查询词典 acetic

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。

The vanillin-perchioric acid was used as the chromogenic agent, and glacial acetic acid was used as solvent system.

选取香草醛－高氯酸作为显色剂，冰醋酸为溶剂。

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 showed that the gibberellic acid in the O. americanus seeds was decreased first and then increased during the cold stratification. The indole-3-acetic acid was not changed obviously at the first 45 days, while after that it was increased gradually.

结果表明：赤霉素的含量先降低后升高；生长素的含量在最初的45天变化不明显，之后逐渐增加；脱落酸的含量逐渐减少。

Result The results indicated that the effects on Qixinghong of gibberellic acid 800 mg/L+spermidine 70 mg/L treatment was obvious, followed with 6benzyladenine 150 mg/L+naphthalene acetic acid 60 mg/L treatment.

结果］结果表明，GA 800 mg/L+Spd 70 mg/L处理七星红山茶的效果较好，BA 150 mg/L+NAA 60 mg/L次之；GA 500 mg/L+BA 120 mg/L处理红芙蓉山茶的效果较好，GA800 mg/L+NAA 80 mg/L对红芙蓉山茶有一定的促进作用。

In the air, formic acid, acetic acid content of the environment, the more its wood products the higher the concentration.

空气中的甲酸，乙酸含量与所在环境有关，木制品越多其浓度越高。

Under the same concentration of organic acids, formic acid demonstrated stronger ability to accelerate fructose decomposition than acetic acid.

在相同浓度有机酸存在时，甲酸对果糖分解反应的促进作用明显大于乙酸。

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。