This paper reviews the present state of application of D-mannitol in the synthesis of natural products.
介绍了甘露醇作为手性材料在具有重要生理活性天然产物合成中的应用概况。
The present state of production and application for epoxy ethane in China is described in this paper.
本文就我国环氧乙烷的生产现状及其应用作一介绍。
Heating cutting technology and the present state are briefly introduced. The research object, key technique and the application prospect of this technology are described.
简要介绍了加热切削技术及其现状，叙述了加热切削技术的研究目标、关键技术和应用前景。
On the basis of introducing 3s technology, we deeply discussed the present application state and prospect of 3s technology in forest protection.
我们在介绍3s技术的基础上，深入探讨了3s技术在森林防护管理中的应用现状和前景。
The paper introduce the generation and disappearance of the babbles, and the major characteristics, application and present state of the bubble-memory.
主要介绍了磁泡的产生，消失和磁泡存贮器的特点、应用以及它的现状。
The present state of return water facilities and its application situation after transformation in Baihualing Concentrator of Jinduicheng Molybdenum Mining Corporation were described briefly.
简要介绍了金堆城钼业公司百花岭选矿厂回水设施的现状及改造后的应用情况。
Described the application and the present state of the research for the dulling material. And involved some problems from it.
叙述了消光材料的应用和研究现状及存在的问题。
The present situation and development about the research of this material on solid state luminescence and its application on optoelectronic devices are discussed.
对国内外有关该材料在固体发光方面的研究现状和进展及其在光电器件上的应用作了讨论。
Described the application and the present state of the research for the dulling material.
叙述了消光材料的应用和研究现状及存在的问题。
The present state of the application of nuclear technique in agriculture in our country and the differences from the developed level of the world were also evaluated.
评述我国核技术农业应用现状及其与国际先进水平所存在的差距。
It was proposed that the Mg-based hydrogen storage material of excellent hydriding and dehydriding properties can be prepared by using the present technology. The application state of Mg-base hyd...
分别对合金材料和复合材料的储氢性能进行了系统的阐述，指出现有的技术手段已经能够制备具有优异充放氢性能的镁基储氢材料。
And several key technologies are studied both theoretically and practically. The background of the research, application and the present state of the research work are presented respectively.
几个关键技术已在理论分析、仿真研究、水池实验和湖上实验中得到很好的论证。
And several key technologies are studied both theoretically and practically. The background of the research, application and the present state of the research work are presented respectively.
几个关键技术已在理论分析、仿真研究、水池实验和湖上实验中得到很好的论证。
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