Examinations of several thousand thin sections revealed a few examples of unaltered ferromagnesian and sulfide minerals. 经过对数千薄片的研究发现了少数未变化的铁镁和硫化物矿的实例.
抗体或能中和病毒,或能活化补体系统以溶解病毒感染细胞.The antibody can either neutralize the virus or activate the C system, which lyses virus - infected cells.补体酶通过刺穿细胞膜来攻击抗原.Complement enzymes attack antigens by puncturing the cell membrane.用琼脂单...
老司机由于骨骼脆化更有可能受重伤。Older drivers are more likely to be seriously injured because of the fragility of their bones.讨论了在脆化影响下的转子残余寿命的估算方法.A residual life calculation method of assessing deteriorated rotor has been proposed.钢材...