以下为句子列表：
英文: The total N in enviromental samples is commonly determined by K2S2O8-spectrophotometric method, and the total P is commonly determined by phosphatic molybdenum spectrophotometry.
中文: 摘要环境样品总氮的测定常用过硫酸钾氧化－紫外分光光度法测定，而总磷一般为磷铝蓝分光光度法。
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英文: SPINOSE PHOSPHATIC MICROFOSSILS FROM TERMINAL PROTE-ROZOIC DOUSHANTUO FORMATION IN SOUTHERN CHINA
中文: 中国南方末元古宙陡山沱组中的具刺磷酸盐微体化石(英文)
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英文: Late Devonian Phosphatic Microspherules——Possible Oocytes
中文: 晚泥盆世磷质微球粒——可能的动物卵细胞
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英文: PHOSPHATIC STROMATOLITE BIOHERMS AND ASSOCIATED MICROBIAL FOSSILS FROM THE SINIAN DOUSHANTUO FORMATION, CENTRAL GUIZHOU,SOUTH CHINA
中文: 台湾地区上下第三系界线划分的孢粉学证据
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