نتایج جستجو برای: planar frame

تعداد نتایج: 164622  

Journal: :Journal of Astrophysics and Astronomy 2021

Magnetars are highly magnetized neutron stars. For a slowly rotating magnetar, the strong magnetic field deforms star, making it axisymmetric with respect to axis (the body symmetry axis). In magnetars, rotation is tilted axis, and we have an oblique rotator. General relativistic treatment of obliquely magnetar gives rise frame-dragging velocities both in azimuthal polar direction. Solving Eins...

AKBAR ZADEH A., , SALARI M., ,

AA3004 alloy is widely used in can making. The major concern in the production of canbodies is earing, which develop by high planar anisotropy of rolled sheet. Balance ofrecrystallisation and rolling textures together with a uniform and fine grain microstructure canminimize the earing. The effects of finish rolling temperature (FRT) on planar anisotropy,microstructure, texture development and m...

Journal: :REM - International Engineering Journal 2023

The current advanced analysis techniques for steel frames generally use structural analyses with geometric and material nonlinearities to capture the collapse strength of frame. Unfortunately, true a frame cannot be predicted accuracy because uncertainties most significant design variables. Building codes structures apply resistance factor account present in variables thus ensure target level r...

Journal: :iranian journal of nuclear medicine 2015
davood beiki fatemeh karami babak fallahi ahmad kaviani iraj harirchi

introduction: the gastrin releasing peptide (grp) receptor is over expressed in a variety of common human tumors. radiolabeled bombesin analogues have exhibited high binding affinity for these receptors. the aim of this study was to assess the value of a new 99mtc-bombesin analog in the differentiation of malignant from benign breast tumors. methods: 99mtc-bombesin scans were performed in 21 pa...

Journal: :Journal of Plasma Physics 2021

We show that large-amplitude, non-planar, Alfvén-wave (AW) packets are exact nonlinear solutions of the relativistic magnetohydrodynamic equations when total magnetic-field strength in local fluid rest frame ( $b$ ) is a constant. derive analytic expressions relating components fluctuating velocity and magnetic field. also these constant- AWs propagate without distortion at Alfvén never steepen...

پایان نامه :دانشگاه تربیت معلم - تهران - دانشکده ریاضی و کامپیوتر 1390

قاب های مخلوط تنگ یک مفهوم نوظهور ازنظریه ی قاب هاهستند.این قاب هادر فرآیندپخش و مخابرات کاربردهای زیادی دارند.بااینحالدرموردوجود این قابهااطلاعات کمی وجوددارد.در این پایان نامه به طور کامل مسله ی وجود چنین قاب هایی رادر حالت خاصی که در آن فضای اصلی با بعد متناهی است و زیر فضاهایقاب مخلوط بعد مساوی دارند را به طور کامل حل می کنیم.بدین معنا که شرایطی که تحت آن یک مجموعه از ماتریس های تصویر متعام...

Journal: :Annales de l'Institut Henri Poincaré C, Analyse non linéaire 2021

Abstract The family of planar linear chains are found as collision-free action minimizers the spatial N-body problem with equal masses under D N and × Z 2 -symmetry constraint different types topological constraints. This generalizes a previous result by author in [32] for problem. In particular, monotone constraints required proven to be unnecessary, it will implied minimization property. For ...

2013
Louise Lu Volker Sick

Multi-dimensional and transient flows play a key role in many areas of science, engineering, and health sciences but are often not well understood. The complex nature of these flows may be studied using particle image velocimetry (PIV), a laser-based imaging technique for optically accessible flows. Though many forms of PIV exist that extend the technique beyond the original planar two-componen...

Journal: :Industrial Robot 2012
Ahmed Joubair Mohamed Slamani Ilian A. Bonev

Purpose – The purpose of this paper is to describe a calibration method developed to improve the absolute accuracy of a novel three degrees-of-freedom planar parallel robot. The robot is designed for the precise alignment of semiconductor wafers and, even though its complete workspace is slightly larger, the accuracy improvements are performed within a target workspace, in which the positions a...

Journal: :IJISTA 2008
Christian Beder Reinhard Koch

The estimation of position and orientation of a PMD camera in a global reference frame is required by many measurement applications based on such systems. PMD cameras produce a depth as well as a reflectance image of low resolution compared to standard optical cameras, so that calibration of the cameras based on the reflecance image alone is difficult. We will present a novel approach for calib...

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