperature, duration time and impregnation time were...

Leaf nitrogen (leaf N) status is important, to optimize nitrogen management and improve yield quantity and quality. Relationships between canopy spectral reflectance at 400-1000 nm with ASIA and nitrogen levels in potato leaves were studied. Five nitrogen (N) fertilizer treatments in 2007 and seven nitrogen...

Flame retardant Zn2SnO4 were prepared through the method of precursor calcinations with SnCl4, Zn(NO3)2 and NaOH as raw materials and activated carbon as template. Zn2SnO4 as flame-retardants and smoke suppressants for flexible poly (vinyl chloride) were characterized by the limiting oxygen index test(LOI),...

Biological treatment with sulfate-reducing bacteria (SRB) has been considered as the most attractive alternative for heavy-metals-containing effluents decontamination. Ordinarily, these wastewaters contain high concentrations of sulfate and heavy metals, it is extremely essential for the development...

This paper describes the preparation process of vanadium catalysts. The adsorption capacity of vanadium catalysts for NH3 (stable adsorption time, ammonia storage capacity, contact adsorption) were obtained from test method. The relationship between the catalyst adsorption capacity and space velocity,...

The ecological environment in the hilly area of Sichuan is the important resource of the new countryside construction in this region. Under the guidance of the new requirements on the new countryside construction proposed by the coordinated urban and rural development, the protection and rational utilization...

Self-developed shrinking eliminating agent for alloy crankshaft was used to crankshaft specimen with dispersed shrinkage , changing the package materials, the composition and the amount of addition of the shrinking eliminating agent, macroscopical and microcosmic analyses of the section were performed...

For the shortcoming of Fuzzy Comprehensive Evaluation Method such as subjectivity and lacking of information more, in order to improve the index weight’s scientific and accuracy. In this paper, based on the application of AHP and entropy weight method, fuzzy comprehensive evaluation obtained quadratic...

The various periods mechanical performance of super sulphated cement(SSC) with different fineness are investigated in this paper. The hydration exothermic rate, hydration products and morphology of SSC are tested with differential scanning calorimetry(DSC), X-ray diffraction analysis(XRD) and scanning...

Based on the status quo and requirements of domestic sewage treatment, the ABR and widespread constructed wetland (CW) methods are used to treatment domestic sewage in rural area. By the ABR and CW treatment processes, the size and organic loading are designed on the basis of the sewage quality and quantity....

The magnetic susceptibility and the concentrations of Cu, Zn, Pb , Cr and Mn in topsoil samples from Qinghai Lake Area were measured to study their spatial distribution and their correlation in this study. The results show that: Spatial distribution of topsoil magnetic susceptibility has a certain regularity...

The immobilization of effective microorganisms (EM) on matrix supports is of great importance for improving microbes’ density and avoiding microbes flooding so as to enhance removal efficiency in polluted river water. What’s more, DO is of great importance in the wastewater treatment. Based on the previous...

Ceramic Coating was initially applied to aerospace field. Nowadays, it is widely applied to petrochemical industry and building fields. This paper introduces the classification, application status, research progress and extant question of Nanometer Ceramic Coating in order to offer some thoughts and...

This paper studied the feasibility of treating the acid mine drainage (AMD) by using a process of permeable reactive barrier (PRB), in which coal fly ash(CFA) was used as the reaction medium. The adjustment of pH and the removal of COD, sulfate and three kinds of heavy metal ions (Cd2 +, Cu2 +, Zn2 +)...

The United States Environmental Protection Agency (EPA) is an agency of the U.S. federal government for protecting human health and the environment. This paper studies the organizational development of the EPA and assesses the agency performance from perspectives of Bolman and Deal’s four-frame model....