There are currently two main chemical conversion methods for reducing benzene content - the hydrogenation saturation method and the alkylation method.
目前，化学转化法降苯技术主要有加氢饱和降苯和烷基化降苯两种。
The effects of the three dewaxing solvents, including low benzene content, medium benzene content and no benzene, were compared by test data. The advantages of MIBK solvent was demonstrated.
并以试验室数据，对低苯量、中苯量、无苯三种脱蜡溶剂的脱蜡效果进行比较，论证了MIBK溶剂的优越性。
GB for the benzene thiophene content requirements are clearly defined.
国标中对于苯中噻吩含量要求有明确的规定。
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.
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。
Due to the limitation of the traditional pickling process, the sulfur content of coking benzene is high, and its market competitiveness is difficult to match that of petroleum benzene.
由于传统酸洗精制工艺的限制，焦化纯苯的含硫量高，其市场竞争力难以与石油苯相匹敌。
The dipping solution (DS) of nylon-66 cord fabric contains latex, resorcinol, formaldehyde, ammonia, ethene and butyl benzene. The COD content and turbidity in DS wastewater are very high.
锦纶66帘子布浸胶液含有大量的天然胶乳、间苯二酚、甲醛、氨、乙烯、丁苯等有毒有害物质，其生产废水中COD和浊度特别高。
Discussed the inaccurate analysis of content of the benzene in the gas caused by inacurate sampling connection, correction factor, exhales and and alysis time and gives the improvement measures.
从采样针筒接口、校正系数、放散和分析时间等方面探讨了煤气含苯分析不准确的原因及改进措施，从而提高了煤气含苯分析的准确度。
At the same time due to the improvement of environmental quality requirements, the world for coking benzene sulfur content limits become more stringent.
同时由于对环境质量要求的提高，世界各国对于焦化苯中硫含量的限制也变的越来越严格。
For benzene hydrogenation reaction, the platinum catalyst's activities fall along with the increase of sulfur content and runtime.
结果表明，对苯加氢反应而言，铂催化剂的活性随原料气中硫含量和运行时间的增加而呈下降趋势。
In addition, colorful paint contains benzene is more also, mercury, lead, cadmium and other harmful substances content is also many, should minimize the use of paints.
此外，色彩鲜艳的漆料里所含的苯也较多，汞、铅、镉等有害物质的含量也不少，应尽量少用色漆。
In addition, colorful paint contains benzene is more also, mercury, lead, cadmium and other harmful substances content is also many, should minimize the use of paints.
此外，色彩鲜艳的漆料里所含的苯也较多，汞、铅、镉等有害物质的含量也不少，应尽量少用色漆。
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