The fly ash slag-alkali concrete is characterized by taking one valence metallic compound as activator.
粉煤灰渣—碱混凝土的特点是以一价金属化合物为激发剂。
Promotion degradation mechanism of multi valence metallic organic compounds on PE under composting conditions is studied.
选择多价金属的有机化合物为降解剂，研究了其在模拟堆肥环境中对PE的促降解规律。
The magnesium oxide vapor-deposition material comprises metal oxide in which the valence of the metallic element (s) is any of 3, 4 and 5 in the range of 0.01 to 6 mol %.
它是含有0.01 ~6摩尔%范围的金属元素化合价为3价、4价或5价的任意一种的金属氧化物的氧化镁蒸镀材料。
The magnesium oxide vapor-deposition material comprises metal oxide in which the valence of the metallic element (s) is any of 3, 4 and 5 in the range of 0.01 to 6 mol %.
它是含有0.01 ~6摩尔%范围的金属元素化合价为3价、4价或5价的任意一种的金属氧化物的氧化镁蒸镀材料。
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