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tertiary amine相关的网络例句

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

The deep formations in the Tertiary,pre-Tertiary,littoral areas and offshore will be the most favorable exploration fields in the basins of the eastern area in North China for 21st century.

在该地区应着重研究多勘探层系、勘探程度的差异性和地质理论的新进展,充分挖掘各探区内各单元的油气资源潜力,第三系深层、前第三系、滩海和浅海应是华北东部盆地21世纪油气勘探的重点领域。

The CLAMP analysis and methods of floral coexistence are two comparatively new methods for quantitative reconstruction of Tertiary. terrestrial paleoclimates which rely on data from fossil plants. Using these approaches will enhance Tertiary paleoclimate analyses from Yunnan Province considerably and change the style of analysis from qualitative to quantitative.

目前国际上古植被与古气候变迁关系的研究已从定性描述向定量化研究的方向发展。90年代以来,Wolfe与Mosbtugger分别发展的CLAMP和Coexistence Approach是利用化石植物定量化研究古气候的两种新方法,可用于定量化研究云南第三纪植物与古气候变迁,将是后续工作的重要方向。

The results illustrate that there has consistent alteration trends between the color of Tertiary sediments from Kuqa depression and Tertiary global temperature change.

结果表明,库车坳陷第三纪沉积物颜色变化与全球第三纪温度的变化有一致的趋势,随着全球气温的降低,沉积物的颜色的红色指数降低。

The platinum terpyridyl acetylide complex containing a simple amine group in the acetylide ligand could be utilized as a chemo-sensor for detection of micromolar concentration of protons by monitoring the changes both in luminescence and color.

实验发现: 1.4-N,N-二甲基苯乙炔为辅助配体的三联吡啶Pt络合物TA在质子存在下吸收和发光变化明显,因此可以通过颜色或发光的变化检测微量质子的存在。

We have used GC to follow up the formation of epoxy acid and established the acidify condition; we have done series of parallel experiments to better the pivotal condensation reaction between acid and amine; In the cyclization step, we use cheap and available reagent-Lithium amide , rather than expensive LiHMDS, to proceed the reaction; and at last, we introduced green reagent-ozone to clear the phenyl group of nitrogen to avoid using heavy metal reagent-CAN. The total yield for this method is 29.8%.

通过GC监测,确定环氧酸的最佳酸化条件;对关键的酸和胺的缩合步骤,平行试验了多种条件;在环合一步,用价廉易得的氨基锂及催化量的HMDS代替昂贵的LiHMDS进行反应;氮上苯基的脱除采用臭氧,避免了重金属试剂-硝酸铈铵的使用,总收率为29.8%。

In the meantime, concerned experiment returns discovery, the content of amine of acyl of the propylene in the food with amylaceous fast content is high, and its content is opposite in the food with protein fast content less.

同时,有关实验还发现,淀粉含量高的食品中丙烯酰胺的含量高,而蛋白质含量高的食品中其含量相对较少。

The present invention relates to a process for rapid solution synthesis of a peptide, the process comprising repetitive cycles of steps-: a coupling step, using an excess of an activated carboxylic component to acylate an amino component, a quenching step in which a scavenger is used to remove residual activated carboxylic functions, wherein the scavenger may also be used for deprotection of the growing peptide, one or more aqueous extractions and optionally, a separate deprotection step, followed by one or more aqueous extractions, characterised in that the process comprises at least one step, referred to as step, in which an amine or a thiol comprising a free anion or a latent anion is used as a scavenger of residual activated carboxylic functions.

本发明涉及快速溶液合成肽的方法,该方法包括步骤-的重复循环:偶联步骤,使用过量的活化羧基成分酰化氨基成分,淬灭步骤,在该步骤中使用清除剂除去残余的活化羧基官能团,其中该清除剂还可以用于使生长中的肽去保护,一或多个水抽提和任选地,独立的去保护步骤,之后进行一或多次水抽提,其特征在于该方法包括至少一个步骤,称作步骤,在该步骤中包含自由阴离子或潜阴离子的胺或硫醇用作残余活化羧基官能团的清除剂。

Principles of hindered amine adduct ,performances and application processes of resulted aliphatic polyurea paints are introduced.

详述了受阻胺加合物的原理以及由此制成的脂肪族聚脲涂料的性能和施工方法。

The brown color of lecithin is largely the result of heathing the oil during solvent stripping and is to be the result of an aldehyde-amine reaction or aldol condensation.

大豆磷脂中的褐色物质可能是毛油在汽提时生成的,据认为是缩醛产物。

The high-visoosity silicon oil dispersion is prepared by OB-2(Alky| dimethy|amine oxide)as disperse medium and in use of usual temperature emulsifying method.

硅油在香波中的使用效果已得到广泛的认可,但硅油的疏水性,增加了分散的难度。

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