EFFECT OF DRYING CONDITIONS ON THE COLLAPSE-PRONE WOOD OF EUCALYPTUS UROPHYLLA



Comparison of progressive collapse resistance of frame with specially shaped columns and frame with rectangular columns

RC frame structures with specially shaped columns and RC frame structures with rectangular columns are different types of structures with different column sections.A progressive collapse analysis model of RC frames was proposed using the beam-column element and Convertible Trousers joint element based on the program OpenSees.Progressive collapse pe

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Release of nickel and chromium ions from stainless steel brackets as a result of long-term exposure to commonly used toothpaste

Background: Brackets in fixed orthodontic appliances are mostly made from metal or stainless steel.Maintaining oral hygiene by brushing the teeth with toothpaste during orthodontic treatment is important.One of the ingredients in toothpaste, sodium fluoride, can cause degradation of the stainless-steel surface, which has the potential to corrode or

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