P-DCB

Comparing the middle and high dose groups of p-DCB mothball with the negative control, the micronucleus frequency was significant differences ( P < 0.05).

中、高剂量组与阴性对照组微核率比较，经统计检验差异有显著性。

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Study on Refining P-DCB by Watering-Out Crystallization

水析结晶精制对二氯苯研究

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The study indicated that the volatilization of P-DCB was very rapid with a high rate and obeyed to the first-rank reactive dynamics equation.

结果显示，雪、水中P-DCB的挥发速率相当迅速，土壤中P-DCB的挥发速率相对较慢，但都服从一级反应动力学方程；

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Objective To study the acute toxicity of Para-Dichlorobenzene ( p-DCB) mothball.

目的研究市售含对二氯苯防蛀剂的急性毒性。

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When the adding concentration of p-DCB in snow and water was in the range of 0.1~ 100.0 μ g/ g and 0.1~ 100.0 μ g/ mL, the higher the adding concentration, the quicker the volatilization rate and the shorter the half-life.

雪与水中p-DCB在投加浓度分别为0.1~100.0μg/g，0.1~100.0μg/mL范围时，投加浓度越高挥发速率越快，挥发半减期越短。

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Under natural conditions, the half-life of p-DCB in snow and water was 2.32~ 3.25 days and 0.76~ 1.20 days, respectively.

在自然条件下，雪与水中p-DCB半减期分别为2.32~3.25d和0.76~1.20d。

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Adsorption Equilibrium of Separation of p-DCB from Liquid Mixture by Adsorption

从二氯苯异构体混合液中吸附分离对二氨苯的相平衡研究

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The adsorption equilibrium properties of p-DCB and o-DCB mixtures on X and Y zeolites exchanged with different kinds of cations were investigated.

用各种不同阳离子交换的X、Y型分子筛吸附剂，对p-DCB和o-DCB混合溶液进行了吸附平衡的试验，取得了选择性和吸附量等数据。

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The volatilization contaminative behavior of p-DCB in snow and water under different climate was explored on the basis of the determination of residual dynamics of p-DCB in snow and water applying the gas chromatogram technique.

应用气相色谱法对对二氯苯（p-DCB）在雪与水中残留动态进行测定，探讨了不同气候下水中p-DCB的挥发污染行为。

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The volatilization rate of p-DCB in snow and water was fairly rapid and obeyed to the first-rank reactive dynamics.

结果表明，雪与水中p-DCB的挥发速率都相当迅速，并服从一级反应动力学。

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