全部文献期刊学位论文会议报纸专利标准年鉴图书|学者科研项目
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作者:L. Ritter , A. Ares
来源:[J].Forest Ecology and Management(IF 2.766), 2017, Vol.384, pp.236-247Elsevier
摘要:Abstract(#br)During the last three decades, the area dedicated to tree plantations in northeast of Argentina has increased five-fold at the expense of the native semideciduous Atlantic Forest. Silvicultural practices such as thinning affect the understory and forest floor increme...
作者:L. Ritter , U. Miehe ...
来源:[J].Der Radiologe(IF 0.468), 2013, Vol.53 (9), pp.800-804Springer
作者:L. Ritter , P.-M. Jervøe-Storm
来源:[J].Clinical Oral Investigations(IF 2.2), 2014, Vol.18 (4), pp.1229-1236Springer
摘要:Abstract(#br) Objectives(#br)The present study compares the diagnostic value of periodontal bone defect images using conventional two-dimensional single-tooth radiographs and three-dimensional cone beam computed tomography (CBCT) images.(#br) Materials and methods(#br)Classified ...
作者:L. Ritter , N. C. I. Goushleff ...
来源:[J].Journal of Toxicology and Environmental Health, Part B(IF 3.896), 2006, Vol.9 (6), pp.441-456Taylor & Francis
摘要:In recent years, there has been escalating concern over the possible association between exposure to pesticides and adverse human health effects by a number of non-governmental organizations, professional and public interest groups. Recognizing the need to document the scientific...
作者:L. Ritter , G. Wood
来源:[J].Food Additives & Contaminants: Part A(IF 2.22), 1989, Vol.6 Suppl 1, pp.87-94Taylor & Francis
摘要:Pesticides are registered in Canada under the authority of the Pest Control Products Act, administered by the Department of Agriculture. Pre-market registration requirements include submission of extensive toxicology data in order to allow evaluation of potential human hazards wh...
作者:... G. B. Sanglang , L. Ritter , G. C. Becking
来源:[J].Journal of Environmental Science and Health, Part B(IF 1.211), 1981, Vol.16 (6), pp.649-689Taylor & Francis
摘要:The present study was undertaken to determine if the feeding of Lake Ontario salmon containing a mixture of chemical contaminants, could produce a toxicological response in rats. Male and female rats were fed freeze-dried Lake Ontario or Pacific Coho salmon for 28 days at levels ...
作者:L. Ritter , R. J. Norstrom ...
来源:[J].Journal of Environmental Science and Health, Part B(IF 1.211), 1984, Vol.19 (8-9), pp.713-731Taylor & Francis
摘要:Lake Ontario coho salmon were known to contain a mixture of chemical contaminants. A previous study demonstrated that rats fed the Lake Ontario fish-supplemented diet for 28 days exhibited mild biochemical and histological changes. The purpose of the present study was to determin...
作者:L. Ritter , V. E. Valli
来源:[J].Journal of Toxicology and Environmental Health, Part A(IF 1.733), 1980, Vol.6 (2), pp.421-432Taylor & Francis
摘要:The combined effects of polychlorinated biphenyls (PCBs) or a polybrominated biphenyl (PBB) with mirex, kepone, or photomirex were investigated in rats. Groups of 10 animals were fed diets containing the organohalogens alone or in various combinations for 28 d. Body weight gain a...

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