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The structure of di-n-propyl phosphite and propaphos prepared were identified by IR and 1H-NMR spectra.
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二正丙基亚磷酸酯和丙虫磷的结构用IR和1H-NMR表徵。 |
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The structure of electricity heating-tube arid the reason of accident are discussed based on some problems raised in the air-cycle resistance furnace, and the effective measure and several aspects should be taking into account in designing are put fornard
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摘要根据电加热管在空气循环低温电阻炉上应用中出现的一些问题，对电加热管的结构和事故原因进行了分析，通过分析提出了有效的改进措施，明确了电加热管在设计中应注意的事项。 |
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The structure of family expenditure which is an important market demand changes constantly, affected by various factors like income, market supply and demand, price, etc.. Moreover, this change and its law is not only the important content of micro-econom
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摘要家庭消费作为重要的市场需求，其结构在收入、市场供求、价格等各种因素的影响下不断发生变动，而这种变动及其规律既是微观经济运行的重要内容，又是研究市场供求关系及其运行机制，引导社会生产的重要依据。 |
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The structure of fertilizers was studied by Scaning Electronic Microscopy (SEM), and the nutrient release characteristics were studied using water dissolution rate method and soil column leaching method. [Result] The 24 hours N water dissolution rates of
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［方法］以不同类型和吸水倍率的高吸水性树脂为包膜材料，以大颗粒尿素和改性矿物包膜尿素为原料肥料，研制出高吸水性树脂单层包膜尿素、高吸水性树脂复式包膜尿素系列产品，利用电子扫描电镜研究了其结构特征，并以水中溶出率法和模拟土柱淋溶法研究其养分释放特性。 |
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The structure of jet-electrodeposition nozzle is optimized according to the analytic result of the flow characteristic.
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将解析结果以可视化的速度场给出，从而针对喷嘴过流特性的分析结果，对喷嘴的结构进行改进。 |
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The structure of mirtazpine was confirmed by 1H-NMR (H^1-nuclear magnetic resonance) and MS (mass spectrum), and the purity was 99.79% by HPLC.
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1-甲基－3-苯基哌嗪与2-氯－3-制氰基吡啶亲核取代，再经水解、还原和环合等反应得到米氮平，总收率为22.6%，结构经1H-NMR和MS（质谱）确认，HPLC含量为99.79%。 |
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The structure of montmorillonite and its organizing modifiction are introduced; the mechanism and methods of its preparation are summarized; then, the research development of polymer/montmorillonite at home and abroad are reviewed; the further development
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摘要介绍了蒙脱土的结构及有机化改性的方法，聚合物／蒙脱土纳米复合材料的制备原理和方法，然后对聚合物／蒙脱土纳米复合材料的国内外现状和发展作了综述，并对其进一步应用作了展望。 |
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The structure of ownership system &the level of market are two basic conditions for constructing public finance model.
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摘要所有制结构和市场化水平是构建公共财政模式的两个基本条件。 |
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The structure of shearwall has been used in multi-storey buildings.
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摘要剪力墙结构被广泛应用于多、高层建筑。 |
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The structure of the brain is complicated.
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头脑的构造复杂。 |
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The structure of the new rod baffle and its manufacturing process are described.
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探讨了新型折流栅的制造方法。 |
