Deinococcus radiodurans, as a model organism in DNA damage and repair, is the most resistant bacterium to ionizing radiation.
耐辐射奇球菌作为DNA损伤和修复的典范生物，是对电离辐射最有抵抗力的细菌。
什么是电离辐射？
Ionizing radiation is a two-edge sword.
电离辐射是一把双刃剑。
Are people normally exposed to ionizing radiation?
人们是如何暴露在电离辐射下的？
physical carcinogens, such as ultraviolet and ionizing radiation;
物理致癌物质，例如紫外线和电离辐射；
Ionizing radiation exposure is measured as "absorbed dose" in gray (Gy).
电离辐射的暴露以戈瑞(Gy)“吸入的剂量”来衡量。
Radiation injury: Tissue damage caused by exposure to ionizing radiation.
辐射伤害：曝露在电离辐射中造成的组织损伤。
So, which orbital would we take an electron out of if we were ionizing this atom here?
那么，如果我们要电离这个原子，应该拿走那个轨道上的电子？
Ionizing radiation is a known cause of certain types of leukaemia (a malignancy of blood cells).
电离辐射是导致某些类型白血病(一种血细胞恶性肿瘤)的一种已知原因。
Radiography is the use of ionizing electromagnetic radiation such as X-rays to view objects.
放射学是利用电离电磁辐射，如X射线视图对象。
Cancers induced by ionizing radiation are called radiogenic cancers or radiogenic neoplasms.
电离辐射诱发的癌症称为放射性癌症或放射性肿瘤。
People can get cancer from low doses of ionizing radiation, the kind released in a nuclear accident.
人们可能会因为核事故释放的小剂量电离辐射而致癌。
Cell phones emit "non-ionizing radiation," similar to the kind produced by microwave ovens and cordless phones.
手机发出的是“非离子化辐射”，类似于微波炉和无绳电话发出的那种。
In Part II we'll look at the consequences we can expect when ionizing radiation interacts with biological material.
在第ii部份我们将学习在游离辐射与生物介质相互作用时如何预期其结果。
Results: the sensitivity to high and low dose ionizing radiation was distinct in different area of the cortex.
结果：淋巴结皮质的不同区域对高、低剂量电离辐射的敏感性均不同。
Results The expression of ATM protein decreased with increased sensitivity to ionizing radiation in brain gliomas.
结果A TM蛋白在脑胶质瘤中的表达随放射敏感性的上升而下降。
Micronucleus (MN) assay in peripheral lymphocyte was used to appraise cell genetic toxic effect from ionizing radiation.
采用外周血淋巴细胞微核率等指标评价辐射所致细胞遗传毒性效应。
Ionizing radiations exerted profound effects on the reconstitution of Cu and Znin bovine erythrocyte superoxide dismutase.
电离辐射对牛红细胞超氧化物歧化酶的铜锌重组产生重大影响。
That indicates that a lot of new stars are forming inside them, and "they are producing lots of ionizing photons, " he says.
他说：“这表明有许多新恒星正在这些星系中形成，而且正在产生许多具有电离作用的光子。”
The lens of the eye is very sensitive to ionizing radiation and cataracts are known to result from effective doses of about 2 Sv.
眼球晶状体对电离辐射非常敏感，据知约2sv的有效剂量即可导致白内障。
Selectively ionizing atoms (or molecule) can be easily performed by means of a multistep resonance photoionization technique.
通过多步谐振光电离技术可以实现对原子(或分子)选择性的电离。
It’s a non-ionizing type of electromagnetic radiation, as opposed to the ionizing radiation used in radiation therapy, for example.
不过，有别于化疗时的电离辐射的是，手机辐射是非电离性的。
Comprehensive Epidemiologic data Resource - studies and data related to dosimetry standards and health effects of ionizing radiation.
与放射量测定标准和电离辐射对健康的影响有关的研究及数据。
Cells of the hematopoietic system and gastrointestinal track are extremely sensitive to apoptosis induced by high-dose ionizing radiation.
血液系统和胃肠道细胞极易产生高剂量射线电离辐射所诱导的凋亡。
This course is an introduction to basic properties of ionizing radiations and their uses in medicine, industry, science, and environmental studies.
本课程是介绍游离辐射的基本特性，与其在医学、工业、科学、与环境研究上使用的介绍。
On a molecular level these effects to the organism are caused mainly by the damage induced by the ionizing radiation to the DNA of the living cell.
从分子水平来看，电离辐射对生物体的损伤主要是由于电离辐射引起了生物细胞内DNA分子的损伤。
On a molecular level these effects to the organism are caused mainly by the damage induced by the ionizing radiation to the DNA of the living cell.
从分子水平来看，电离辐射对生物体的损伤主要是由于电离辐射引起了生物细胞内DNA分子的损伤。
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