ethylene -disulfonic acid 中文意思是什麼

ethylene -disulfonic acid 解釋

  • ethylene : n. 【化學】乙烯，伸乙基。
  • acid : adj. 1. 酸味的。2. 【化學】酸的，酸性的。3. 〈比喻〉尖酸刻薄的，易怒的。n. 1. 酸味物。2. 【化學】酸。adv. -ly ,-ness n.
  1. The protected amino acids were z - ser ( bzl ), boc - asp ( obzl ) and glu ( obzl ) 2. the quality of the synthesized tripeptide : ser - asp - glu ( sde ) by thin layer chromatography, amino acid analysis and liquid chromatography - mass spectrometry is pure. the paam beads with different length arms were obtained by coupling the various length linear spacer, such as ethylene diamine, glutaraldehyde, 1, 6 - diaminohexane and amino caproic acid to paam beads

    按照從梭基端到氨基端的合成路線，用風n 』二環己基碳二亞胺（ dcc ） l羥基苯驕三氮哩（ hobt ）液相合成法逐步接肽，制備得到對應的帶保護基的中間體，用催化氫化還原脫去所有的保護基。
  2. Vc e ma vinylchloride ethylene maleic acid copolymer

    氯乙烯一乙烯一馬來酸共聚物
  3. Three water - soluble acrylic resins are prepa red by polymerizing esters acrylate, acrylic acid ， methylacrylic acid ， esters methylacrylate with phenyl - ethene or ethylene acetate in present of water or alcohol and initiating agent. properties of the acrylic resins are characterized. results show that the resins possess excellent character, i. e. adhibity, water - solubility, expansion after dry for water ， anti acidity or bascity and brightness in the products of same type

    以丙烯酸、丙烯酸酯、甲基丙烯酸、甲基丙烯酸酯等作為基料，在引發劑的存在下，以水或醇作溶劑進行聚合，加入苯乙烯、醋酸乙烯等改性，合成了3種不同的水溶性丙烯酸改性樹脂，並對其性能進行了測定.結果表明：這3種樹脂的粘度、水溶解性、乾燥后膜的吸脹性、抗酸堿性、光亮度等性能均優于同類產品
  4. Graft copolymerization of itaconic acid acrylic acid monomer mixture onto poly ethylene terephthalate fabric

    丙烯酸與聚酯織物接枝共聚性能
  5. However the binary catalysts system favors low residue content. it was found that the residue content were remained at a low level with ethylene glycol as the reaction media and 6 % ( by mass ) of sulfuric acid as the catalyst in the presence of phenol. the contents of lipophilic products were investigated

    經凝膠色譜法測定表明，以濃硫酸苯酚為催化劑、乙二醇為反應介質的反應體系，所得到液化產物的平均相對分子質量最低， m _ w為806 ， m _ n為799 。
  6. The mips were synthesized using methacrylic acid as the functional monomer and ethylene glycol dimethacrylate as the crosslinker by the non - covalent method. the sensors exhibited good sensitivity, selectivity and long - time stability even in harsh chemical environments

    這些傳感器具有很好的熱和化學穩定性，即使在苛刻的環境中仍顯示了良好的操作性能，極大地克服了生物傳感器的缺陷。
  7. The leading products comprise tetra acetyl ethylene diamine ( taed ) ( 10, 000mtyear ), sodium percarbonate ( spc ) ( 20, 000mtyear ), sodium perborate ( spb ) ( 5, 000mtyear ), sodium acetate and solid peracetic acid. the company is located in hangzhou bay fine chemical zone, which is adjacent to the well - known shanghai and ningbo ports and enjoys the geographical advantage as part of the most prosperous yangtzi river delta. it covers a plant area of 600, 000 square meters in shangyu and has its sales headquarter established in the capital city of zhejiang province, hangzhou

    系由國家級重點高新技術企業金科科技集團控股發起設立的股份有限公司，創建於2001年5月，地處中國經濟最具活力的長江三角洲地區，杭州灣南岸的杭州灣精細化工園區毗鄰上海港與寧波港，現廠區佔地880苗，擁有員工600餘名，專業生產過碳酸鈉（ spc ） 、四乙酰乙二胺（ taed ）和固體過氧乙酸。
  8. A new method on extraction of phenanthrene from crude anthraceneis given, which includes azeotropic dissolution with ethylene glycol, extraction of carbon tetrachloride, treatment of sulfuric acid and ethyl alcohol recrystallization, in the end, the best process is obtained

    研究了從粗蒽中提取菲的方法，即用乙二醇對原料進行共沸，以四氯化碳為溶劑並用硫酸處理，最後用無水乙醇重結晶，制定出最佳的工藝路線
  9. Abstract : a new method on extraction of phenanthrene from crude anthraceneis given, which includes azeotropic dissolution with ethylene glycol, extraction of carbon tetrachloride, treatment of sulfuric acid and ethyl alcohol recrystallization, in the end, the best process is obtained

    文摘:研究了從粗蒽中提取菲的方法，即用乙二醇對原料進行共沸，以四氯化碳為溶劑並用硫酸處理，最後用無水乙醇重結晶，制定出最佳的工藝路線
  10. New developments of polycarboxylic acid derivative catalysts, ion exchange resin catalysts, macrocyclic chelating compound catalysts, quaternary phosphonium salt catalysts, heterogeneous hydrotalcite - type catalysts and other catalysts which to be used in ethylene oxide catalytic hydration, and the catalysts of synthesis method of ethylene glycol via preparation and reaction of ethylene carbonate are expounded

    闡述了用於環氧乙烷催化水合反應中的多羧酸衍生物催化體系、離子交換樹脂催化體系、大環螯合物催化體系、季?鹽催化體系、多相水滑石型催化體系及其他催化體系近年來的研究進展；同時闡述了用於碳酸亞乙酯法合成乙二醇反應中的催化體系的新進展。
  11. Abstract : the esterification of phthalic acid and ethylene glycol under microwave field was studied. the results showed that it could get high yield of product and need less fime to complete the reaction

    文摘:觀測了鄰苯二甲酸及乙二醇在微波輻照下的升溫曲線，並研究了鄰苯二甲酸和乙二醇在微波輻照下的酯化反應，結果表明，微波輻照下的酯化反應行為優于常規條件（電爐加熱）下的酯化反應行為。
  12. The results indicated that montmorillonite was intercalated by polyacrylic acid molecular. section two : preparation of polyacrylic acid / acrylamide / montmorillonite ( paa / am / mmt ) water absorbent hybrid by aqueous solution intercalated polymerization high water absorbent polyacrylate copolymer was prepared by aqueous solution intercalated copolymerization. in this reaction, the monomers were the partially neutralized acrylic acid ( aa ) and acryl amide ( am ) ; the cross - linking agent was diacryl ethylene ( egda )

    第二節溶液插層共聚制備聚丙烯酸鹽/丙烯酰胺/膨潤土雜化吸水材料及其性能研究首次利用溶液插層共聚制備了二丙烯酰基乙二醇酯（ egda ）交聯的聚丙烯酸鹽/丙烯酰胺/膨潤土（ paa / am / mmt ）雜化吸水材料。
  13. Synthesis of benzaldehyde ethylene glycol acetal catalyzed by perfluorosulfonic acid resin silica composite

    2負載全氟磺酸樹脂催化合成苯甲醛乙二醇縮醛
  14. The major products includes 1 ) food additives : citric acid & its derivatives, l - lactic acid & its derivatives, msg, starch sugar etc ; 2 ) feed additives : lysine & its salts, corn gluten powder etc ; 3 ) bio - energy : fuel ethanol, bio - diesel etc ; 4 ) biochemical products range : bio - ethylene & its derivatives, poly lactic acid ( pla ) bio - degradable plastics, poly lactic acid polymer fiber fabrics etc

    主要產品有檸檬酸及其鹽類、 l -乳酸及其衍生物、味精、澱粉糖等食品添加劑；賴氨酸及其鹽類、玉米蛋白粉、氨基酸蛋白粉等飼料添加劑；燃料乙醇、生物柴油等生物能源產品；生物乙烯及其衍生物、聚乳酸生物可降解塑料、聚乳酸聚酯纖維布料、無毒綠色溶劑、無毒增塑劑等生物化工系列產品。
  15. Roles of abscisic acid and ethylene in the regulation of litchi ripening and c oloration

    和乙烯對荔枝果實成熟和著色的調控
  16. Effects of acetylsalicylic acid on the postharvest senescence process and ethylene biosynthesis of yulu peach fruit

    乙酰水楊酸對采后玉露桃果實成熟衰老進程和乙烯生物合成的影響
  17. The paper mainly deals with jasmonic acid biosynthesis, the ways and regulating mechanisms of jasmonic acid signal transmission and mutual relations between the ways of jasmonic acid signal transmission and the ways of ethylene, abscisic acid, salicylate and nitric oxide signial transmission

    本文主要就茉莉酸的生物合成、茉莉酸的信號傳導途徑和調控機制、茉莉酸的信號傳導途徑與乙烯、脫落酸、水楊酸和一氧化氮信號傳導途徑的相互關系進行了綜述。
  18. By virtue of eva, ethylene crylic - acid comolymer ( eaa ) and ethylene methacrylic - acid copolymer ( ema ), ldpe / mmt nanocomposites have been prepared by melt intercalation

    通過添加極性相容劑eva 、乙烯?丙烯酸共聚物（ eaa ）和乙烯?甲基丙烯酸酯共聚物（ ema ） ，採用熔融插層法成功制備了ldpe mmt納米復合材料。
  19. Standard test method for acid content of ethylene - acrylic acid copolymers

    乙烯-丙烯酸酸性共聚物的酸含量的標準試驗方法
  20. Photography chemicals - ethylene - diaminetetraacetic acid ethylenedinitrilo tetraacetic acid and its salts

    攝影用化學藥品.乙二胺四醋酸及其鹽類
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