查询词典 Potassium

Schultze ' s solution A solution of zinc chloride, potassium iodide, and iodine used mainly for testing for cellulose and hemicellulose.

溶液：为氯化锌和碘化钾的混合溶液。碘主要用来检测纤维素与半纤维素的存在。

In this article, a new analytical method for determination of the content of active manganese dioxide left in waste Zn-Mn battery was proposed by iodimetry combined with potential titration. The influence of reaction time, temperature and the quantity of potassium iodide were investigated.

本文提出结合电位滴定技术用碘量法测定废旧锌锰干电池锰粉中剩余活性二氧化锰含量的新方法，对方法中反应时间、温度、碘化钾用量等影响因素进行试验，确定了最优实验条件。

The addition of 0.01％ of potassium iodide, which has no effect on taste, began in 1924 in the United States following the discovery that insufficient iodine causes goiter, an illness that had been endemic in America since the beginning of the century.

加0.01％碘化钾后在口味没有影响，在美国发现不足的碘会导致甲状腺始於1924年，是美国在世纪初的病症。

Methods Rapid phenol-chloroform method, salting out method and potassium iodide method were used to extract genomic DNA from human blood.

选用快速氯仿－异戊醇法、简化盐析法、改良碘化钾法直接从全血中提取基因组DNA。

Private Salt" and did not add potassium iodide "unsatisfactory salt", although the offense did not commit murder, and there is no "real salt" and "false salt respectively, and their main ingredients are sodium chloride.

私盐"和没有添加碘化钾的"不合格盐"，虽然违法确不会害命，并没有"真盐"和"假盐的分别，它们的主要成分都是氯化钠。

Place in a 250 ml conical flask fitted with a ground-glass stopper, 10.0 ml of the solution, 15 ml of water R, 5 ml of hydrochloric acid R and 4 g of potassium iodide R, close the flask, allow to stand in the dark for 15 min and add 100 ml of water R.

滴定 在250ml的带磨砂玻璃塞的锥形瓶中，加入10.0 ml的此溶液，15 ml的水，5 ml的盐酸和4 g的碘化钾，塞上塞，避光静置15分钟，再加入100 ml的水。

On the day of use, add a solution prepared by dissolving 5 g of potassium iodide and 6 g of iodine in 20 mL of water.

在使用当日，加入以5g碘化钾和6g碘溶解于20mL水中配制成的溶液。

Place in a 250 ml conical flask fitted with a ground-glass stopper, 10.0 ml of the solution, 50 ml of water R, 12 ml of dilute acetic acid R and 3 g of potassium iodide R.

滴定 在250ml的带磨砂玻璃塞的锥形瓶中，加入10.0 ml的此溶液，50ml的水，12ml的稀乙酸和3 g的碘酸钾。

SO2 remove capacity of activated carbon modified by potassium iodide, copper sulphate and nitric acid increased by 116%, 25%-and 16.7% over that of activated carbon unmodified.

此外，烟气中的O_2能增强SO_2在活性炭上的吸附，烟气中的H_2O也显著增强SO_2在活性炭上的吸附，SO_2吸附量的增加来源于SO_2的化学吸附量。

The parameters including sample preparation, oxidation, titratable acidity and color reversion in end point were investigated, and the effect of excessive potassium iodide on reaction equilibrium was discussed.

对样品溶解、氧化、滴定酸度和终点返色现象等进行试验，并讨论了过量碘化钾对反应平衡影响。

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％。