查询词典 hydrochloric

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甲氧基苯醌水解反应过程中，当氢溴酸与醋酸摩尔比为1：1时，四羟基苯醌与2mol/L的盐酸溶液中重结晶产品收率最佳

Hydrochloric acid and thiosulphate solution react to give sulphur particles which can block the transmission of light. Under this merit, light sensor can be used to collect the corresponding experimental data. Analysing these data can help to find out the relationship between the concentration of solution and the rate of reaction.

由於氢氯酸与硫代硫酸盐溶液反应所释出的硫磺会影响光线进行，因此利用光度感应器便可收集有关的实验数据，透过这些数据的分析便可找出溶液浓度与这个反应速度的关系。

There is no remarkable difference for removing proteins as consideration of de-protein rate at pH 2.5 of hydrochloric acid(69.55%) and trichloro acetic acid(73.73%).

三氯乙酸和盐酸在pH 2.5时的脱蛋白率分别为73.73%和69.55%，差异不显著，实际生产中可用盐酸替代三氯乙酸进行脱蛋白处理。

The authors carried many researches of the feasibility about enriching and separating trace zinc from almost cadmium, and the rate of recoveries of several common metal ions according to this methodo Through repeatedly probed and tried out, at last, a thought as collaborated with traditional methods was established - using diantipyrinylmethane as complex reagent ,with ammonium thiocyanate and zinc forming the triple ionic compound in the medium of hydrochloric acid , extracted by trichloromethane, extracted the organic system by ammonium hydroxide in order to gain zinc .

本文主要研究了从镉基体中富集分离微量锌的可行性，以及采用该方法几种常见金属离子的回收率。通过反复的摸索、试验，最终确立了与传统方法相结合的思路—采用二安替比林甲烷作为络合剂和硫氰酸铵、锌在盐酸介质中形成三元离子缔合物，用三氯甲烷作为萃取剂，最后用氨水作为反萃剂将有机相中的锌洗脱出来与镉分离。

The impacts of urediniospore activity, concentration of hydrochloric acid and physiological races of rust fungi on protoplast shrinking were also studied.

研究还发现叶锈菌和秆锈菌夏孢子活力、盐酸浓度等对夏孢子原生质体浓缩状况有很大影响，且与病菌生理小种有一定的关系。

The title compound used as an amino acetylating reagent was further reacted to yield Cefepime hydrochloric acid, the crystals obtained has white pale color and is stable to temperature, and has no E-isomer too.

用其作为氨基酰基化试剂进一步合成盐酸头孢吡肟，也得到基本上白色的对温度稳定的不含E-异构体的晶态化合物。

Determination of its content by idometry is performed and the effect of acidifying with acetic acid and hydrochloric acid on the result of the test is investigated.

采用碘法滴定测其含量，并探讨了醋酸酸化和盐酸酸化对测定结果的影响。

Methods: Twenty four hours urine was taken from urinary calculus patients and acidified by concentrated hydrochloric acid and diluted, concentrations of calcium and phosphonium were measured by biochemical analyzer. Alkalinized by natrium hydroxydatum and diluted to measure concentration of uric acid.

收集结石患者24h尿液，用浓盐酸酸化和稀释处理后，用生化分析仪测定其中钙、磷浓度，再以氢氧化钠碱化和稀释后测定尿酸浓度。

The aromatics were chlorinated to corresponding chloride with hydrochloric acid as chlorinating agent and trichloroisocyanuric acid as co-catalyst in the presence of sodium nitrite under mild conditions.

研究发现在NaNO_2存在时，氧气能够以HCl为氯化试剂，以三氯异氰脲酸为助催化剂，在温和条件下将芳香化合物氧化氯化生成相应的氯代芳香化合物。

The aromatics were chlorinated to corresponding chloride with hydrochloric acid as chlorinating agent and trichloroisocyanuric acid as co-catalyst in the presence of sodium nitrite under mild conditions.

研究发现在NaNO_2存在时，氧气能够以HCl为氯化试剂，(来源：dc3cdcABC论文网www.abclunwen.com)以三氯异氰脲酸为助催化剂，在温和条件下将芳香化合物氧化氯化生成相应的氯代芳香化合物。

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。