查询词典 vice-pres

In order to increase the use value of lycoramine,it was dehydrogenated selectively in the pres- ence of 9% rare earth metal hydride at 240℃,affording galanthamine with 45.9% yield and 97% optical purity by semi-synthesis.

加兰他敏提取工艺中的主要副产品--力可拉敏的药用价值明显低于加兰他敏，为提高力可拉敏的利用价值，在催化剂存在下脱氢制取加兰他敏。

After pericardial effusion,the diastolic pressure of right ventricle and pulmonary vein pres-sure pulsated with intrathoracic pressure;the pressure of carotid vein and femoral vein were still stable.

颈内静脉及股静脉压较稳定，波动幅度较小，分别为0.06kPa和-0.06kPa；心包填塞后，胸内压呼吸性波动加大，左右心室舒张压、肺静脉压的波动幅度随之加大，但颈静脉压及股静脉压仍较稳定。

This paper discusses such design problems in heating systems with the pres- sureless boiler as how the pumping head of the cycle pump is selected ,where the cycle pump is installed and whether the expansion tank is necessary.

针对无压锅炉供暖系统设计中有关循环水泵扬程的选择、循环水泵的设置高度及是否设置膨胀水箱等问题从理论和实践上进行了探讨，得出了可供设计人员实际应用的计算公式，介绍了几个关键问题的处理方法，澄清了一些模糊认识。

DEMISTER~ style 713 knitted mesh mist eliminator provides increased efficiency with low pressure drop in drying towers,FLEXIFIBER~ BD-LdP Brownian Diffusion candle mist eliminator provides reduced pres- sure drop with no loss in efficiency in absorption towers and FLEXIFIBER~ ICK-LF impaction candle mist elimi- nator provides increased service life with no loss in efficiency in drying and fin...

DEMISTER~型713丝网除雾器，在干燥塔中使用可提高效率且具有较低的压力降；FLEXIFIBER~BD-LdP布朗扩散型烛式除雾器，在吸收塔中使用可减小压力降且无效率损失；FLEXIFIBER~ICK-LF碰撞型烛式除雾器，在干燥塔和二吸塔中使用可延长使用寿命且无效率损失。

Please allow me to express our sincere thanks to Sirs and Madams as well as the pres IDE nt of Saigon Viem and our Vietnamese partners for your coming to witness this exciting moment on behalf of our overseas team.

为此，我代表长城公司海外业务团队向今天到来的所有来宾以及我们的合作伙伴，Saigon View的总裁先生和所有长城的越南代理及媒体朋友表示衷心感谢，感谢你们和长城一起见证这激动人心的一刻。

The thesis studies the different singing editions of Carmen's three arias"L'amour est un oiseau rebelle","Près des ramparts de Séville"and"Les tringles de sisters"from Bizet's opera"Carmen".

本文以歌剧《卡门》中女主角卡门的三首咏叹调《爱情像一只自由的鸟儿》、《塞维利亚老城墙旁边》、《听铃声响得多美妙》的不同演唱版本为对象进行了课题研究。

On the basis of improved continuous flow equation,the mathematical model that expresses the interrelationship of the liquid pressure,the movement of plunger piston and the pump barrel clearance were setup,and simulating model s of the liquid instantaneous pres.

根据改进的连续流方程，建立了泵筒内液体压力、柱塞运动规律与柱塞泵筒间隙之间相互关系的数学模型，从而建立了泵筒内液体瞬时压力与泵示功图的仿真模型。

The XDR2 preamps deliver pure, clean studio-grade sound-the kind of quality you'd expect to find in pricey boutique mic pres.

前置的XDR2提供纯，干净的棚级的声音什么样的质量您希望找到在昂贵的精品麦克风压力。

Thermal insulation and sound insulation pipe materials produced with Fuerda glass wool by formation through curing by applying pres-sure and heating after applying thermosetting cement are widely used for thermal insulation and heat preservation of thermal piping, cold water and hot water piping and steam piping in electric power, petroleum, chemical industries.

富尔达公司生产的玻璃棉施加热固性粘结剂，通过加压、加温固化成型的板材，适用于和种不同规格空调风管及其他风管的保温与隔音，表面可粘贴铝箔等贴面，具有保温效果好、容重轻、阻燃、抗振吸音等优异性能。

For Domestic Policy-Bruce Reed; Asst to the Pres.

负责系统阐述、协调和贯彻国内政策和经济政策。

Hanna: That's over now, isn't it?

都结束了，对吗

You must be ill. You look so pale.

你一定是病了，你的脸色苍白。