This article described the determination of hydrogen in steel, copper, niobium, tantalum and titanium with ceramic crucible by high frequency induction-thermal conductivity method.
介绍了采用陶瓷坩埚用高频加热-热导法测定钢铁、铜、铌、钽、钛中的氢。
2
Carboxyl groups content of various pulp suspension were determined by conductivity titration method, detailed investigation was carried out, some points for attention in determination were suggested.
采用电导滴定法测定了不同浆种的羧基含量，并提出了测定过程中需要注意的事项。
3
By conductivity we can evaluate the determination of renal function of concentration and dilution.