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A series of platinum terpyridyl acetylide complexes were designed and synthesized, which exhibit 〓MLCT emission with high quantum yield and long lifetime in the fluid solution at room temperature.

本论文设计、合成了一系列炔基为辅助配体的多吡啶Pt络合物,系统地研究了它们的光物理性质,探讨了其在超分子化学中的应用,取得了一系列有意义的研究结果:一。

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。

Bandi iron additive,produced by Bandi Group,has features of super auper anti-weaing,high-efficiency,environment protection and saves energy.The compound active ironcam form strong protective film under the worstcondition,and has the excellent quality protects engineand repairs the weaing of engine

邦迪集团生产的具有世界先进水平的高科技离子润滑油,具有抗磨、高效、环保、节能特特点,其合成活性保护离子在极其恶劣环境下,也能形成强力保护油膜,具有常规油品无法比拟的卓越品质,能有效地保护引擎磨损并修复引擎磨损。

It developed for military affairs first in Occident .It utilizes the characteristic of NUV spectrum (240-280nm) that UV spectrum of object is much greater than that of solar radialization in the aerosphere. Double spectrums imaging system gets UV and visible images to identify the object and background. Image infusion is a essential step of succedent image processing.

它利用中紫外区的"日盲"(240—280nm的中紫外)特性,即目标发出的紫外线远远强于太阳的紫外辐射,通过双光谱图像检测系统观察和检测该波段的紫外目标信号与背景可见光图像,并利用图像配准与融合技术,把紫外光图像准确地定位于背景图像,形成合成图像达到检测目的。

ResultsMany active constituents that extracted from ten batches of sample of Radix Scrophulariae (Scrophularia ningpoensis Hemsl.), which collected from Chongqing Wulong county, were evaluated by HPLC. The models of standard HPLC Fingerprint of Radix Scrophulariae were established; Taking the cinnamic acid as the reference peak, the relative time and the relative peak area ration of various characteristics peak were calculated, and the sample from Zhejiang province could be distinguished by this model and the relative peak area ratio of the characteristic components.

结果对重庆市武隆县10批次玄参样品的多个活性成分进行综合评价,筛选出重庆市道地药材玄参为建模对象,合成出玄参的标准HPLC色谱指纹图谱模型;并用此模型和特征成分的相对峰面积比值准确地区分浙江省磐安县等不同产地玄参。

It is found that the stereochemistry of the reactions of telluronium allylide,crotonylide and trimethylsilyallylide with α,β-unsaturated esters and amides can be tuned by thechoice of reaction conditions.

利用反应条件的变化首次实现了烯丙基、巴豆基、含硅烯丙基碲叶立德与α,β-不饱和酯、酰胺进行环丙烷反应的立体化学调控,能高立体选择性地、高效率地合成两种不同几何异构体中的一个。

The additive of Cu made Co well dispersed on catalyst surface, which suppress the by-reaction of methanation.

Cu组元的加入能够保证Co组元均匀地分散在催化剂的表面,有效地抑制了甲烷化反应的发生,使催化剂具有较好的合成醇性能。

In this section, the research and production status of Ethambutol and its key intermediates have been described roundly, the disadvantages and practicability of the synthetic routes for Ethambutol synthesis had also been analyzed and compared in detail.

报告对乙胺丁醇及其关键中间体2-氨基丁醇的国内外的生产及研究状况做了比较全面地总结,并且详细地分析、比较了各条合成路线的优劣及其实用性。

The court surface may be grass, clay, asphalt, concrete, wood or synthetic carpet.

球场的表面可以是草地,泥地,沥青,水泥和木板或涂塑合成硬地。

But it in 10"8mol/L-10"mol/L inhibited gastrin secretion .whereas it promoted somatostatin secretion of duodenum in vitro. GnRH-A did not effect significantly gastrin and somatostatin secretion of stomach in vitro.These results suggested that GnRH-A may integrate with GnRH receptor and restrain directely gastric acid secretion in parietal cell.

综上所述,我们认为胃腔内的Gn尺H类似物可能首先和壁细胞上GnRE受体结合,直接抑制壁细胞胃酸的分泌,由于胃酸分泌减少反馈性地刺激胃泌素细胞,促进其合成及分泌胃泌素,胃酸分泌减少同时也反馈性的抑制生长抑素的释放,反馈性地抑制胃肠壁内EC细胞分泌5一HT。

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推荐网络例句

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸,那乌黑、忧郁的眼睛,她便会相信,他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失

But because of its youthful corporate culture—most people are hustled out of the door in their mid-40s—it had no one to send.

但是因为该公司年轻的企业文化——大多数员工在40来岁的时候都被请出公司——一时间没有好的人选。