酯價 的英文怎麼說

中文拼音 [zhǐjià]
酯價 英文
ester value
  • 酯 : 名詞[化學] （有機化合物的一類） ester
  • 價 : 名詞1. （價格） price 2. （價值） value 3. [化學] （化合價） valence
  1. Synthesis methods for natural anticancer drug caffeic acid phenylethyl ester were reviewed and their advantages and disadvantages were described with 55 references

    摘要介紹了天然抗癌藥咖啡酸苯乙醇酯的各種化學合成方法，並評價了其優缺點。參?文獻55篇。
  2. First, a terminal double bond was introduced into 3 - amino - 9 - ethylcarbazole ( aec ) via methacryloyl chloride to obtain the compound, 3 - ( n - methacryloyl ) amino - 9 - ethylcarbazole ( mec ). second, mec was copolymerized with butyl methacrylate to prepare the mec - immobilized polymer particles. the resultant polymer particles were used as a fluorescence probe, which was almost free of dye leaching, and had higher photostability in comparison with free aec

    首先利用甲基丙烯酰氯向3 -氨基- 9 -乙基咔唑（ aec ）分子中引入末端雙鍵，得到帶末端雙鍵的熒光指示劑3 - （ n -甲基丙烯酰基）氨基- 9 -乙基咔唑（ mec ） ，然後通過乳液聚合技術將mec共價固定到聚甲基丙烯酸丁酯基體上，制得一種共價固定了mec的聚合物顆粒。
  3. Essential oils. determination of ester values, before and after acetylation, and evaluation of the contents of free and total alcohols

    香精油.乙酰化前和后酯值的測定和游離醇及總醇含量的評價
  4. In this text, the developments of hydroformylation of methyl oleate and oleyl alcohol, as well as the reactions and applications of its final products were reviewed

    本文綜述了對化學工業具有潛在經濟價值的油酸甲酯和油醇的氫甲酰化反應的進展，並介紹了反應產物的應用前景。
  5. The main results of this work are summarized as follows : 1. for the first time, biomimetic bulk acoustic wave ( baw ) sensors based on the molecularly imprinted polymers ( mips ) were fabricated and applied to the determination of phenobarbital and pyrimethamine in organic and aqueous solution, respectively

    採用非共價印跡技術以-甲基丙烯酸為功能性單體、乙二醇二甲基丙烯酸酯為交聯劑首次制備了液相分子印跡體聲波仿生傳感器，並分別在有機相和水相中測定了藥物苯巴比妥和乙胺嘧啶。
  6. Cheapness is one of the main attractions of polyester resins.

    廉價是聚酯樹脂受到歡迎的主要原因之一。
  7. Evaluation on efficacy and safety of candesartan ciexetil in treatment of mild - to - moderate essential hypertension

    國產坎地沙坦酯膠囊治療輕中度原發性高血壓療效和安全性的評價
  8. Advice was given that pyrethroid should be used scientificly, the application concentration of cycloprothrin, etofenprox and cypermethrin of water area should be less than 0. 685 mg / l, 0. 057mg / l and 0. 020 ug / l respectively

    本研究正是針對目前擬除蟲菊酯農藥的管理和使用中存在的這些迫切問題而進行的，研究結果可為擬除蟲菊酯的合理使用與安全性評價提供重要科學依據。
  9. Fucoidans is a unique class of sulfated polysaccharide with many special activities. and oligosaccharides from fucoidans are more valuable than the whole fucoidans due to their low conglutination and high solubility. in this paper, samples are collected from different coastal areas in qingdao in order to obtain bacteria producing fucoidanase

    巖藻聚糖硫酸酯是一種獨特的活性多糖，而由其降解得到的寡糖，由於粘度低，溶解性好等優點而比原生的巖藻聚糖硫酸酯更有利用價值。
  10. Abstract : quantitative genetic variation in larval tolerance to cyhalothrin and fenvalerate was examined in a pyrethroid - resistant population of cotton bollworm, helicoverpa armigera ( h & uuml ; bner ) was examined with half - sibling analysis and significant additive genetic variation in larval tolerance was detected, demonstrating that tolerance phenotypes in this population are highly heritable ( h2n narrow sense heritability = 0. 4625 0. 1578 ) to fenvalerate than that to cyhalothrin ( h2n = 0. 2476 0. 0248 )

    文摘:通過單對交配設計不同的交配家系，採用半同胞法分析了棉鈴蟲對三氟氯氰菊酯和氰戊菊酯的抗性狹義遺傳力，並對2種菊酯類藥劑的抗性發展速度進行評價。
  11. This paper proposed a convenient way for producing disulfides, along which disulfides can be readily prepared in moderate to good yields via the reduction of alkylthiocyanates by the low - valent titanium reagent in thf at 0

    在四氫呋喃、 0反應條件下，低價鈦試劑能容易地還原硫氰酸酯生成相應的二硫化物，得到中等至良好的產率
  12. The study of biocompatibility of polyurethane sponges made in china

    評價幾種國產聚氨酯海綿的生物相容性
  13. Finally, paper takes the decomposing explosion of methyl nitrate as an example to illustrate how to use this approach to quantitatively evaluate the potential dangers in such exothermic reaction system with possibility of thermal explosion

    用硝酸甲酯分解爆炸實例，說明如何利用安全指數對具有熱爆炸可能性的系統的潛在危險性進行定量評價，其預測結果與實驗結果一致。
  14. Such conclusion can be made according to the prior analysis that shannon theory can be introduced into risk management to estimate risk, appraise risk and make decision. furthermore, the result of analysis on the project in the dissertation is is consistent with the fact, that is to say, choosing the daxie island, ningbo as the plant site for the project accords with the conclusion of the paper

    通過前面各章的分析，得出結論：在風險管理中，完全可以引入熵的理論，進行風險的估計、評價和決策，同時，利用該理論得出的結論與實際情況是相符的，即煙臺萬華聚氨酯股份有限公司16萬噸年mdi工程最終廠址選擇在寧波大榭島，與本文的結論是一致的。
  15. There are kinds of polycarbonate ( pc ), it is worth a kind of engineering materials for bisphenol a - polycarbonate, its main shortcoming are crazed easily, high molten body viscidity and difficult forming process characteristic, so many kinds of modified methods are brought into effect for it

    摘要聚碳酸酯品種較多，作為工程材料最有價值的是雙酚a型聚碳酸酯，其主要缺點是易開裂，熔體粘度高，成型加工較困難，為此進行了各種改性方法。
  16. Based on the fact and anticipation of high crude oil price, and comparison of various synthesizing routes, it is suggested that the routes using methanol and formaldehyde or oxalate as the intermediums should be developed according to the recent economical and technological conditions

    在比較不同工藝路線的同時，從現有的經濟技術條件出發，尤其是根據原油價格高漲的實際情況和預期，提出了大力發展甲醇甲醛合成法和草酸酯法合成乙二醇的戰略思路。
  17. The rigidity and strength performance such as tension bend, torsion of composite laminated plates are calculated by use of classical lamination theory, and then analyses the experiment methods for rigidity and strength of laminate in detail, the comparison of theoretical analysis and experimental result shows good consistent, which indicate that the theoretical analysis and experimental method presented there is applicable for design and manufacture of military medical shelter laminate. in addition, theoretical analysis is taken for heat preservation and insulation performance of the laminate material by use of stable plate heat conduction method

    採用經典迭層理論，計算了軍用醫療方艙復合夾層大板材料的拉伸、彎曲及扭轉等剛強度性能，由此深入研究了夾層大板材料彎曲剛強度性能試驗方法，對理論分析進行了試驗驗證，結果表明該課題提出的理論分析和試驗方法適于軍用醫療方艙鋁塑復合夾層大板力學分析，對軍用醫療方艙鋁-聚氨酯-鋁復合夾層大板的力學結構設計和製造具有重要的應用價值。
  18. The results shows that the concentration of acetylcholinesterase in earthworms was low, it was not steady and its loss during purification process was great

    且純化過程中損失較大，結果欠佳；活化載體共價結合法固定得到的乙酰膽堿酯酶酶膜活性高，酶不易損失，重現性好。
  19. Objective to evalute reaction selectivity to high - density lipoprotein cholesterol ( hdl - c ) of modified cholesterd esterase

    摘要目的：對膽固醇酯酶進行修飾，評價修飾酶的反應選擇性。
  20. Along with tile rapid development of chirality science, the preparation of optically active chiral lactones is becoming increasingly important for research in chemistry and biochemistry

    摘要隨著手性科學的快速發展，獲取手性內酯的單一對映體具有重要的研究和應用價值。
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