Abstrak Selama uji tak rusak untuk sistem bar bumper logam, itu adalah masalah kritis yang tidak dapat mengidentifikasi gelombang yang dipantulkan. Berdasarkan inspirasi gelombang-terpandu dan melalui banyak pembelajaran simulasi, makalah ini secara sistematis menganalisis keadaan uji mutu untuk sistem bar bumper logam pada empat aspek berikut: wilayah, waktu, lebar kepala-gelombang dan laju ya...

Percutaneous endoscopic gastrostomy (PEG) has been used for providing enteral access to patients who require long-term enteral nutrition for years. Although generally considered safe, PEG tube placement can be associated with many immediate and delayed complications. Buried bumper syndrome (BBS) is one of the uncommon and late complications of percutaneous endoscopic gastrostomy (PEG) placement...

in the present paper, employing a complete model of a passenger car, contribution of various components and assemblies in the frontal crash energy absorption is determined. thickness of components with more remarkable contribution is increased to improve the occupant safety. furthermore, effects of substituting the metallic bumper with one fabricated from gmt materials on the frontal crash beha...

There is an increased study for considering the precise decisions on the design concept (DC) and material concurrently at the early stage of development of product. Inappropriate decisions on DC and material always lead to huge cost involvement and ultimately drive toward premature component or product failure. To overcome this problem, concurrent engineering (CE) is an approach which allows de...

The effect of the use of a lip bumper with anterior vestibular shields on the maxilla was studied in twenty-two 9-14-year-old children with a space deficiency in the maxillary dental arch. The lip bumper was used for 1 year. The effect of the treatment was evaluated from dental casts and profile cephalograms made before and after treatment. Both the width of the maxillary dental arch at the pre...

A 63-year-old woman with recent cerebrovascular accident, presented with hematemesis 15 days aft er placement of a percutaneous endoscopic gastrostomy (PEG) for dysphagia. She was afebrile, had no abdominal pain, and white blood cell count was normal. Urgent upper endoscopy showed that the PEG bumper was embedded within the gastric mucosa and eroded into the abdominal wall. Th ere was signifi c...

Lip bumper treatment has been shown to successfully increase arch width, procline the incisors, and distalize molars. However, few studies have been performed showing the long-term stability of lip bumper treatment. In this study, mandibular casts taken by a single practitioner from 51 patients treated with lip bumpers without rapid palatal expansion were analyzed at pretreatment, post-lip bump...