水醇的

Woodson or apocynum venetum Linn as raw material, it utilizes the method of decoction and alcohol sedimentation to remove impurity. After extract is separated by macroporous adsorptive resins, then use polydextran gel LH-20 to purify, obtain isoquercitrin. Compared with the method of traditional silica gel column chromatography, this method has characteristics such as: experiment period is short, dissipation of organic dissolvent is little, yield of produced product is high, and purity coefficient is fine and so on. Isoquercitrin produced by this invention can be provided for medicine research or used as chemistry control article.

Woodson或罗布麻的叶为原料，采用水提醇沉除杂的方法，提取液经大孔吸附树脂分离后再用葡聚糖凝胶LH-20纯化得罗布麻甲素，此法与传统硅胶柱层析的方法相比，具有实验周期短，有机溶媒消耗少，制得的产品得率高和纯度好的特点，本法制得的罗布麻甲素可供药物研究或化学对照品使用。

For the first time, enantiomers of C2-symmetric 1,1 -spirobiindane-7,7'-diol were resolved with crude menthyl chloroformate by phase-transfer catalysis in the presence of tetrabutylammonium bromide. The reaction was carried out at 0℃-rt. The diastereomers of SPINOL bis-menthyl carbonate can be separated by simple crystallization using alcohol. The hydrolysis of the diastereomers was carried out via aqueous NaOH/EtOH solution.

首次通过相转移催化的方法对螺双二氢茚二酚进行了有效的拆分，用L--氯甲酸薄荷醇酯做拆分剂，以四丁基溴化铵为催化剂在0℃-室温下进行酯化反应生成非对映体衍生物，以乙醇作溶剂，通过重结晶的方法分离衍生物，在水-乙醇混合溶剂条件下，用强碱NaOH或KOH分别水解，制得相应的光学纯度大于99%ee的两个异构体SPINOL，其中总收率：--SPINOL，78.2%；--SPINOL，80.6%。

The dielectric relaxation process Ⅲ in higher frequency region, which is composed by the relaxation process based on the reorientation of adsorbed water molecules and relaxation process Ⅰbased on methylol groups, increases with the developing adsorption during moisture adsorption process.

在水分吸着过程中，出现在高频域的由基于吸着水回转取向运动的介电弛豫过程和基于无定形区中伯醇羟基回转取向运动的弛豫过程叠加而成的弛豫过程Ⅲ随着吸着的进行逐渐增大。

By optimizing the LTCVD and graft polymerization conditions, a selective and permeable membrane for dehydration of alcohol was obtained when LTCVD was performed at 175 ℃ with 5 mL of tetraethyl orthosilicate and AA grafting was carried out in solution of 7.5% AA.

通过系统研究气相沉积和接枝反应的主要条件对膜的渗透汽化性能的影响，发现当TEOS用量为5 mL，汽化温度为175 ℃时进行气相沉积，然后在丙烯酸浓度为7.5%的溶液中进行接枝聚合，制得的复合膜对醇水混合物显示了优良的分离性能。

Physicochemistry UV ink performance, it is the process of curing photochemical reaction by the linear structure into a mesh that follows the process, so have the water resistance, high alcohol and ageing resistance, and so many advantages, it is the other various types of beyond ink.

UV墨的物理化学性能优良，它固化的过程是光化学反应由线形结构变为网状结构的过程，所以具有耐水、耐醇、耐磨、耐老化等许多优点，这是其他各种类型的油墨所不及的。

This kind of general structural intercalation complex materials have three obvious characteristics: i Conditions of intercalation reaction are wild in room temperature, water or ethanol solution usually, ii we can process molecule design of host for increasing selectivity to guest molecules in order to prepare general structural intercalation complex materials, iii we can obtain all kinds of applied purpose complex materials by intercalating different functional guests.

这类特殊结构的复合材料具有三个显著特点：第1，制备条件温和，通常在室温、水或醇等溶液中进行；第2，通过对主体分子的设计，提高对客体分子的选择性，可以得到预先设计分子结构的复合材料；第3，通过对一些功能性客体分子进行插层组装，可以得到具有光、电、磁等结构新颖的复合材料。

The results showed that Kaidimycin was chemically neutral, macrocylic polylactones, stable and liable to dissolve into water and pyridine, slight to dissolve into methanol, ethanol and N-butanol, difficult to dissolve into ethyl acetate, acetone, benzene and chloroform. Chemical reaction of functional group of Kaidimycin showed that it had glycoside, amino acid and aldehyde, no reducing sugar, polypeptide and phenol.

凯地菌素属中等极性的、中性抗生素，极性纸层析结果与多烯类抗生素的纸层析结果相似：易溶于水、吡啶，微溶于甲醇、乙醇、正丁醇，不溶于乙酸乙酯、丙酮、苯、三氯化碳；对高温、光照和紫外处理有很好的稳定性；官能团反应试验结果发现，凯地菌素可能含有糖苷键、氨基酸伯氨基和醛基，不含有还原糖、多肽和酚基，高锰酸钾、浓硫酸反应与多烯大环内酯类抗生素的特性相似；并且依据纯品，采用生物法和分光光度法对摇床发酵液进行了效价的测定。

The LD50 of acute toxicity to mice and chronic accumulated toxicity to bandicoots of crude and processed Radix Aristolochice were observated.Intestinal and myokinetic influence of normal and revulsive hyperactive gastrointestinal motility of mice induced by neostigmine were observated by giving aqueous extract and alcoholic extract of crude and processed Radix Aristolochice.Relieving pain and eliminating inflammation to mice also were observated .

采用小鼠急性毒性和大鼠蓄积性毒性方法观察青木香炮制前后对小鼠急性毒性LD50和对大鼠的慢性蓄积性毒性作用；观察了青木香炮制前后的水煎剂和醇提物对正常和新斯的明诱导的胃肠运动机能亢进小鼠肠肌运动的影响；并观察了对小鼠的镇痛和抗炎作用。

The microstructures of composite membranes were studied by XRD and SEM. The thermal stabilities, methanol permeabilities and proton conductivities were investigated. Water uptakes and dimensional stabilities were also studied. The results indicate that amorphous zirconium phosphates are formed in the composite membrane, and have a good combination with the organic phase.

采用扫描电镜观察复合膜的断面形貌；采用热重分析仪研究复合膜的热稳定性；采用气相色谱测量并计算了复合膜的阻醇性；采用交流阻抗法测量复合膜的质子传导率；同时还研究复合膜的吸水率、尺寸稳定性。

TpRu(PPh3)(CH3CN)2PF6 (10mol%) catalyst effected the nucleophilic addition of water,alcohols,aniline, acetylacetone, pyrroles, and dimethyl malonate to unfunctionalized enediynes under suitable conditions (100 °C, 12 24 h) and gave functionalized benzene products in good yields.

TpRu 2PF6 （ 10mol ％）催化剂的影响的亲核加成的水，醇，苯胺，丙酮，吡咯和二甲基丙二酸对unfunctionalized enediynes适当的条件下（ 100 ℃， 12日24小时），并官能苯产品良好的收益。

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。