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91.
92.
Motoharu Suzuki Chisato Matsumura Takeshi Nakano Hiromasa Imaishi 《Environmental science and pollution research international》2012,19(9):3959-3968
Di-isopropylnaphthalene (DIPN) has highly persistent and bioaccumulative properties, and a large amount of DIPN is used as a PCB substitute in Japan. However, DIPN in the environment has not been thoroughly investigated. In addition, mono-isopropylnaphthalene (MIPN) and tri-isopropylnaphthalene (TIPN), which are the homologues of DIPN, have similar properties to DIPN. In this study, simultaneous analytical methods for MIPN, DIPN, and TIPN for air, environmental water, sediment, and biological samples were developed, and the resultant contamination caused by each in the environment was investigated. DIPN was detected at 1.1?±?0.38?ng/m3 in air and between <?1.9 and 9.8?ng/L in river water, but MIPN and TIPN were not. In Lateolabrax japonicas (Japanese sea perch), TIPN was detected from only females at between 0.65 and 1.4?ng/g-wet. DIPN was detected from all perches at between 1.2 and 3.4?ng/g-wet. DIPN and TIPN isomer fingerprints in females were different from those in the reference standard stock solution ones. In sediments, MIPN, DIPN, and TIPN were detected at between <?0.16 and 8.6?ng/g-dry, between <?1.1 and 4400?ng/g-dry, and between <?0.83 and 500?ng/g-dry, respectively. The contamination trend of DIPN in the sediments was similar to that of PCBs. 相似文献
93.
Shin-ichi Sakai Junya Yano Yasuhiro Hirai Misuzu Asari Ritsuki Yanagawa Takeshi Matsuda Hideto Yoshida Tetsuji Yamada Natsuko Kajiwara Go Suzuki Tatsuya Kunisue Shin Takahashi Keijiro Tomoda Joachim Wuttke Paul Mählitz Vera Susanne Rotter Mario Grosso Thomas Fruergaard Astrup Julian Cleary Gil-Jong Oh Lili Liu Jinhui Li Hwong-wen Ma Ngo Kim Chi Stephen Moore 《Journal of Material Cycles and Waste Management》2017,19(4):1295-1313
Although the 2Rs (reduce and reuse) are considered high-priority approaches, there has not been enough quantitative research on effective 2R management. The purpose of this paper is to provide information obtained through the International Workshop in Kyoto, Japan, on 11–13 November 2015, which included invited experts and researchers in several countries who were in charge of 3R policies, and an additional review of 245 previous studies. It was found that, regarding policy development, the decoupling between environmental pressures and economy growth was recognized as an essential step towards a sustainable society. 3R and resource management policies, including waste prevention, will play a crucial role. Approaches using material/substance flow analyses have become sophisticated enough to describe the fate of resources and/or hazardous substances based on human activity and the environment, including the final sink. Life-cycle assessment has also been developed to evaluate waste prevention activities. Regarding target products for waste prevention, food loss is one of the waste fractions with the highest priority because its countermeasures have significant upstream and downstream effects. Persistent organic pollutants and hazardous compounds should also be taken into account in the situation where recycling activities are globally widespread for the promotion of a material-cycling society. 相似文献
94.
95.
Nascimento Leonardo Kuramochi Takeshi Höhne Niklas 《Mitigation and Adaptation Strategies for Global Change》2022,27(6):1-19
Mitigation and Adaptation Strategies for Global Change - Climate adaptation is seen by many as increasingly important and as deeply political, leading some to argue for its democratization. Social... 相似文献
96.
Masaki Takaoka Nobuo Takeda Takeshi Fujiwara Masato Kurata Tetsuo Kimura 《Journal of the Air & Waste Management Association (1995)》2013,63(8):931-940
Abstract The control of Hg emissions from a municipal solid waste incinerator (MSWI) is very important, because more than 78% of municipal solid waste (MSW) is incinerated. The Hg content of coal used in utility boilers is relatively low in Japan. In this study, recent trends in the Hg content of MSW in Japan and activated carbon (AC) injection as a control technology of Hg emission from an MSWI are discussed. The effect of AC injection on Hg removal from flue gas in an MSWI was investigated by pilot-scale experiments using a bag filter (BF). The injection of AC increases the Hg reduction ratio by 20–30% compared with cases without AC injection. The Hg reduction ratio increases as the flue gas temperature decreases. The Hg reduction ratio is closely related to the inlet Hg concentration and was expressed with a Langmuir-type adsorption isotherm. 相似文献
97.
Takeshi?TakegakiEmail author Takashi?Kaneko Yukio?Matsumoto 《Die Naturwissenschaften》2012,99(4):285-289
Sneaking tactic, a male alternative reproductive tactic involving sperm competition, is generally adopted by small individuals
because of its inconspicuousness. However, large size has an advantage when competition occurs between sneakers for fertilization
of eggs. Here, we suggest that both large- and small-size advantages of sneaker males are present within the same species.
Large sneaker males of the dusky frillgoby Bathygobius fuscus showed a high success rate in intruding into spawning nests because of their advantage in competition among sneaker males
in keeping a suitable position to sneak, whereas small sneakers had few chances to sneak. However, small sneaker males were
able to stay in the nests longer than large sneaker males when they succeeded in sneak intrusion. This suggests the possibility
of an increase in their paternity. The findings of these size-specific behavioural advantages may be important in considering
the evolution of size-related reproductive traits. 相似文献
98.
99.
Suzuki Y Nakamura M Otsuka Y Suzuki N Ohyama K Kawakami T Sato K Kajita S Hishiyama S Fujii T Takahashi A Katayama Y 《Chemosphere》2011,83(6):868-872
We characterized the ability of the cell free extract from polychlorinated dibenzo-p-dioxins degrading bacterium Geobacillus sp. UZO 3 to reduce even highly chlorinated dibenzo-p-dioxins such as octachlorodibenzo-p-dioxins in incineration fly ash. The degradation of 2,7-dichlorodibenzo-p-dioxin (2,7-DCDD) as a model dioxin catalyzed by the cell free extract from this strain implicates that the ether bonds of 2,7-DCDD molecule undergo reductive cleavage, since 4′,5-dichloro-2-hydroxydiphenyl ether and 4-chlorophenol were detected as intermediate products of 2,7-DCDD degradation. 相似文献
100.