Constituent of tartar sauce and many chutneys.是塔塔酱与酸辣酱的主要成分.Dextrorotary ammonium tartrate can be prepared from by product tartar produced in grape wine factory.酒石酸氢铵和氨水反应并经脱色、脱水可制得最终产品右旋酒石酸铵.The crunchy kibbles help gen...
By measuring the motion of the galaxies in a cluster, astronomers can infer the cluster's mass.通过测量星系在一个星系团内的运动,天文学家们可以推定这个星系团的质量。They turned their telescopes towards other nearby galaxies...他们把望远镜转向附近其他星系。Space fli...
It allows nicotine to diffuse slowly and steadily into the bloodstream.它能使尼古丁平稳缓慢地渗透到血液里。Once in the bloodstream, the bacteria adhere to the surface of the red cells.细菌一进入血液里，就附着在红细胞表面上。They injected the drug directly in...