以下为句子列表：
英文: These methods and techniques include techniques for sieving and inspection of 1:200000 regional geochemical anomalies, geogas survey, active state survey of metals, extraction and measurement of valence state gold, electric and new attempts at botanogeoch
中文: 这里包括1:20万区域化探异常筛选与查证的方法技术，地气测量方法、金属活动态测量方法、价态金提取与测量方法、电提取方法及植物地球化学测量方法的新探索等。
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英文: Chromium's valence state was mostly trivalent chrome, and the hexavalence chrome content of lixiviated succus was all under 0.mg/L , according to national emission standard .mg/L (GB08. -99) .
中文: 浸出毒性试验表明，浸出液中六价铬含量低于0.mg／L，低于国家标准.mg／L(国标号：GB08． -99)。
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英文: STUDY ON VALENCE STATE TRANSFORMATION AND SOLUBILITY OF SELENIUM IN PADDY SOILS
中文: 水稻土壤中硒的价态转化及溶解性研究
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