氧丙环

The catalyst includes: supported Ziegler-Natta catalyst of titanium halide compound and organic electron donor compound supported with MgCl2 alcoholate carrier; aluminoxane prepared with trialkyl aluminum and water; and one kind of organic electron donor, such as organosilicon compound R2Si(OCH3)2, where R is phenyl, isopropyl, isobutyl or cyclopentyl.

该催化剂包括，a一种负载型的Ziegler-Natta催化剂，即将卤钛化合物和有机给电子体化合物负载在氯化镁醇合物载体上得到的固体催化剂，b一种通过三烷基铝与水反应而制备得到的铝氧烷和c一种有机电子给体，如有机硅化合物R 2 Si(OCH 3 ) 2 ，其中R为苯基、异丙基、异丁基或环戊基。

At present,the main methods to produce epichlorohydrin chlorination are through allyl chloride route at high temperature or allyl alcohol route.

目前，世界上环氧氯丙烷工业的生产方法有两种：氯丙烯高温氯化法和烯丙醇法。

In order to understand the mechanism of anti-inflammatory effect of PA and carvacrol, the superoxide dismutase, glutahoine reductase, glutahoine peroxidase activities in liver and malondialdehyde , cyclooxygenase 2 (COX-2), tumor necrosis factor-α levels were eveluated. Also observed inducible nitric oxide synthase and cyclooxygenase-2 (COX-2) expression and the pathological histology in λ-carrageenan induced paw edema in mice.

本研究首先以醋酸扭体试验评估左手香水抽提物及其活性成分香芹酚是否具有镇痛效果，以福马林舔足试验辨别其镇痛作用是在周边或是中枢，再以λ-角叉菜胶诱导小鼠足跖肿胀试验探讨其抗发炎作用，并分析其肝脏组织中的超氧歧化酶、麸胱甘肽还原酶、麸胱甘肽过氧化酶活性、发炎足跖组织中的脂质过氧化指标产物丙二醛、肿瘤坏死因子-α及环氧化酶-2之含量变化，观察诱导型一氧化氮合成酶及环氧化酶-2之蛋白质表现量，并将肿胀足跖做病理切片观察之，以探讨左手香水抽提物及香芹酚之抗发炎机转。

The Chlorohydrin process produces large amount of wastewater, which results in serious equipment corrosion and environmental pollution.

在修饰的银催化剂上可获得一定的环氧选择性，特别是发现一些经过特殊方法制备的铜催化剂显示丙烯环氧化活性和选择性。

Results: The proportion of Gram-negative bacilli rose obviously, so did the opportunistic pathogen's and Yeasts detected rate. Most drug sensitive tests showed the drug-fast rate turned to be high. Escherichia coli, Salmonella and Citrobacter resistant and so on to fluoroquinolones was 57%~97%. These bacteria to imipenem showed excellent activity. Meticillin-resistant-staphylococcus resistant to ciprofloxacin, norfloxacin, clindamycin, tetracycline, erythromycin, cefazolin and ampicillin were 40.9%, 42.4%, 63.6%, 72.2%, 85.9%, 100.0% and 100.0%, respectively Streptococcus and Enterococcus resistant to major β-lactams-penicillin, aminoglycosides, macrolides, tetracyclines and sulfonamides were between 36.0% to 100.0%.

结果：革兰阴性杆菌比例显著升高，条件致病菌和酵母样真菌检出机会显著增多；药敏结果显示多数临床细菌对常用抗生素的耐药趋势在不断上升；大肠埃希菌、沙门菌和枸橼酸杆菌等革兰阴性杆菌对喹诺酮类药物的耐药率达57%~97%，亚胺培南则对阴性杆菌有较高的敏感覆盖率；耐甲氧西林葡萄球菌对环丙沙星、诺氟沙星、氯洁霉素、四环素、红霉素、头孢唑啉和氨苄西林的耐药率分别为40.9%、42.4%、63.6%、70.2%、85.9%、100.0%和100.0%；链球菌和肠球菌对多数β内酰胺类青霉素、氨基糖苷类、大环内酯类、四环素类以及磺胺类药物均呈高度耐药，耐药率在36%~100%。

To Dec. 2003 years in Yuxi city People's Hospital. RESULTS: The proportion of G－ bacilli were much. The opportunistic pathogen's and Yeasts detected rate rose obviously. Most drug sensitive tests showed the drug-fast rate turned to be high. Escherichia coli, Salmonella and Klebsiella and so on to fluoroquinolones was 50～97.7%. These bacteria to imipenem showed excellent activity. MRS resistant to ciprofloxacin, norfloxacin, clindamycin, tetracycline, erythromycin, gentamycin, trimeth/sulfa and cefazolin were above 50%. Streptococcus resistant to major β-lactams-penicillin, aminoglycosides, macrolides, tetracyclines and sulfonomides were highness.

结果：G－杆菌比例居多，条件致病菌和酵母样真菌检出机会显著增高；药敏结果显示多数临床细菌对常用抗生素的耐药趋势在不断上升；大肠埃希菌、沙门菌和克雷伯菌等G－杆菌对喹诺酮类药物的耐药率在50％～97.7％，亚胺培南则对阴性杆菌有较高的敏感覆盖率；耐甲氧西林葡萄球菌对环丙沙星、诺氟沙星、氯洁霉素、四环素、红霉素、庆大霉素、复方新诺明和头孢唑啉的耐药率均在50％以上，链球菌对多数β内酰胺类青霉素、氨基糖苷类、大环内酯类、四环素类以及磺胺类药物呈高度耐药。

A catalyst composition for the polymerization of propylene comprising one or more Ziegler-Natta procatalyst compositions comprising one or more transition metal compounds and one or more esters of aromatic dicarboxylic acid internal electron donors; one or more aluminum containing cocatalysts; a selectivity control agent comprising at least one silicon containing compound containing at least one C1-10 alkoxy group bonded to a silicon atom, and one or more activity limiting agent compounds comprising one or more aliphatic or cycloaliphatic carboxylic acids; alkyl-, cycloalkyl- or alkyl-ester derivatives thereof; or inertly substituted derivatives of the foregoing.

一种用于丙烯聚合的催化剂组合物，所述催化剂组合物包括：一种或多种齐格勒-纳塔主催化剂组合物，该主催化剂组合物包括一种或多种过渡金属化合物和一种或多种芳族二羧酸酯内部电子给体；一种或多种包含铝的助催化剂；选择性控制剂，该选择性控制剂包括至少一种包含硅的化合物，该化合物包括至少一种与硅原子连接的C 1-10 烷氧基；和一种或多种活性限制剂化合物，该活性限制剂包括一种或多种脂族或脂环族的单或聚羧酸类、其烷基-、环烷基-或烷基-衍生物、或上述惰性取代的衍生物。

But the oxidation of propylene to PO is one of the most challenging subjects in catalyst.

双氧水与丙烯进行环氧化反应合成环氧丙烷，是一种取代氯醇法的清洁生产方法。

Water,cetearyl alcohol,butylene glycol,ceteth-20,glycolic acid,cyclomethicone,citric acid,sodium hydroxide,xanthan gum,lactic acid,phenoxyethanol,sodium citrate,magnesium aluminium silicate,citrus aurantium dulcisoil,disodium edta,pentadecalactone,methylparaben,iris germanica root extract,butylparaben,ethylparaben,propylparaben,silica,chlorhexidine digluconate.citrus aurantium amaraoil,limonene,linalool

水， 棕榈醇，丁二醇，鲸蜡醇聚醚 20，甘醇酸，环甲硅脂，柠檬酸，氢氧化钠，山羊胶，乳酸，苯氧乙醇，柠檬酸钠，硅酸镁铝，甜橙油，乙酸乙二胺二钠，环十五内酯，羟苯甲酯，鸢尾花根萃取，羟苯丁酯，羟苯乙酯，羟苯丙酯，二氧化硅，洗必泰葡萄糖酸盐，苦橙油，柠檬精油，芳樟醇

Propylene epoxidation to propylene epoxide is one of the most important challenges in catalysis because this reaction possesses both industrial significance and academic importance.

中文摘要：丙烯环氧化制环氧丙烷具有重大的工业应用背景和重要的学术意义，开拓该反应的高效催化体系和催化剂是催化领域的最重要的挑战之一。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。