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Wostatnich latach rury wykonane z poliamidu 12 (PA12) są poddawane dokładnym badaniom pod kątem ich zastosowania w gazowych instalacjach wysokociśnieniowych o ciśnieniu roboczym sięgającym 20 barów (290 psi). Po uzyskaniu ogólnie pozytywnych wyników w studiach wykonalności i rozmaitych instalacjach próbnych, przemysł gazowy przeszedł do wykonania pierwszych instalacji eksploatacyjnych, aby uzyskać...
A series of experiments were conducted to stabilize the phenolics in foundry sands from Kansas using four different types of binders - Portland cement, fly ash, kaolinite, and bentonite. Strength and leachability of stabilized mixes of foundry sand were analyzed to assess their feasibility in construction and geotechnical applications. The results suggest that compressive strength was acquired relatively...
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