二酸的

The results of clinical assessment showed that levosimendan was safe and effective which could improve the prognosis of the patients and kept normal blood kinetics. By improving the reported synthetic route, levosimendan was synthesized from acetanilide via eight steps of reaction.

本论文探索了左西孟旦的合成路线，对文献报道的合成工艺进行了合理有效的改进，以乙酰苯胺为原料，最终经Friedel-Crafts反应，羰基α-位溴代，丙二酸二乙酯缩合，水解，脱羧，环合，拆分及重氮化加成等八步反应合成了左西孟旦。

A new collector with chelate-ability,diphenyl α-(3-phenylthioureido) alkanephosphonate,is synthesized,and the collecting performance for cerussite ,calcite and quartz,and the relationship between property and structure are investigated, and the depressor function of pyrogallic acid are also studied.

合成具有螯合性能的新型捕收剂———-α(3-苯基硫脲基)烃基膦酸二苯酯，研究该系列化合物对白铅矿、方解石和石英的捕收能力以及结构和性能的关系，并考查焦性末食子酸的抑制作用。

Separation of them and synthesis, biological activities of their derivatives are of great signfication in development of advanced-processed products of resin.In this paper, Abietic acid with 90.9% and 97.5% purity were obtained using A amine salt method and B amine salt method for the first time.

本文提出两种提纯高纯度枞酸的新方法，即A胺盐法和B胺盐法，A胺和B胺均为自制品，通过A胺盐法和B胺盐法可分别得到纯度为90.9%和97.5%的高纯度枞酸，成本仅为文献报道常用的二戊胺盐法成本的1/5和1/3。

In the second part, the first example of Lewis acid catalyzed 1, 3-cycloaddition between nitrones and alkylidene malonates was developed by using trisoxazoline 63 and Co〓.

催化剂的用量可降至1-2mol％。在论文的第二部分，我们首次研究了Lewis酸催化的硝酮与丙二酸酯类衍生物的1，3-偶极加成反应。

The surface pressure-area per molecule isotherm of 0.001molL^(-1) arachidic acid chloroformic solution at the air/liquid interface of pure water has been measured, and dynamic domains morphology of AA monolayer has been investigated via Brewster angle microscopy.

测定了花生酸的氯仿溶液在二次蒸馏水气／夜界面的单分子膜的表面张力与单分子面积的等温线，用布儒斯特角显微镜原位监测了花生酸分子成膜过程中单分子膜区域形貌的动态变化。

The results show sheafing strength of wood glued-product produced by adhesive prepared with the optimal formulation of six starch-based API wood adhesive can completely meet requirement of JIS K6806 and each property indices of adhesive satisfy demand for the practical process technology.

其次，以复合变性玉米淀粉、乙二酸、聚乙烯醇、P-MDI为影响因素，按照日本JIS K6806标准中关于水性高分子-异氰酸酯木材胶粘剂胶接木材时的不同耐水性要求，通过正交试验，分别优化出Ⅰ型、Ⅱ型中Ⅰ、Ⅱ类的常态胶接、热水浸渍、反复煮沸胶接强度的六种淀粉基API的配方，并在对实验结果进行了验证性试验的基础上，进行了工业化生产试验。

In the second part, we discuss the mechanism and factors of deposit-tion forming. The factors are temperature, rate of titrating the sulphurc acid, rate of stiring, consistency of sulphuric acid and consistency of sodium hydroxide.

接下来本文探讨了沉淀的形成机理和沉淀形成时影响沉淀纯度的因素，并确定了碱减量废水中回收对苯二甲酸的影响因素为温度、加酸速度、搅拌、加入的酸浓度、废水的碱度。

The paper studied the semi-industrial test of extracting Vanadium pentoxide by the pelletization-rotary kiln roasting-low acid leaching-ion exchange technology from the Vanadium-containing kaolin.

对含钒高岭土进行了制粒-回转窑焙烧-低酸浸出-离子交换提取五氧化二钒的半工业试验，试验结果表明，回转窑焙烧过程钒的转化率达到74%以上，全流程五氧化二钒回收率达到71.82%，产品质量达到国家标准GB3283-87要求。

Densities of glycine in glucose-water and sucrose-water mixed solvents have been measured to 298.15 K by an oscillating-tube densimeter. Apparent molar volumes, limiting partial molar volumes and number of hydration of glycine have been calculated. The transfer volumes from water to sugar-water mixtures have been obtained and discussed in terms of the structural hydration interaction model.

利用精密数字密度计测定了甘氨酸与不同组成葡萄糖-水、蔗糖、水混合溶剂构成的三元系溶液的密度，计算了甘氨酸的表观摩尔体积、极限偏摩尔体积和理论水化数，根据结构水合作用模型讨论了迁移偏摩尔体积的变化规律，并与乙二醇-水和丙三醇-水等多羟基体系作了比较。

The esterification reaction and itsinfluencing factors of hexanoic acid with n-butanol, catalyzed by lipaseNovozym100T, were studied in water-in-oil microemulsions formed by alkylpolyglucoside C_(12)G_(1.50)/n-butanol/cyclohexane/water system.

研究发现，十二烷基聚葡糖苷C_(12G_(1.50)／正丁醇／环己烷／H_2O体系形成的油包水微乳液中，脂肪酶Novozym100T催化正己酸和正丁醇的酯合成反应，反应初始速率V_0随正己酸的初始浓度C_~0增大而增大；随正丁醇的初始浓度C_~0的增大而减小，后V_0进入一&坪区&。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。