The results showed that the urea malic acid treatment can significantly reduce the tar content in smoke smog by 16.9% based on the control treatment.
结果表明，苹果酸脲处理能明显减少烟气中焦油含量，减少量占对照处理的16.9%。
A new syntan product prepared with tar phenol and lignin sulfonic acid.
以工业副产物木素磺酸和焦油酚为主要原料研制出一种新的合成鞣剂。
The results indicate that acid and alkali catalysts can increase the tar cracking reaction speed and reduce the activation energy due to the activated center.
结果表明，酸性和碱性催化剂由于活性中心的存在，加快了反应速度和降低了反应活化能。
Medicated shampoos will help, including zine pyrithione or selenium sulphide, and even stronger shampoos containing tar or salicylic acid.
药物洗发精会有些帮助，如含有锌的硫化铁矿物质或含有硒的硫化物，甚至含有焦油和水杨酸的强力洗发精。
We develop the new process and apply to produce. This has achieved the goal of recovery and utilization of acid tar and pollution control.
通过开发酸焦油配煤生产工艺，并应用于生产实践，达到了回收利用和控制污染的目的。
A new syntan product was prepared with tar phenol and lignin sulfonic acid.
以工业副产物木素磺酸和焦油酚为主要原料研制出一种新的合成鞣剂。
Effect of urea malic acid on the content of tar in smoke smog and the quality of raw tobacco leaf was studied by gas spectrum and common analysis methods.
用气相色谱及常规分析方法，研究了苹果酸脲对烟气中焦油含量及原烟品质的影响。
Compared with sulfuric acid process, under the premise of ensuring pure benzene quality, the pollution of tar acid and waste water contained with acid on environment can be eliminated.
与硫酸法相比，在保证纯苯质量的前提下，可消除酸焦油和含酸废水对环境的污染。
After still separation, aggregation condensation by heating and extraction, the regenerative acid will turn into diluted H2SO4 of 60%, pink transparent, and acid tar.
对再生酸经过静止分离、加热聚合浓缩、萃取等工艺净化处理后，可得到粉红色透明酸度为60%的稀硫酸和酸焦油。
To discuss the treatment of reclaimed acid, the treatment of acid tar and recovery of benzene oil-gas.
并对再生酸、酸焦油的处理及苯油气回收进行了探讨。
This product is dark brown liquid. Have the acetic acid and coal tar.
本品为深褐色液体；有醋酸及煤焦油的特臭。
The amino acid humectant also can improve the color and the smell of the tobacco, improve the quality of the tobacco, and have a certain tar-reducing function.
同时可以改善卷烟的色香味，提高香烟的品质，并具有一定的降焦作用。
The amino acid humectant also can improve the color and the smell of the tobacco, improve the quality of the tobacco, and have a certain tar-reducing function.
同时可以改善卷烟的色香味，提高香烟的品质，并具有一定的降焦作用。
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