丙酮醇

Gingko leaf and its extractive is microwave-aided fast hydrolyzed in ethanol, propyl alcohol, butyl alcohol, acetone and other organic solvent as digest with certain amount of phosphoric acid, sulfuric acid or hydrochloric acid aqua added.

本方法以银杏叶及其提取物为原料，以乙醇、正丙醇、正丁醇及其丙酮等有机溶剂加入一定量的磷酸、硫酸、盐酸水溶液作为水解液，经微波辅助快速水解。

This is because in the thick enzyme fluid simultaneously includes many kinds of enzymatic systems, like pyruvic acid decarboxylase, alcohol dehydrogenase and so on.

这是因为粗酶液中同时含有多种酶系，如丙酮酸脱羧酶、醇脱氢酶等。

The objectives of this study are to investigate the cavitation intensity and acoustic pressure for various liquids of pure water, tap water, ethanol, ethylene glycol and tetrachloroethylene.

本研究针对纯水、自来水、乙醇、乙二醇、四氯乙烯及丙酮等四种化学溶液进行超音波音压及空泡强度的调查。

Due to their applications in magnetic, optical, electronic and catalyst, polynuclear lanthanide clusters are of importance. In this part, a series of nanowheel-shaped nonanuclear lanthanide clusters,〓〓(Ln=Sm~Tm; BA=benzoylacetone), were prepared and characterized. Each complex can exist in three phases, i. e., cubic, tetragonal and triclinic.

本论文第二部分在醇溶液中以三乙胺调变溶液pH，利用β-二酮配位方式的灵活性成功地构筑了一系列结构稳定、纳米尺度轮状的九核稀土配合物〓〓（Ln=Sm~Tm；BA=苯甲酰丙酮），并在不同溶剂中重结晶分别得到了三斜、四方以及立方三种晶型的晶体。

In addition, there were also some special aromatic substances such as 1-nonanol, hexanoic acid 2-hexenyl ester, propanoic acid 2-hexenyl ester, butanioc acid 3-hexenyl estertrans-2-hexenyl valerate, theaspirane, gerenylacetone, methyl benzoate and ethyl benzoate.

此外还含有一些少量的1-壬醇、己酸－2-己烯酯、丙酸－反－2-己烯酯、丁酸－反－3-己烯酯、戊酸－反－2-己烯酯、茶螺烷、香叶基丙酮、苯甲酸甲酯、苯甲酸乙酯和乙酸辛酯等。

The acetalization and ketalization of various aldehydes and ketones with glycerol by using KHSO4 as catalyst were studied. Effect of reaction time, mole ratio of reactants and amount of catalyst on yield of acetals were investigated.

研究了在KHSO4催化下，丙三醇与环己酮、丁酮、丙酮、丙醛、丁醛、异丁醛、戊醛、异戊醛、正辛醛、二苯甲酮、苯甲醛等十余种醛的缩合反应。

The acetalization and ketalization of various aldehydes and ketones with glycols using FeCl3 as catalyst were studied. The effects of reaction time, mole ratio of reactants and amount of catalyst on the yield of acetals were investigated.

研究了在FeCl3催化下，乙二醇与环己酮、丁酮、丙酮、丙醛、丁醛、异丁醛、戊醛、异戊醛、正辛醛、二苯甲酮、苯甲醛等十余种醛的缩合反应。

The role of the solvents played in the reaction process was explored, which showed that acetylacetone was the reductant while ethylene glycol was performed as a ligand of Cu〓 as well as a"soft template" for the anisotropic growth of CuCl.

对溶剂在反应过程中所起的作用进行了深入研究，发现乙酰丙酮为还原剂，乙二醇即作配体又是CuCl晶体各向异性生长的&软模板&。

Under the optimum reaction conditions,:benzalacetone:Ru:KOH=1000:1:20, 2 MPa, 30℃, and 2h, the conversion and the selectivity toward the unsaturated alcohol was reached 99% and 99%, respectively, and the ee value of unsaturated alcohol was over 58.9%.

在优化的反应条件下，苄叉丙酮加氢反应的转化率大于99％，生成α，β-不饱和醇的选择性大于99％、对映选择性达到了58％ee以上。

Its structure was characterized by FT-IR, 1H NMR and MS. Solubility data of betulin and 3, 28-di-O-glutaryl-betulin in acetone, ethanol, water and phosphate-buffered saline (PBS, pH value 7.4) were determined by equilibrium method.

采用FT-IR、1H NMR和MS对产物进行结构表征，并且选用平衡法测定了桦木醇和桦木醇戊二酸酯在丙酮、无水乙醇、水和磷酸盐缓冲溶液（PBS， pH值7.4，）等不同溶剂中的溶解度。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。