The partition coefficients of dissolved gases in transformer oil were determined using a phase ratio variation method and static headspace gas chromatography (GC).
采用改变相比/顶空气相色谱法测定了甲烷、乙炔、乙烯、乙烷和丙烷在变压器油中的分配常数。
A novel accurate and experimentally simple method has been developed to determine dimensionless partition coefficient and concentration of benzene in water using various phase ratios with the static headspace gas chromatographic method.
推导了改变气液相比/顶空气相色谱法测定水中苯的分配常数及其含量的基本关系式。
Based on the thermodynamical definition of column phase ratio and the stoichiometric displacement theory of solute for retention (SDT-R) in reversed phase liquid chromatography (RPLC), the effects of the properties of the stationary and mobile phases on the column phase ratio (log) in reversed phase liquid chromatography (RPLC) were investigated.
依据柱相比的热力学定义和反相液相色谱中溶质的计量置换保留理论 (thestoichiometricdisplacementtheoryofsoluteforretention ,SDT R) ,对反相液相色谱中固定相和流动相性质、温度对柱相比的影响进行了研究。
It is theoretically elucidated that a new definition of column phase ratio (the value of k ′ when the Gibbs free energy of solute equals to zero during stoichiometric displacement process) is related to the characters of solute, mobile, stationary phase and temperature in reversed phase high performance liquid chromatography.
从理论上阐明了热力学观点所定义的柱相比 (即溶质的保留自由能变为零时的k′值 )与溶质种类、柱温、固定相以及溶剂种类的依赖关系。
This article analyzes and researches phase proportion and corrosion resistance of weld joint under the welding process of gas tungsten-arc welding(GTAW),and provides guidance to field welding of 00Cr22Ni5Mo3N.
采用气体保护钨极氩弧焊(GTAW),通过调整焊接工艺,分析研究该工艺下焊接接头的相比例及耐腐蚀性能,为00Cr22Ni5Mo3N双相不锈钢的现场焊接提供指导。
The results indicate that keeping t12/8 constant and changing t8/5, the simulated HAZ microstructure and phase proportion almost keep same.
结果表明,固定t12/8,改变t8/5,2205双相不锈钢模拟HAZ的组织形态和相比例相差不大,用t8/5作为参数研究这种材料HAZ组织转变行为是不恰当的;固定t8/5,改变t12/8,2205双相不锈钢模拟HAZ的组织形态和相比例变化比较大,t12/8是影响这种材料HAZ组织的本质因素,用它来研究对2205双相不锈钢HAZ组织的影响更为确切。
The centrifugal extraction procedure with large phase ratio was applied to sample micropreparation prior to instrumental analysis.
建立了一种快速、准确,溶剂消耗少的测定可乐饮料中咖啡因含量的紫外光谱分析方法,并将大相比离心萃取应用于仪器分析样品微制备过程。
Make an experiment on 00Cr25Ni6Mo2N duplex stainless steel,like the relation between heating temperature and critical deformability,heating temperature and two-phase proportion,heat torsion test, hot piercing test and so on,obtain the hot piercing optimal process.
通过对双相不锈钢管00Cr25Ni6Mo2N的加热温度与临界变形量关系的试验,加热温度与双相比关系的试验,双相不锈钢热扭转试验,以及通过大量的热穿孔试验及分析研究得出该钢种最佳的热穿孔加工工艺。