radon
radon
1. A radon leakage test for ABS polymer cup
ABS塑料样品杯氡气密封性的测试
2. CD-L1 flow-type solid radon seed
CD-L1型流气式固体氡源
3. A NEW TYPE OF TL ENVIRONMENT RADON MONITOR
一种简单的热释光环境氡累积型监测器
4. Generally, indoor radon is the main source of construction materials, such as granite, tile and plaster, particularly the stones containing radioelement Yi release radon.
一般说来，建筑材料是室内氡最主要的来源，如花岗岩、瓷砖及石膏等，特别是含有放射性元素的石材易释放出氡。
5. No matter the single-seasonal values or annual averages, the radon concentrations in tunnels are quite higher than that in basements of buildings and underground shopping centers.
不管是单季还是年平均值,各城市三类工程的氡浓度都遵循隧道类工程远大于结建式硐室工程和单建式硐室工程的规律。
6. Experts noted that the current urban living environment is the main source of radioactive hazards of indoor radon and radioelement content standard building materials.
专家指出，目前城市生活环境中主要放射性危害的来源有室内氡气及放射性元素含量超标的建筑材料等。
7. Due to its low content of mineralized ingredients and high percentage of radon, the spring water, tasting pure, sweet and cold, is an ideal beverage for health.
且龙井之水，十分奇特，搅动时，水面会出现一条分水线，仿佛游丝摆动，然后慢慢消失。
8. Scientists in China,Russia,and the United States measure radon in ground water.
中国,俄国和美国的科学家们测量地下水中的氡.
9. Studies of indoor action level of radon in China
中国室内氡行动水平的研究
10. The three factors must be taken into consideration to reduce radon concentration to a reasonably acceptable level so that the uranium well can be kept in its best working condition with minimum radiation.
为了把铀矿井平均氡浓度降到一个合理的可接受水平,必须对这三个因素综合考虑,使铀矿井处于最佳工作状态和最优的辐射水平。
11. To improve the detectable limit of radioactive aerosol monitors, it is very important to eliminate the inter-ference of the natural background, i.e. radon and thoron daughter aerosol.
为提高放射性气溶胶监测仪的灵敏度,消除天然本底即氡子体气溶胶的干扰是极为重要的。
12. This text has been described detailedly on the questions of source and danger of the radon in the indoor environment.
主要对室内环境中氡的来源、危害做出详细的介绍。
13. The main problems are related to seepage of carbon dioxide, hydrogen sulphide, radon and other gases from soil cavities directly into indoor air through perforations in the structure.
主要的问题在于二氧化碳、硫化氢、氡气和其它的气体从土壤的缝隙中直接透过建筑物渗入室内的空气中。
14. The research results of the effect of covered soil density on reducing radon emanation rate are introduced.
介绍了覆土密度对降低氡析出率影响的试验研究结果。
15. Where radon comes from?What s the hazard of radon?The preparation of the radonpreventing coatings and its performance are mtroduced.
介绍氡的逸散来源、对人体的危害及防氡建筑涂料的生产和性能。
16. For the purpose of practical application,the authors have designed a visual and integrated radon data processing system,whose software can realize preprocessing,emendation and plotting of radon data.
从实际应用出发,设计开发了可视化和集成化的测氡数据处理软件系统,便于对实测数据进行预处理、校正与成图。
17. Then the characteristic that the black strips are perpendicular to the motion-blur direction was proved in theory and experiment, and the black strips were detected by RADON transformation.
从理论证明和实验说明指出暗条纹的方向与模糊方向垂直的特性，并采用RADON变换方法检测这些暗条纹。
18. It suggested research the geological sources of radon in the environment and how to control radon level indoor.
从而启发人们研究环境中氯的地质来源、以及控制室内氡水平问题。
19. Exemplified by the Qixian geothermal area, this paper points out that the combination of the radon surveying method and the magnetic method is an effective means in search for geothermal resources.
以祁县地热区为例，说明测氡法与磁法相结合是寻找地热资源的一种行之有效的手段。
20. However, all the scientists agree that more data is necessary to prove that radon levels in water are associated with the possible birth of an earthquake.
但是,所有科学家都同意还需要有更多的数据才能证明水中氡含量与可能发生地震之间有着联系。
21. The Action Level of Radon Iindoors
关于室内氡的行动水平
22. Among them, clear water for the state AAAA Spa Bay area, is the world apart from Switzerland, the only one element containing radon hot springs.
其中，碧水湾温泉为国家AAAA景区，是全世界除了瑞士之外、仅有的一个含有氡元素的温泉。
23. These results are valuable for reasonably determining the radon eduction rate in remedial action on decommissioned uranium mine.
其结果对铀矿山退役治理中氡析出率的合理确定具有一定的参考价值。
24. radon seed driver for pan-endoscope
内脏窥镜氡小管放置器
25. We have showed that the Radon transform of the cross Wigner distribution function is a separable multiplication of fractional Fourier transform of these functions.
分析了交叉魏格纳分布函数中的拉冬变换是这些函数中分数傅里叶变换的可分乘法。
26. Analyses are made of muddy concepts currently existing in the understanding of radon risk and evaluation in this paper, in particular either carelessness or extreme nervousness for the presence of radon risk.
分析了当前有关氡危害与评价中的一些模糊认识,主要是对氡的危害满不在乎或草木皆兵的认识,也包括一些概念问题。
27. The measurement results of indoor radon in the populous place of Chengdu were analysed.
分析了成都市某人口密集区室内氡水平的调查结果及其影响因素。
28. The model can be applied not only on reasonably explaning series of phenomena in the process of earthquake monitoring by Radon, but also on forecasting earthquake and geostatic pressure of other projects by Radon monitoring.
利用该模型不仅可以对氡法监测地震资料中的大量现象做出合理的解释，而且对应用氡法预报地震工作和定性监测其它工程中的地应力变化情况具有重要意义。
29. The properties of Boolean Radon Transform (BRT)were further studied with its boundary support function (BSF).
利用边界支撑函数(BSF),对布尔雷唐变换的性质进行了进一步的研究。
30. radon content meter for prospecting purposes
勘探用氡成分计
31. NUCLEAR ENERGY. MEASUREMENT OF RADIOACTIVITY IN THE ENVIRONMENT-AIR. RADON 222 AND ITS SHORT-LIFE DECAY PRODUCTS IN THE ATMOSPHERIC ENVIRONMENT: THEIR ORIGINS AND MEASURING METHODS.
原子能词汇。周围空气中辐射测量。在大气环境中氡222和其短程升降损害产物:它们的来源和测量方法。
32. Some chemical and radiological substances such as asbestos and radon also increase the risk of the cancer.
另外,吸入某些化学及放射物质如石棉和氡亦会增加患肺癌的机会。
33. And the result is given in field.It can be used to measure radon in air, water and soil and thorium emanation (220Rn).
可用于室内测氡、壤中测氡、水溶液测氡以及钍射气测量等领域。
34. Meanwhile, study and utilization of radon and its daughters is one of the standard for gaseous substance of radioactive measurement in ionizing radiation metrology.
同时,研究和利用氡及其子体,也是电离辐射计量学中气态放射性物质测量具有标志性的重要标准之一。
35. Cigarette smoking and radon exposure are the two leading risk factors that induce lung cancer.
吸烟和氡暴露是导致肺癌的两个主要危险因素。
36. The average radon concentration inside the emporium was 34.10+9.42 Bq/m~3 with the total effective dose per year of 1.0709 mSv.
商场平均氡浓度结果分别为34.10±9.42 Bq/m~3，营业员氡暴露的年总有效剂量为1.0709mSv。
37. Indoor air pollutions caused by house decoration mainly include formaldehyde, benzene, ammonia and radon gas.
因装修引起的住宅室内空气污染主要包括甲醛污染、苯类污染、氨气污染和氡气污染。
38. Passive inhalation ("secondhand smoke") is linked to lung cancer in nonsmokers. Other risk factors include exposure to radon or asbestos.
在不抽烟的人当中,被动吸烟的人也与肺癌发病有关。其它的致癌因素还包括曝露在氡和石绵的环境下。
39. In layers deep containing uranium, radium, thorium in the soil, rocks, one can find high concentrations of radon.
在地层深处含有铀、镭、钍的土壤、岩石中人们可以发现高浓度的氡。
40. The major factors to influence the radon risk perception included education degree and type of employment, perc eption was lower in those miners with low education or temporally employed.
在影响非铀矿山工人对氡致健康危害正确认知水平的 因素中，受教育程度与氡认知水平正相关；
41. In this paper,the migration model based on the theoretical hypotheses,with the help of the computer simulation,have designed the simulation system of radon and its daughters.
在氡及其子体运移假说的基础上,将计算机模拟技术引入氡运移的研究中,开发出一套在理想条件下氡及其子体运移的模拟系统。
42. The characteristics of radon water anoma-lies were summarized by means of analysing the distribution of radon waters in granites,volcanicrocks,carbosilicic mudstones and sedimentary basins.
在研究分析花岗岩、火山岩、碳泥岩及沉积盆地中氡水分布规律的基础上，概括总结了氡水异常特点。
43. In all the 290 research dwellings, 45 (23%) have indoor radon level above 150 Bq/m 3, a limit value of indoor radon concentration suggested by U.S. Environmental Protection Agency.
在进行调查的 1 90个居室中 ,有 4 5个 ( 2 3% )居室室内氡浓度超过美国环境保护局制定的 1 4 8Bq/m3室内氡浓度的上限值。
44. Of all the 28 dwellings surveyed, 6 dwellings (21%) have indoor radon levels above 200 Bq/m~3, a limit value of indoor radon laid down by China Environmental Protection Agency.
在进行调查的28个居室中,有6个(占21%)居室内氡浓度超过我国住房内氡浓度控制标准GB/T16146-1995中已建住房的室内氡浓度上限值(200Bq/m3)和国际辐射防护委员会制定的200Bq/m3的上限值。
45. the radon level in the basement was impermissibly high.
地下室的氡含量超标。
46. The construction materials used in highrise building of urban modernization and central heating,cool-making and close rooms cause indoor radon pollution as one kind of noticeable harm.
城市现代化建设中高层建筑使用的建筑材料及其采用的集中供暖、制冷,以至房间常常处于封闭状态,使得室内氡污染成为一种不容忽视的环境危害。
47. Radon chamber detecting system based on PCI bus
基于PCI总线的氡室检测系统
48. GENERALIZED RADON TRANSFORM-BASED CRS STACK
基于广义Radon变换的共反射面元叠加方法
49. Natural surface water supplies generally carry little threat of human radiation contamination because radon volatilizes into the atmosphere.
天然的地上水供应一般带有极少的对人类有危险的放射性污染物。
50. he tested for the presence of radon.
她作了很多试验来检验这种物质是否存在。
51. She said nobody in the UK had raised the issue of granite worktops emiting radon and Stone Federation supports the use of granite in domestic premises.
她还说没有任何人在英国提及有关花岗岩的氡放射问题，石材联盟十分支持在国内使用花岗岩。
52. If ventilation is poor, radon will accumulate in indoor areas.
如室内空气不流通,散发出来的氡气会积聚在室内。
53. If indoor radon concentrations in the control standard within the medical significance to human health will not bring the injury.
如果室内氡浓度被控制在标准范围内，则对人体健康不会带来医学意义上的损伤。
54. If granite, brick sand, cement and gypsum type, especially with radioelement natural stones, Yi release radon.
如花岗岩、砖砂、水泥及石膏之类，特别是含有放射性元素的天然石材，易释放出氡。
55. Seminar on the harm, prevention and treatment of indoor radon sponsored by Nanhua University is held in the People's Great Hall, Beijing.
学校举办的室内氡气的危害与防治研讨会在北京人民大会堂举行。
56. It can he used to survey radon content both in air and soil.
它能对室内和室外空气和土壤中的氡，能进行现场，瞬时探测。
57. Where does the indoor radon come from?
室内氡气是从哪里而来?
58. The hazard and control measures of indoor radon
室内氡的危害及控制措施
59. SOURCE, LEVEL AND CONTROL OF INDOOR RADON
室内氡的来源、水平和控制
60. Indoor environment for thousands of varieties of hazardous substances, the most important are : radon, radioelement, formaldehyde, benzene, ammonia, PVC, nitrogen oxides and carbon oxides.
室内环境的有害物质达数千种之多，其中最主要的有：氡、放射性元素、甲醛、苯、氨、聚氯乙烯、氮氧化物和碳氧化物等。
61. Family health is poor, over-decorated indoor toxic chemicals (such as formaldehyde, radon gas, etc.) exceeded.
家庭卫生差，过度装修使室内有毒化学物质（如甲醛、氡气等）超标。
62. The relation ship between the generalized Radon transform and Gegenbauer polynomial is studied,are generalized. The results of Deans and Ludwig.
对于广义Radon 变换，本文得到了它与Gegenbauer多项式的关系式，推广了Deans 和Ludw ig 的工作
63. This paper presents discussions of the radon-affecting factors and radon prevention measures.
对有关影响因素和防氡措施进行了讨论。
64. Any of several radioactive gases that are isotopes of radon and are products of radioactive decay.
射气几种氡的同位素的放射性气体，是放射性物质衰变的产物
65. The emanation scintillation method to determine the radon content is the principal way.
射气闪烁法是测氧的主要方法。
66. Store harm to the human body by radioelement radium 226 mainly from the decay of radioactive radon (radon and their sons body).
居室内对人体造成危害的主要是由放射性元素镭226衰变产生的放射性氡气(氡及其子体)。
67. The Health Effects of Exposure to Indoor Radon
年发表的室内氡照射的健康影响报告
68. When radon gas emitted as springs, very quickly, a phenomenon opal.
当氡气随泉水喷出，速度很快，便出现乳白现象。
69. When the radon levels of the water subside and drop back to normal readings, an earthquake may occur.
当水中氡的含量下降，回到正常读数时，地震就可能发生。
70. Volatile toxic gases may with the passage of time, gradually reduced to the level of security, but not because of time indoor radon reduction, and its parent radionuclide half-life is very long.
挥发性有害气体可能随着时间的推移，逐渐降低到安全水平，但室内氡不会由于时间的推移而减少，而且它的母体核素半衰期很长。
71. According to Zhang doctors, decorative stones can release the material a radon, radon is a colourless radioactive gas, is the concrete construction materials containing granite released.
据张医生介绍，装饰材料中的石材可释放出一种氡气，氡气是一种无色无味的放射性气体，是含花岗石的混凝土建筑物料释放出来的。
72. Abstract Both radon and thoron exposure monitoring method at the same time, and thoron exposure only monitoring method with absorber discriminating radon are developed.
摘要 研究了平行测量氡、气土 暴露量和加吸收体甄别掉氡的直接测量气土 暴露量的两种方法 ,并建立了简易刻度系统。
73. The environment Radon logger FD216 is an instantaneous surveying instrument in situ.
摘要FD216型环境氡测量仪是在现场瞬时测量氡的仪器。
74. Soil natural thermoluminescence surveying is an accumulation method of measuring radon and it can measure radon in a long time.
摘要土壤天然热释光测量方法是一种累积型测氡方法。
75. Lithologic reservoirs may form radioactive radon anomalies at surface, which generally assume the annular anomaly pattern.
摘要岩性油藏在地表可产生放射性氡异常，呈环状模式。
76. The 19 samples from different building material factories were collected for four kinds of building materials.The activity concentration and radon exhalation of building materials were measured.
摘要收集了4类共19个来自不同生产企业的建筑材料样品，对样品的放射性活度浓度和氡析出率进行测量。
77. According to the characteristics of activated carbon absorbing the radon, the sorption action of activated carbon absorbing the radon has been studied in this paper.
摘要针对活性炭对氡有较强的吸附能力的特性，研究了在大气环境中活性炭对氡的吸附行为。
78. IMPROVED THOMAS FORMULA FOR RADON MEASUREMENT
改进的托马斯测氡公式
79. The radioactive dust will contribute to higher levels of uranium and radon.
放射性尘埃会形成铀和氡的高值。
80. In this paper, 222 Rn concentrations in domestic water, indoor radon from domestic water supplies , behaviours of indoor radon in water and exposure from using of radon bearing water are discussed in this paper.
文章论述了家庭生活用水的氡浓度水平、生活用水对室内氡的贡献、水的使用过程中室内氡行为以及含氡水的使用与辐射照射剂量的关系等问题。
