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The advance in the basic research of structure and properties of silica in rubber industry was reviewed with 18 references. The application of silica in tire tread was briefly introduced.
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摘要介绍了白炭黑的结构特点、改性方法及其对胎面胶结构和性能的影响，简述了白炭黑在轮胎中的应用。 |
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The advance in the research on two kinds of biodegradable composites prepared from vegetable cellulose material, namely, biodegradable plastics with vegetable fibres as one of components and biodegradable plastics with liquefaction products of vegetable f
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摘要综述了近年来以植物纤维素材料爲共混组分制备生物降解复合材料，或将植物纤维液化后作爲反应组分制备生物降解复合材料的研究进展。 |
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The advance of chiral phosphate-ester (phosphonate-ester) [phosphoramides (phosphonyl-amide)] in asymmetric alkylation reaction, Aldol reaction, hydrogenation reaction, cyanosilylation reaction was reviewed with 48 references.
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讨论了手性膦(磷)酰胺及膦(磷)酯酯催化剂在不对称烷基化、不对称缩合、不对称氢化、不对称氰矽化等反应中应用的最新研究进展。参考文献48篇。 |
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The advance of flavonoids in structure characteristics, methods of separation and exaction in recent years were summarized in this paper, and the future study trends was discussed and developed.
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文章综述了近些年来黄酮类化合物在结构特征、功能研究以及提取方法等方面的研究进展，并对未来研究方向进行了讨论和展望。 |
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The advance payment and the Technical Service fee shall be paid by Documents against Payment (D/P).
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预付款和技术服务费以付款交单(D/P)的方式支付。 |
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The advance photo-sensor control system can automatically adjust to cut at the exact position within 2 bags.
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采用先进光电眼控制系统，能在两袋内准确分切包装袋。 |
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The advance testing of something, such as a questionnaire , a product, or an idea.
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一份调查问卷有500人作答,是否能真正代表全国人民的意见? |
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The advance testing of something, such as a questionnaire, a product, or an idea.
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预先测试在正式测试答卷、产品或观点之前进行的考试 |
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The advanced and reliable characters are sufficient proved in transmission network for telecom, electric power, water conservancy, oil field, traffic, telecast and broadcast, etc.
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产品的先进性与可靠性已在遍及全国二十多个省的电信、电力、水利、油田、交通、广电等传输网络中得到了充分的验证。 |
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The advanced calculator in adoption in company equipments profession manufacturing is every kind of to reduce to shake spring coil, hardware spring coil, every kind of precise and small spring coil...etc.
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公司采用先进计算机设备专业制造各种减震弹簧、五金弹簧、各种精密小弹簧等。 |
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The advanced class starts at ten o'clock.
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高级健身课十点钟开始。 |
