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3篇 您的检索式:作者名="A.IWATA"
    题名 作者 年代 出处 被引量
1Epidemiology of blood donors in Japan, positive for hepatitis B virus and hepatitis C virus by nucleic acid amplification testing显示文摘H.Murokawa A.Yoshikawa H.Ohnuma A.Iwata N.Katoh M.Miyamoto H.Mine H.Emura K.Tadokoro 2005Vox Sanguinis2005,,1:1
2The architecture of delta sigma analog-to-digital converters using a voltage-controlled oscillator as a multibit quantizer显示文摘A.Iwata N.Sakimura M.Nagata T.Morie 1999IEEE Transactions on Circuits and Systems Part Ⅱ:Analog and Digital Signal Processing1999,,07:1
3BALLOON OBSERVATION OF VERTICAL DISTRIBUTION OF OZONE AND AERO SOL IN ATMOSPHERE FROM 0 TO 33 km显示文摘Ozone is one of the trace gases in atmosphere. Although it is very small in amount,it is of great importance to human being and biosphere because it absorbs effectively and cuts down the intensity of the solar ultraviolet radiation.In recent years, what the public are concerned of is the perturbation in the amount of O3 in the atmosphere resulted from human activities. The variation of ozone in atmosphere would affect photochemical reactions to a great extent. In addition, ozone acts as a thermal source in stratosphere. Con-石广玉 许黎 吕位秀 任丽新 游荣高 M.TAKAGI A.IWATA Y.MORITA Y.KONDO 1987Chinese Science Bulletin1987,32,16:0
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