介绍了吩噻嗪的制备方法, 主要是二苯胺与硫在催化剂存在下反应的方法.Its preparation method, which mainly reacted by diphenyl amine and sulfur with catalyst, is introduced.本文报道了两种新的吩噻嗪衍生物的合成, 光学及其电化学性质.The synthesis, luminescence and electrochemical prope...
克莱德即刻身子一挺, 好象服了一帖清凉剂似的.At once Clyde straightened up, as though dashed with cold water.采购产品厕所垫, 汽车垫, 空气清凉剂, 芬芳油, 化学的家庭清洁地毯, 毯子, 垫和棉花地毯.Toilet Mat, Car Mat, Air Freshener, Fragrance Oil, Chemical Household Cleaning Carpet...
The electricity company disconnected our supply for non - payment of a bill.电力公司因我们有一笔账没付而切断了我们的电.Make sure plugs are disconnected from the mains...确保插头与电源断开。She dislikes the disconnected ramblings of the old man.她讨厌那老人东...
They would have to offer cast-iron guarantees to invest in long-term projects.他们需提供绝对可靠的担保，才能投资长期项目。Made from cast iron, it is finished in graphite enamel.它是用铸铁制成，最后在外面搪了一层石墨。Cast iron cannot compare with steel in streng...