Methods Using the KB cell and resistant KB cell (KB/VCR) to vicristine, applying MTT assay, test drug sensitivity; PKC activity and effect of PKC modulators were studied in KB cell and KB/VCR.

方法：测定KB细胞及其耐药株的PKC活性及PKC调节剂对细胞药敏、药物代谢和耐药膜糖蛋白表达及其磷酸化的影响。

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Effect of ethanol concentration on the soil invertase activity and effect of different substrate (saccharose) concentrations on the relationship between invertase activity and ethanol were studied.

研究了不同浓度乙醇对土壤转化酶活性的影响以及不同底物(蔗糖)浓度对乙醇与转化酶活性关系的影响。

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Login has a longer term effect and carries some type of context, like a stateful activity.

登录则具有较长时间的效果，并附带某种类型的上下文，像一个有状态的活动。

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He compared obesity rates and physical activity levels of women who had been in high school before and after Title Nine took effect.

VOA: special.2010.03.04

Rather as in the economic sphere competing private companies tend to produce wealth and activity, whereas monopoly firms have the opposite effect, so in the religious sphere competing sects generate a ferment of activity and increased levels of belief, whereas state churches produce indifference.

ECONOMIST: Therapy of the masses

Meanwhile the natural body clock was disturbed - some genes naturally wax and wane in activity through the day, but this effect was dulled by sleep deprivation.

BBC: Bad sleep 'dramatically' alters body

The ONS said that beyond the effect of ticket sales, it was hard to put an exact figure on the Olympic effect, although it cited increased hotel and restaurant activity in London as well as strength from employment agencies.

BBC: UK economy returns to growth with help from Olympics