The rate of epimerization of the D-histidine bitartrate by using of Salicylaldehyde as the catalyst was larger than that by butanal.

Synthesis of 3 ( 3 Methylphenyl) butanal

3-（3-甲基苯基）-丁醛的合成

Synthesis of 4-( N, N-Dimethylamino) butanal Diethyl Acetal by Grignard Reaction

格氏反应合成4-（N，N-二甲胺基）丁醛缩二乙醇

To develop a synthetic route of 4 ( N, N dimethylamino) butanal diethyl acetal.

[目的]探讨4-（N，N-二甲胺基）丁醛缩二乙醇的合成路线。

Butanal, reaction products with butylamine;

丁醛与丁胺的反应产物；

Aldol-Tishchenko reaction of butanal catalyzed by various lanthanide complexes was studied.

研究了十多种不同稀土有机化合物对丁醛Aldol-Tishchenko反应的催化活性。

Studies of eliminate butanal from commercial crude THF with some adsorbents

几种吸附剂对工业级粗四氢呋喃中丁醛的脱除效果研究

Using SDS as an emulsion reagent, 1-bromo-2-( 3-butenyl) naphthalene and methacrylic acid are copolymerized by ultrasonic radiation to form phosphorescent poly ( methacrylic acid) nanoprobes which have good biological compatibility and water solubility.

以十二烷基硫酸钠作为乳化剂，在超声辐射作用下，磷光体1-溴-2-（3-丁烯基）萘和甲基丙烯酸发生共聚，形成生物兼容性的聚甲基丙烯酸基纳米磷光探针。

Syntheses and Characterizations of 1-Methyl-1-Ethyl-3-Butenyl Cyclopentadienyl Lanthanide Dichloride Complexes

1-甲基-1-乙基-3-丁烯基环戊二烯基稀土二氯化物的合成与表征

Synthesis Techniques for 3-Methyl-2-Butenyl Acetate

乙酸-3-甲基-2-丁烯酯的合成工艺

The roughly Maryland-size country, between Greece and Montenegro, sits about 45 miles east of Italy on the eastern shores of the Adriatic and has limestone-ringed beaches, ancient ruins like Butrint and waterfront inns where you can stay for less than$ 50 a night.

阿尔巴尼亚地处希腊与黑山共和国之间，领土面积与美国马里兰州相若，坐落在亚得里亚东海岸意大利以东大约45英里处。这里环绕着石灰岩海滩、布特林特（Butrint）等古代遗址和廉价的海滨客栈，每晚房费不到50美元。

Unable to regain5 her old shape through exercise, Buttram, 32, opted6 for breast augmentation and a tummy tuck, popular procedures in what plastic surgeons have dubbed7 “ the mommy makeover. ”

例如：32岁的Buttram在生育后无法通过锻炼恢复体形，她选择进行了隆胸术和腹部拉皮手术，整形外科医生称之为“妈咪整容术”。

The rabbits were injected 3% nembutal ( 1mg/ kg) intraperitoneally. Secondly, cut L_ ( 1-3) spinous process and lamina of vertebra to expose dura.

3%戊巴比妥钠（1ml／kg）腹腔注射麻醉，常规消毒铺巾，显露L（1-3）棘突及椎板，显露硬膜。

Ten days after the model of diabetes mellitus was established, all of the rats were equipped the appliance. Under the anaesthesia of 3% Nembutal, appliance was adhered on the upper incisor.

糖尿病模型成模10天后各组大鼠上装置，以3%戊巴比妥钠腹腔注射全麻下，上中切牙粘固矫治器。

Nembutal Sodium exerts a depressant action on the CNS and shares the sedative-hypnotic actions typical of the barbiturates.

戊巴比妥钠对中枢神经系统产生抑制作用，并显示戊巴比妥类特有的镇静催眠作用。

A barbiturate ( trade name Nembutal) used as a sedative and hypnotic and anti-spasmodic.

一种戊巴比妥酸盐（商品名Nembutal）用作镇静药和催眠和反间歇性痉挛。

Application of butadine binder to pigment printing

丁二烯粘合剂在涂料印花中的应用

Includes National Park fee, Columbia Icefield Snow Coach, Lake Louise Gondola, Butchart Garden, BC Ferry.

包括国家公园门票、哥伦比亚大冰原雪车、露易丝湖缆车、宝翠花园、卑诗渡轮。

The Planting Design of Butchart Gardens and its Revelation

布查花园的种植设计解析及其启示

Butchart said he hopes the new agreement will highlight the urgency of the situation.

布莱德希望新的协议会突显形势的紧迫性。

Occasionally, the sound of arc welding filled the silences between stanzas. It was, she later said, "the butchest I have ever felt."

偶尔，车间里的电焊噪音还会打破诗节之间的沉寂，洛克伍德后来说这首诗是她迄今为止“感觉最爷们”一首作品。