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Now showing items 25781-25790 of 25845
Amarranos Las Tripas: Food Insecurity Among Older Mexican Origin Adults Living in the Colonias of South Texas
(2022-04-27)
The voices and experiences of older Mexican-origin adults living in the burgeoning colonias along the Texas-Mexico border are missing from the literature. The objective of this qualitative study is to illuminate how older ...
Novel Approaches in Non-Destructive UWB RF/ Microwave CMOS Integrated Time Domain Spectroscopy Systems and Circuits
(2022-04-29)
The ultra wide-band (UWB) systems are demanding for communication systems, radars, or spectroscopy stems. Recently, researchers have focused on expanding the use of RF/Microwave circuits and systems for multi-disciplinary ...
Novel Method to Simultaneously Separate Capsaicinoids and Capsinoids and Profiling of Phytonutrients in Different Types of Pepper Hybrids
(2022-04-15)
Fruits and vegetables represent an essential source of phytonutrients, including antioxidants and other health-promoting compounds. Peppers (Capsicum spp.) are rich sources of many phytonutrients and accurate, rapid ...
Plant Uptake and Impact of Engineered Metallic Nanoparticles in Soil Plant Systems
(2022-02-10)
Expanding applications of metallic nano-agrichemicals have resulted in their increasing accumulation in agricultural soils. In addition to their potential uptake by agricultural crops, the effects of engineered nanoparticles ...
College Students' Leisure Activities During the Covid-19 Pandemic: An Examination of Pandemic-Related Constraints to Participation
(2022-04-14)
Leisure is an important aspect of life because many people find meaning and purpose through leisure. College students, who are experiencing dramatic changes across the transition from late adolescence and into young ...
Essays on the Effectiveness of Conditional Free Shipping Policies on Customers’ Purchase Behaviors and Retailers’ Profitability
(2022-04-06)
With the proliferation of e-commerce, designing a free shipping policy that can balance the need to recover shipping costs and retain customers is a big quandary for retailers. This dissertation investigates the effectiveness ...
Pipeline Collision Avoidance for Excavation Work Using Magnetic Anomaly Detection (MAD)
(2022-04-11)
Uncertainty of the precise location of underground pipelines poses a safety risk to excavator operators and nearby construction workers. Excavator collisions with pipeline carrying hazardous material can result in significant ...
Closed-Loop Non-Invasive Brain Stimulation as a Fatigue Countermeasure
(2022-03-24)
Cognitive fatigue is a pressing issue across multiple job domains, especially within safety critical systems, where fatigue-driven lapses in operator performance and behavior have resulted in costly errors. While the ...
Essays on the Determinants of Health and Labor Market Outcomes
(2022-04-20)
There is increasing evidence that an individual’s experiences, setting, and resource access during early childhood and education years have a profound impact on productivity, income, and health in adulthood. Understanding ...
An Efficient Control Framework for Robot Manipulators Performing Tasks Requiring Simultaneous Control of Tool Path and Orientation
(2022-04-18)
In this dissertation, we develop a novel planning and pose control framework for articulated
robots for motion along a spatial curve with constant speed. First, given a list of waypoints, we
develop the spatial curve along ...