Ceramic
发表于 2025-3-23 10:20:08
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hypotension
发表于 2025-3-23 16:12:02
Michael C. Newman,Mark Crane,Graham Holloways by the requirement that certain subpictures must be cycles or elementary cycles. We investigate basic properties of context-free cycle and elementary cycle grammars with emphasis on the complexity of the recognition problem. In particular, it is shown that the description complexity is polynomial
种类
发表于 2025-3-23 21:29:26
Premasis Sukul,Michael Spiteller NP-complete problem, even for binary trees. Therefore, we design layout graph grammars which guarantee polynomial time constructions of optimal layouts of graphs. This is achieved by the restriction to polynomial graph grammars and layout specifications, which can be computed efficiently by an attr
接触
发表于 2025-3-24 00:13:56
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anthropologist
发表于 2025-3-24 02:21:12
Terminology of Gonadal Anomalies in Fish and Amphibians Resulting from Chemical Exposures,
FLIT
发表于 2025-3-24 10:04:02
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使绝缘
发表于 2025-3-24 13:01:37
Does Pesticide Risk Assessment in the European Union Assess Long-Term Effects?,sk assessment process, more postauthorization monitoring should be done..The application of Occam’s razor to pesticide risk assessment makes good sense, as it does in any other field of science. However, we must take care that simplicity in risk assessment process does not lead to oversimplification:
虚假
发表于 2025-3-24 18:04:42
Sulfonamides in the Environment as Veterinary Drugs,ot be characterized as readily biodegradable. Their adsorption to soil increases with the aromaticity and electronegativity of functional groups attached to the sulfonyl phenyl amine core. Preferential flow in clay soils has been identified as a mechanism responsible for surface water contamination by SAs.
AVANT
发表于 2025-3-24 22:14:20
0179-5953 ificant areas of accomplished or needed endeavor in the total field of xenobiotics, in any segment of the environment, as well as toxicological implications..978-1-4899-9645-9978-0-387-32885-0Series ISSN 0179-5953 Series E-ISSN 2197-6554
Sinus-Rhythm
发表于 2025-3-25 02:43:11
Does Pesticide Risk Assessment in the European Union Assess Long-Term Effects?,ion-based laboratory studies should be applied in predictive pesticide risk assessment. Second, ERA should include as much effort on collating and integrating ecological knowledge into the assessment in Tier 1 as is currently expended on gathering chemical and toxicological information on exposure a