Browsing NDSU Theses & Dissertations by Title
Now showing items 3081-3100 of 4645
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A Novel Macroscopic Technique to Measure the Nanomechanics of Durable Multifunctional Nanosheets
(North Dakota State University, 2017)In the recent advancement of nanotechnology, carbon nanotubes (CNTs) have shown promise and potential for a wide variety of applications due to their excellent mechanical, electrical, and optical properties. A network of ... -
Novel Synthetic Routes to Complex Amines: the Catalytic Hydroamination of Alkynes and Hydroimination of Allenes
(North Dakota State University, 2016)Amines are valuable targets for synthesis in contexts of both research and industrial applications. This work proposes two atom-economical methods—hydroamination (HAM) and hydroimination (HIM)—as C-N bond formation strategies. ... -
Novel Techniques Using Graph Neural Networks (GNNS) for Anomaly Detection
(North Dakota State University, 2023)This paper explores 2 new mechanisms that leverage graphs for anomaly detection. The novelty in approach one is to leverage the global attention capability of transformer architecture using a Graph Attention Network (GAT) ... -
Nuanced didacticism
(North Dakota State University, 2015)The United States is currently at a crossroads with providing equal rights to its lesbian, gay, bisexual and transgender citizens. Despite the growing acceptance for these estimated 9 million people, many continue to face ... -
Nuclear-Cytoplasmic Interaction Analysis: A Critical Step for Wheat Germplasm Enhancement
(North Dakota State University, 2014)Wheat (Triticum aestivum) possesses the largest set of available alloplasmic lines in either the plant or animal kingdom. These alloplasmic lines consist of novel combinations of wheat cultivar nuclei and cytoplasm, derived ... -
Numerical Analysis of a PV/Microchannel Integrated CO2 Direct-Expansion Heat Pump Water Heater
(North Dakota State University, 2019)A steady-state numerical model of a PV/microchannel integrated direct-expansion CO2 heat pump (PV-DXHP) water heater is developed, validated, and analyzed in the present study. To accomplish the objectives, a numerical ... -
A Numerical and Analytical Analysis of the Physics of Phase-Separation Fronts
(North Dakota State University, 2012)My dissertation is an investigation into the basic Physics of phase separation fronts. Such phase-separation fronts occur in many practical applications, like the formation of immersion precipitation membranes, Temperature ... -
Numerical Investigation of Vibration in a Steam Turbine Control Valve
(North Dakota State University, 2017)A numerical analysis is performed at North Dakota State University to investigate and resolve steam inlet control valve vibration in a Minnkota Power Cooperative turbine. Pressure fluctuations resulting from an unstable ... -
Numerical Methods for Fractional Optimal Control and Parametric Problems
(North Dakota State University, 2011)Fractional derivatives (FDs) or derivatives of arbitrary order have attracted considerable interest in the past few decades, and almost every field of science and engineering has applications of fractional derivatives. ... -
Numerical Simulation and Structural Optimization of Composite Rigid Frame Bridge
(North Dakota State University, 2017)A composite rigid frame bridge replaces a certain portion of the concrete middle span of a bridge with a section of the steel girder. While the steel span improves the bending moment distribution of the rigid frame structure, ... -
Numerical Simulation of a Direct Expansion Geothermal Heat Pump Using Carbon Dioxide in a Transcritical Cycle
(North Dakota State University, 2011)Many of the synthetic refrigerants used in heat pump and air conditioning systems are potent greenhouse gases. In light of the increasing concern regarding climate change, there has been an increased interest in natural ... -
Numerical Simulation of Direct Expansion Solar-Assisted Heat Pump Water Heater Using Carbon Dioxide as Refrigerant
(North Dakota State University, 2013)Compared to the conventional solar-assisted heat pump (SAHP) water heating system, a relatively more compact direct-expansion solar assisted heat pump (DX-SAHP) has been introduced, in which the solar collector acts as an ... -
Numerical Simulations of Electrohydrodynamic Evolution of Thin Polymer Films
(North Dakota State University, 2015)Recently developed needleless electrospinning and electrolithography are two successful techniques that have been utilized extensively for low-cost, scalable, and continuous nano-fabrication. Rational understanding of the ... -
Numerical Simulations of Incompressible and Compressible Transitional Turbine Flows
(North Dakota State University, 2014)Accurate and reliable turbulence and transition models are needed for prediction heating loads in the hot section of the turbine, and predicting aerodynamic losses when designing new blade profiles. Two dimensional ... -
Numerical Studies of Droplet Behavior in a Steady Non-Uniform Electric Field
(North Dakota State University, 2013)An initially uncharged droplet suspended in another immiscible fluid under the influence of a steady non-uniform electric field may experience deformation, migration and bursting. This work numerically investigated the ... -
A Numerical Study and Optimization of a Morphing and Pitching Boeing Vertol VR-12 Rotorcraft Airfoil
(North Dakota State University, 2022)The helicopter blade has not undergone any major change in design in recent history, only minor adjustments like swept blade tips, variable twist blade, and application of small gurney flap style trailing edge devices. ... -
Nurses’ Knowledge, Attitudes and Practice of Sudden Unexpected Infant Death Recommendations and Safe Sleep Education: A Systematic Review
(North Dakota State University, 2016)This paper conducts a systematic literature review on nurses’ knowledge, attitudes and practice regarding safe infant sleep practices. The Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) framework ... -
Nursing Student Stress
(North Dakota State University, 2015)Nursing students experience multiple stressors as they are expected to apply theoretical learning and develop critical thinking skills while in the professional environment. Perceived overwhelming negative stressors can ... -
[NURTURE]well-being
(North Dakota State University, 2012)The project typology is a community center within an urban city master plan. The project is located in Aurora, Colorado and investigates the problem of disconnected neighborhoods. The theoretical premise claims the ... -
Nurturing Parenting Program: A Study of Engagement and Activities During the Parent and Child Activity Time
(North Dakota State University, 2015)The Nurturing Parent Program (NPP) aims to build protective factors in families such as: nurturing, attachment, social connections, parental resilience and knowledge of child development. This qualitative study looked ...