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furan
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呋喃
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分类:
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详细解释:
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以下为句子列表:
英文: Abstract: Using furan sand to produce heavy diesel engine block and crankshaft eliminated defects of castings including “penetration/burn-in”,“shrinkage porosity”,“big dimension deviation” of cylinder block,“penetration/bum-in”,“misrun”and“run-out”of cran
中文: 文摘:树脂砂铸造工艺应用于大型球墨铸铁件整体铸造柴油机缸体、曲轴生产上消除整铸缸体“粘砂”、“缩松”、“尺寸偏差大”及曲轴“粘砂”、“浇不足”、“漏铁液”等铸造缺陷,具有明显的效果。
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英文: Fumo plastic, white latex, pressure, urine aldehyde plastic, ethanol diluted materials, construction plastic, strong plastic, Shuangzufen plastic, furan resins such as plastic manufacturing.
中文: 复膜胶、白乳胶、压敏胶、尿醛胶、乙醇稀料、建筑胶、大力胶、双组份胶、呋喃树脂胶等类制造。
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英文: Isolation and purification of dihydroagarofuran sesquiterpene in Celastrus angulatus was preformed with normal-phase and reserve-phase high performance liquid chromatography and detected with TLC and HPLC.
中文: 摘要为了优化苦皮藤中二氢沉香呋喃倍半萜类化合物分离纯化的方法,应用正相及反相高压制备柱层析相结合的方法进行分离纯化,以TLC及HPLC确定制备流动相条件并跟踪检测其分离效果。
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英文: On such a basis some useful countermeasures are pot forward, including strengthening the management of wetland nature reserves; screening out a first group of cities or counties where use of carbofuran should be prohibited; consummating the laws and regul
中文: 针对当前我国克百威农药使用量大,对湿地鸟类构成严重威胁的实际情况,提出了具体的保护对策,包括:筛选一批重要湿地自然保护区进行严格管护;筛选出我国首批禁用克百威农药的市、县;完善湿地鸟类保护与自然保护区法律法规建设;调整农药产品结构,示范推广高效低毒的新农药品种;提高自然保护区管理水平,对毒害鸟类案件严格执法;加强对农药销售和使用的管理。
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英文: The distribution law of furan content in oil of large step-down transformers in Shanghai Grid is researched by statistical analysis. The cautions in its application are presented.
中文: 摘要利用统计分析技术,研究了上海地区电网大型降压变油中糠醛含量的分布规律,提出了在其应用中应注意的问题。
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