查询词典 trans-Siberian

With the establishment of animal models of aortic homograft trans-plantation,using immunohistochemical staining,the differ-ence of the expression of MHCⅠantigen and MHCⅡanti-gen was detected between fresh aortic homografts and cryop-reserved aortic homografts.

建立大鼠同种异体主动脉移植模型，采用免疫组织化学实验研究新鲜主动脉和低温保存的主动脉同种异体移植后MHCⅠ类抗原和MHCⅡ类抗原表达的区别。

The distribution of Pb and 〓 in snow along two major trajecteries of ice stream (Trans-polar Drift Stream and Beaufort Gyre) indicates that the tracks of pollution airmasses invading Central Arctic Ocean are mainly from Eurasia and Northwest America.

大尺度海冰流上覆积雪中记录了洋流途经海域的大气环境信息，是监测现代大气环境的有效介质。北冰洋不同海冰流上覆积雪内nss Cl〓、nss SO〓、Pb及其稳定同位素比率等的分布，显示两大海冰流积雪化学具有明显差异，并据此判断影响北冰洋中心地带冬春季大气环境的中低纬污染气团主要源于欧亚大陆和北美洲西部。

After 2, 1-insertion, the γ-agostic complex can be isomerized to three β-agostic complexes in which the one with two methyl groups trans to each other is the most stable species.

当烷基链在配位原子O的对位时1，2-插入速率低于2，1-插入；当烷基链在配位原子N对位时，1，2-插入速率高于2，1-插生产方式。

Cis-C=C configuration on 2 position is easily isomerized to trans-form in environment according to literatures, but cycloproyl do it difficut relatively. So, replacement of 2,3- allyl unit by cyclopropyl group might give a practical method to get over the problem.

为解决脱落酸2位双键在环境中易光异构化为反式结构的问题，依据电子等排体原理，将2，3-位的烯丙型的结构改变为环丙型结构，将可能解决光异构化的问题。

Pinl is a kind of peptidyl-prolyl cis/trans isomerase. Pinl specifically isomerizes the pSer/Thr-Pro motifs in proteins, relating to kinds of human diseases, especially cancer and AD.

hPinl是一种肽基脯氨酰顺反异构酶，能特异催化蛋白质分子中pSer/Thr-Pro肽键的顺反构型转变，与多种人类疾病相关，尤其是癌症和阿尔茨海默氏病(Alzheimers disease，AD)。

According to the results of the examination, the stronger the electron-withdrawing protective group of imines, the better the cis-selectivity of the reaction, 68% yield, trans:cis is 99:1 diastereoselectivity could be leaded by Ts-imines (4-methyl-N-methylene-benzenesulfonaides) with a substituent [2,4-(CH3O)2C6H3], Substrate scope investigation revealed that a wide variety of ketenes and imines could react smoothly to afford corresponding,β-lactams.

实验结果表明，亚胺的保护基团吸电子能力越强，越有利于顺式产物的生成。对甲苯磺酰基保护的取代基为2，4-二甲氧苯基的亚胺参与的该反应可得到68%的产率，反式：顺式=99：1的非对映选择性。底物拓展过程中发现Staudinger反应适用于多种不同的亚胺与烯酮。

The complexes 7 and 8 with mixed ligands 1, 2-bidentate thiolate and monodentateP〓 or PBu〓 ligands were synthesized from "building block"〓 L = P〓 or〓 through "trans-substitution" reaction of S and N atoms from mpt〓.

在14中，Zn为〓四配位的四面体构型，并通过分子内和分子间氢键形成〓维链。15中，Zn为〓五配位的四方锥构型，配位的〓来自2，2'-二硫水杨酸发生的脱硫反应。

The scheme uses the histogram trans fer matrix between the cover image and stego image, combining fitness bias cause d by using generalized Laplacian distribution to fit the difference histogram, t o estimate the embedded message length.

该方案使用隐写前后图像差分直方图转移矩阵结合对差分直方图广义拉普拉斯分布的拟合偏差实现对嵌入数据长度的估计。

Based on the existing commercial systematic facility and advanced technical platform , the system integrates multi-commercial activities of e-commerce under the loose-coupled service programs so that the trans-regional architecture of large scale distributed e-commerce system is formed.

与传统商务系统不同，这种分散式构架充分利用计算机新技术的优势，将商务事件逻辑和数据库分布在多个不同地域的服务器组上，异地发布服务并协同工作，提高了系统的跨平台性、可成长性和可维护性。

The Venture and its siblings were powered by GM's 3400 V6, introduced in 1996 in their precessors (Lumina APV, Trans Sport and Silhouette), rated at 180 hp.

的风险及其兄弟姐妹采用通用汽车的3400 V6发动机，在1996年推出其precessors（鲁米娜现值，跨体育和剪影），180马力。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。