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amino nitrogen相关的网络例句

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与 amino nitrogen 相关的网络例句 [注:此内容来源于网络,仅供参考]

The obtained compound (2) was treated with borane-tetrahydrofuran (B2H6–THF) complex under nitrogen atmosphere in excessive THF for 18 h to give a kind of dark brown oil,followed by ammonolysis with NH3·H2O in autoclave at 100 ℃ for 6 h to produce 2-(5-amino-2- nitrophenyl) ethanol (3) in 84.4% yield.

用硼烷还原5-氟-2-硝基苯乙酸后,接着用氨水在高压釜中加热到100 ℃氨解,得到2-(5-氨基-2-硝基苯)乙醇(84.4%)。

Asparagine can later be broken down and the nitrogen used in amino acid synthesis.

天冬酰胺此后分解,氮在氨基酸的合成中被使用。

Production of amino acids is linked to the assimilation of nitrogen by the plant.

氨基酸的合成与植物的同化作用有关。

By measuring and analyzing the total nitrogen,α-amino nitro- gen and component,the effect of high pressure on the autolysis of anchovy,and the effect of salt addition as well as enzyme added on the high pressure hydrolysis were investigated.

以水解液总氮含量、α-氨基氮及游离氨基酸组成成分等为指标,研究了超高压在鳀鱼自身降解过程中所起的作用,同时讨论了超高压下添加盐、外源酶对超高压作用效果的影响。

The research results indicated that the best base was KOH, the best acid was H3PO4 and their neutralizing products were the necessary nutrients for foliar fertilizer; 12.4 L of foliar fertilizer were obtained in per kg of shrimp offal, chitin was obtained in 13.8% yield, crude protein was obtained in 23.2% yield using this method; This multifuctional foliar fertilizer was an abundant nutritional multifunctional foliar fertilizer which contained 15 kinds of amino acids, shimp cephalin, astacein and many trace elements. The concentration of calcium was 38.9 mg/L, the concentration of magnesium was 55.4 mg/L, the concentration of potassium was 20.0 g/L, the concentration of nitrogen was 4.5 g/L and the concentration of phosphorus was

研究结果表明:(1)处理虾下脚料的最佳碱是KOH,最佳酸是H3PO4,其中和产物是叶面肥必需的营养素;(2)本工艺不仅每Kg虾下脚料可制备虾叶面肥12.4L,而且可回收13.8%甲壳素和23.2%粗蛋白质;(3)经分析测定虾叶面肥中,含钙(Ca2+)38.9 mg/L,含镁(Mg2+)55.4 mg/L,含钾20.0 g/L,含氮4.5 g/L,含磷 78.9 g/L,还含有15种氨基酸及虾脑磷脂、虾红素及多种微量元素等,是一种营养丰富的多功能叶面肥。

In deamination, the nitrogen-containing amino portion of the molecules is removed.

在脱氨作用中,分子含氨基的部分被移去。

A series of diazonium salts of 4-(N-methyl-N-phenylamino)-3-amino-1,8-naphthalic anhydride 5a, its naphthalimide derivative 5b, and 5e were designed and synthesized,and it was the first time to discover that aromatic radical-induced intramolecular aromatic 1, 5-hydrogen transfer was also involved in the nitrogen-contianed system during Pschorr cyclization.

实验设计合成了4--3-氨基-1,8-萘酐的重氮盐5a、其衍生物N-丁基-4--3-氨基-1,8-萘酰亚胺的重氮盐5b和N--4--3-氨基-1,8-萘酰亚胺的重氮盐5c,并首次发现了通过普朔尔环化反应以氮甲基化的氮为桥原子的体系存在着芳香自由基诱导的芳香1,5-氢转移。

Protein is mainly made of amino acids, its nitrogen content is generally not more than 30%%, while nitrogen content as per melamine molecular formula amounts to 66%%.

蛋白质主要由氨基酸组成,含氮量一般不超过30%%,而三聚氰胺的分子式含氮量达到66%。

Water-soluble nitrogen, amino acids,total volatile basic nitrogen,peroxide value, vitamin C consumption and KMnO4 consumption were detected, no significant changes were observed except the color which was light brown on the s.

检测了肫片辐照前后的感官性状、水溶性含氮物、游离氨基酸、挥发性盐基总氮、过氧化值、抗坏血酸消耗量和KMnO4消耗量,除肫片表面发生轻微褐变之外,未发现辐照对上述各项指标有显著性影响,证实了辐照处理肫片用于提高卫生质量和延长保质期是可行的。

Such compositions comprise at least one textile-cleaning surfactant; droplets of miscible silicones comprising both a polarly-functionalized, preferably nitrogen-containing amino or ammonium functionalized, polysiloxane component and a nitrogen-free non-functionalized or non-polarly-functionalized polysiloxane component; and a perfume component comprising fragrant aldehydes and/or ketones or a pro-perfume capable of providing such aldheyde and/or ketone perfume materials in situ.

这些组合物包含至少一种纺织品清洁表面活性剂;可混溶硅氧烷液滴,所述可混溶硅氧烷液滴不仅包含极性官能化的聚硅氧烷组分,优选含氮的氨基或铵官能化的聚硅氧烷组分,而且还包含不含氮的非官能化的或非极性官能化的聚硅氧烷组分;和包含芳香醛和/或酮的香料组分或能够就地提供这些醛和/或酮香料物质的前香料。

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