BACKGROUND Management of chronic refractory wounds is one of the toughest clinical challenges for surgeons.Because of po......

Based on analyses of the spatio-temporal evolutionary characteristics of teleseismic response recorded by Fu-jian subsur......

<正> It has been some 300 years since man began surveying and exploiting subsea mineral resources. At first this work wa......

<正> In 1980, we found a metallic mineral in a Cu-Ni deposit in Xinjiang. After X-ray powder study and microprobe analys......

[Objective] To determine the content of Cu,Pb and Cd in PORIA by atomic absorption spectrometry(AAS).[Method] Different ......

A new kind of asymmetrical ether diamine,3,4’-bis(4-aminophenoxy)benzophenone(BABP),was synthesized from the nucleophil......

The color changes of one representative FCC gasoline were studied. The red substance in the FCC gasoline was concentrate......

For the determination of trace amount of plutonium,Pu(Ⅳ)may be extracted from dilute nitric acid by TTA-xylene,and stri......

We report a novel strategy to study the chain dynamics of poly(acrylic acid)(PAA)in a relative concentrated solution(1.0......

Ionic liquid coupled with strong acid systems presents considerable promise in some catalytic fields.In the present work......

CO_2 photoreduction is an attractive process which allows the storage of solar energy and synthesis of solar fuels. Many......

The ultrasonic pulse signal resonance features in layered carbon fiber reinforced plastic(CFRP) within voids were resear......

This study presents an analysis of the spatial-temporal distribution of 230 archaeological sites in Guizhou Province, So......

In this paper,the types of research methods that contain uncertainty are first introduced,and then the description is co......

ＬｏｃａｌＤｅｎｔｉｎｇＤｅｆｏｒｍａｔｉｏｎｏｆＰｅｒｆｅｃｔｌｙＰｌａｓｔｉｃ┐ｒｉｇｉｄＣｉｒｃｕｌａｒＴｕｂｅｓｕｎｄｅｒａＴｒａｎｓｖｅｒｓｅＣｏｎｃｅｎｔｒａｔｅｄＬｏａｄＣｈｅｎｇＧｕｏｑｉａｎｇＺｈａｎｇＳｈａｎｙｕａｎ（Ｒｅｓ... LocalDentingDeformationofPerfectlyPlastic┐rigidCircularTubesunderaTransverseConcentratedLoadChengGuoqian......

The isoline map of the heat flow has been drawn by using the measured and estimated values of the heat flow in Yunnan Pr......

The standard molar reaction enthalpies of two reactions,CeCl_3·7H_2O(s)+3CCl_3COOH(s)=Ce(TCA)_3·3H_2O(s)+3HCl(g)+4H_2O......

3,7-Dinitrodibenzobromonium bisulfate 3 was prepared directly by the reaction of4,4’ -dinitrobiphenyl with sodium brom......

POVERTY is always a concern of China’s government and people. In 1978, there were 699 impoverished counties in the who......

China’s Gaosheng crude oil is characterized as being high in nickel and low in vana-dium.Nickel porphyrins were extrac......

A series of nearly N-S-trending active tectonic belts are found in Tibet. The earthquakes there mostly belong to shallo......

The ancient weathered crust studied occurs on the razed surfaces of various physiographic periods atdifferent altitudes......

The mechanism of formation of the Lincang germanium deposit is discussed in thelight of the spatial distribution of Ge-r......

Concentrations of metals are lower in coal shales collected from recently exposed surface mine wastes than in shales col......

Organic matter is related closely to mineralization of Lannigou gold deposit in southwestern Guizhou, China, Regionally......

On August 6th,Sichuan Chemical Holdings Group Co.,Ltd.(Sichuan Chemical) commenced construction of the 40 000 t/a imino......

【正】 The project of developing process technology for 15000t/a dimethyldichlorosilane hydrolysate production undertake......

Spectrophotometric method is used for the analysis of micro concentration of uraninum in aqueousand organic phase in or......

Concept and origin of the term “ the diffuse seismicity” are illustrated. Some different viewpoints regarding the diff......

Based on waveform data, several methods to determine focal mechanisms of small earthquakes were developed since 1980. Ki......

What is a credible seismic precursor in observation of deformation? A real seismic precursor ought to be resulted from t......

To find a new index of winter monsoon without effects of chemical weathering and pedogenesis is an important task in loe......

On September 23, 1999, an earthquake swarm occurred in Fuzhou. Because the swarm occurred in the region where earthquake......

Your work is often based on photographs,what kind of photo do you look for in a potential work?I think about whether or ......

Industrial complexes, being sources of environment pollution, are concentrated in Pribaikalye. Geoecological studies of ......

Industrial complexes, being the sources of environment pollution, are concentrated in Pribaikalye. Geoecological studies......

The conventional mass loss tests and the electrochemical techniques were used to study the inhibition action of LiOH an......

Solid phases, such as surface coatings (SC), suspended particulate matter (SPM) and deposited sediments (DS), contribute......

[Objectives]To use liquid chromatography-mass spectrometry technology to analyze the chemical composition of traditional......

Concentrated photovoltaic(CPV)has been identified as an effective method to further enhance the efficiency of photovolta......

RESERVEChina has one quarter world’s tin re-serve,the No.1 in deposits.Theproven reserves are concentrated in theprovi......

4. Recent developments in the blast furnace method To improve efficiency, particularly in dealing with lower grade mate......

●RESERVESChinese nickel resources are the sixthlargest in the world; of which 86 per centare sulfides, associated with......

THE ALUMINA market appears to beshown signs of weakness currently in China dueto concentrated arrivals of imports,accor......

World production of ten major nonfer-rous metals in 1995 was 52.77 milliontonnes,up 27.3 per cent over the sameperiod o......

During the concentrated application acceptance period for 2009,NSFC received 93 893 proposals.According to stipulations ......

猫、狗和小孩在遇到危险的时候,会自然地蜷缩起身体。地震时,你也应该这么做。这是一种安全的本能。而且你在一个很小的空间里就可......

A new microfluidic microelectromechanical light modulator using a magnetic fluid is introduced. The optical reflection f......

The production of China’s zinc smeltingindustry was being more concentrated in 2001,and the businesses with a producti......

The Ministry of Public Security(MPS) took a nationwide concerted action of the concentrated rectification to the transp......