常見例句雙語例句Optical rotation of solutions should be determined within 30 minutes of preparation.溶液的旋光度應(yīng)該在溶液配制好30分鐘內(nèi)進(jìn)行測定。bbs.instrument.com.cnTheir rotatory direction and optical rotation are determined by the molecular stereostructure.它們的旋光方向和旋光度大小都是由其分子的立體結(jié)構(gòu)所決定。On the basis of helix theory, the rotatory direction can be predicted precisely and the optical rotation can be calculated, too.利用螺旋理論的規(guī)律可以準(zhǔn)確預(yù)測其旋光方向，也可以計(jì)算其旋光度。 返回 optical rotation