By means of analyzing some major factors that effected on ascertaining results of γ-ray radiac instrument and modifying preparation technique of test piece of coal for γ-ray radiac instrument, ascertaining errors between the results of instrument and chemical analysis were decreased.

The hardware designing of a simulative training device for the radiac based on SCM

基于单片机技术的辐射测量模拟训练装置硬件设计

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Measuring error analysis& control of γ-ray radiac Instrument for measuring ash content of coal

浅析γ辐射煤灰分仪的测量误差与改进

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One Effective Method Constructing the Fast-frequency Hopping Detector with the Radiac Set

一种用辐射计构建快速跳频探测器的方法

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Analysis of Bandwidth and Radiant Efficiency of Microstrip Antenna Based on MEMS

基于MEMS微带天线带宽和辐射特性的分析研究

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The result shows that the thermal stress, distortion and radiant efficiency of noise are decreased compared with conventional saw.

结果表明，与普通锯片相比，它们都能有效的降低热应力应变，能降低辐射效率，但发生强烈振动的几率增大。

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The main reason for the failure of NPC radiotherapy is that there are a certain percentage of radioresistant cells in the NPC tissues, which not only have higher radioresistance, but also are more aggressive after radiotherapy, prone to lymph node and distant metastasis.

放疗失败的主要原因是NPC组织中存在一定比例的放疗抗拒细胞，放疗后残留的这些肿瘤细胞不仅放射抗拒性增强，而且更具侵袭性、容易发生淋巴结和远处转移。

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Silicon carbide ( SiC), which has large band gaps, high critical breakdown field strength, high electron mobility and good thermal conductivity, is considered as an ideal material to manufacture the optoelectronic integrated device with high temperature, high frequency, high power and radioresistance.

SiC以其特有的大禁带宽度、高临界击穿场强、高电子迁移率、高热导率等特点，成为制造高温、高频、大功率、抗辐照及光电集成器件的理想材料。

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According to the steep drop of number of splenic cells with increase of radiation dose, it was further ascertained that relative radioresistance was present in NK, cells, indicating radiation hormesis on NK cell activity at lower doses of radiation was possible.

根据全脾细胞数量随照射剂量增加发生的急剧变化，进一步验证了NK细胞具有相对辐射抗性。基于本实验结果，提出了低剂量辐射对NK细胞活性可能具有辐射刺激作用。

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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.

研究了耐辐射菌对60Coγ射线的辐射抗性，观察不同剂量照射后，细菌中蛋白质含量、辐照剂量及照射后培养不同时间的关系。

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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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