Heparinase Ⅱ is an important polysaccharide lyase capable of depolymerizing heparin and heparan sulfate,which has a wid......

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In this study two-step steam pretreatment by dilute H2SO4/NaOH impregnation to improve the enzymatic hydrolysis has been......

N-carbamylglutamate and copper sulfate were used to synthesize a new Copper complex(NCGCu).The r eaction conditions of p......

Using real analysis data of 1°×1° resolution of the National Center for Environmental Prediction/National Center for ......

为使成像光谱仪能在复杂振动环境和宽温(5~35 ℃)下使用,基于Offner同心结构凸面光栅的光学系统,研制出短波红外成像光谱仪系统。......

Thirteen fractions from the pathogenic plant fungus Setosphaeria turcica race 1 were separated and collected using high ......

用双离子束溅射法在５０℃以下的基底上淀积了类金刚石（ＤＬＣ）膜。对ＤＬＣ膜采用扫描电子显微镜、透射电子显微镜及拉曼谱仪进行了结构分析。通过对......

概要介绍了悬挂建筑结构的性质，提出悬挂比及悬挑比的概念。重点分析了中央核筒悬挂建筑结构的受力性能及一般计算原则。最后提出了......

本文运用对偶矢量量论定量地分析开环机构中各运动副所容许的相对运动在末杆上的反映，通过计算末杆独立对偶角速度来确定末杆独立运......