含量的百分率愈大，品位愈高-译注最好的矿砂开采殆尽，矿主们会转向开采那些品位不好的矿，但会面临更困难的自然条件，开采这些矿会带来更多的污染，也会需要更大的能耗。
As the best bodies of ore are exhausted, miners move on to less concentrated deposits in more difficult natural circumstances. These mines cause more pollution and require more energy.
采用体脂百分率确定教学分组，并根据其体脂含量来安排不同组别的运动量与强度，教学效果有明显的提高。
Establish teaching groups according to body fat percentage, and arrange the sports load and intensity for various groups according to their body fat amount, the teaching results improved clearly.
通过实验证明茜素红溶液降解百分率，受不同催化剂、催化剂中多酸含量、催化剂的用量、茜素红溶液的初始浓度等影响。
On the other hand, the degradation of Alizarin red was affected by different type catalyst, content of POM in catalyst, dosage of catalyst, and original concentration of Alizarin red solution.
各阶段放热量和RDX含量成指数关系，热失重百分率与RDX含量成线性关系。
Heat in each stage has exponential relation with RDX content, and thermal weightlessness has linear relation with RDX content.
各阶段放热量和RDX含量成指数关系，热失重百分率与RDX含量成线性关系。
Heat in each stage has exponential relation with RDX content, and thermal weightlessness has linear relation with RDX content.
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