☢️ 核物理工具

☢️ 半衰期计算器Half Life from Lambda 半衰期计算器依据 t½=ln2/λ 由衰变常数求半衰期，输入 λ 输出半衰期，适合放射性衰变模型的参数换算与习题求解。Half Life from Lambda - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Nuclear Physics tools. ☢️ 原子核结合能计算器Binding Energy 原子核结合能计算器求核子结合成原子核释放的能量，由质量亏损乘 c² 得到，适合核物理学习与核反应能量评估。Binding Energy - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Nuclear Physics tools. ☢️ 平均寿命计算器Mean Life 平均寿命计算器求放射性核素在指数衰变下的平均存活时间 τ=1/λ，适合核物理、放射化学与示踪实验中的衰变特征描述。Mean Life - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Nuclear Physics tools. ☢️ 放射性活度计算器Activity 放射性活度计算器求单位时间内的核衰变数（贝可勒尔 Bq），依据核数与衰变常数换算，适合放射化学与核医学中的活度量化。Activity - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Nuclear Physics tools. ☢️ 放射性衰变计算器Radioactive Decay 放射性衰变计算器依指数律 N=N₀e^(−λt) 求随时间衰减的原子核数目，输入初始量与时间输出剩余量，适合核物理与放射计量。Radioactive Decay - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Nuclear Physics tools. ☢️ 核反应 Q 值计算器Q Value 核反应 Q 值计算器依据反应前后质量差乘 c² 求能量释放或吸收，判断核反应放能或吸能，适合核物理学习与反应堆、聚变分析。Q Value - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Nuclear Physics tools. ☢️ 核裂变总能产额计算器Fission Energy Yield 核裂变总能产额计算器估算一次裂变释放的总能量（含碎片动能与中子能），适合核物理教学与反应堆能量平衡的概略计算。Fission Energy Yield - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Nuclear Physics tools. ☢️ 比活度计算器Specific Activity 比活度计算器求单位质量放射性物质的活度（Bq/g），由半衰期与原子量换算，适合放射源配制、核医学与示踪实验的参数确定。Specific Activity - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Nuclear Physics tools. ☢️ 比结合能计算器Binding Energy Per Nucleon 比结合能在线计算器，输入原子核质量数与原子质量，用质能方程求得每核子结合能，反映核稳定性，适合核物理教学，纯前端运行。Binding Energy Per Nucleon - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Nuclear Physics to... ☢️ 活度衰减计算器Activity Decay 活度衰减计算器依据放射性衰变定律求初始活度随时间的衰减，输入半衰期与时刻输出剩余活度，适合核物理学习与辐射防护估算。Activity Decay - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Nuclear Physics tools. ⚛️ 由中子通量、截面与靶核数求反应率Reaction Rate 输入中子通量 Φ、微观截面 σ 与靶核数 N，按 R = Φ·σ·N 计算核反应率（每秒反应数）。用于反应堆物理、活化分析与中子探测估算。Reaction Rate - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Nuclear Physics tools. 📜 由初始与现存活度求年龄Age from Activity 输入衰变常数 λ、初始核数 N₀ 与现存核数 N，按 t = (1/λ)·ln(N₀/N) 反推样品年龄。用于放射性同位素定年（如碳十四、铀系法）的年限估算。Age from Activity - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Nuclear Physics tools. 📻 由半衰期与原子核数求活度Activity from Halflife 输入放射性核素半衰期 t½ 与原子核数 N，按 A = (ln2 / t½)·N 计算衰变活度（贝可勒尔 Bq）。用于核物理、放射源活度估算与衰变计算。Activity from Halflife - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Nuclear Physics tools. 📻 由半衰期与摩尔质量求比活度Specific Activity from Halflife 输入核素半衰期 t½（秒）与摩尔质量 M，按 a = (ln2 / t½)·N_A / M 计算比活度（单位质量活度 Bq/g）。用于放射性药物配制与源强估算。Specific Activity from Halflife - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Nuclear Physi... ⏳ 由半衰期求平均寿命Mean Life from Halflife 由半衰期求平均寿命工具依据 τ=t½/ln2 将半衰期换算为平均寿命，输入半衰期（年）输出 τ，适合核衰变统计特征换算。Mean Life from Halflife - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Nuclear Physics tools. ⏳ 由半衰期求衰变常数Decay Constant from Halflife 由半衰期求衰变常数工具依据 λ=ln2/t½ 将半衰期换算为衰变常数，输入半衰期（秒）输出 λ，适合核衰变模型参数换算。Decay Constant from Halflife - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Nuclear Physics ... 🛡️ 由吸收剂量与品质因数求剂量当量Dose Equivalent 输入吸收剂量 D 与辐射权重因子 Q（品质因数），按 H = D·Q 计算剂量当量（希沃特 Sv）。用于衡量不同辐射类型对生物组织的等效危害，辐射防护评价。Dose Equivalent - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Nuclear Physics tools. ⏳ 由核数与活度反推半衰期Half Life from Activity Nuclei 由核数与活度反推半衰期工具依据 t½=N·ln2/A 由核素总数与活度求半衰期，适合放射性样品特性反算与核物理练习。Half Life from Activity Nuclei - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Nuclear Physic... ⚡ 由沉积能量与质量求吸收剂量Absorbed Dose 输入电离辐射在物质中的沉积能量 E 与受照质量 m，按 D = E / m 计算吸收剂量（戈瑞 Gy）。用于辐射防护剂量估算与放射治疗物理计算。Absorbed Dose - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Nuclear Physics tools. ⏳ 由物理与生物半衰期求有效半衰期Effective Halflife 输入物理半衰期 t_phys 与生物半衰期 t_bio，求有效半衰期。Effective Halflife - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Nuclear Physics tools. 🛡️ 由线性衰减系数与厚度求透射强度Gamma Attenuation 输入 γ 射线初始强度 I₀、线性衰减系数 μ 与穿过物质厚度 x，按 I = I₀·e^{−μx} 计算透射强度。用于屏蔽设计、无损检测与防护厚度选择。Gamma Attenuation - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Nuclear Physics tools. 💯 由衰变常数与时间求存活概率Survival Probability 输入衰变常数 λ 与经过时间 t，按 P = e^{−λt} 计算原子核尚未衰变（存活）的概率。用于半衰期、剩余活度与衰变进程的快速估算。Survival Probability - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Nuclear Physics tools. 💯 由衰变常数与时间求已衰变份额Decay Fraction 输入衰变常数 λ 与经过时间 t，按 f = 1 − e^{−λt} 计算已衰变的原子核比例。用于评估放射源在给定时间内的衰减程度与剩余活度。Decay Fraction - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Nuclear Physics tools. ⭕ 由质量数求核半径Nuclear Radius 输入原子核质量数 A，按 R = r₀·A^{1/3}（r₀≈1.2 fm）估算核半径。用于核物理教学与核尺寸、核密度相关推算。Nuclear Radius - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Nuclear Physics tools. ☢️ 电子湮灭光子能量计算器Pair Annihilation 基于电子-正电子湮灭产生两个 511 keV 光子的物理事实，计算或说明湮灭光子的能量（对应电子静质量 0.511 MeV）。用于 PET 显像、正电子湮灭原理演示。Pair Annihilation - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Nuclear Physics tools. ☢️ 碳十四测年计算器Carbon Dating Age 碳十四测年计算器依据样品剩余碳-14 比例与半衰期反推年代，适合考古、地质与古生物样品的年龄估算（仅有机材料）。Carbon Dating Age - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Nuclear Physics tools. ☢️ 衰变常数计算器Decay Constant 衰变常数计算器由半衰期求取放射性核素的衰变常数，用于衰变律 N=N₀e^(−λt) 中的速率参数，适合核物理习题与建模。Decay Constant - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Nuclear Physics tools. ☢️ 质量亏损计算器Mass Defect 质量亏损计算器求组成原子核的核子质量之和与原子核实际质量之差，该差值对应结合能，适合核物理中的质量-能量关系学习。Mass Defect - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Nuclear Physics tools.