丁酸

II. construction scale: annual treatment capacity of 15 thousand tons castor seeds to extract 7 thousand tons oil, annual yield of 7 thousand tons methyl ricinoleate, 2 thousand tons nylon 11 and 3.5 thousand tons castor oil fatty alcohol; along with the following by-products: 1.4 thousand tons medicinal glycerol, and 5 thousand tons of heptaldehyde alcohol, mono-octyl sebacate and dibutyl sebacate respectively.

二、项目建设规模：年处理l.5万吨蓖麻籽、榨油0.7万吨、年产蓖麻酸甲酯0.7万吨、0.2万吨尼龙11和0.35万吨蓖麻油脂肪醇；副产品药用甘油0.14万吨、庚醛醇、癸二酸辛酯和癸二酸二丁酯各0.5万吨。

A Simple titanium resource and a soft preparation method is very important in the preparation of titania, hydrogen titanium oxide hydrate and sodium...

本文以无水乙醇作为溶剂，以钛酸四丁脂为钛源，采用溶剂热法制备氧化钛纳米粒子、钛酸纳米管，讨论了产品的形成机理。

Experimental wastewater was composed of glucose and potassium sorbate wastewater.

废水的组成包括丁烯醛、山梨酸、山梨酸钾以及生产过程的载液、丙酮、醋酸、乙醇、甲醇等。

The mortality of mice from tartar emetic was observed after concomitant injections of 5 testing drugs (procaine-HCl, sodium phenyl acetate, sodium αα'-dimercaptoadipate, sodium mercaptosuccinate and sodium thiosulfate).

二普鲁卡因、苯乙酸钠、aa′-二巯基己二酸钠及巯基丁二酸钠能使小鼠腹腔注射吐酒石急性及亚急性中毒死亡率明显地减低，而硫代硫酸钠则无效。

They were identified as 3-imino-N-(α-imidoethylamino)butyrolactam and neononane tetracid, respectively. The antitumoral activity on liver tumor cells SMMC-7721 was determined in vitro.

根据化合物的理化、谱学性质及X-射线晶体衍射分析结果，确定2个羧酸衍生物类化合物为3-亚胺基-N-丁内酰胺和新壬四酸。

Polyurethane emulsion leather paint agent is prepared from α,α-dimethylolpropionie acid, polytetramethylene glycol and tolyl diisocyanate.

聚氨酯乳液皮革涂饰剂是由α，α-双羟甲基丙酸、聚丁二醇与甲苯二异氰酸酯加成制得的。

The excess of ethyl orthosilicate should render the chain terminal unreactive toward the crosslinking...

降解是由于水在二月桂酸二丁基锡酯或它的水解产物月桂酸催化下使聚二甲基硅氧烷主链的Si—O—Si键水解所引起的。

RESULTS:In the case of ambient temperature cefoxitin with etamsylate is in compatibility steady-state both in compatible content and outward stability (P＞0.05) within 6h;cefoxitin with aminomethylbenzoic acid or adrenochromazone is in compatibility steady-state (P＞0.05) within 4h;cefoxitin with aminocaproic acid varies in compatible content (P＜0.05) after 4h.

结果：在室温条件下，头孢西丁与酚磺乙胺在0～6 h内含量(P＞0.05)和外观稳定，但pH值有变化(P＜0.05)；与氨甲苯酸、安络血在0～4 h内稳定(P＞0.05)；与氨基己酸配伍有变化(4 h后P＜0.05)。

The metabolites were mainly aldehydes and acids when the level of inoculation was 10~9cfu/ml, however, alcohols, acids and esters were produced when the level of inoculation was 10~8cfu/ml. The optimal temperature and pH for production of 3-methyl butanal were 40℃ and 7.0, but NaCl and NaNO_2 inhibited its production.

接种量不同会导致代谢BCAA的产物不同：接种量为10~9 cfu/ml时生成相应的醛和酸；接种量为10~8 cfu/ml时生成相应的醇、酸和酯。S52菌株在40℃，pH 7.0，无亚硝酸盐和NaCl的情况下产3-甲基丁醛的量最多。

To explore their catalytical capability, the esterification of phenyl formate and 1-butanol was chosen. It is found that the esterification yield exceeds 80%, which demonstrates the heteropoly acid has higher catalytic activity.

为了探索所得杂多酸的催化性能，考察了H_4PMo_(11)VO_(40)对苯甲酸和正丁醇酯化反应的催化效果，发现在最佳条件下酯收率达到80％多，证明其为一种较好的酸催化剂。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。