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ABSTRACT Using the methods of system engineering, the running-in process of tribo-system with sliding friction is dealt with in this paper.

本文应用系统工程学的方法对滑动摩擦学系统的磨合过程进行了研究。

ABSTRACT With the expansion of scale in Power System and the modernization in Power System, the requirements of speediness and accuracy are...

随着电力系统规模的不断扩大，对现代化电力系统中微机继电保护的准确性和快速实时性的要求也越来越高。

ABSTRACT With the expansion of scale in Power System and the modernization in Power System, the requirements of speediness and accuracy are getting more agent.

随着电力系统规模的不断扩大，对现代化电力系统中微机继电保护的准确性和快速实时性的要求也越来越高。

ABSTRACT］ObjectiveTo study the expressive change of nerve growth factor in bony callus after fracture of the thighbone in rats with cerebral and spinal cord injury.

摘要］ 目的研究大鼠脑和脊髓损伤后骨折股骨骨痂中神经生长因子表达的变化。

The doctrine of a world-soul in a highly abstract form is met with as early as the eighth century before Christ, when we find it described as the unseen seer, the unheard hearer, the unthought thinker, the unknown knower, the Eternal in which space is woven and which is woven in it.

"理论的一个世界的灵魂在一个高度抽象的形式会见了早在公元前8世纪，当我们找到它称为"看不见的先知，是闻所未闻听话，该unthought思想家，未知能知，永恒的空间是编织和机织的是它。

ABSTRACT: Random amplified polymorphic DNA was used in analysing the relationship among twenty-six speices of Amanita from Mangshan, Hunan. Of 40 primers, 6 ones generated reproducible RAPD profiles, and each one produced 1-10 bands. Two primers (OPG15 and OPH04) could differentiate 26 species of Amanita by its RAPD profiles. The similarity coefficients obtained from profiles generated by six primers among Amanita were about 20-60%. A dendrogram was constructed using average linkage clustering for clustering analysis. It indicated that there were two groups in 26 species and some species with ring and membranous volva clustered a group which coincided with morphological classification.

本文对采自湖南莽山的26种鹅膏菌属真菌进行了随机扩增多态性DNA分析，40个随机引物中筛选出扩增效果较好的6个引物，每个引物能产生1～10条DNA条带，获得的RAPD谱带清晰并呈现多态性OPG15、OPH04两个引物扩增的RAPD谱带能将26种鹅膏菌完全区分开来，通过6个引物的RAPD分析获得的平均相似性系数表明种与种之间的相关系数在20―60%之间，平均链锁聚类分析可将26种鹅膏菌分为二大类，且一些具菌环和苞状菌托的种类聚在一起，与形态分类基本相吻合。

Abstract］ Objective To explore the diagnostic value of MRI in encephalofacial angiomatosis. Methods The MRI findings were retrospectively studied in 5 cases of encephalofacial angiomatosis proved by histological examinations,its MRI data, clinical performance and pathogenesis were summarized and analysed.

目的 探讨磁共振成像对脑颜面血管瘤病的诊断价值方法收集5例经临床和手术证实的脑颜面血管瘤病，对其磁共振资料、临床表现和发病机制进行回顾性的总结和分析。

Abstract］ Objective:To investigate the effects of chrysin on the infection and replication of HIV1 ,and activation of CD4+ HTL in response to PHA in vitro.

目的：研究白杨素体外对人类免疫缺陷病毒（HIV1）感染和复制的影响及对植物血凝素刺激的正常人外周血CD4+T细胞活化的影响。

Meanwhile, the "lines" acquire their meanings in their evolution from prototype imitation through geometrical decorative patterns to abstract symbols in their natural historical development from crudity to delicateness, from simplicity to complicatedness , till the splendid sight of rich vocabulary of lines.

同时，中国古代艺术之&线&从粗糙到精致，从简单到复杂，直至形成蔚为大观的线条语汇，经历了一个自然的历史发展过程，是从原型模仿到几何纹饰，最后演变成抽象符号，表现为一种&有意味的形式&的。

ABSTRACT The final production of erythromycin by Saccharopolyspora erythraea was increased by 43.1% in 15L bioreactor with double quantily of soybean oil into culture medium. The final production, production capacity and Yp/s of erythromycin were improved 69.7%, 69.6% and 63.8%, respectively, in 15L bioreactor with added soybean oil during fermentation.

红色糖多孢菌D在15L发酵罐的基础培养基和发酵过程中补加豆油，当基础培养基中豆油量加倍时，效价提高43.1%；发酵过程补加豆油罐的红霉素效价、生产强度和Yp/s比不补豆油的分别提高了69.7%、69.6%和63.8%。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。