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A GC method for the determination of 9 acetanilide herbicides and atrazine, metribuzin residues in cereals and oil seeds was developed.

建立了同时测定9种酰胺除草剂和莠去津、嗪草酮残留量的气相色谱法。

To study the corrosion of dehydration column in acetic acid plant,a mathematical model of separation process was developed.

为解决乙酸装置脱水塔的腐蚀问题，建立了乙酸生产分离过程的数学模型，对脱水塔的操作工况进行了模拟分析。

The style of toolmaking known as Acheulean developed in Africa over 1.5 million years ago.

这种制作工具的风格被认为是非洲阿利舍人在150万年前所有。

Acheulean tools, named for an archaeological site in Saint-Acheul, France, were first developed about 1.5 million years ago.

以一个考古地名法国的圣阿舍利命名的阿舍利时期工具最早在大约150万年前就制造出来。

To achieve these ends, the United States has developed a national strategy that combines political, economic and mili tary elements.

为了达到这些目标，美国制定了一个综合政治、经济和军事诸因素在一起的国家战略。

64To achieve these ends, the U. S. has developed a national strategy that combines political, economic, and military elements.

为了实现这些目标，美国已经制订了一种综合政治、经济和军事诸因素在一起的国家战略。

64To achieve these ends, the U. S. has developed a national strategy thatcombines political, economic, and military elements.

为了实现这些目标，美国已经制订了一种综合政治、经济和军事诸因素在一起的国家战略。

It is useful to reduce the occurance of acid mist by adding erosion retardant and surface activity into acid which has been used in some industries.in the developed province and city, the bureau for enviroment protection calls on all enterprises to process the heated zincification water and prohibit from drainage, all enterprises should process the rinsed waste water and plating-aid waste water,however it remains to be strengthened across the country for the process of three wastes come from heated zincification

在酸中添加缓蚀剂和表面活性剂可以减少酸雾的产生，已在一部分企业中得到应用。在发达省市，环保部门要求企业必须对热镀锌废水进行治理，不得外排，企业对漂洗废水、助镀废液均进行处理，但全国范围内对热镀锌的三废治理还需加强。

A process based upon solvent extraction has been developed for the recovery of phosphoric acid from a leaching liquor obtained by decomposition of phosphate rock with sulfuric acid.

本文采用二丁基亚砜作为萃取剂，对于用硫酸分解磷矿而得的粗磷酸进行多级逆流萃取及反萃取，以获得高纯度的磷酸和磷酸盐。

An accurate and simple method for determination of fatty acid value of rice was developed.

建立了稻米中脂肪酸值的滴定新方法。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。