查询词典 potassium dichromate

Potassium dichromate was replaced by ceric sulfate as oxidant to determine the COD in this study.

采用硫酸高铈作为氧化剂来测定难降解垃圾渗滤液的COD，测定结果与重铬酸钾法进行比较。

Results of organic mass spectrometry analysis of East Lake, Wuhan showed the applicability of potassium dichromate method in eutrophic waters.

根据东湖水样的有机质谱分析结果，重铬酸钾法测定富营养化水体的适用性在文中得到论证。

Furthermore, calf thymus DNA damage induced by potassium dichromate in combination with Glutathione was studied by AFM and UV.

这种特异性分子印迹介质的制备，为分离提纯特种结合蛋白提供了一种优良的方法，相信其在分离提纯领域将得到越来越广泛的运用。

In the presence of the combination of sulphuric and phosphoric acid, with sodium diphenylamine sulfonate as the indicator, standard solution of potassium dichromate was used to titrate total iron value.

试样以盐酸溶解后，在酸性介质中，先以氯化亚锡将三价铁大部分还原为二价，然后在钨酸钠指示下，再以三氯化钛将剩余的三价铁还原为二价，过量的三氯化钛以重铬酸钾氧化消除干扰，在硫磷混合酸存在下，以二苯胺磺酸钠为指示剂，用重铬酸钾标准溶液滴定全铁量。

The results demonstrated that the OCP corresponding to ferricyanide, hydrogen peroxide and potassium dichromate could reach 0.72V, 0.33V and 1.13V respectively, which was observed to be lower...

结果表明，铁氰化钾、过氧化氢和重铬酸钾对应的开路电位分别为0·72V、0.33V和1.13V，均低于高锰酸钾的1.41V。

The upward mice were inoculated with 2.0×105 oocysts, which were kept at the same time and with the same methods, in 4 ℃, 2.5 % potassium dichromate. 2 days after infection, mice feces were collected and oocyst were isolated and purified used saturated sucrose flotation.

以上各组每只小鼠感染保存时间和方法均相同的微小隐孢子虫卵囊的剂量均为2.0×105个，感染后第3天开始收集鼠粪，收集的鼠粪均用饱和蔗糖漂浮法分离纯化卵囊。

Ultrasound is found to have significant effects on the oxidation of anthracene to anthraquinone by potassium dichromate in sulfuric acid solution.

温度分别为30℃、40℃和50℃时，在超声作用下，反应4 h后蒽的转化率分别为51.4 %、55.3 %和59.3 %；无超声作用下，蒽的转化率则分别为3.4 %、6.9 %和9.5 %。

SO 3- can turn acidified potassium dichromate solution from orange to green.

亚硫酸根离子可把酸化重铬锰酸钾由橙色变成绿色。

The organic mailer content in soil and turf from 10 areas in Qinghai Province was determined by external heating method and potassium dichromate volumetric method.

方法］用外加热法和重铬酸钾容量法对青海10个不同地区土壤和泥炭中的有机质含量进行了测定。

The stray light is evaluated using the cut-off solution method and its effects were studied by means of simulation background absorption using potassium dichromate solution molecular absorption.

用截止溶液法检验了杂散光的存在，并用重铬酸钾溶液分子吸收模拟背景吸收的方法研究了杂散光的影响。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。