酸式硫化鈉 的英文怎麼說
中文拼音 [suānshìliúhuànà]
酸式硫化鈉
英文
sodium acid sulfide-
The optimum conditions for air electrode preparation were shown as follow : 20 % ptfe and 20 % mno2 in active layer, thickness of active layer 0. 15 - 0. 25mm and the ratio of active carbon to ethine black 4 : 1 ; 60 % ptfe in the gas diffusion and waterproof layer, employing na2so4 as pore - making agents, thickness 0. 35 - 0. 45mm, colding forming and layer sequence catlytic layer / gas diffusion and waterproof layer / current collector layout ; employing 40 meshed nickel screen as current collector and thermal treatment temperature over 200
確定了制備空氣電極的優化工藝條件，催化層中ptfe含量約20 ， mno _ 2的最佳含量約為20 ，催化層中活性炭和乙炔黑的比例為4 ： 1 （質量比） ，厚度在0 . 15 - 0 . 25mm之間。防水透氣層中ptfe的含量約為60 ，以無水硫酸鈉作為造孔劑，厚度一般為0 . 35 - 0 . 45mm 。電極各層採用催化層/防水透氣層/集流體的排布方式，冷壓成型，熱處理對空氣電極的性能影響較大，熱處理溫度不低於200 。The coating effects of these modifiers are evaluated in the order of ( napoa ) 6 > c2hsoh > na2sio3 > h2o > naoh. the organic modification reagent such as sodium stearate and polyethylene glycol can modify the nanosized powders, sodium stearate has good effect when its adding amount to nano - tio2 is 8 %, the concentration is about 0. 1 mol / l, the value of ph is 5, and the reaction period is up 30 minutes. to modify the powders with polyethylene glycol, the amount must be limited from 1 % to 2 %, the value of ph is between 3 and 5, and the reaction period should be up to 2 hours, the effect will be mo
不同分散劑對其分散效果為: （ napo3 ） 6 > czhsoh > n處5103 > hzo > naoh ;採用有機改性劑硬脂酸鈉和聚乙二醇進行了納米二氧化欽的有機改性研究，獲得了改性劑用量，濃度等最佳工藝條件的參數;對納米二氧化欽進行了包裹二氧化硅的研究，適當調整溶液的ph值，滴加硫酸的速度，以及改變滴加方式，獲得了較緻密的包覆二氧化欽，其分散性和酸溶性都獲得了較大程度的改善。Abstract : in order to comprehensively recover the valuable metals, it ' s necessary to use the method of removal of impurity of sodium sulphide in ammonium molybdate production with high tungsten and low potasium molybdenum concentrate. the process of comprehensive utilization of this slag was related
文摘:使用高鎢低鉀鉬精礦生產合格的鉬酸銨時，仍需要採用硫化鈉除雜的方式，以達到綜合回收有價金屬的目的，本文詳述了該渣的綜合利用過程。
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