- 更多网络例句与放射性测量的相关的网络例句 [注:此内容来源于网络,仅供参考]
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The air survey is specially superior in the regional environmental radioactivity survey, which is recommended by IAEA.
在区域环境放射性测量中,航测具有特殊的优势,是IAEA推荐的手段。
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Intelligent nuclear instrument has been a dominant developing direction of radioactivity measurement instrument. The instrument for radon measurement of air pulse ionization chamber, based on the theory that alpha rays decayed by radon and its progeny can ionize the air molecules, can measure the radon concentration accurately.
智能核仪器已成为放射性测量仪器发展的一个主导方向,利用氡及其子体衰变放出α射线能使空气分子电离的理论设计的空气脉冲电离室α测氡仪可以准确地测量空气中的氡浓度。
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This paper describes the principle and application of correlation method in the absolute radioactivity measurement .
本文介绍用于放射性核素活度绝对测量的相关方法的基本原理、应用及其优点。
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The decay of ~(99m)Tc source was used to verify experimentally that in the measurement of the number of atoms of a radioactive isotope in a sample at time t_0, the error introduced through the inaccuracy of its decay constant can be reduced to a much smaller value by the careful selection of the time of measurement or measurements of its radioactivity at around one life time (1/λ) after t_0 and doing the calculation.
本文用~(99m)Tc源的衰变实验证明了:在测量一个样品中在t_0时的一种放射性同位素的原子数时只需精心选择一次或多次测量其放射性的时刻在t_0后约该同位素的一个寿期(1/λ),并进行计算,则由它的衰变常数或其半衰期(T1/2)的不准确性而引进的误差可以被降低到较小值。
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Basic nuclear physics and fundamental measuring techniques: The basic nuclear physics involves the main types of nuclear decay, law of decay, definition and units of radioactivity and the interaction of radiations and materials.
核物理基础与放射性测量技术:内容主要是核衰变的四种类型、衰变规律、放射性活度及其单位;射线与物质的相互作用,以及γ计数器及液体闪烁仪测量的基本原理和放射性测量的统计误差。
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The volume of radon chamber is 4 m3, the range of radon concentration is 370~20 000 Bq/m3, and the relative expanded uncertainty of measurement results is no more than 5.8%. The whole testing system can verify/calibrate the radon monitor and study on the radioactive aerosol of radon decay product.
装置氡室体积为4 m3,氡浓度测量范围为370~20 000 Bq/m3,氡浓度值测量结果的相对扩展不确定度不超过5.8%,可用于测氡仪器的检定校准和氡子体放射性气溶胶的实验研究。
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The β-activity of ~(89,90)Sr is measuured on GM counter after radiochemical separation.
放射性~(89,90)Sr是放化分离后在G-M计数器上测量的。
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Some isobars or matrix may interfere in mass spectrometry analysis, and the low background technology is needed for radiochemical method .
这种包装盒既可以进行辐照,辐照后,也可以直接进行放射性测量,以避免辐照前后放射性测量的几何影响。
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This contributed to the second phase of development of airborne radiometric survey techniques.
这就开始了航空放射性测量技术发展的第二阶段。
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Exact dates for sites can be calculated and the method is more accurate than radiometric dating techniques.
用这种方法测量出的精确度要比放射性技术的高。
- 更多网络解释与放射性测量的相关的网络解释 [注:此内容来源于网络,仅供参考]
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acromion:肩峰(用于测量肩宽的点)
acrocephaly 尖头畸形 | acromion 肩峰(用于测量肩宽的点) | actinodermatitis 放射性皮炎
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emanator:射气测量计 测氡仪
emanative 放射性的 | emanator 射气测量计,测氡仪 | emanatorium 射气治疗院
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gauger:测量者/检量官/收税官
gaugeable /可计量的/可测量的/ | gauger /测量者/检量官/收税官/ | gauging /放射性计测/
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lodging:寄宿处, 寄宿, (通常用复数)出租的房间、住房
business term 营业期 | lodging 寄宿处, 寄宿, (通常用复数)出租的房间、住房 | gross activity measurement 总放射性测量, 总活度测量
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Geometrical product specifications(GPS) Series of angler and slopes on prisms:产品几何量技术规范(GPS)棱体的角度与斜度系列
用于放射性测量的试管尺寸 Dimensions of test t... | 产品几何量技术规范(GPS)棱体的角度与斜度系列 Geometrical product specifications(GPS) Series of angler and slopes on prisms | 声学 标准水听器 Acoustics-...
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radioactive waste:放射性废料
"工作人员辐射监测器具"(personnel radiation monitoring device) 指设计给个人佩带或携带的器具,用以测量辐射照射量,亦包括置于合适菲林匣内适宜作该用途的摄影菲林; (1985年第228号法律公告)"放射性废料"(radioactive waste) 指放射性物质废料及被放射性物质污染的废料,
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radiometric:放射性测量的
radiometer 辐射计 | radiometric 放射性测量的 | radiometry 辐射线测定
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actinodermatitis:放射性皮炎
acromion 肩峰(用于测量肩宽的点) | actinodermatitis 放射性皮炎 | actinotheraphy 放射治疗
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isotopes:同位素
(1) 体外诊断将放射性核素放在试管中(In Vitro)进行放射性免疫测量或活化(2) 体内诊断把放射性核素引入活体内(In Vivo)进行脏器功能测量或显像数不同的核素在元素周期表中处于同一位置故称为同位素(Isotopes)它们具有射性衰变(
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liquid scintillation counter:液体闪烁计数器
(二)液体闪烁计数器液体闪烁计数器(liquid scintillation counter)是使用液体闪烁体(闪烁液)的放射性测量仪(图1-22). 液体闪烁测量的能量传递过程为射线与闪烁液相互作用产生的荧光光子从闪烁液内部透过闪烁液和容器壁传到光电倍增管,因而避免样品的自吸收.