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上海市自然科学基金资助课题——谱方法研究,已由上海计算所副研究员郑家栋等经多年潜心研究获得重要理论结果,不久前在沪通过鉴定。 采用谱方法求解偏微分方程,国外在80年
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对胶州湾水体、浮游生物、悬浮颗粒物和沉积物中锡的测定、形式、生物累积等进行研究。不同季节(1987年和1988年)的水体、浮游植物和沉积物测定表明:1.水体总还原无机锡和总