甲基化劑 的英文怎麼說

中文拼音 [jiǎjīhuàjì]
甲基化劑 英文
methylating agent
  • 甲 : Ⅰ名詞1 （天乾的第一位） the first of the ten heavenly stems2 （爬行動物和節肢動物身上的硬殼） she...
  • 劑 : Ⅰ名詞1 （藥劑; 制劑） a pharmaceutical or other chemical preparation 2 （某些有化學作用的物品） a...
  • 甲基 : methyl; methylium; carbinyl; hexanone
  1. Manufacturer of fine chemicals, and pharmaceutical and agrochemical intermediates, offering a small but diverse range of predominantly aromatic chemicals. located in shanghai and lanxi, china

    -生產芐胺，鄰氯苯甲酰氯，對氯苯甲酰氯， n甲基芐胺， -苯乙胺，糠胺，四甲基己二胺，延遲催化劑，聚氨酯催化劑，農藥中間體
  2. The results suggested that the ph value, the type of monomers, the type, concentration and surface properties of inorganic nanoparticles, the type and concentration of emulsifier have a great influence on the encapsulating emulsion polymerization and the obtained latex stability. if selecting cationic emulsifier ( ctab ), low water soluble monomers ( such as ba, st ) and hydrophobic nano - silica, the inorganic nanoparticles would be encapsulated by polymers through ultrasonic irradiation successfully under alkalescent condition

    系統研究了ba 、甲基丙烯酸甲酯（ mmal苯乙烯舊t ）以及它們的共聚體系在超聲輻照作用下包裹聚合的主要影響因素，結果表明： ph值、單體的種類、無機納米粒子的種類、濃度及表面性能、乳化劑的種類及濃度等對超聲輻照包裹乳液聚合以及復合體系的穩定性有較大的影響。
  3. Study on spinel - supported pd catalyst for the synthesis of 2, 6 - dimethylaniline by gas phase amination

    二甲基苯酚氣相胺化催化劑的研製
  4. In the synthesizing process, the ph value in hydroxymethylated stage, the reaction time, temperature and the moore ratio of sodium bisulfate to melamine in the sulfonated stage, and die ph value in the condensation stage, are important factors influencing on the performance of jd

    在合成過程中，羥甲基化階段的ph值，磺化階段的ph值、時間、溫度和投料摩爾比，縮合階段的ph值等對減水劑性能影響顯著。
  5. The preparation method of methyl 1 - naphthylacetate catalyzed by sulphuric acid, hydrochloric acid, chlorosulfonic acid, p - toluene sulfonic acid, amino sulfonic acid, strongly acidic cationic exchange resin, ferric chloride hexahydrate, stannic chloride pentahydrate, aluminium chloride, ferric sulfate, aluminium sulfate, titanium sulfate, sodium bisulfate monohydrate, solid super acid, heterpoly acid, support heterpoly acid, composite titanate and p - toluene sulfo - chloride etc. catalyst were reviewed

    摘要評述了硫酸、鹽酸、氯磺酸、對甲苯磺酸、氨基磺酸、強酸性陽離子交換樹脂、六水三氯化鐵、五水四氯化錫、三氯化鋁、硫酸鐵、硫酸鋁、硫酸鈦、一水硫酸氫鈉、固體超強酸、雜多酸、固載雜多酸、復合鈦酸酯和對甲苯磺酰氯等催化劑催化合成1 -萘乙酸甲酯的方法。
  6. The methods for synthesizing p - hydroxyl ethyl benzoate catalyzed by sulfuric acid, p - toluene sulfonic acid, amino sulfonic acid, strongly acidic cationic exchange resin, ferric chloride hexahydrate, aluminum chloride hexahydrate, stannic chloride pentahydrate, copper sulfate, titanium sulfate, rare earth metal oxide, sodium bisulfate monohydrate, solid super acid and heteropoly acid and so on are reviewed

    摘要評述了硫酸、對甲苯磺酸、氨基磺酸、強酸性陽離子交換樹脂、六水合三氯化鐵、六水合三氯化鋁、五水四氯化錫、硫酸銅、硫酸鈦、稀土金屬氧化物、一水硫酸氫鈉、固體超強酸、雜多酸等催化劑催化合成對羥基苯甲酸乙酯的方法。
  7. The synthesis methods of isobutyl acetate catalyzed by p - toluene sulfonic acid, amino sulfonic acid, strongly acidic cationic exchange resin, ferric chloride hexahydrate, cupric chloride bi - hydrate, stannic chloride pentahydrate, ammonium ferric sulfate dodecahydrate, sodium bisulfate monohydrate, potassium bisulfate, chitosan sulfate, sodium dihydrogen phosphate, rare earth metallic oxide, solid super acid, heteropoly acid and molecular sieve etal were reviewed

    摘要評述了對甲苯磺酸、氨基磺酸、強酸性陽離子交換樹脂、六水三氯化鐵、二水氯化銅、五水四氯化錫、十二水合硫酸鐵銨、一水硫酸氫鈉、硫酸氫鉀、殼聚糖硫酸鹽、磷酸二氫鈉、稀土金屬氧化物、固體超強酸、雜多酸和分子篩等催化劑催化合成乙酸異丁酯的方法。
  8. During growing season, spray the plants with liquid of bordeaux mixture every 10 - 15 days, 2 or 3 times is enough. 3. do not buy tree peonies with disease, do not plant tree peonies too close, soil must has good drainage ability,

    2生長季節化學防治：生長季節一旦發病可採用下列藥劑進行噴霧防治： 1 %石灰等量式波爾多液， 70 %甲基托布津1000倍液， 65 %代森鋅500倍液，或50 %氯硝胺1000倍液。
  9. Mass spectromerty of thiazide diuretics and their methyl derivatives

    噻嗪類利尿劑及其甲基化物的質譜研究
  10. The rate of the coordination reaction between divalent metal ions and murexide in a water - in - oil microemulsion was determined by spectrophotometric technique to study the transport of the metal ions entrapped in the organogel formed by cationic surfactant cetyltrimethylammonium bromide

    以微乳液中二價金屬離子與紫脲酸胺之間的配位反應為指示反應，採用分光光度技術，研究了金屬離子在由陽離子表面活性劑十六烷基三甲基溴化胺構建的微乳凝膠中的傳質問題。
  11. By controlling those parameters, the hydroxymethylated and sulfonated ratios of melamine resin superplasticizer were enhanced, the performances of product also improved

    通過控制這些因素提高了密胺樹脂高效減水劑的羥甲基化率和磺化率，改善了產物性能。
  12. When chlorotrimethylsilane is added to ( 2 - amino - primidin - 5 - yl ) - methanol derivatives, the methylation would be found. it is a strange reaction which is first reported

    氨基5 -羥甲基嘧啶衍生物用三甲基氯硅烷在乙氰溶劑中迴流會發生醇的甲基化反應，該現象尚屬首次發現。
  13. Binders for paints and varnishes - methylation and silylation of fatty acids and analysis by gas chromatography

    塗料和清漆用粘合劑.脂肪酸的甲基化和硅烷化及氣相色
  14. Mms, a kind of dna - damaging agent, predominantly methylates ring nitrogens of pyrine, leading to dna double - strand breaks, point mutation and so on

    甲磺酸甲酯（ methylmetbanesulfonate ， mms ）是一種能夠損傷dna的烷化劑，主要使dna嘌呤堿基上的o 、 n甲基化，造成dna雙鏈斷裂、點突變。
  15. The condensation of aromatic aldehyde with active methylene compounds in water

    水溶劑中羰基與活性亞甲基化合物的縮合反應
  16. Diehloromethyl biphenyl was synthesized through chloromethylation of biphenyl, starting with biphenyl and paraformaldehyde as raw materials, zinc chloride / h2o as catalyst in the presence of hydrogen chloride

    摘要以聯苯、多聚甲醛為起始原料，氯化鋅h2o為催化劑，在氯化氫的存在下經氯甲基化反應，得到了4 ， 4 ' -二氯甲基聯苯。
  17. The best process of sulfomethylated poly ( maleic anhydride - co - acrylamide ) is also designed. by testing setting time and water reducing rate of water - reducing agent, we find that the water - reducing ratio of the monoesterified ma - am is 20 %, and the sulfomethylated ma - am is 6. 3 %. they both have good retarding performance

    本文還對水泥標準稠度用水量與凝結時間進行測定，得出酯化改性的減水劑減水率達到20 ，磺甲基化改性的減水劑減水率為6 . 3 ，改性產物均有一定的緩凝性。
  18. The present paper studied the variation of dna methylation level in different developmental stage and different organs of non - heading chinese cabbage. germinated seeds and seedlings of non - heading chinese cabbage were treated with 5 - azacytidine ( 5 - azac ) ( demethylating agent ) combined with cold and gibberillin ( ga ). the assay analyzed the relationship between flowering and low temperature, ga and dna methylation and their interrelation

    本試驗採用去甲基劑5 -氮雜胞苷（ 5 - azac ）處理白菜的種子，並結合萌動種子和幼苗低溫處理及幼苗赤霉素（ ga ）處理，研究了低溫、赤霉素和dna甲基化與白菜開花及它們三者之間的關系，並測定了白菜不同生育期及不同組織器官核dna胞嘧啶甲基化水平的變化。
  19. Studies on the catalytic behaviors of nabr kzsm - 5 catalyst for the oxidative methylation of toluene with methane

    Nabr kzsm - 5催化劑在甲苯氧化甲基化反應中的催化性能
  20. Abstract : the basic synthesis process parameters of water reducing agent of melamune series was studied. the factors affecting hydroxymethylation, stlfonation, low - ph condensation, and high - ph condensation were thoroughly studied. from that, the good conditions for every stages were determined. by addition of compound additives made of some cheap components, the production cost of melamine water reducing agent was greatly decreased so that the spread and application value was increased

    文摘:研究了三聚氰胺系列減水劑的基本合成工藝，考察了各種因素對羥甲基化階段、磺化階段、縮聚階段的影響，確定了各階段的最佳工藝條件，通過加入一些廉價組分製成復合型減水劑，使得三聚氰胺系列減水劑的生產成本大幅度降低，提高了產品的推廣應用價值
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