任选的是, 可用加氢催化剂将纯化的二聚异丁烯加氢生成异辛烷.Optionally, the purified diisobutylene may be hydrogenated to isooctane hydrogenation catalyst.应用正碳离子聚合的方法合成新型聚异丁烯遥爪预聚物.The new telechelic prepolymers of polyisobutylene have been synthesize...
This afternoon the Palestinians held an impromptu press conference.今天下午巴勒斯坦方面临时召开了记者招待会。They demand self - autonomy for the Palestinians.巴勒斯坦人民要求 自治.Shelling a short time later killed two more Palestinians.不久之后,又有炮火击毙了两名...
...searching with infrared scanners for weapons and artillery.用红外扫描仪搜索武器与大炮It gleans information through infrared sensing units . It is controlled by PLC system.它是通过光电传感器来采集信息再由PLC控制系统来实现控制的.Site - specific infrared dich...
At very high intensities, nuclear radiations cause itching and tingling of the skin.当核辐射强度很高时, 它能使皮肤感到发痒和刺痛.They ask again and again in a variety of ways and intensities.他们会以不同的方式和强度来不停地问,直到他得到自己想要的答案为止.The intensities w...
Intensity of radio signal also had this variation between in diastole and in systole.离体心脏的心肌射频信号强度收缩期和舒张期之间也存在这种差异.The length in the diastole was bigger than that in the systole.在舒张期其可视长度比收缩期长.Longitudinal displacement m...
These granules consist of the actual pigments: eumelanin and phaeomelanin.正是这些小颗粒组成了二种色素: 真黑素和棕黑素.Tricolour can be found with all eumelanin colours.三色中具有所有带黑色素的颜色....
He crunched his cookies and slurped his tea.他嘎吱嘎吱地咬着饼干,咕噜咕噜地喝茶.Cold tea is very soothing for burns.凉的茶水非常有助于减轻烧伤灼痛。...if you're a heavy coffee drinker or strong-tea fiend.如果你喝浓咖啡，或是喝浓茶成瘾Would you like some tea befor...