大块率是评价露天矿台阶深孔爆破质量的重要指标之一。
The blasting boulder yield is an important quality indicators in the step long-hole blasting of surface mine.
设计了球形闭孔膨胀珍珠岩的性能指标，并给出了测试方法。
The property indexes of spherical hole-closed expanded perlite are designed and the test methods are given in this paper.
方法：采用紫外分光光度法测定不同大孔树脂对指标性总黄酮和总生物碱的吸附量。
Methods: UV spectrophotometry was employed to determine the adsorption capacity of different macroporous adsorbing resins for total flavonoids and total alkaloids.
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