介绍了用充填式浮选机与普通浮选机从金矿石中浮选回收金的对比试验研究。
This paper presents that the experimental researches on recovering gold from gold ores by the packed float cell and a ordinary float cell respectively.
通过柱浸方式，用加入黄铁矿和不加入黄铁矿的铀矿石进行微生物浸铀对比试验，从浸出周期、耗酸率、铀浸出率等方面研究黄铁矿对微生物浸铀的影响。
A comparative tests of uranium bio-leaching was conducted, where with and without the presence of pyrite are studied and comparison made on leaching cycle, acid consumption rate and rate of leaching.
本文从循环软化和循环蠕变两个不同侧面对常用弹簧钢的弹性松弛趋势进行了对比试验研究并对它们的弹性松弛趋势大小进行了初步评价。
Based on the results of cyclic softening and cyclic creeping tests at room temperature, the resilient relaxation tendency of the most commonly used spring steels were discussed in the paper.
从1984年起，笔者对南酸枣进行了造林对比试验。通过试验对该树种的造林立地、造林时间、造林方法得出了结论。
The Comparing test on the afforestation of Choerospondias axillaris started in 1984 revealed the proper site, time and method for afforestation.
从1984年起，笔者对南酸枣进行了造林对比试验。通过试验对该树种的造林立地、造林时间、造林方法得出了结论。
The Comparing test on the afforestation of Choerospondias axillaris started in 1984 revealed the proper site, time and method for afforestation.
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