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Aproximadamente 125 registro(s) hasta el momento: (knowledge)

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Recurso libre

Development and validation of a method for the analysis of Ochratoxin A in roasted coffee by liquid chromatography/electrospray-mass spectrometry in Tandem (LC/ESI-MS/MS).
BANDEIRA, R. D. C. C. - UEKANE, T. M. - CUNHA, C. P. da - GEAQUINTO, L. R. O. - CUNHA, V. S. - CAIXEIRO, J. M. R. - GODOY, R. L. O. - CRUZ, M. H. C. de la.

Formato:	Artigo em periódico indexado (ALICE)
Enlaces:	A method using LC/ESI-MS/MS for the quantitative analysis of Ochratoxin A in roasted coffee was described. Linearity was demonstrated (r = 0.9175). The limits of detection and quantification were 1.0 and 3.0 ng g-1, respectively. Trueness, repeatability and intermediate precision…
Fecha:	2012-08-17
Recurso:	Repositório Acesso Livre à Informação Científica da Embrapa (ALICE)

Recurso libre

Aspects determining the risk of pesticides to wild bees: risk profiles for focal crops on three continents.
VALK, H. van der - KOOMEN, I. - NOCELLI, R. C. F. - RIBEIRO, M. de F. - FREITAS, B. M. - CARVALHO, S. - KASINA, J. M. - MARTINS, D. - MUTISO, M. - ODHIAMBO, C. - KINUTHIA, W. - GIKUNGU, M. - NGARUIYA, P. - MAINA, G. - KIPYAB, P. - BLACQUIERE, T. - STEEN, J. van der - ROESSINK, I. - WASSENBER, J. - HERREN, B. G.

Formato:	Artigo em anais de congresso (ALICE)
Enlaces:	In order to conduct a proper risk assessment of pesticides to bees, information is needed in three areas: (i) the toxicity of the pesticide; (ii) the probability of bee exposure to that pesticide; and (iii) the population dynamics of the…
Fecha:	2012-12-17
Recurso:	Repositório Acesso Livre à Informação Científica da Embrapa (ALICE)

Recurso libre

View of stakeholders on GMOs in Brazil: where we are now?
CAPALBO, D. M. F. - ARANTES, O. M. N. - OLIVEIRA, P. R. S. - MAIA, A. G. - SILVEIRA, J. M. F. J. da - BORGES, I. C.

Formato:	Artigo em anais de congresso (ALICE)
Enlaces:	ABSTRACT: Transgenic crops have being grown in Brazil since 1995, however regulation for such crops only came into force in 2005, granting a key role to CTNBio (National Technical Committee on Biosafety). There are currently 19 transgenic varieties growing in…
Fecha:	2012-02-24
Recurso:	Repositório Acesso Livre à Informação Científica da Embrapa (ALICE)

Recurso libre

ASK in Latin America and the Caribbean: options for the future.
ARMBRECHT, I. - AVILA, A. F. D.

Formato:	Capítulo em livro técnico-científico (ALICE)
Enlaces:	2009, Autores: Jorge Blajos, Patrick Lavelle, Dalva M. da Mota, Lucia Pitalluga, Sergio Salles Filho, Jorge Irán Vásquez.
Fecha:	2011-10-17
Recurso:	Repositório Acesso Livre à Informação Científica da Embrapa (ALICE)

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Topical anti-inflammatory activity of a monofloral honey of Mimosa scabrella provided by Melipona marginata during winter in southern Brazil.
BORSATO, D. M. - PRUDENTE, A. S. - DOLL-BOSCARDIN, P. M. - BORSATO, A. V. - LUZ, C. F. P. - MAIA, B. H. L. N. S. - CABRINI, D. A. - OTUKI, M. F. - MIGUEL, M. D. - FARAGO, P. V. - MIGUEL, O. G.

Formato:	Artigo em periódico indexado (ALICE)
Enlaces:	Melipona marginata is an endangered species of stingless bee from Brazil that produces honey with particular physicochemical features and a remarkable exotic flavor. To the best of our knowledge, this is the first report devoted to exploring the medicinal potential…
Fecha:	2014-07-17
Recurso:	Repositório Acesso Livre à Informação Científica da Embrapa (ALICE)

Recurso libre

Measurements and modelling of evapotranspiration to assess agricultural water productivity in basins with changing land use patterns: a case study in the Sao Francisco River basin, Brazil.
TEIXEIRA, A. H. de C.

Formato:	Teses/dissertações (ALICE)
Enlaces:	The São Francisco River basin in Brazil is marked by socio-economic disparities and environrnental vulnerabilities. Water managers in the semi-arid region of the basin are faced with several challenges, such as competition among different water user groups, local over-exploitation of…
Fecha:	2008-11-17
Recurso:	Repositório Acesso Livre à Informação Científica da Embrapa (ALICE)

Recurso libre

Cancer prevention and the human papillomavirus vaccine:psychosocial and behavioural factors involved in vaccination decision-making
Krawczyk, Andrea

Formato:	Electronic Thesis or Dissertation
Enlaces:	The purpose of the present thesis was to examine psychosocial and behavioural factors associated with the decision-making process involved in uptake of the human papillomavirus (HPV) vaccine. In Canada, the HPV vaccine has been approved for women and men aged…
Fecha:	2012
Recurso:	McGill University - MCGILL

Recurso libre

B-boy (dance) cipher: an innovative knowledge community's shared activity
Lefebvre, Haidee

Formato:	Electronic Thesis or Dissertation
Enlaces:	My study focuses on b-boying, the archetype of hiphop dance, to better understand the informal teaching and learning processes embodied in the freestyle or raw b-boy cipher (improvisational dance circle). I draw from an ethnographic approach to investigate how hiphop…
Fecha:	2012
Recurso:	McGill University - MCGILL

Recurso libre

Building a Knowledge Management Model at Brazil's Embrapa (Brazilian Agricultural Research Corporation): Towards a Knowledge-Based View of Organizations.
ALVARENGA NETO, R. C. D. de - VIEIRA, J. L. G.

Formato:	Artigo em periódico indexado (ALICE)
Enlaces:	This paper investigates and analyses the process of building a knowledge management (KM) model at Brazil‟s Embrapa (The Brazilian Agricultural Research Corporation). Embrapa is a world class knowledge organization whose mission is to provide feasible solutions for the sustainable development…
Fecha:	2012-09-18
Recurso:	Repositório Acesso Livre à Informação Científica da Embrapa (ALICE)

Recurso libre

10.

Pharmacotherapy of childhood attention-deficit/hyperactivity disorder: the impact of information interventions on parental knowledge, attitudes and their child's adherence to medication
Gomes, Paul

Formato:	Electronic Thesis or Dissertation
Enlaces:	Objective: Despite the established effectiveness of medication in improving symptoms of attention-deficit hyperactivity disorder (ADHD) (Spencer et al 2000), rates of adherence to pharmacotherapy are low, ranging from 34% to 91% (Gau et al., 2006). Since higher adherence rates are…
Fecha:	2012
Recurso:	McGill University - MCGILL

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11.

Learner, text, and context factors on conceptual change in biology
Trevors, Gregory

Formato:	Electronic Thesis or Dissertation
Enlaces:	This thesis investigated how instructional environments might be optimally designed for all students to restructure prior knowledge and learn counter-intuitive science concepts, referred to as conceptual change. Three independent variables were examined in relation to real-time cognitive processes and subsequent…
Fecha:	2012
Recurso:	McGill University - MCGILL

Recurso libre

12.

Cognitive modeling and representation of knowledge in ontological engineering
Chan, Christine W.

Formato:	Article
Enlaces:	Descripción completa.
Fecha:	2011-03-24
Recurso:	Universidad Veracruzana

Recurso libre

13.

Meaningful main effects or intriguing interactions? examining the influences of epistemic beliefs and knowledge representations on cognitive processing and conceptual change when learning physics
Franco, Gina

Formato:	Electronic Thesis or Dissertation
Enlaces:	The purpose of this study was to investigate the role of epistemic beliefs and knowledge representations in cognitive and metacognitive processing and conceptual change when learning about physics concepts through text. Specifically, I manipulated the representation of physics concepts in…
Fecha:	2012
Recurso:	McGill University - MCGILL

Recurso libre

14.

Beliefs and motives behind the paper: examining relations between epistemic beliefs, achievement goals, writing strategies, and academic writing achievement
Duffy, Melissa

Formato:	Electronic Thesis or Dissertation
Enlaces:	Throughout university, students are required to complete complex writing tasks that involve a host of cognitive and metacognitive strategies, yet little is known about the differences in students' approach to the writing process. In particular, the role of students' beliefs…
Fecha:	2012
Recurso:	McGill University - MCGILL

Recurso libre

15.

Placebos in medicine: from conceptualizations in medical school to integration in clinical practice
Campbell, Natasha

Formato:	Electronic Thesis or Dissertation
Enlaces:	Placebo effects constitute context-dependent medical phenomena, and exemplify the link between psychosocial factors and physiological processes. By surveying medical students (Study 1) and practicing physicians (Study 2), the present thesis explores the knowledge and attitudes towards the role of placebos,…
Fecha:	2012
Recurso:	McGill University - MCGILL

Recurso libre

16.

Text classification using labels derived from structured knowledge representations
Perreault, Mathieu

Formato:	Electronic Thesis or Dissertation
Enlaces:	Structured knowledge representations are becoming central to the area of Information Science. Search engines companies have said that constructing an entity graph is the key to classifying their enormous corpus of documents in order to provide more relevant results to…
Fecha:	2012
Recurso:	McGill University - MCGILL

Recurso libre

17.

The effect of scarcity on product evaluation
Lee, Seung Yun

Formato:	Electronic Thesis or Dissertation
Enlaces:	Marketers often use scarcity to influence consumers, with announcements such as "limited quantities," "until stocks last," "few tickets left for this event," "limited time offer," or "24 hour sale." Past research indicates that scarcity often has a positive effect on…
Fecha:	2012
Recurso:	McGill University - MCGILL

Recurso libre

18.

Computerized interface control documents
Rahmani, Keyvan

Formato:	Electronic Thesis or Dissertation
Enlaces:	Interfaces between subsystems in collaborative product development projects are presently defined by interface control documents. These documents are created after agreements are made between designers on how to design subsystem interfaces. The designers must commit to the definitions given by…
Fecha:	2012
Recurso:	McGill University - MCGILL

Recurso libre

19.

Publication bias and quality of reporting of Pharmacodynamic Studies utilizing invasive research procedures within early phase cancer trials
Freeman, Georgina

Formato:	Electronic Thesis or Dissertation
Enlaces:	Invasive research procedures, such as biopsy for pharmacodynamic study, often have no value for patient-volunteers in terms of diagnosis or clinical management. Accordingly, their burdens are generally justifiable only by appeal to knowledge value (that is, the benefit to future…
Fecha:	2012
Recurso:	McGill University - MCGILL

Recurso libre

20.

Scientia in Twelfth Century philosophy in the Latin West
Nájera Carvajal, Rafael

Formato:	Electronic Thesis or Dissertation
Enlaces:	This thesis a study of the notion of scientia in thinkers of the Latin West in the twelfth century. Scientia is a Latin word that has served to refer to important conceptions of science. Important in medieval philosophy is its…
Fecha:	2012
Recurso:	McGill University - MCGILL

Recurso libre

21.

Case-based reasoning for the creative design of electromagnetic devices
Ouyang, Jun

Formato:	Electronic Thesis or Dissertation
Enlaces:	Design is concerned with the question of how to construct an artifact or system to meet the desired specification and is normally categorized as either routine, non-routine or creative. Up until now, the study of knowledge-based design has concentrated on…
Fecha:	2012
Recurso:	McGill University - MCGILL

Recurso libre

22.

Towards the identification of family physician learning needs through a reflective process
Lewis, Denice

Formato:	Electronic Thesis or Dissertation
Enlaces:	Background Continuing professional development stakeholders are continually searching for better ways of collecting and using data to determine the educational needs of physicians. Research questions1) What, if any, family physician learning needs are revealed through the reflective process prompted by…
Fecha:	2012
Recurso:	McGill University - MCGILL

Recurso libre

23.

In search of a citizenship education model for a democratic multireligious Indonesia: case studies of two public senior high schools in Jakarta
Syafruddin, Didin

Formato:	Electronic Thesis or Dissertation
Enlaces:	Concerned with interreligious conflict in Indonesia, this study seeks to describe and evaluate the current citizenship education that has been designed and implemented for a democratic multireligious Indonesia. The context for the study, outlined in Chapters 1 and 2, is…
Fecha:	2012
Recurso:	McGill University - MCGILL

Recurso libre

24.

The role of teachers' pedagogical and subject-matter knowledge in planning and enacting science-inquiry instruction and in assessing students' science-inquiry learning
Birlean, Camelia

Formato:	Electronic Thesis or Dissertation
Enlaces:	This study explored the relation between pedagogical knowledge and subject-matter knowledge, in the context of inquiry-driven science instruction, and their relation to instructors' performance in the instructional process. This multiple case study focused on three distinct categories of teachers--Novice in…
Fecha:	2012
Recurso:	McGill University - MCGILL

Recurso libre

25.

Show me the truth: the conditions of possibility for the invention of photography
Delmas, Didier

Formato:	Electronic Thesis or Dissertation
Enlaces:	The popularization of science during the eighteenth century generated, toward the end of the century, an epistemological anxiety that reached all levels of the population from the most literate scientist to the poorest peasant, the expert in differential calculus like…
Fecha:	2012
Recurso:	McGill University - MCGILL

Recurso libre

26.

Biodiversity and human nutrition in a landscape mosaic of farms and forests in the East Usambara Mountains, Tanzania
Powell, Bronwen

Formato:	Electronic Thesis or Dissertation
Enlaces:	This dissertation sought to add to knowledge of the links between human and ecosystem health by examining relationships between biodiversity and human nutrition in the East Usambara Mountains, Tanzania. Grounded in a theoretical framework drawing from systems approaches to human…
Fecha:	2012
Recurso:	McGill University - MCGILL

Recurso libre

27.

Alterations in translational control by eIF4E-Homologous Protein (4EHP)
Henderson, Valerie

Formato:	Electronic Thesis or Dissertation
Enlaces:	Tight, yet dynamic, control of translation is critical in order for the cell to respond appropriately to intracellular and extracellular cues. This translational control is achieved by modulating the rate of translation in an mRNA-specific or global manner, often by…
Fecha:	2012
Recurso:	McGill University - MCGILL

Recurso libre

28.

The algebra of topological quantum computing
Evans, Julia

Formato:	Electronic Thesis or Dissertation
Enlaces:	Topological quantum computing is an approach to the problem of implementingquantum gates accurately and robustly. The idea is to exploit topological propertiesof certain quasiparticles called anyons to obtain a proposed implementation of quan-tum computing which is inherently fault-tolerant. The mathematical…
Fecha:	2012
Recurso:	McGill University - MCGILL

Recurso libre

29.

Vibration measurements on the widely exposed gerbil eardrum
He, Zinan

Formato:	Electronic Thesis or Dissertation
Enlaces:	Hearing loss is one of the most common birth defects. Early identification of hearing loss is very important because even a mild hearing loss can seriously delay language development and compromise communication, educational and social capabilities. Tympanometry is a promising…
Fecha:	2012
Recurso:	McGill University - MCGILL

Recurso libre

30.

A mobile device based identity validation system for online social networks
Shi, Yiwei

Formato:	Electronic Thesis or Dissertation
Enlaces:	Currently, online social networks (OSNs) do not provide validation mechanisms to verify the identity of a user who is seeking linkage with another user. This shortfall is exploited by attackers to infiltrate other people's social circles to gain access to…
Fecha:	2012
Recurso:	McGill University - MCGILL

Recurso libre

31.

Questions concerning architectural machines: or 'pataphysics in early modern architecture
Olshavsky, Peter

Formato:	Electronic Thesis or Dissertation
Enlaces:	The primary contention of this study is that there are ways to orient architecture other than technological concerns. By studying the nature of architectural machines and their changes through history, their reduction to instrumental and aesthetic concerns is shown to…
Fecha:	2012
Recurso:	McGill University - MCGILL

Recurso libre

32.

Learning on the picket line: investigating a politico-administrative regime
Sunar, Nakita

Formato:	Electronic Thesis or Dissertation
Enlaces:	In September 2011, approximately 1700 unionized non-academic staff at McGill University in Montreal, Quebec went on strike. Using institutional/political activist ethnography, this study examines the informal learning of non-academic staff during the strike and assesses how their experiences are coordinated…
Fecha:	2012
Recurso:	McGill University - MCGILL

Recurso libre

33.

Perceptions and attitudes of McGill dental students towards poverty: a case study
Reis, Clarice

Formato:	Electronic Thesis or Dissertation
Enlaces:	Context: Evidence shows a strong positive correlation between poverty and numerous adverse health conditions, including oral health diseases. Low-income individuals face barriers in accessing and receiving dental care services due to many causes including tensions in their relationship with dentists.…
Fecha:	2012
Recurso:	McGill University - MCGILL

Recurso libre

34.

Vulnerability of Inuit women's food system to climate change in the context of multiple socio-economic stresses - a case study of Arviat, Nunavut
Beaumier, Maude

Formato:	Electronic Thesis or Dissertation
Enlaces:	Nunavut has the highest incidence of food insecurity in Canada, where 56% of Inuit households are believed to experience difficulties in obtaining sufficient food. Food insecurity occurs when food systems are stressed such that adequate nutrition is not accessible, available,…
Fecha:	2012
Recurso:	McGill University - MCGILL

Recurso libre

35.

On estimation and testing for change points in the hazard density from right censored prevalent cohort survival data
Rabhi, Yassir

Formato:	Electronic Thesis or Dissertation
Enlaces:	A practical concern of many studies in survival analysis is the study of the risk patterns of a disease, mortality, or other time-related event in a population. The structural change of these patterns are usually explored via the hazard function,…
Fecha:	2012
Recurso:	McGill University - MCGILL

Recurso libre

36.

How to draw out the best musical performance: best practices for studio recording in the digital era
Pras, Amandine

Formato:	Electronic Thesis or Dissertation
Enlaces:	This thesis aims to identify best practices for musical recording, involving the capture of multiple takes of a musical work in studio. Digital technologies and Internet file sharing have brought the recording industry to a transitional phase in which studio…
Fecha:	2012
Recurso:	McGill University - MCGILL

Recurso libre

37.

The impact of culture and ethnicity in psychosocial work
Cisternas Cid, Sonia

Formato:	Electronic Thesis or Dissertation
Enlaces:	Over the past decades, the population in Canada has become increasingly culturally diverse. Therefore, helping professionals are required to provide services that are culturally appropriate and effective. The main purpose of this research project was to understand the experiences and…
Fecha:	2012
Recurso:	McGill University - MCGILL

Recurso libre

38.

Segmental representations in interlanguage grammars: the case of francophones and English /h/
Mah, Jennifer

Formato:	Electronic Thesis or Dissertation
Enlaces:	The concept that knowledge is transferred from a speaker's first language grammar into the interlanguage grammar being constructed for his second language makes testable predictions for how learners should behave given certain combinations of first and second language. This thesis…
Fecha:	2012
Recurso:	McGill University - MCGILL

Recurso libre

39.

Adaptive multiset stochastic decoding of non-binary LDPC codes
Ciobanu, Alexandru

Formato:	Electronic Thesis or Dissertation
Enlaces:	In this thesis, we propose a new stochastic decoding algorithm for non-binary LDPC codes with d_v = 2, which is based on the concept of a mutliset, a generalization of the set that allows for multiple occurrences of the same…
Fecha:	2012
Recurso:	McGill University - MCGILL

Recurso libre

40.

Social computing as social rationality
Thomas, Neal

Formato:	Electronic Thesis or Dissertation
Enlaces:	This project concerns the ways in which social computing functions as a rational steering medium in network societies. Exploring cases that include the structured data protocols of an ascendant "Web 3.0", Google PageRank and collaborative filtering services, the work unearths…
Fecha:	2012
Recurso:	McGill University - MCGILL

Recurso libre

41.

Monte Carlo based electron treatment planning and cutout output factor calculations
Mitrou, Ellis

Formato:	Electronic Thesis or Dissertation
Enlaces:	Electron radiotherapy (RT) offers a number of advantages over photons. The high surface dose, combined with a rapid dose fall-off beyond the target volume presents a net increase in tumor control probability and decreases the normal tissue complication for superficial…
Fecha:	2012
Recurso:	McGill University - MCGILL

Recurso libre

42.

Dynamic GSCA generalized structured component analysis: a structural equation model for analyzing effective connectivity in functional neuroimaging
Jung, Kwang Hee

Formato:	Electronic Thesis or Dissertation
Enlaces:	Structural equation modeling (SEM) is often used to investigate effective connectivity in functional neuroimaging studies. Modeling effective connectivity refers to an approach in which a number of specific brain regions, called regions of interest (ROIs), are selected according to some…
Fecha:	2012
Recurso:	McGill University - MCGILL

Recurso libre

43.

Understanding the impacts of the 2007-08 global financial crisis on Brazil's forest sector: a qualitative study
Canova, Natalia

Formato:	Electronic Thesis or Dissertation
Enlaces:	Economic downturns are known to affect the management of natural resources and the environment. Although statistics and industry figures have revealed some impacts of the 2007-08 Global Financial Crisis (GFC), its dynamics and long term consequences for forest management, particularly…
Fecha:	2012
Recurso:	McGill University - MCGILL

Recurso libre

44.

Induction of the epithelial polarizing cytokine interleukin-33 by the fungus «Cryptococcus neoformans» in genetically susceptible mice
Flaczyk, Adam

Formato:	Electronic Thesis or Dissertation
Enlaces:	With the progression of the AIDS epidemic, understanding the host responseto the opportunistic fungal pathogen Cryptococcus neoformans, responsible forapproximately 650,000 deaths in Sub-Saharan Africa each year, has become animportant topic of research. Current knowledge suggests that susceptibility tocryptococcal pneumonia in…
Fecha:	2012
Recurso:	McGill University - MCGILL

Recurso libre

45.

Telomerase regulation by alternative slicing
Khondaker, Shanjadia

Formato:	Electronic Thesis or Dissertation
Enlaces:	Telomerase, the main mechanism for telomere maintenance, is active in 85% of cancer cells. Telomerase inhibition leads to telomere erosion, chromosome damage, and cell death, thereby validating the enzyme as a prime target in the search for anticancer therapies. hTERT…
Fecha:	2012
Recurso:	McGill University - MCGILL

Recurso libre

46.

A penalized quasi-likelihood approach for estimating the number of states in a hidden markov model
McGillivray, Annaliza

Formato:	Electronic Thesis or Dissertation
Enlaces:	In statistical applications of hidden Markov models (HMMs), one may have no knowledge of the number of hidden states (or order) of the model needed to be able to accurately represent the underlying process of the data. The problem of…
Fecha:	2012
Recurso:	McGill University - MCGILL

Recurso libre

47.

Psychiatry residents' attitudes towards spirituality in psychiatry
Kattan, Wid

Formato:	Electronic Thesis or Dissertation
Enlaces:	There is an increasing awareness of the importance of spirituality in mental health as reflected in the addition of the category "religious or spiritual problem" in the Diagnostic and Statistical Manual of Mental Disorders (DSM-IV-TR) and the inclusion of knowledge…
Fecha:	2012
Recurso:	McGill University - MCGILL

Recurso libre

48.

Contested honour: the clash of international and domestic norms in Jordan's honour crime debate
Mutch, Maryanne

Formato:	Electronic Thesis or Dissertation
Enlaces:	While a noteworthy amount of scholarship in the last decade has sought to explain the mechanisms through which international norms are diffused to domestic arenas, substantial gaps in our knowledge still remain. In particular, there has been a lack of…
Fecha:	2012
Recurso:	McGill University - MCGILL

Recurso libre

49.

Observations of massive ground ice, Hershel Island, Yukon Territory
Fox, David

Formato:	Electronic Thesis or Dissertation
Enlaces:	The rapid change in climate currently being recorded in the Western Canadian Arctic is projected to have a major influence on the permafrost ground that underlies more than half of Canada's landmass. The isolation of this vast landscape has inhibited…
Fecha:	2012
Recurso:	McGill University - MCGILL

Recurso libre

50.

Cyclist injury risk and pollution exposure at urban signalized intersections
Strauss, Jillian

Formato:	Electronic Thesis or Dissertation
Enlaces:	Cycling as a mode of travel is becoming more popular especially in urban areas like Montreal, Canada. With this reality come serious concerns for cyclist safety and health. These concerns have initiated the need to study the determinants of cyclist…
Fecha:	2012
Recurso:	McGill University - MCGILL