内剂量

居民由食物所致内剂量估算方法

Methods for estimation of internal dose of the public from dietary

[结论]内剂量能更好地反映人群对氟的接触水平。

[ Conclusion ] The internal dose could reflect fluorine exposure level better .

BNCT人头体模内剂量分布计算

Calculation of physical dose distributions for the head phantom of BNCT

在剂量体积直方图（DVH）上分别对四组计划比较靶区和正常组织器官照射剂量、靶区内剂量分布均匀性和适行指数。

Compare the radiation dose of target volume and normal organs 、 dose distribution and conformal index in dose-volume histogram ( DVH ) .

结果尿中的PGA和MA含量与染毒剂量均呈正相关，由于存在一定的环境本底，MA比PGA在作为苯乙烯染毒内剂量的指标上更有代表性。

Results The result indicated that the content of urinary MA and PGA were associated with dosage positively , and MA may be more sensitive as inner dosage of styrene exposure since the background of PGA .

属正常本底范围。内剂量估算结果表明，我国居民经饮水摄入天然放射性核素所致内照射剂量低于UNSCEAR1986年报告的UNSCEAR估算值，而接近ICRP估计值。

And the results of estimation of internal doses from ingestion in the population of China is below the corresponding results given in UNSCEAR 1986 report , but near the results given by ICRP .

用热释光剂量计进行直肠内剂量测量是预测直肠并发症发生率的良好指针。

In vivo dosimetry using TLD during HDR intracavitary after-loading brachytherapy is a good predictor of late rectal complications .

模型表明，影响舱内剂量水平的主要因素是轨道高度，呈二次曲线形式；

The model indicates that the dose level in cabin is affected mainly by orbit altitude , with a quadratic curve in this model .

接触组工人铅的内剂量都较高，无论男、女，其血铅、尿铅水平均高于对照组，差异显著。

The internal dose , both blood lead and urinary lead , was significantly higher in both men and women of exposure group than that in control group .

尿金属硫蛋白与铅的内剂量有剂量-效应关系和剂量-反应关系，提示其可以作为铅致肾损伤的一个参考指标。

UMT showed significant dose-effect and dose-response relationship with internal dose of lead , which implied that it can be considered as an biomarker for lead induced renal dysfunction .

描述了一个新的大面积高分辨位置灵敏探测器，它主要适用于放射生物学和放射医学中大面积内剂量分布的测量。

A new large area position detector with high resolution has been described . It is suitable for measuring the dose distribution of large area in radiating biology and radiating medicine .

结论尿中1-萘酚和2-萘酚浓度均能够有效地反映个体短期多环芳烃暴露的内剂量水平，可用于焦炉工的生物监测。

Conclusions Naphthalene and its metabolites ( naphthols ) in urine could effectively reflect the magnitude of personal PAH exposure and their applications to the bio monitoring of coke oven workers were very promising .

即不仅能实现对靶区的三维适形计划，而且三维聚焦照射使得靶区剂量由外而内剂量越来越高，而靶区外周边剂量明显下降。

Not only we can make the three dimensional conformal radiotherapy ( 3DCRT ), but the target dose also becomes higher from outside to the inside of the tumor , so there is a difference of dose between the normal tissue and tumor area .

我国成年男子~（40）K所致内照射剂量估算

Estimation of Internal Dose from ~ ( 40 ) K for Chinese Adult Man

目的探讨在CT引导下经皮穿刺肝内不同剂量、不同浓度与不同温度乙醇注射对兔肝脏损伤的情况。

Objective To study percutaneous ethanol injection caused liver injures on rabbits with different doses , concentrations and temperatures .

随着X射线检查在医学上应用的日趋广泛和检查频率的不断增加，导致了在世界范围内辐射剂量的年集体有效剂量的增加。

However , annual effective doses of collectivity are worldwide growing with the increase of X-ray examination .

北京地区人骨中~（232）Th活度及所致内照射剂量

~ ( 232 ) th concentration in bones of Beijing residents and internal exposure dose

H′－NMR法研究PVA冻胶丝内溶剂量的变化

Study on the variety of solvent content in PVA gel filament by h ' - nmr

在细粒热释光测定年代中，真实的α剂量必须被转换成与β等效的内照射剂量，这个转换由α内照射效率K值完成。

It is important in fine-grain TL dating that the full α dose must be converted into the equivalent β dose .

北京居民骨中~（87）Rb比活度及所致内照射剂量估算

Determination of ~ ( 87 ) rb concentration in bone of Beijing residents and estimation of internal dose

研究人员决定重新研究维生素C对癌症的作用，因为尽管先前的研究已经检验过它，但是他们没有进一步研究静脉内注射剂量，仅仅停留在口服剂量上。

The researchers decided to revisit the effect of vitamin C on cancer because although previous studies had examined it , they had not looked further into the intravenous dose , only the oral dose .

用于内照射剂量估算的INDO计算机软件系统

Indo computer software system used to internal dose estimation

GM-CSF可以促进体外诱导人血管内皮细胞血管形成，并在一定范围内呈剂量及时间依赖效应。

GM-CSF promotes human vascular endothelial cells to form vessel-like structure in vitro in a dose-dependent and time-dependent manner .

结果发现，形态学观察细胞皱缩，核染色质凝聚或者断裂；MTT实验显示药物抑制Hep-2细胞增殖，并且存在着时间依赖和一定范围内的剂量依赖关系。

The results showed that antineoplastic drug inhibited the proliferation of Hep-2 cells in a time and dose dependent manner in vitro .

CRP（国际辐射防护委员会）的剂量系数估算方法确立以来，内照射剂量估算的主要问题变成了如何估算摄入量的问题。

According to the dose coefficient method of ICRP , the problem of internal radiation dosage estimation has turned into how to estimate the intake .

结论1、重组的tryptase可以促进AMLBMSCs高表达VEGF，在一定浓度范围内呈剂量依赖关系。

The reorganized tryptase could promote VEGF overexpression in AML BMSCs , showing a dose-dependent relationship in a certain range . 2 .

在给药后80min内可以剂量依赖性增加小鼠纹状体AA和HO·释放。

, significantly induced striatal AA and HO release with a dose-dependent manner in 80 minutes after administration .

生理条件下~（99m）Tc-植酸钠和~（99m）Tc-MDP的内照射剂量的计算

Calculation of irradiated absorbed dosage of ~ ( 99m ) Tc-MDP , ~ ( 99m ) Tc-sodium phytate under physiologic conditions

研究目的：通过随访调查曾在北京地坛医院住院治疗的SARS患者，了解短期内大剂量应用激素对股骨头缺血性坏死的影响。

Objective : Through the follow-up investigations by SARS patients of the Beijing DiTan hospital , understand the influence of the short-term large amounts of the hormone to ANFH .

与1990年ICRP推荐接轨的内照射剂量估算方法研究及其软件的开发

Study on Method of Internal Dose Assessment and Development of Software , According to 1990 ICRP ' Re-commendation