查询词典 hydrochloric acid

2The chemical oxidization method was used to prepare emeraldine salt type conductive polyaniline co-doped with hydrochloric acid and dodecylbenzene sulfonic acid (PANI－HCl－DBSA) by interfacial polymerization which employ immiscible interface formed via the water and organic solvent.

2采用化学氧化合成法，以界面聚合方式，利用水与有机溶剂所形成的不相容界面，直接制备以盐酸和十二烷基苯磺酸共掺杂ES型导电性聚苯胺(PANI－HCl－DBSA)，藉由加入适量之DBSA，达到聚苯胺可完全溶解分散於有机溶剂中的目的。

Using hydrochloric acid as a cheap catalyst,perfume methyl furoate was synthesized from methanol and furoic acid prepared from furfural,and was characterized by GC,IR and 1H-NMR.

从糠醛出发，由制备的糠酸和甲醇反应，在盐酸催化下，合成了香料糠酸甲酯，并用IR、1HNMR、GC等进行了表征；探讨了包括高纯度糠酸的制备在内的反应影响因素，在醇酸物质的量之比为 5∶1、催化剂体积占甲醇体积 13.0 %、反应时间 3h的最佳工艺条件下，酯化收率为81 0 %，收率比硫酸法、某些固体超强酸法

The Mannich reaction of Nu with the product of acid hydrolysis of hexamethylene tetramine in hydrochloric acid was reported.

首次完成了硝基脲与乌洛托品在盐酸中降解的酸解产物的曼尼希反应。

Antimony samples were dissolved by aqua regia, hydrobromic acid, and hydrochloric acid step wisely, converting sulfur in the samples into sulfate.

方法采用王水，氢溴酸，浓HCl等试剂将锑样溶解，并使锑样中的硫转化为SO42-，低温加热蒸干，使锑完全挥发。

By the quantitative analysis of flavonoids from the extract under acid hydrolysis condition, it is demonstrated that the level of isoquercitrin degrades along with the content of hydrochloric acid elevating and the level of kaempferol is reverse. Those reveal that there exist flavonoid conjugates whose aglycone is kaempferol in the leaves.

对青钱柳酸水解液中成分的测定表明，随着酸浓度的提高，异槲皮苷的含量下降，槲皮素的含量上升，山奈酚的含量也随酸浓度上升而增高，表明青钱柳中尚有以山奈酚为苷元的黄酮苷存在。

Taking N205 as surfactant, sulfonic acid as carrier, liquid paraffine as membrane intensifier, kerosene as membrane solvent and hydrochloric acid as well as sodium chloride as aqueous internal phase.

研究了以N205为表面活性剂，磺酸基络合剂为流动载体，液体石蜡为膜增强剂，磺化煤油为膜溶剂，盐酸加氯化钠为内水相的乳状液膜在湿法磷酸体系中捕获镁离子时的稳定性。

The stability of LEM served in magnesium ion extraction under the circumstance of WPA is studied. Taking N205 as surfactant, sulfonic acid as carrier, liquid paraffine as membrane intensifier, kerosene as membrane solvent and hydrochloric acid as well as sodium chloride as aqueous internal phase.

研究了以N205为表面活性剂，磺酸基络合剂为流动载体，液体石蜡为膜增强剂，磺化煤油为膜溶剂，盐酸加氯化钠为内水相的乳状液膜在湿法磷酸体系中捕获镁离子时的稳定性。

The process of the present invention consists in bringing into contact, on the one hand, gaseous phosphorus pentafluoride or a gaseous mixture comprising phosphorus pentafluoride and hydrochloric acid, and, on the other hand, a solution of lithium fluoride in hydrofluoric acid, in a column (10) having a sufficient number of transfer units to carry out the reaction of PF5 with LiF under the chosen conditions of temperature, of pressure and of molar ratio of the two contrasting reactants and with complete or substantially complete absorption of the PF5 in the column.

本发明方法是让气态五氟化磷或五氟化磷与盐酸的气态混合物与氟化锂的氟氢酸溶液在塔（10）中接触，该塔转化单元数足以在选定温度、压力与两种反应剂摩尔比条件下使PF5与LiF反应，塔中五氟化磷完全或基本完全被吸收。

By using the hydrochloric acid pickling wastewater and scrap iron asraw materials ,the polysilicic acid - polyferric chloride flocculant isprepared under different conditions.

以盐酸酸洗废液和废铁屑为原料，制备了聚硅酸聚合氯化铁复合型絮凝剂，研究了聚铁中铁浓度、聚合硅酸浓度、聚合硅酸pH值、n∶n及复合熟化时间等因素对絮凝性能的影响。

"Finally, hydrochloric acid (327 kg) was added to the product (8) and the mixture was refluxed for approximately 2 hours to allow the amide to hydrolyze to the carboxylic acid."

最后，在产品(8)中加入327千克盐酸，混合物回流加热约2小时，使酰胺水解成羧酸。

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。