Presentations - OTAKI Masahiro

41. Improvement of turbidity removal rate with visible light irradiation in the flocculation process

    Moriya Y. and Otaki M., International, 2015.08, , Water and Environment Technology Conference, Tokyo, Japan, Japan Society on Water Environment, Not Invited, Coauthor

42. オゾン／紫外線による1,4-ジオキサンの分解における照射波長特性

    長瀬智香，大瀧雅寛, Domestic, 2015.05, , 第24回日本オゾン協会年次研究講演会講演集, 東京, オゾン協会, Not Invited, Coauthor

43. 異なる波長による大腸菌の不活化と光回復効果

    高田園子，大畠麻優菜，大瀧雅寛, Domestic, 2014.09, , 第17回日本水環境学会シンポジウム講演集, 彦根市, 日本水環境学会, Not Invited, Coauthor

44. 浄水処理プロセスにおける紫外線照射による藻類増殖抑制(III)

    守屋良美，大瀧雅寛，野沢泰，川崎悦子，岩崎達行，廣戸裕子, Domestic, 2012.05, , 第63回全国水道研究発表会, 松江, 日本水道協会, Not Invited, Coauthor

45. Evaluation of the water quality from Sagami river areas by fluorescence analysis

    Kaiga N., Otaki M., Oshima M., Inoue H., Domestic, 2012.03, , 46th conference of Japan Society on Water Environment, Tokyo, Japan Society on Water Environment, Not Invited, Coauthor

46. Optimization of Questionnaire Survey by comparison of direct measurement value and etimated value

    Otaki Y., Otaki M., Leng P., Pham Ngoc Bao, Aramaki T., Domestic, 2012.03, , 46th conference of Japan Society on Water Environment, Tokyo, Japan Society on Water Environment, Not Invited, Coauthor

47. Development of chemical dosimetry for UV flow reactor using fluorescence analysis

    Fuzisaki M. Irokawa S. and Otaki M., Domestic, 2011.10, , the 4th IWA-ASPIRE conference, Tokyo, the 4th IWA-ASPIRE organizing committee, Not Invited, Coauthor

48. Comparison of the questionnaire and the direct measurement surveys for understanding the domestic water consumption in each purpose

    Ping Leng, Otaki M. and Otaki Y., Domestic, 2011.10, , the 4th IWA-ASPIRE conference, Tokyo, the 4th IWA-ASPIRE organizing committee, Not Invited, Coauthor

49. Micro-components survey of residential water consumption in Hanoi

    Otaki Y., Otaki M., P. N. Bao, H. Rei, and Aramaki, Domestic, 2011.10, , the 4th IWA-ASPIRE conference, Tokyo, the 4th IWA-ASPIRE organizing committee, Not Invited, Coauthor

50. Examination to control the algal growth in the water purification process by Ultraviolet radiation

    Moriya Y., Otaki M., Sekiyama M., Tateno I., Iwasaki T. and Hiroto Y., Domestic, 2011.10, , the 4th IWA-ASPIRE conference, Tokyo, the 4th IWA-ASPIRE organizing committee, Not Invited, Coauthor

51. An analysis of water consumption and prospects for implementing household water use demand management in Hanoi city

    Pham Ngoc Bao, Aramaki T., Otaki Y. and Otaki M., Domestic, 2011.10, , the 4th IWA-ASPIRE conference, Tokyo, the 4th IWA-ASPIRE organizing committee, Not Invited, Coauthor

52. Management of filtration pond in medium and small scale water works and application of UV treatment

    Takashima W. Ueki S. Kamiko N. Otaki M. Fujihara M. Ando S., Domestic, 2011.05, , The 62nd JWWA annual conference, Osaka, JWWA, Not Invited, Coauthor

53. Inhibition of Algal growth by UV irradiation through the water purification process - Consideration about change in Chlorophyl a-

    Moriya Y., Otaki M., Iwasaki T., Hiroto Y., Domestic, 2011.05, , The 62nd JWWA Annual Conference and Symposium, osaka pref., Japan water works association, Not Invited, Coauthor

54. Fluorescence analysis of fulvic acid in water supply.

    kaiga N., Sakamami T. Otaki M. Sera Y., Otani K., Yoshida T., Domestic, 2011.05, , The 62nd JWWA Annual Conference and Symposium, osaka pref., Japan water works association, Not Invited, Coauthor

55. Estimation of reduction ratio and variance in disinfection effect by low and medium pressure UV ramps

    Otaki M., Irokawa S., Fujiwara M., Ando S., Domestic, 2011.05, , The 62nd JWWA Annual Conference and Symposium, osaka pref., Japan water works association, Not Invited, Coauthor

56. Change of the Water Quality and the Landscape of Imperial Palace-gaien moats

    Kaiga N., Otaki M., Sera Y., Ito T., Domestic, 2011.03, , 45th conference of Japan Society on Water Environment, Sappro　(Event was cancelled), Japan Society on Water Environment, Not Invited, Coauthor

57. Development of UV dosimetry using fluorescence analysis

    Irokawa S., Otaki M., Domestic, 2011.03, , 45th conference of Japan Society on Water Environment, Sapporo (Event was cancelled), Japan Society on Water Environment, Not Invited, Coauthor

58. Evaluation of disinfection tolerance of heterotrophic bacteria by T-RFLP

    Mizozoe M., Kasuga I., Otaki M., Domestic, 2011.03, , 45th conference of Japan Society on Water Environment, Sapporo (Event was cancelled), Japan Society on Water Environment, Not Invited, Coauthor

59. The mechanism of microorganisms inactivation in composting toilet

    Kazama S., Otaki. M, International, 2010.09, , 7th International Symposium on Sustainable Water and Sanitation System, Paris, France, Not Invited, Coauthor

60. Byproducts in Ultraviolet treatment

    Takashima A., Fujiwara M., Ando S., Mitsui Y., Kamiko N., Otaki M., Asami M., Hara K., Domestic, 2010.09, , 13rd Simposium of Japan society on water environmet, Kyoto pref., Japan society on water environmet, Not Invited, Coauthor