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Synthesis of fatty acid alkylolamide phosphate using cocoanut oil,methanol and monoethanolamide as material.

以椰子油、甲醇和单乙醇胺为原料合成椰子油脂肪酸烷醇酰胺,然后经磷酸化及中和反应制得椰子油脂肪酸烷醇酰胺磷酸酯盐。

LIN Hailin,CUI Yingde,DU Lin,CHEN JianpingInstitute of Applied Chemistry,Zhongkai University of Agriculture and TechnologySuper water absorbent resins P,SA/NaAA,SA/NaAA/PVA and SA/NaAA/AM were synthesized from sodium alginate,acrylic acid,polyvinyl alcoholand acrylamide,with N,N–methylenebisacrylamide as crosslinking agent,(NH4)2S2O8 - NaHSO3 as initiator,by means of aqueous solution polymerization.

以醚化海藻酸钠、聚乙烯醇、丙烯酰胺、丙烯酸为单体,N, N–亚甲基双丙烯酰胺为交联剂,过硫酸铵-亚硫酸氢钠为引发剂,采用水溶液法制备聚丙烯酸钠p吸水树脂和海藻酸钠/丙烯酸钠、海藻酸钠/丙烯酸钠/聚乙烯醇(SA/NaAA/PVA)及海藻酸钠/丙烯酸钠/丙烯酰胺吸水性复合树脂。

A rapid and sensitive flow-injection spectrophotometric method was proposed for the determination of metoclopramide. This method was based on the diazotisation of metoclopramide with sodium nitrite in acidic medium and coupling with α-naphthylamine.

基于在盐酸介质中,利用甲氧氯普胺一亚硝酸钠-α-萘胺的重氮化-偶合反应,建立了流动注射光度法测定甲氧氯普胺的新方法。

According to Griess reaction, diazonium-salts formed from aromatic amines such as sulfonamides etc., react with NaNO_2 in acid medium and may be coupled with α-naphthylamine or diphenylamine to produce red colored compounds.

一按Griess反应芳香族胺类的重氮化鹽,如对氨基苯磺醯胺类药物等,在酸性溶液中皆能与α-萘胺或二苯胺分别偶合成偶氮色素而显紅色,过多之亞硝酸可与氮色素再作用使紅色消失而呈棕黄色。

He main action of TTFD is due to the phosphorylation of the intracellular free thiamin to form thiamin pyrophosphate and thiamin triphosphate, thus catalyzing energy metabolism.

TFD 的主要功能来自于细胞内自由硫胺的磷酸化以形成硫胺磷酸盐和硫胺三磷酸盐,因此能促进能量新陈代谢。

Furthermore, through molecular structural design, we have also synthesized stable dual functional diphenylether polymer intermediates of ABB' types possessing ortho-dicarboxylic at one aromatic ring and diamine groups at another beginning from Xylenol and 1-Chloro-3,4-dinitrobenzene as the raw materials.

中文摘要本研究应用自氧化法与氢化法两反应,成功而有劾地制备出芳香族含酸酐及二胺基之官能基单体,并进一步经由分子结构设计,从3,4-二甲苯酚及1-氯-3,4-二硝基苯为原料,转化合成出安定性高带有羧基与双胺基双官能基之堑新ABB'型二苯醚中间体,并成功地应用此中间体从事自聚合反应,而合成分歧状聚醚亚醯胺高分子。

Acylamino compounds from AD were synthesized by cleavage of A-ring through NaIO4/KMnO4 oxidation, ring closure by amination, oximation with hydroxylaminechloride in C-17 position, and reduction of oxime in C-17 position and substitution with substituted acylchloride and carboxylic acids.

本文以AD为起始原料,经过NaIO4/KMnO4氧化裂解、胺解环合、羟氨肟化反应,在甾体17位形成肟,并将肟还原成胺,与取代酰氯和有机羧酸反应,合成了15个酰胺化合物。

The glutamine synthetase produced by the engineering bacteria can specially act on NH4 and aminoglutaric acid, the durability to the high concentration ammonium ion has been distinctively improved because of the dissolution of adenosine acylation modification, the major bottleneck of glutamine with enzymatical production has been solved, and the concentration of the obtained glutamine can reach 47.6g/L.

本发明工程菌产的谷氨酰胺合成酶可专一性的作用于NH 4 和谷氨酸,且因解除了腺苷酰化修饰作用对高浓度铵离子的耐受能力显著提高,解决了酶法生产谷氨酰胺的重要瓶颈,生成的谷氨酰胺的浓度最高达到47.6g/L。

One synthetic strategy started fromγ-butyrolactone 38, from which a cyclohexadiene intermediate 30 was prepared in an overall yield of 44% in a 7-step procedure after y-butyrolactone underwent a-bromination, dehydrobromination, Diels-Alder reaction, aminolysis, benzylation, bromination and dehydrobromination, with the key step being the Diels-Alder reaction under harsh condition.

其中一个路线从γ-丁内酯38开始,连续经过α-溴化、脱溴化氢、Diels-Alder反应、胺解、苄基化、溴化和脱溴化氢共7步反应,制备了一个环己二烯衍生物30,总产率44%,关键步骤是高温高压下Diels-Alder反应。

Ketoheptamethylenimine was prepared by one-pot reaction of cycloheptanone with concentrated sulfuric acid. In this step, oximation and rearrangement occurred .

制备庚内酰胺时,我们采用了&一锅反应&的方法,环庚酮、浓硫酸和硫酸羟胺混合在一起,经过肟化、重排一次得到庚内酰胺。

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

这两个团体间的分歧难以掩饰。

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