ppb meaning in Chinese
p.p.b. ＝parts per billion 十亿分之一。
Examples
- All drill water to be pretreated with 2 ppb gluteraldehyde
所有的钻井水都要按每桶加两磅的戊二醛作预处理。 - 6 % , the result of issr is ppb = 70 . 83 % , h = 0 . 2383 , i = 0 . 3576 . 5
八角莲和六角莲在遗传上已有有明显的分化。 - Add 25 ppb bentonite and allow to hydrate for a minimum of 6 hrs
按每桶钻井液加25磅的膨润土，允许水化至少6个小时。 - In original english language for the 1st impression . the net price to the publisher is at the ratio 1 . 6 of the ppb cost
原书第一次印刷的文字形式是英文。出版者支付的净价依据ppb成本1 . 6的比率计算。 - Standard practice for determination of adsorptive capacity of activated carbon by a micro - isotherm technique for adsorbates at ppb concentrations
用ppb浓缩时吸附物的微缩等温线技术测定活性炭吸附能力的标准实施规程