... 水中的平均LET（keV/μ） 当量剂量H的SI单位是焦耳·千克-1（J·kg-1），SI单位专名是希沃特（Sievert）符号为Sv。 暂时与SI并用的专用单位名称是雷姆，符号为rem。 ...
基于18个网页-相关网页
这是最近发布的一项研究得出的结论，该研究分析了来自9个国家11个品牌的259瓶水，发现平均每公升水中有325个塑料微粒。
That's the conclusion of a recently released study, which analysed 259 bottles from 11 brands sold in nine countries, revealing an average of 325 plastic particles per litre of water.
结果表明，微絮凝加药过滤工艺滤后水中油和悬浮物去除率平均提高了50％和30％，远优于传统的直接过滤。
The results showed that removal rate of oil and suspended solids in filtered water increased by 50% and 30%, which is much higher than that of conventional direct filtration.
这项研究中的男子，骂人时可以让他们的手在水中（平均190秒），但说中立的词的时候只有140秒。
The men in the study, for example, were able to keep their hands in the water for an average of 190 seconds while swearing, but for only 140 seconds when uttering a neutral word.
应用推荐