نتایج جستجو برای: 3500 bc

تعداد نتایج: 19762  

Journal: :Journal of obstetrics and gynaecology Canada : JOGC = Journal d'obstetrique et gynecologie du Canada : JOGC 2016
Laurie Smith Dirk van Niekerk Andrew Coldman Mel Krajden Eduardo L Franco Gina Ogilvie

Laurie Smith, RN, BN, MPH, Dirk van Niekerk, FRCPC, Andrew Coldman, PhD, Mel Krajden, MD, FRCPC, Eduardo L. Franco, DrPH, FRSC, FCAHS, Gina Ogilvie, MD, MSc, FCFP, DrPH Cancer Control Research, BC Cancer Agency, Vancouver BC Cervical Cancer Screening Program, BC Cancer Agency, Vancouver BC Faculty of Medicine, University of British Columbia, Vancouver BC Hepatitis Division, BC Centre for Diseas...

Deoxys is a final-round candidate of the CAESAR competition. Deoxys is built upon an internal tweakable block cipher Deoxys-BC, where in addition to the plaintext and key, it takes an extra non-secret input called a tweak. This paper presents the first impossible differential cryptanalysis of Deoxys-BC-256 which is used in Deoxys as an internal tweakable block cipher. First, we find a 4.5-round...

1999
P. Colangelo F. De Fazio

We analyze the radiative leptonic Bc decay mode: Bc → `νγ (` = e, μ) using a QCD-inspired constituent quark model. The prediction: B(Bc → `νγ) ' 3× 10−5 confirms that this channel is experimentally promising in view of the large number of Bc mesons which are expected to be produced at the future hadron facilities. E-mail address: [email protected] E-mail address: [email protected] Recen...

2007

principle that most of us are linked by short chains of acquaintances — was first investigated as a question in sociology and is a feature of a range of networks arising in nature and technology. Experimental study of the phenomenon revealed that it has two fundamental components: first, such short chains are ubiquitous, and second, individuals operating with purely local information are very a...

2000

principle that most of us are linked by short chains of acquaintances — was first investigated as a question in sociology and is a feature of a range of networks arising in nature and technology. Experimental study of the phenomenon revealed that it has two fundamental components: first, such short chains are ubiquitous, and second, individuals operating with purely local information are very a...

2012
M. G. Flanner X. Liu C. Zhou J. E. Penner

Here we explore light absorption by snowpack containing black carbon (BC) particles residing within ice grains. Basic considerations of particle volumes and BC/snow mass concentrations show that there are generally 0.05–109 BC particles for each ice grain. This suggests that internal BC is likely distributed as multiple inclusions within ice grains, and thus the dynamic effective medium approxi...

Tanzania continues to enjoy stability and growth in different sectors similar to other countries; however, some challenges persist in the health sector, especially in the area of cancer care. The current study aimed at reviewing social economic status (SES), as well as factors contributing to the increased burden of breast cancer (BC) in Tanzania. The current study reviewed different articles a...

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