The number of cationic bromine and chlorine compounds is restricted.

溴、氯阳离子化合物的数量受局限。

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The effects of mesh number of standard sieve on effective chlorine content of calcium hypochlorite were tested.

研究了漂粉精母液中有效氯的回用工艺流程，并测试了循环次数对漂粉精有效氯含量的影响。

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In general, the activity of the halide component of the initiator increases with the number of chlorine or bromine atoms joined to a single carbon atom.

一般说来，引发剂的卤化物组份的活性，是随连在同一碳原子上的氯和溴原子的数目的增多而增长。

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And if we talk about chlorine, and both of the chlorines are the same in this case, we start with a valence number of 7 for chlorine, and then we subtract 6, because it had 6 lone pair electrons around each of the chlorine atoms.

而如果我们讨论氯的话，在这个例子中两个氯的情况都是一样的，从七个价电子开始，然后减去六，因为每个氯原子周围,都有六个孤对电子。

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