via 高考四级六级考研

METHODS Terazosin hydrochloride was synthesized from anhydro-piperazine via acylation,reduction,amination,salification etc.

方法以无水哌嗪为起始原料,经酰、还原、胺、成盐等反应制得盐酸特拉唑嗪。

They have arrived at a solution via scientific investigation.

他们通过科学调查研究得出了解决问题办法。

Ascomycetes also important in study of mitotic recombination via a parasexual cycle.

子囊菌在研究准性生殖中也是重要。

The bedrooms also have cross ventilation via fanlight windows above doors.

卧室则通过门上扇形窗对流通风。

Epoxides, episulphides and ethylene imines also polymerize via similar cyclic onium ion mechanisms.

环氧，环硫和乙烯亚胺也可以按类似于环氧?睦胱拥幕?理进行聚。

Method The target compound was synthesized from clarithromycin via hydrolyzation,acetylation,cyclic carbonatation,oxidation,decarbonatation,acylation,cyclic carbamatation and cyclization.

方法以克拉霉素为起始原料,经水解、乙酰、环碳酸、氧、脱碳酸、酰、环氨基甲酸和环等反应成目标。

Both female and male conceptacles open to the exterior via a pore, the ostiole.

雌雄性生殖窝均通过小孔与外界相联系。

The news reached me via my aunt.

那消息是通过婶婶转告。

Grey water enters a soakaway via a grease trap.

水通过油脂分离器后汇入渗水坑。

We came back via the north track and ended up on the track to Sandfly point.

们回来时候是经过北边小道，最后在前往Sandfly角小径上结束。

P-methoxybenzeneacetonitrile was prepared in 34. 8% yield starting from anisole, via chloromethylation, cyanogenation and fractional distillation.

以苯甲醚为原料,经过氯甲基,氰反应后,通过精馏获得对甲氧基苯乙腈,总收率为34.8%。

Indirect cooling circuit via heat exchanger allowing optional heat recovery for the calorifier or cabin heating.

间接排气管水冷却方式，当水流经热交换器时，允许水流经任意方向通过水与气热交换器或散热箱。

Deuterated perlolyrine was synthesizedstarting from deuterated tryptophan via acid-catalyzed ring-closure, aromatisationand hydrolysis, with a yield of 11.

以色氨酸和氘水反应成氘标色氨酸为原料，经环、氧脱羧及水解等反应成氘标川芎哚，产率为11。

Microspheric trans aconitic acid imprinted polymers were synthesized via a precipitation polymerization with acetonitrile as dispersion solvent.

以乙腈为分散剂,采用沉淀聚法成了反乌头酸分子印迹聚微球。

Aim To sum up the experience of the upper and middle ureterolithotomy via the semilunar line incision.

目总结经半月线切口在输尿管上中段取石术中应用体会。

Objective To study the methods and the experiences of pituitary adenoma resection via direct monorhinic endonasal transsphenoidal approach.

摘要目探讨垂体腺瘤经单鼻孔-蝶窦显微手术方法及经验。

The patient underwent ALIF via a retroperitoneal approach and posterior percutaneous pedicle screw fixation at L4–5 (Fig. 1).

患者通过腹膜后径路接受了L4-5ALIF，并由经皮椎弓固定。

The recent developments in conventional synthesis of naphthol are summarized, including sulfonation alkali-fusion, via isopropyl naphthalene, hydrolysis, via tetrahydronaphthalene.

摘要简述了近年来一元萘酚传统成技术发展，包括磺碱熔法、异丙萘法、水解法、四氢萘法。

System of law: The chloride of nicotinic acid via nicotinic acid chloride was then formed with the mannitol condensation.

甘露醇烟酸(Mannitol Nicotinas)，降血脂及周围血管扩张药。Nicotinate mannitol (Mannitol Nicotinas), fat and peripheral vasodilator. 制法：以烟酸经酰氯得烟酸酰氯，再与甘露醇缩而成。

Phenoxyacetophenone could be prepared from potassium phenolate and m bromoacetophenone via Ullmann reaction catalyzed by copper acetate in high yields.

间苯氧基苯乙酮可由酚钾与间溴苯乙酮在醋酸铜催下以高产率成。