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Master the Keto-Enol tautomerism; reactions of enols:α-H substitution reactions;α-halogenation of aldehydes and ketones;α-bromination of carboxylic acids; acidity ofα-H atoms: enolate ion formation; reactivity of enolate ions; alkylation of enolate ions; mechanism of carbonyl condensation reactions;condensations of aldehydes and ketones: the Aldol reaction; dehydration of Aldol products; the Claisen condensation reaction; the Michael addition.

熟练掌握酮式－烯醇式互变异构；烯醇的反应：α-H的活性；醛酮的α卤代反应；羧酸的α-溴代反应；α-H的酸性：烯醇负离子的形成；烯醇负离子的反应；烯醇负离子的烃基化；羰基化合物的缩合反应机理；醛酮的缩合反应－Aldol缩合；Aldol缩合产物的脱水反应； Cleisen 酯缩合反应；麦克尔加成反应。

This investigation focuses on pigment phthalocynine green G modified with octadcylamine, which is suspended in tetrachloroethylene and 1,2-dibromoethane using span-80 and CH-6 hyperdispersants as emulsifiers.

采用正交设计方法，以十八胺改性酞菁绿G形成电泳颗粒，以四氯乙烯和1，2-二溴乙烷的复配液为分散介质，Span-80和CH-6超分散剂为稳定剂，制备了分散性和稳定性良好的电泳显示液。

Products: 3 - benzoyl-ethyl acrylate (97% min), acyl phosphorus acid methyl ester (98% min), P acyl three ethyl acetate (98% min), a phosphorus acid acyl The ethyl esters (98% min), 3 - bromine -1,3,4,5 - tetrahydrocannabinol -2 H-1-benzo-Aza Zhuo -2, 1 - naphthalene-tetrahydrocannabinol (98% min), 3,5 - dimethyl benzoyl chloride (99% min), 3,5 - dichloro benzoyl chloride (97% min), the ethyl benzoyl chloride (99% min), a TCA Ester (99.5% min), o-benzoyl methyl benzene (99% min), 4 - phenyl benzophenone (99% min): glacial acetic acid (99% min), methanol (99% min), liquid chlorine (99.5% min), caustic soda (30% min), isopropyl alcohol (99% min), anthranilic acid (99% min), dichloroethane (99% min ), Chunben (99% min), toluene 99% min

3-苯甲酰基丙烯酸乙酯（97%min）、磷酰基乙酸三甲酯（98%min）、磷酰基乙酸三乙酯（98%min）、磷酰基乙酸甲酯二乙酯（98%min）、3-溴-1，3，4，5-四氢-2H-1-苯并氮杂卓-2酮、1-四氢萘酮（98%min）、3，5-二甲基苯甲酰氯（99%min）、3，5-二氯苯甲酰氯（97%min）、对乙基苯甲酰氯（99%min）、氯乙酸甲酯（99.5%min）、邻苯甲酰基苯甲酸甲酯（99%min）、4-苯基二苯甲酮

OBJECTIVE To study the effect of ambroxol injection on the pharmacokinetics of theophylline in rabbits.

目的 ：研究氨溴索注射液对茶碱在家兔体内药动学的影响。

Objective To compare the bronchodilating effects of ipratropium bromide and theophylline in chronic obstructive pulmonary disease.

目的 比较定量雾化吸入溴化异丙托品与口服氨茶碱片对支气管扩张的作用。

Bromoxynil octanoate was synthesized from bromoxynil, octanoic acid and thionyl chloride in the solvent using DMF and N(C 2H 5) 3 as catalysts by one step reaction.

以DMF、三乙胺为催化剂，在溶剂中，用辛酸直接合成了溴苯腈辛酸酯，实现由酸合成酯的一步反应。

Using thymol -sodium hypobromite as chromogenic reagent,and extracting the colour formed with butanol,a spectrophotometric method for the determination of arginine in fermentation broth was studied.

以百里酚的次溴酸钠溶液为显色剂，用正丁醇萃取显色产物，以分光光度计比色测定有机相的吸光度值。

The influence of ZQM1 - 1000/10 thyratron reservoir voltage on CuBr laser output power was measured and analysed.

分析和测量了ZQM1—1000／10氢闸流管的氢发生器电压对溴化亚铜激光器激光平均功率的影响。

Pretty is a quiet 3 year-old spayed female tortoiseshell from the Powerview, MB area.

漂亮是一个安静的三年岁的女性玳瑁spayed从Powerview ，甲基溴领域。

A two dimensional photofragment ion-velocity imaging technique coupled with a (2＋1) resonance-enhanced multiphoton ionization scheme was utilized to obtain the angular and translational energy distributions of the nascent Br(2 P 3/2) and Br*(2 P 1/2) atoms.

实验中得到了二溴甲烷光解产生的Br*(2 P 1/2)和Br(2 P 3/2)在不同波长下的角度和平动能分布。

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。

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。