We find strong influence of final-state stimulation on the time-resolved light emission dynamics from semiconductor microcavities after pulsed excitation allowing angle-resonant polariton-polariton scattering on the lower-polariton branch. The polariton dynamics can be controlled by injection of final-state polaritons at densities below a polariton saturation density of 5x10(8) cm(-2). A bosoni...

The macro characteristics and configurations of induced shock waves of the supersonic sprays are investigated by experimental methods. Visualization study of spray shape is carried out with the high-speed camera. The macro characteristics including spray tip penetration, velocity of spray tip and spray angle are analyzed. The configurations of shock waves are investigated by Schlieren technique...

We report a case of glaucoma that resulted as a complication of superselective ophthalmic angiography in a 67-year-old man with a recurrent olfactory groove meningioma. Superselective angiography in the right ophthalmic artery was performed to confirm the orifice of the feeding arteries during preoperative embolization. Immediately after the fourth injection of contrast medium, the patient suff...

Introduction: FSE sequences can be adapted either to maintain brightness or to suppress the signal of moving blood. Subtraction methods with FSE can generate angiographic images without injection of contrast agents [1]. 3D FSE variants with variable refocusing angle (VRA) of the echo train are naturally suitable for high scanning efficiency and SAR reduction [2]. We analyze sequence parameter m...

A 79-year-old female presented with five months history of progressive involuntary twitching movement on left face. Brain MR imaging revealed a heterogeneous T2 hyperintense lesion at left cerebellopontine angle. CT angiography showed a partially thrombosed saccular aneurysm of left PICA (posterior inferior cerebellar artery). The patient was treated with Botulinum toxin type A and almost total...

‘‘The resistance of the MTJ then drops by,50% since the resistance is inversely proportional to 1 1 g1g2cosc, where c is the angle between themagnetizations of the top and bottommagnets, assuming that the spin injection and detection efficiencies of the magnet-spacer interfaces g1 and g2 are ,70% [if the efficiencies are less than 70%, the logic levels will be encoded in V0 and xV0, where x . 0...

The metathoracic femoral chordotonal organ is a joint angle receptor of the locust hindleg. It consists of 45-55 bipolar sensory neurones located distally in the femur and mechanically coupled to the tibia. Responses of receptors of the organ were examined by extracellular and intracellular recording. The organ as a whole encodes the angle of the femorotibial joint but shows substantial hystere...

Recently , new methods in the workup of cerebellopontine angle (CPA) tumors have been established . These include computed tomography (CT) in combination with intravenous injection of contrast material [1], enhancement of cerebrospinal fluid with metrizamide [2], and most recently air-CT cisternography [3 , 4]. We describe a simple technique for examining both cerebellopontine angles with one l...

Hydrogen, as a suitable and clean energy carrier, has been long considered primary fuel or in combination with other conventional fuels such gasoline diesel. Since the density of hydrogen is very low, port fuel-injection configuration, engine’s volumetric efficiency reduces due to replacement by intake air. Therefore, direct in-cylinder injection (injection after valve closes) can be solution f...