Acrylic bone cements (ABC) are widely used in orthopedics for joint fixation, antibiotic release, and bone defect filling, among others.However, most commercially available ABCs exhibit a lack of bioactivity and are susceptible to infection after implantation.These disadvantages generate long-term loosening of the prosthesis, high morbidity, and pr
In order to study the effect of the fire on the workers,the PyroSim was used to simulate the fire of in grain reserve storages in this paper.The Toothbrush widely used warehouse was selected as the research object,and the physical model was established.Aiming at the fire scenario caused by phosphine fumigation port,the development of fire smoke and
Sand waves are large-scale bed forms commonly occurring on the continental shelf seabed and can result in free spans of submarine pipelines, which may have an influence on the stability of the pipelines.Existing span rectification procedures have primarily focused on local rectification methods for free spans caused by local scour or individual spa
In the real world, health professionals need to care for individuals with asthma-like symptoms who have a persistently negative bronchodilator response (BDR).Little is known about the evolution of symptoms and lung function of these individuals because they are usually excluded from studies on asthma.The aim of this study was to evaluate whether in