if the body did not regenerate the hco3- lost in buffering the non-volatile acids, the entire buffer capacity would be used up in abort 6 days (assuming a normal rate of acid production).
如果机体不能生成由于中和非挥发性酸而丢失的hco3-,那么机体的整个缓沖容量将在6天内被耗尽(假设在正常的产酸速度下)。
hydrogen energy is an ideal alternative fuel when petroleum of the earth will be used up in the next century.
当下个世纪地球上石油资源枯竭时,氢能是一种理想的代替燃料。
petroleum will be used up in future, fuel cell will become the major power supplier for transportation in future for its high efficiency and cleanliness.
石油燃料在几十年内逐渐耗尽,而燃料电池以其高效、清洁的特点将会成为未来交通的推动力。
the charge to an expense account is based on the assumption that the benefits from the expenditure will be used up in the current period.
对费用帐户的借记是建立在该项支出所带来的好处将在本期用完的假设基础上的。