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1·Bone mass density; Elderly people; Osteoporosis.

骨密度；老年人；骨质疏松。

2·NYL implant can protect the bone mass of OVX rats.

NYL皮埋剂有保护OVX大鼠骨量的作用。

3·For every month in space, astronauts lose around 2% of their bone mass.

在太空中每过一个月，宇航员就会失去大约2%的骨骼重量。

4·Bone mass decreases because of the loss of estrogen and this can lead to brittle bones.

骨量录得跌幅，因为失去雌激素，这可导致骨骼脆性。

5·Understand how diet, physical activity and other lifestyle factors can affect your bone mass.

来了解一下饮食、体力活动和其他生活方式因素是如何影响你骨量的。

6·Bone cell apoptosis increases the Spaces of bone trabeculae and decreases the bone mass.

当骨细胞凋亡率增加，可致骨小梁间空隙加大和骨量减少。

7·But astonishingly, almost half of our bone mass is soft and alive, allowing our bones to bend.

但是令人惊讶的是，我们骨骼中几乎一半的物质是柔软的，活动，可以使我们的骨骼弯曲。

8·Objective To observe bone mass changes during convalescence after simulated weightlessness.

目的观察模拟失重恢复期骨质的变化。

9·Being in space causes astronauts to lose about 1 to 1.5 percent of their bone mass per month.

在太空会造成宇航员每月流失1 - 1.5%的骨质总量。

10·Calcium supplements and plenty of weight bearing exercise seem to help in maintaining bone mass.

及时补充钙质和足够的负重锻炼一般情况下有助于维持骨量。