first cleavage cycle 第一次卵裂周期
In order to define the optimum temperature for inhibiting the eggs’ first cleavage, different temperatures were tested to heat shock the activated eggs that had finished the chromosomeset copying completely.
用不同的温度处理完成了染色体复制的被激活卵，以确定抑制被激活卵的第一次卵裂的最适休克温度。
参考来源 - 热休克法抑制第一次卵裂实现草鱼雌核发育的细胞学观察·2,447,543篇论文数据，部分数据来源于NoteExpress
Objective To investigate the relationship between the first polar body morphology of oocyte and the zygote morphology in pronucleus stage, embryo quality in cleavage stage.
目的探讨卵细胞第一极体形态与原核期受精卵形态、卵裂期胚胎质量的关系。
Temperature could influence not only the dechlorination rate, but also influence the reaction pathway. Dechlorination was first and then the cleavage of benzene ring at higher temperature;
温度不仅影响脱氯速率，而且影响氯酚去除的途径，温度较高时，氯酚先脱氯后开环；
The experiment shows that the parent molecule first occurs -cleavage and absorbs (2 + 2) photons to get to ion state.
实验结果显示，母体分子首先发生断裂并且吸收(2 + 2)个光子到达离子态。
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