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...
Jacob Sinclair met his death at the hands of a soldier.雅各布·辛克莱在一名士兵的手里送了命。Rachel was going to do something about Jacob.蕾切尔将对雅各布有所行动。Almighty God / God Almighty appeared to Jacob in the land of Canaan.全能之神在迦南福地对雅各显灵....
因为喉部感染,我在服用抗菌素.I'm taking antibiotics for a throat infection.抗菌素含量不高,被确认为对人类无害.The low levels of antibiotics are not considered harmful to humans.科学家认为,过度接触抗菌素使有抗药性的细菌的传播更广泛.Scientists believe overexposure to antibi...