重水
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1.指(zhǐ )含(hán )矿(kuàng )物(wù )质(zhì )多(duō )的(de )水(shuǐ )。
《吕(lǚ )氏(shì )春(chūn )秋(qiū )·尽(jìn )数(shù )》:“轻(qīng )水(shuǐ )所(suǒ )多(duō )秃(tū )与(yǔ )瘿(yǐng )人(rén );重(zhòng )水(shuǐ )所(suǒ )多(duō )尰(zhǒng )与(yǔ )躄(bì )人(rén )。”
2.重(zhòng )氢(qīng )和(hé )氧(yǎng )的(de )化(huà )合(hé )物(wù )。无(wú )色(sè )、无(wú )臭(chòu )、无(wú )味(wèi )的(de )液(yè )体(tǐ )。原(yuán )子(zǐ )能(néng )工(gōng )业(yè )中(zhōng )用(yòng )作(zuò )减(jiǎn )速(sù )剂(jì ),也(yě )是(shì )製(zhì )取(qǔ )重(zhòng )氢(qīng )的(de )原(yuán )料(liào )。
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