نتایج جستجو برای: permanent displacement
تعداد نتایج: 116516 فیلتر نتایج به سال:
In this paper, two-dimensional deformation analysis of the Gotvand-Olya dam is done using daily, monthly, seasonal and annual displacement vectors derived from permanent observations of the dam geodetic monitoring network. The strain tensor and its invariant parameters like dilatation and maximum shear are computed as well. Nonlinear finite element interpolation based on C1 Cubic Bezier int...
Dental ectopia is a rare developing anomaly characterized by change in the normal eruption pathway of deciduous, permanent or supernumerary tooth. In some cases, ectopic teeth are present non-dentate area like maxillary sinus. The article presents cone beam computed tomography data 7 asymptomatic patients with totally partially located inside Dentigerous cysts and odontomas can cause displaceme...
In rural Ermenek a temporal displacement is observed within the framework of climatic cycle and economic inputs. This spatial movement rhythmically evolves into vineyard settlement for agricultural purposes, plateau animal husbandry, winter settlement. Each these settlements forms its own pattern based on temporary permanent status. study focuses Ermenek, mainly abandoned in summer months, inte...
This paper presents work on the development of a microfluidic device using super-paramagnetic beads for sampling and mixing. The beads are manipulated via an external rotating permanent magnet in a microfluidic channel. Efficient mixing is achieved in a short distance with this method. Modeling shows the variables which influence the mixing are flow rate, bead rotation speed and the bead number...
Arachnoid cysts involving the cerebellopontine angle are an unusual cause of hemifacial spasm. The case is reported of a 71-year old woman presenting with a right hemifacial spasm and an ipsilateral arachnoid cyst. Preoperative magnetic resonance imaging findings suggested a neurovascular compression caused by displacement of the facial-acoustic complex and the anterior inferior cerebellar arte...
Peripheral osteomas of the maxilla are relatively rare. A case of a solitary peripheral osteoma of the anterior right maxilla in a 16-year-old girl is presented. The tumor was asymptomatic and was removed via an intraoral approach without any complications. Both hamartomatous and neoplastic factors have been advocated concerning the pathogenesis of such lesions, but no definite conclusion has b...
The treatment of Bennett’s fracture has varied between physical therapy only and open reduction with osteosynthesis (Gedda 1954). An exact reduction is essential for a good result. Gedda (1954) showed that any residual displacement of the joint was always followed by a secondary arthrosis with permanent symptoms. A new method of treatment by oblique traction was reported in 1955 by Thor#{233}n,...
Electrode instability and displacement have been reported in patients who underwent pacemaker implantation via persistent left superior vena cava. An active-fixation system, and sometimes epicardial pacing, is necessary to maintain pacing stability. We report the case of a 76-year-old man with a left superior vena cava who required dual-chamber permanent pacing. Passive-fixation atrial and vent...
We describe the inadvertent subdural insertion of a lumbar extradural catheter in a primiparous woman in labour. A small quantity of local anaesthetic resulted in extensive motor and sensory block. Computed tomography performed after contrast injection demonstrated unequivocally that the catheter was in the subdural space. The catheter and injected fluid produced considerable displacement of th...
Hunting is a flutter associated with the synchronous speed that gives rise to the gyro drifting errors and may cause objectionable time-displacement errors in video head wheel drives and other precision scanning systems. In this paper, dynamic characteristics of permanent Magnet hysteresis motors are presented and hunting is explained. New damping techniques have been developed using optimi...
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