A 54-year-old man was admitted to our hospital due to exertional dyspnea. Chest radiography and CT revealed a large, thick-walled cavitary mass and a hydropneumothorax in the right lung in addition to a right hilar tumor and multiple small, thin-walled cavitary nodules (Picture 1). A transbronchial direct vision biopsy of the stenotic lesion of the right bronchus truncus intermedius revealed sq...

A novel dermatophyte species is described in the Microsporum cookei clade. It differs significantly from known taxa in the two molecular markers analyzed, i.e., ITS and partial β-tubulin (BT2). Morphologically the species was characterized by smooth- or only slightly rough-walled conidia, but isolates rapidly became pleomorphic with sparse, smooth- and thick-walled macroconidia in addition to m...

Time-dependent creep analysis is presented for the calculation of stresses and displacements of axisymmetric thick-walled cylindrical pressure vessels made of functionally graded material (FGM). For the purpose of time-dependent stress analysis in an FGM pressure vessel, material creep behavior and the solutions of the stresses at a time equal to zero (i.e. the initial stress state) are needed....

We demonstrate that a monolayer graphene membrane is impermeable to standard gases including helium. By applying a pressure difference across the membrane, we measure both the elastic constants and the mass of a single layer of graphene. This pressurized graphene membrane is the world's thinnest balloon and provides a unique separation barrier between 2 distinct regions that is only one atom th...

Infrared spectroscopy has been used to make the first experimental discrimination between molecules bound by physisorption on the exterior surface of carbon single-walled nanotubes (SWNTs) and molecules bound in the interior. In addition, the selective displacement of the internally bound molecules has been observed as a second adsorbate is added. SWNTs were opened by oxidative treatment with O...

Abstract The paper presents a new modeling technique for accurately predicting the complex behavior of thin-walled open and closed section beams made fiber-reinforced laminated composite materials. is significantly computational-efficient compared to detailed finite element modeling. In this technique, complete 3D stress analysis problem consisting all effects their couplings systematically dec...