نتایج جستجو برای: pre and post

تعداد نتایج: 16919163  

2014
James R. Flynn

Defining “intelligence” exemplifies a mistake that has historical precedent: confusing the role of pre-theory and post-theory definitions. In every area, pre-theory concepts give broad directions for investigation: are the movements of heavenly bodies affected by the existence of other heavenly bodies? Post-theory concepts add precision and predictability. The mistake occurs when a successful t...

2009
Graham Elliott Ulrich K. Müller

This paper discusses inference about the pre and post break value of a scalar parameter in GMM time series models with a single break at an unknown point in time. We show that treating the break date estimated by least squares as the true break date leads to substantially oversized tests and confidence intervals unless the break is large. We develop an alternative test that controls size unifor...

2016
JEREMY WOHLWEND

Public-key cryptography has been at the center of online communication and information transfer for decades. With computing power growing at an exponential rate, some of the most widely used encryption schemes are starting to show their limits. The RSA algorithm, which is still widely used around the world, now requires very large keys to ensure security. Since these systems may appear on low c...

2012
F. Rabier

This paper provides an overview of the details of the data assimilation system implementation, at both pre and post-processing levels, which are, more often than not, mentioned in passing in data assimilation talks or articles. Data assimilation is the art of combining model and observations. It relies on a set of equations grounded on sound statistics. Some theoretical studies investigate ways...

Journal: :IJBM 2008
M. Usman Akram Anam Tariq Shoab Ahmad Khan Sarwat Nasir

Automatic Fingerprint Identification Systems (AFIS) are widely used for personal identification due to uniqueness of fingerprints. Minutiaebased fingerprint matching techniques are normally used for fingerprint matching. Fingerprint matching results and their accuracy depends on presence of valid minutiae. In this paper, we present a new technique for fingerprint image post-processing. This pos...

1947
J T Anderson

A new edition is most welcome. When the book appeared in 1937 it was well in advance of anything then in print. There is again a great deal of recent work assimilated into the body of the various chapters. Among the names of contributors are many new ones,some of which have been prominent in the journals during the last 8 years. We miss the name of Homans and his beautiful article on thrombosis...

Introduction: Mental problems such as anxiety and depression, reduced self-esteem can be improved by having recreation activities such as browsing the purchasing and purchasing areas. This study aimed to determine the effect of purchasing style on mental health in physical education students of Islamic Azad University. Methods: This interventional study was performed on 477 students in five reg...

Journal: :journal of agricultural science and technology 2012
r. lakshmipathy a. n. balakrishna d. j. bagyaraj

the impact of land use intensity on the abundance and diversity of arbuscular mycorrhizal fungi (amf) was investigated at six land use types viz., natural forest, grassland, acacia plantations, cardamom plantations, coffee plantations and paddy fields in the niligiri biosphere of the western ghats in south india. there was no significant difference in amf root colonization in different land use...

Journal: :international journal of behavioral science 0
hadi parhoon department of clinical psychology, faulty of psychology and educational sciences, university of kharazmi, tehran, iran kourosh masomzadeh department of clinical psychology, faulty of psychology and educational sciences, islamic azad university, science and research branch, tehran, iran alireza moradi department of clinical psychology, faulty of psychology and educational sciences, university of kharazmi, tehran, iran kamal` parhoon department of psychology and education of exceptional children, faculty of psychology and educational sciences university of allameh tabatabaei, tehran, iran masome mirmotahari department of guidance and counseling psychology, faulty of psychology and educational sciences, university of tehran, tehran, iran

abstract introduction: mindfulness plays an important role in improving psychological functions of chronic patients. therefore the aim of this study was investigate the effectiveness of mindfulness-based stress reduction (mbsr) on symptoms of anxiety, depression and post-traumatic stress in patients with hiv/ aids. method: this was an experimental design with pre-test, post-test along with foll...

Journal: :iranian journal of otorhinolaryngology 0
farzad izadi department of otorhinolaryngology, rasoul akram hospital, iran university of medical sciences, tehran, iran. hadi ghanbari department of otorhinolaryngology, rasoul akram hospital, iran university of medical sciences, tehran, iran. sahar zahedi department of otorhinolaryngology, rasoul akram hospital, iran university of medical sciences, tehran, iran. behzad pousti department of otorhinolaryngology, rasoul akram hospital, iran university of medical sciences, tehran, iran. mojtaba maleki delarestaghi department of otorhinolaryngology, rasoul akram hospital, iran university of medical sciences, tehran, iran. abolfazl salehi department of speech therapy, university of social welfare and rehabilitation sciences, tehran, iran.

introduction: mucous retention cysts are a subtype of intracordal vocal cysts that may occur spontaneously or may be associated with poor vocal hygiene, and which require optimal treatment. the objective of this study was to present a new laser-assisted microsurgery technique for treating intracordal mucous retention cysts and to describe the final outcomes.   materials and methods: in this pro...

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