目的建立适用于同时测定常用溶剂型胶粘剂中苯、甲苯、二甲苯含量的气相色谱分析方法。
Objective To establish a gas chromatography method which will be suitable for determination of one time of the benzene, toluene, dimethylbenzene in the adhesives.
实验结果表明，反应压力、反应时间、原料气中乙烯含量对共聚物中的乙烯含量、二甲苯可溶物含量有显著影响；
Regression results showed that reaction time, pressure and composition of feed gas had marked effects on mass fraction of xylene soluble part and ethylene content in copolymer.
方法取ab- 8树脂分别经乙醇、丙酮处理前后的浸出液及经树脂吸附后的栀子洗脱液，以气相色谱法检测其中苯、甲苯、二甲苯、苯乙烯残留物的含量。
METHOD AB 8 resin was treated with alcohol and propanone and the extract was detected for the content of the residues of benzene, methylbenzene, xylene and styrene.
然后将软测量模型应用于工业异构化装置，在线估计对二甲苯（PX）的含量。
The model was then applied to an industrial isomerization unit for on-line estimation of the para-xylene (PX) concentration.
目的：研究一个能同时测定空气中苯、甲苯、二甲苯、乙酸乙酯、乙酸丁酯等有机毒物的检测方法，用以对新装修旅店客房有机毒物含量分析。
Result:Organic poisons such as benzene, xylene, methylbenzene, ethyl acetate and butyl acetate could be separated effectively by column FFAP, the ralative standard deviation of the method was 1.
目的：用高效液相色谱法测定聚对二甲苯覆膜胶塞中残留二聚对二甲苯的含量。
Objective:To determine residual di-paraxylylene in parylene film coated rubber closure by HPLC.
以混胺样品为研究对象，研究环境温、湿度对混胺中二甲苯胺等成分含量近红外定量分析模型的预测能力的影响。
The influence of ambient temperature and humidity on a NIR spectroscopy analysis model was researched for xylidine content in mixed amine.
以混胺样品为研究对象，研究环境温、湿度对混胺中二甲苯胺等成分含量近红外定量分析模型的预测能力的影响。
The influence of ambient temperature and humidity on a NIR spectroscopy analysis model was researched for xylidine content in mixed amine.
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