نتایج جستجو برای: attenuation relationships

تعداد نتایج: 275770  

Journal: :Noro psikiyatri arsivi 2014
Ömer Şenormanci Ramazan Konkan Oya Güçlü Güliz Şenormanci

Although the internet is used effectively and beneficially in every aspect of life, several users have been experiencing some problems due to excessive and uncontrolled use. While the term "internet addiction" still remains controversial, disturbed family relationships are considered to be a diagnostic criterion. The use of the internet, even in non-excessive levels, is associated with disturba...

2015
Jacqui Gabb Reenee Singh

We explore how "emotion maps" can be productively used in clinical assessment and clinical practice with families and couples. This graphic participatory method was developed in sociological studies to examine everyday family relationships. Emotion maps enable us to effectively "see" the dynamic experience and emotional repertoires of family life. Through the use of a case example, in this arti...

2003
Damien Arthur Pascale Quester

While a substantial body of literature has examined the effect of fear appeals in advertising, few, if any, studies have looked into the ethicality of using such threatening messages, particularly for socially desirable outcomes. In this paper, a review of the different theories of ethics leads to the development of an empirical study where the effects of using both physically and socially thre...

Journal: :ماشین های کشاورزی 0
رسول معمار دستجردی سعید مینایی محمد هادی خوش تقاضا

development of ultrasound technique has not been progressing for evaluating the internal quality of fruits as fast as that of processed foods. in this research for quality assessment of pear fruit (shah miveh variety) an ultrasonic measurement system was constructed to transmit and receive the ultrasonic waves. the apparatus included a pulser-receiver, a pair of 75 khz ultrasonic transducers wi...

2010
Ren Yuan Taishi Nagao Peter D Paré James C Hogg Don D Sin Mark W Elliott Leanna Loy Li Xing Steven E Kalloger John C English John R Mayo Harvey O Coxson

OBJECTIVE To refine the CT prediction of emphysema by comparing histology and CT for specific regions of lung. To incorporate both regional lung density measured by CT and cluster analysis of low attenuation areas for comparison with histological measurement of surface area per unit lung volume. METHODS The histological surface area per unit lung volume was estimated for 140 samples taken fro...

Journal: :Atom Indonesia 2022

The dose received by a patient on CT examination is expressed in size-specific estimates (SSDE) which function of the diameter, x-ray attenuation, and scanner output (volume computed tomography index, CTDIvol). Patient diameter attenuation are represented as water equivalent (Dw). We conducted research to analyze relationships between body weight Dw, CTDIvol, contrast-enhanced thorax examinatio...

Journal: :Physiology 2011
Oren Froy

Resetting the circadian clock leads to well being and increased life span, whereas clock disruption is associated with aging and morbidity. Increased longevity and improved health can be achieved by different feeding regimens that reset circadian rhythms and may lead to better synchrony in metabolism and physiology. This review focuses on recent findings concerning the relationships between cir...

2000
ANTHONY J. ILLINGWORTH MARK BLACKMAN

Polarization radar techniques essentially rely on detecting the oblateness of raindrops to provide a measure of mean raindrop size and then using this information to give a better estimate of rainfall rate R than is available from radar reflectivity Z alone. To derive rainfall rates from these new parameters such as differential reflectivity ZDR and specific differential phase shift KDP and to ...

2011
P. Anbazhagan

Introduction to Seismic Hazard Analysis Representations of Seismic Hazard Data completeness Recurrence Relation Gutenberg-Richter recurrence law Mmax Estimation Predictive relationships Deterministic Seismic Hazard Analysis Probabilistic Seismic Hazard Analysis Applicability of DSHA and PSHA Summary of uncertainties Uncertainty in the Hypocentral Distance Regional Recurrence Deaggregation Unifo...

Journal: :Applied optics 1991
K J Voss

The point spread function (PSF) is an important property for predicting beam propagation and imaging system performance. Measurements of the PSF in three different locations (Pacific Ocean, Tongue of the Ocean, and Sargasso Sea) are presented. These measurements are used to validate extensive laboratory measurements [S. Q. Duntley, "Underwater Lighting by Submerged Lasers and Incandescent Sourc...

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