The mechanism for the conformational conversion of 1,3-dioxane guest encapsulated inside a capsular host was theoretically investigated using semiempirical PM3
The crude polysaccharide was obtained by means of the decolorization of porphyrized Cordyceps minlitaris stroma with organic solvent, extraction with hot water,
【正】 一、美国的银行结构从收付结算业务来看,美国的银行结构,大体可分三类,即:联邦准备系统、联准成员银行和非成员银行。现在分述于下:1.联邦准备系统(FEDERAL RESERVE S
The title compounds 3,5,6,7-tetrahydro-4H-cyclopenta[4,5]thieno[2,3-d]pyrimidin-4-ones(6) were syn-thesized by base catalytic reactions of secondary amines with
Titania nanocrystals with different morphologies were prepared using the hydrothermal method via controlling the pH values of solution, the ratio of reactants,
In this study, the process of a biodegradable polylactide(PLA) microsphere encapsulating ginsenoside Rg3 was first studied by the emulsion solvent evaporation m
很多同学在做题时,只要看到题目中有“少”字,就立即用减法计算,其实,这种做法是不正确的。[病例1]苹果有18个,苹果比梨少6个,梨有多少个?[病症]18-6=12(个)。[诊断]这道题里
Two crosslinkable poly(p-phenyleneethynylene)s(PPEs): poly[2,5-di(2'-ethyl-hexyloxy)-1,4-phenylenee-thynylene] with end-capped vinyl(PPE1) and poly[2,5-di(a
The interaction of bromothymol blue(BB) with human serum albumin(HSA) was studied by electrochemical techniques and a sensitive method for proteins assay was de