نتایج جستجو برای: first position
تعداد نتایج: 1635820 فیلتر نتایج به سال:
Cosmological theories for the origin and evolution of structure in the Universe are highly predictive of the form of the angular power spectrum of cosmic microwave background fluctuations. We present new results from a comprehensive study of CMB observations which provide the first measurements of the power spectrum all the way down to angular scales of ∼ 10 arcminutes. On large scales a joint ...
In this paper we discuss the Smart Positron Emission Tomography (PET) imaging system being developed by the University of Liverpool in conjunction with CCLRC Daresbury Laboratory. We describe the motivation for the development of a semiconductorbased PET system and the advantages it will offer over current tomographs. Details of the detectors and associated electronics are discussed and results...
In recent work a tentative suggestion has emerged: certain processes which appear to be core cases of head movement should be analysed instead as not involving the computational system at all, but rather as arising because of the way that the phonological systems interact with the structures delivered to the interface by the syntax (see, for example, Chomsky 1995, 4.7.3). In this paper, I exami...
The purpose of the Cosmic Background Radiation (CBR) experiments is to measure the temperature anisotropy via the autocorrelation function. The partial wave l1 corresponding to the first Doppler peak caused by baryonphoton oscillations at the surface of last scattering depends on the present density Ω0 and the cosmological constant contribution ΩΛ. We discuss this dependence on the basis of per...
One of the steps during the implantation of hearing aids and cochlea implants is the creation of a shallow implant bed in the thin skull bone. Correct placement of the implant is paramount but difficult to achieve preoperatively. The profile of the calotte, which can be determined through e.g. 3D imaging, is important for this task. Additionally, in a robot-based surgical operation, the final p...
the project is comparing three types of calculation derived graphene. to evaluate the effect of silicon element to thermochemistry parameters of absorption of prolin in these derivatives. these derivatives of graphene carbon prolin connection made, the difference is only the position of prolin (named gpc1 , gpc2 , gpc3). but in other derivations first put silicon instead of carbon position, th...
Flow in the first two-stage of V 94.2 gas turbine is simulated numerically. In this turbine, the second stator is clocked relative to the first stator to different positions. Steady-state analysis was carried out by varying the circumferential relative position of the consecutive stator vanes to study the effects of the clocking on turbine performance. A density based compressible inviscid ...
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