Tuesday, November 28, 2023
Saturday, October 29, 2022
Friday, February 16, 2024
Wednesday, May 15, 2024
色谱法分析粗煤气中CH4、C02、CO、N2,等气体时,需用()...
Tuesday, September 13, 2022
Tuesday, November 28, 2023
用冷的金属光亮表面对着FID出口,如有水珠冷凝在表面,表示FID已点火。()...
Friday, February 2, 2024
Monday, November 6, 2023
气相色谱实验过程中,流量计指示的流量突然加大,主要原因可能是:()A、进样的胶垫被扎漏B、稳压阀漏气C、检测器接口漏气D、钢瓶漏气...
Tuesday, July 4, 2023
Sunday, June 25, 2023
Friday, August 25, 2023
我们科室所使用安捷伦仪器的型号为()、()、()、()。...
Saturday, October 29, 2022
Saturday, September 10, 2022
色谱法分析净化气中微量H2S,COS气体时,需用()检测器检测。...
Tuesday, September 13, 2022
Tuesday, September 13, 2022
Friday, August 25, 2023
程序升温色谱法主要是通过选择适当温度,而获得良好的分离和良好的峰...
Sunday, September 11, 2022
Thursday, December 21, 2023
Sunday, June 25, 2023
Tuesday, September 13, 2022