A large proportion of the fluorine is vaporized during the concentration process.在浓缩过程中大部份氟蒸出.The fluorine does not accumulate indefinitely in the water.氟不会在水里无限制地积累.If the fluorine content is high, it may increase plant...
A large proportion of the fluorine is vaporized during the concentration process.在浓缩过程中大部份氟蒸出.health effects of fluorine pollution氟污染对健康的影响If the fluorine content is high, it may increase plant corrosion.如果氟的含量高, 会加剧设备的腐...
Methods Immunohistochemistry was performed by using avidin - biotin peroxidase complex procedure.方法采用链霉素 抗 生物素蛋白生物素过氧化物酶免疫组织化学染色.In some cases anti - biotin antibodies are used in stead of avidin.在有些情况下, 抗 生物素抗体被用来替代亲和素的...
要估算出究竟多少高级职员参与了怠工是不可能的。It's impossible to assess how many officers are participating in the slowdown.很难将这些人简单地看作是装病怠工的员工。These people are difficult to write off as malingering employees.如果有人怠工，比尔就会严厉地加以斥责。If someone...