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ultrahigh dose rate 超高剂量率
The first step is to determine the unit-time reference dose rate. 第一步要确定单位时间参考剂量率。
A radioactive particle moving in a blood stream causes transient changes of dose rate near its path. 当一个放射性物质在血流中移动时在它的路径附近引起剂量率的瞬间变化。
However, since the dose rate is steadily decreasing during the exposure, appropriate allowance for this must be made. 可是，由于在辐照过程中剂量率逐步下降，所以必需进行适当的修正。
If the dose rate at any time is known by actual measurement, the value at any other time can be estimated. 如果通过实际测量已知任意时刻的剂量率，则可计算出任何其它时刻的数值。
A method for calculating cosmic radiation dose and dose rate to aircrews in atmosphere is presented in the paper. 本文介绍了一种在大气层中民航飞行高度上宇宙辐射有效剂量率和飞行航程中机组人员所受有效剂量的计算方法。
The simulating results agree with the experimental results at different absorbed dose rate. 理论模拟结果与实际不同剂量率辐射实验结果符合得很好。
Multiple low dose RIT is better than the single large dose RIT,it shows reverse dose rate effect. 分次小剂量RIT疗效优于单次大剂量RIT ; 在一定的剂量范围内 ,小剂量RIT可以起到优于大剂量RIT的抑瘤效果。
The WMO standard UV index unit is equal to 25mW/m 2 erythemally weighted dose rate. 世界气象组织规定了单位紫外线指数相当于 2 5 m W/m2 红斑加权剂量率。
A new parameterization method for retrieving surface UVB irradiance and erythemal UVB radiative dose rate is presented. 提出了一个从卫星观测推算地面UVB辐射通量密度和红斑生物紫外辐射剂量的新的参数化方法。
In addition,the effect of dose rate of the firs t irradiation on the induced adaptive response was also studied. 另外也探讨了不同剂量和不同剂量率的预先照射对应性反应的影响。
Totally 225 sets of gamma-radiation dose rate and 96 of radon emanation data were obtained. 这些平洞和巷道均穿越了(或低于)拟开掘隧洞的底部,基本上揭露了比选隧洞可能穿越的地层岩性。
The graft rate can be changed with the variations of absorbed dose, absorbed dose rate and irradiation environment. 接技率的变化规律可用自由体积模型解释。
However , since the dose rate is steadily decreasing during the exposure, appropriate allowance for this must be made. 可是，由于在辐照过程中剂量率逐步下降，所以必需进行适当的修正。
Objective To study a simple method for estimating cosmic radiation effective dose rate for aircrew. 目的探讨一种可用于民航飞行人员宇宙辐射有效剂量率估算的简便算法。
In the case of given degree of degradation, the dose rate will varied oppositelywith irradiation dose. 当裂解度一定时,剂量率与剂量成反变关系。
The cosmic dose rate( determined primarily by shielding) and albedo directly affect the level of natural TL in meteorites. 宇宙剂量率（定于初始屏蔽作用）反照率直接影响陨石的自然tl值。
The radiation effects of MOS devices implanted BF2 at low dose rate are investigated in some different respects in this paper. 本文从不同方面对BF_2~-注入MOS管低剂量率辐照效应进行了深入的研究。
The simple method is applicable in estimating cosmic radiation effective dose rate for flight altitude of 7 000 m to 20 000 m. 简便估算法可用于海拔为 70 0 0 2 0 0 0 0m的飞行空间的宇宙辐射有效剂量率估算。
It is easy to impose the irremediable damages on patients by using radiation of high dose rate during radiation therapy. 放射治疗过程中，因使用剂量率很高的放射线，稍一不慎，即会对病人造成无法弥补的伤害。