نتایج جستجو برای: yttrium aluminum garnet
تعداد نتایج: 57477 فیلتر نتایج به سال:
PURPOSE To report the case of a patient who developed late capsular block syndrome and to review the current literature regarding this complication of phacoemulsification procedures. METHODS The literature was reviewed to summarize the diagnosis, classification, use of diagnostic aids, and the current treatments for this complication. RESULTS A 69-year-old patient complained of decreased vi...
Background Historically, rosacea treatments consisted of prescribing oral antibiotics, steroids, and isotretinoin, focusing more on the immediate eruption of the disease rather than the lasting vascular and fribrotic sequelea. More recently, Intense Pulse Light (IPL) has been shown to aid in the resolution of the vascular telangiectasia and general erythema. To this point, no modality has effec...
Hardness is too complex to be described by first principles. Based on the dielectric chemical bond theory, a semiempirical approach for the evaluation of the hardness of ionic oxide crystals has been proposed. It was applied to predict the hardness of complex crystals such as the optical crystals yttrium aluminum garnet, the LaMgAl11O19 aluminates, and the high-Tc superconductor YBa2Cu3O7. The ...
Considerable discussion still centres around the relative merits of the Argon and Neodymium Yttrium Aluminum Garnet (NdYAG) lasers for the endoscopic treatment of gastrointestinal haemorrhage, although both are undoubtedly effect. We have carried out experiments to elucidate which factors determine the safety and efficacy of NdYAG laser photocoagulation. Histological studies on normal gastric m...
All-optical addressing and coherent control of single solid-state based quantum bits is a key tool for fast and precise control of ground-state spin qubits. So far, all-optical addressing of qubits was demonstrated only in a very few systems, such as color centers and quantum dots. Here, we perform high-resolution spectroscopic of native and implanted single rare earth ions in solid, namely, a ...
A 37-year-old woman with a 20-year history of ulcerative colitis (UC) was admitted with complaints of cough and increasing sputum production. Chest computed tomography showed severe stenosis of the left main bronchus and bronchiectasis of the left lower lobe. Biopsy specimens from the area of bronchial stenosis showed chronic inflammation with lymphocyte infiltration, and we diagnosed respirato...
BACKGROUND Urethral polyps are rare benign pathologies seen in the male posterior urethra, more frequently originating from verumontanum. In this article, we aimed to discuss diagnosis and treatment of a urethral polyp causing hematuria and urinary infection in a 3-month-old male infant. This is the first case in the literature in which a urethral polyp is treated with Holmium yttrium-aluminum-...
Carcinoid tumors are recognized as a low-grade malignancy. Recurrence of bronchopulmonary typical carcinoids is extremely rare. We herein report a case of recurrent multiple intraluminal bronchial typical carcinoids that were successfully removed using argon plasma coagulation by bronchoscopic approach. A 48-year-old man, who had undergone resection of a pulmonary typical carcinoid 8 years prev...
BACKGROUND Bouveret's syndrome is an unusual presentation of duodenal obstruction caused by the passage of a large gallstone through a cholecystoduodenal fistula. Endoscopic therapy has been used as first-line treatment, especially in patients with high surgical risk. CASE PRESENTATION We report a 67-year-old woman who underwent an endoscopic attempt to fragment and retrieve a duodenal stone ...
We have measured the melting curve of ethane from 300 to 450 K. Our results indicate that describe all data above triple point, it is necessary account for a kink in where phase III–phase IV solid–solid transition intersects curve. In solid state, we observe some evidence new existing close observed decomposition at high pressure and temperature can be catalyzed by ruby or samarium-doped yttriu...
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