查询词典 potassium dichromate

The main methods are: glass-electrodes method, potassium dichromate method and statistical method.

采用的主要方法有：玻璃电极法，重铬酸钾法，统计学方法等。

In the experiment, three kinds of solution which contain glycerol, sucrose and potassium dichromate are preparation.

第三部分，建立基于2×2熔锥型光纤耦合器的溶液浓度传感测量实验系统。

The paper will focus on the study of potassium dichromate simulating waste water and real chromium residue.

本论文以重铬酸钾模拟废水和实际废渣为研究对象，探索性地开展了以下几个方面的工作。

The separation of Al and Si in the clean production process for potassium dichromate was studied.

摘 要：研究铬盐清洁生产工艺中铝硅的脱除。

The conclusion of this study was that potassium dichromate has obvious teratogenic effect on Zea mays L.

因此，重铬酸钾对玉米根尖细胞具有明显的致畸效应，在一定范围内可以指示环境中重铬酸钾的污染程度。

The distilled water and potassium dichromate (0.05%) were used as the negative and positive control respectively.

恢复培养24h后，将根尖固定、酸解、染色、压片和镜检，并计算微核率和染色体畸变率。

Potassium dichromate was chosen as the pollutant and its initial concentration was 100mgkg^(-1) kaolin.

选用重铬酸钾作为污染物，配制的高岭土的重铬酸钾质量分数为100mgk^(-1)。

In this paper,by the University has been the chemical knowledge of the potassium dichromate has no mercury titration experiment, given the conditions and the determination of reliable analytical methods.

本文应用大学已获得的化学知识，对已有的重铬酸钾无汞滴定法进行实验研究，给出了测定条件和可靠的分析方法。

Potassium dichromate was chosen as the pollutant and its initial concentration was 500mgkg^(-1) Kaolin.

试验选用重铬酸钾作为污染物，配制高岭土中Cr初始质量分数为500mgkg^(-1)。

The comparison of monitoring COD in water with rapid monitoring method and potassium dichromate method is finished.

比较了快速测定法与国家标准方法重铬酸钾法(GB11914-89)测定化学需氧量。

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％。