The scientists gave ethanol to laboratory rats and found that the stomach mucous membrane of those which had eaten strawberry extract for the previous ten days suffered less damage.
科学家给实验室小白鼠服用了乙醇，发现那些在此前十天内曾吃过草莓提取物的小白鼠胃粘膜受到的损害比较小。
It has managed to increase the power it generates per square metre of membrane from less than one watt to three, and hopes eventually to reach five.
这项技术让半透膜每平方米的发电能力从不足1瓦提高到3瓦，并希望最终能达到5瓦。
Diaphragm couplings commonly used in the servo system, the membrane has good torsional stiffness, but less in the bellows coupling.
膜片联轴器常用于伺服系统中，膜片具有很好的扭矩刚性，但稍逊于波纹管联轴器。
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