leaching g yield 浸出率
Using this technology, the leaching yield over 97% and recovery yield of zinc over 92% and separating of lead zinc could be realized.
该工艺浸出率达97%以上，锌总回收率达92 %以上，并可实现铅锌分离。
Effects of applying different nitrogen fertilizer on yield, quality and nitrate leaching in soil layer were studied during the cucumber growth period in greenhouse.
不同施氮措施条件下，对保护地黄瓜生育期内氮素吸收利用效率、氮素淋洗损失进行了研究，同时也研究了不同处理对黄瓜产量及品质的影响。
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