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Dissertations / Theses on the topic 'Fuel sampling'

Author: Grafiati

Published: 4 June 2021

Last updated: 2 February 2022

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1

Tongroon, Manida. "Combustion characteristics and in-cylinder process of CAI combustion with alcohol fuels." Thesis, Brunel University, 2010. http://bura.brunel.ac.uk/handle/2438/4501.

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Controlled auto-ignition (CAI) combustion in the gasoline engine has been extensively studied in the last several years due to its potential for simultaneous improvement in fuel consumption and exhaust emissions. At the same time, there has been increasing interest in the use of alternative fuels in order to reduce reliance on conventional fossil fuels. Therefore, this study has been carried out to investigate the effect of alcohol fuels on the combustion characteristics and in-cylinder processes of CAI combustion in a single cylinder gasoline engine. In order to study the effect of alcohol fu

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2

Wu, Xinying. "Reliability Assessment of a Continuous-state Fuel Cell Stack System with Multiple Degrading Components." Ohio University / OhioLINK, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1556794664723115.

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3

Andersson, Oskar. "Avskiljning av inert material från avfallsbränsle : En fältstudie av förbättrad RDF-produktion på bränsleberedningen i Västerås." Thesis, Mälardalens högskola, Akademin för ekonomi, samhälle och teknik, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:mdh:diva-35780.

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Samtidigt som världens energiproduktion till stor del baseras på förbränning av fossila bränslen behandlas enorma mängder avfall genom deponering. Ökad energiåtervinning av avfall kan bidra till att minska världens utsläpp av växthusgaser. Då avfall bör ses som en resurs är det dock viktigt med en effektiv energiåtervinning. Förbränning i fluidbäddspanna möjliggör god förbränning och hög verkningsgrad men kräver ett finfördelat avfall med lågt innehåll av inert (icke brännbart) material, så kallat RDF. Därför behöver avfallet beredas innan förbränning. En effektiv och välfungerande beredning a

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4

BARUA, SUKHENDU LAL. "APPLICATION OF CONDITIONAL SIMULATION MODEL TO RUN-OF-MINE COAL SAMPLING FREQUENCY DETERMINATION AND COAL QUALITY CONTROL AT THE POWER PLANT (BLENDING, GOAL PROGRAMMING, MICROCOMPUTER)." Diss., The University of Arizona, 1985. http://hdl.handle.net/10150/187940.

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Run-of-mine (ROM) coal sampling is one of the most important factors in determining the disposition of ROM coal for an overall emission control strategy. Determination of the amount of sample, or still better, the frequency of ROM coal sampling is thus essential to the analysis of overall emission control strategies. A simulation model of a portion of the Upper Freeport coal seam in western Pennsylvania was developed employing conditional simulation. On the simulated deposit, different mining methods were simulated to generate ROM coal data. ROM coal data was statistically analyzed to determin

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Kerr, Kent. "Sampling for Beryllium Surface Contamination using Wet, Dry and Alcohol Wipe Sampling." Washington, D.C. : Oak Ridge, Tenn. : United States. National Nuclear Security Administration ; distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy, 2004. http://www.osti.gov/servlets/purl/837587-M4P95G/native/.

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Thesis (M.S.); Submitted to Central Missouri State University, Warrensburg, MO (US); 17 Dec 2004.<br>Published through the Information Bridge: DOE Scientific and Technical Information. Kerr, Kent. NNSA Kansas City Site Office (US) NNSA Kansas City Site Office. 12/17/2004. Report is also available in paper and microfiche from NTIS.

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6

Castorena, Juan. "Full-Waveform LIDAR Recovery at Sub-Nyquist Rates." International Foundation for Telemetering, 2013. http://hdl.handle.net/10150/579674.

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ITC/USA 2013 Conference Proceedings / The Forty-Ninth Annual International Telemetering Conference and Technical Exhibition / October 21-24, 2013 / Bally's Hotel & Convention Center, Las Vegas, NV<br>Third generation LIDAR full-waveform (FW) based systems collect 1D FW signals of the echoes generated by laser pulses of wide bandwidth reflected at the intercepted objects to construct depth profiles along each pulse path. By emitting a series of pulses towards a scene using a predefined scanning patter, a 3D image containing spatial-depth information can be constructed. Unfortunately, acquisitio

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7

Rahman, S. M. Rayhan. "Performance of local planners with respect to sampling strategies in sampling-based motion planning." Thesis, McGill University, 2011. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=96891.

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Automatically planning the motion of rigid bodies moving in 3D by translation and rotation in the presence of obstacles has long been a research challenge for mathematicians, algorithm designers and roboticists. The field made dramatic progress with the introduction of the probabilistic and sampling-based "roadmap" approach. However, motion planning when narrow passages are present has remained a challenge. This thesis presents a framework for experimenting with combinations of sampling strategies and local planners, and for comparing their performance on user defined input problems. Our frame

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8

Wong, Raymond Y. P. "Critical analysis of the existing food sampling programmes." Thesis, University of Strathclyde, 2000. http://oleg.lib.strath.ac.uk:80/R/?func=dbin-jump-full&object_id=21140.

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Existing food sampling programmes used by the local authorities, if they exist, operate in a 'hit or miss' fashion, and the use of small sample size is common in the programmes. Although the U.K. food co-ordination network is well developed, the complexity of the three-way systems creates many complications and duplications. Also, compliance with the European legislation generates extra burdens to the U.K. governments. A national survey was undertaken in 1998 to investigate the purpose and effectiveness on local authonty food sampling. Although only half of the returns believed that local food

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9

Amoako-Tuffour, Yaw. "Design of an automated ingestible gastrointestinal sampling device." Thesis, McGill University, 2014. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=123257.

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An ingestible, electromechanical capsule was designed to collect physical samples from the lumen of the human gastrointestinal tract with the aims of being able to better localize the source of gastrointestinal ailments, explore the microbiome, and monitor metabolic processes. A complete prototype was developed encompassing hardware, custom electronics, firmware and a novel sampling mechanism leveraging the cylindrical shape of the device. The prototype was assessed for its ability to collect samples and maintain their integrity; withstand the environmental conditions and forces associated wit

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10

Morin, Antoine. "Estimation and prediction of black fly abundance and productivity." Thesis, McGill University, 1987. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=75447.

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Sampling and analytical techniques to estimate abundance and productivity of stream invertebrates are examined for their precision and accuracy, and then utilized to develop empirical models of sampling variability, abundance, and growth rates of overwintering larvae of black flies (Diptera: Simuliidae). Sampling variability of density estimates of stream benthos increases with mean density, and decreases with sampler size. Artificial substrates do not consistently reduce sampling variability, and introduce variable bias in estimates of simuliid density. Growth rates of overwintering simuliids

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11

Castorena, Juan. "A Comparison of Compressive Sensing Approaches for LIDAR Return Pulse Capture, Transmission, and Storage." International Foundation for Telemetering, 2014. http://hdl.handle.net/10150/577483.

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ITC/USA 2014 Conference Proceedings / The Fiftieth Annual International Telemetering Conference and Technical Exhibition / October 20-23, 2014 / Town and Country Resort & Convention Center, San Diego, CA<br>Massive amounts of data are typically acquired in third generation full-waveform (FW) LIDAR systems to generate image-like depthmaps of a scene of acceptable quality. The sampling systems acquiring this data, however, seldom take into account the low information rate generally present in the FW signals and, consequently, they sample very inefficiently. Our main goal here is to compare two e

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12

Payette, Francois. "Applications of a sampling strategy for the ERBE scanner data." Thesis, McGill University, 1988. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=61784.

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Ertefaie, Ashkan. "Casual inference via propensity score regression and length-biased sampling." Thesis, McGill University, 2011. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=104784.

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Confounder adjustment is the key in the estimation of exposure effect in observational studies. Two well known causal adjustment techniques are the propensity score and the inverse probability of treatment weighting. We have compared the asymptotic properties of these two estimators and showed that the former method results in a more efficient estimator. Since ignoring important confounders result in a biased estimator, it seems beneficial to adjust for all the covariates. This, however, may result in an inflation of the variance of the estimated parameters and induce bias as well. We presen

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Sacher, William. "The effect of sampling noise in ensemble-based Kalman filters." Thesis, McGill University, 2009. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=66769.

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Ensemble-based Kalman filters have drawn a lot of attention in the atmospheric and ocean scientific community because of their potential to be used as a data assimilation tool for numerical prediction in a strongly nonlinear context at an affordable cost. However, many studies have noted practical problems in their implementation. Indeed, being Monte-Carlo methods, the useful parameters are estimated from a sample of limited size of independent realizations of the process. As a consequence, the unavoidable sampling noise impacts the quality of the analysis. An idealized perfe

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Foster, Kristina. "Using Distinct Sectors in Media Sampling and Full Media Analysis to Detect Presence of Documents from a Corpus." Thesis, Monterey, California. Naval Postgraduate School, 2012. http://hdl.handle.net/10945/17365.

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Approved for public release; distribution is unlimited<br>Forensics examiners frequently search for known content by comparing each file from a target media to a known file hash database. We propose using sector hashing to rapidly identify content of interest. Using this method, we hash 512 B or 4 KiB disk sectors of the target media and compare those to a hash database of known file blocks, fixed-sized file fragments of the same size. Sector-level analysis is fast because it can be parallelized and we can sample a sufficient number of sectors to determine with high probability if a known file

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Azerêdo, Daniel Mendes. "Pesquisas sob amostragem informativa utilizando o FBST." Universidade de São Paulo, 2013. http://www.teses.usp.br/teses/disponiveis/45/45132/tde-19082013-161233/.

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Pfeffermann, Krieger e Rinott (1998) apresentaram uma metodologia para modelar processos de amostragem que pode ser utilizada para avaliar se este processo de amostragem é informativo. Neste cenário, as probabilidades de seleção da amostra são aproximadas por uma função polinomial dependendo das variáveis resposta e concomitantes. Nesta abordagem, nossa principal proposta é investigar a aplicação do teste de significância FBST (Full Bayesian Significance Test), apresentado por Pereira e Stern (1999), como uma ferramenta para testar a ignorabilidade amostral, isto é, para avaliar uma relação d

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Turner, Barry John. "Spatial sampling and vertical variability effects on microwave radiometer rainfall estimates." Thesis, McGill University, 1991. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=59910.

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Three-dimensional radar data for three Florida storms are used with a radiative transfer model to simulate observations at 19 GHz by a nadir pointing, satellite bourne microwave radiometer. Estimates were made of spatial sampling errors due to both horizontal and vertical variability of the precipitation. Calibrated radar data were taken as realistic representations of rainfall fields.<br>The optimal conversion between microwave brightness temperature and rainfall rate was highly sensitive to the spatial resolution of observations. Retrievals were made from the simulated microwave measurements

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Makulsawatudom, Arun. "Construction productivity measurement and improvement in Thailand by improved work-sampling." Thesis, University of Strathclyde, 2003. http://oleg.lib.strath.ac.uk:80/R/?func=dbin-jump-full&object_id=21527.

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The Thailand construction industry is the database for this research, which consists of three main sections. As there has been a lack of research in the construction industry in Thailand, firstly, structured questionnaires were distributed to project manager, foremen and craftsmen, to observe general construction productivity and to find out if a work-sampling study could be tailored to detect these problems. The results indicated that lack of materials, incomplete drawing and lack of tools and equipment have the greatest effect on construction productivity in Thailand, and so a work-sampling

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Kaharabata, Samuel K. "Moisture transfer behind windbreaks : laboratory simulations and conditional sampling in the field." Thesis, McGill University, 1991. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=60535.

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The spatial distribution of local evaporation from ground-based sources behind solid and porous windbreaks was studied in laboratory models for steady state and intermittent flows. Field observations of wind and turbulence characteristics (turbulence intensity, power spectra and integral length scale L) over surfaces whose zero displacement (d) and roughness length (z$ sb0$) had also been determined, were used to scale the laboratory simulations. Scaling parameters were z/z$ sb0$, $ sigma$/U, L/z$ sb0$ and Uz$ sb{0}$/K, where z, U, $ sigma$ and K are height, wind speed, standard deviation of v

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Bergeron, Pierre-Jérôme. "Covariates and length-biased sampling : is there more than meets the eye ?" Thesis, McGill University, 2006. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=102958.

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It is well known that when subjects with a disease are identified through a cross-sectional survey and then followed forward in time until either failure or censoring, their estimated survival function of the true survival function from onset are biased. This bias, which is caused by the sampling of prevalent rather than incident cases, is termed length bias if the onset time of the disease forms a stationary Poisson process. While authors have proposed different approaches to the analysis of length-biased survival data, there remain a number of issues that have not been fully addressed. The m

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21

Morrone, Dario. "Induced bias on measuring influence by length-biased sampling of failure times." Thesis, McGill University, 2008. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=21931.

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Influence diagnostic measures for various statistical models have been developed. Nonetheless, a proper influence measure for handling right-censored prevalent cohort data has yet to have been suggested. We present an influence measure which properly accounts for the length-bias and right censoring encountered in prevalent cohort data. This measure makes use of a likelihood correctly accounting for length-bias and possible information in the marginal covariate distribution. An approximation of this influence diagnostic measure is also developed. We illustrate the relevance of correctly incorpo

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Matta, Marwan. "Spatiotemporal interpolation for sampling grid conversion with application to scalable video coding." Thesis, McGill University, 1994. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=22663.

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Scan conversion for 2:1 field rate conversion from a SIF transmission format to a CCCIR601 video display format, and scan conversion for scalability are presented. We also address scan conversion from interlaced to progressive formats, also known as deinterlacing. For this purpose we examine adaptive weighted and switched techniques based on spatial and motion-compensated deinterlacing. We introduce a motion-adaptive frame rate conversion based on motion-compensated and temporal interpolation. When motion is relatively low at a pixel neighborhood, temporal interpolation will be carried out, ot

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McCray, Robert B. "UTILIZATION OF A SMALL UNMANNED AIRCRAFT SYSTEM FOR DIRECT SAMPLING OF NITROGEN OXIDES PRODUCED BY FULL-SCALE SURFACE MINE BLASTING." UKnowledge, 2016. http://uknowledge.uky.edu/mng_etds/31.

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Emerging health concern for gaseous nitrogen oxides (NOx) emitted during surface mine blasting has prompted mining authorities in the United States to pursue new regulations. NOx is comprised of various binary compounds of nitrogen and oxygen. Nitric oxide (NO) and nitrogen dioxide (NO2) are the most prominent. Modern explosive formulations are not designed to produce NOx during properly-sustained detonations, and researchers have identified several causes through laboratory experiments; however, direct sampling of NOx following full-scale surface mine blasting has not been accomplished. The p

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Rabbath, Camille Alain. "Sensitivity of the discrete- to continuous-time pole transformation at fast sampling rates." Thesis, McGill University, 1995. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=23267.

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This thesis examines the propagation of small relative errors in poles in discrete-time domains $z, varepsilon={{z-1} over {T}}, z sp prime=z-1, w sp prime={2 over {T}}{{z-1} over{z+1}}$ and z = ${{z-1} over{Tz}},$ where T is the sampling period, to the continuous-time domain. By prescribing pole locations in the discrete-time domains or usable sampling periods in a continuous-time context, sensitivity specifications in time constant of a real pole, natural frequency, damping ratio and uncertain relative region of a complex pole can be achieved. It is shown in this thesis that the alternative

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Vafaee, Manouchehr S. "Evaluation and implementation of an automated blood sampling system for positron emission tomographic studies." Thesis, McGill University, 1993. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=57009.

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Quantification of physiological functions with positron emission tomography requires knowledge of the arterial radioactivity concentration. Automated blood sampling systems increase the accuracy of this measurement, particularly for short-lived tracers such as oxygen-15, by reducing the sampling interval to a fraction of a second. They, however, require correction for tracer delay between the arterial puncture site and the external radiation detector (external delay), and for the tracer bolus distortion in the sampling catheter (external dispersion).<br>We have evaluated and implemented the "S

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Shu, Weihuan. "Optimal sampling rate assignment with dynamic route selection for real-time wireless sensor networks." Thesis, McGill University, 2009. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=32351.

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The allocation of computation and communication resources in a manner that optimizes aggregate system performance is a crucial aspect of system management. Wireless sensor network poses new challenges due to the resource constraints and real-time requirements. Existing work has dealt with the real-time sampling rate assignment problem, under single processor case and network case with static routing environment. For wireless sensor networks, in order to achieve better overall network performance, routing

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Gibson, Keith W. "Time-concentrated sampling : a simple strategy for information gain at a novel, depleted patch." Thesis, McGill University, 2002. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=78368.

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Little theoretical or empirical research has examined how an animal that has found and exploited a new patch should determine whether and when it will renew. A rapid series of visits to the patch should provide information concerning the probability of a quick renewal. If a renewal is not encountered, however, a subsequent decrease in the rate of visits should allow monitoring of the patch at minimal cost. After a long period without renewal, a patch should not be visited at all. By analogy with area-concentrated search, I propose the term 'time-concentrated sampling' (TCS) for this pat

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Rowan, David J. "The distribution, texture and trace element concentrations of lake sediments /." Thesis, McGill University, 1992. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=70361.

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Hypotheses regarding the distribution, texture and trace element concentrations of lake sediments were tested by empirical analyses of multi-lake data sets (52 to 83 lakes). Sediment distribution was best characterized by the deposition boundary depth (DBD), the abrupt transition from coarse- to fine-grained sediments. The DBD can now be predicted from either empirical models or empirical-theoretical simplifications of wave of sediment threshold theory, both in terms of exposure (or fetch) and bottom slope. The texture (organic content, water content and bulk density) of profundal sediments wa

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Simon, Philippe 1964. "Long-term integrated sampling to characterize airborne volatile organic compounds in indoor and outdoor environments." Thesis, McGill University, 1997. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=34455.

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Sampling methods used for the assessment of exposure to volatile organic chemicals (VOCs) in the workplace or for environmental studies are now limited to an upper integrative sampling time of 24 hours or less. Generally, these methods lack versatility and are difficult to use. A passive sampler that can extend sampling periods was developed as part of this research. This novel sampler relies on capillary tubes to restrict and control ambient air entry into an evacuated sample container.<br>A mathematical model was derived by modifications to the Hagen-Poiseuille and ideal gas laws. This model

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Beedell, David C. (David Charles). "The effect of sampling error on the interpretation of a least squares regression relating phosporus and chlorophyll." Thesis, McGill University, 1995. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=22720.

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Least squares linear regression is a common tool in ecological research. One of the central assumptions of least squares linear regression is that the independent variable is measured without error. But this variable is measured with error whenever it is a sample mean. The significance of such contraventions is not regularly assessed in ecological studies. A simulation program was made to provide such an assessment. The program requires a hypothetical data set, and using estimates of S$ sp2$ it scatters the hypothetical data to simulate the effect of sampling error. A regression line is drawn

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Cerigo, Helen. "HPV knowledge and self-sampling for the detection of HPV-DNA among Inuit women in Nunavik, Quebec." Thesis, McGill University, 2011. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=96825.

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The prevalence of human papillomavirus (HPV), a necessary cause of cervical cancer has been found to be high in Inuit populations. This study examined 1) the level of knowledge about HPV infection and its relation to cervical cancer and 2) the comparability of self-collected cervicovaginal samples to provider-collected cervical samples for the detection of HPV and to assess preference of sampling methods among Inuit women in Nunavik, Quebec. Questionnaires were used to measure HPV knowledge and sampling method preference. To assess comparability of sampling techniques, samples were tested for

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Grimm, Carsten. "Well-Being in its Natural Habitat: Orientations to Happiness and the Experience of Everyday Activities." Thesis, University of Canterbury. Psychology, 2013. http://hdl.handle.net/10092/8040.

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Peterson, Park, and Seligman (2005) have proposed that individuals seek to increase their well-being through three behavioural orientations; via pleasure, meaning, and engagement. The current study investigated how orientations to happiness influenced the pursuit and experience of daily activities using an experience sampling methodology (ESM). Daily activities were experienced as a blend of both hedonic and eudaimonic characteristics. Dominant orientation to happiness did not predict engaging in different daily activities. Trait orientations to happiness had some influence on the momentary ex

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Rossner, Alan. "The development and evaluation of a novel personal air sampling canister for the collection of gases and vapors /." Thesis, McGill University, 2002. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=84428.

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A continuing challenge in occupational hygiene is that of estimating exposure to the multitude of airborne chemicals found in the workplace and surrounding community. Occupational exposure limits (OELs) have been established to prescribe the acceptable time weighted average for many different chemicals. Comparing the OELs to the measured workplace concentration allows occupational hygienists to assess the health risks and the need for control measures. Hence, methods to more effectively sample contaminants in the workplace are necessary to ensure that accurate exposure characterizations

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Pardon, Gaspard. "From Macro to Nano : Electrokinetic Transport and Surface Control." Doctoral thesis, KTH, Mikro- och nanosystemteknik, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-144994.

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Today, the growing and aging population, and the rise of new global threats on human health puts an increasing demand on the healthcare system and calls for preventive actions. To make existing medical treatments more efficient and widely accessible and to prevent the emergence of new threats such as drug-resistant bacteria, improved diagnostic technologies are needed. Potential solutions to address these medical challenges could come from the development of novel lab-on-chip (LoC) for point-of-care (PoC) diagnostics. At the same time, the increasing demand for sustainable energy calls for the

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De, la Chenelière Véronik. "The risks and benefits of an invasive technique, biopsy sampling, for an endangered population, the St. Lawrence beluga (Delphinapterus leucas) /." Thesis, McGill University, 1998. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=21536.

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Research can conflict with conservation when invasive techniques are used on protected animal species. We developed a decision framework including the research question, the choice of technique, and the recommended course of action following the evaluation of the risks and benefits. This evaluation includes biological risks and benefits and considerations linked to the perception of resource users. We applied this framework a posteriori to a case study, the use of biopsy sampling on St. Lawrence belugas. We monitored the biological risks and benefits over four field seasons using behavioural a

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Qin, Yulin. "Non-Parametric and Parametric Estimators of the Survival Function under Dependent Censorship." University of Cincinnati / OhioLINK, 2013. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1368086293.

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Leong, Aaron. "Population prevalence of diabetes: validation of a case definition from health administrative data using a population-based survey and home blood glucose sampling." Thesis, McGill University, 2013. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=116891.

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Background: Previous validation studies of diabetes case definitions from health administrative data are scarce and have not systematically assessed undiagnosed diabetes. We aimed to determine the accuracy of a diabetes case definition (two physician claims or one hospitalization for diabetes, within a two-year period; Canadian National Diabetes Surveillance System, NDSS) using a systematic review of the published literature and by comparing cases identified from the Quebec health services administrative databases to those obtained from self-report, respectively. We also estimated the prevalen

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Benamara, Tariq. "Full-field multi-fidelity surrogate models for optimal design of turbomachines." Thesis, Compiègne, 2017. http://www.theses.fr/2017COMP2368.

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L’optimisation des différents composants d’une turbomachine reste encore un sujet épineux, malgré les récentes avancées théoriques, expérimentales ou informatiques. Cette thèse propose et investigue des techniques d’optimisation assistées par méta-modèles vectoriels multi-fidélité basés sur la Décomposition aux Valeurs Propres (POD). Le couplage de la POD à des techniques de modélisation multifidélité permet de suivre l’évolution des structures dominantes de l’écoulement en réponse à des déformations géométriques. Deux méthodes d’optimisation multi-fidélité basées sur la POD sont ici proposées

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Warren, Georgina. "Developing land management units using Geospatial technologies: An agricultural application." Curtin University of Technology, Department of Spatial Sciences, 2007. http://espace.library.curtin.edu.au:80/R/?func=dbin-jump-full&object_id=17509.

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This research develops a methodology for determining farm scale land managementunits (LMUs) using soil sampling data, high resolution digital multi-spectral imagery (DMSI) and a digital elevation model (DEM). The LMUs are zones within a paddock suitable for precision agriculture which are managed according to their productive capabilities. Soil sampling and analysis are crucial in depicting landscape characteristics, but costly. Data based on DMSI and DEM is available cheaply and at high resolution.The design and implementation of a two-stage methodology using a spatiallyweighted multivariate

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Vallelonga, Paul Travis. "Measurement of Lead Isotopes in Snow and Ice from Law Dome and other sites in Antarctica to characterize the Lead and seek evidence of its origin." Curtin University of Technology, School of Applied Science, 2002. http://espace.library.curtin.edu.au:80/R/?func=dbin-jump-full&object_id=14018.

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Human activities such as mining and smelting of lead (Pb) ores and combustion of alkyllead additives in gasoline have resulted in extensive global Pb pollution. Since the late 1960's studies of polar ice and snow have been undertaken to evaluate the extent of anthropogenic Pb emissions in recent times as well as to investigate changes in anthropogenic Pb emissions in the more distant past. The polar ice sheets have been used to investigate Pb pollution as they offer a long-term record of human activity located far from pollution sources and sample aerosol emissions on a hemispheric scale. Lead

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Hsieh, Hung-Chih, and 謝鴻志. "The full-field heterodyne interferometry with novel sampling scheme." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/00396438979331007005.

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博士<br>國立交通大學<br>光電工程學系<br>99<br>In order to apply the heterodyne interferometry to the full-field measurement by using a digital camera, the relations between the camera sampling frequency and the heterodyne frequency are investigated based on the procedures to derive the associated phases. We find that the full-field heterodyne interferometry can be operated whether the sampling conditions meet the Nyquist sampling theorem or not. The large step height and the refractive index distribution are performed in order with the conventional Nyquist sampling theorem. Then, the optimal conditions for

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"Glauber Dynamics for Sampling an Edge Colouring of Full Homogeneous Trees." 2016. http://repository.lib.cuhk.edu.hk/en/item/cuhk-1292280.

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我們研究用 Glauber Dynamics 隨機抽出圖頂點著色的問題。這是個有趣的問題因為 Jerrum 證明如果能隨機抽出頂點著色，則可以找出圖形著色數目的近似值。我們希望有多項式時間內的取樣器。Glauber Dynamics 用馬可夫鏈抽出圖形著色並被大量研究。它的狀態空間是頂點著色的集合。每一步我們隨機抽出一種顏色 c 和頂點 u，並嘗試把 u 的顏色改成 c。如果有衝突則停留在現在的顏色。假設圖的最大度是 d，顏色數目是 q。這問題其中一個目標是証明當 q 不少於 d + 2 時，混合時間是多項式時間。現在最好的成果是 Vigoda 提出的對於所有圖，混合時間是多項式時間如果 q 不少於 11d/6。對於某一種類的圖，我們可以用更少的顏色。其中一個例子是有大周長和大的最大度的圖。<br>在這篇論文，我們集中在用 Glauber Dynamics 隨機抽出正則樹邊著色的問題。這相當於用 Glauber Dynamics 隨機抽出正則樹的線圖的頂點著色。我們研究這特殊例子因為線圖的周長小因此不能直接應用之前的結果。目前最好的結果是 vigoda 的多項式混合時間如果 q 不少於 11d/3。我們的主要成果是多項式混合時間如果 q 不少於 2d。<br>We study the problem of sampling a graph colouring us

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Chen, Chien-Chih, and 陳建志. "A Full-system Heterogeneous Multicore Simulation Platform and Accelerating Architecture-Level Simulation by Sampling Simulation." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/7j27pf.

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Chang, Jia-ning, and 張家寧. "A Study on Recognition & Preference of Mountain Bike -Sampling from Full Suspension Mountain Bike." Thesis, 1996. http://ndltd.ncl.edu.tw/handle/76964398483496801312.

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碩士<br>國立臺灣科技大學<br>工程技術研究所<br>84<br>The mountain bike represents the most exciting development in cycling this century, It gives cyclists access to places that were once thought impossible to ride, and makes cycling access -ible to millions who once thought they would never enjoy riding a bike. Now the affluent world''s most popular bicycle, the mountain bike, with fat tyres, low gears, heavy-duty brakes, and beefedup frame, has turned a century of cycling technology on its head and opened

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Lin, Sheng-Wei, and 林聲偉. "VLSI Design of Fast Global Elimination Algorithm with Sub-sampling Preprocess for Full Search Motion Estimation." Thesis, 2006. http://ndltd.ncl.edu.tw/handle/94204185300113567390.

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碩士<br>國立中興大學<br>電機工程學系所<br>94<br>In this thesis, a fast and efficient full search algorithm, which is accelerated by sub-sampling preprocess, is proposed to reduce the computation costs of block matching algorithm for full search motion estimation in video compressions. The proposed fast global elimination algorithm (FGEA) is derived from the previous GEA and multilevel successive elimination algorithm (MSEA), which can skip unnecessary search positions by the preprocessing unit. We employ the preprocessing unit to calculate the sub-sampling sum of subblock absolute difference (subblock-AD) fo

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Chu, Ming-Liang, and 朱明亮. "A study of influence the life insurance agent training course designing under full financial products service --- Sampling F financial holding company." Thesis, 2002. http://ndltd.ncl.edu.tw/handle/85681761579973394714.

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碩士<br>銘傳大學<br>管理科學研究所碩士在職專班<br>90<br>Faced with competition among international financial groups, On Nov. 2001, ROC government has passed the Financial Holding Company Law. The new law will open the door for financial group to transform into financial holding companies, allowing their operations to cover banking, stocks and securities, futures, credit card, trust, insurance and venture capital. To start the new financial services business model for Taiwan. We will need to reengineer an advantageous environment. Via the full financial services and cross selling, we will be able to expand busine

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Guan-MinLiao and 廖冠旻. "Adsorption of MIB/geosmin by powdered activated carbon (PAC) in conventional water treatment：From bench-scale HSDM prediction to full-scale samplings." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/92nr56.

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Boscardin, Adriane G. "Development of miniature full flow and model pipeline probes for testing of box core samples of surficial seabed sediments." 2013. https://scholarworks.umass.edu/dissertations/AAI3588996.

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The box corer is a relatively new tool used in the geotechnical community for collection of soft seabed sediments. Miniature full flow and model pipeline probes were developed as tools to characterize and obtain soil parameters of soft seabed sediments collected in the box core for design of offshore pipelines and analysis of shallow debris flows. Probes specifically developed for this study include the miniature t-bar, ball, motorized vane (MV), and toroid. The t-bar, ball, and MV were developed to measure intact and remolded undrained shear strengths (su and sur). The t-bar and ball can obta

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Wu, Cheng-han, та 吳承翰. "一、Determination of trace element in fuels by using slurry sampling electrothermal vaporization inductively coupled plasma mass spectrometry二、Determination of dissolved silver(I) and silver nanoparticles based on single particle detection by inductively coupled plasma mass spectrometry". Thesis, 2016. http://ndltd.ncl.edu.tw/handle/8937un.

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碩士<br>國立中山大學<br>化學系研究所<br>104<br>The first research, the determination of S, As, Cd, Hg and Pb in fuels by USS-ETV-ICP-MS was described. Palladium and tartaric acid was used as the modifier to enhance the ion signals. In the experiment procedure, the operation conditions, sample concentration, DRC system conditions and spectral interference were studied. Vaporization temperature and ash temperature was set as 2100oC and 380oC. Oxygen was used in the dynamic reaction cell to convert 32S+ to 32S16O+, that can reduce the interference causing by 16O16O+. Finally, the method has been applied to det

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