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49篇 您的检索式:作者名="TOKONAMI"
    题名 作者 年代 出处 被引量
1某铀尾矿库周边地区氡调查显示文摘采用中国的KF6 0 6氡累积探测器和日本的MK -Ⅱ氡 /气土 累积探测器 ,对某尾矿库周边地区空气中氡浓度范围、氡浓度的方位分布和距离分布等进行了调查。调查历时 1年 ,每个测量点同时采用这两种仪器。杨明理 Shinji Tokonami 蔡振民 李先杰 何文星 2002核技术2002,25,7:7
2个旧市郊室内氡、钍射气浓度和地面γ辐射水平初步调查显示文摘目的调查个旧地区居室内氡(^222Rn)、钍射气(^220Rn)及其子体水平,明确钍射气的剂量贡献。方法考虑住宅类型和地理分布因素,从个旧市郊某村选取建筑结构有代表性的50户住宅的主卧室,采用氡-钍射气鉴别探测器测量氡、钍射气浓度,用沉积率装置测量钍射气子体浓度。其中14间居室采用连续性氡测量探测器和α谱氡、钍射气鉴别探测器测量氡、钍射气浓度,空气采样滤膜结合CR-39探测器测量钍射气衰变产物浓度,碘化钠闪烁计数器测量地表γ剂量率。结果50间居室的氡浓度为32~498Bq/m^3,平均136Bq/m^3;钍射气浓度为39~7908Bq/m^3,平均3297Bq/m^3;钍射气子体浓度为2.0~23.9Bq/m^3,平均10.2Bq/m^3。钍射气子体衰变产物致居民年平均有效剂量大于氡子体衰变产物的平均年有效剂量(2.9mSv vs 1.6mSv)。结论个旧市郊部分居室室内钍射气及其子体浓度高,钍射气子体的剂量贡献要高于氡子体的剂量贡献。在个旧开展氡致肺癌危险评价研究应当考虑钍射气子体的剂量贡献。雷淑洁 Shinji TOKONAMI 孙全富 Tetsuo ISHIKAWA Yosuke KOBAYASHI 李小娟 闵向东 武国亮 Shinji YOSHINAGA 尚兵 2008中国职业医学2008,35,3:6
3Instrument performance of a radon measuring system with the alpha-track detection technique 显示文摘TOKONAMI S ZHUO W RYUO H 2003Radiation Protection Dosimetry2003,103,1:1
4Radon-thoron discriminative measurements in Gansu province, China and their implication for dose estimates 显示文摘YAMADA H SUN Quanfu TOKONAMI S 2006Journal of Toxicology and Environmental Health Part A2006,69,:1
5Structure and crystal chemistry of a dense polymorph of tricalcium phosphate Ca3 (PO4)2: A host to accommodate large lithophile elements in the earth’s mantle显示文摘K. Sugiyama M. Tokonami 1987Physics and Chemistry of Minerals1987,,2:1
6Effects of activity size distribution on dose conversion factor for radon progeny 显示文摘ISHIKAWA T TOKONAMI S YONEHARA H 2001Hoken Butsuri2001,36,4:1
7New descrip- tion of long period stacking order structures of martensites in β-phase alloys 显示文摘OTSUKA K OHBA T TOKONAMI M 1993Seripta Metall Mater1993,29,10:1
8Dupalanomaly of Brazilian carbonatites geochemical correlations with hotspots in the South Atlantic and implications for the mantle source 显示文摘TOYODA K H H TOKONAMI M 1994Earth and Science Letter1994,126,4:1
9Structure and crystal chemistry of a dense polymorph of tricalcium phosphate Ca3(PO4)2: A host to accommodate large lithophile elements in the earth' s mantle显示文摘Sugiyama K Tokonami M 1987Phys Chem Minerals1987,15,:1
10Review : Micro - and Nanos-ized Molecularly Imprinted Polymers for High - throughput Ana-lytical Applications 显示文摘Tokonami S Shiigi H Nagaoka T 2009Anal Chim Acta2009,641,12:1
11Dupal anomaly of Brazilian carbonatites; geochemical correlations with hotspots in the South Atlantic and implications for the mantle source显示文摘Kazuhiro Toyoda Hiroyuki Horiuchi Masayasu Tokonami 1994Earth and Planetary Science Letters1994,126,4:1
12Thyroid doses forevacuees from the Fukushima nuclear accident显示文摘TOKONAMI S HOSODA M AKIBA S 2012Sci Rep2012,2,:1
13Calculation of dose conversion factors for thoron decay products 显示文摘Ishikawa T Tokonami S Nemeth C 2007Journal of Radiological Protection2007,27,:1
14International inter - comparisons of integrating ra-don detectors in the NIRS radon chamber显示文摘Miroslaw Janik Shinji Tokonami Tibor Kov6cs etal 2009AppliedRadiation and Isotopes2009,67,9:1
15Activity concentrations of environmental samples collected in Fukushima Prefecture immediatelyafter the Fukushima nuclear accident显示文摘HOSODA M TOKONAMI S TAZOE H 2013Scientific Reports2013,3,:1
16A simplepassive monitor for integrating measurements of indoorthoron concentrations 显示文摘Zhuo W Tokonami S Yonehara H 2002Rev Sci Instrum2002,73,:1
17Development of an electrochemical cholesterol sensor system for food analysis显示文摘NAGAOKA T TOKONAMI S SHIIGI H 2012Analytical Sciences2012,28,2:1
18On the calibration of a radon exhalation monitor based on the electrostatic collection method and accumulation chamber显示文摘TAN Yanliang TOKONAMI S HOSODA M 2015Journal of Environ mental Radioactivity2015,144,:1
19Calculation of dose conversion factors for thoron decay products显示文摘ISHIKAWA T TOKONAMI S NEMETH C 2007Journal of Radiological Pro- tection2007,27,:1
20Eft)cts of activity size distribution on dose conversion factor for radon progeny显示文摘Ishikawa T Tokonami S 2001Japan J Health Phys2001,36,4:1
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