内酯酸的

Sahghai Institute of Plant Physiology and Ecology, Chinese Academy of Sciences, Shanghai 200032, China Abstract: Carboxylesterases are a group of related enzymes that catalyze the hydrolysis of a vast number of ester-containing endogenous and exogenous compounds.

中国科学院上海生理生态研究所，上海 200025 摘要：羧酸酯酶水解众多内源和外源含酯的化合物。

The approach of preparation method is that, first, blend yttria into hot aquafortis, add silicone grease chemical compound after reaction, cool it to form gel. Second, heat the gel for 1-48 hours to acquire solid fruitage. Third, igloss the fruitage in reducing gas for 1-48 hours. Forth, add anorg and then igloss it in reducing gas for 1-48 hours in the temperature between 800-1600 degree.

它的制备方法，包括以下步骤：1将氧化钇溶入热浓硝酸中，反应后加入硅酯类化合物，恒温形成凝胶；2凝胶加热1-48小时，得到固相产物；3在还原气氛中灼烧1-48小时；4加入无机盐，在800-1600℃范围内，还原气氛中灼烧1-48小时；5稀酸洗涤，干燥后得到稀土激活Y2SiO5荧光粉。

The patient was treated with quadruple therapy including fk506, myco phenolate mofeti and prednisone.

对1例ⅱ型糖尿病胰岛素依赖期合并尿毒症的患者施行肠内引流式胰肾联合移植术，术后应用他克莫司（fk506）、霉酚酸酯、皮质激素三联免疫治疗。

Assulta and the induction of GST activity by nicotine and capsicine in H. assulta provided partial supports for the hypothesis that diet breadth was governed by detoxification abilities. The results also indicated that two sibling species had different strategies of adaptation to toxic substances: H. assulta saves expenditure of nutrients and energy by restricting their countermeasures to a few potentially toxic compounds. H. armigera, by contrast, must be prepared to counter a wider range of potential toxins. 5. Compared with parental species, hybrids of reciprocal hybridization had significant difference in feeding preference for hot pepper.

结果显示，广食性的棉铃虫在中肠羧酸酯酶和谷胱甘肽-S-转移酶活性方面高于寡食性的烟青虫，但烟青虫谷胱甘肽-S-转移酶活性可以被寄主植物内的烟碱和辣椒素所诱导，表明解毒酶活性在一定程度上影响着植食性昆虫的食性广度；同时也暗示着二近缘种对有毒的次生物质采取不同的适应策略：烟青虫有选择地对付种类较少的植物次生物质以减轻营养和能量的消耗；棉铃虫则必须对付存在于其寄主植物内的种类繁多的有毒次生物质。

A method for determination of Secoisolariciresonol diglucoside, secoisolariciresinol, enterolactone and enterodiol in serum by LC/MS/MS was established. In this method,β-Glucuronidase was used to hydrolyze the serum samples, the electrospray ionization sourse and negative ion MRM scan were employed.

本实验用β葡萄糖醛酸苷酶酶解血清样品，采用电喷雾离子源，负离子MRM扫描，建立了血清中司可异罗叶松甘油二酯、司可异罗叶松酯素、肠内二醇、肠内脂的IC/MS/MS分析方法。

Purpose: The aim was to determine the ethyl linolenate in Bombyx mori oil ethyl linolenate by Gas Chromatography.

目的：用气相色谱内标法测定蛹油α-亚麻酸乙酯制剂中α-亚麻酸乙酯的含量。

It was found that this pathway did not involve an orthoester intermediate, as has been reported to form in other intramolecular reactions between epoxy and ester moieties.

有人认为，这通路不涉及一个酸酯中间，如据报道，在其他形式的分子内反应与环氧酯基。

Cellulose acetate butyrate,which is widely applied as coatings additive, is synthesized in the heterogeneous system. The activation is required because of the strong hydrogen intramolecular and intermolecular bondings and the regulation of the crystalline region in cellulose microfibrils.

中文摘要纤维素醋酸丁酸酯（Cellulose acetate butyrate是一种广泛应用于涂料工业的添加剂，由于纤维素具有分子内与分子间强氢键作用以及纤维素纤维的局部规整的结晶序列等特征，一般纤维素在酯化反应前都需要进行预活化处理，工业上纤维素醋酸丁酸酯的合成方法一般都在非均相体系中进行的。

In order to get the safe, non-leak, minitype and superthin capacitor, electric double layer capacitors of PAN-based gel polymer electrolytes by in-situ polymerization were prepared. In this EDLC, PC and EC were used as plasticizer, LiClO4 was used as the supporting electrolyte and activated carbons with the specific surface areas of 1000m2/g and 2600m2/g, respectively, as the electrode materials.

为了得到安全、无泄漏、微型、超薄型的双电层电容器，采用内聚合方法制得聚丙烯腈基凝胶聚合物电解质双电层电容器，电解质的增塑剂为碳酸丙烯酯和碳酸乙烯酯，支持电解质为高氯酸锂，电极材料分别为比表面积1000m2/g 和2600m2/g 的活性炭。

In this report, half-esterification between these pendent hydroxyl groups of hydroxyl-PU and maleic anhydride could lead to new pendent groups, carboxylic groups. These highly polar carboxylic groups in the side chain of PU could play the role of internal emulsifier. They had self-dissociation ability in the water or were neutralized first by appropriate amount of base. Then, PU bearing carboxylic group could dispersed steadily in the water, named aqueous-based polyurethane dispersion.

在本论文中，利用原来亲油性Hydroxyl PU主链段上悬挂的羟基经由与琥珀酸酐的半酯化(Half-esterification Reaction)反应后，使PU在侧链上悬挂具有强极性的羧酸基，其可作为聚胺酯分子中的内乳化剂，羧酸基能在水相中自身解离产生离子或加入适量碱使之中合，使聚氨酯高分子能够稳定分散於水中，即所谓水性PU分散液(Aqueous-based Polyurethane Dispersion)。

In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国，慢性酒精中毒，肝炎是最常见的。

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如果有任何问题，你可以随时联系我。