In this study, rat dental pulp cells were isolated and their differentiation ability was evaluated.

Human dental pulp stem cells were isolated , cultured , and seeded into the scaffold.

目的:研究成人牙髓干细胞与壳聚糖-磷酸三钙复合材料的生物相容性.

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Method: Open drainage and dental pulp cavity seal were adopted.

方法: 采用开放引流、髓腔封闭二种方法.

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What is your flight number and the original departure date?

你的班次及本来的出发日期是 什么 ?

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The phenomenon of shear-induced structure transition can occur for lamellar liquid crystals vesicles and wormlike micelles.

层状液晶、囊泡和虫状胶束等结构在剪切作用下能发生变化。

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The name of the database in which the error must occur for the alert to fire.

数据库名，只有该数据库中发生错误时，才能激发警报。

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The validate parameter identifies what validations should occur for the field.

验证参数确认表单域应该发生什么验证。

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This situation can occur for a number of reasons.

这种情况的出现有多个原因。

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The event may occur for several days both before and after the peak day, at roughly the same time each day.

该事件可能发生的数天之前和之后的高峰日在大致相同的时间，每一天。

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Another instance of this disease may not occur for several years If the patient has another relates, it will be all over with him.

这种病例几年后才会再次发生。如果患者的病再次复发，那他就完了。

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Valid uses of bad couplings also occur for performance reasons.

因为性能原因，有时也会需要使用坏的耦合。

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Results showed that flutter instabilities would not occur for the ITP with only one degree-of-freedom.

研究表明仅有竖弯自由度或扭转自由度的平板不可能发生单自由度颤振。

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In the situation of information asymmetry, as long as taxation exists, tax evasion would occur for the sake of taxpayers' own benefit.

只要存在税收，在征纳双方信息不对称的情况下，纳税人出于自身利益的考虑，就可能存在偷逃税问题。

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The same effect seemed to occur for weight loss, the investigators say.

研究人员称，体重减轻好像也会在朋友中传染。

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Additional customized processing can occur for dealing with special scenario, see the [ Other Considerations] at the end of the article.

特殊场景可能需要其他自定义处理过程，参见本文末尾的“其它问题”部分。

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This unraveling may not occur for a while, as easy money and excessive global liquidity can push asset prices higher for a while.

这种平仓行为可能暂时不会出现，因为廉价资金和全球流动性过剩可能会暂时推升资产价格。

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Nested transactions may occur for many reasons, for example if a service is intended to be used independently or as part of a larger transaction context.

嵌套事务出现的原因可能有许多，例如，如果打算将服务独立使用，或作为更大事务环境的一部分。

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Note that more than one event can occur for each tick.

注意每个tick中可以出现多个事件。

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It should be noted that the problem of time rollover often occur for timing service.

值得一提的是，授时系统工程中往往会遇到时间（时刻）跳变之类的问题。

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Does this issue occur for all users?

这个问题对所有用户都出现吗？

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'Thus for steel cannonballs, skipping can only occur for angles shallower than seven degrees.'

因此，对于钢制炮弹而言，只有投掷角度小于7时才有可能产生弹跳。

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