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- Combustion-hydrolysis/fluoride-ion selective electrode (ISE) method is the most accurate, precise and successful method for the determination of fluorine in coal. 根据电化学理论和实验研究首次全面、系统地研究影响该方法测定过程和结果的各种影响因素和影响关系,获得了最优的测定条件和较高的测量精度。
- PROGRESS IN THE STUDY OF FLUORINE IN COAL 煤中氟的研究进展
- distribution characteristics of fluorine in coal 煤中氟分布特征
- France has fallen behind (Germany) in coal production. 法国在产煤方面落後(於德国)了。
- STUDY ON ENVIRONMENTAL GEOCHEMICAL BEHAVIOR OF FLUORINE IN STONE COAL IN COAL BURNING-INDUCED ENDEM 燃煤型氟中毒区石煤氟的环境地球化学行为研究
- He bought in coal for the winter. 他购买了大量的煤过冬。
- Standard Test Method for Total Fluorine in Coal and Coke by hydrolytic Extraction and Ion Selective Electrode or Ion Chromatograph Methods 水解萃取和离子选择电极或离子色谱法对煤和焦碳总氟标准试验方法
- Canada used to be rich in coal deposits. 加拿大曾经盛产煤矿。
- This part of country is rich in coal. 这个地区盛产煤。
- Liaoning abounds in coal and iron. 辽宁盛产煤和铁。
- That area is rich in coal and oil. 那个地区盛产煤和石油。
- They bought in coal for the winter. 他们买了煤准备过冬。
- This region abounds (=is rich)in coal iron ore. 这个地区煤和铁石很丰富。
- Many ships stopped here to take in coal. 很多船只在这里停泊上煤。
- Township enterprises mainly in coal mining. 乡镇企业以开采煤炭为主。
- fluorine in coal 煤中氟
- Soil improved effect of vegetation restoration in Coal waste piles. 植被恢复下矸石山土壤改良效益研究。
- Experience of the application of CAD in coal mine design. 介绍了CAD在煤矿设计中的应用效果。
- A method for the determination of fluorine in tantalum and niobium production waste liquid by (superscript 19)F-NMR technology was developed. 摘要建立了一种核磁共振波谱测定钽、铌生产的废液中氟含量的方法。
- Method Measured the content of fluorine in the water and urine by F-ion selective electrode and diagnosed dental fluorosis of children by Dean method. 方法水氟和尿氟用氟离子选择电极法测定,儿童氟斑牙调查采用Dean法进行诊断。
