查询词典 acetic aldehyde

For the same blending system, the penetration rates for acetic ether, absolute alcohol and gasoline, increase in sequence.

对同一体系，对乙酸乙酯渗透率最小，无水乙醇次之，汽油最大。

In the presence of acetic acid and polyethylene glycol, chromic anhydride and acenaphthene react under mild condition and acenaphthene can completely convert into acenaphthenone .

在醋酸、聚乙二醇存在下，铬酸酐和苊在温和的条件下反应，苊可以完全转化为苊酮。

Acenaphthenone was prepared by the oxidation of acenaphthene in the presence of chromic anhydride , acetic acid and polyethylene glycol as a phase transfer catalyst under mild reaction conditions with high yields.

研究了在铬酸酐、冰醋酸和相转移催化剂聚乙二醇存在下苊的氧化反应，较温和的条件可高产率地得到苊酮。

Methods Protein in blood and urine was precipitated directly by acetonitrile with acetanilide was used as the internal standard using Agilent Zorbax SB-Aq column (250 mm×4.6 mm, 5 μm). The mixed solvents of water (triethylamine 0.12%, acetic acid 0.12%) and acetonitrile were used as the mobile phase to separate cephalosporins using gradient elution method at 1 mL/min and 254 nm.

以乙酰苯胺为内标，血液和尿液用乙腈直接沉淀蛋白，采用Agilent Zorbax SB-Aq(250 mm×4.6 mm， 5 μm)色谱柱，流动相选用水（含0.12%三乙胺和0.12%乙酸）和乙腈的混合溶剂梯度洗脱，流速1 mL/min，检测波长254 nm。

Acetic Acid, 25% or more but not more than 90

醋酸，25%或以上，但不超过90

In this study, we would compare with cleaning efficiency between citric acid and acetic acid.

在本论文中，我们将比较柠檬酸和醋酸移除铜离子的能力。

The effects of temperature and concentration of acetic acid were also studied.

同时也对实验条件的改变对迁移量的变化进行了研究，重点考虑浸泡液温度和浓度对迁移量的影响。

The beer flavor also is influenced by the production of small amounts of glycerol and acetic acid.

啤酒的风味也会受到少量的甘油和醋酸的影响。

Acetic acid production capacity accounted for 32% of the whole of Europe.

醋酸生产能力占整个欧洲的32%。

A salt or ester of acetic acid .

高氯酸形成的一种盐。

Listen,point and check your answers.

听，指出并且检查你的答案。

Warming needle is one of effective treatment methods for knee arthralgia aggravated by cold,and it is simple,safety,so it should be developed in clinical acupuncture and moxibustion extensively.

但以本院科针灸门诊在2005年1月—2006年6月期间共收治膝痛患者100余例，经过临床的诊断后，其中施以温针治疗的48例，疗效显著，报道如下。1临床资料本组病例48