In this paper, the radioresistance of bacterium Deinococcus radiodurans to 60Co γ-rays and the relationship between the protein content in the bacterium and the irradiation dose as well as the time after irradiation were studied.

SiC has wide application in the field of high temperature, high frequency, high power and radioresistance because of its excellent physics and electronic characteristics, such as wide band gap, high breakdown electrical field and high thermal conductivity.

碳化硅（SiC）由于具有宽禁带、高击穿场强、高热导率等优异的物理及电子学特性，使其在高温、高频、大功率及抗辐射等领域具有广阔的应用前景。

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Because of the great change in its mitochondria and mitochondrial DNA, the respiratory deficiency yeast mutants show radiosensitivity at dose less than 1 Gy and radioresistance at doses higher than 1 Gy.

结果发现，呼吸缺陷型酵母菌株因其线粒体及线粒体DNA发生突变，在离子束辐照时，在低剂量区域表现出较高辐射敏感性，在高剂量区则表现出对于辐射的抗性。

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The paper gives a review on progresses of the studies on the gene and enzyme related to the radioresistance of glioma, and the external environment and other issues about reversion of the radioresistance.

本工作就胶质瘤细胞辐射抗性相关的基因、相关的酶、细胞外环境的作用及辐射抗性逆转的几个问题展开了讨论。

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The comparison of the sensitivity of different methods in rec-assay with spore DNA of B llus subtilis STUDY ON THE RADIORESISTANCE OF BACILLUS SUBTILIS SPORE AND ESCHERICHIA COLI

枯草杆菌芽胞DNA重组试验不同方法敏感性的比较枯草杆菌芽胞与大肠杆菌对电离辐射抗性的研究

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Hypoxia is the one of the main causes of radioresistance in malignant tumors. It is hypothesized that methods which can reduce the extend of hypoxia in tumors would improve the effects of radiotherapy.

恶性肿瘤组织存在乏氧状况是其放射抵抗的主要因素之一，改善乏氧状况有助于提高放射治疗效果。

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The radiation resistance of NK cells in the experiment is similar to other results. The tonsillar NK cells activated in the state of chronic inflamation has higher radioresistance.

本文报道的NK细胞抗辐射的结果与文献报道的结果相近，而且被慢性炎症激活的扁桃体NK细胞具有更高的抗辐射能力。

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Comparatively, as IRM-2 mice are of radioresistance, the role of DNA damage caused by radiation and damage repair can be observed directly invivo.

相比之下，具有辐射抗性的IRM-2小鼠是极好的实验对象，能直接观察活体动物的辐射损伤及修复。

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It is proved that over-expression of survivin in some kinds of malignant cancerous cell lines is related to the radioresistance induced by radiotherapy.

Survivin参与肿瘤细胞分化并抑制肿瘤细胞凋亡，它的高表达被证明与很多恶性肿瘤对放射治疗中产生辐射抗性相关。

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According to the recent study, the extreme radioresistance of this bacterium was attributed to its powerful DNA repair efficiency and its strong antioxidant capacity.

目前认为它之所以具有这种极端的辐射抗性特征是因为它拥有高效的DNA修复能力和超强的抗氧化能力。最近有研究显示，细胞内积累的锰铁离子比例与其辐射抗性正相关。

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Radiotherapy is one of the major treatment modalities for cancers. But the radioresistance of some cancer cells has a significant effect on the treatment results.

放射治疗是肿瘤临床治疗的主要手段之一，但部分瘤细胞对放射线的抵抗性严重影响肿瘤的治疗效果。

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Objective To investigate the role of XRCC repair genes in radioresistance of IRM-2 inbred mice.

目的分析XRCC修复基因在IRM2近交系小鼠辐射抗性产生中的作用。

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Glioma is the most common neoplasm in brain, which is commonly considered as the tumor tissues with high radioresistance.

胶质瘤是最常见的脑肿瘤，也是辐射抗性较强的肿瘤组织。

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Clarifying the mechanisms of radioresistance in cervical cancer could provide the theoretical basis for individual treatment of cervical cancer patients. 2.

意义：1.阐明宫颈癌放疗耐受的机制将有望为设计宫颈癌的个体化治疗提供理论基础。

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Relationship between the Relative Content of DNA and Protein and the Radioresistance in Deinococcus Radiodurans

DNA相对含量与抗辐射菌辐射抗性间的关系

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So the super radioresistance of D.radiodurans may have close relation with its antioxidant capacity.

因此，D.radiodurans超强的辐射抗性可能与其抗氧化能力密切相关。

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Study on the radioresistance of Bacillus subtilis spore and Escherichia coli

枯草杆菌芽胞与大肠杆菌对电离辐射抗性的研究

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Therefore, more research on its radioresistance was mainly focusing on its DNA-repairing mechanism.

因此，国内外对耐辐射奇球菌辐射抗性的研究主要集中在其DNA修复机制上。

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Establishment of Radioresistant Esophageal Cancer Cell Line and Its Radioresistance Mechanism

放射抗拒食管癌细胞系的建立及抗拒机制研究

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However, intrinsic radioresistance of cancer cells limits therapeutic efficacy.

但是肿瘤细胞固有的放射抵抗性降低了放射治疗的效果。

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A New Thermocouple of High Stability High Reliability and Good Radioresistance

高稳定性高可靠性耐辐照新型热电偶

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