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- red potassium chromate [机] 重铬酸钾
- The potassium chromate method is one regular method to determine COD. 重铬酸钾法是测定化学需氧量的常规方法。
- The results show that the amplitude,period and frequency of oscillation changed with the addition of potassium chromate. 结果发现铬酸钾的加入改变了振荡的振幅、周期和频率,且随着浓度的升高,振荡逐渐减弱,甚至完全抑制振荡。
- The influence of potassium chromate on the electrochemical oscillation behavior of copper anode in H_3PO_4 solutions was investigated by using cyclic voltammetry and potentiodynamic scanning. 运用循环伏安法和恒电位法研究铬酸钾及其浓度对铜磷酸溶液的电化学振荡行为的影响。
- Separation of potassium chromate by salting-out crystallization 盐析结晶法分离铬酸钾
- Fading Spectrophotometric Determination of Barium Salt with Potassium Chromate 钡盐的铬酸钾褪色光度测定法
- A bright red welt rose on his arm. 他的手臂上起了明显的条状红肿。
- A red light is usually a signal of danger. 红灯通常是危险的信号。
- He wore a red carnation in his buttonhole. 他的扣洞上了一朵红色康乃馨。
- Keywords Oscillographic titration;Developing agent;Potassium chromate;Metol;p Dihydroxybenzene; 示波极谱法;铬酸钾;滴定;米吐尔;对苯二酚;
- The boy is daubing a piece of paper with red ink. 那孩子正在用红墨水在纸上乱涂。
- He pulled a red sweater on over his shirt. 他在衬衣外面套上了一件红色毛衣。
- Keywords potassium chromate;diffusion controll;electrochemical reduction;stainless steel;passivation; 铬酸钾;扩散控制;电化学还原;不锈钢;致钝;
- Keep on go till you come to a red brick building. 一直往前走直到一座红砖楼为止。
- The land is laid down with red or white clover. 这块土地种上了红花和白花苜蓿。
- Everyone at the rally wore red ribbons as favours. 参加集会的人都系著红丝带作为支持大会的标记。
- Keywords Oscillography;Potassium chromate;Titration;Amidopyrine;Antipyretic analgesics; 示波极谱;铬酸钾;滴定;氨基比林;解热镇痛药;
- Her criticisms were enough to make anyone see red. 她那些批评任谁都得火冒三丈。
- I have a red tracksuit with fleecy lining. 我有一件红色的有羊毛衬里的运动服。
- Keywords potassium chromate;solubility;supersaturation rate;salting-out crystallization;green manufacturing process; 铬酸钾;溶解度;过饱和速率;盐析结晶;清洁工艺;
