Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 20 of 644 for “"Cut-off"”.
-
Cut off by the 'Iron Curtain'
… many years politically, socially and culturally cut off from the Western Europe. Did this have an impact on the representation of Polish cinema in English-language film criticism? Judging by the number of books about Polish cinema as a whole or about Polish directors and their films it would seem …
-
Cut-off low pressure systems and extreme rainfall over South Africa
This thesis is an investigation of cut-off low pressure systems over South Africa. These weather systems have been responsible for many of the flooding disasters that have affected South Africa, particularly the coastal regions, over recent decades. The thesis has two main objectives, namely, to …
-
Dynamical processes in the evolution of Cut Off Lows over South Africa
… study presented deviations in the evolution of Cut-off lows (COLs) through four COLs events over the South African domain from a case study point of view. Furthermore, this study demonstrated COLs as cold-cored low-pressure systems estranged from westerly wind belts above . COLs are hazardous as …
-
Theoretical investigation of kickback in diamond chainsaw and circular cut-off saw
… as an abrupt motion of the guide bar or cutting blade towards the operator. Despite the fact that early studies of this extremely dangerous phenomenon date back to the previous century, most of the available literature is limited to wood cutting chainsaws that are chip-forming, while …
-
General theory of cut-off grades as applied to porphyry copper-type deposits
Includes bibliographical references (pages 150-156).
-
General theory of cut-off grades as applied to porphyry copper-type deposits
Includes bibliographical references (pages 150-156).
-
Crack-resistant and self-healing cut-off wall materials incorporating polymers and minerals
… and ecosystems. The containment approach using cut-off walls is one of the most commonly-used land remediation technologies. However, the cut-off wall materials inevitably deteriorate under mechanical, chemical, and environmental stresses. The damage of cut-off walls can undermine their …
-
Understanding the characteristics of cut-off lows over the Western Cape, South Africa
Cut-off lows (COLs) are an important rainfall source in the Western Cape. While several studies have examined the devastating impacts of COLs during extreme rainfall events, little is known about the characteristics of COLs during droughts and how the characteristics are influenced by the South …
-
Characteristics of deep moist convection and rainfall in cut-off lows over South Africa
Out of all rain-producing weather systems, cut-off lows (COLs) are linked with the occurrence of high impact rainfall and in some cases short-lived floods which can last for 24 hours over South Africa. This study examined the characteristics associated with the present occurrence of the severe COL …
-
Factor Analysis and Cut-Off Scores for the Autism Spectrum Disorders-Observation for Children
… for Children (ASD-OC). More importantly, cutoff scores were also developed for clinical use in order to distinguish between those with and without an ASD. Given that marked changed were made to ASD diagnostic criteria with the release of the most recent Diagnostic and Statistical Manual of …
-
Cut-off values and thresholds of allergic reaction during oral food challenge: a retrospective study
… varied by allergen, with internationally derived cut-offs often demonstrating suboptimal sensitivity. For cow's milk, the fresh skin prick test (SPT) (≥4 mm) showed high sensitivity (100%) and specificity (83.3%), whereas commercial SPT (≥8 mm) had poor sensitivity (0%). Ara h2-specific IgE (sIgE) …
-
Evaluation of kickback energies in abrasive chain saws and cut-off saws: a theoretical and experimental study
Abrasive chain saws and cut-off saws used in construction work are not currently kickback regulated even though fatal kickbacks occur with them. Kickback regulation has been in place for wood chain saws since the 1980's, but it is inadequate for regulating abrasive power saws as they have a …
-
I Cut Off My... Voice: An Autoethnography of an Artist and Art Educator with a BRCA Genetic Mutation
<p>The effects of BRCA genetic mutations on artists and art educators had not been known. Autoethnography is a qualitative method for writing about personal experiences through a cultural lens. I used my personal experiences within a BRCA positive community to understand shared experiences among …
-
A resonant line used as a distributed constant filter element to obtain sharp cut-off at ultra-high frequencies
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering, 1936.
-
The Measurement of Atmospheric Species with Absorptions Close to the Actinic Flux Cut-Off by Active & MAX-DOAS: Chlorine Monoxide (CIO) & Sulphur Dioxide (SO2)
The gas-phase chlorine monoxide (ClO) radical has been studied extensively for its role in catalytic stratospheric ozone depletion following the discovery of the Antarctic ozone hole in 1985. Reactive chlorine chemistry is known to occur in the troposphere as well, originating primarily from sea …
-
Neue Normwerte für ACE, sIL-2R, Lysozym und IL-8 in der Sarkoidose-Diagnostik
… liefern. Bevorzugt sollten mittels ROC-Analysen Cut-off-Werte erstellt werden. METHODIK: Bei 66 Sarkoidosepatienten und 46 Patienten mit fibrosierender interstiteller Lungenerkrankung und einer aus 49 Gesunden bestehenden Kontrollgruppe wurden die genannten Parameter gemessen. Dies geschah für …
-
Diagnostic utility of pericardial fluid pH in diagnosing infectious pericardial effusions among patients with moderate and large effusions undergoing pericardiocentesis at Groote Schuur Hospital: a subs-study of the IMPI trial
… positive likelihood ratios for an a priori pH cut off of 7.35. Receiver operating characteristic curve analysis was used for selection of ideal pH cut off. RESULTS Using a set sensitivity of 70% we estimated that we needed to recruit a sample size of 149 subjects for a 95% confidence interval …
-
RUOLO DIAGNOSTICO DELLA RICERCA DI ANTICORPI VERSO ANTIGENI DEL TUBULO GERMINATIVO DI CANDIDA ALBICANS IN DIVERSE TIPOLOGIE DI PAZIENTI
… Questa percentuale scendeva al 56,6% (30/53) con cut-off di positività maggiore o uguale a 320. Nei pazienti ematologici, la percentuale di positività è stata del 47,2% (17/36) con cut-off di 160 e 25% (9/36) con cut-off di 320. Infine, nei pazienti trapiantati è stato osservato il più basso …
-
Using a Bayesian model for bankruptcy prediction : a comparative approach
… study is to examine the impact of the choice of cut-off points, sampling procedures, and the business cycle on the accuracy of bankruptcy prediction models. Misclassification can result in erroneous predictions leading to prohibitive costs to firms, investors and the economy. To test the impact …
Page 1 of 33