methyl ester 中文意思是什麼

methyl ester 解釋
甲脂
  1. Acetyl butyric acid methyl ester 98 % min

    乙酰基丁酸甲酯
  2. Fame. fat and oil derivatives - fatty acid methyl esters - determination of ester and linolenic acid methyl ester contents

    脂肪和油的衍生物.脂肪酸甲酯
  3. All data indicated that f i was a pure substance. third, using modern analytic techniques such as nucleic magnetic resonance ( nmr ), infrared spectroscopy ( ir ), ultraviolet visible absorption spectra ( uv ) and mass spectrometry ( ms ), we analyzed the basic chemical structure of f i and nominated it phthalic acid di ( 3 - methyl ) nanyl ester ( pdne ). we estimated primarily it was a novel natural compound

    第三，利用核磁共振，紅外光譜，紫外分析，質譜等現代分析測試技術對分離提取物f進行結構鑒定，解析出f的結構，初步推斷該物質為鄰苯二甲酸- （ 3 -甲基）壬酯（ pdne ） ，根據目前所掌握的資料，還沒有檢索到該物質相關的報道，初步認定為一種新型的天然產物。
  4. D - tryptophan methyl ester

    色氨酸甲酯
  5. Enzymatic ammonolysis of - and - phenylglycine methyl ester in organic solvent

    苯甘氨酸甲酯的氨解反應
  6. Abstract : renews in this paper of the surfactant oil based for surface activies agent of anionic ( alcohol sulfate, sulfonata, acetyl cyanamid, and oleie methyl ester sulfonat etc. ) surface a ctivies agent of nonionic ( apg, alcohol polyxyethnyl ether, alkyl polyoxyethnyl alnyl hydroxyl ether etc. ), for technique improvement and develcpment trends

    文摘:綜述了油基表面活性劑中陰離子表面活性劑（醇硫酸鹽， -磺酸鹽、酰基氰胺、油酸甲酯磺酸鹽等） ，非離子表面活性劑（ apg 、脂肪醇聚氧乙烯烷基醚、烷基聚氧乙烯烷基羥基醚等）的技術進展及今後發展趨勢。
  7. Study on the dimethoxyacetic acid methyl ester synthesis

    二甲氧基乙酸甲酯的合成研究
  8. A substance extracted from mycelia with benzinum was studied for the first time. five compositions were found : butylated hydroxytoluene, n - hexadcanoic acid, 9, 12 - octadecadienoic acid methyl ester, eicosane and hexacosane. the paper provided scientific basis data for researching mainly biologic characteristics and active compositions of mycelia from phellinus igniarius cultured with solid and liquid culture media

    首次對菌絲體的石油醚提取物進行定性分析，確定該菌絲體中含有二丁基夯基甲苯、棕桐酸、 9 ， 12一十八碳二烯酸甲醋，二十碳烷及二十六碳烷，這五種物質均為在桑黃菌絲體中首次發現。
  9. According to the purity and the activity recovery, the recombinant enzyme was well purified by both of these two separation combinations. like natural gloshedobin, the recombinant enzyme exhibited strong esterase activity using tripeptide p - nitroanilide derivatives as substrate, but hydrolyzed n a - p - tosyl - l - arginine methyl ester ( tame ) or n a - benzoyl - l - arginine ethyl ester ( baee ) very weakly

    與天然蛇毒類凝血酶一致，當用三肽p山itroanilide衍生物作為底物時，分泌表達的重組大連蛇島蝗蛇毒類凝血酶具有較強的生色底物活性，但用精氨酸甲酯如tame （ na廠tosyl l ar 。
  10. In this paper, a new class of concrete high performance water reducer ( hpwr ) was designed from chemical classification of high performance wra, working principle and unit structure model of poly - carboxylate series wra. the comb - like copolymer structure of hpwr was " carboxylic group - ether link - ester link ". the synthetic chemical materials was polyethylene glycil, acrylic acid and methyl - metacrylic acid ester

    本文從高性能減水劑的化學結構、作用機理以及聚羧酸類減水劑的單元結構模型出發，設計出國內所沒有的一類新型高性能減水劑? ? 「羧酸?醚鍵?酯鍵」為單元結構模型的梳型分子結構的減水劑共聚物，並確定了以聚乙二醇（ peg ）系列、丙烯酸（ aa ） 、甲基丙烯酸甲酯（ mma ）為合成該類減水劑的主要化學原料。
  11. Phaeophorbide - a methyl ester

    脫鎂葉綠酸甲酯
  12. The effect of carboxy methyl cellulose, high ester pectin and propy leneglucolalginate were significant, and we experienced the synergic effect of them by positive cross assay

    增稠劑羧甲基纖維素鈉、高酯果膠及藻酸丙二醇酯能夠顯著提高調酸果奶的穩定性，並通過正交試驗進行增稠劑的復配。
  13. The results showed that the acidic juice - milk could preserved stablely by adding multiple stabilizer consisted of 0. 14 % high ester pectin, 0. 20 % sodium carboxy methyl cellulose, 0. 175 % propy leneglucolalginate, 0. 12 % sodium citrate

    結果表明：添加0 . 14 %高酯果膠、 0 . 20 %羧甲基纖維素鈉、 0 . 175 %藻酸丙二醇酯復合增稠劑與0 . 12 %檸檬酸鈉，可使調酸果奶達到良好的穩定效果。
  14. Bromo propionic acid methyl ester

    氯丙酸甲酯
  15. L - tyrosine methyl ester

    酪氨酸甲酯
  16. For instance, in the above case the methyl ethyl phenylmalonate may be accompanied by the products formed by ester - interchange reactions, namely the dimethyl and diethyl phenylmalonates

    比如在上面的例子中，甲基乙基苯基丙二酸酯伴隨有酯交換反應形成的產品，也就是二甲基苯基丙二酸酯和二乙基苯基丙二酸酯。
  17. So the fatty acid methyl ester composition of a boidiesel fuel can be predicted by the fatty acid composition of its vegetable oil

    因此，可以通過測定植物油中脂肪酸的組成來預測生物柴油中脂肪酸甲酯的分佈。
  18. Arecaidine methyl ester

    檳榔碇甲酯
  19. Nitro - l - arginine methyl ester inhibits the upregulated expression of nitric oxide synthase nmda receptor in the morphine analgesia tolerance rats

    一氧化氮合成酶n -甲基- d -天冬氨酸受體表達上調
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