以下为句子列表：
英文: Compared with the exchange system RHSO-SO -, the sequence of selectivity is as follows: HSO-> SO -CO ->HCO- . The problem about the conversion of dibasic acid radicals in the resin phase is also discussed.
中文: 和RHSO_-SO_~(-)交换体系对比,明确了选择性次序为:HSO_~->SO_~(-)>>CO_ ~(-)>HCO_ ~-,还对二元酸根在树脂内的转化作了讨论。
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英文: METHODS A Nova-Pak C_8( .9 mm× 00 mm, μm) column and mobile phase of methanol-0.% phosphate dibasic anhydrous(0∶0) were used with a flow rate of 0.7 mL·min~-,detection wavelength was 0 nm,temperature was 0 ℃.
中文: 方法:色谱柱为Nova-Pak C8柱( .9mm× 00mm,μm)柱,以甲醇-0.%磷酸溶液(0∶0)为流动相,流速为0.7mL. m in-,检测波长为 0nm。
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英文: Synthesis of the Dibasic Acid Monoesters of the Oleanolic Acid
中文: 齐墩果酸二元酸单酯二钠的合成
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英文: The potentiometric titrationcurve proves that the resins are dibasic acids.
中文: 电位滴定曲线证明这些树脂为二元酸。
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