Digital Commons Network^™

Simulated Performance Of 3-Dti Gamma-Ray Telescope Concepts, Peter F. Bloser, Mark L. Mcconnell, James M. Ryan, Louis M. Barbier, Alan Centa, Stanley D. Hunter, John F. Krizmanic, Jason T. Link, Geoergia A. De Nolfo, Seunghee Son

Space Science Center

We present Monte Carlo simulations of two astronomical gamma-ray telescope concepts based on the ThreeDimensional Track Imager (3- DTI) detector. The 3-DTI consists of a time projection chamber with two-dimensional, crossedstrip micro-well detector readout. The full three- dimensional reconstruction of charged-particle tracks in the gas volume is obtained from transient digitizers, which record the time signature of the charge collected in the wells of each strip. Such detectors hold great promise for advanced Compton telescope (ACT) and advanced pair telescope (APT) concepts due to the very precise measurement of charged particle momenta that is possible (Compton recoil electrons and electron-positron …

Balancing Leisure And Work: Evidence From The Seasonal Home, Susan I. Stewart, Kenneth M. Johnson

Sociology

Seasonal homes are used during leisure time for many recreational activities, yet recent technological innovations have diminished the separation between the work place and the seasonal home. In a survey of Walworth County seasonal home owners, most who work full time report they seldom work during vacations and weekends from their seasonal home. Yet there is a distinct subgroup who do mix work into weekends and vacations for a variety of reasons. The most frequent reasons given by these people for working from the seasonal home were related to the expectations of coworkers and clients. Understanding more about the habits …

Degrees Offered - Unh - Durham Headcount Of Majors By College And Gender Fall Ay05-06, University Of New Hampshire. Institutional Research And Assessment

UNH Factbooks

University of New Hampshire factbook data from the 2005-2006 academic year

University Of New Hampshire Undergraduate Catalog, 2006-2007 Bulletin, University Of New Hampshire

Undergraduate Catalog

No abstract provided.

Faculty Excellence, University Of New Hampshire

Faculty Excellence Awards

Each year, the University of New Hampshire selects a small number of its outstanding faculty for special recognition of their achievements in teaching, scholarship and service. Awards for Excellence in Teaching are given in each college and school, and university-wide awards recognize public service, research, teaching and engagement. This booklet details the year's award winners' accomplishments in short profiles with photographs and text.

Investigation Of Copper(Ii) Complexes: I Copper(Ii) Complexes Of Tryptophan And Its Analogues As Postcolumn Interaction Components For Indirect Fluorescence Detection Of Amino-Containing Analytes Ii High-Performance Liquid Chromatographic Separation Of Copper(Ii) Azamacrocyclic Complexes, Xiaoxuan Shen

Doctoral Dissertations

The initial phase of this project investigates the use of copper(II) complexes of tryptophan and its analogues for indirect fluorescence detection in high-performance liquid chromatography. First, indirect photometric and fluorometric detection in high performance liquid chromatography (HPLC) is reviewed, giving the functional definition of indirect detection employed for this project, distinguishing different approaches to indirect photometric and fluorometric detection in HPLC, and explaining the basis of indirect fluorescence detection using copper(II) complexes of tryptophan and its analogues as postcolumn interaction components. Subsequent studies were conducted to develop and apply indirect HPLC detection for detecting specific mono-amino sugars, glucosamine, galactosamine, and …

Structural Analysis Of Cytokine Signaling Modulators, Cristina Ileana Silvescu

Doctoral Dissertations

The N-linked glycans attached to cytokine receptors modulate signal transduction by interacting with galectin-3 and generating a cell surface lattice. This opposes constitutive endocytosis and reduces the thresholds for cytokine signaling. The preferred ligands for galectin-3 are the poly-N-acetyl lactosaminylated tetra-antennary glycans which are synthesized by Mgat 5 and are present at high levels in tumor cells. A null mutation in Mgat 5 inhibits lattice formation and cancer progression in cells with an oncogenic background. GlcNAc feeding reestablishes lattice formation, cytokine signaling and tumorigenesis.

A MALDI-TOF analysis was employed to identify the N-glycans involved in modulating signal transduction in wild …

Improving Estimation Of Gross Primary Productivity Of Terrestrial Ecosystems, Qingyuan Zhang

Doctoral Dissertations

The MOderate Resolution Imaging Spectroradiometer (MODIS) provides an unprecedented opportunity to monitor and quantify seasonal changes of vegetation and phenology. MODIS has the potential to improve the estimation, which is based on the algorithms for the NOAA Advanced Very High Resolution Radiometer (AVHRR), of biophysical/biochemical variables of vegetation. My doctoral study improves estimation of gross primary productivity (GPP) through two aspects: first, my study improved the detection of vegetation phenology by distinguishing MODIS contaminated observations and contamination-free observations, and secondly, I inverted the fraction of absorbed photosynthetically active radiation (PAR) by chlorophyll using radiative transfer models and daily MODIS data. …

Soil Moisture Dynamics From Satellite Observations, Land Surface Modeling, And Field Data, Minha Choi

Doctoral Dissertations

Knowledge of soil moisture variability is essential to understand hydrologic processes at a range of scales. In this study, spatio-temporal variability of soil moisture and inter-comparison among different soil moisture products were analyzed. The variability patterns were well characterized by negative exponential fitting as function of observed sampling extent scale. The simple physical soil moisture dynamics model was identified as an alternative approach to characterize statistical soil moisture variability. The soil moisture variability was strongly related to physical properties including rainfall and topography.

Normal and log-normal distributions were recognized as the most efficient probability density functions to capture soil moisture …

Modeling Of Diffusional Creep And Stress Relaxation In Copper Grains During Manufacturing Of Microelectronic Integrated Circuits, Vasyl M. Grychanyuk

Doctoral Dissertations

The finite element technique was developed to study diffusional creep and stress relaxation in Cu grains with several atomic monolayers thick grain boundary region of enhanced diffusivity. The model was motivated by the need to study nanoscale back-end interconnect structures of microelectronic circuits. These structures have the length scale that does not conform to the assumptions of classical dimensional theories of diffusional creep.

Both diffusion and elasticity governing equations are considered in the coupled formulation of mass flow and stress analysis. Vacancy concentration field in the grains subjected to external load is coupled to stress field through diffusional creep strains. …

An Investigation Of Pre-Service Teachers' And Professional Mathematicians' Perceptions Of Mathematical Proof At The Secondary School Level, David M. Gray

Doctoral Dissertations

The National Council of Teachers of Mathematics [NCTM] states that by the time students graduate high school, they should learn to present "arguments consisting of logically rigorous deductions of conclusions from hypotheses" (NCTM, 2000, p. 56) in "written forms that would be acceptable to professional mathematicians" (NCTM, 2000, p. 58). Research studies indicate, however, that students and teachers have difficulty with many aspects of mathematical proof, including its nature and meaning. In addition, there appears to be a disconnect between school teachers' and university mathematicians' expectations for their respective students regarding mathematical proof. This study examined the perceptions of thirteen …

Characterization Of The Spatial And Temporal Variability In Pan-Arctic, Terrestrial Hydrology, Michael A. Rawlins

Doctoral Dissertations

Arctic hydrology represents an important component of the larger global climate system, and there are signs that significant water-cycle changes, involving complex feedbacks, have occurred. This dissertation explores the methods to estimate components of the arctic hydrological cycle, the numerous biases and uncertainties associated with the techniques, and suggestions for future research needs. The studies described here focus on quantitative models and methods for predicting the spatial and temporal variability in pan-Arctic hydrology.

This dissertation discusses pan-Arctic water budgets drawn from a hydrological model which is appropriate for applications across the terrestrial Arctic. Including effects from soil-water phase changes results …

Planar Algebras: A Category Theoretic Point Of View, Shamindra Kumar Ghosh

Doctoral Dissertations

We define Jones's planar algebra as a map of multicategories and construct a planar algebra starting from a 1-cell in a pivotal strict 2-category. We introduce the concept of affine representations of a planar algebra and prove some finiteness results for the affine representations of finite depth planar algebras. We also show that the radius of convergence of the dimension of an affine representation of the planar algebra associated to a finite depth subfactor is at least as big as the inverse-square of the modulus.

Exploring Lesson Study As A Form Of Professional Development For Enriching Teacher Knowledge And Classroom Practices, Melissa K. Mitcheltree

Doctoral Dissertations

This study tracked the development of teacher knowledge through a professional development experience called lesson study. Lesson study is a Japanese professional development process in which a group of teachers develop a series of lessons using the following stages: planning lessons, teaching/observing the lessons, reflecting on lessons taught as well as sharing and discussing the lessons with their colleagues (Lewis, 2002). The aim of this study was to explore how the lesson study process influenced teacher knowledge of mathematics content and pedagogical content.

Study participants were four secondary mathematics teachers from a rural high school in the Northeast. All participants …

Teacher Concerns About Service-Learning, Michael Kern

Master's Theses and Capstones

Service-learning is a rapidly growing teaching innovation. Despite the proliferation of service-learning research, little has focused on the teacher, particularly the personal dimension involved in implementing such an innovation. The purpose of this study was to explore teachers' concerns regarding service-learning using the seven developmental Stages of Concern proposed by Hall, George, and Rutherford (1977) as a framework. Eleven teachers who were engaged in service-learning were interviewed and completed the Stages of Concern Questionnaire (SoCQ). Together, the profiles generated by the SoCQ and the interview analyses, provide a rich description of teachers' concerns. Since at the outset of this study, …

2006-07 Granite State College - Undergraduate Catalog, Granite State College

Granite State College Catalogs

No abstract provided.

Town Of Milton, New Hampshire 2005 Annual Report., Milton Town Representatives

Milton, NH Annual Reports

This is an annual report containing vital statistics for a town/city in the state of New Hampshire.

Optimal Image Blending For Underwater Mosaics, Fan Gu, Yuri Rzhanov

Center for Coastal and Ocean Mapping

No abstract provided.

Multi-Axial Anisotropic Material Behavior Using A Collection Of Yield Surfaces To Model The Stress-Space Coupling Phenomena, Mirjana Marusic

Master's Theses and Capstones

In the 1989 Loma Prieta earthquake in the San Francisco-Bay area and also the 1994 Northridge earthquake in Southern California, several buildings experienced significant damage because of inadequate member design. The existing codes of practice used for the structural design approximate the effects of nonlinear material behavior. This work formulates a nonlinear anisotropic material model for systems subjected to biaxial loading conditions such that the true nature of material degradation can be identified. This would aide structural designers in being able to predict accurate cyclic deformations under large earthquake events. The proposed model investigates anisotropic material behavior under bi-axial loading …

Development And Characterization Of A Side Scan Sonar Towfish Stabilization Device, Rebecca Ann Conrad

Master's Theses and Capstones

The attitude of a side scan sonar towfish may introduce artifacts into the imagery when the towfish attitude exhibits a significant mean offset from horizontal and/or exhibits significant variations over time. The Smart Tail was designed by Boeing Australia for stabilizing the attitude of a Klein System 5000 towfish. This report describes the development and testing of a closed-loop controller for towfish attitude based on the Smart Tail's movable elevators. Transient and steady state response of the towfish pitch and roll motion were evaluated in a tow tank at speeds up to 6 knots. Mathematical modeling and simulation were used …

Linking Multivariate Observations Of The Land Surface To Vegetation Properties And Ecosystem Processes, Stephen C. Hagen

Doctoral Dissertations

Remotely sensed images from satellites and aircrafts, as well as regional networks and monitoring stations such as eddy flux towers, are collecting large volumes of multivariate data that contain information about the land surface and ecosystem processes. To derive from these systems information and knowledge relevant to how the Earth system functions and how it is changing, we need tools that to filter and mine the large data streams currently being acquired at different spatial and temporal scales. A challenge for Earth System Science lies in accurately identifying and portraying the relationships between the measurements at the sensor and quantity …

An Evaluation Of The Effect Of Terrain Normalization On Classification Accuracy Of Landsat Etm+ Imagery, Jesse B. Bishop

Master's Theses and Capstones

More than 60% of land in New Zealand has been converted from native forests to residential areas, agriculture, or forest plantations. Settlers brought many species of plants and animals to New Zealand. Many native species were unable to protect themselves from these new predators, causing numerous extinctions. In light of this rapid decline in biodiversity, the New Zealand government has attempted to mitigate the destruction of endemic flora and fauna through both new environmental policies and intensive land management. Land management techniques include the restoration of developed land and the protection of remaining areas of native forest. Monitoring of restoration …

Prototype Remote Vehicle Diagnostics For Police Cruisers, Sung Yun Kim

Master's Theses and Capstones

The goal of this thesis was to suggest ways of evaluating the health of police cruisers without bringing these cruisers into a repair facility. The prototype in-car application was developed. The hardware connection was made between the in-car network and the Project54 network. The software was built to collect, process, and send the vehicle information to the server via a telecommunication tool. The prototype in-car application was tested in simulation and on the road. After the development of the prototype in-car application, the radio traffic research gives a few recommended methods for sending the car health information in the New …

Use Of Epa's Industrial Waste Management Evaluation Model (Iwem) To Support Beneficial Use Determinations, Jason D. Fopiano

Master's Theses and Capstones

As of now, the beneficial-use (recycling) of secondary materials (e.g. coal-fly ash) in highway construction is limited. In 1998 and 1999, the Association of State and Territorial Solid Waste Management Officials (ASTSWMO) conducted a Beneficial-Use Survey to determine the issues that states face when evaluating potential beneficial-use applications for recycled/secondary materials. The report identified the largest obstacle as the lack of good information for use in evaluating potential risks to human health and the environment (i.e. soil and groundwater contamination) from beneficial-use applications. The absence of such data has resulted in reluctance in the beneficial-use of such materials causing them …

Cupolets: Chaotic Unstable Periodic Orbits Theory And Applications, Kourosh Zarringhalam

Doctoral Dissertations

Recent theoretical work suggests that periodic orbits of chaotic systems are a rich source of qualitative information about the dynamical system. The presence of unstable periodic orbits located densely on the attractor is a typical characteristic of chaotic systems. This abundance of unstable periodic orbits can be utilized in a wide variety of theoretical and practical applications [19]. In particular, chaotic communication techniques and methods of controlling chaos depend on this property of chaotic attractors [12, 13].

In the first part of this thesis, a control scheme for stabilizing the unstable periodic orbits of chaotic systems is presented and the …

Strafford County 2005 Annual Report Of The Commissioners, Treasurer, Other County Officers And The Strafford County Delegation Strafford County, New Hampshire For The Year Ending December 31, 2005., Stafford County Representatives

Strafford County, NH Annual Reports

This is an annual report containing vital statistics for a county in the state of New Hampshire.

A User-Friendly System To Measure Electromyographic Activity Of Dancers, Jianhua Zhou

Master's Theses and Capstones

A data acquisition system aided by virtual instrumentation was developed to measure electromyographic activity of the dancers. The system is composed of three main components: (1) Analog front-end with signal conditioning, (2) USB serial interface based A/D conversion, and (3) virtual instrumentation designed in LabView tools. The proposed system is able to accurately collect the magnitude of jump force and displayed the data using virtual instruments with alarm functions. The signal path is well-conditioned and processed, which makes the device suitable for feasibility studies for future research.

The Effect Of Air Pollution And Time Spent Outdoors On Pulmonary Function In A Diverse New England Population, Thomas Daniel Lambert

Master's Theses and Capstones

Outdoor air pollution has been associated with declines in pulmonary function. We collected daily pulmonary function measures from 165 participants in New England during July and August, 2004 and compared these measures to outdoor air pollution using single and multiple pollutant models. Increases of 10mug/m3 PM2.5, 10 ppb O3, and 1 ppb NO2 were associated with -1.29%, -0.54%, and -0.151 % changes in FEV1 of asthmatic participants spending more than 5 hours outdoors, respectively. Effects for non-asthmatic and all participants spending less than 5 hours outdoors were near zero and not significant. There was also evidence indicating that the largest …

Analyte Rebinding Of Optimized Molecularly Imprinted Polymers In Water, Sayantan Roy

Master's Theses and Capstones

A series of non-covalent Molecularly Imprinted Polymers (MIPs) were prepared using caffeine and guanosine separately as template molecules. A wide variety of MIPs were prepared by varying a number of formulation parameters, including the template, recognition monomer, crosslinking agent and porogen types and concentrations. The specificity and selectivity of the MIPs were determined by rebinding studies in an aqueous medium using HPLC detection and the results were supported by gas adsorption experiments. Rebinding conditions, such as the pH and MIP concentration were also varied to determine the best conditions for analyte recognition. By using variety of polymerization conditions the particle …

The Granite, 2006, University Of New Hampshire

The Granite – Yearbook

The yearbook of the New Hampshire College of Agriculture and the Mechanic Arts, 1909-1922, the University of New Hampshire, 1923-