pbb

The content of PBB-PA/ Sb2O3 had little effect on the tensile strength of ABS compared with PBB/ Sb2O3. The addition of PBB-PA improved the impact property.

与PBB/Sb2O3相比，PBB-PA/Sb2O3的用量对ABS的拉伸强度影响较小，并且PBB-PA的加入能够改善ABS的冲击性能。

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gmpls-controlled pbb-te is a promising solution for packet transport networks.

GMPLS控制的PBB-TE是实现分组传送网的优选技术。

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Objective To realize the changes of blood lead ( PbB) levels and blood cadmium ( CdB) levels and the status of exposure to lead and cadmium in provincial capitals and counties.

目的了解人体血铅血镉的变化和县镇人群铅镉暴露的状况。

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and the forwarding mode of pbb service is adopted for forwarding the service frame of the pbb service.

采用PBB业务的转发方式转发所述保护PBB业务的业务帧。

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Prenatal and postnatal PbB levels and their effects on infant growth were analysed.

分析出生前后铅暴露水平对婴幼儿体格发育的影响.

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Under strict quality control, the authors investigated the levels of PbB among 270 women from early pregnancy to delivery and their infants.

在严格的质量保证措施下，对北京石景山地区270名孕妇及其婴儿进行了血铅的追踪调查。

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