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...
In heavy concentrations, ozone is irritating to the eyes, nose and throat.高浓度的臭氧会对眼睛、鼻子和咽喉有刺激作用。Large concentrations of capital were in the hands of merchants.大量资本集中在商人手里.The latest data showed that global ozone concentr...
His abrasive wit and caustic comments were an interviewer's nightmare.他睿智刁钻，评论尖刻，对任何采访他的人而言都是梦魇。Women sometimes damage their skin by going overboard with abrasive cleansers.女性有时因过度使用磨砂膏而损伤了皮肤。Pamela was unrepentant ...
She has epilepsy.她患有癫痫。He couldn't take that job at the zoo because of his epilepsy.他因患有癫痫而无法接受动物园的那份工作.People with epilepsy and similar diseases can take pills to stabilize their condition.癫痫病和类似疾病患者可吃药丸稳定病情....