In addition, more recent and larger and longer PPA exposures were related to increased stroke risk.
此外, 近期、大劑量和長期服用PPA與增加中風風險具有相關性.
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Unreinforced toughened high performance polyamide resin . PPA resin.
無加強增韌高性能聚酰胺樹脂.
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TEM photograph shows the orientation and arrangement of PPA molecular chains in the monolayer is regular.
TEM照片顯示,聚苯乙炔分子鏈在單分子膜中是有序排列的.
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Mean pulmonary arterial pressure ( Ppa ) was elevated from 2.84±0.06 kPa to 3.33±0.07 kPa ( P < 0.001 ).
肺動脈平均壓由2.84±0.06kPa上升到3.33±0.07kPa ( P<0.001 ).
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It has excellent resistance and retention of properties in moist environments . PPA resin.
它具有優(yōu)良的耐高溫性能,并保留在潮濕的環(huán)境.
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But Mr Tobaccowala thinks pay - per - action could become a real alternative to pay - per - click.
但Tobaccowala認為, PPA 有可能成為“點擊付費”的真正替代模式.
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