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1)  high metamorphosed anthracites
高变质无烟煤
1.
Using black liquor of paper pulp plant as catalyst,the steam gasification of high metamorphosed anthracites was investi- gated by isothermal thermo-gravimetric analysis under ambient pressure.
以纸浆黑液为催化剂,用热天平的等温法研究高变质无烟煤常压纯水蒸气催化气化反应。
2.
Using black liquor(BL) of paper pulp plant as catalyst,the steam gasification kinetics of four high metamorphosed anthracites were investigated by isothermal thermo-gravimetric analysis under ambient pressure.
以纸浆黑液为催化剂,用等温热重法研究4种高变质无烟煤常压纯水蒸气催化气化反应动力学。
2)  high metamorphosed anthracites
高变质程度无烟煤
1.
Catalytic gasification kinetics of high metamorphosed anthracites by steam in thermogravity(Ⅰ) With sodium carbonate as catalyst;
高变质程度无烟煤热天平水蒸气催化气化动力学(Ⅰ)碳酸钠催化剂
3)  high quality anthracite
优质无烟煤
1.
Research on comprehensive utilization of high quality anthracite in Guxu Mining Area;
古叙矿区优质无烟煤综合利用研究
4)  low-quality anthracite
低质无烟煤
1.
Adjustment on combustion of low-quality anthracite;
浅谈低质无烟煤的燃烧调整
5)  lambskin [英]['læmskin]  [美]['læm,skɪn]
劣质无烟煤
6)  cutinic anthracite
角质无烟煤
补充资料:无烟溶解
分子式:
CAS号:

性质:在用硝酸溶解金属铀过程中会产生大量氮氧化合物,用冷凝方法,特别采用倒流冷凝器回收硝酸。在倒流冷凝器中,气体和冷凝的硝酸沿壁并流而下,有利于吸收氮氧化物。硝酸的回收主要受一氧化氮吸收速率限制,加入空气或氧气,使一氧化氮氧化成二氧化氮,有利于吸收。在溶解时加入空气或氧抑制氮氧化物产生,这种溶解称为无烟溶解。理论上讲可以完全不产生氮氧化物,实际上仍产生少量一氧化氮和氮气,总反应为U+2.1HNO3+1.375O2→UO2(NO3)2+0.05NO+1.05H2O

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