采用负载型铜氨络合物催化剂进行糠醛气相加氢制2 甲基呋喃。
Vapour phase hydrogenation of furfural was employed to produce 2 methylfuran through a copper ammonia complex catalyst.
研究采用氨络合转换方法，制备了医用或化妆品活性氧化锌等产品。
The ZnO and Cu product can be obtained through ammino complexation and method of substitution.
介绍了硫酸铵氨络合浸出法直接由矿物原料制取等级氧化锌新工艺。
Direct preparation of grade zinc oxide from zinc oxide ores or zinc bearing materials by using ammonium sulfate and ammonia leaching process has been described.
所得少量浓缩液去掉铁等杂质之后，加过量氨使钴形成络合物，再用锌粉置换出金属钴粉。
Cobalt can be converted into complex ion by excess ammonia and then recovered as highly pure metal cobalt powder by replacing with zinc powder.
我们还对传统的甲醛—硫酸法进行了改良，并将新的甲醛—硫酸法运用于硝酸尿素金属络合物中的酰氨态氮和总氮含量的测定中。
We also improved the conventional formol-H2SO4 titrimetric method, and applied it into the determinations of the contents of amide nitrogen and total nitrogen in urea nitrate metal complexes.
降解及络合池塘的氨氮、硫化氢、亚硝酸盐、重金属离子及其它有害物质，消除水体油粘感及去除污臭味。
It can degrade and scale ammonia, hydrogen sulfide, nitrite, heavy metal ions and other harmful substances in pool, and eliminate oil viscosity and foul odor.
降解及络合池塘的氨氮、硫化氢、亚硝酸盐、重金属离子及其它有害物质，消除水体油粘感及去除污臭味。
It can degrade and scale ammonia, hydrogen sulfide, nitrite, heavy metal ions and other harmful substances in pool, and eliminate oil viscosity and foul odor.
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