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- An acyl derivative of hydrazine. 酰肼一种由肼衍生而来的酰
- An example of the acyl group is the acetyl group. 乙酰基是酰基的一个例子。
- Tannase is an acyl hydrolase of tannin. 单宁酶是水解单宁酯键的酶,用途广泛,具有重要的商业价值。
- Methods:EFTA is synthesized from EATA by one step:acyl. 方法:以2-氨基-噻唑基-4-乙酸乙酯(EATA)为原料;经氨基甲酰化反应得到 EFTA.
- Metal salts and Carboxy, keto, aldehyde, acetoacetoxy, complexes phosphonic acid, imine, amino and thio. 金属盐类和羧基,酮,醛,乙酰乙酸,配合膦酸,亚胺,氨基酸和硫代。
- Cyclic carbonate, Amine aldehyde, keto, activated olefinic bond, N-alkoyl, acid, anydride, acid chloride, acetoacetoxy. 环碳酸酯,胺醛,酮,活性烯键的N alkoyl,酸,anydride,酰氯,乙酰乙酸。
- "The keto form predominates in many aldehydes and ketones, the enol form in ph enol s. 在许多醛和酮中酮基都是最主要的组分。
- The paper introduces implication of grignard reagent and application in organic synthesis ,such as,synthesis of alcohol,aldehyde,keto,acid and alkane,etc. 本文介绍了格利雅试剂的含意,格利雅试剂在合成中的主要应用(如:合成醇、醛、酮、酸、烃等)。
- Use of ammonia gas: fertilizer and various ammonia containing compound, various amidogen, acyl and other ammonia containing testing agents (explosives) etc. 氨气用途:化肥和各种含氨化合物。各种胺基、酰基、硝酸和各种含氨制试剂(炸药)等。
- Immunoradioassay was used for the examination of brain cAMP, cGMP, TXB 2 and 6 keto PGF1a(metabolites of TXA 2 and PGI 2) contents. 各组到预定时间后 ,取脑组织匀浆 ,用放免进行环磷酸腺苷 (cAMP)、环磷酸鸟苷(cGMP)与TXB2 及 6 酮 (TXA2 、PGI2 稳定代谢产物 )含量测定 ,并对脑组织匀浆进行蛋白定量。
- The acyl chloride product was fluorinated by potassium fluoride and esterified by methanol to synthesize dimethyl tetrafluoroterephthalate. 以氟化钾为氟化剂,环丁砜为溶剂置换氟化,再与甲醇酯化得到四氟对苯二甲酸甲酯;
- The efectofaddition ofsom e m etalions and keto acids on L-m alic acid ferm entation by im m obilized Aspergillus flavus wasstudied. 研究了某些金属离子和酮酸对固定化黄曲霉发酵L-苹果酸的影响。
- Structure 4 is the reaction intermediate for H2C=C(OH)Na to serve as acyl anion equivalent. H_2C=C(OH)Na具有双重反应性;结构4是发生亲核反应的中间体;发生类卡宾反应时经过类似构型2的中间状态.
- The crosslinking reaction between keto group and hydrazine group was proved by FTIR and TEM (transimission electron microscope) technology. 用傅里叶红外光谱和透射电镜证实了酮羰基与肼基之间发生了交联反应。
- The effects of organic solvents, acyl donors and amounts of lipase on the reaction were studied. 攷察溶剂、酰基供体和加酶量对反应的影响,确定有机相中酶促拆分环氧丙醇的最适反应条件。
- Abstract The crosslinking reaction between the keto group and the hydrazine group was used to prepare the crosslinkable polyurethane/acrylic emulsion. 摘要 文中利用肼基与酮羰基之间的脱水缩和反应制备了丙烯酸树脂交联改性水性聚氨酯乳液。
- Maltose fatty acid ester was prepared with maltose and fatty acyl chloride in the presence of catalyst. 以麦芽糖和脂肪酰氯为原料,制备麦芽糖脂肪脂酸酯。
- In addition, the effect of concentration of acyl chloride on the rate of ammonolysis was very small. 但在反应后期,反应速率呈明显的二级反应特征。
- In the depth of velar, fat acid can enter automaticity acyl to change the thoroughfare of action. 在膜的深处,脂酸能进入自动性酰化作用的通途。
- If iron chela mixture goes the Yi Ke application such as amine of iron careless acyl, with promoting iron excrete. 铁螯合剂如去铁草酰胺等亦可应用,以促进铁的排泄。