查询词典 d and c

When the 3-keto glycosides was reduced by sodium borohydride, the D-allo configuration was considered the most probable since it has an equatorial arylamino group at C-2 position and reduction of the keto group was considerably less hindered to equatorial attack by borohydride ion to give an axial hydroxyl, than axial attack by borohydride to give an equatorial hydroxyl.

并对反应的立体化学问题进行了讨论，认为该反应的立体专一性是由于向下直立键上的1-位α-甲氧基和2-位向下平伏键上芳胺基大基团的共同影响，造成内侧进攻受阻，而使得氢负离子只能从外侧进攻的结果。

Though CopRS/CopABCD homologues are found to exist in Pseudomonas fluorescens, the potential role of this system in P. fluorescens has not been investigated. In this study a genetic cluster, consisting of copR, S, C, and D but lacking copAB, was identified in a pathogenic P.

CopRS/CopABCD是细菌用以维持铜内环境稳定的一个系统，虽然已在荧光假单胞菌中发现了CopRS/CopABCD系统的同源物，但其潜在的功能还未知。

Samples in group A were incubated in 1 g/L collagenase Ⅳ, whereas samples in groups B, C and D were incubated in 1 g/L collagenase Ⅱ at 37 ℃ for 45 minutes. Following cribration, cell suspension was collected from each group.

过筛后收集各组细胞悬液，按组别对应施以羟乙基淀粉沉淀法、淋巴细胞分层液分离法、氯化铵裂解红细胞法进行分离。

Methods To measure the levels of C-reactive protein and D- dimeride in 78 patients with acute cerelbral infarction with automatic biochemistry analyzer and their relationships with the pathogenetic condition were statistically analyzed ,the data were also compared with those in the control group.

采用全自动生化仪及德国德利曼公司试剂测定78例急性脑梗死患者的CRP和DD水平，用统计学分析其与病情轻重的关系，并与45例正常对照组进行比较。

14 June 2004: Italian defender Alessandro Nesta kicking the ball during the Euro 2004 Group C game between Italy and Denmark at the Estadio D.

小组赛的第一轮，意大利和丹麦0比0战平，而同组的瑞典人狂灌保加利亚队5个球。

In 1912, Trinity College, Foochow was originated by C.M.S. in Fuzhou and was administered by D.U.F.M. completely.

福州&三一学校&是由英国圣公会于1912年在福州创办的一所中学，它主要由都柏林福建布道会负责管理。

Jointly sponsored by the American Association for the Study of Liver Diseases, the American Gastroenterological Association Institute, the American Society for Gastrointestinal Endoscopy and the Society for Surgery of the Alimentary Tract, DDW takes place May 19-24, 2007, at the Washington Convention Center, Washington, D.C.

其由美国肝脏疾病研究协会，美国胃肠病学会机构，美国内窥镜协会以及消化道外科学会共同赞助举办。

The company has two operation centers: one in Beijing, China and the other in Germantown, Maryland, a suburb of Washington D.C.

公司在中国首都北京和美国马里兰州设运营中心。

The efficacy of group C treated with steroids on proptosis was 63.6%, group D with additional retrobulbar injection and E with additional intrathyroid injection were 78.6% and 80% respectively. Conclusion The efficacy of steroids on proptosis is valid. Additional retrobulbar injection or intrathyroid injection can improve its efficacy.

糖皮质激素对突眼的疗效是肯定的，可能是通过调节细胞因子的水平而发挥作用，球后或甲状腺注射能提高疗效。

"Most of the man-made chemicals assessed in the USGS study are unregulated in drinking water and not required to be monitored or removed," Tom Jacobus, general manager of the Washington, D.C., Aqueduct, which was one of the water systems assessed in the study, also said.

&大多数的人，在美国地质勘探局的研究评估化学品的管制饮用水中不要求进行监测或删除，&汤姆雅各布，总经理华盛顿特区，渡槽，这是分摊水系统之一这项研究还表示。

In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国，慢性酒精中毒，肝炎是最常见的。

If you have any questions, you can contact me anytime.

如果有任何问题，你可以随时联系我。