讨厌
发表于 2025-3-23 12:13:42
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Pathogen
发表于 2025-3-23 13:57:25
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牲畜栏
发表于 2025-3-23 20:26:50
C. V. Howardf T. and the homology operations derived from the Dickson coinvariants of GL.. The theory is developed in a very simple way. As a consequence of this theory, we can describe what will be called the "extended Dyer-Lashof algebra" and the well known algebra in terms of the coinvariants of T. and the c
无节奏
发表于 2025-3-24 01:38:47
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猛然一拉
发表于 2025-3-24 04:11:26
C. Steenwegenence on algebraic topology was held. In the resulting proceedings volume, the emphasis is on substantial survey papers, some presented at the conference, some written subsequently.978-3-540-54098-4978-3-540-47403-6Series ISSN 0075-8434 Series E-ISSN 1617-9692
过度
发表于 2025-3-24 07:27:51
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娴熟
发表于 2025-3-24 14:40:16
G. W. Ten Tusscher,G. A. Stam,J. G. Koppealar curvature: this should happen exactly when there are no ..-valued obstructions coming from Dirac operators. When the universal cover does not have a spin structure, the conjecture says there should always be a metric of positive scalar curvature, and we prove this if the dimension is ≥5 and if
细丝
发表于 2025-3-24 17:08:38
Introductory Chapter: Awareness of the Health Impacts of Waste Management in Kos, Greece, November, 1998. The waste management and health scene is introduced by an outline of concerns relating to persistent organic pollutants, as well as through perspectives from Less Developed Countries and from industry. An overview of policy lines for waste management includes an asse
哄骗
发表于 2025-3-24 22:44:32
Persistent Organic Chemical Pollution: An Introductionnd in every part of the globe and in the body fat of every living creature. These compounds can be either intentionally released products (such as DDT), or unintentionally released as industrial chemical by-products (such as the dioxin-like substances). The majority of the dioxins and furans that ha
故意
发表于 2025-3-25 02:39:43
The Challenge to Achieve Better Landfills Where Only Dumps are Achieved Now: An Anthologyn the mistaken belief that it is the cheapest disposal method and the only one possible in places with difficult economic and social conditions. It is argued that this belief need not be true..In general, clean and healthy living conditions in cities, towns and villages cannot be achieved without re