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- Structural Modification of Pachymaran and the Mechanism Interaction between Azur A[J]. 引用该论文 高贵珍;焦庆才;李绪亮;钱玉梅.
- The total chemical synthesis, structural modification and structure-activity relationship of huperzine A have been systematically reviewed. 本文系统地综述了石杉碱甲的全合成方法、结构改造工作及构效关系的研究。
- The total synthesis, structural modification and structure-activity relationship of huperzine A have been systematically reviewed. 本文系统地综述了石杉碱甲的全合成方法、结构改造工作及构效关系的研究。
- Conclusions After chemcial structural modification,the water-solubility,absorption and therapeutic effect of Quercetin were all increased. 结论将槲皮素进行化学结构修饰后可增加其水溶性,增加人体吸收,增强疗效。
- We assume that the structural modification of oridonin would produce novel drug candidates with improved solubility and higher potency than oridonin. 本文试从药理作用、构效关系及其衍生物等方面对冬凌草甲素的研究概况作一综述。
- Pentacyclic triterpenes are among the most important bioactive compounds and biotransformation is a very useful tool to carry out the structural modification on these compounds. 五环三萜是一类重要的天然产物,研究发现生物转化能够对该类化合物进行多种类型的结构修饰。
- Structural modification is still popular and important in the area of finding novel quinolone antibacterial agents with more potential activity and broad spectrum. 对喹诺酮类化合物进行进一步的结构修饰,以便获得活性更强,活性谱更广的新喹诺酮类抗菌药,仍是抗感染化疗领域近几年的热点领域之一。
- In this scheme, a TPG is designed by a low cost structural modification of an accumulator with an algorithm for single input change test sequence generation. 该方案通过对累加器结构作低成本的设计改进,并通过一种高效的单跳变序列生成算法设计了时延故障测试序列生成器。
- By comprehending the mechanism of antibacterial activity and bacterial drug resistance,the approaches of structural modification such as semisynthesis,biosynthesis and total synthesis were summarized. 现综述四环素类抗生素的抗菌作用及耐药机制,并简要列举采用半合成,生物合成与全合成法进行结构修饰的研究进展。
- The plant growth and antifungal bioactivities of title compounds were tested and the data suggested that after the structural modification most title compounds have better bioactivity than NAE18. 对所合成的标题化合物进行了植物生长调节和杀菌活性的测定,初步生测结果表明:经过结构修饰后,大多数目标化合物的活性相对NAE18有所增强,但有关生物活性仍有待进一步研究。
- Nowadays, efforts are still being devoted to the structural modification of these pharmaceutically important molecules, for enhancing the activity or modifying the activity profile. 当卓环与一些五元杂环,特别是三唑环并合后,其活性可得到进一步改善或提高。
- In this thesis, the synthesis and its structure modification of bioactive stilbenes have been studied. 本论文研究了具有生物活性的芪类化合物的合成与结构修饰。
- METHODS: Structure modification to the carbomethoxy of DDB to synthesize some symmetrical and asymmetrical biphenyl anlogues. 方法:对联苯双酯的酯基进行结构修饰,合成了一些对称和不对称的联苯双酯类似物;
- DMDHEU-treated vinylon appeared a characteristic absorption peak at 1,700 cm~(-1) in infra-red spectra, indicating chemical structure modification. 处理后的维纶在红外光谱中1700厘米~(-1)处出现特征吸收峰;表示化学结构的改变.
- The simulation results indicate that the influence trend and notability of the structure modification are relative to the modified position. 分析结果表明,结构修改的影响趋势和显著性都与具体的修改部位有关。
- In this review, the mechanism, structural modifications and structure-activity relationship of PDFIs are summ... 综述该类药物的作用机制、结构修饰和构效关系。
- In order to look for new antidiabetic compounds, we have improved the method of isolating mangiferin and studied on structure modification of mangiferin. 为了寻找新的抗糖尿病化合物,我们改进了知母中芒果苷的提取分离工艺,并对芒果苷进行了结构修饰研究。
- Structural modifications with amine or ethoxylation further enhance their utility. 通过胺和乙氧基化的结构改性进一步增加了它们的用途。
- chemcial structural modification 化学结构修饰
- Structural modifications are those that change the size of the list, or otherwise perturb it in such a fashion that iterations in progress may yield incorrect results. 结构性更改指改变列表大小,或者其他方式使得遍历过程中 结果不正确。