The ammonia leaching process of zinc oxide is thermodynamically analyzed based on the feature of refractory zinc oxide minerals.
针对难选氧化锌矿的特点 ，对氧化锌矿氨浸过程进行热力学分析。
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.
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。
Using zinc oxide mine as a raw material, activated zinc oxide can be produced by ammonia leaching, getting rid of impurity, depositing zinc, drying and calcining.
以锌焙砂为原料，经氨浸，除杂，沉锌，干燥，煅烧等工序制取了活性氧化锌。
A new technology of atmospheric activating ammonia leaching for extracting copper from Dongchuan's copper oxide ores has been advanced instead of pressure ammonia leaching.
提出采用常压活化氨浸处理我国东川铜矿低品位难选氧化铜矿取代加压氨浸的新工艺。
The experimental process for recovery molybdenum and ammonium chloride from mother liquors of ammonium molybdate and ammonia leaching molybdic acid using HT adsorbents is presented.
介绍利用HT吸附剂从钼酸铵母液及氨浸钼渣酸分解母液中回收钼及氯化铵的实验过程。
It describes the test and research on recovering silver from silver bearing residue by using sulfuric acid leaching ammonia leaching process, which is simple and worthy of promotion.
介绍了银渣回收银的试验研究情况，采用硫酸浸出-氨浸法处理银渣，工艺简单合理，技术指标高，有一定的推广价值。
Biochar applied to Australian fields and left for a number of months cut such emissions by more than 70 percent as well as preventing nitrogen and ammonia from leaching out of the soil in water.
生物炭在澳大利亚使用后，几个月后，农田的碳排放量剧减70%多，与此同时，它还能阻止土壤里的氨氮溶入水体。
The direct leaching method of roasted molybdenite with ammonia (or liquid ammonia) instead of aqueous ammonia has been described.
本文介绍了直接用氨气(或液氨)代替氨水浸出钼焙砂的方法。
The concentration of ammonia, leaching temperature and roasting temperature are important factors in NHb-leaching experiment.
氨浸实验中影响镉浸取的因素主要有：浸取液浓度、浸取温度和镍镉电池的焙烧条件。
The results suggested that both nitrogen addition and water and nitrogen addition promoted the ammonia volatilization, but had little effects on the nitrate leaching of the sandy grassland.
可见，氮添加和水氮添加均促进了土壤的氨挥发，对硝态氮的淋溶没有显著影响。
Through the leaching experiment, this paper studied on the slowly releasing characteristics of lignin compound fertilizer which was made of ammonia products of ammonia sulfite pulp black liquid.
通过肥料的沙柱淋溶性试验，研究了以亚铵法制浆蒸煮废液氨解产物为原料研制的木质素肥料的缓释特性。
The effects of a new fertilization method-NDSA(nitrogen depot with saturated ammonium) on the loss of nitrogen from ammonia volatilization and N leaching were studied by imitation experiments.
采用室内模拟氨挥发和模拟降雨土柱淋洗方法，研究了NDSA（饱和铵贮库）施肥法对降低氨挥发和氮素淋失的作用。
The property of copper-ammonia complex and its function mechanism on leaching of gold with ammonia and thiosulfate are discussed.
介绍了铜氨配合物的性质及其在氨和硫代硫酸盐浸金中的作用，分析并探讨了铜氨配合物的催化作用和氧化作用。
The review and research of activated ZnO production, especially the ammonia chloride leaching process are stated. The improving Suggestions are proposed.
通过研究，对现行活性氧化锌的生产工艺加以比较、评价，提出改进意见，重点对氯化铵浸取法进行了深入研究。
The correlation coefficient between total ammonia volatilization and N leaching rate was 0.903.
土壤氨挥发总量与肥料累积溶出量相关系数为0.903；
It can be seen that low concentration of ammonia can promote the bacteria leaching.
由此可见，低浓度的氨水对细菌浸矿有促进作用。
The test result indicated that copper leaching rate related to the ammonia density, leaching cycle, temperature, liquid solid proposition, activator and so on.
试验结果表明，铜浸出率与氨浓度、浸出周期、温度、液固比、活化剂等因素有关。
The invention relates to a technology for leaching silver from ores with ammonia free thiosulfate solution.
本发明是无氨硫代硫酸盐溶液从矿石中浸出银的工艺。
The nitrogen fertilizer losses in paddy field involve nitrification-denitrification, ammonia volatilization, nitrate leaching and runoff.
稻田中氮素损失途径主要有氨挥发、硝化-反硝化、淋洗和径流，其中氨挥发是氮素损失的主要途径。
The nitrogen fertilizer losses in paddy field involve nitrification-denitrification, ammonia volatilization, nitrate leaching and runoff.
稻田中氮素损失途径主要有氨挥发、硝化-反硝化、淋洗和径流，其中氨挥发是氮素损失的主要途径。
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