Transitional metal complexes of pyromellitic acid were synthesized by homogeneous precipitation method, and characterized by TG, element analysis and FTIR.
用均匀沉淀法合成了均苯四甲酸过渡金属配合物。
Moreover, multivariate linear models have been established between each element content and the characteristics factors of precipitation in throughfall, stem-flow, stream.
且建立了穿透水、干流和总径流的各化学元素含量与降雨特征因子的多元线性关系。
The forecasting of meteorological element fields and precipitation is improved by use of the adjusted initial field.
使用调整后的初始场对降水及其它物理量场的预报均有所改善。
The forecasting of meteorological element fields and precipitation is improved by use of the adjusted initial field.
使用调整后的初始场对降水及其它物理量场的预报均有所改善。
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