自制的高熔点物料气相浓度调控仪能很好地调控气相中均四甲苯的浓度，具有推广应用价值。
The vapor phase concentration of durene could be adjusted by the self - made adjustor .
低溴取代的PBDE在气相浓度与颗粒相分配的比值与温度的相关性高，但高溴类化合物的这种趋势并不明显。
The ratios of gas to particle were temperature-related for low-bromine compounds, but for high bromine compounds, this trend is not obvious.
利用常规的滴定分析方法测定了电解液中各种离子的浓度，并利用气相色谱测定了电解气中的氧气纯度(体积分数)。
T he concentrations of ions in electrolyte were measured by normal analysis method, and the content of oxygen in electrolysis gas was measured by gas chromatography.
应用推荐