نتایج جستجو برای: geometrics
تعداد نتایج: 108 فیلتر نتایج به سال:
Facial anthropometry plays a key role in clinical assessments, providing an accurate diagnosis for different syndromes. Clinicians working with the head and face (maxillo-facial, plastic and aesthetic surgeons; orthodontists and prosthodontists) are the mostly interested in this three-dimensional information, being able to estimate the normal and abnormal growth, planning and evaluating surgica...
Past research has shown that intersections are particularly difficult for older drivers to negotiate. To investigate potential contributing factors, standard database elements were paired with visual inspections of video log images to evaluate factors such as visual clutter, approach sight distances, and the condition and visibility of pavement markings. For comparative purposes, the paper also...
Automatically recognizing faces captured under uncontrolled environments has always been a challenging topic in the past decades. In this work, we investigate cohort score normalization that has been widely used in biometric verification as means to improve the robustness of face recognition under challenging environments. In particular, we introduce cohort score normalization into undersampled...
در ناحیه مسجدداغی (شرق جلفا)، کانی سازی های مس پورفیری- طلای اپی ترمالی در پیوند با یک مجموعه آذرین آتشفشانی- نفوذی حدواسط روی داده است. کانسار پورفیری احتمالا از نوع دیوریتی است وکانی سازی با دگرسانی پتاسیک همراه است. این دگرسانی از کانی های فلدسپار پتاسیم ثانویه، کوارتز، بیوتیت ثانویه و مگنتیت همراه با کانی های سولفیدی پیریت، کالکوپیریت و بورنیت تشکیل شده است. با توجه به حضور مگنتیت در ز...
Well-planted and maintained landscaping can help reduce driving stress, provide better visual quality, and decrease over speeding, thus improving roadway safety. Florida Department of Transportation (FDOT) Standard Index (SI-546) is one of the more demanding standards in the U.S. for landscaping design criteria at highway medians near intersections. The purposes of this study were to (1) empiri...
Piezoelectric bone surgery, known simply as piezosurgery, is a new technique of osteotomy and osteoplasty, which requires the use of microvibrations of ultrasonic frequency scalpels. The principle of piezosurgery is ultrasonic transduction, obtained by piezoelectric ceramic contraction and expansion. The vibrations thus obtained are amplified and transferred onto the insert of a drill which, wh...
The purpose of mathematical reservoir simulation models in petroleum applications is to try to optimize the recovery of hydrocarbon from permeable underground reservoirs. To accomplish this, one must be able to predict the performance of the reservoir under various production schemes. There are two essential issues, modeling and software architecture design, while developing a comprehensive oil...
-Pollution in air is generated by the developments, which typically occur as the country gradually shifts towards industrialization, due to city growth, increasing traffic, rapid economic development, and higher levels of energy consumption. Indian cities are among the most polluted cities in the world. The main source of air pollution in Indian metropolitan cities is petrol and diesel driven v...
Abstract Funding Acknowledgements Type of funding sources: Public Institution(s). Main source(s): Swedish Heart-Lung foundation Research Council Introduction Post-acute covid-19 syndrome (PACS) is a novel condition with persistent symptoms affecting different organs. We have previously reported postural orthostatic tachycardia (POTS) as one important long-term complication. The pathophysiologic...
The miscible displacement process appears to be an increasingly feasible method for the extraction of oil from depleted reservoirs. However, there is a lack of fundamental understanding of how fracture geometrical characteristics impact the oil recovery efficiency in this type of enhanced oil recovery technique. In this work, a series of experimental tests were conducted whereby the n-Hept...
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