羥烷基 的英文怎麼說
中文拼音 [qiǎngwánjī]
羥烷基
英文
hydroxyalkyl
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羥 :
名詞[化學] (羥基) hydroxyl (group)
-
烷 :
名詞[化學] (有機化合物的一類) alkane
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Organic dyes related in this review included the following categories, the triphenymethanes, the azo dyes, the phthalocyanines, the hydroxyanthraguinones and etc ( 58 ref. citd )
文中沙及的有機染料主要有:三苯甲
烷類、偶氮類、酞菁類及
羥基蒽醌類等(引用文獻58篇) 。
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Trimethylol ethane - tme
三
羥甲
基乙
烷
-
Thus varying the nature of r from primary to secondary to tertiary alkyl results in increasing yields of the hydroxy ethers.
當R按伯、仲、叔
烷的順序遞變,則所得
羥基醚的產率就隨之而增高。
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The oh functionality of the polyether may be controlled by using modifiers such as glycidol, ethylene glycol, water or trimethylol propane.
用縮水甘油、乙二醇,水或三
羥甲
基丙
烷等改良劑,可控制聚醚的
羥基官能團。
-
The oh functionality of the polyether may be controlled by using modifiers such as glycidol, ethylene glycol, water, or trimethylol propane.
可用縮水甘油,乙二醇,水或三
羥甲
基丙
烷等改良劑,可控制聚醚的
羥基官能團。
-
The barnidipine hydrochloride were prepared via cyclocondensation from m - nitrobenzaldehyde, methyl acetoacetate and anmmonium bicarbonate, hydrolysis, esterification with opticaliy ( s ) - n - benzyl - 3 - py - rrolidinol, recrystallisation and salification
摘要研究了以碳酸氫銨,間硝
基苯甲醛和乙酰乙酸甲酯為原料,經縮合、部分水解,再與( s ) - n -芐
基3 -
羥基吡咯
烷經酯化、分步重結晶、成鹽得到鹽酸巴尼地平的工藝路線。
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Aminated and hydroxylated polysulfone membranes were prepared by amination and hydroxylation reaction, respectively. then bovine albumin ( bsa ) - fixed membranes were obtained by crossed - linking albumin into porous membrane with 1, 1 ' - carbonyldiimidazole and bisoxirane reagents, respectively. a mathematical model for facilitated transport in asymmetric membranes with fixed site carriers was derived by assuming an instantaneous, microscopic concentraion fluctuation in the membrane
以氯甲
基聚碸為
基材,通過相轉化法制備出具有底部貫通孔的非對稱膜,通過胺化和
羥基化反應,分別制得胺化聚碸膜和
羥基化聚碸膜,再採用羰
基二咪唑和雙環氧
烷兩種活化試劑對其進行活化,將牛血清白蛋白固載在膜內,獲得固定白蛋白促進傳遞膜。
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Through molecular design, a series of liquid crystalline copolyesters, which possibly possessed the auxetic behavior, were prepared by solution condensation reaction between 2, 5 - bis ( p - alkoxy benzoyloxy ) hydrobenzoquinone, 4, 4 ' - ( decanoxy ) dibenzoyl chloride and 4, 4 ' - dihydroxy - oc, co - diphenoxydecane
經分子設計,通過2 , 5 ?二(對
烷氧
基苯酰氧
基)對苯二酚、 4 , 4 』 ?二
羥基? , ?二苯氧
基癸
烷和4 , 4 』 ? (癸二酰氧
基)二苯甲酰氯之間的縮合反應合成了一系列具有負泊松比潛能的液晶共聚酯。
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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。
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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。
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A butylated hydroxyanisole or butylated hydroxytoluene or mixtures thereof within the limits specified in part ii of this schedule may be used in conjunction with propyl gallate or octyl gallate or dodecyl gallate or mixture thereof within the limits specified, provided that the total amount of antioxidant shall not exceed, in the case of anhydrous oils and fats and vitamin oils and concentrates, and partial glycerol esters, 300 parts per million, in the case of butter for manufacturing purposes, 240 parts per million and in the case of essential oils and isolates from the concentrates of essential oils, 1000 parts per million
A不超逾本附表第ii部所指明分量的經丁化作用的
羥基茴香醚或經丁化作用的
羥基甲苯或其混合物,可與不超逾指明分量的丙
基?酸鹽或辛
基?酸鹽或十二
烷基?酸鹽或其混合物同時使用,但添加於無水食油及脂肪維他命油及其濃縮物及部分丙三醇酯的抗氧化劑總分量,不得超逾百萬分之300 ,添加於作製造用途的牛油的抗氧化劑總分量,不得超逾百萬分之240 ,而添加於香精油及香精油濃縮物的分離物的抗氧化劑總分量,則不得超逾百萬分之1000 。
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N - vinylpymolidone - co - 2 - hydroxyethyl methacrylate ( nw - co - hema ) copolymer had been widely studied and used as soft contact lens and controlled - releasing materials in foreign countrys. but this hydrogel material ' s oxygen penetration capability was closely correlated to its equation water content. when the hydrogel had high equation water content, its oxygen penetration capability was improved, but its mechanism performance was droped
N -乙烯
基吡咯
烷酮( nvp )和甲
基丙烯酸-
羥己酯( hema )的共聚物水凝膠作為軟質接觸透鏡材料(隱形眼鏡)和藥物釋控材料,在國外已經得到深入研究和應用,但是這種水凝膠材料的氧氣透過性能與其平衡含水量密切相關,水凝膠含水量較高,其氧氣透過性能有所提高,但材料的機械性能下降。
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It has not only the characteristic of petrochemical plastics but also has the biodegradability, biocompability and degradable product without toxin. these biologic polymers are new kinds of environment - friendly material that provide a new way to resolve white pollution and can be used as scaffold material in medical tissue engineering
多聚
羥基烷酸是一類由生物合成的結構簡單的高分子聚合物,它不僅具有石化塑料的特性,而且具有生物可降解性、生物相容性、降解產物無毒性的特性,是一種環境友好型的生物材料。
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Some novel bioelastomers, especially degradable bioelastomer, including network polyester, polyhydroxyalkanoate, poly ( ether ester ), polypetide, poly ( ortho ester ) and hydrogel, were reviewed
摘要綜述了網路型聚酯、聚
羥基烷基酸酯、聚醚酯、聚肽、聚原酸酯和水凝膠等新型生物彈性體的研究進展。
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According to the preservatives in food regulations cap. 132bd, permitted antioxidants in specified food include only propyl gallate octyl gallate dodecy gallate, butylated hydroxyanisole, butylated hydroxytoluene and ethoxyquin. tbhq is not specified in the said regulations and it is not a permitted antioxidant in fats and oils in hong kong
食物內防腐劑規例第132bd章規定,獲準添加於指明食物的抗氧化劑只限於丙
基?酸鹽辛
基?酸鹽十二
烷基?酸鹽經丁化作用的
羥基茴香醚經丁化作用的
羥基甲苯及乙氧
基奎。
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It has many advantages, such as the particles size is well distributed, and its diameter can be well controlled, etc. because of this virtue, reverse micelle shows broad prospects in the preparation of ferrite nanoparticles. hi this work, the syntheses of mnfe2o4 nanoparticles, cofe2o4 nanoparticles and znfe2o4 nanoparticles are prepared by the reverse micelle method, these preparations employed reverse micelles formed with anionic surfactant bis - ( 2 - ethylhexyl ) sodium sulosuccinate ( aot ), which is considered the most effective surfactant, and another anionic surfactant bis - ( 2 - ethylhexyl ) sodium hydroxy sulosuccinate ( ahot ), which is a new surfactant, and was synthesized by our own research group. we also synthesized znfe2o4 nanoparticles using the cationic surfactant cetyltrimethylammonium bromide ( ctab )
本文分別採用通常被認為最佳的陰離子表面活性劑? ?二( 2 -乙
基己
基)丁二酸酯磺酸鈉( aot ) ,和我們課題組自己設計合成的新型陰離子表面活性劑? ?二( 2 -乙
基己
基)
羥基丁二酸酯磺酸鈉( ahot )所構成的反膠束體系為微反應器,成功制備了mnfe _ 2o _ 4納米粒子、 cofe _ 2o _ 4納米粒子和znfe _ 2o _ 4納米粒子;還以陽離子型表面活性劑? ?十六
烷基三甲
基溴化銨( ctab )構成的反膠束體系為微反應器,成功制備了znfe _ 2o _ 4納米粒子;並探討了表面活性劑的種類和結構對反膠束法制備鐵氧體納米粒子反應的影響。
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Catalytic dehydration of n - hydroxylethyl pyrrolidone on reox and mox doped nnanozro2 catalysts
2催化劑催化
羥乙
基吡咯
烷酮脫水反應研究
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A novel anticoagulative biomaterial which was prepared from modified graphite oxide and silicone rubber through solution intercalated reaction was synthesized, the excellent properties of the new type nanocomposites, such as good mechanical strength and blood compatibility, have been characterized by xrd, mechanical properties, adhesion of blood platelet test and the heparin release rate test
摘要利用溶液插層法合成了新型的硅橡膠氧化石墨十八
烷基二甲
基2 -
羥乙
基溴化銨肝素納米抗凝血復合膜材料,並通過機械性能測試、 x射線衍射、血小板黏附試驗和肝素擴散速率測定實驗對復合膜材料的力學性能和血液相容性進行了表徵。
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The novel title compound was synthesized with benzaldehyde, isobutyraldehyde, phosphorus trichloride as raw materials. the total yield was 40. 8 %. the structure was confirmed by 1h nmr, 31p nmr and elemental analysis
摘要以苯甲醛、異丁醛、三氯化磷為原料合成了新型的1 , 3 , 2 -氧磷雜環類化合物2 -苯
羥甲
基5 , 5 -二甲
基4 -苯
基2 -氧代1 , 3 , 2 -二氧磷雜環己
烷,總收率為40 . 8 % ,並對其進行了nmr研究和結構表徵。
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The aqueous polyurethane emulsion was prepared through to use trimethylolpropane ( tmp ) as cross - linkers and acrylate as modified agents by emulsion co - polymerization
摘要以三羥甲基丙烷等作為交聯劑,採用丙烯酸酯作為改性劑合成改性水性聚氨酯乳液。