Today is the first deadline for Syria regarding its chemical weapons program.

Calculation of Neutron Activation Discriminating The Chemical Weapons Underground Using Monte Carlo Methods

中子活化法识别地下化武的特卡罗计算

He called for American action to prevent future use of chemical weapons in Syria.

他呼吁美国采取行动，阻止叙利亚在将来使用化学武器。

They are working to figure out if chemical weapons have been used in the country.

他们正在努力找出这个国家是否使用化学武器。

Method Research of Environmental Risk Assessment ( ERA) in Destroying Abandoned Chemical Weapons

销毁遗弃化学武器的环境风险评价方法研究

Don't limit your parameters to chemical weapons.

别仅仅限制在化学武器范围里。

The research progress and the future tasks of protective medicine against chemical weapons abroad

国外防化医学研究进展及今后面临的任务

The government has banned the use of chemical weapons.

政府已经禁止使用化学武器。

As the fundamental solution to settle the crisis of water resources, the optimized allocation and management of water resources is imperative. 2. Water environmental capacity ( WEC) model was set up combined with the characteristics of the river in Laoshan District.

作为根本解决水资源危机的重要途径，水资源优化配置与管理势在必行。

Wedge Error Compensation technology is a key part of the double sides mask aligner. The WEC technology brings two parallel planes between substrate surface and circuit design surface of mask, which are provided for the stage for alignment.

楔形误差补偿技术是双面光刻机中的关键技术之一，它使基片表面和掩模电路图形表面形成2个平行平面，提供给对准工作台进行对准操作。

Taking WEC of the river between Wushi Dam and Sanzhou Dam in the upstream as an example, two methods, the capacity definition method and analytic solution were compared.

以榕江上游乌石坝-三洲拦河坝段水环境容量为例，对容量定义法及解析解两种方法进行了对比研究。

Objective To investigate the developmental toxicity of all-trans retinoic acid ( atRA) and its possible mechanism, the post-implantation whole embryo culture ( WEC) was used.

目的为研究全反式视黄酸（atRA）的发育毒性及其可能的作用机制，本研究采用植入后体外全胚胎培养方法研究atRA对小鼠胚胎生长发育的影响。

In order to investigate the effect of homocysteine ( HCY) on the development of rat embryos, the post implantation whole embryo culture ( WEC) technique was used.

采用着床后体外全胚胎培养方法，观察同型半胱氨酸（homocysteine，HCY）对大鼠胚胎生长发育的影响。

Hole and Impact of Imperial Secretariat on the History of Ancient Document Collection

秘书监在古代文献集藏历史中的作用和影响

Technical cooperation trust fund to provide an expert to the ozone secretariat;

向臭氧秘书处提供一位专家的技术合作信托基金；

Commonwealth Regional health Community Secretariat for East, Central and Southern Africa

这本新书已全部售完。英联邦东部、中部和南部非洲区域卫生秘书处

Development to date presented in the updated background brief prepared by the secretariat.

秘书处拟备了最新的背景资料简介，载述截至当时的发展情况。

International Secretariat of Arts, Communications Media and Entertainment Trade

国际艺术、新闻媒体和娱乐工会秘书处

All personal information will to be used exclusively by our secretariat for internal use.

所有个人信息只供我们的秘书内部使用。

Action Programme for the Improvement of the Status of Women in the Secretariat

关于改善秘书处妇女地位的行动纲领议

The Secretariat would continue to monitor developments in this regard.

秘书处将继续监测这方面的进展。