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在容量分析中能显示终点的分析试剂。
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一类能因某化合物的存在或介质特性(如酸碱性、氧化还原电位等)的改变而变换自身颜色等的化学试剂。滴定分析中指示剂能在滴定反应的化学计量点附近产生颜色、沉淀等可察觉变化,从而指示滴定终点。
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the combination of agricultural machinery and agronomy
the combination of a RH controlling system and a vacuum fourier transform infrared (FTIR) spectrometer
the combinatorial nullstellensatz
The Combustion Institute
the combustion phase
The Coming Crisis of Western Sociology
The Coming of Post-Industrial Society
The Coming Race
The Coming Spring
the Command
The Commander of Refugees known as Liuzhou in lately Northern Wei Dynasty
The Commander of the Provincial Military Organization in Northern Wei Dynasty
The commentaries on the Tipiṭaka
The Commercial Press
The Commission on Human Rights of the United Nations
The Commission on Narcotic Drugs
The Committee for Inland Fisheries and Aquaculture of Africa
The Committee of Chinese Cultural Industries Management
The Committee on Energy Research and Technology
the common criteria for information technology security evaluation
The Common Reader
the commons
the common school movement
The Communist Party of China Inner Party Supervision Regulations
the compatibility of land use purposes
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更新时间:2025/11/29 15:26:12