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Dissertations / Theses on the topic 'Trap Efficiency'

Author: Grafiati

Published: 3 June 2025

Last updated: 31 July 2025

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1

Stoddard, Daniel Mark. "Evaluation of sediment trap efficiency in an estuarine environment." Thesis, Springfield, Va. : Available from National Technical Information Service, 2001. http://handle.dtic.mil/100.2/ADA403559.

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2

Scott, Derek. "EVALUATION OF THE PERFORMANCE OF FLOCCULATION TO ENHANCE SEDIMENT TRAP EFFICIENCY." UKnowledge, 2015. http://uknowledge.uky.edu/bae_etds/32.

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Weathered sandstone materials have seen increased use in reclamation due to the wide-spread adoption of the Forest Reclamation Approach (FRA) in Appalachia. Runoff from these newly FRA reclaimed sites has the potential to adversely impact aquatic environments without fine sediment retention. To reduce the size and capital investment of settling ponds, flocculant utilization was investigated. Preliminary jar tests were conducted using composite weathered mine spoil samples acquired from a surface coal mine in eastern Kentucky. Four flocculants from the Magnafloc family of products were investig

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3

Tsakiridis, Anestis. "Assessing the efficiency of novel gene trap vectors in murine embryonic stem cells." Thesis, University of Edinburgh, 2007. http://hdl.handle.net/1842/29405.

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The aim of the study presented here was to assess the efficiency of a series of gene trap vectors that incorporate two novel features in their design: (i) the presence of an ATG-less, 5’ triple fusion between egfp, beta galactosidase and neomycin/hygromycin resistance genes to function as a reporter/selector of the trapped gene’s expression state and (ii) a 3’ poly(A) trap cassette that consists of the constituttive human β-actin promoter, the neomycin resistance gene and the rabbit β-globin exon 2/intron 2 SD junction. An AU-rich element (ARE) was also included to further promote selection of

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4

Persson, Annika. "Sedimentprovtagning av dagvattendammar som ett alternativ till flödesproportionell vattenprovtagning." Thesis, Institutionen för mark och miljö, SLU, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-123424.

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<p>Stormwater run-off from surfaces such as roads or rooftops is often polluted with heavy metals and nutrients. Many of these substances can cause great damage in biota if they end up in the recipient. In Sweden constructed wetlands and ponds for treatment of stormwater are frequently used, since research has shown that these treatment ponds are reducing stormwater pollution considerably to a low cost. The knowledge of these pollutant removal mechanisms and how follow-up and assessment of the ponds should be performed is still limited.</p><p>To determine the pollutant removal efficiency of th

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5

Van, Der Meer Ester. "Is the grass greener on the other side? : testing the ecological trap hypothesis for African wild dogs (Lycaon pictus) in and around Hwange National Park." Thesis, Lyon 1, 2011. http://www.theses.fr/2011LYO10095/document.

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Lorsque des animaux montrent un choix préférentiel pour un habitat à effet puits, on dit alors qu’ils sont capturés par un piège écologique. La sélection de l’habitat est bénéfique dans les systèmes classiques de type source-puits, puisque les animaux vivant dans des habitats de haute qualité (natalité>mortalité), choisissent de migrer vers des habitats de faible qualité (natalité<br>When animals show a preferential choice for sink habitat they are said to have been caught in an ecological trap. Habitat choice behaviour is beneficial in classic source-sink systems, as animals living in high

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6

Ukeje-Eloagu, Chibuike Igbokwe. "Tray efficiency effects in batch distillation." Thesis, University of Nottingham, 1998. http://eprints.nottingham.ac.uk/13643/.

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Computer simulation has long been recognised as a useful tool in improved process operation and design studies. Commercial simulation packages now available for batch distillation studies typically assume constant tray efficiency. Here, on the basis of both practical work and computer simulation, the effects of tray efficiency variation with tray liquid composition on model accuracy and column performance are investigated. Detailed modelling studies were carried out on a pilot batch distillation unit and tray efficiency was found to be an important factor affecting the model fidelity. Distilla

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7

Wainewright, Evelyn. "Efficient Simulation for Quantum Message Authentication." Thesis, Université d'Ottawa / University of Ottawa, 2016. http://hdl.handle.net/10393/35213.

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A mix of physics, mathematics, and computer science, the study of quantum information seeks to understand and utilize the information that can be held in the state of a quantum system. Quantum cryptography is then the study of various cryptographic protocols on the information in a quantum system. One of the goals we may have is to verify the integrity of quantum data, a process called quantum message authentication. In this thesis, we consider two quantum message authentication schemes, the Clifford code and the trap code. While both of these codes have been previously proven secure, they hav

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8

Kaeser, Michael. "Heat integrated distillation : the impact of heat transfer on Murphree tray efficiency." Thesis, University of Edinburgh, 2004. http://hdl.handle.net/1842/12324.

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The design of a heat transfer sieve tray and its operation in an adiabatic 150 mm diameter distillation column is described. The capability to transfer a significant amount of heat is pivotal; hence, altering the vapour and liquid composition in a traceable way. The design philosophy of the heat transfer sieve tray and appropriate sampling devices are explained in detail. A review of heat integration technology is included. Numerous experiments with a binary mixture of methanol-water have been conducted in the cooling and heating mode respectively. The influence on Murphree tray efficiency of

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9

Hamade, Firas Nadim. "Sediment removal from urban runoff using seep berms and vegetative filtration." Diss., Georgia Institute of Technology, 2013. http://hdl.handle.net/1853/50271.

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Previous field demonstration projects in metro-Atlanta have shown that seep berms, which are elongated sedimentation basins at the outlet of a disturbed land area, can provide high suspended sediment trap efficiencies with respect to coarse sediments on construction sites having drainage areas greater than five acres. Previous literature has shown that vegetative filter strips are efficient traps for fine suspended sediment in stormwater runoff. A combination of a seep berm and vegetative filter in series was studied in this thesis as an erosion control measure with quantification of its flow

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10

García-Martínez, José Antonio. "Fundamental model for the prediction of distillation sieve tray efficiency : hydrocarbon and aqueous systems /." Digital version accessible at:, 1999. http://wwwlib.umi.com/cr/utexas/main.

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11

Walter, Matthias. "Efficiency and Competition in Public Transport." Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2010. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-27042.

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Bus and other road-bound services like tram and light railway are the backbone of the German local public transport sector. Based on the characterization of high deficits and fragmentation, five main research questions and hypotheses are investigated in this dissertation. First, advanced Stochastic Frontier models which account for unobserved heterogeneity and heterogeneous output variables are used to study cost efficiency and its determinants such as the vehicle utilization rate. Second, economies of scale and scope are evaluated. Third, based on the finding of substantial economies of scal

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12

Brandenburg, Boerries. "Cell permeable nucleocapsids as a novel tool for efficient gene tran." [S.l.] : [s.n.], 2005. http://www.diss.fu-berlin.de/2005/148/index.html.

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13

Bani, Younes Maram Younis Saleh. "Efficient Traffic Control Protocols for Vehicular Ad-Hoc Networks." Thesis, Université d'Ottawa / University of Ottawa, 2015. http://hdl.handle.net/10393/32060.

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Traffic efficiency applications over road networks have been investigated recently using VANETs. This area of research is primarily concerned with increasing the traffic fluency over road networks. In this thesis, we first propose an efficient and accurate protocol to detect congested road segments in a downtown area using VANETs. We refer to this protocol as the Efficient COngestion DEtection (ECODE) protocol. ECODE evaluates three different traffic characteristics of each road segment including traffic speed, traffic density, and the time required to travel the segment. Moreover, ECODE evalu

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14

Tran, Duc Tri [Verfasser]. "Technical efficiency, technical change and return to scale of rice, maize and agricultural production in Vietnam / Duc Tri Tran." Göttingen : Niedersächsische Staats- und Universitätsbibliothek Göttingen, 2020. http://d-nb.info/1213974712/34.

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15

Amoah, Barbara Amoh. "Monitoring populations of the ham mite, Tyrophagus putrescentiae (Schrank) (Acari: Acaridae): research on traps, orientation behavior, and sampling techniques." Diss., Kansas State University, 2016. http://hdl.handle.net/2097/32489.

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Doctor of Philosophy<br>Department of Entomology<br>Thomas W. Phillips<br>The phase-out of methyl bromide production, the most effective fumigant for the control of the ham mite, Tyrophagus putrescentiae (Schrank) (Acari: Acaridae), on dry-cured ham has necessitated the search for other management methods. The foundation of a successful management program is an effective monitoring program that provides information on pest presence and abundance over time and space to help in making management decisions. By using the standard trap made from disposable Petri dishes and a dog food-based bait, mi

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16

Gunasekaran, Sidaard. "Relationship Between the Free Shear Layer, the Wingtip Vortex and Aerodynamic Efficiency." University of Dayton / OhioLINK, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=dayton1470231642.

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17

Invernici, Pedro Luís. "Avaliação da eficiência de pratos valvulados de dois passes com downcomer de uma coluna de destilação industrial." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2009. http://hdl.handle.net/10183/16919.

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Este trabalho aborda a predição da eficiência de pratos valvulados de dois passes, de escoamento cruzado com downcomers de uma coluna de destilação industrial, através do uso de diferentes modelos com e sem o uso do método Stagnant Regions Model proposto por Lockett em 1986. Contrariando o esperado, poucos artigos foram publicados sobre as principais características de pratos valvulados e bem menos sobre eficiência de pratos valvulados de dois passes. Os resultados encontrados sugerem que a correlação de O'Connell, o modelo de Chan e Fair aplicado aos pratos valvulados de dois passes convertid

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18

Anany, Hossam. "Effectiveness of a Speed Advisory Traffic Signal System for Conventional and Automated vehicles in a Smart City." Thesis, Linköpings universitet, Kommunikations- och transportsystem, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-156650.

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This thesis project investigates the state-of-the-art in traffic management "Green Light Optimal Speed Advisory (GLOSA)" for vehicles in a smart city. GLOSA utilizes infrastructure and vehicles communication through using current signal plan settings and updated vehicular information in order to influence the intersection approach speeds. The project involves traffic microscopic simulations for a mixed traffic environment of conventional and automated vehicles (AVs) both connected to the intersection control and guided by a speed advisory traffic management system. Among the project goals is t

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19

Brosgård, Philip, and Anna Fahlman. "Kostnadseffektivisering och kvalitetsförbättring gällande hantering av skärvätska." Thesis, Blekinge Tekniska Högskola, Institutionen för maskinteknik, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:bth-10490.

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Projektet bestod i att ge underlag för lämpliga och användbara lösningar för effektivisering av Kockums Maskins skärvätskehantering och kostnadsrelaterade faktorer gällande företagets skärvätska. En grundlig undersökning av lämpligt material inom projektets huvudsakliga område gjordes till en början för att därefter resultera i en vidare analys av företagets nuvarande system och hantering av skärvätskor. Utifrån denna analys påbörjades en vidare undersökning om möjliga förslag om förbättring gällande de berörda problemen. Genom direktkontakt med flertalet företag och personer inom hantering/in

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20

Salaj, Jan. "Penzion s restaurací, Plumlov." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2013. http://www.nusl.cz/ntk/nusl-226387.

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The subject of this master´s thesis is the construction of the guest house with restaurant in the village Plumlov near Prostejov. It is a building with a floor partially sunk into the ground and two floors. Basement is designed as part of the restaurant. Floors are designed for the guest house. In the pension there is a total of 6 accommodation rooms with a total capacity of 15 persons. The restaurant has a comfortable dining area for 25 people. The restaurant also includes a kitchen where they will prepare hot meals. Cladding basement of the shuttering and floors are designed as wood house by

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21

Papaix, Claire. "Mise en œuvre des instruments de politique publique allant dans le sens d’une mobilité bas carbone des personnes en milieu urbain." Thesis, Paris Est, 2015. http://www.theses.fr/2015PEST0059.

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Cette thèse s'intéresse à la réconciliation entre le défi mondial du changement climatique et les solutions locales et sectorielles qu'il convient de bien articuler pour contribuer, efficacement, équitablement et de la manière la plus acceptable, à la réduction des émissions de CO2. Plus précisément, nous étudions les conditions pour une mise en place réussie de la politique climatique à l'échelle de la mobilité urbaine des personnes<br>This PhD thesis deals with the reconciliation of the global challenge that is climate change and the local and sectoral solutions that need to be accurately de

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22

Grim, Jakub. "Spektroskopie fotoionizačního přechodu neutrálního atomu vápníku emitovaného laserovou ablací." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2020. http://www.nusl.cz/ntk/nusl-417152.

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23

Nosjean, Nicolas. "Management et intégration des risques et incertitudes pour le calcul de volumes de roches et de fluides au sein d’un réservoir, zoom sur quelques techniques clés d’exploration Integrated Post-stack Acoustic Inversion Case Study to Enhance Geological Model Description of Upper Ordovicien Statics : from imaging to interpretation pitfalls and an efficient way to overcome them Improving Upper Ordovician reservoir characterization - an Algerian case study Tracking Fracture Corridors in Tight Gas Reservoirs : An Algerian Case Study Integrated sedimentological case study of glacial Ordovician reservoirs in the Illizi Basin, Algeria A Case Study of a New Time-Depth Conversion Workflow Designed for Optimizing Recovery Proper Systemic Knowledge of Reservoir Volume Uncertainties in Depth Conversion Integration of Fault Location Uncertainty in Time to Depth Conversion Emergence of edge scenarios in uncertainty studies for reservoir trap analysis Enhancing geological model with the use of Spectral Decomposition - A case study of a prolific stratigraphic play in North Viking Graben, Norway Fracture corridor identification through 3D multifocusing to improve well deliverability, an Algerian tight reservoir case study Geological Probability Of Success Assessment for Amplitude-Driven Prospects, A Nile Delta Case Study." Thesis, université Paris-Saclay, 2020. http://www.theses.fr/2020UPASS085.

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En tant que géoscientifique dans le domaine de l’Exploration pétrolière et gazière depuis une vingtaine d’années, mes fonctions professionnelles m’ont permis d’effectuer différents travaux de recherche sur la thématique de la gestion des risques et des incertitudes. Ces travaux de recherche se situent sur l’ensemble de la chaîne d’analyse Exploration, traitant de problématiques liées à l’acquisition et au traitement sismique, jusqu’au placement optimal de forages d’exploration. Un volet plus poussé de mes travaux s’est orienté sur la gestion des incertitudes géophysiques en Exploration pétroli

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24

Jong, Jiune-bin, and 鍾俊彬. "A Theoretical Study of the Particle Collection Efficiency of the Particle Trap Impactor." Thesis, 2001. http://ndltd.ncl.edu.tw/handle/67002935105777416565.

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碩士<br>國立交通大學<br>環境工程所<br>89<br>Inertial impactors are widely used in aerosol sampling devices to determine the size distribution of particles. For liquid particles, the experimental collection efficiency is S-shaped, similar to the ideal impactor efficiency and fits well with the theory critical curve. However, for solid particles, particle bounce occurs and will severely affect the measured size distribution. In order to overcome the problems of sampling solid particles, many new impactors have been designed. One of them is the particle trap impactor, where a cavity replaces the flat-plate of

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25

"Experimental investigation and CFD(vof model) validation of invert trap efficiency in open rectangular channel." Thesis, 2017. http://localhost:8080/iit/handle/2074/7389.

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26

Huang, Chun-Chieh, and 黃俊傑. "Investigation of Optical Coupling Efficiency in a Fiber-Optical Dual-Beam Trap for Potential Biomedical Applications." Thesis, 2006. http://ndltd.ncl.edu.tw/handle/18801880746130508077.

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碩士<br>國立陽明大學<br>生醫光電工程研究所<br>94<br>We proposed a new method to measure with high-precision and in real-time the deformation of a transparent (or semi-transparent) micro-particle trapped in a fiber optical dual-beam trap by measuring the optical coupling efficiency from one fiber to the other. In this approach, direct image analysis is required only in the calibration process. When a transparent micro-particle is trapped between the two fibers in a fiber optical dual-beam trap, it acts as a lens coupling light from one fiber to the other. Since the coupling efficiency is extremely sensitive to

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27

Price, Gabriel Noam. "Single-photon atomic cooling." 2009. http://hdl.handle.net/2152/10603.

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This dissertation details the development and experimental implementation of single-photon atomic cooling. In this scheme atoms are transferred from a large-volume magnetic trap into a small-volume optical trap via a single spontaneous Raman transition that is driven near each atom's classical turning point. This arrangement removes nearly all of an atomic ensemble's kinetic energy in one dimension. This method does not rely on a transfer of momentum from photon to atom to cool. Rather, single-photon atomic cooling achieves a reduction in temperature and an increase in the phase-space density

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28

Bi, Jing-Huei Fang, and 方畢經慧. "Barrier Coverage and d-Trap Coverage Mechanisms for Energy Efficient WSNs." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/wrk6zw.

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碩士<br>淡江大學<br>資訊工程學系碩士班<br>102<br>In wireless sensors, trap coverage has recently been proposed as a tradeoff between the availability of sensor nodes and sensing performance. A d-trap coverage is referred to the network where the diameter of each existing hole should be smaller than d. The d-trap offers an efficient framework to tackle the challenge of limited resources in large scale sensor networks. Currently, existing works only studied the network formation for the desired trap coverage. However, how to efficiently schedule sensor nodes between active and sleep modes to satisfy the constr

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29

Tran, DL. "Using Acacia as a nurse crop for re-establishing native-tree species plantation on degraded lands in Vietnam." Thesis, 2014. https://eprints.utas.edu.au/18680/2/Front-Tran-thesis.pdf.

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Acacia mangium, A. auriculiformis and their hybrid, the leguminous fast-growing tree species has been widely adopted as a nurse crop for re-establishing native-tree plantations on degraded lands in Vietnam, but with little success. This may be attributed to not fully understanding the site requirements of target native species and the potential for negative as well as positive between-species interactions. The most planted native species is Hopea odorata Roxb., a dipterocarp that is thought to be shade-tolerant. To resolve how best to apply and manage such a system of mixed-species silvicultur

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30

Walter, Matthias. "Efficiency and Competition in Public Transport." Doctoral thesis, 2009. https://tud.qucosa.de/id/qucosa%3A25232.

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Bus and other road-bound services like tram and light railway are the backbone of the German local public transport sector. Based on the characterization of high deficits and fragmentation, five main research questions and hypotheses are investigated in this dissertation. First, advanced Stochastic Frontier models which account for unobserved heterogeneity and heterogeneous output variables are used to study cost efficiency and its determinants such as the vehicle utilization rate. Second, economies of scale and scope are evaluated. Third, based on the finding of substantial economies of scale

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31

Chang, Trent Zarng, and 張淳讓. "Establishment of an Efficient Gene Trap System (PP-PT-Z-R) for Detecting Devlopmental Regulatory Genes in Zebrafish (Danio Rerio)." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/31962460946364571464.

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碩士<br>國立臺灣海洋大學<br>生物科技研究所<br>100<br>The Human Genome Project has been established in 90’s, but the causal relationships between genes and its functional effects remain a research goal in the realm of genomics, which initiated the “Post Genomic Era.” To come to grips with such a relationship, some techniques are commonly employed, such as knock down the function of genes, or positioning the gene expression in vivo via the use of fluorescent protein. This study proposes a novel gene trapper: “Ping-Pong Promoter Trap-Zeocine-Red(PP-PT-Z-R),” on zebrafish(Danio rerio) samples to construct the main

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32

Simões, Catarina Cerqueira da Silva. "Bipolar Membrane Based Energy Storage System: The Acid Base Flow Battery." Master's thesis, 2018. http://hdl.handle.net/10362/47947.

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33

Li, Chun Fung. "Mitigating the industrial energy efficiency problem in China: investigating the acceptance of energy services companies using the Theory of Reasoned Action." Thesis, 2012. http://hdl.handle.net/1959.13/936120.

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Professional Doctorate - Doctor of Business Administration (DBA)<br>The rapid growth of the Chinese heavy-industry sector has presented both opportunities and challenges to the country. While the heavy industrial sector contributes significantly to the growth of China’s GDP, the energy-intensive nature of this sector has led to unprecedented problems in resource sustainability, pollution, and climate change. Encouraging firms in the heavy industrial sector to use energy services companies (ESCOs) to improve energy efficiency has been a high-priority of the Chinese Government. According to the

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ČERNÁ, Lenka. "Srovnání výsledků užití vybraných metod odchytu při studiu taxocenu vodních ploštic (Heteroptera: Nepomorpha)." Master's thesis, 2009. http://www.nusl.cz/ntk/nusl-45570.

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Results of water bug sampling ascertained by selected sampling methods (net trapping and different water light traps) were compared in this thesis. Selected ecological characteristic of taxocen, based on data gained by these methods, are calculated and compared. The water light trap with heterochromatic LEDs (white LEDs respectively) was found the most forceable method for sampling of both water bug species and their specimens.

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