ashcontent相关论文
Preparation of activated carbon with low ash content and high specific surface area from coal in the
An activated carbon with ash content less than 10% and specific surface area more than 1 600 m2/g was prepared from coal......
Carbon isotope discrimination (△) has been proposed as indirect selection criterion for transpiration efficiency and gr......
Relationship between Carbon Isotope Discrimination,Mineral Content,and Gas Exchange Parameters in Ve
Carbon isotope discrimination ((~)) has been proposed as an indirect selection criterion for transpiration efficienc......
在春季对福建省靖县虎伯寮亚热带雨林的竹类植物叶的灰分含量，干重热值和灰分热值进行了研究。结果表明：①竹类值物叶的灰分含量大小......
讨论了两种测量纸张灰份的方法，一种是Ｘ射线透射法，直接测量成纸灰份；另一种是微光透射法，间接测量网前箱与白水中的填料浓度以及填料留......
