Syntheses of low - molecular weight polyacrylic acid sodium with water as solvent and APS - SHS as REDOX initiator are studied.

以水为溶剂，过硫酸铵-亚硫酸氢钠氧化还原引发体系，研究了低分子质量聚丙烯酸钠的合成。

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However, the friction coefficient between Ni and APS increased with sliding velocity increasing and reduced with load increasing.

而镍与APS间的摩擦系数随滑动速度的增大而增大，随载荷的增大而减小。

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An Algerian reporter saw heavy clashes near the site, APS and radio reports said.

CNN: Algeria launches push against militants to free hostages

Cheating is rare on expensive tests such as the SATs, ACTs, APs and NAEP because test-givers and their contractors spend what it takes to have their sessions proctored, their test booklets kept secure before and after their administration, and the scoring done by individuals or machines in distant locations that are unaffected by the results of that scoring.

CNN: STORY HIGHLIGHTS

The page will include current X Games 16 content (daily highlights and discipline highlights), ESPN Films (30 for 30: The Birth of Big Air, 199 Lives: The Travis Pastrana Story, Shaun White: Don't Look Down, Moto X: Evolution of the Trick, and Down the Barrel), Athlete Music Playlists (from Mat Hoffman, Kenny Brack, Blake "Bilko" Williams, and Josh Hansen), As Heard at X music playlists (from our on-air broadcast), Phone Aps, and Free Podcasts.

ENGADGET: ESPN lays out X Games 16 coverage via online, HD & 3D formats, including in-car 3D cams