查询词典 amino nitrogen

Amino-2-methylpropanol was used as the chemical modifying reagent of fatty acids to modify the carboxyl group into nitrogen-containing heterocycle which would effectively prevent the migration of carbon double bonds of the alkenyl in the electron impact source.

以2-氨基－2-甲基－丙醇为脂肪酸的化学修饰试剂，气相色谱－电子轰击质谱分析葵子油脂肪酸。2-氨基－2-甲基－丙醇将脂肪酸羧基修改为含氮杂环，使在EI源中避免了链烯基中碳碳双键的移动。

Amino-2-methylpropanol was utilized as a chemical modifying reagent to modify carboxyl groups in unsaturated fatty acids into nitrogen-containing heterocycles, which effectively suppressed the migration of double bonds of the alkenyl within the electron impact source and led to regular informative mass spectra indicative of the position of the olefinic bonds in the chain.

以2-氨基－2-甲基丙醇为脂肪酸的化学修饰试剂，将不饱和脂肪酸羧基化学修饰试剂，将不饱合脂肪酸羧基化学修饰成含氮杂环，从而避免了链烯基中碳碳双键在EI源中的移动，并使质谱呈现显示双键位置的规范信息。

According to molecular design, an inter-molecular-coordination borate eater containing nitrogen as coupling a-gent was synthesized. There are two reactive groups, amino and butoxy in the borate ester molecule.

中文文摘］通过分子结构设计，合成了一种氮-硼内配位结构的硼酸酯偶联剂，解决了硼酸酯水解稳定性差的问题，同时分子结构中含有氨基、丁氧基等活性基团。

The use of benzazepin-N-acetic acid derivatives which contain an oxo group in the a position to the nitrogen atom and are substituted in the 3 position by a 1--cyclopentyl-carbonyl-amino radical, and of their salts and biolabile esters, for the prophylaxis and/or treatment of heart damage caused by cardiotoxic doses of medicaments or chemicals, in larger mammals and in particular humans.

本发明涉及苯并氮杂∴－N－乙酸衍生物及其盐和生物不稳定的酯的应用，其中苯并氮杂∴－N－乙酸衍生物在氮原子的α位置含有氧代基，且在3－位置上被1－－环戊基－羰基－氨基残基取代，用于预防和/或治疗大的哺乳动物和特别是人体的心脏损伤，其中心脏损伤是由心脏中毒剂量的药物或化学品引起的。

Smashed yak bone paste was subjected to the fermentation by Lactobacillus bulgarian or the enzymolysis by trypsinase,dispase or caroid,respectively,followed by the determination of dissociative calcium(Ca2+) content,amino acid nitrogen content and pH.

用保加利亚乳酸杆菌发酵和用胰蛋白酶、中性蛋白酶、木瓜蛋白酶酶解超微粉碎牦牛骨泥，测定骨泥中的游离钙(Ca2+)、氨基酸态氮含量和pH值的变化。

Cyanophycin has another valuable component: the amino acid arginine, which improves animal health when added to feed and reduces the level of nitrogen in urine.

蓝细菌中还有另外一种有价值的成分――精氨酸。向饲料中添加精氨酸后能够增强动物体质，减少动物尿液中的含氮量。

Therefore can pass to use the cupric sulfate sulfuric acid potassium for the catalyst take sulfuric acid as to carry the body to digest it, make the amino acids chelate match the conversion for dissolve sex easily of ammonium sulfate and white vitriol, then absorb a fixed amount to try the kind to join 40% sodium hydroside combine under the steam heat function make ammonia the spirit swims to leave out, through cool off to respond the born boric acid with boric acid, be got the total nitrogen content by the standard aqua titration of hydrochloric acid immediately after;But the white vitriol can immediately join the hydrochloric acid hydroxylate , fluoride to turn the in order to cover up, carry on the titration but get the content of its zinc with the EDTA mark liquid..

因此可以通过用硫酸铜硫酸钾为催化剂以硫酸为载体将其消化，使氨基酸螯合锌转化为易溶性的硫酸铵和硫酸锌，然后吸取一定量的试样加入40 %的氢氧化钠并在水蒸气高温作用下使氨气游离出来，经冷却与硼酸反应生成硼酸铵，接着由盐酸标准溶液滴定得到总氮含量；而硫酸锌即可加入盐酸羟铵、氟化氢铵为掩蔽剂，用EDTA标液进行滴定而得到其锌的含量。

If the nitrogen of these imino acids is involved in the peptide bond, the adjacent amino acid side chains are cis instead of showing the usual trans configuration, resulting in destabilization of an α- helix.

如果这些亚氨基酸中的氮进入肽链，那么邻近的氨基酸侧链是顺式的而不表现出通常的反式的构象，就导致了α-螺旋结构的不稳定。

The meso carbon atom of the methine linkage of the dye is attached to the nitrogen atom of an amino group.

该染料的甲川链上的中位碳原子与氨基的氮原子相连。

The activities of nitrate reductase, glutamate dehydrogenase and glutamine synthetase in water spanich leaves were enhanced, the contents of total nitrogen and protein increased, but the content of free amino acid decreased. Compared to the control, low and medium amount of quinhydrone made significant difference respectively, but high amount had not notable effects.

醌氢醌使蕹菜叶片硝酸还原酶活性、谷氨酸脱氢酶活性、谷酰胺合成酶活性、总氮含量、蛋白质含量提高，游离氨基酸含量降低；与对照相比，低、中量醌氢醌处理差异显著，高量醌氢醌差异不显著。

For a big chunk of credit-card losses; the number of filings (and thus charge-off rates) would be rising again, whether

年美国个人破产法的一个改动使得破产登记急速下降，而后引起了信用卡大规模的亏损。

Eph. 4:23 And that you be renewed in the spirit of your mind

弗四23 而在你们心思的灵里得以更新