a compound used as a fixing agent in photographic developing
sodium thiosulphate 例句
英汉例句
it has clamping fastener to separate the inner cavity into two parts, one for sodium thiosulphate and the other for ammonium nitrate.
需用时,将夹链松开,硫代硫酸钠和硝酸铵混合、反应、吸热,而产生制冷效果。
it is the relative simple, safty, effective method that reduction of sodium thiosulphate instead of chromium power in determination of nitrate nitrogen in fertilizer.