丁基
- 与 丁基 相关的网络例句 [注:此内容来源于网络,仅供参考]
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Water,c12-20 acid peg-8 ester,caprylic/capric triglyceride,proplylene glycol,ppg-15 stearyl ether,chondrus crispus,iris germanica(orris extract/cells),centaurea cyanus,macadamia ternifolia,buxus chinensis,triethanolamine,potassium cetyl phosphate,butyrospermum parkii,c12-13 alkyl lactate,carbomer,phenoxyethanol,methylparaben,imidazolidinyl urea,glyceryl hydroxystearin,tocopheryl acetate.retinyl palmitate,sodium hyaluronate,biosaccharide gum-1,propylparaben,disodium edta,ethylparaben,pentadecalactone,hydroxystearic acid,tetradecyloctadecanoic acid,tetradecyleicosanoic acid,hexadecyleicosanoic acid,butylparaben,isobutylparaben,chlorhexidine digluconate,tocopherol,lecithin,ascorbyl palmitate,glyceryl stearate,glyceryl oleate,BHT,citric acid.
水,C12-20 酸 PEG-8酯,辛酸/癸酸三酸甘油酯,丙二醇,PPG-15 硬脂基醚,卡拉胶萃取,德国鸢尾花提取物/细胞,矢车菊提取物,澳洲坚果油,荷荷巴油,三乙醇胺,十六烷基磷酸钾,牛油果,c12-13烷醇乳酸酯,卡波姆,苯氧乙醇,羟苯甲酯,尿素醛,甘油羟基硬脂酸酯,醋酸盐维他命E,维他命A酯,透明质酸钠,多醣物质,羟苯丙酯,乙酸乙二胺二钠,羟苯乙酯,环十五内酯,羟基硬脂酸,十四烷基十八烷酸,十四烷基二十烷酸,十六烷基二十烷酸,羟苯丁酯,对羟基苯甲酸异丁酯,洗必泰葡萄糖酸盐,维生素E,卵磷脂,抗坏血酸棕榈酸酯,甘油硬脂酸,甘油油酸酯,BHT,柠檬酸。水:几乎所有护肤品成分第一位都是水。辛酸/癸酸三酸甘油酯:润滑剂、扩散剂,棕榈油/椰子油衍生物
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Secondly,a mixture of acetone and methyl formate was added into the methanol solution of sodium methoxide to prepare sodium formyl acetone by Claisen reaction.
以金属钠为原料,甲醇为溶剂,先制成甲醇钠的饱和甲醇溶液,再滴加丙酮和甲酸甲酯进行Claisen酯缩合制得丁酮烯醇钠,最后在强酸作用下与甲醇进行缩醛化反应合成了4,4-二甲氧基-2-丁酮,过程总收率达到73.1%,纯度98.7%。
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Some research and analysis on the reaction of 2,4-difluoronitrobenzene and nucleophilic reagent alcohol sodium (methyl alcohol ,ethyl alcohol, propyl alcohol, n-butyl alcohol, t-butyl alcohol, et hl) and the reaction choice of opposite -F in different solvent and conditions have done in this paper.
论文以2,4-二氟硝基苯为主要原料,研究了其与亲核试剂醇钠(甲醇、乙醇、丙醇、正丁醇、叔丁醇等)在不同溶剂中的反应情况,讨论了在几种代表性的溶剂——醇、四氢呋喃、苯、N,N-二甲基甲酰胺中亲核取代反应的情况,研究了温度、反应时间、亲核试剂、溶剂等条件对亲核取代反应的影响。
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Alcaligenes eutrophus WSH3 was selected as the strain for the production of polyβ-hydroxybutyrate and copolymer of 3-hydroxybutyrate and 3hydroxyvalerate . This study is aimed at finding an operative way leading to high PHB and PHBV productivity, high yield coefficient and high content of PHB and PHBV. The main research results are as follows
本文以真养产碱杆菌(A.eutrophus)WSH3为聚-β-羟基丁酸和3-羟基丁酸与3-羟基戊酸的共聚物的生产菌株,以实现PHB和PHBV发酵过程的高的生产强度、高的产物对基质的产率系数和高的聚合物含量为目标,进行了PHB及PHBV发酵条件的研究,主要研究内容和结果如下
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Water,butylene glycol,cyclomethicone,VP/VA copolymer,glyceryl stearate,glycerin,ppg-15 stearyl ether,titanium dioxide,propylene glycol,cetyl alcohol,citrus aurantium dulcisfruit extract,saccharide isomerate,biosaccharide gum-1,ethoxydiglycol,peg-40 stearate,glycyrrhiza glabraroot extract,morus bombycis root extract,potassium cetyl phosphate,phenoxyethanol,c12-20 acid peg-8 ester,triethanolamine,prunus amygdalus dulcis oil,carbomer,caprylyl glycol,caffeine,disodium edta,methylparaben,chondrus crispus,butylparaben,iris germanica root extract,pentadecalactone,sodium polyacrylate,ethylparaben,sodium hyaluronate,peg-8,propylparaben,citric acid,chlorhexidine digluconate,tocopherol,ascorbyl palmitate,ascorbic acid
水,丁烯二醇,环甲硅脂,VP/VA共聚物,甘油基硬脂酸,甘油,ppg-15 stearyl ether,二氧化钛,丙二醇,十六烷基醇,橙子萃取物,天然异构寡糖, biosaccharde gum-1,乙基氧基乙二醇,聚乙二醇- 40硬脂酸,甘草根提取物,桑白皮根萃取,钾十六烷基磷酸盐,苯氧乙醇,c12-20 acid peg-8 ester,三乙醇胺,甜杏仁油,高分子胶,辛乙二醇,咖啡因,乙二胺四乙酸二钠,对羟基苯甲酸甲酯,卡拉胶,对羟基苯甲酸丁酯,鸢尾花根萃取, pentadecalactone ,聚丙烯酸钠,羟苯乙酯,透明质酸钠,聚乙二醇- 8,羟苯丙酯,柠檬酸,洗必泰葡萄糖酸盐,维生素E,维生素C棕榈酸酯,抗坏血酸
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2S, 3S -2-methyl -3-benzoxyl butanal was obtained from cis-2-butene and acetaldehyde in 56. 3% yield through Brown Crotylation, oxidization, etc.
以顺-2-丁烯、乙醛为原料,经Brown Crotylation反应、氧化反应等,得到了(2S,3S)-2-甲基-3-苄氧基丁醛,收率为56.3%。
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Therefore, butoxy in n_butanol can be adsorbed chemically on the surfaces of the tourmaline particles in the process of azeotropic distillation, which can effectively prevent the formation of liquid_bridge between the particles of tourmaline and avoid the hard aggregation in the drying process.
正丁醇中的丁氧基在共沸蒸馏过程中在电气石颗粒表面可取代羟基,产生化学吸附,能有效防止液桥的产生,阻止干燥过程中超细粉末的硬团聚。
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Synthesis technology of cinnamyl methyl fumarate containing α,β-unsaturated carbonyl group and its antimicrobial activity was studied.
以α,β-不饱和羰基结构为母体设计合成反丁烯二酸桂醇甲酯,并对反丁烯二酸桂醇甲酯的抗菌活性进行了研究。
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Attempts in part I of the dissertation were to develop microemulsion systems using medium chain triglyceride, Captex 300, deionized water (H2O), and TPGS as surfactant for the oral delivery of protein drugs or poorly water soluble drugs. Pseudo-ternary phase diagrams were constructed to elucidate the phase behavior of systems composed of medium-chain triglyceride and water with TPGS as main surfactant, polysorbates (Tween 20, Tween 40, Tween 60 and Tween 80) as adjuvant surfactants, and polyethylene glycols (PEG 400 and PEG 600) and polyols (ethanediol, 1,2-propanediol, 1,3-propanediol, 1,3-butanediol, 1,4-butanediol and glycerin) as cosurfactants.
藉由拟三相图(Pseudo-ternary Phase Diagrams)的建立来了解中链型三酸甘油酯、去离子水及TPGS为主要界面活性剂配合聚醇山梨酯(如Tween 20、Tween 40、Tween 60及Tween 80)为辅助界面活性剂或聚乙二醇(如PEG 400及PEG 600)及多醇类(如乙二醇、1,2-丙二醇、1,3-丙二醇、1,3-丁二醇、1,4-丁二醇及甘油作为共界面活性剂所形成的微乳基剂之相变化。
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Both star copolymer precursors are hydrolyzed in the acidic conditions, then the corresponding recovered star copolymers of EO and glycidol with multi pending hydroxylmethyls are esterified with 2-bromoisobutyryl bromide to produce the ATRP macroinitiators with multi pending bromoisobutyryl groups . Then the latters initiate the polymerization of styrene to form the corresponding amphiphilic three- and four-arm star PEO-g-PS.
在阴离子共聚EPEE单体和环氧乙烷单体的过程中,通过变换引发剂体系中的醇的结构(由原来的二元醇变成多元醇,如三羟甲基丙烷和季戊四醇),合成了星形结构的共聚物,通过水解反应脱去保护基团后,再与2-溴异丁酰溴反应,得到链的侧端挂有很多2-溴异丁酸酯基的星形大分子引发剂,通过ATRP聚合机理引发苯乙烯聚合得到PEO为主链,PS为侧链的星形一接枝共聚物。
- 推荐网络例句
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The labia have now been sutured together almost completely.The drains and the Foley catheter come out at the top.
此刻阴唇已经几乎完全的缝在一起了,排除多余淤血体液的管子和Foley导管从顶端冒出来。
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To get the business done, I suggest we split the difference in price.
为了做成这笔生意,我建议我们在价格上大家各让一半。
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After an hour and no pup, look for continued contractions and arching of the back with no pup as a sign of trouble.
一个小时后,并没有任何的PUP ,寻找继续收缩和拱的背面没有任何的PUP作为一个注册的麻烦。