查询词典 hydrochloric acid

This is the normal appearance of the gastric fundal mucosa, with short pits lined by pale columnar mucus cells leading into long glands which contain bright pink parietal cells that secrete hydrochloric acid.

胃底正常黏膜，小凹由苍白的柱状黏液细胞排列形成长的腺体，此腺体包含能够分泌盐酸的、亮粉红色的壁细胞。

When hydrochloric acid was added into saccharin sodium solution,chemical reaction happened,whose product was glucide,which cannot be dissolved in water,however,it can be dissolved by ethyl acetate,therefore glucide can be extracted from other components,then can be determined by titration with sodium hydroxide.

利用糖精钠与盐酸反应生成不溶于水而溶于乙酸乙酯的物质，将其萃取出来，然后再利用氢氧化钠对其进行滴定分析，采用二分试差法准确测定了某镀光亮镍添加剂中糖精钠及某镀光亮镍液中糖精钠的含量，分别为88。

The results from laboratory research indicated that the max rate of dry leaching is 4%;The rate of wet leaching of vitriol is higher than hydrochloric acid, when the concentration of vitriol is 40%, measuring Ratio of Solid to Liquid of serpentine and vitriol is 4:1.,and joined helper leaching agent: HF (The amount put in is 1.2%-1.5% of the 40% vitriol), the rate of leaching of magnesia could over 98%. After using ammonia to trash extraction, basic magnesium carbonate is acquired by ammonium hydrocarbonate.

经过实验室研究，干法氧化镁的浸出率未超过4％；湿法硫酸的浸出率高于盐酸，在硫酸浓度为40％，硫酸与蛇纹石的液固比为4：1时，加入助浸剂HF(加入量为40％硫酸质量的1.2％-1.5％)后氧化镁的浸出率为98％以上。

By analyzing and researching the corrosion resistant mechanism of adsorption typal acidification corrosion inhibitor, taking single equational experimental method, making use of mannich reaction and using the hydrochloric acid as catalyst and the ethyl alcohol absolute as solvent, the new acidification corrosion inhibitor HZ-1 is synthesed by formaldehyde、hypnone、aromatic amines in the present research of this thesis.

本文通过对吸附型酸液缓蚀剂缓蚀机理的分析和研究，利用单因素实验方法，采用曼尼希反应，以盐酸为催化剂，无水乙醇为溶剂，用甲醛、苯乙酮、芳香多胺合成了新型酸化缓蚀剂HZ-1。

Some factors affecting the results such as pH value of the solution, quantity of CaCl2 solution, hydrochloric acid and PCW intenerate reagent had been studied.

探讨了废水溶液pH、CaCl2溶液使用量、盐酸及PCW软化剂加入量等因素对处理效果的影响。

The results showed that under optimized conditions, each 100mL wastewater was treated with 15mL CaCl2 solution (634g/L), 6.2mL hydrochloric acid and 2.5g PCW intenerate reagent in turn, and recovered glyphosate solution could match the standard of Producing corporations.

结果表明：在最佳工艺条件下，每100mL废水，用15mL CaCl2溶液（浓度为634g/L）沉淀，过滤后的滤饼用6.2mL盐酸处理后再经2.5g PCW软化剂处理，得到的草甘膦溶液达到生产企业所要求的标准。

Objective To explore the effects of intravenous infusion of heparin on PaO2, histology and survival time in acute lung injury rats following intratracheal infusion of hydrochloric acid.

目的 探讨经静脉早期注射大剂量肝素对盐酸诱导大鼠急性肺损伤血气、肺组织病理形态学以及生存时间的影响。

Methods After the sample of Fenneropenaeus chinensis, Litopenaeus vannamei, Liza haematocheila, Acanthogobius hasta, Mactra veneriformis, Aloidis laevis, Ostrea denselamellosa and Fenneropenaeus chinensis was digested with concentrated hydrochloric acid, the lead content in marine products was measured by fluorimetric method and the results were compared with dithizone spectrophotometry.

采用湿式消解法对中国对虾、南美白对虾、梭鱼、矛尾刺虾虎鱼、四角蛤蜊、光滑兰蛤、密鳞牡蛎、中国对虾样品进行处理，采用浓盐酸作溶剂，荧光分光光度法直接检测铅含量，并与双硫腙光度法的测定结果进行比较。

Determine you medicine effective composition in the Chinese ephedra with HPLC (regard content that the hydrochloric acid of Mahuang are counted ) as finished product index that ration control.

以HPLC法测定君药麻黄中有效成分的含量作为成品定量控制的指标。

The free fatty acids were extracted with petroleum ether and were separated on silicon gel column chromatography. The ethyl acetate-soluble lipid fraction and water-soluble lipid fraction were subjected to hydrochloric acid-catalyzed methanolysis, then were extracted with petroleum ether, respectively.

用石油醚提取低极性组分，经硅胶柱层析分离得到游离脂肪酸；用乙酸乙酯提取酯溶性神经酰胺及其衍生脂类，提取物和残余的水溶性脂类分别经盐酸甲醇解，水解产物再用石油醚提取。

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。