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Abstract: Through comparative tests between the black powder and a mixed powder in the hygroscopicity, combustion performance and output characteristics, their differences in the ignition performance were analysed and the viewpoints were presented on the
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文摘:通过对黑火药、混合型点火药在吸湿性、燃烧性能及输出特性等3方面的对比试验，分析两种药剂作为点火药使用时点火性能方面的差异，并对其使用范围提出了看法。 |
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Abstract: Through contrast test, characters of IG sealant filled by mineral oil were compared with those of the sealant unfilled by mineral oil ,such as durability ,heat aging resistance ,adhesive ability and the compatibility with hot melt butyl sealant
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本文通过对比实验，比较了掺油和未掺油中空玻璃密封胶的耐久性、热老化性能、粘接性能以及与热熔丁基密封胶的相容性，比较了其制造的中空玻璃的耐紫外辐照性能。 |
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Abstract: Through contrast test， characters of IG sealant filled by mineral oil were compared with those of the sealant unfilled by mineral oil ，such as durability ，heat aging resistance ，adhesive ability and the compatibility with hot melt butyl sealant
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摘要：本文通过对比实验，比较了掺油和未掺油中空玻璃密封胶的耐久性、热老化性能、粘接性能以及与热熔丁基密封胶的相容性，比较了其制造的中空玻璃的耐紫外辐照性能。 |
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Abstract: Through contrasts of the solution mining, this paper introduced situations of the brine mining in the connected double wells and applications of the directional technology in the mine wells.
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文摘:通过对水溶采矿方法的对比，分析双井对接连通采卤的优劣，以及人工受控定向技术在井矿盐中的应用和未来发展趋势。 |
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Abstract: Through cooperating with other industries, the European cruise corporations have used luxurious cruises as the linkage to bring in a new format of commerce——sightseeing business, which develops a golden tourist line and a new business channel on
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摘要：欧洲的邮轮航运公司进行不同产业形式的跨越合作，用豪华邮轮作为链接物，串联成北欧海上观光商业的新形式，开辟了一条海上黄金旅游航线和商业通道。 |
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Abstract: Through copolycondensation method, a phenol-melamine-urea-formaldehyde resin was prepared. The discussion was concentrated on the preparation method of the resin and it's application condition in pressing exterior-type medium density fiberboard.
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文摘:通过共缩聚的方法，制备了具有良好的耐水性能和胶合性能的苯酚-三聚氰胺-尿素-甲醛树脂。着重讨论了该树脂的制备方法以及在压制室外型中密度纤维板中的应用情况。 |
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Abstract: Through correction and analysis to errors existing in the college students' comp ositions,this paper strenthens students' attention on the basic use of English l anguage to improve their ability in writing.
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文摘:通过对大学生英语写作中的错误进行纠正和分析，以加强大学生的语言基本功，提高英语写作能力. |
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Abstract: Through deep vacuum distillation,the 90＃ high grade road asphalt meeting the standard of SINOPEC and the ESSO standard and the 70＃ high grade road asphalt meeting the standard of the Ministry of Communications and the national standard were dire
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文摘:大连西太平洋石油化工有限公司采用减压深拔技术，加工胶质、沥青质含量高的沙特阿拉伯中质原油，直接生产出符合中石化标准及埃索标准的90号等级道路沥青及符合交通部标准、国家标准的70号高等级道路沥青产品，为今后生产高等级道路沥青积累了有益的经验。 |
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Abstract: Through extending the wear plate at the saddle and using the flexible saddle, the circumferential peak stress at the joint of the shell and the saddle can be decreased efficiently.
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文摘:本文介绍通过鞍座上垫板的伸出和采用柔性鞍座，即能有效地降低鞍座边角处的环向峰值应力。 |
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Abstract: Through on-the-spot test and theoretical calculation, the re gular pattern that the used hot-blast parameters of the grain drier change with the variation of working conditions was revealed.
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文摘:经理论计算及现场试验，揭示了粮食干燥机废气参数随其工作条件的改变而发生的规律性变化。 |
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Abstract: Through simulating model tests of shield tunnel passing through the Yellew River in the diversion project from south to north China,a systematic analysis on the primary factors affecting joint stiffness,including arrangement of joint bolt,thickn
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文摘:通过南水北调穿黄盾构隧道仿真模型试验,对影响接头刚度的主要因素即连接螺栓的布置、螺栓垫圈的厚度、管片与管片之间垫层材料的性能和厚度、连接螺栓的预紧力的大小及管片接头不同的受力状态进行了系统的分析,为盾构隧道管片设计提供了参考。 |
