Медицинские технологии список научных статей
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Пренастройваема овлакнена флуоресцентно-багрилна микротръбичка
In the present paper we study the effect of the length of fluorescent dye-filled micro-capillarie structure on the fluorescence spectra. A fiber-optic glass ferrule with two parallel 125 μm inner diameter holes has been studied. One of the holes of the tube was filled with a solution of Rhodamine...
2013 / Владев Веселин, Ефтимов Тинко -
Phase modulated pulses into a nonlinear regime of propagation
This work examines the influence of a bi-convex short throw lens on the evolution of optical pulses in nonlinear dispersion medium. We investigated different regime of propagation by changing the value of the coefficients characterizing the dispersion and nonlinearity of the medium. We have made a...
2013 / Slavchev Valeri, Kovachev Lubomir -
Clinical applications of lasers in Operative Dentistry and endodontics
Laser is a device that produces a nearly parallel, nearlymonochromatic, and coherent beam of light by exciting atoms to a higher energy level and causing them to radiate their energy in phase. The first laser was created by Meiman in 1960. In 1997 the first laser approved by FDA for hard dental...
2017 / Stefanova Vesela, Tsanova Snejana -
Ultrasound elastography for the evaluation of liver fibrosis
Ultrasound imaging /US/ is one of the most important diagnostic procedures in the assessment of liver fibrosis. US plays major role for morphological examination of the parenchyma, signs for dysmorphism or portal hypertension, detecting and characterizing focal liver lesions, monitoring treatment....
2017 / Doykov Daniel, Andonov Vladimir -
Three dimensional breast cancer models for x-ray imaging research
Nowadays, the development of realistic 3D physical and computational models of breast tumours with irregular shapes is an urgent requirement. The availability of such models is a powerful tool for the development of new technologies for precise definition of the boundaries of these cancers
2016 / Zhivko Bliznakov, Yanita Chernogorova, Kristina Bliznakova -
Computational breast cancer models created from patient specific CT images: perliminary results
Breast cancer remains the most common cause of death for women below seventy years of age. Although, screening nowadays is a common practice the standard tools for such procedure in some cases of breast cancers are not as efficient as desired. New approaches are constantly being developed to detect ...
2016 / Nikolay Dukov, Firgan Feradov, Elica Encheva, Bliznakova Kristina, Gluhcheva Yana, Bulyashki Daniel, Radev Radoslav -
Design, methodology and purposes of the third National patient dose survey in diagnostic radiology
In correspondence with requirements of National legislation and requirements of EC Directive 2013/59/Euratom, National Centre of Radiobiology and Radiation Protection (NCRRP) started the Third National Patient Dose Survey (TNPDS) with an aim to update the existing Diagnostic Reference Levels (DRL)...
2016 / Dimov Asen, Ivanova Dessislava, Vassileva Filipa -
Software platform for evaluation of x-ray images: application for validation of anthropomorphicsoftware breast model
Aim of this study is to present a software tool designed to extract texture parameters from x-ray images. The tool is developed in the MATLAB environment and is dedicated to facilitate the research in x-ray imaging. A program called BreastSimulator is used to generate an anthropomorphic software...
2016 / Marinov Stoyko, Buliev Ivan, Bliznakov Zhivko -
Study of the quality of Linear frequency Cepstral coefficients for automated recognition of negative emotional states from EEG signals
In the following paper a study on the qualities of Linear Frequency Cepstral Coefficients (LFCC) as a feature for recognition of negative emotions from EEG signals is presented. The experimental evaluation of the descriptors was carried out on EEG data taken from the DEAP database. Multiple tests...
2016 / Feradov Firgan -
Radiation-induced effects after Medical exposure- reasons, identification, classification, patient follow-up and prevention
Radiation-induced effects are well known to the professionals working in the field of radiotherapy, but professionals working in the field of diagnostic imaging are not enough familiar with them. The reason for the lack of diagnosed cases of “radiation dermatitis” is the lack of awareness of the...
2016 / Kostova-Lefterova Desislava, Georgiev Dimcho -
Optical methods in Biometry for vein identification and medical diagnostics
Nowadays the personal identification is world sizable security problem. Hence, various biometric technologies for individual verification are widely spread. Fingerprint is one of the most often used techniques due to its easy and fast performance and relatively low cost. Recently, the efforts to...
2016 / Dyankov G., Eftimov T., Dimitrova T. -
Influence of the spray drying formulation parameters on the production of polymeric microspheres for nasal administration
The object of the present study was to determine the most appropriate conditions for preparing chitosan microspheres using the spray-drying technique. In order to investigate how the process parameters affect the particles characteristics nine models of polymeric microspheres were formulated by...
2015 / Katsarov Plamen, Pilicheva Bissera, Kassarova Margarita -
Оценка акустических характеристик игрушек для детей раннего возраста
В данной работе проведена оценка уровня звука, создаваемого игрушками-погремушками в зависимости от расположения исследуемого образца по отношению к микрофону шумомера. В ходе работы выявлено, что для оптимизации санитарно-эпидемиологической экспертизы игрушек для детей раннего возраста необходима...
2018 / Попова Ольга Леонидовна, Бобрищева-Пушкина Наталия Дмитриевна, Кузнецова Любовь Юльевна -
Моделирование динамики изменения температуры кожных покровов в процессе общего криотерапевтического воздействия
В статье приводятся результаты численного моделирования распределения температурных полей и тепловых потоков в кожных покровах человека в ходе общекриотерапевтического воздействия. Результаты получены с использованием математической модели теплообмена между потоком газовой среды (пары жидкого...
2018 / Ережеп Д., Миникаев А.Ф., Пронин В.А., Захаренко В.П.ВАКAGRIS -
Metal cutting tool
In this paper the authors give an analysis of the distinctive features of the types of metal cutting tools and their characterization.
2015 / Kotelnikova V.Y., Umarova A.P., Mikhailova A.A., Iskakova D.A. -
Between theory and practice
This article describes an important topic of training students in the learning process, to work on the new equipment and machines. As highly skilled workers are needed by all enterprises and factories.
2014 / Almyasheva O.U., Tatybaev I.D., Iskakova D.A. -
Scheme for measuring linear values using laser sensors
The offered schemes o f measurement o f linear values by means o f laser sensors can be used at control in laboratories o f higher education institutions and in the industrial enterprises. The recommendations give the chance to increase accuracy o f details control.
2012 / Iskakova D.A., Yxan Zh. M., Raiymzhanova A.N. -
Некоторые особенности структуры и кинематики механизма строгального станка
Авторлар жону станогының құрылымы мен кинематика механизімінің ерекшеліктерін ұсынады.
2008 / Хамзин Е., Доброродный В.Ф., Белышев Р., Костливцев Д. -
Результаты исследования электроэнергетической безопасности регионов Казахстана
Мақалада 2006 жылы электрлік энергиямен қамтамасыз ету бойынша Қазақстан облыстарының энергетикалық қауіпсіздігінің талдауының қорытындысы келтірілген.
2008 / Мустафина Р.М., Мустафина Г.М., Танат А.Х. -
Анализ методов диагностики состояния подшипников качения в асинхронном двигателе
Авторлармен синхрондық қозғалғыш подшипниктер жағдайларын диагностикалау әдістерінің талдауы жасалынған, оның нәтижесінде жақын болашақта жаңалық еңгізу туралы, диагностикалаудың тіптен жаңа тәсілдерінің алынған
2008 / Новожилов А.Н., Ахметова Ф.К.