نتایج جستجو برای: tongue guard
تعداد نتایج: 30735 فیلتر نتایج به سال:
abstract soft tissue sarcomas of the oral cavity are uncommon malignancies those of smooth-muscle origin are extremely rare. leiomyosarcomas of the tongue are very rare. either surgery or radiation therapy with or without chemotherapy are the treatment modalities which improve prognosis. we are presenting a 32-year-old man with leiomyosarcoma of the lateral aspect of the oral tongue with neck...
For a polygonal region P with n vertices, a guard cover S is a set of points in P , such that any point in P can be seen from a point in S. In a colored guard cover, every element in a guard cover is assigned a color, such that no two guards with the same color have overlapping visibility regions. The Chromatic Art Gallery Problem (CAGP) asks for the minimum number of colors for which a colored...
REQUESTED AMOUNT $ PROPOSED DURATION (1-60 MONTHS) months REQUESTED STARTING DATE SHOW RELATED PREPROPOSAL NO., IF APPLICABLE CHECK APPROPRIATE BOX(ES) IF THIS PROPOSAL INCLUDES ANY OF THE ITEMS LISTED BELOW BEGINNING INVESTIGATOR (GPG 1.A.3) DISCLOSURE OF LOBBYING ACTIVITIES (GPG II.D.1) PROPRIETARY & PRIVILEGED INFORMATION (GPG II.D.10) NATIONAL ENVIRONMENTAL POLICY ACT (GPG II.D.10) HISTORIC...
REQUESTED AMOUNT $ PROPOSED DURATION (1-60 MONTHS) months REQUESTED STARTING DATE SHOW RELATED PRELIMINARY PROPOSAL NO. IF APPLICABLE CHECK APPROPRIATE BOX(ES) IF THIS PROPOSAL INCLUDES ANY OF THE ITEMS LISTED BELOW BEGINNING INVESTIGATOR (GPG I.A) DISCLOSURE OF LOBBYING ACTIVITIES (GPG II.C) PROPRIETARY & PRIVILEGED INFORMATION (GPG I.B, II.C.1.d) HISTORIC PLACES (GPG II.C.2.j) SMALL GRANT FOR...
“Entry” guards protect the Tor onion routing system from variants of the “predecessor” attack, that would allow an adversary with control of a fraction of routers to eventually de-anonymize some users. Research has however shown the three guard scheme has drawbacks and Dingledine et al. proposed in 2014 for each user to have a single long-term guard. We first show that such a guard selection st...
Objective: The aims of this study were to identify the most appropriate indicator to assess the balance in the sudden perturbation test conditions. Methods: In this study, 13 freestyle national wrestlers at the age of 20.5±2.4 and 13 normal subjects with average age of 23.5±1.4 were used recruited. Balancing test was carried out under two conditions: standing with the guard (gu...
Background: Geographic tongue is an inflammatory disorder of unknown etiology that affects the epithelium of the tongue. It has been associated with several cutaneous diseases. Objective: To determine the prevalence of geographic tongue and its association with other cutaneous diseases in patients referred to the dermatology clinic of Razi hospital. Patients and methods: A cross-sectional study...
Abscisic acid (ABA) prevents opening of closed stomata and causes open stomata to close. A dual-source model is proposed linking ABA to diurnal stomatal movements. Darkness would favour guard cell biosynthesis of endogenous ABA and disfavour ABA catabolism. At first light, xanthophyll cycling, isomerization of ABA precursors, and activation of a cytochrome P450 mono-oxygenase (CytP450) would de...
Stomatal guard cells control CO(2) uptake and water loss between plants and the atmosphere. Stomatal closure in response to the drought stress hormone, abscisic acid (ABA), results from anion and K(+) release from guard cells. Previous studies have shown that cytosolic Ca(2+) elevation and ABA activate S-type anion channels in the plasma membrane of guard cells, leading to stomatal closure. How...
We study the problem of finding optimal covers of polygonal regions using multiple mobile guards. By our definition, a point is covered if, at some time, it lies within the convex hull of the guards from which it is visible. The definition captures our desire that guards both “see” and “surround” points that they cover. Guards move along continuous timeparameterized curves within a polygonal re...
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