PPB
abbr.
Pappband (German=boards, hard cover) （德语）木板；parts per billion 十亿分率；polybrominated biphenyl (cattle poison) 多溴联苯（牛毒）；pounds per barrel 磅/桶
英英释义
PPB
PPB can stand for:
以上来源于:Wikipedia
权威例句
The Road to PPB: The Stages of Budget ReformDiffusion-model analysis of pPb and PbPb collisions at LHC energies
Economic Impacts of a 65 ppb National Ambient Air Quality Standard for Ozone
High-energy electron observations by PPB-BETS flight in Antarctica
Detection of NO2 down to ppb Levels Using Individual and Multiple In2O3 Nanowire Devices
Detection of H 2 S down to ppb levels at room temperature using sensors based on ZnO nanorods
Atrazine-induced hermaphroditism at 0.1 ppb in American leopard frogs (Rana pipiens): laboratory and field evidence.
Elliptic flow of charm and strang√e hadrons in high-multiplicity pPb collisions at sNN = 8.16 TeV
Elliptic flow of charm and strange hadrons in high-multiplicity pPb collisions at $\sqrt{s_{_\mathrm{NN}}} =$ 8.16 TeV
Recent trends in inter-laboratory precision at ppb and sub-ppb concentrations in relation to fitness for purpose criteria in profici...
1. The modified polypropylene was prepared by grafting propylene-butadiene (PPB) copolymer with maleic anhydride (MAH) in solution process.
用溶液接枝方法将马来酸酐接枝于丙烯-丁二烯共聚物（PPB），制得聚丙烯改性产物。
dict.cnki.net
2. PPB is fairness to each kind of user, and ISPs can also use price lever to optimize the network traffic and configure network resources properly.
采用PPB计费，不仅能使不同用户享有公平性，服务提供商也可利用价格杠杆优化网络流量，合理配置网络资源。
dict.cnki.net
3. Based on the flow-injection spectrophotometry and the reaction principle of molybdenum blue, a new automatic analysis method for the rapid determination of ppb-level silicate was developed.
基于流动注射分析技术和硅钼蓝反应原理，开发成功一种快速准确测定电厂炉水和给水中痕量硅的自动分析方法。
www.dictall.com
4. An analyzer has been designed for the rapid determination of ppb-level sodium ions in steam-water system of power plants.
开发了一种痕量钠离子自动分析系统，主要用于火电厂水汽中痕量钠离子的快速测定。
dict.cnki.net
5. 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。
dj.iciba.com
6. Conclusion PPB resulted in elevation of MAP, TPR, HR and decline of SV significantly using two kinds of Jerkin G suit .
结论使用这两种装备进行加压呼吸均可造成MAP、TPR和HR明显增加，SV明显减少。
dict.cnki.net
7. PPB can be avoided or reduced through measures like modifying the chemistry of the alloys, ophimizing the processes of powder production and powder treatments as well as HIP parameters.
通过调整合金成分、选择合适的粉末制备和处理工艺以及改进成形工艺等措施可以消除PPB。
airiti.com
8. Under PPB, SV increased significantly when chest counter pressure was equal to the mask pressure.
在加压呼吸条件下，胸部对抗压与面罩腔内压力相等，对提高SV有明显效果。
dict.cnki.net
9. The gold concentrated with poly-urethane foam was roasted by adding Ni to obtain a stable recovery of gold in ppb Level.
以泡塑富集金、以镍盐作基体改进剂，提高了金的回收率和稳定性。
dict.cnki.net
10. Objective To compare cardiovascular function of subjects exposed to positive pressure breathing (PPB) while wearing G suits with different bladder coverage.
目的探讨加压呼吸时抗荷裤的囊覆盖面积大小对心功能的影响。
www.dictall.com
11. The association interaction parameter of PPB-MAH can be used to express the molecule polarity quantitatively, and the ellipse equation can be used to estimate the solvability of solvents.
MAH的缔合力参数可以用来量化表示其分子极性，椭圆方程可以用作溶剂的可溶性的预测。
dict.cnki.net
12. Conclusions PPB is a rare malignant tumor and should be distinguished from pulmonary blastoma, primitive neuroectoural tumor (PNET), embryonal rhabdomyosarcoma and other sarcomas.
结论：胸膜肺母细胞瘤是一种极为罕见的恶性肿瘤，应与肺母细胞瘤、原始神经外胚叶肿瘤及胚胎性横纹肌肉瘤等鉴别。
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13. The transcript of the PPB gene is highly conserved during evolution.
该基因在进化过程中高度保守。
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14. Background: The risk of postpolypectomy bleeding (PPB) in patients undergoing colonoscopy on uninterrupted clopidogrel therapy has not been established.
背景：连续服用氯吡格雷的病人进行结肠镜时，PPB的危险因素尚未建立。
www.csde.org.cn
15. This is particularly useful for impurities such as benzene which are required to be removed to below 20 ppb for beverage applications.
这特别适用于在饮料用品中必须将含量降低到20ppb以下的苯之类的杂质。
www.pat365.com
16. I think an estimate was thrown out there of less than 1 part per billion (ppb) water, because the presumption was that there was almost no water on the moon.
我想当时得出的结论是水含量估计会在十亿分之一，因为我们的前提是月球上几乎没有水"。
article.yeeyan.org
17. 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。
dj.iciba.com
18. When molecular weights of both PEG block and PP block in PEG-b-PPb-PEG were around 1 000, an enhanced surface hydrophilicity modification effect was obtained.
当嵌段共聚物中PP嵌段和PEG链段分子量均为1 000左右时，对PP薄膜表面亲水性的改善效果较好。
www.redlib.cn
19. The Breast Cancer Fund collected 2 samples of 6 different types of food marketed to children, and found levels of BPA ranging from 21 parts per billion (ppb) to 77.5 ppb, with an average of 49 ppb.
乳腺癌基金会选取了六种面向儿童市场的食物，并各抽取了两个样本进行研究。研究结果发现这些食物中双酚含量范围为十亿分之二十一到十亿分之七十七点五，平均含量为十亿分之四十九。
article.yeeyan.org
20. The Model 220 GF accessory is the latest technology in PPB level analyses by graphite furnace AA.
型石墨炉配件采用PPB同阶段分析的最新的技术。
www.e-gtm.com.cn
21. Objective: To assess the PPB rate and outcome and identify risk factors associated with PPB in patients taking clopidogrel.
目的：评估服用氯吡格雷病人PPB的发生率，结果以及相关的危险因素。
www.csde.org.cn
22. Determination of ppb level anions in sulfolane by ion chromatography with a novel column-switching injection system;
综述了离子色谱技术在气溶胶可溶性无机离子测定中的应用。
www.dictall.com
23. As the chain molecular weight of PEG block and/or PP block in PEG-b-PPb-PEG decreased, water contact angle of the films also decreased, and surface free energy increased too.
随嵌段共聚物中PP嵌段分子量以及PEG嵌段分子量的下降，薄膜水接触角减小，表面自由能增大；
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24. As the chain molecular weight of PEG block and/or PP block in PEG-b-PPb-PEG decreased, water contact angle of the films also decreased, and surface free energy increased too.
随嵌段共聚物中PP嵌段分子量以及PEG嵌段分子量的下降，薄膜水接触角减小，表面自由能增大；
www.redlib.cn
25. 6.8 The MBT of this system should be kept below 25 ppb.
应该将泥浆中的MBT值保持在低于25 ppb。
-- 来源 -- 英汉 - 翻译参考[网络]
26. Limits of 20 parts per billion (ppb) are used for feeds and nut products, while milk has been assigned an action level of 0.5ppb.
限制饲料和坚果类产品中的含量为20ppb,而奶中则为0.5ppb。
-- 来源 -- 英汉 - 翻译参考[网络]
27. 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。
-- 来源 -- 网友提供
28. 12.3 PF-THIN is a polymeric thinner, and normal using range is 5.0 - 10.0 ppb.
PF－THIN是一种聚合物稀释剂，其加量范围为5～10ppb。
-- 来源 -- 英汉 - 翻译参考[网络]
29. PPB (part per billion)
10亿分之￥
-- 来源 -- 英汉 - 翻译参考[网络]
30. 46 kinds of organic pollutants in the range of ppb-ppm of concentration in Fenhe river of Taiyuan section have been analysed by means of the complementary techniques of GC and GC/MS for the quantificaton of organic compounds.
采用GC和GC/MS检测手段,定量出汾河太原段有机污染物46种,其浓度在ppb～ppm范围。
-- 来源 -- 网友提供
PPB
