This derivation is only valid if no chain scission accompanies crosslinking.这一关系式仅适用于交联时不伴有断链发生的情况.The reaction of chain scission is first - order reaction.白油的断链为一级反应.The research on producing 10 - hydroxy decanoic acid ...
研究了偕二金属有机试剂3与氯化三烷基锡和碘的非对映选择性反应.The diastereoselective reactions of organogembismetallic reagent 3 with trialkyl tin chloride and iodine were studied....
Families of six or seven are the norm in Borough Park.在区公园住宅区六口或七口之家十分普遍。a departure from the norm一反常态Of his age, the child is above the norm in arithmetic.在他那个年龄, 这个孩子的算术能力是超过标准的....