| 1. | 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。 |
| 2. | 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。 |
| 3. | 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。 |
| 4. | 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。 |
| 5. | 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 |
| 6. | Among the asthmatic chinese children , the level of nitric oxide is about 80 parts per billion ( ppb ) while for normal children it is only 29ppb
结果发现患有哮喘的华人儿童中，一氧化氮的浓度为80ppb ，正常儿童则只有29ppb 。 |
| 7. | Standard test method for determining residual vinyl chloride monomer content in ppb range in vinyl chloride homo - and co - polymers by headspace gas chromatography
用液上气相色谱法测定氯乙烯均聚物和共聚物中的十亿分之一级残余氯乙烯单体含量的标准试验方法 |
| 8. | The pharmacy and poisons board ( ppb ) is the statutory authority set up under the pharmacy and poisons ordinance to take charge of the registration of pharmaceutical products in hong kong
药剂业及毒药管理局是根据《药剂业及毒药条例》 （ 《条例》 ）的规定而成立的法定机构，负责处理本港药剂制品的注册事宜。 |
| 9. | The results of issr analysis is ppb = 66 . 67 % , h = 0 . 2089 , i = 0 . 3172 . genetic diversity of issr is higher than that of allozymes . genetic diversity of d . pleiantha is higher than d . versipelis
六角莲的遗传多样性高于于八角莲，等位酶的多态位点比率p为55 . 6 ， issr的多态位点百分率均为70 . 83 ，基因多样性为0 . 2383 ， shannon多样性指数为0 . 3576 。 |
