In this paper, the two-photon autoionization involving second-order ionization process under strong laser field is investigated.

研究了包括二阶化过程的强激光场下的双光自。

The triphenylamine azo compounds were successfully characterized by matrix-assisted laser desorption-ionization time of flight mass spectrometry(MALDI-TOF MS).

利用基质辅助激光解吸行时间质谱法分析三苯胺偶氮化合物。

Tetrachloroethane in air was collected by activated carbon,desorped with carbon disulfide,separated by GDX-103 chromatography column,and detected by flame ionization detector.

空气中四氯乙烷用活性炭管采集,二硫化碳解吸,经GDX-103色谱柱分,氢火焰化检测器检测。

Objective To evaluate hemostasia effect of the combination of non-ionization soluble styptic gauze and venom haemocoagulase in operation bleeding and wound errhysis.

目的评价非化可溶性止血纱布与蛇毒血凝酶联合应用对手术出血及创面渗血的止血效果。

Desorption chemical ionization mass spectrometry of twelve metallohematoporphyrin complexes has been investigated under DEP condition using mixture of tetramethylsilane and methane as regent gas.

四甲基硅烷／甲烷混合反应气，采用DEP技术，测定12个金属血卟啉络合物的解吸化学质谱。

Acid intensity of hydrosulfuric acid and stepwise ionization balance were discussed by the use of thermodynamic principle, which are helpful to inorganic chemistry teaching.

摘要应用热学原理对氢硫酸的强度及逐级平衡进行了讨论，有助于无机化学教学和学生学习。

Uranium isotope abundance ratio has been measured by total sample evaporation and signal integration,and a thermal surface ionization mass sepctrometry equipped with multicollector has been used.

采用全蒸发技术、流强度积分的方式,用多接收器热表面质谱计测量铀同位素丰度。

The Air Kerma Rate of 125I sources is determined by the well-type ionization chamber.Thereafter the apparent activity of 125I sources is calculated and measured results are anylyzed.

采用井型室测定125I粒源的空气比释动能率，进而估算出125I粒源的表观活度（又称等效活度），并对结果进行了分析。