查询词典 hydrochloric acid

Methods:Use the acidbase neutralization method,make the NaOH solution titrate surplus hydrochloric acid standard solution after calcium carbonate in cuttlebone,gain the acid strength of Wubeichangweiping capsule by calculated.

采用酸碱中和法，用氢氧化钠滴定液滴定中和乌贝肠胃平胶囊海螵蛸中碳酸钙过剩的盐酸标准溶液，计算得乌贝胃肠平胶囊的制酸力。

The method is based on the diazo-reaction between nitrite ion and fuchsin acid in a hydrochloric acid medium.

研究了在酸性介质中，NO2-与酸性品红发生重氮化反应，致使酸性品红的荧光强度随NO2-加入量增加而明显降低的现象，建立了荧光熄灭法测定痕量NO2-新方法。

Methods: In the presence of hydrochloric acid or nitric acid, geranyl sulfone was prepared from geraniol in isopropyl alcohol or THF under reflux conditions for 18 h or 28 h, respectively.

以异丙醇或THF为溶剂，盐酸或硝酸为催化剂，香叶醇与苯亚磺酸钠回流反应18或28 h得香叶基砜。

The effects of levulinic concentration and flow rate of hydrolyzate as well as column height were examined. Hydrochloric acid was used as eluent and the effect of concentration and flow rate on the elution of levulinic acid was evaluated.

在此基础上，直接利用小麦秸杆水解液研究了在装有D301树脂的固定床上的穿透曲线和洗脱曲线，考察了进样浓度、空速和树脂装柱高度对穿透曲线的影响。

Your goal is to report the molarity of the hydrochloric acid and the molarity of the phosphoric acid in the mixture, with their uncertainties.

你的目标是要回报在混合物中氢氯酸的莫耳浓度和磷酸的莫耳浓度以及它们的不确定度。

The hydrochloric acid and the molarity of the phosphoric acid in the mixture, with theiruncertainties.

氯酸的莫耳浓度和磷酸的莫耳浓度以及它们的不确定度。

After surgery,all patients had SpO2 somewhat declined.6 had lung infection.6 were removed of bronchial secretion by bronchoscope.2 were supported by ventilator by using intubation.2 underwent tracheotomy.1 had disturbances of acidbase balance and treated by using hydrochloric acid muriatic acid.

术后所有病人PaO2均有不同程度的下降，6例出现肺部感染，6例行纤维支气管镜吸痰，2例通过气管插管给予呼吸机支持，2例行气管切开术，1例酸碱平衡紊乱使用盐酸精氨酸治疗。

The method is based on the inhibitory effect of citric acid on the oxidation of phenol red peroxide catalyzed by Fe in hydrochloric acid solution.

在稀硝酸介质中，柠檬酸能阻抑铁催化过氧化氢氧化酚红的褪色反应，据此建立了阻抑动力学光度法测定柠檬酸的新方法。

Results The major occupational hazards in the expansion project were sulfuric acid, hydrochloric acid, ammonia, sodium hydroxide, cyanide, nickel and its compounds, formaldehyde, organic solvent and noise. Many protective measures would be carried out in this expansion projects.

结果该建设项目在生产过程中存在的主要职业病危害因素有硫酸、盐酸、氨、氢氧化钠、氰化物、镍及其化合物、甲醛、有机溶剂、噪声等，根据有关规定企业拟采取相应的措施。

The samples were dissolved in hydrochloric acid and nitric acid with lower temperature. The stibium content was directly determined by atomic absorption spectrometry.

合金以盐酸-硝酸混合酸低温溶解，用原子吸收光谱法直接测定合金中锑的含量。

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。