The isocyanates can be obtained by the fluorination of nitrogenous cylic or acyclic molecules.异氰酸酯可由含氯的环(或非环)状分子氟化而得.A heavy - duty magnetic stirrer , such as Cole - Parmer model is needed during the fluorination.在氟化过程中需...
Reactor embodiments for the fluorination reactions are also disclosed.还公开了氟化反应反应器的具体实施方式.Low cost 3, 4 - difluoro nitrobenzene was prepared from 2, 4 - dinitrochlorobenzene by two - step fluorination.二硝基氯苯经二步氟化反应,制得低成本3,...
The recent rain had churned up the waterfall into a muddy whirlpool.最近的一场雨把瀑布搅成了泥水漩涡。Look at the plebs! Getting all muddy! Haw haw haw!看看这些乡巴佬儿！满身污泥！嚯嚯嚯！The men had to slog up a steep muddy incline.人们只得在陡峭而泥泞的斜坡上艰难地行进。...
几十个赤足的顽童从河边成群结队而来.Some dozen barefooted urchins ganged in from the riverside.你应该躲避这顽童.You should sheer off the urchin.他是个非常调皮的顽童.He is a most wicked urchin....
让人联想起大海和船只的氛围an atmosphere redolent of the sea and ships我一闻到这种花香,就联想起我的童年.I always associate the smell of those flowers with my childhood.在孩子的心里,医生总是使他联想到打针与疼痛.The doctor was associated in the child's mind with inje...
Petrochemical industry ready to adjust text of the revitalization planning.石化产业调整振兴规划全文呼之欲出.The article introduces the application status of MMT antiknock additive in Jinxi Petrochemical Company.介绍了MMT抗爆剂在中国石油锦西石化公司的使用情况...
捏合馅饼时，要弄湿两张饼皮粘连的地方。When assembling the pie, wet the edges where the two crusts join.用刀子绕馅饼边沿刻小锯齿。Using a knife, make slight indentations around the edges of the pastry.她把烤箱加热，准备把馅饼放进去。She lit the oven, preparatory to put...
He succeeded in propelling the ball across the line.他成功地把球带过线。Defects -- Cowhocks, or straight hocks. Lack of muscle and propelling power.牛肢, 飞节太直, 缺乏肌肉和推动力.A propelling pencil with break - resistant 0.7 - mm lead for se...