以表面富载马来酸羧基的聚(苯乙烯-丙烯酸酯)阴离子(PSA-A)乳胶粒为模板,硫酸钛为原料,水为分散介质,制备了PSA-A/钛水解产物核壳微球,然后在空气中适当温度下煅烧得到粒径约为450nm的TiO2空...
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Both Renault and PSA, he claimed, had given “a commitment” not to close any factories for the duration of the state loans, and to “do everything” to avoid layoffs.
他声称,标致和雷诺公司以及做出了“承诺”,在国家予以贷款期间不会关闭任何一家工厂,并愿意为了避免失业“做任何事情”。
Under a "production-sharing agreement" (PSA), the state takes a share of the profits-but mostly only after the costs have been recouped.
根据产量分成协议(PS A),只有在成本得到补偿之后,国家才可以得到利润的一部分。
The question for any man with a positive PSA test or manual exam is, Which group does he belong to?
对参与变压吸附试验或手动检查的人来说,他到底属于哪一组呢?
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