The threshold level at which some kind of reaction can occur may be less than a thousandth of a potentially fatal dose, so where do you draw the line?
可能发生某种反应的临界值也许不到可能致命剂量的千分之一,那么,你在哪里划这条线呢?
The order of reaction, Tate constant and threshold energy have been measured.
测得了其解离反应级数、速率常数和解离能量阈值。
Objective To study the reaction between tinnitus volume and the ascending speed of auditory threshold in chronic nervous tinnitus patients.
目的了解神经性渐进性耳鸣、耳聋患者的耳鸣响度与听阈提高速度的关系。
The threshold energy formula of nuclear reaction in which energy is absorbed is obtained using laboratory frame. It is consistent with the result obtained in mass center frame.
在实验室坐标系下,给出吸能核反应所要求的阈能,其结果与质心系下得到的结果完全一致。
Putting the reactants in uniform electric field, we reduced the laser power density threshold needed by said reaction by a factor of two.
把反应物置于均匀外电场中,可以使引发化学反应时所需的激光功率密度阀值降低一倍。
Methods: To observe the electrical threshold of excitation and behavior reaction of 5 cases during the SPR resect the nerve fasciculus of lower threshold and reacted spreading phenomenon.
方法:对5例行spr患者进行术中电刺激阈值及行为反应观察,对阈值较低、有反应扩散现象的神经小束予以切除。
Methods: To observe the electrical threshold of excitation and behavior reaction of 5 cases during the SPR resect the nerve fasciculus of lower threshold and reacted spreading phenomenon.
方法:对5例行spr患者进行术中电刺激阈值及行为反应观察,对阈值较低、有反应扩散现象的神经小束予以切除。
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