نتایج جستجو برای: gravity arising from a prism
تعداد نتایج: 14586005 فیلتر نتایج به سال:
In this study, a numerical examination of the significance of rotation and changeable gravitational field on the start of nanofluid convective movement in an anisotropic porous medium layer is shown. A model that accounts for the impact of Brownian diffusion and thermophoresis is used for nanofluid, while Darcy’s law is taken for the porous medium. The porous layer is subjected to uniform rotat...
Aim: To determine any differences in visual acuity (VA) and contrast sensitivity (CS) between 3M Fresnel prisms and Trusetal prisms foils. Methods: Sixteen participants (mean age 20 years) with normal VA and CS participated. The effect of 5D, 10D, 20D and 30D prism strengths on monocular VA and CS was assessed using a Bailey-Lovie logMAR chart and Pelli-Robson chart, respectively. Measurements ...
malignant transformation of ameloblastomas arising from an odontogenic cyst or de novo is wellrecognized. malignancies in ameloblastomas may involve metastasis or a local dysplastic change in the tissue. the latter are classified as ameloblastic carcinomas. a 75-year-old male presented with a mandibular cystic swelling, with no evidence of metastasis. dysplastic ameloblastic cells with spindlec...
Research and exploration of the remaining relics from the past has special importance in identifying the date, history and the identity of a country. Development and the advancement of human knowledge have offered new methods for the detection archaeological sites that by using them without the need for excavation and destruction of antiquities can be found useful information. Today, the non-de...
Techniques based upon the string organisation of amplitudes may be used to simplify field theory calculations. We apply these techniques to perturbative gravity and calculate all one-loop amplitudes for four-graviton scattering with arbitrary internal particle content. Decomposing the amplitudes into contributions arising from supersymmetric multiplets greatly simplifies these calculations. We ...
coastal fars gravimetry project in fars province was carried out to find the buried salt domes and to determine characteristics of faults in this area. the lavarestan structure was covered by 4203 gravimetry stations in a regular grid of 1000*250 m. depth structural model of this anticline made in previous studies was based on geological evidences and structural geology measurements. in order t...
PURPOSE To evaluate the effect of acrylic refractive prism and Fresnel membrane prism on stereoacuity in intermittent exotropia. MATERIALS AND METHODS Stereoacuities of fifty-two patients (mean age, 12.4 years; range 6 to 45 years) with intermittent exotropia were measured using the Titmus and TNO stereotests, while they wore prisms of varying power on nonfixating eye or evenly on each eye. ...
اهمیت اندازه گیری رطوبت خاک در اراضی کشاورزی، بشر را ناگزیر از استفاده از ابزار مختلف در اندازه گیری آن ساخته و ضرورت ارزیابی عملکرد ابزارها نیز انکار ناپذیر می نماید. prism یکی از ابزارهای اندازه گیری رطوبت است که بر اساس اندازه گیری نوسانات موج الکترومغناطیس طراحی شده است. به منظور ارزیابی دستگاه prism جهت اندازه گیری رطوبت خاک، در مزرعه تحقیقاتی دانشکده کشاورزی دانشگاه شیراز، در کرتی به ابعا...
In this paper we compute the main ingredients necessary to construct the Hamiltonian part of the propagator for the third quantized theory stemming arising from the quantum constraints of general rela-tivity in the Chang–Soo variables. This necessitates the use of momentum space methods on the infinite dimensional functional space of the configuration variables. It is found that a naive inversi...
AIMS To use PRISM (Pictorial Representation of Illness and Self Measure), a visual instrument that has recently been developed and validated to assess suffering in patients with chronic physical illness, in orofacial pain patients and test for associations of PRISM with established assessment tools for pain, affective symptoms, and sleep. Of particular interest was the utility of PRISM as a scr...
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