第一步要确定单位时间参考剂量率。
The first step is to determine the unit-time reference dose rate .
解释了辐照过程中的剂量率效应。
本文主要研究总剂量和剂量率响应特性。
In this paper mainly reported is the responses of total dose and dose rate.
辐射防护安全性能好，辐射剂量率非常低。
It has the high safety of radiation protection and very low radiation dose rate.
所以高剂量率后装治疗可以代替常规镭疗。
Thus, high-dose rate after-loading intracavitary therapy can be used to replace conventional radium therapy.
提出了对探测器进行能量补偿测量剂量率的方法。
A method to measure the dosage rate by energy compensation to the detectors is mentioned.
移动模式切换到一个剂量率模式，恢复正常作业。
Move the mode switch to one of the dose rate modes to return to normal operation.
计算了MOSFET阈电压与辐射剂量率之间的关系。
Deduced has been a relationship between the threshold voltage of MOSFET and the radiation dose rate.
发现接枝率随着剂量、剂量率及单体浓度的增加而增加。
It is found that the rate of graft polymerization increased with the increase of radiation dose, dose rate and monomer concentration.
结果表明，在相同剂量率下接枝率随总剂量的增加而增高。
It was indicated that the grafting degrees increased with the increasing doses under the same dose rates.
对双极晶体管进行了不同剂量率、不同偏置的电离辐照实验。
Ionizing radiation response of bipolar transistors at different dose rates and biases has been investigated.
不使用均整器可以提高加速器的输出剂量率，减少出束时间。
Theoretically, without the flattening filter may reduce the treatment delivery time by enhancing the output dose rate.
试验表明：在相同辐射剂量下，低剂量率辐照损伤比高剂量率大。
Experimentation indicates: under the same radiation dose, ionizing radiation damage at low dose rate is more than that at high dose rate.
目的观察鼻咽癌外照射联合高剂量率腔内后装治疗的近期疗效和反应。
ObjectiveTo investigate short term effect of nasopharyngeal carcinoma treated by combined external irradiation and intracavitary brachytherapy of the high dose rate.
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 cosmic dose rate (determined primarily by shielding) and albedo directly affect the level of natural tl in meteorites.
报导安徽省天然辐射的空气吸收剂量率和饮食中天然放射性核素的浓度。
This paper reports absorbed dose rate in air for natural radiation and concentration radionuclides for food.
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。
A radioactive particle moving in a blood stream causes transient changes of dose rate near its path.
该系统计算的中子在方型混凝土管中的剂量率分布与实验结果符合得较好。
The dose rate distributions calculated with RSCAM in square concrete duct agree well with experiments.
而在高温辐照条件下，即使辐照剂量率较高，其辐射损伤也有显著的差异。
However, while irradiated at elevated temperatures, even the irradiation dose-rate is higher, the radiation damage of the transistor has marked difference.
本文研究了吸收剂量，剂量率和预处理方法对再生丁基胶物理性能的影响。
In this paper, absorbed dose, dose rate, and pretreatment methods on properties of reclaimed butyl rubber are studied.
目的：观察低剂量辐射诱导胸腺细胞DNA裂解适应性反应的剂量率效应。
Objective To observe the dose-rate effects of adaptive response of thymocyte DNA lysis induced by low dose radiation.
最后，根据相同条件下测得的剂量率和对应的像素值，绘制剂量响应曲线。
Thirdly, a dosimetric response curve was drawn by the pixel values against their corresponding dose rates.
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。
If the dose rate at any time is known by actual measurement, the value at any other time can be estimated.
结果低剂量率辐照所致的细胞存活分数比高剂量率辐照所致的细胞存活分数高。
Results The cell survival fraction of low dose rate is higher than that of high dose rate.
在低剂量率时，分别给出了在考虑离子对样品的溅射和损伤的情况下的拟合曲线。
At low dose rate, several simulative curves were given when the sputtering of the intact sample molecules and the decomposition of the sample were taken into account.
目的评价比较CT定向组织间插植高剂量率近距离后装内放疗胶质瘤术后残瘤的疗效。
Objective To evaluate the effect of postoperative radiotherapy of glioma by CT guided interstitial irradiation brachytherapy of high dose rate.
讨论了散射线空气吸收剂量率的变化规律，给出了散射线空气吸收剂量率的估算公式。
The changes of scattered absorbed dose rate in various conditions were discussed, and the estimated formulas for scattered air-absorbed dose rate were given.
讨论了散射线空气吸收剂量率的变化规律，给出了散射线空气吸收剂量率的估算公式。
The changes of scattered absorbed dose rate in various conditions were discussed, and the estimated formulas for scattered air-absorbed dose rate were given.
应用推荐