相发生变化时,焓也发生变化.A change in enthalpy also takes place when a change of phase occurs.本文将给出水溶液中离子的绝对标准生成焓.In this paper, the ionic absolute standard heat of formation is gotten.节流过程焓不变.The enthalpy is constant in the throttl...
光线用棱镜 、 光栅或干涉仪分解.The light is resolved by prisms, gratings, or by an interferometer.光栅摄谱仪有两种类型.The grating spectrograph is built in two designs.光栅由金属或丝制造.The grating are made of rods or wire....
我们迄今还未将电子自旋的效应考虑在内.So far we have not included the effects of electron spin.我们引入电子自旋的标记如下.We introduce labels for the spin of electron as follows.通过环氧化和氧化就得到外消旋的含十八个碳的昆虫返动激素.Epoxidation and oxidation gave the racemic C 1...
Modelling yourself on someone you admire is not the same as aping all they say or do.以偶像为榜样并不是说要模仿他们的一言一行。He is good at aping the great minds'voices and gestures.他擅长模仿大人物的声音和手势....
Gifts from enemies are dangerous.敌人礼,藏危险。Clerk : Well , Canadian Gifts is on the lower level. It's across from Prime Time Video Rentals.噢, 礼品店在楼下, 在黄金时刻录像出租屋的对面.There are wide assortments of gifts to choose from.那儿有...