查询词典 hydrochloric

Unstable when heated in the air quickly oxidized iron tetroxide, dissolved in hydrochloric acid, sulfuric acid generated ferrous salt.

不稳定，在空气中加热时迅速被氧化成四氧化三铁，溶于盐酸、稀硫酸生成亚铁盐。

The property of Rhodamine B was examined in hydrochloric and Trifluoromethyl sulfonic acid, and the standard working curves in thin polymer film were set up.

用紫外分光光度计分别测量盐酸、三氟甲磺酸在不同浓度时罗丹明B特征吸收的变化，选取酸浓度与罗丹明的特征吸收的变化量呈线性关系的线段部分作为标准工作曲线。

Choline chloride is one of B race vitamins and is synthesized by oxirane,hydrochloric acid and trimethylamine.

氯化胆碱由环氧乙烷、盐酸与三甲胺为原料合成，是B族维生素之一，是一种不能替代的饲料添加剂，市场上存在造假掺杂行为，对于各种掺杂行为进行分析识别，并提出鉴别方法

Tyramine was synthesiaed from p-thydroxybenzaldehyde through condensation with nitromethane and then reduction with tin powder and hydrochloric acid.

以对羟基苯甲醛和硝基甲烷为原料，经缩合和锌粉、盐酸还原合成酪胺，两步反应总收率61％。

In hydrochloric acid, the hydration number of uranyl ion decreases with the increment of CHCl/Cuo22+ mole ratio.

在盐酸体系中，铀酰离子的水合数随酸浓度的增大而减少。

The corrosion behavior of sintered NdFeB in nitric acid,hydrochloric acid,vitriol,phosphate and oxalic acid was studied.

研究了烧结钕铁硼在硝酸、盐酸、硫酸、磷酸及草酸介质中的腐蚀特征。

A new production technology,using witherite,hydrochloric acid and industrial refined salt as raw materials,to produce liquid barium chloride with low strontium by crystallization method was put forward.

比较了氯化钡的各种生产方法，提出了以毒重石、盐酸和工业精制盐为原料，结晶法生产液体低锶氯化钡新工艺，并对酸化反应、锶钡分离原理、饱和盐水洗涤及母液处理进行了分析和讨论。

In order to study the effects of acid catalysts on wood liquefaction in phenol, the liquefaction of wood powder from Chinese fir and poplar in the presence of phenol using several relatively weak acids as catalysts, such as phosphoric acid (85%), sulfuric acid (36%), hydrochloric acid (37%) and oxalic acid (99%), were investigated.

为了探讨酸性催化剂对木材苯酚液化的影响，该研究采用磷酸(85%)、低浓硫酸(36%)、盐酸(37%)、草酸(99.5%)4种弱酸性无机酸，在不同温度下进行了木材的液化试验。

Effects of different temperatures on zein film were evaluated for release of nisin into hydrochloric acid.

研究了4种不同温度对玉米朊包埋乳酸菌素释放的影响。

Zinc chloride is salt of heavy metals, and can integrate to protein of cell to form albumen salt and hydrochloric acid.

氯化锌是重金属盐，能与细胞的蛋白质结合形成蛋白盐及游离酸，杀灭细胞。

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。