戊醇

Dicyclopentadiene dioxide was hardly cured by amines or acid anhydrides alone, but can be well cured by acid anhydrides mixed with alcohols.

二氧化双环戊二烯难于被胺或单独的酸酐所固化，但能很好的被酸酐与醇所固化。

Tebuconazole and metconazole have been proven to be ideal fungicides for protection and cure of Fusarium head blight of wheat in this studies.

通过室内和田间药效试验，研究了新型三唑类杀菌剂戊唑醇与羟菌唑对小麦赤霉病的防治效果。

MethodsPolyprenols separated and purified from ginkgobiloba L were administered alone and in combination with 5 Fu,CTX and PDD,and in contrast with 5 Fu,CTX and PDD alone,the experiments were carried out on mouse transplanted Heps and EC.

方法从银杏叶中分离纯化聚戊烯醇，分别与氟脲嘧啶(5 Fu)、环磷酰胺和顺铂联合应用，对移植性Heps和EC荷瘤小鼠进行抑瘤实验，并与 5 Fu、CTX和PDD单独用药比较。

OBJECTIVE To extract the polyprenol homologues from Ginkgo biloba leaves and optimize the separation process.

目的从银杏叶中提取聚戊烯醇同系物并对其提取工艺进行优化。

In order to reveal the the characteristics of the synergistic and antagonistic mixtures on fungicide, that article through the tests of mycelial growth rate,going on the determination of the synergies of the partners of Thiram and Tebuconazole to Fusarium graminearum.

为了揭示药剂组合产生增效与拮抗的特性，本文通过菌丝生长速率法，进行了福美双与戊唑醇药剂组合对小麦赤霉病菌的协同增效作用测定。

Oil-containing poly microcapsules were prepared by simple coacervation followed by the chemical cross-linking of coacervated PVA membrane with glutaric aldehyde through phase separation method.

本实验使用聚乙烯醇Poly为壳材，以香精油为核材，利用相分离原理，以简单凝胶法，以戊二醛为交联剂进行微胶囊包覆。

The result will provide afundamental basis for industrial design.Firstly,based on the assumptions that the reaction generating mono-ester was controlled by the solution rate of pentaerythritol,that di-ester conversed to tri-ester rapidly and that all the reverse reactions and side reactions were omitted,the equations of reaction kinetics were obtained.

具体工作如下：(1)基于生成一酯的反应受季戊四醇溶解速率控制、二酯迅速转化为三酯和忽略所有逆反应及其它副反应的假设基础上，建立了酯交换反应的反应动力学方程，获得了不同温度下的动力学常数和速率常数的指前因子及活化能。

It is shown that the crystallinity and melting point of copolyesters decreased with increasing content of terephthalic acid or neopentyl glycol respectively, but its heat-resistant properties are obviously enhanced.

结果表明：共聚酯的结晶度和熔点随着体系中对苯二甲酸或新戊二醇的含量增加而下降，而耐热性能则明显提高。

ABSTRACT: In the presence of sodium t-butoxide and DMSO,ethyl 2-oxocyclopentanecarboxylate was subjected to C-alkylation with 2-(4-bromomethylphenyl)propanoic acid with high regioselectivity to give 2-［4-(1-ethoxycarbonyl-2-oxo-1-cyclopentanylmethyl)phenyl］propanoic acid (4) which was followed by hydrolysis,decarboxylation and salt formation to afford loxoprofen sodium in about 72% overall yield.

在叔丁醇钠和二甲基亚砜的存在下，2-丙酸对2-乙氧羰基环戊酮进行C-烷基化，再经水解脱羧，成盐即得洛索洛芬钠，以2-丙酸计算，总收率为72%。

Using ferric chloride, aluminum chloride and cupric chloride as catalytics in the synthesis of isoamyl formate,acetate and propionate.

本文分别用氯化铁、氯化铝和氯化铜催化合成甲、乙、丙酸异戊酯，实验证明氯化铁、氯化铝有较高催化活性，对五个碳以下的有机酸和醇的酯化活性较高，并对其机理进行了探讨。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。