那是磷酸氢二钠七水合物。
砷酸氢化钠七水合物；
Disodium hydrogen arsenate heptahydrate; Sodium hydrogen arsenate heptahydrate;
本发明通过四水合七钼酸铵在水中和钾离子反应制备三水合三钼酸钾纳米线。
The preparation method prepares the potassium trimolybdate trihydrate nanowires through the reaction of hexaammonium molybdate tetrahydrate and potassium ions in water.
第七章分析了天然气水合物保温保压取样器的结构和工作原理。
In chapter 7, the structure and the working principle of the gas hydrate temperature-hold and pressure-tight sampling corer are discussed.
第七章分析了天然气水合物保温保压取样器的结构和工作原理。
In chapter 7, the structure and the working principle of the gas hydrate temperature-hold and pressure-tight sampling corer are discussed.
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