概况

The development and current situation of Sasol synthol oil from coal process are summarized in the paper.

介绍了南非萨索尔煤合成油技术的进展及目前的概况。

The main characteristic of roller grindery and the survery of wide-thick plate mill engineering are introduced.

介绍宝钢宽厚板轧机工程概况及磨要特点,阐述了宽厚板轧机磨设计中应注意的问题。

.. One, the Oceania that Australia of Australian nature general situation is located in the Southern Hemisphere, seagirt.

一、澳大利亚自然概况澳大利亚地处南半球的大洋洲，四面环海。

An attempt has been made to follow the scientific and technological steps associated with the production of fine grained hardmetal.

在回顾硬质合金材料的历史发展现状的基础，重点介绍了在该领域中海材料研所取得的典型实际成果及工业应用概况。

Molecular recognition of size and shape, functional group, as well as chirality of guests by metalloporphyrin hosts are discussed in detail.

介绍了金属卟啉配合物在分子形状与大小识别、官能团识别手性识别方面的研概况。

In order to provide a basis for the research and development of gromwell,the studies on domestic extraction of alkannin was reviewed in briefly.

对国内有关紫草色素提取的概况进行了综述,为研发紫草提供依据。

The type, character istic, mechanism of formation reaction and application of multi-component complex using bisazo derivative of chromotropic acid as ligand are introduced.

综述了变色酸双偶氮衍生物有关多元络合物的类型、特点、形成机理及应用概况。

An overview of the pharmacological effects of lycorine and its derivatives is given, and advice for further research of lycorine and its derivatives is suggested.

综述了石蒜碱及其衍生物的药理作用研概况，并就发石蒜碱及其衍生物提出了建议。

In this paper, a comprehensive survey for the state of art of a posteriori error estimates in finite element computation for magnetostatics since 1980s is presented.

80年代以来,国际兴起对恒定磁场后验误差估计的研,本文系统地介绍这方面的发展概况。

Starting from the summery, economic development foundation and incorporative development of Jing-jin-ji area, the paper makes 6 policies for the regional economic development of the area.

从京津冀地区概况、经济发展基础以及联合发展内容等方面入手,提出了京津冀区域经济发展的6项对策。

Studies on heat exchanger aluminum fin precoat of air conditioner were reviewed. Six types of precoat as well as the application of hydrophilic precoat were described.

回顾了空调机热交换器预涂层铝散热片的研概况，介绍了6种类型预涂层散热片材料的基本情况以及亲水性预涂膜散热片的应用效果。提出了该课题今后的研方向。

Development trend of domestic third-stage multiclone is expounded as well as the problems such as single tube wearing, low capacity of single tube and the inappropriate catalyst exhaustion.

介绍了国内多管式三旋的发展概况、存在的要问题,如单管磨损、单管处理量小、催化剂排放不合理等。