这条路线是先用羧酸使噻吩已酰化制得酸基噻吩。
The scheme initially involves acylation of thiophene using a carboxylic acid to afford the acyl thiophene.
在增产处理时可溶于油基、水基和酸基处理液的化学添加剂。
A chemical additive for stimulation treatments that is soluble in oil, water and acid-based treatment fluids.
模拟结果表明从萘酸基方向释放可能是烯二炔环发色团分子最佳的释放路径。
Further, calculated forces and time by FPMD (force-probe molecular dynamics) suggest that the opening of the naphthoate moiety should be the most favorable pathway.
乙醇与本章第一分章至第七分章的酸基有机化合物所构成的酯,应按有关酸基化合物归类。
Esters of ethyl alcohol with acid-function organic compounds of sub-Chapters I to VII are to be classified in the same heading as the corresponding acid-function compounds.
含质子酸基交联性芳香族树脂及使用该树脂的离子传导性高分子膜,粘合剂,以及燃料电池。
Crosslinkable aromatic resin having protonic acid group, and ion conductive polymer membrane, binder and fuel cell using the resin.
肽一种自然或人工的合成物,包括二个或二个以上氨基酸,通过一个氨基酸的酸基和另一个的羧基结合而成。
Any of various natural or synthetic compounds containing two or more amino acids linked by the carboxyl group of one amino acid and the amino group of another.
本文以丙烯酸和F - 44环氧树脂为原料,合成了一种既含有环氧基又含有丙烯酸基的光敏酚醛环氧丙烯酸酯树脂。
The title photosensitive phenolic epoxy acrylate resin has been prepared based on acrylic acid and F-44 epoxy resin as basic materials, which contains epoxy as well as acrylic groups.
所制成的新型齐聚物具有高密度支链膦酸基官能团,该产品经过阻垢、预膜、缓蚀测定后,认为可作为水处理的阻垢缓蚀剂。
Phosphorus acid is added, so as to make it phosphonated. The new oligomer has high density branched chain of phosphonic acid functional groups. This product has undergone tests such ass…
与氰基丙烯酸基相比,(联)绕丹宁乙酸基团作为电子受体更能降低染料的LUMO能级,从而使得激发态染料分子的电子注入驱动力变弱。
Compared to cyanoacrylic acid group, the(co) rhodanine acetic can also shift LUMO of dye positively and reduce the force of electron injection into conduction band of TiO2.
“基”牌酸橙派味道很浓,外皮也很好。
The Key lime pie was bursting with flavour. Good crust, too.
目的是合成含2-5个碳的直链烷酸功能基的5-氟尿嘧啶衍生物。
The objective is to synthesize 5-fluorouracil derivatives containing 2-5 carbon alkanoic acid.
合成了非天然氨基酸3(4噻唑基)D,L丙氨酸盐酸盐及其四个中间体。
Nonnatural amino acid 3 (4 thiazolyl) D, L alanine hydrochloride and its four intermediates were synthesized.
如今研究人员创造的胶囊是通过把氰基丙烯酸正丁酯和有愈合功效的化合物悬浮其中的油类混合而制的。
The capsules the researchers have come up with are made by mixing butylcyanoacrylate, a chemical found in superglue, with an oil carrying the healing compounds.
所有三个基码同特定的氨基酸相吻合,而基码在核酸中的顺序,同氨基酸在蛋白质中的顺序一致。
All but three of the codons correspond to particular amino acids, and the order of the codons in the nucleic acid corresponds to the order of the amino acids in the protein.
在密尔沃基市郊杂货店购物的AhnaDeverey,面对添加了DHA /omega-3脂肪酸的牛奶摇摇头。
Ahna Deverey, shopping at a grocery store in suburban Milwaukee, shook her head at milk with added DHA/omega-3 fatty acid.
我还不知道,我想是学习酸和盐基化学反应吧。
I don't even know. I think acid and base chemical reactions.
梅干含有丰富的绿原酸,可以起到抵抗自由基的作用,而自由基会导致细胞机构损坏,所以经常食用梅干可防止癌症的发生。
Wrong contains rich chlorogenic acid, can rise to resist free radical role, and free radicals can lead to cell damage, so often eat institutions wrong can prevent the occurrence of cancer.
酰基甘油:一种甘油酯或者一种或几种脂肪酸。
首席研究员戴维-基平说:“比煤炭或者是最黑的丙烯酸颜料反射性还小——这让它成为迄今为止发现的最暗的行星。”
"Being less reflective than coal or even the blackest acrylic paint-this makes it by far the darkest planet ever discovered," lead study author David Kipping said.
李子干含有的大量新绿原酸和绿原酸,是对付“过氧化阴离子自由基”特别有效的抗氧化剂。
Dried plums contain high amounts of neochlorogenic and chlorogenic acids, antioxidants that are particularly effective in combating the " superoxide anion radical".
酰基甘油:一种甘油酯或者一种或几种脂肪酸。
Acylglycerol (glyceride) an ester of glycerol and one or more fatty acids.
每个微滴都有一颗油核,周围包裹着一层薄薄的氰基丙烯酸正丁酯。
Each droplet has an oil core surrounded by a thin layer of butyl cyanoacrylate.
采用环氧树脂、基树脂、酸树脂研制成耐煮沸防腐烘干清漆,介绍了该漆的制备工艺,讨论了影响其性能的因素。
Epoxy resin amino resin alkyd resin are adopted to get endure boiled anticorrosive stoving varnish introducing it's produce process discussing reason of affect it's performance.
普鲁兰氨基烃基醚的有机盐和无机盐可由普鲁兰氨基烃基醚与酸在常规条件下反应获得。
The organic or inorganic acid salts of pullulan aminoalkyl ether can be prepared by reacting pullulan aminoalkyl ether obtained as above with acids in a conventional manner.
在超选微导管置入后,向撕裂血管的近端或损伤血管的残端轻缓注入N-羟丁基2-氰基丙烯酸酯(NBCA。
N-butyl 2- cyanoacrylate (NBCA) is gently deposited proximally to the arterial tear or at the level of the stump of the traumatized artery after superselective microcatheterization.
合成了铕-磺基水杨酸-邻菲咯啉配合物和水性丙烯酸酯共聚物。
The complex of Europium with sulfosalicylic acid and phenanthroline asas waterborne - polymer of acrylate has been synthesized.
氰基丙烯酸酯粘合剂如误入眼部,将粘附于眼部蛋白质之上,而后通常在数小时之内陆续脱落。
Cyanoacrylate introduced into the eyes will attach it self to the eye protein and well disassociate form it over intermittent periods, generally covering several hours.
例如在无机的自然界,酸本身就是盐基,这就是说,酸的存在仅在于和它对方相联系。
Thus, in inorganic nature, the acid is implicitly at the same time the base: in other words, its only being consists in its relation to its other.
目的:探讨微波加热法处理聚甲基丙烯酸甲酯(pmma)基托材料的力学性能。
Objective: To study the mechanical properties of microwave cured polymethylmethacrylate (PMMA) denture base resins.
目的:探讨微波加热法处理聚甲基丙烯酸甲酯(pmma)基托材料的力学性能。
Objective: To study the mechanical properties of microwave cured polymethylmethacrylate (PMMA) denture base resins.
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