نتایج جستجو برای: detachment folding
تعداد نتایج: 42976 فیلتر نتایج به سال:
این پایان نامه در دو قسمت مجزا به صورت تئوری و عملی صورت گرفته است. در قسمت تجربی به سنتز و بررسی خواص اپتیکی و الکتریکی کوانتوم داتهای cdte و در قسمت تئوری به بررسی خواص اپتیکی نانولوله های کربن تک جداره در حضور میدان الکتریکی وابسته به زمان پرداخته شده است. قسمت 1: کوانتوم داتها، نانو بلورهای نیمرسانای صفر بعدی ای هستند که قطر فیزیکی آنها کمتر از شعاع بوهر اکساتیون است (1 تا 10 نانومتر). این...
We present a case of retinitis pigmentosa with vitreoretinal traction-associated retinal detachment. The retinal detachment was detected in the nasal periphery. No retinal breaks and no active vascular leakage were observed by fundus scopy and fluorescein angiography, respectively. However, 8 months later, the tractional retinal detachment was spontaneously resolved with posterior vitreous deta...
OBJECTIVE To document the spontaneous resolution of retinal detachment developing after macular hole surgery. METHODS We identified all patients who developed a postoperative retinal detachment after undergoing macular hole surgery at Washington University School of Medicine, St Louis, Mo; the surgery was performed by one of us (L.V.D.P. or H.J.K.) between 1991 and 1996. RESULTS Six of 73 e...
Abstract. Dating syntectonic sedimentary sequences is often seen as the unique way to constrain initiation, duration, and rate of folding well sequence deformation in shallow crust. Beyond fold growth, however, mesostructures accommodate internal strain pre-folding strata before, during, after tilting. Absolute dating syn-folding may help duration growth absence preserved strata. related early-...
We exploit the potential of magnetic fabrics acting as strain markers in folded layers, by analysing an exceptionally well-exposed, recent (<1 kyr) slump horizon unlithified lake deposits within Dead Sea basin. The ?3-m-long soft-sediment layer, together with underlying basal detachment, and ‘undeformed’ reference layer are extensively sampled (n = 97) for anisotropy susceptibility (AMS) analys...
Between 1975 and 1989, 11 eyes were treated for retinal detachments with both peripheral and full thickness macular breaks. Long term retinal reattachment was dependent on successful closure of peripheral retinal breaks. Direct treatment of the macular break was necessary in only one case, which redetached 3 months after vitrectomy. Vitrectomy is not the initial treatment of choice for uncompli...
For a graph G, a detachment operation at a vertex transforms the graph into a new graph by splitting the vertex into several vertices in such a way that the original graph can be obtained by contracting all the split vertices into a single vertex. A graph obtained from a given graph G by applying detachment operations at several vertices is called a detachment of graph G. We consider a detachme...
The relationship between retinal detachment and posterior lens capsule rupture in pseudophakic patients was studied. Records of patients with pseudophakic retinal detachment who were admitted to Siriraj Hospital from 1992 to 2004 were reviewed. The patients were divided into 2 main groups: 1) The study group (pseudophakic retinal detachment) 79 eyes (78 cases) which was subdivided into group 1a...
abstrac: in recent years, honey bee products other than just honey such as pollen, propolis, waxes and venoms have gained considerable attention. hive is the most important tool in honey bee industry, the proper construction of which could play a key role in improving honey bee production. since 1382, investigations have been done on hives made inside the country to eliminate deficiencies s...
This research studied the efficacy of bibliotherapy in detachment anxiety and depression of children of divorced parents. Through random sampling 30 children were selected from 6to8- year-old children of divorced parents in Isfahan. Then, they were assigned to the experimental and control groups. The research design was a semi-experimental one pretest and posttest were administered to the cont...
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