查询词典 acetic acid

Glacial acetic acid is a dehydrating agent and an irritant and is corrosive.

冰醋酸是个脱水代理及刺激物和腐蚀。

MethodsThe model rats with gastric ulcer were prepared by glacial acetic acid.

方法采用冰醋酸烧灼法制备大鼠胃溃疡模型。

Mobile phase was acetonitrile-1% glacial acetic acid in water.

流动相为乙腈-1%冰醋酸，柱温为35℃，流速为1.0 ml/min，检测波长为254 nm，进样量为20μl。

Ammonium acetate buffer solution adjusted to pH 4.3 with glacial acetic acid; methanol.

醋酸铵缓冲溶液调节pH 4.3和冰川醋酸；(2)甲醇。

ObjectiveTo develop the determination method of total triterpenoids in vanillin glacial acetic acid system by spectrophotometry.

目的建立香草醛-冰醋酸体系分光光度法测定毛老虎中总三萜酸的方法。

By selecting the development duration (boiling time in a boiling water bath) of the glacial acetic acid colorimetry, the sensitivity of the method is improved.

通过对冰醋酸比色法显色时间的选择，提高了方法的灵敏度。

The results prove that the exact component of smuggled heroin drugs is diacetylmorphine hydrochloride hydrate, which is the basis of drug detection by acetic acid gas sensor.

红外光谱和XRD分析了毒品海洛因的组成成分，确定了乙酸传感器检测海洛因毒品的理论依据。

Acetic acid soluble in water, alcohol, ether and carbon tetrachloride, insoluble in carbon disulfide.

乙酸易溶于水、醇、醚和四氯化碳，不溶于二硫化碳。

It studies the synthesis of n-butylacetate with acetic acid n-butanol as raw material,sodium bisulfate monobydrate as catalyst.

以一水合硫酸氢钠为催化剂，冰乙酸与正丁醇为原料合成了乙酸正丁酯。

The acetic acid copper ammonia solution is concise section of construction project get out product , holds comparatively important position in entire procedure of production.

醋酸铜氨溶液是精炼工段出来的产品，在整个生产过程中占比较重的地位。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。