单体
- 与 单体 相关的网络例句 [注:此内容来源于网络,仅供参考]
-
Those biodegradable materials finally form into CO2 and H2O via culture of tricarboxylic acid cycle, which can be excreted from lung, kidney, and skin. Hydroxyacetic acid is a metabolic product of amino acids. Therefore, velocity of bioldegradable materials can be controlled in vivo. The recent contraception focuses on discover a sustained release system of biodegradable materials.
生物可降解材料包括聚乳酸、聚ε-己内酯、乳酸-羟基乙酸共聚物等,这些材料有很好的生物相容性,植入体内后可经生物降解成乳酸单体,经三羧酸循环后最终成为CO2和H2O,经肺、肾、皮肤排泄,羟基乙酸也是机体氨基酸代谢产物,而且生物可将解材料在体内降解速度是可控的,用生物降解聚合物作为药物载体的缓释避孕系统是目前材料学以及避孕节育研究的一大重点。
-
OBJECTIVE: To observe the changes of polymerization of fibrin monomer after the treatment of trauma so as to explore an effective means for assisting the prediction of post-traumatic hypercoagulability and thrombosis.
目的:观察创伤患者治疗前后纤维蛋白单体聚合功能的变化,探索预测创伤后高凝状态和血栓形成的有效辅助手段。
-
Determining the polymerization of fibrin monomer can be taken as an effective means for assisting the prediction of posttraumatic hypercoagulability and thrombosis.
纤维蛋白单体聚合功能测定可作为创伤后预测高凝状态和血栓形成的有效辅助手段。
-
METHODS The methanol extract of the pericarp of Illicium temstroemioides was separated with various chromatographic techniques,and their structures were elucidated by physiochemical and spectral analysis.
利用核磁共振、质谱、红外等方法对分离得到的单体化合物进行结构鉴定。
-
Objective: To discuss how to extract the indirubin of the higher purity from Indigo Naturalis.
目的:探讨从青黛提取较高纯度靛玉红单体的方法。
-
The indirubin of the higher purity was attained by the simple experimental method.
利用较简单的实验路线,从青黛中得到较高纯度的靛玉红单体。
-
Quercetin, quercetin rhamnoside, hyperin, syringoside and eleutheroside E wereisolated from the flower of Acanthopanax senticosus. Searching bioactive natural compound and establishing quality evaluation standard arefocused on this experiment. Using cold immersing of 70% methanol to extract from flower ofAcanthopanax senticosus and integrating macroporous resin, silica gel column chromatography,sephadex gel to abstract. We obtained five monomer compounds (compoundⅠ-compoundⅤ),quercetin, quercetin rhamnoside, hyperin, syringoside and eleutheroside E. That five compoundswere determined by HPLC in eight parts of Acanthopanax senticosus (flower, root, leaf fruit,shoot, new shoot, phloem of shoot, skin of shoot), which provide science bases for establishingquality evaluation system and settle infarctate foundation.
本文以从刺五加花蕾中寻找具有重要生物活性的天然化合物和建立质量评价标准为主要目的,对其化学成分进行研究,采用70%甲醇冷浸的方法对刺五加花蕾中的成分进行提取,运用大孔树脂吸附色谱法、硅胶柱层析法以及葡聚糖凝胶柱层析相结合的方法进行分离,得到5种单体化合物,分别为槲皮素、槲皮素鼠李糖苷、金丝桃苷、紫丁香苷和刺五加苷E;利用高效液相色谱法对这5种化合物在刺五加花蕾中的含量进行了测定;考察了8个部位(花蕾、根、叶、果、茎干、新枝、茎韧皮部、茎皮)中这5种化合物的含量分布情况,并作一比较,为今后建立刺五加质量评价体系提供了科学依据,奠定了坚实的基础。
-
A hybridized material consisting of polyacrylic acid and kaolin is found to have high water absorbent performance.This polymer/inorganically hybridized material is synthesized by polymerization and cross linking reaction.
在高岭土存在下,以 N,N-亚甲基双丙烯酰胺作交联剂,以过硫酸钾作引发剂,部分中和的丙烯酸单体进行聚合交联反应,合成高聚物/无机杂化高吸水性材料。
-
Samples of five sets of different mole ratios of the catalyst and caprolactam were sealed inseparate tubes and heated at 230±1° in a specially designed tube furnace.
测定其各组试样在各反应时间后所得聚合产物中的单体含量,低聚体含量和聚合体生成量,以及聚合体的数均分子量。
-
The invention also relates to a process for manufacturing the interpolymer product wherein the process comprises employing two or more single site catalyst systems in at least one reaction environment and wherein the at least two catalyst systems have different comonomer incorporation capabilities or reactivities and/or different termination kinetics, both when measured under the same polymerization conditions.
本发明也涉及制造共聚体产物的方法,其中方法包括在至少一个反应环境中采用两种或多种单活性点催化剂体系并且其中当在相同聚合条件下测量时,至少两种催化剂体系具有不同共聚单体引入能力或反应性和/或不同终止动力学,两者。
- 推荐网络例句
-
For a big chunk of credit-card losses; the number of filings (and thus charge-off rates) would be rising again, whether
年美国个人破产法的一个改动使得破产登记急速下降,而后引起了信用卡大规模的亏损。
-
Eph. 4:23 And that you be renewed in the spirit of your mind
弗四23 而在你们心思的灵里得以更新
-
Lao Qiu is the Chairman of China Qiuyang Translation Group and the head master of the Confucius School. He has committed himself to the research and promotion of the classics of China.
老秋先生为中国秋阳翻译集团的董事长和孔子商学院的院长,致力于国学的研究和推广。