由脂肪醇、甲胺一步催化法制取烷基二甲基胺.Alkyl dimethylamine is made from fatly alcohol and dimethyla - mine by one stage catalysis.二手甲胺回收装置和工艺, 成套甲胺装置和工艺可以在世界各地重新安装.Used Methylamines Plant and Process, complete Methylamines Plant and Proce...
However, heating energizes the vibrational, rotational, and electronic motions all at once.但是, 加热会一下子把振动 、 转动和电子运动统统加强.The same conversation that energizes the extravert also drains the introvert.同样的交谈能让外向者荣光焕发,却让内向者精神颓靡...
The writer's deb ut novel was an instant Success.这位作家的首部长篇小说很快就获得了巨大的成功.Silylation, P modification and MgO modification can improve p - DEB selectivity greatly.MgO改性提高对二乙苯选择性最为明显.In the end, everything turned out OK...
Add finely chopped parsley.加入切碎的欧芹。Combine the beans, chopped mint and olive oil in a large bowl.将菜豆、切碎的薄荷和橄榄油放在大碗里搅拌。Heat a couple of tablespoons of olive oil, a chopped clove of garlic and some black pepper in a heavy ...
Gorals seldom feed on Pinus koraiensis, Picea jezoensis, Abies nephralepis ( 1 %, 0.7 % and 1.7 % , respectively ).斑羚在冬季食红松 、 云杉 、 冷杉较少 ( 1% 、 0.7%、1.7% ).The rotten degree of fir trees is an important sign of quality of...
把衣服沿肩线折向前面,检查衣领(领圈)后面.Fold garment forward at shoulders and inspect back neck.这件女衬衫领圈和袖口做得很花哨.The blouse is decoratively bordered at neck and sleeves.肩缝和领圈线.Shoulder seams and necklines....
She was already a keen and experienced sailor, having crewed in both Merlin and Grayling.在“默林”号和“格雷林”号上工作过以后，她已经是一名头脑敏捷、经验丰富的水手了。Fishing for grayling in Norwegian lakes has caused a similar pattern in these fish.在挪威捕河鳟也导...
A water vole swam vigorously upstream.一只水鼠奋力向上游游去.Clean - cultivation reduces vole survival and reproduction.无覆盖耕作可减少田鼠的存活和繁殖.The two vole species are not abundance than 99 % alike, genetically.如就基因而言,这两个物种超过99%的部份绝无二致....