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。
Deinococcus radiodurans, as a model organism in DNA damage and repair, is the most resistant bacterium to ionizing radiation.
人们是如何暴露在电离辐射下的？
物理致癌物质，例如紫外线和电离辐射；
physical carcinogens, such as ultraviolet and ionizing radiation;
人类每天都暴露在电离辐射下。
Human beings are exposed to natural radiation on a daily basis.
什么是电离辐射？
人们可能会因为核事故释放的小剂量电离辐射而致癌。
People can get cancer from low doses of ionizing radiation, the kind released in a nuclear accident.
电离辐射是一把双刃剑。
医用电离辐射是最大的人工辐射应用领域。
Medical ionizing radiation plays most part in artificial radiation application.
电离辐射的暴露以戈瑞(Gy)“吸入的剂量”来衡量。
Ionizing radiation exposure is measured as "absorbed dose" in gray (Gy).
辐射伤害：曝露在电离辐射中造成的组织损伤。
Radiation injury: Tissue damage caused by exposure to ionizing radiation.
手机发出的非电离辐射很弱，不足以断开化学键或破坏DNA。
The nonionizing radiation given off by cellphones is too weak to break chemical bonds or damage DNA.
电离辐射诱发的癌症称为放射性癌症或放射性肿瘤。
Cancers induced by ionizing radiation are called radiogenic cancers or radiogenic neoplasms.
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。
It’s a non-ionizing type of electromagnetic radiation, as opposed to the ionizing radiation used in radiation therapy, for example.
目的：观察低剂量电离辐射对组织器官所致的形态学变化。
Objective: To investigate the damage of tissue and organ induced by low doser-ray radiation.
作为电离辐射可引起化学反应，并导致许多物质发光或荧光。
As an ionizing radiation it can cause chemical reactions, and causes many substances to glow or fluoresce.
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。
Comprehensive Epidemiologic data Resource - studies and data related to dosimetry standards and health effects of ionizing radiation.
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。
Ionizing radiation is a known cause of certain types of leukaemia (a malignancy of blood cells).
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。
Ionizing radiations exerted profound effects on the reconstitution of Cu and Znin bovine erythrocyte superoxide dismutase.
电离辐射有抗肿瘤作用，其机制可能是通过诱导细胞凋亡实现的。
Ionizing radiation had antineoplastic function, one of the mechanism of which were realized by inducing tumor cell apoptosis.
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。
The lens of the eye is very sensitive to ionizing radiation and cataracts are known to result from effective doses of about 2 Sv.
结论：长期低剂量电离辐射对职业人员具有一定的辐射损伤效应。
Conclusion:Long-term ionization radiation of low dosage has certain damaging effect on the health of professional personnel.
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。
Cells of the hematopoietic system and gastrointestinal track are extremely sensitive to apoptosis induced by high-dose ionizing radiation.
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 sensitivity to high and low dose ionizing radiation was distinct in different area of the cortex.
放射诊断涉及两个电离辐射和非电离辐射，建立医疗诊断图像的使用。
Diagnostic radiography involves the use of both ionising radiation and non-ionising radiation to create images for medical diagnoses.
超声由于不使用电离辐射，与摄片，CT扫描和核医学成像技术，它通常被认为更安全。
Because ultrasound does not use ionizing radiation, unlike radiography, CT scans, and nuclear medicine imaging techniques, it is generally considered safer.
强调了极低剂量率电离辐射诱导适应性反应的可能及其剂量效应和时间效应关系的特点。
Emphasis is given to the characteristics of the dose response and time response relationships of adaptive response induced by extremely low dose rate ionizing radiation.
目前情况下值得忧虑的是电离辐射，它由重同位素——如碘131和铯137——自发衰变而生成。
Of concern in the current situation is ionizing radiation, which is produced by spontaneously decaying heavy isotopes, such as iodine 131 and cesium 137.
热辐射密度以核爆点距离平方倒数的速度衰减，爆炸、冲击波、致电离辐射效应的衰减速度则更快。
The intensity of thermal radiation decreases only as the inverse square of the distance from a nuclear detonation, while blast, shock, and prompt ionizing radiation effects decrease more rapidly.
热辐射密度以核爆点距离平方倒数的速度衰减，爆炸、冲击波、致电离辐射效应的衰减速度则更快。
The intensity of thermal radiation decreases only as the inverse square of the distance from a nuclear detonation, while blast, shock, and prompt ionizing radiation effects decrease more rapidly.
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