因此，无论是疏松或胶结，沉积物总体积都有一部分是由空隙组成的。
Thus a proportion of the total volume of any sediment, loose or cemented, consists of empty space.
因此，举个例子，沙岩可以和构成它的疏松的沙粒一样具有多孔渗水的特点。
The result is that sandstone, for example, can be as porous as the loose sand from which it was formed.
基于此，它选择将重点放在生命科学和医学研究上，并在最近呼吁提出有关肌肉萎缩、骨质疏松症和免疫系统的实验提案。
From this, it has opted to focus on life science and medical research, and recently called for proposals for experiments on muscle wasting, osteoporosis and the immune system.
生理学家发现，失去重力后身体会失去力量，这使得宇航员骨质疏松、肌肉松弛，心血管功能也相应退化。
One thing that physiologists have learned is that without gravity our bodies begin to lose strength, leaving astronauts with weakened bones, muscles and cardiovascular systems.
较紧密的木层比较疏松的木层颜色更深。
The denser layers are generally darker than the less dense layers.
研究土壤疏松对马铃薯生理特性和块茎产量形成的影响。
The effects of soil loose on physiological characters and tuber yield formation of Solanum tuberosum L were studied.
细胞主要呈“成纤维样”，但体积较大、形状不规则、细胞质突起多，细胞核大而疏松，核仁明显。
The cells show fibroblast-like irregular appearance, many cytoplasm ecptoma, puff and large nucleus with obvious nucleoli.
骨质疏松可能会导致牙齿脱落。
我们已经治愈了老鼠的骨质疏松症。
今天的词是：骨质疏松症！
降低患骨质疏松的风险。
实例包括压疮、尿路感染、骨质疏松症和疼痛。
Examples include pressure ulcers, urinary tract infections, osteoporosis and pain.
负重有氧锻炼，比如走路，减少骨质疏松的发病。
Weight-bearing aerobic exercises, such as walking, reduce the risk of osteoporosis.
在饮用咖啡和女性的骨质疏松症之间有某种联系。
There is a link between the consumption of coffee and osteoporosis in women.
它甚至能够导致像骨质疏松和高血压这样的健康问题。
It can even lead to health problems such as osteoporosis or high blood pressure.
如果你是白人或亚裔的话，你患上骨质疏松的风险最高。
You're at greatest risk of osteoporosis if you're white or of Asian descent.
过多摄取盐份可能会引起骨质疏松症、肾脏衰竭和胃癌。
Excess salt has been linked to osteoporosis, kidney damage and stomach cancer.
激素治疗能导致体重增加，潮热，肌力减退以及骨质疏松。
Hormone treatments can cause weight gain, hot flashes, loss of muscle tone and osteoporosis.
洋葱适宜在疏松、肥沃的土壤生长，可以适应多种不同气候。
Onions grow best in loose, fertile soil. They can grow in many different climates.
海默说：“直到你骨折了，你才会知道自己得了骨质疏松。”
“There are no symptoms of bone loss until you get a fracture, ” Somer says.
力量训练会向骨骼施压，从而增加骨密度，降低骨质疏松风险。
By stressing your bones, strength training increases bone density and reduces the risk of osteoporosis.
原木中较长的纤维较容易分离并疏松成柔软的卫生纸。
Longer fibres in virgin wood are easier to lay out and fluff up for a softer tissue.
如果你有骨质疏松或者牙周疾病的家族史，牙齿检查就更有必要了。
And if you have a family history of osteoporosis or periodontal disease, dental checkups are a must.
在地球上，这种情况常常会导致骨质疏松，这将使得骨头容易骨折。
On Earth, the condition often leads to osteoporosis, which leaves bones susceptible to fractures and breaks.
我们家几代人一直受到骨质疏松症的折磨，相信许多家庭都是如此。
Osteoporosis has haunted my family for generations, as it has many other families.
我们家几代人一直受到骨质疏松症的折磨，相信许多家庭都是如此。
Osteoporosis has haunted my family for generations, as it has many other families.
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