reversible change

The change in the enamels is a chemical change which hardens the film and is non-reversible.

瓷釉中的变化是化学变化,这种变化使漆层硬化且不可逆转.

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A new reversible colour-change system composed of a chlorine-containing polymer and dimethyl yellow dye is reported and this colour-change mechanism is discussed.

本文报告一种由含氯高聚物和二甲基黄染料组成的激光可逆变色体系，并讨论了它的变色机理。

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Studies found that DNA methylation is a reversible change, reverse gene promoter region methylation can make silence gene expression again, this is new targets for the treatment of hematologic malignancies.

研究发现DNA甲基化是可逆的改变，逆转基因启动子区的甲基化能够使沉默基因重新表达，成为恶性血液病治疗的新靶点。

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Therefore, the organotin compounds can cause the accumulation poison to halobios mentioned above or the terrible reversible change of procreation even at very low concentration of TBT and TPT.

因此，在浓度很低的情况下就能引起上述海洋生物累积性中毒或引起可怕的生殖逆向性变化。

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Phase-change random access memory ( PCM) records and erases data by utilizing the thermal effect of the pulse current to make SET or RESET operation in its recording layer with a reversible phase-change structure of giant differential resistance between two phases.

相变存储器是利用脉冲电流的热效应使其记录层发生具有巨大阻值差异的可逆结构相变来记录和擦除数据。

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In this paper, the present research status of reversible thermochromism materials and its tendency of development are reviewed. The composition, specific properties, colour change mechanism and application of reversible thermochromism materials have been introduced.

本文就可逆热致变色材料的研究现状和发展趋势进行概述，重点介绍了可逆热致变色材料的组成、特性、变色机理及其应用。

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