免费在线重悬计算器，专业计算寡核苷酸重悬所需稀释液体积，精确实现目标浓度溶液配置。适用于分子生物学实验、PCR反应、基因测序等应用场景，提供准确便捷的重悬稀释计算。
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免费在线蛋白质溶解度计算器，基于Kjeldahl法精确计算食品中蛋白质溶解度百分比。输入空白滴定值、滴定值、NaOH浓度和有效重量，快速获取专业检测结果，适用于食品检验、营养分析等场景。
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"selectedValueDouble": 791,
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专业等电点计算器，通过pKa和pKb值快速计算分子等电点(pI值)。适用于化学、生物化学研究中蛋白质和氨基酸电中性点分析，提供精确便捷的等电点计算服务。
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"americaHotValue": 0,
"selectedValueDouble": 791,
"chinaHotValueDouble": 0,
"selectedValue": 791,
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免费在线校准曲线计算器，采用标准添加法处理基质效应，精确计算未知样品浓度。提供线性回归分析、逐步教程指导，适用于分析化学、环境检测、食品安全等领域的定量分析。
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