在水泥的原料和最终产品的放射性变化，从一个国家到另一个内同一类型的材料，从不同的地点。
The radioactivity in raw materials and final products of cement varies from one country to another and also within the same type of material from different locations.
刚刚过去的暖冬，和科学家们有关气候变化的灾难性警告，使许多民众都相信，二氧化碳排放要比核电厂事故或者放射性废料危险的多。
A warm winter, and dire warnings by scientists about climate change, convinced many that carbon emissions might be a bigger danger than nuclear accidents or radioactive waste.
以后的三十年里，物理学发生了天翻地覆的变化：电子、原子核、放射性、量子理论、相对论相继出现。
The next three decades turned physics on its head, with the discovery of electrons, atomic nuclei, radioactivity, quantum theory and the theory of relativity.
他向普渡大学的研究者提出建议：寻找地球上放射性元素衰变速率的变化同太阳自转的关系。
His advice to Purdue: Look for evidence that the changes in radioactive decay on Earth vary with the rotation of the sun.
对于放射性物质危险性不断变化的评估而引发的愤怒和建议全都指向了东京电力公司。
Anger at the ever changing assessments of the radiation dangers and advice has so far been directed at Tepco.
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.
通过16口浅层自然伽马能谱测井资料分析黄河三角洲浅层放射性的区域变化状况。
The radioactivity variation of the shallow part of Yellow River delta with the natural gamma ray spectrum logging from 16 Wells is studied.
放射性核素分布变化与肝损伤类型有较好的相关性。
The changes in distribution of radioactive nuclide are correlated with the types of liver injury.
放射性核素分布变化与肝损伤类型有较好的相关性。
The changes in distribution of the radioactive nuclide were correlated to the types of the hepatic injury.
目的应用螺旋ct肺密度测定软件，根据肺密度变化，找出与放射性肺损伤之间的相关因素，探讨其应用价值。
Objective To evaluate lung density variation in radioactive lung injury by lung density detecting software of helical ct.
几天之后，测验封闭在里面的空气是否有放射性。如果有的话，说明营养物质多少已经产生代谢变化。
After several days, the enclosed atmosphere was tested for radioactivity, which might indicate that the nutrients had somehow been metabolized.
目的应用放射性核素动态显像评价先天性无肛畸形术后患儿排便功能的变化情况。
Objective To evaluate the functional changes of defecation in patients with post-operation of anorectal malformation by means of radionuclide dynamic imaging.
为了评价地下水水流条件的变化对放射性核素迁移行为的影响，该文以双重介质理论的裂隙迁移模型为基础，提出了非恒定流条件下单裂隙核素迁移模。
To assess how such changes may affect the nuclide transport behavior, the paper proposes a single fracture nuclide transport model under time-varying groundwater flow conditions based on t.
观察治疗前后两组患者放射性食道炎的发生率及T淋巴细胞亚群的变化。
Then evaluated any changes in the incidence of radiation esophagitis for the patients and t Lymphocyte subsets.
MDM2基因的变化及蛋白的高表达可能与放射性皮肤溃疡癌变及不愈合有关。
It's suggested that the changes of p53 and MDM2, genes and proteins, may be related to the cancer transformation and poor healing of radiation-induced skin ulcers.
目的应用已制备的兔肝硬化肝癌模型观察肝病状态下肝癌照射后放射性肝损伤的细胞因子的变化。
Objective To observe the changes of the cytokines following stereotactic irradiation for hepatocarcinoma with cirrhosis in rabbits.
目的：探讨内皮素- 1 (et - 1)作为一种早期放射性肺损伤诊断及病情变化的血清学标志物的可能性。
AIM: To explore the possibility of endothelin-1 (ET-1) as a serological marker of early diagnosis and progression of radiation induced lung injury.
方法对正常对照组11例小儿和病例组43例无肛畸形术后患儿进行放射性核素动态显像，对比观察排便功能曲线、排空率、半排时间和残留率的变化情况。
Methods The case group included 43 patients with post-operation of anorectal malformation and the normal group involved 11 children. Both groups underwent radionuclide dynamic imaging.
目的观察放射性舌炎病损局部病损组织血管内皮细胞损伤的动态变化，分析其与放射性舌炎病损程度的相关性。
Objective To explore the correlation between the severity of radiotherapy-induced glossitis (RTG) and the injury of endothelial cells in the local tissues in a rat model.
方法：采用放射性核素显像法，观察滋养动脉结扎后兔股骨或胫骨血供的变化。
Methods:Radionuclide imaging was used to survey the change of the femoral or tibial blood supply after ligating nutrient artery in rabbits.
应用超声心动图技术和放射性免疫测定法对100例高血压病患者左房血流动力学变化与血浆心钠素水平的关系进行分析研究。
The relationship of atrial plasma natriuretic factor (PAN F) in 100 hypertension patients and 50 normal ones for control were studied by echocardiography and radioimmunoassay.
应用超声心动图技术和放射性免疫测定法对100例高血压病患者左房血流动力学变化与血浆心钠素水平的关系进行分析研究。
The relationship of atrial plasma natriuretic factor (PAN F) in 100 hypertension patients and 50 normal ones for control were studied by echocardiography and radioimmunoassay.
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