独白
发表于 2025-3-25 05:40:06
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paroxysm
发表于 2025-3-25 09:06:12
Polymeric Additives for Polyvinyl Chloride,Polymers are commercially successful due to two characteristics: (1) the inherent physical and/or chemical properties are uniquely useful, and (2) the polymer will readily accept a wide array of modifying additives to alter the base properties for the better.
Basilar-Artery
发表于 2025-3-25 14:18:04
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Lumbar-Stenosis
发表于 2025-3-25 18:27:47
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离开
发表于 2025-3-25 21:16:45
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Conducive
发表于 2025-3-26 04:07:44
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FECK
发表于 2025-3-26 04:26:20
Bürgerbeteiligung und Kommunalverwaltungeric oxygen, moisture and pollutants. The extent of this degradation depends primarily on the presence within the polymer of light-absorbing structures. Polymers containing aromatic or carbonyl groups in their monomer unit are likely to absorb the terrestrial sunlight (wavelength λ>290nm) and usuall
Terminal
发表于 2025-3-26 10:12:21
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induct
发表于 2025-3-26 15:02:20
Werner Thole,Lukas Schildknechtly low stability of these materials and the consequent problem of protecting them during the processing stage as well as from the longer term photochemical ageing processes which lead to a deterioration of their physical properties. In the case of PVC, both processes take the form of a dehydrochlori
干旱
发表于 2025-3-26 20:41:27
An Event Recommendation Model Using ELM in Event-Based Social Network,m as a classification problem and ELM is extended as the classifier in the model. Extensive experiments are conducted on real EBSN datasets. The experimental results demonstrate that our approach is efficient and has a better performance than some existing methods.