نتایج جستجو برای: 4600 bc
تعداد نتایج: 17376 فیلتر نتایج به سال:
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...
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...
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...
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...
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...
This paper reports the availability of a high-resolution atlas of the adult rat. The atlas is composed of 9475 cryosectional images captured in 4600 x 2580 x 24-bit TIFF format, constructed using serial cryosection-milling techniques. Cryosection images were segmented, labelled and reconstructed into three-dimensional (3D) computerized models. These images, 3D models, technical details, relevan...
BC-3781 is a novel semisynthetic pleuromutilin antimicrobial agent developed as an intravenous and oral therapy for acute bacterial skin and skin structure infections (ABSSSI) and respiratory tract infections (RTI). BC-3781 and comparator agents were tested by the broth microdilution method against 1,893 clinical Gram-positive organisms predominantly causing ABSSSI. BC-3781 exhibited potent act...
Global warming accelerates decomposition of soil organic carbon (SOC) pools with varying rates and temperature sensitivities. Black carbon (BC) materials are among the slowest decomposing components of the SOC pool. Although BC is a large component of SOC in many systems, the influence of temperature on decomposition of BC bearing different chemical and physical structures remains poorly unders...
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