查询词典 at present
- 与 at present 相关的网络例句 [注:此内容来源于网络,仅供参考]
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PVA-2080 is one of the important dispersing agents to produce loose polyvinyl chlorid. At present KH-20 is mainly imported from Japan to take the place of the traditional gelatin to produce high quality PVC in our country. In order to solve this problem, we exploit PVA-2080 to replace the foreign products. The experiment includes two steps of polymerization and a process of partial alcohlysis. After a number of trials, we get a product of white particles.Its average degree of alcoholysis is 80.77% and t...
聚乙烯醇- 2 0 80 (PVA - 2 0 80 )是生产疏松型聚氯乙烯的重要分散剂之一目前,国内主要依靠进口日本的KH - 2 0以代替传统的明胶来生产高质量的PVC产品为了解决这一问题,作者开发了PVA - 2 0 80 ,以代替国外进口本试验经过两步聚合和部分醇解等过程,通过正交试验优化试验条件,得到了外观为白色粉末状颗粒、平均聚合度为 2 0 4 2、醇解度为 80 。77%的产品经小釜应用试验,效果比较理想
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At present, the products of our company have been exported to the United States, Sudan, Algeria and other countries.
目前,本公司产品已远销美国,苏丹,阿尔及利亚等国家。
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At present, one of the biodegradable fibers that cost most study efforts is alginate fiber .
目前,研究最多的生物可降解纤维之一就是海藻纤维。
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At present it is a part of the research project of the Area of Private International Law of the University of Alicante , financed by the Spanish Ministry of Science and Technology.
目前该网站是阿利坎特大学国际私人法领域研究项目的一部分,由西班牙科技部门提供资金支持。
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This text from of our country e- commerce environment of development, existing problem, how improve development environment and of our country development trend 3 of e-commerce at present, probed into and an aliped the current situation of e-commerce development of our country.
本文从我国电子商务技术发展的环境,存在的问题,目前我国电子商务的发展趋势三个方面,探讨分析了我国电子商务发展的现状。
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I'm all alone here at present.
我现在孤单一人在这里。
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At present, our products have been exported to all over the country and some areas of Southeast Asia.
目前我们的产品已远销全国各地及东南亚部分地区。
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At present, the company sales service network all over the country.
目前,公司销售服务网络遍布全国。
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At present, Chinese people have been striving for building a moderately prosperous society in all-around way.
当前,中国人民正在为实现全面建设小康社会的目标而奋斗。
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It should be noted that, at present there is no publicly available information that conclusively confirms this allegation.
应该被注意到的是,目前没有公开可得到的消息最终确认这一断言。
- 推荐网络例句
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This one mode pays close attention to network credence foundation of the businessman very much.
这一模式非常关注商人的网络信用基础。
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Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.
扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。
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There is no differences of cell proliferation vitality between labeled and unlabeled NSCs.
双标记神经干细胞的增殖、分化活力与未标记神经干细胞相比无改变。