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- minimum detectable activity (MDA) [化] 最小检出量; 最小可检出放射性量; 最低检出量; 最低可检出放射性量
- minimum detectable activity 最低可测活性
- The minimum detectable concentrations (MDC) of Pb and Cd were 4mg/L and 0. 3mg/L respectively in 5 .0ml sample. 取样品5.;0ml,最低检出浓度铅、镉分别为4mg/L,0
- The minimum detectable concentrations are less than 0.1 ppm for H2, O2 and CH4, and 0.5 ppm for CO. 氢、氧、甲烷的最小检知浓度为0.;1ppm;一氧化碳的最小检知浓度为0
- In this paper,the minimum detectable velocity(MDV) of moving target indication(MTI) radar is researched. 研究了动目标显示(MTI)雷达的最小可检测速度(MDV)。
- The method is simple, fast and of high precision and accuracy.The minimum detectable concentration is 1.5mg/kg. 该法简便快速;最低检测浓度为1.;5毫克/公斤;具有良好的精密度和准确度。
- Abstract: In this paper, the minimum detectable velocity(MDV) of moving target indication(MTI) radar is researched. 文章摘要: 研究了动目标显示(MTI)雷达的最小可检测速度(MDV)。
- For 51Cr, 60Co, 65Zn, 95Zr-95Nb and 137Cs the decontamination factor is greater than 103. The minimum detectable limit of this method is 3. 8X 10-3 Bq/L. 对铬-51、钴-60、锌-65、锆-95-铌-95和铯-137等核素的去污系数均大于10~3。 方法简便;易于操作;探测限为3.;8×10~(-3)BqL~(-1)。
- The scheme can achieve 195V/pF sensitivity and IfF minimum detectable capacitance variance, which can satisfy the capacitive micromachined inertial sensors with ordinary precision. 采用一组标定电容作为传感器的模型进行了实验,实验电路灵敏度可以达到195V/pF,最小分辨率为1fF。 采用该方案能够满足对普通精度的电容式微机械惯性传感器信号的检测。
- The dots change colour when they detect active versions of the genes. 当被探测的基因有了活性变化时,这些点的颜色就会发生改变。
- This study adopts the Monte-Carlo general software-MCNP to compute and analyze the effect of movement of the nuclear matter on the minimum detectable limit of the nuclear radiation detector array. 文章通过建立蒙特卡罗模型并应用通用软件MCNP程序分析计算核材料的移动对核辐射探测器阵列探测下限的影响。
- Intelligence detects activity near blast site that may augur a second nuclear explosion. 美情报机构在朝鲜核爆炸地点附近检测到活动,可能预示着朝鲜还将进行一次核爆炸。
- U.S. intelligence detects activity near blast site that may augur a second nuclear explosion. 美情报机构在朝鲜核爆炸地点附近检测到活动,可能预示着朝鲜还将进行一次核爆炸。
- Detecting the density of pollutant gas is one of the important applications of lidar.The minimum detectable concentration is a key index of lidar. 探测大气中污染气体的浓度是激光雷达的一个重要应用方面,最小可探测浓度是衡量一个雷达系统的重要指标。
- From the qualitative point of view, the nuclear material are more difficult to detect when moving than static (namely, the minimum detectable limit is lower when static than moving). 从定性的角度看,核材料移动比静止时更难以探测(即静止比移动时的探测下限低)。
- minimal detectable activity (MDA) 最低检出放射性强度
- The minimum detection limit of this method is 1.5 Bq/L, The precision is 10% , The recovery ratio is 97% - 100% . 方法的检测限为1.;5Bq/L;精密度为10%25;放化回收率为97%25-100%25。
- Minimum Detective Height and Height Measurement Accuracy Use Diffraction Wave Method to Detect a Crack Height. 衍射波法测定裂纹高度时的最小可测高度和高度测试精度。
- Caesarean section may be performed if lesions are present or if swabs detect active shedding near term. 剖腹产手术如果病变可能赞成或者样本检测脱落近期活跃。