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1·Bone mass density; Elderly people; Osteoporosis.

骨密度；老年人；骨质疏松。

2·The gravity field out of the earth depends on the interior mass density distribution of the earth.

地球外部重力场是由地球内部物质分布决定的。

3·The strength of the particles are high, the mass density is increased more apparently compare to other method of granulation.

颗粒强度高，堆积比重的提高较其它造粒方式都更为显著。

4·Hence, the rest-mass of the neutrino being non-vanishing would influence greatly the mass density and further the evolution of the universe.

因此，中微子是否具有静止质量，将极大地影响着宇宙中的质量密度，从而影响着宇宙演化的进程。

5·The dynamic mass density can even be negative for the locally resonant sonic materials, as demonstrated both experimentally and theoretically.

实验和理论显示，对于局域共振声学材料而言，动态质量密度甚至还会变成是负的。

6·It is proved that the method is correct by comparing with the theoretical results of a simply-supported beam with random mass density and section diameter.

用一个具有随机质量密度和截面直径的简支梁的理论结果，验证文中方法的正确性。

7·Objective: To observe the effect of embedding thread at Pishu(BL 20) and Shenshu(BL23) on bone mass density(BMD) and pain in the female of primary osteoporosis.

目的：观察脾俞、肾俞穴位埋线对原发性骨质疏松妇女骨密度及疼痛的影响。

8·The partial testosterone replacement therapy in aging men could elevate the bone mass density, but the advantages and the disadvantages should be observed further.

老年人部分睾酮替代治疗可提高骨密度，但其利弊需进一步观察。

9·Undisturbed earths gravity field under the status of hydrostatic equilibrium is parallel gravity field, and its distribution of mass density is spherically Symmetric.

无扰动的流体静力平衡状态下的地球重力场是平行重力场。

10·CONCLUSION Genistein could improve the bone mass density, biomechanics and correlated biochemical indicators ovariectomized rats and could be used for osteoporosis treatment.

结论染料木素对模型动物的骨密度、骨生物力学及相关生化指标都具有改善作用，具有较好的抗骨质疏松作用。