three-layer mineral

In this survey, the surface γ dosage, radioactivity specific activity, uranium and thorium series equilibrium, the content of radioactive element of three kinds of typical Chinese zircon mineral has been analyzed, and the component and radioactivity of zircon in Wanning, Hainan Province tested.

调查分析了我国3个典型矿区锆英砂堆放表面γ剂量、放射性比活度、铀系和钍系平衡状况以及放射性元素含量；测定了我国海南万宁矿区锆英砂的组成及放射性。

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Lagerstroemia indica flower was extracted by intermittent oscillation with solvents of mineral ether, water and the 95% ethanol., the growth and development effects of three solvents on the larvae of Helicoverpa armigera were tested.

采用水、石油醚和95%乙醇三种不同极性溶剂，通过间歇震荡法对紫薇花干粉进行提取，并测定了三种提取物对棉铃虫生长发育的影响。

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Mineral flotation froth is a gas-liquid-solid three-phase system, and the type of froth featuring high gas holdup, poor fluidity and too high stability usually causes processing problems.

矿物浮选泡沫是一种气液固三相泡沫体系，对于那些气含率高、流动性差、稳定性高的泡沫而言，普遍存在后续处理难的问题。

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Conclusions: The microwave irradiation may spoil the blood supply and osseous anagenesis of femur, but its mineral density would not decrease at least three months after irradiation

结论：微波辐射破坏了骨组织的血供和再生，但3个月内对骨强度的破坏不显著

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Rice bran is polysaccharide, protein, fat, cellulose, mineral and vitamin B family, three allyl phenol and other physiological functions of active substances.

米糠含有丰富的多糖、蛋白质、脂肪、纤维素、矿物质及B族维生素、生育三烯酚等生理功能活性物质，其中，米糠中丰富的谷维素含量使其倍受瞩目。

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