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NCSU 檢索結果共 5111 筆,本頁資料從第 121 筆到第 132 筆

Archaeal box C/D sRNAs guide the 2-O-methylation of target nucleotides in both ribosomal and tRNAs. These small non-coding RNAs are characterized by conserved terminal box C/D and internal C/D RNA motifs. Each RNA motif binds three core proteins to establish individual RNP complexes that catalyze the site-specific 2-O-methylation of target nucleotides. Specificity of nu....

By Cathryn Denise Appel-Biochemistry-NCSU-masters-2006-08-23
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This research study examines the behavior of prestressed concrete beams retrofitted with Fiber Reinforced Polymer (FRP) materials. Due to deficiencies in the built environment, engineers may be asked to retrofit or upgrade the capacity of an existing concrete structural member. This could be a result of new demands on the structure, or a repair of damage from an unfores....

By Owen Arthur Rosenboom-Civil Engineering-NCSU-doctoral-2006-08-23
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Abstract OCCHIPINTI, CHRISTOPHER OLOVSON. Nitrate Isotopic Composition in Rainfall and Fine Particulate Matter: Back Trajectory, Meteorology, and Source - Receptor Relationship Analysis (Under the direction of Viney P. Aneja.) The southeastern portion of North Carolina is a dense crop and animal (swine) agricultural region which previous research suggests emits a signif....

By Christopher Olovson Occhipinti-Marine, Earth and Atmospheric Sciences-NCSU-masters-2006-08-22
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A protocol-oriented approach of modeling and enacting business processes and workflows has been developed recently that offers advantages in terms of supporting the autonomy and heterogeneity of business partners and the reconfigurability of their process. Importantly, protocols are described using commitments, map to the individual computation of the participating role....

By Zhengang Cheng-Computer Science-NCSU-doctoral-2006-08-22
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The purpose of the research is to study the active timing based techniques used for attack attribution through stepping stone computers, where attackers sequentially connect through multiple intermediate hosts to hide their traces. The difficulties of tracing back such attacks come from not only the normal operations of networks and stepping stones, but also the intenti....

By Pai Peng-Computer Science-NCSU-doctoral-2006-08-22
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This dissertation consists of two parts, the modeling of piezoceramic (PZT) actuators and the finite element implementation of a shape memory alloy (SMA) model and the subsequent thermo-mechanically coupled multifield analysis of several devices, such as tensile wire and cantilever beam actuators. Both models are based on similar free energy expressions and allow for a....

By Qifu Li-Mechanical Engineering-NCSU-doctoral-2006-08-22
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ROBALINO, PABLO JOSE. Shear Performance of Reinforced Lightweight Concrete Square Columns in Seismic Regions. (Under the direction of Dr. Mervyn J. Kowalsky.) Considering the importance of shear capacity under seismic demands, clarifying existing differences between analytical models and existing experimental data, further experimental research on shear performance of r....

By Pablo Jose Robalino-Civil Engineering-NCSU-masters-2006-08-21
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Jain, Siddharth Ravendra, Development of Interfacial Adhesion during the Thermal Bonding of Nonwovens (under the guidance of Dr. S. Michielsen, Dr. B. Pourdeyhimi and Dr. R. Gorga). In this work we have tried to relate the thermal bond strengths with the concepts of chain dynamics via interfacial adhesion development at symmetric polymer interfaces. To relate structural....

By Siddharth R Jain-Textile Technology Management-NCSU-masters-2006-08-21
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SOHAIL, SAQIB MIAN. Analysis of Productivity Measures and The Factors Affecting Accurate Measurement of Productivity. (Under the direction of Dr. Helumt Hergeth) The purpose of the research has been to analyze the factors involved in the measurement of productivity at the plant level. The study was undertaken to determine the methods of measurement being used at the pla....

By Saqib Mian Sohail-Textile and Apparel, Technology and Management-NCSU-masters-2006-08-21
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KAKARLA, SUDHA. Recombinant Lactobacillus as a Vaccine Vector for HIV. (Under the direction of Gregg A Dean.) The objective of the research was to evaluate the efficacy of Lactobacillus as a vaccine vector against human immunodeficiency virus (HIV) infection. Lactobacillus gasseri, a well characterized commensal of the human intestinal tract, was engineered to express H....

By Sudha Kakarla-Immunology-NCSU-masters-2006-08-21
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The Emitter Turn Off Thyristor (ETO) is an emerging high power device that can be considered as a Mosfet-GTO hybrid. It is very suitable for high power applications due to many of its significant advantages in terms of usability and performance benefits. It combines the advantages of simplified control and improved switching performance. This thesis is focused on firstl....

By Karan Tewari-Electrical Engineering-NCSU-masters-2006-08-21
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The increasing investigation of smart material structures requires a more thorough understanding and characterization of the underlying physics in both the constituent materials and the adaptive structures as a whole. To this end, we focus our efforts on understanding the effects of stress on ferroelectric materials and the transducers which utilize them.

This disse....


By Brian L Ball-Applied Mathematics-NCSU-doctoral-2006-08-21
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