罗彻斯特大学的研究人员发现，白藜芦醇可以让肿瘤细胞对杀癌射线更加敏感，同时让健康细胞不那么容易受到影响。
The Rochester researchers found that resveratrol made tumour cells more sensitive to cancer-destroying radiation while rendering healthy cells less susceptible.
因此，在不减低肿瘤放射敏感性的前提下，肿瘤研究者对如何保护正常组织免受射线诱导的损伤产生了浓厚的兴趣。
Hence, there is great interest among cancer researchers in finding ways to protect "innocent" tissues against radiation-induced damage without comprising tumor radiosensitivity.
与密度测井不同的是，其伽马射线源和探测器的布置方式能使它们对井内环形空隙中物质的密度很敏感，可以将套管外面的流体和水泥区分开来。
The source and detector, however, are arranged to be sensitive to the density of material in the annulus and can distinguish between fluid and cement behind the casing.
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