Aphorism
发表于 2025-3-23 11:40:40
P. Grusslem can be solved by performing schema transformations to conform the views being integrated so that merging of classes and attributes becomes possible (schema restructuring). Previously, researchers have approached schema restructuring in an informal manner, offering heuristics to guide practitione
邪恶的你
发表于 2025-3-23 14:54:04
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你敢命令
发表于 2025-3-23 18:12:49
E. Canaani,O. Dreazen,M. Horowitz,A. Klar,D. Ram,J. Cohen,G. Rechavi,D. Givoln stages, both database behavior and the existence of multiple user views of the database. It utilizes the structure and capabilities of parameterized Petri nets (PPNs) described in . Petri nets are traditionally found useful for describing conditions and events that constitute a dynamic system.
Saline
发表于 2025-3-23 22:47:35
Attenuation in the Control of Gene Expression in Animal Virusessynthesized in optimal amounts. This could be accomplished by a mechanism which somehow couples transcription in the nucleus to translation in the cytoplasm. A mechanism of gene regulation which couples transcription and translation, termed “attenuation” exists in procaryotes. This control is manife
observatory
发表于 2025-3-24 05:28:34
The Use of Reassortant Bunyaviruses to Deduce their Coding and Pathogenic Potentialsor domestic animals (e. g. Rift Valley fever virus), or are of no apparent impact to man’s economy (e. g. snowshoe hare, SSH, virus). The familial characteristics of the member viruses include a genome consisting of 3 negative sense RNA species designated on the basis of size as L (large), M (medium
让你明白
发表于 2025-3-24 10:30:47
Genetic Diversity of Bunyaviruses and Mechanisms of Genetic Variationics (1). Some of these viruses can infect the central nervous system or cause haemorrhagic fever in man and other animals. The viruses are generally spherical, 80-110 nm in diameter, and contain three nelical nucleocapsids. The genome comprises three segments of single-stranded negative sense RNA de
虚弱
发表于 2025-3-24 12:23:12
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hypertension
发表于 2025-3-24 15:48:29
Persistent Paramyxovirus Infections in Vitro and in Vivoof societies including in excess of tens of thousands of people a continued virus perseverance required persistence in individuals of the infectious agent in the absence of obvious signs of disease. Thus not many millenia ago viruses only occurred in the form of persistent infections. This talent fo
脊椎动物
发表于 2025-3-24 21:07:26
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Affable
发表于 2025-3-25 00:50:03
Mechanism of Adeno-Associated Virus Latent Infection is uncoated in the nucleus and can integrate into the cellular DNA. The integrated DNA exists as a head-to-tail tandem repeat and the junctions with cellular DNA specifically involve the terminal repetition of the virion genome. The latent viral genome is efficiently rescued by superinfection of th