乙二醇

In p - benzoquinone solution with ethylene glycol as solvent,emission lines from PBQH'and R2 were obtained.

实验结果指出，在乙二醇溶液中得到苯半醌自由基和以碳为中心的自由基_2。

The phase diagrams of PEG/phosphate aqueous two-phase systems and the partition properties of BSA in the systems The PEG/phosphate aqueous two-phase system was regarded as the research object, the contents of phosphate and the polyethylene glycol in the system were measured by weighting and freeze-drying method respectively. Two diagrams were successfully drawn, and the characteristics such as binodal curves, tie lines and lever rule of the phase diagrams of the aqueous two-phase systems were described, as well as the achieved phase diagrams were qualitative analyzed with thermodynamics.

本论文以聚乙二醇／磷酸盐双水相系统相图和相分离过程及牛血清清蛋白在双水相系统中的分配特性为研究基础，从探讨超声波对双水相系统组成物质磷酸盐和PEG溶液的作用机理入手，建立了静态环境中双水相萃取过程的相分离数学模型，揭示了超声波对双水相系统组成和溶质分配效率影响的规律。

We studied the effect of water on the palladium acetate-catalyzed coupling reaction of aryl boronic acid with aryl bromide or acyl chloride in ionic liquid or PEG, and found that water had a remarkable rate accelerating effect on the Suzuki reaction and Suzuki-Type reaction when other reaction conditions were uniform.

研究了水对离子液体或聚乙二醇中Pd2催化的卤代苯或苯甲酰氯与苯硼酸的Suzuki和Suzuki-Type偶联反应收率的影响。

Chelator-assisted hydrothermal method for growing ZnO nanopricks ZnO nanopricks were formed while 0.3 mol/L diaminoethane, 3 mol/L butylamine and 0.25 mol/L EDTA were used as chalators to react with zinc foil at 100℃ for 12 h.

络合物水解法制备ZnO球形颗粒利用酒石酸锌的水解反应，在水溶液中制备了由超细颗粒组装的ZnO球形颗粒，XRD、HRTEM检测结果表明颗粒为纤锌矿ZnO多晶结构，在溶液中添加乙二醇，产物的尺寸和分散性得到了改善。

Under the alkalescence condition, because of hydrogen key of formation, cause capillaceous gather B two Chuns occurrence stereoscopic twist knot, thus creation precipitate.

在碱性条件下，由于氢键的形成，导致线状的聚乙二醇发生立体扭结，从而产生沉淀。

There also existed differences in levels among five fresh freshwater water fishes but varigeated caup and catfish in both concentrations of PEG.

目前，采用聚乙二醇沉淀法检测血清免疫复合物被认为是一种简便易行、经济实用和行之有效的研究方法。

Based on the result of orthogonal experiment, theoptimum condition of the esterification reaction of chloroacetic acid with polyethylene glycolwas determined.

采用正交实验法对合成的双氯乙酸聚乙二醇酯的反应工艺条件进行了优化，确定了最佳合成路线。

Three kinds of CHGC conjugates were prepared by controlling the feed ratio of cholesteryl hemisuccinate to glycol chitosan.

通过控制胆固醇半琥珀酸酯与乙二醇壳聚糖的反应投料比例，合成三种不同取代度的聚合物。

The yield is above 92.7% under the optimum conditions. It showed that titanium sulphate doped lanthanum oxide has higher catalytic activity in the synthesis reaction of cinnamaldehyde glycol acetal and the catalyst can be used repeatedly.

证明搀杂了氧化镧的硫酸钛对肉桂醛缩乙二醇的合成反应具有较高的催化活性，并且催化剂可以重复使用。

The two rate equations fitted the experimental data well,as was confirmed by the reaction of bis(4-carboxyphenyl)phenyl phosphine oxide with ethylene glycol under constant reaction temperatures of 180197℃ and at different ratios of diol to diacid,whose rate constant and activation energy were calculated.

将这两个速率方程应用于双苯基氧化膦与乙二醇的恒温自催化聚酯化反应，计算值与实验数据相一致，并计算得到了该反应的速率常数和活化能。

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。