Barium is found in some oilfield brines in concentrations greater than 100 mg / litre.在有些油田卤水中,钡的浓度大于100毫克/升.At lower concentrations they may even be stimulants of cell division.在浓度较低时,它们甚至能促进细胞分裂.Methods Three different...
法国各家公司都获利丰厚。The French companies are registering stellar profits.为获利从动物体内提取胰岛素。Insulin is produced commercially from animals.我们不能保证你会获利.We can't undertake that you will make a profit....