近年来

Being simple form and higher accuracy, Casson's rheological model has been used to describe drilling mud properties in recent years.

卡森流变模式形式简单，但精度高，近年来国内外多用其描述钻井液的流变性。

Metal pollution in drinking water sources is becoming a more and more serious problem that can not be neglected due to the mass discharge of industry sewage and electronic product castoff into the water in recent years.

近年来各种工业废水、电子废弃物的大量排放，已经使饮用水源水中的金属污染成为一个不可忽视的问题。

In this review folate synthesis, transportation, catabolism and biofortification in plants were mainly focused on.

就近年来在植物叶酸的合成分解代谢机制及基因工程等相关研究进展进行综述。

This review deals with the advances of their synthetic methods and applications in asymmetric catalysis in recent years.

本文综述了近年来其合成方法及其在不对称催化反应中应用研究的进展。

This paper presented the new results on catalysis reaction mechanism of methane monooxygenase in recent years.

本文就甲烷单加氧酶近年来在催化反应机理方面的最新研究成果进行了详细阐述。

Photocatalytic oxidation technique is a very active field in the catalysis discipline in recent years.

光催化氧化技术是近年来催化学科中一个十分活跃的研究领域。

This paper presented the new results on catalysis reaction mechanism of methanemonooxy genase in recent years.

本文就甲烷单加氧酶近年来在催化反应机理方面的最新研究成果进行了详细阐述。

The chiral metal complexes are mainly used on the chiral catalytic reaction as catalyzer. In recent years,some high activity chiral catalysts brought more and more people\'s attention.

手性金属配合物的主要用途是作为催化剂在手性催化反应中应用，近年来一些高活性手性催化剂的开发应用越来越引起人们的重视。

This paper firstly made a brief review about Catastrophism Gradualismand Neocatastrophism in Geology and then did some researcles on event stratigraphy s formation, development, therotical essence and its importance in earth sciences.

根据近年来有关研究新进展，概括地评述了地质灾变论、渐变论、新灾变论及事件地层学的形成、发展、理论实质及其在地球科学理论与实践中的重大现实意义。

Nowadays, corporate social responsity has been a catchword, the important content and the development direction of Chinese enterprise management.

近年来企业社会责任受到越来越多的关注和重视，正在成为中国企业管理的重要内容和发展方向。

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。