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- The derivative of the step is the impulse. 阶梯的导数就是脉冲。
- the derivatives of pyridine 吡啶衍生物
- The derivation of the poem isn't confirmed. 这首诗出处不详。
- The Derivative of a Map between Vector Spaces. 向量空间之间映射的微分。
- This paper is concerned with the derivation of optimum data... 本文介绍了求出......最佳数据的方法。
- Fifthly, the derivation of control output and fuzzy controltable. 第五,求解控制输出和模糊控制表。
- Isopropylidene5-(1cyanoalkyl) malonates were synthesized by Michael addition of cyanide to the derivatives of isopropylidene methylenemalonate. 摘要对5-位不饱和双键的氰化加成进行了研究,合成了一系列新的5-氰基甲基丙酸亚异丙酯的衍生物。
- Three synthetic methode of the derivatives of 2-substuted imidazoline were discussed in this paper. 本文探讨了2-取代咪唑啉衍生物的三种合成方法。
- Objective: To design and synthesize the derivatives of 7-hydroxy isoflavone ferulate. 目的:设计与合成7-羟基异黄酮阿魏酸酯衍生物。
- OBJECTIVE To observe the anticholinergic activity of the derivatives of anisodamine and summarize the structure-activity relationship. 目的观察山莨菪碱衍生物的抗胆碱活性,总结其构效关系。
- The derivatives of green tea have amazing anticarcinogenic properties, as well as the potential to reduce inflammation and provide antioxidants. 绿茶的衍生物具有惊人的抗癌作用,同样也可以减少炎症并且作为抗氧剂。
- Methods for calculating the derivatives of eigenpairs corresponding to simple eigenvalues and nondefective multiple eigenvalues are presented. 提出了阻尼动力系统规范化特征向量的一个策略,分别给出了计算该系统单特征对和重特征对导数的方法。
- Meldrum's acid and the derivatives of Meldrum's acid have been widely used in fine chemical and pharmaceutical industry. 它的衍生物同样也是合成多种化合物的有用的中间体。在精细化工和制药工业中米氏酸及其衍生物被广泛的应用。本文主要是研究了肼基亚甲基米氏酸的合成。
- The derivatives of ferrocenyl diarylethylene were prepared by a crossed titanium-induccedcarbonyl-coupling reaction with the yield of 74%. 通过低价钛引起的交叉羧基还原偶联合成了二茂铁基二芳基乙烯衍生物。
- Abstract : The derivatives of HNS were optimized to obtain their molecular geometries and electronic structures at the DFT-B3LYP/ 6-31G* level. 摘要 : 用量子化学密度泛函理论方法,在B3LYP/6-31G*水平下,对六硝基芪衍生物进行了几何构型全优化和电子结构计算。
- Furthermore, I synthesize the derivatives of nordihydroguaiaretic acid (NDGA) and novel platinum complexes as a new anticancer agents. 同时,我亦从事木酚素之糖类衍生物与新颖铂类药物作为新型抗癌药物之研究。
- CONCLUSIONS The derivatives of nithiocyanmine (their sodium salts) with glycine and alanine had good solubility in water. 结论硝硫氰胺的氨基酸衍生物的钠盐水溶性良好。
- Conclusion The derivatives of emodin can be regarded as promising potential antitumor agents and it is worthy of being investigated continually. 结论大黄素类化合物是一类很有希望的肿瘤抑制剂,值得进一步开发研究。
- The derivation of sample on microchip was summarized. 同时简述了样品在芯片上的衍生化过程;
- It is interesting for him to study the derivative of a vector. 对他来说,研究矢量的导数是很有趣的事。