照射剂量

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

以数字成像系统对体模组织对比度、组织细节的分辩能力分析研究DR系统、CR系统成像质量的差别，数字化X线摄影时图像获取工作站显示器分辨率、显示器亮度等对照射剂量的影响。

To assess and quantify the influence of monitor configures of image acquisition workstation in digital radiography on image quality and exposure dose .

降低照射剂量在头颅多排CT中的临床应用

The Application of Reducing the Radiation Dose of Head Multi-Detector Row CT

照射剂量因素间差异有显著性（P＜0.05）。

There was obvious difference among the factors of radiation doses ( P < 0.05 ) .

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

术前~（60）Co照射剂量和手术间隔时间对食管癌切除的影响

Impact of preoperative radial dosage and operative interval on surgical resection of esophageal neoplasm

目的探讨X射线诱导鼠脑神经元凋亡与照射剂量的关系及时间规律。

Objective To explore the correlation between X-ray-induced rat cerebral neuron apoptosis and radiation doses .

结论鼻窦低剂量CT扫描的正确应用，可以有效降低患者的受照射剂量。

Conclusion Low dose CT scanning in paranasal sinus examination reduces exposure of patients and hazards of exposure .

上海市九五期间X射线诊断医疗照射剂量水平调查

Investigation on dose levels of exposure to medical diagnostic X-ray procedures in the Ninth Five-Year Plan Period in Shanghai

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 .

目的：研究数字化X射线摄影系统图像获取工作站显示器配置不同对图像质量的影响及对被检者照射剂量的影响。

Purpose To research the image quality and irradiation dose with different monitor configures of image acquisition workstation in digital radiography .

大鼠胸腔淋巴结及外周血淋巴细胞染色体畸变与~（60）Coγ射线照射剂量的关系

Relationship between ~ ( 60 ) co gamma-ray dose and chromosome aberrations of lymphocytes in TLN and peripheral blood of rats

随着单次照射剂量的提高，以G1阻滞明显。

G1 block was observed following increased doses of irradiation .

结论血液光量子疗法能够诱导细胞内HSP70表达增多，且与UV照射剂量有关；

Conclusion Self-blood phototherapy can cause the expression of HSP70mRNA with relation to UV dose .

由吸烟所致~（210）Pb、~（210）Po照射剂量的研究

Study on irradiation dosage of ~ ( 210 ) pb , ~ ( 210 ) po caused by smoking

合肥地区医用诊断X射线工作者外周血T细胞总微核率和累积照射剂量的关系

The Relationship between the Total Micronuclear Rate of Peripheral Blood T & Lymphocyte and Cumulative Irradiated Dose of the Medical Diagnostic x Ray Workers in Hefei

C组：放疗时间5～6周（放疗结束时）、照射剂量50～60Gy。

Group C : radiotherapy time was 5-6 weeks , radiotherapy dose was 50-60 Gy .

在0～3000拉德范围内，两种细胞DNA单链断裂的程度基本一致，照射剂量与单链断裂的对数之间呈直线相关。

Although the radiosensitivity of these two types of mammalian cells is different , the extent of single strand breakage is approximately the same within the range of 100-3000 rads .

结果发现，胸腺、脾脏、肾上腺和肝脏LPO水平随照射剂量的增加而增高；

LPO levels in thymus , spleen , adrenal and liver increased with increase of doses .

职业外照射剂量，采用TLD剂量计测得。

Occupational radiation dose was detected by TLD dose meter .

目的研究直接数字化X射线摄影照射剂量与成像质量的关系，确定骨盆X射线摄影的最佳摄影条件。

Objective To investigate the relationship between exposure dose and image quality for a direct digital radiography system and to determine the optimum exposure parameters for pelvic examination .

目的探讨低强度激光辐照下其照射剂量与红细胞变形指数（EI）、红细胞电泳率（EM）改善效应之间的关系。

Objective To explore the dosage effects of low power laser irradiation on erythrocyte deformability and electrophoretic mobility .

3D组对比剂用量和X线照射剂量比2D组明显减少（P<0.05）。

Compared with 2D group , 3D group had a significant lower dosages of contrast medium and shorter time of X-ray fluoroscopy ( P < 0.05 ) .

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

脉冲Nd：YAG激光照射剂量对口腔溃疡组织中SOD活性和MDA含量的影响

Effect of different energy levels of pulsed Nd : YAG laser irradiation on the changes of SOD and MDA levels in ulcer tissue of oral ulcer model

结果：①A549细胞放疗后的生长抑制率随剂量的增加及时间的延长逐渐升高，呈照射剂量、时间依赖性。

A549 cell growth inhibition rate grows complying with increase of the irradiation dose and times after radiotherapy . 2 .

目的：选择合适的60钴（60Co）照射剂量制备饲养细胞。

Objective To select an appropriate dosage of irradiation with 60 Co for preparation of feeder cells .

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

给出了第二寿命成分τ2及其强度差△I2随照射剂量的变化。

The second lifetime component τ 2and its intensity difference △ I2 were presented .

结论直接数字化X射线摄影时通过增大照射剂量可以提高影像质量，但是当曝光剂量达到足够大时，再增大曝光剂量并不能显著改善图像质量，影像质量与曝光剂量间存在一个优化剂量。

Conclusion The image quality of direct digital radiography system is improved as the exposure dose increases , and as the exposure dose exceeds a certain threshold , the image quality will not change apparently .