Results 41 to 50 of about 60,175,050 (353)
Neutron activation analysis of plantinum converter and furnace mattes using a D-T sealed tube neutron generator [PDF]
, 2013 Neutron activation analysis (NAA) has been applied to furnace matte and converter matte samples with the objective of studying the natural variation in the elemental composition of the samples, with a view to characterize the samples for their source of ...
Majawa, Louis John
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Brazilian Journal of Radiation Sciences, 2021 In southwest Amazonia, in the region of the Upper Madeira River, Rondônia, archaeological research has shown that communities with diverse cultures co-existed in the pre-colonial past (ca. 1,000 BP). Archaeological sites from this period located on river
Angislaine Freitas Costa +3 more
doaj +1 more source
Psychological Medicine, 2019 Background Depression is a prevalent and impairing condition. Behavioral activation (BA) is a parsimonious, cost-effective, and easily disseminated psychological intervention for depression.
Aliza T. Stein +4 more
semanticscholar +1 more source
Instrumental neutron activation analysis of an enriched 28Si single-crystal
, 2014 The determination of the Avogadro constant plays a key role in the redefinition of the kilogram in terms of a fundamental constant. The present experiment makes use of a silicon single-crystal highly enriched in 28Si that must have a total impurity mass ...
MANA, GIOVANNI +4 more
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Brazilian Journal of Radiation Sciences, 2021 Iodine is one of the essential trace elements of much interest in nutritional research being responsible for the production of the thyroid hormones, which has great importance for human metabolism. Edible algae species accumulate iodine from seawater and
Caroline Rodrigues Albuquerque +2 more
doaj +1 more source
Minimax Analysis of Active Learning
J. Mach. Learn. Res., 2014 This work establishes distribution-free upper and lower bounds on the minimax label complexity of active learning with general hypothesis classes, under various noise models. The results reveal a number of surprising facts. In particular, under the noise model of Tsybakov (2004), the minimax label complexity of active learning with a VC class is always
Steve Hanneke, Liu Yang 0001
openaire +4 more sources
Pediatric Blood &Cancer, EarlyView.ABSTRACT Background Allogeneic hematopoietic stem cell transplantation (alloHSCT) is an essential therapy for several malignant and nonmalignant diseases, but relapse and graft loss remain the principal threats to its success. Routine monitoring of chimerism and minimal residual disease (MRD) enables early detection of imminent recurrence and guides ...
Carmen Junk +10 more
wiley +1 more source
, 1976 The applicability of proton activation analysis to the determination of trace amounts of lead in atmospheric particulate matter and the problem of evaluating background levels for measuring the characteristic sources of emissions is discussed ...
International Nuclear and Atomic Activation Analysis Conference and 19th Annual Meeting on Analytical Chemistry in Nuclear Technology +4 more
core +1 more source
Analysis of Amoeba Active Contours [PDF]
Journal of Mathematical Imaging and Vision, 2014 Revised version with several improvements for clarity, slightly extended experiments and discussion.
openaire +2 more sources
Pediatric Blood &Cancer, EarlyView.ABSTRACT Background Cytomegalovirus (CMV) is a recognized trigger of immune thrombocytopenia (ITP); however, its incidence and impact on disease course in children remain controversial. Therefore, we aimed to characterize the clinical course of pediatric patients with CMV‐associated ITP.
Oded Gilad +9 more
wiley +1 more source