MURAL
发表于 2025-3-28 15:52:39
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Concrete
发表于 2025-3-28 19:17:51
Keratin Fiber Nonwovens for Erosion Control fabrics were characterized in ma-chine and cross directions for maximum load and elongation. Absorptive capacity and light transmission were also measured. The fabrics were successfully shown to prevent soil erosion.
一大块
发表于 2025-3-29 01:13:21
Environmentally Friendly Lyocell Fibersons. The viscose production line at Lenzing AG, Austria, which is based on dissolution of cellulose, is a simple and intrinsically clean route to regenerated fibers. The fiber products are presented, including recent developments of specialty fibers.
Individual
发表于 2025-3-29 05:44:24
Plastics and Composites from Soybean Oilic, carbon fiber, polyester, and cotton and jute fabrics. Polyurethane matrix resins are a viable alternative to epoxy and polyester matrix resins and they are already being used commercially in selected farm combine and automotive applications.
Ornament
发表于 2025-3-29 08:28:30
Plastics and Composites from Lignophenolsng the impact strength up to 35 fold in relation to that obtained with thermoset composites. The use of lignin as a partial substitute for phenol in closed cell lignophenolic foams reduces the thermal conductivity and allows classifying the lignophenolic foam as a thermal isolating structural foam.
assent
发表于 2025-3-29 11:26:00
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Infant
发表于 2025-3-29 18:04:19
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PAGAN
发表于 2025-3-29 20:03:27
K. Christian Schuster,Christian Rohrer,Dieter Eichinger,Josef Schmidtbauer,Peter Aldred,Heinrich Fir
大骂
发表于 2025-3-30 01:33:26
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厌恶
发表于 2025-3-30 07:17:14
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