The effects of hexanolactam as electron donor on graft reaction was investigated.
并探讨了己内酰胺作为电子给体添加剂对接枝反应的影响.
The electron orbit converge from reverse direction can explain diamond.
电子全部反向交汇解析了金刚石.
Methods After fixation by perfusion seem and fractured tissue , by light microscopy and transmission electron microscopy.
方法灌流固定后半薄超薄切片光镜和电镜下观察.
The most delicate measurements so far indicate that an individual neutrino weighs less than a millionth what an electron weighs.
目前为止最精确的测量显示,中微子的质量不到电子质量的百万分之一。
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