本文介绍了用重氮转移法合成具有较大空间位阻的重氮乙酸二环己基甲酯、L- 薄荷酯和叔丁酯。
Synthesis of sterically hindered dicyclohexylmethyl, L menthyl and tert butyl diazoacetate by diazo transfer was described on this paper.
答：科学家们已经识别出五种截然不同的肝炎病毒并以甲、乙、丙、丁、戊型作为辨识。虽然它们都会引起肝病，但在重要方面又有所不同。
A: Scientists have identified five unique hepatitis viruses, identified by the letters a, b, c, d, and E. While all cause liver disease, they vary in important ways.
科学家们已经识别出五种截然不同的肝炎病毒并以甲、乙、丙、丁、戊型作为辨识。虽然它们都会引起肝病，但在重要方面又有所不同。
Scientists have identified five unique hepatitis viruses, identified by the letters A, B, C, D, and E. While all cause liver disease, they vary in important ways.
结论：头孢西丁纸片扩散法操作简便，结果可靠，可作为临床实验室检测耐甲氧西林葡萄球菌的常规方法。
Conclusion Cefoxitin disk diffusion test is reliable, simple and convenient, and it can be used as a conventional method for the detection of MRS in clinical laboratories.
甲丁：“碗底有一张标签呢！”
以甲基丙烯酸甲酯为硬单体，丙烯酸丁酯为软单体，丙烯酸为功能单体，环氧树脂为改性剂制备了密封胶用环氧改性丙烯酸树脂。
The epoxy modified acrylate resin for sealant is prepared with methyl acrylate as hard monomer, butyl acrylate as soft monomers, acrylate acid as functional monomers and epoxy resin as modifier.
目的：评价头孢西丁扩散法检测耐甲氧西林葡萄球菌异质性耐药菌株的可靠性和临床实用性。
Objective To evaluate the reliability and clinical practicability of cefoxitin disk diffusion test in the detection of methicillin-resistant staphylococcus (MRS) heterogenic drug-resistant strains.
在反应中得到较短碳链的D -葡萄糖苷，如甲苷、乙苷、正丁苷和正戊苷，而不能得到长链的正十二烷基D -葡萄糖苷。
The shorter chain alkyl D glucosides such as methyl , ethyl , n butyl, and n penthyl D glucosides, but no long chain n dodecyl D glucoside, are obtained during reactions.
对马来酸三甲氧苯丁氨酯（TM）镇痛作用的机制进行了初步探讨。
The analgesic effect of trimebutine maleate (TM) and its mechanism were studied in this paper.
目的评价头孢西丁纸片扩散法检测耐甲氧西林金黄色葡萄球菌(MRSA)的准确性。
OBJECTIVE To evaluate the accuracy of cefoxitin disc diffusion method for detecting meticillin-resistant Staphylococcus aureus (MRSA).
研究了聚甲基丙烯酸甲酯大单体与丙烯酸丁酯在苯中的共聚。
The poly macromer was copolymerized with butyl acrylate in benzene to form the graft copolymer.
采用直接酯化法，将山梨酸与四种醇反应，合成了山梨酸甲酯、乙酯、丙酯、丁酯。
Methyl, ethyl, propyl and butyl sorbates were synthesized by esterification of sorbic acid with four kinds of alcohol respectively.
探讨马来酸三甲氧苯丁氨酯（TM ）镇痛作用与单胺类递质的关系。
The relationship between trimebutine maleate(TM) analgesia and monoamine transmitters was investigated in this paper.
小说所写的三个主要人物———赵甲、钱丁、孙丙分别代表中国传统文化中刑罚文化、官场文化、民间文化的“隐”性内涵。
Three main figures , ZhaoJia , QianDing , SunBing , in the novel separately represent three different conceal layers of the culture , penalty culture , officialdom culture , popular culture.
通过选择合适的分析条件，可以将脂肪酸正丁酯与脂肪酸甲酯完全分开。
The butyl esters of fatty acid can be separated clearly from the corresponding methyl esters by applying suitable analytical conditions.
以对甲苯磺酸为催化剂，对二甲氨基苯甲酸和异丁醇为原料合成对二甲氨基苯甲酸异丁酯。
Isobutyl p-(dimethylamino) benzoate was synthesized by the esterification ofp-(dimethylamino)-benzoic acid with isobutanol using p-toluene sulfonic acid as the catalyst.
用动态光散射方法研究了以聚丙烯酸丁脂（PBA）为核、 聚甲基丙烯酸甲脂（PMMA）为壳的核壳双层纳米颗粒的粒径和粒径分布。
The size and size distribution of core-shell particles, PBA as core and PMMA as shell, are studied by dynamic light scattering.
报道了用GC／MS方法及衍生化技术研究6甲氧基正丁苯酞（MBP）在大鼠肝微粒体中的代谢转化结果。
The in vitro biotransformation of 6 methoxy butyl phthalide (MBP) by phenobarbital induced rat liver microsomes was investigated by GC/MS and GC/MS with TMS derivatization.
目的：建立反相高效液相色谱法测定人血浆中甲磺丁脲含量的方法。
AIM to establish a reverse phase high-performance liquid chromatography (RP-HPLC) method to determine the level of tolbutamide in human plasma.
应用紫外差光谱和荧光光谱法研究了水溶液中酰胺类除草剂乙草胺、丙草胺、丁草胺、异丙甲草胺与脲酶分子间的相互作用。
The binding of acetochor, pretilachor, butachlor and metolachlor to urease in aqueous solution was studied using UV difference spectrum and fluorescence spectrum methods.
采用酯交换工艺，在均相条件下，由甲基丙烯酸甲酯和正丁醇合成了甲基丙烯酸丁酯(BMA)。
Butyl methacrylate (BMA) was synthesized from n? Butanol and methyl methacrylate at homogeneous reaction by transesterification process.
本实验以甲基丙烯酸甲酯、丙烯酸丁酯和丙烯酸为主要原料，利用乳液聚合方法，制备了一种涂料用的纯丙乳胶。
A per-propyl emulsion for coatings, by emulsion polymerization, was prepared from methyl methacrylate (MMA), butyl acrylate and acrylic as raw materials.
本文采用气相色谱法，用HP-5毛细管柱，以邻苯二甲酸二异丁酯为内标物，用氢火焰离子化检测器对甲氧苄氟菊酯进行定性定量分析。
A method for the determination of metofluthrin TC by GC with HP-5 capillary column, diisobutyl phthalate as internal standard and FID detector was described.
为研究硫醇烯光固化组成物的反应机理，选用安息香双甲醚、安息香乙醚、安息香正丁醚、二苯甲酮和噻吨酮为光敏剂，用红外光谱法研究了硫醇烯的光化学反应动力学。
The kinetics of thiol-ene reaction is studied by Fourier Transform Infrared when benzoin dimethyl ether, benzoin ethyl ether, benzoin butyl ether, benzophenone and ITX were used as photosensitizer.
以对羟基苯甲酸甲酯、1，4丁二醇为主要原料，经熔融酯交换合成介晶基元双-对羟基苯甲酸丁二醇酯（BBHB）；
Bis(p-hydroxybenzonic acid butanediolate)(BBHB)as mesogenic unit was prepared with methyl p-hydroxybenzoate, 1,4-butanediol and catalyst by melting transesterification.
所述钛盐是指钛酸甲酯、钛酸乙酯、钛酸四丁酯、四氯化钛、硫酸氧钛中的任一种；
The said titanate is one of the kinds such as methyl titanate, ethyl titanate, butyl titanate, titanic chloride and titanoxy sulfate.
本题中，上一会计年度甲公司与丁公司的营业额合计超过20亿元人民币，且双方营业额均超过4亿元人民币。
In the case, the previous fiscal year Company Jia and Ding's total revenue is more than 2 billion Yuan, and each of them is more than 400 million Yuan.
大流士王制曰：嗣后，寡人往征巴比伦，讨伐彼自称尼布甲尼撒之尼丁图·贝尔。
Thus said Darius, the King: Then did I march against Babylon, against that Nidintu-Bel, who called himself Nebuchadnezzar.
主要成分：熊果苷、人参提取液、小黄瓜提取液、1,3-丁二醇、氨基酸保湿剂、水解胶原蛋白、甘草酸二甲、白桑葚精华等。
Main ingredients: arbutin, ginseng extract, gherkin extract, 1, 3 - butanediol, amino acid moisturizer, hydrolyzed collagen, dimethyl glycyrrhizinate, white mulberry essence, etc.
采用核壳乳液聚合方法合成了以甲基丙烯酸甲酯、 甲基丙烯酸和丙烯酸丁酯三元共聚物酸为核，聚苯胺为壳的导电高分子复合物。
Using emulsion polymerization, a conductive polymer composite was synthesized with polyaniline as shell , the polymer acid obtained by MMA MAA and BA as core.
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