Experiments were carried out in Great Britain and American on the impregnation of wood with vegetable tars and extracts.

在大不列顛和美州就進行過用植物焦油和提取物來浸漬木材的試驗在线观看日韩黄片。

Mineral matters can catalyze desulfurization reactions of uneasily decomposed sulfur in coal, and change the constitute of PASH in tars.

煤中的礦物質(zhì)可以催化半焦中難分解有機硫的加氫脫除一级黄片录像。

The results suggest that more sulfur is removed in hydropyrolysis than in pyrolysis as H〓S form. Hydropyrolysis can improve hydrodesulfurization reactions of PASH in tars.

結(jié)果表明：加氫熱解比熱解更有利于煤中硫的以H〓S的形式脫除，以及焦油中PASH的分解脫除国产人成网站18禁止免费网站。

The experiments also show that adding NaHSO3 into the reaction liquid of hydroxylation reaction can inhibit the catalytic effect of benzoquinone and residual catalyst on the phenolic tars formation caused by oxo-condensation of the diphenols and therefore reduce the tars formation of the diphenols in the reaction solution.

在羥基化反應(yīng)液中加入亞硫酸氫鈉可以抑制對苯醌和殘留催化劑對苯二酚氧化縮合生成焦油的催化作用精品亚洲福利在观看，從而減少了反應(yīng)液中苯二酚的生焦反應(yīng)。

Steam jacketed valves are available to handle highly viscous media such as tars and pitches.

可提供蒸汽套閥門來處理高粘性流體介質(zhì)欧美zoo交，如焦油和瀝青韩国乱伦A片。

If you shed tears when you miss the sun, you also miss the s tars.

如果你因失去了太陽而流淚狼友视频网，那么你也將失去群星了。

No person deservers your tars,and who deservers them won't make you cry.

沒有人值得你流淚淫淫色色视频，值得你流淚的人是不會圣誕卡你哭的欧美亚洲两性。

This tars me with the same brush as anyone else who wore it.

身上有這個的我，和其他同樣有這個印記的人是一樣欧美a级裸体电影。

" God whispered,"I, but the tars of the man were stopped.

& 上帝低語道：&我18p影院av。可這人沒有去聽亚洲网站在线播放。

Then the carbonized material is activated by heating it in the presence of air, CO2, or steam to burn off any tars it has and to increase its pore size.

然后炭化材料激活加熱后的空氣一级A片在线看无码免费、二氧化碳、或蒸汽燃燒掉任何tars已經(jīng)和增加其孔徑日韩在线精品福利网站视频。