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- herbicide of aliphatic acid 脂肪酸类除草剂
- OBJECTIVE To investigate into the component of aliphatic acid in Rhizoma Pinelliae Ternatae Praeparata . 目的研究半夏药材中的脂肪酸成分。
- Oil is absolutely necssary matter for growth of human body and also supplies him with high heat quantity, what is more it is his main origin of aliphatic acid. 摘要油脂是人类赖以生存必不可缺的组成部分，其所含必须脂肪酸和非必须脂肪酸的比例应适当。
- The arsenite reactions can be variously accelerated by the addition of aliphatic acids and hydroxy-substituted aliphatic acids. 加入脂肪酸和羟基取代的脂肪酸，可不同程度地加速亚砷酸盐的反应。
- After 90 days storage,the relative content of ethyl esters of aliphatic acids significantly increased to 34.86%,among which the critical one was 3-Nonenoic acid,ethyl ester(21.67%). 当贮藏90 d时脂肪酸乙酯类相对含量明显增加;达到34.;86%25;其中3-壬烯酸乙酯相对含量最高(21
- Product uses: Herbicide of killing weeds before they grow up. 产品用途:芽前除草剂。
- Determination of Content and Structure of Aliphatic Acid and Ester in Phizoma Phragmitis by GC-TOFMS 气相色谱-飞行时间质谱法测定芦根中脂肪酸和酯的含量和结构
- Catalytic synthesis of aliphatic acid esters by TiOSO_4 and the characterization of its catalytic activity TiOSO_4催化合成脂肪族的10种羧酸酯及其催化活性表征
- Study on the Salt Effect of Aliphatic Acids in Aqueous Salt Solutions 脂肪酸在盐水溶液中的盐效应研究
- But the proportion of necessary aliphatic acid and unnecessary aliphatic acid should be proper. 食用油脂与疾病的关系已研究了半个多世纪，主要集中于心脑血管疾病及癌症等方面。
- The method is especially suitable for determination of the content of aliphatic diamine in polyamide resin in the presence of weak organic acid. 此法特别适用于有机弱酸存在时聚酰胺树脂中脂肪族二胺含量的测定。
- PRELIMinARY STUDY ON REACTION MECHANISM OF DECARBONYLATION OF ALIPHATIC ACIDS TO 1-ALKENES BY Pd(PPh_3)_2Cl_2 Pd(PPh_3)_2Cl_2催化脂肪酸脱羰端烯化反应机理初探
- Polyester amide polyols were synthesized from adipic acid and RDEA which was the mixed polyol of aliphatic alcohol amide prepared with rapeseed oil and diethanolamine. 以菜籽油和二乙醇胺为原料制备了脂肪醇酰胺混合多元醇RDEA,进一步和己二酸等原料反应合成了系列的聚酯酰胺多元醇,并对两类多元醇进行了表征。
- These compounds contain sterols, terpenes, compounds containing nitrogen, long-chain aliphatic acid esters and long-chain aliphatic alcohol, etc. 化合物的类型主要涉及到甾醇类、萜类、含氮化合物类、长链脂肪酸酯和长链醇类。
- The GAC-sand biofilter could remove benzoic acid esters, aliphatic acid esters and phenols in the influent of the biofilter effectively. 活性炭、石英砂双层滤料生物滤柱可较大幅度地去除苯酸酯类、脂肪酸酯类和酚类等有机物。
- The arsenite reactions can be variously accelerated by the addition of aliphatic acids and hydroxy-substituted aliphatic acids 加入脂肪酸和羟基取代的脂肪酸，可不同程度地加速亚砷酸盐的反应。
- These compounds contain sterols,terpenes,compounds containing nitrogen,long-chain aliphatic acid esters and long-chain aliphatic alcohol,etc. 化合物的类型主要涉及到甾醇类、萜类、含氮化合物类、长链脂肪酸酯和长链醇类.
- It also analysed the principles,the route and technology of synthesis methods,and clarified the new preparation process of two typical aliphatic acid derivative. 具体阐述了两种典型的脂肪酸衍生物脂肪酸甲酯和脂肪酸甲酯磺酸钠的合成新工艺。
- How can I persuade you of my sincerity? 我如何能够让你相信我的诚意？
- There is a vein of melancholy in his character. 他的性格中有少许忧郁的气质。
