University Library, University of Illinois at Urbana-Champaign

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Showing 81–120 of 2,281,243 items
  • Response of chromium and chromium-aluminum coatings on zircaloy-2 to high temperature steam
    Scholarship
    Creator
    Zhong, Weicheng
    Description
    High temperature steam exposure leads to rapid oxidation of Zr based cladding, which will potentially lead to cladding failure. Our approach is to apply CrAl or Cr coatings on Zircaloy by magnetron sputtering to improve the oxidation resistance of cladding materials. The goal of this research is to characterize the oxidation kinetics and microstructure of CrAl and Cr coatings on Zircaloy-2 in high temperature steam (HTS) environment, and to provide information regarding its functionality during off-normal transient in light water reactors. Pure Cr coating and CrAl coatings with various compositions were exposed to 700C steam environment for up to 20 hours. Weight gain of coated Zircaloy was significantly reduced by two to three orders of magnitude by the CrAl and Cr coatings. Oxidation of Zircaloy substrate was inhibited by the 1um coatings for over 20 hour. Composition of coatings has a significant effect on the oxide formation. CrAl coatings with over 43 at % Al concentration developed a continuous layer of γ-Al2O3, and demonstrated lower weight gain. CrAl coatings with below 33 at % Al concentration formed a outer Cr2O3 scale with inner Al2O3 morphology. Pure Cr coating developed a layer of Cr2O3, and had a higher weight gain than CrAl coatings. Oxidation kinetics was quantified on two of the coatings, 42/58 CrAl and 81/19 CrAl, which represented different oxide structure. The Al2O3 growth on 57/43 CrAl was fitted to two different oxidation kinetics with similar confidence. The Al2O3 growth kinetics up to 20 hours can be described by either power-law oxidation kinetics thickness = 25 x time0.27 or direct logarithmic kinetics thickness = 26 x log(time) + 21.4 with the thickness in the unit of nanometer and time in the unit of hour. The Cr2O3 growth on 81/19 CrAl was quantified by the parabolic kinetics as thickness = 77.6 x time0.49. Coating constituent elements diffused to the substrate and formed intermetallic phases with the Zircaloy substrate. The amount of coating constituents for the diffusion to Zircaloy substrate was compared to that for the oxide formation. For Al rich coatings (42/58 CrAl and 57/43 CrAl coatings), greater amount of Al diffused to Zircaloy substrate than to the oxide formation. However, for Cr rich coatings (67/33 CrAl, 81/19 CrAl and Cr coatings), greater amount of Cr diffused to oxide formation than to Zircaloy substrate. The diffusion of coating constituents to Zircaloy substrate formed intermetallic phases, and the composition and the thickness of the intermetallic phase layers depended on the coating composition. Thicker layers of intermetallic phases developed on the coatings with higher Al composition. The intermetallic phases included Fe and Ni, indicating the dissolution of second phase particles (SPPs) during HTS exposure. The stability of intermetallic SPPs in coated Zircaloy-2 was studied in 700C steam environment. Hydrogen generated from the steam oxidation of uncoated Zr were absorbed and formed δ-hydrides in Zircaloy matrix. Synchrotron XRD demonstrated that longer exposure times increased hydride peak intensity and decreased intermetallic SPPs peak intensity. A concentration of 1000 wppm hydrogen in Zircaloy was estimated using synchrotron XRD after 20 hours exposure in 700C steam environment. Cross-section SEM analysis verified the intermetallic SPPs volume fraction reduction. The volume fraction of intermetallic SPPs was 1.7% in as-received Zircaloy, and it dropped to 1.4% after 5 hours exposure, and to 0.4% after 20 hours exposure. The size distribution of intermetallic SPPs was characterized and larger particles appeared to dissolve at longer exposure. A correlation between the hydrogen concentration and the volume fraction of intermetallic SPPs at 700C steam environment was found, with the volume fraction of SPPs decreasing as hydrogen concentration increases, which could be attributed to the strain from the hydrogen uptake into Zircaloy. Oxidation behavior of CrAl or Cr coated Zircaloy was also examined after 1100C steam exposure for two hours. Coatings with higher Cr composition lead to lower weight gain of Zircaloy. We believed that the inward diffusion of Al perturbed the ZrO2 formation, and exacerbate the oxidation behavior. This lead to thicker ZrO2 formation.
  • Analysis of sediment dynamics in intensively managed landscapes
    Scholarship
    Creator
    Yu, Mingjing
    Description
    The flux of fine sediment within agricultural watersheds is an important factor determining the environmental quality of streams and rivers. Human activity has significantly altered the hydrological and biogeochemical cycles within terrestrial and aquatic environments through agricultural intensification, tile drainage installation, and urban development. The study of watershed-scale sediment dynamics is of great value for understanding and predicting the response of sediment dynamics to intensive human impact and is crucial to developing management strategies for reducing the vulnerability of the ecosystem to future changes. The primary objective of this dissertation is to investigate sediment sources, sediment transport, and sediment yield in an intensively managed agricultural landscape. This objective was accomplished by combining of field sampling and measurements, laboratory analysis, sediment fingerprinting study, statistical analysis and modeling exploration in the Upper Sangamon River Basin, Illinois. The relative contributions from cropland, grassland, forested floodplain, upper grazed floodplain, and lower grazed floodplain to the suspended sediment in the stream are evaluated by sediment fingerprinting techniques. The grazed areas of the floodplain are identified as the primary source of fine suspended sediment within the headwaters of the Sangamon River. Erosion of the floodplain both by surface runoff and by streambank erosion contribute to the production of almost all fine sediment sampled within the stream system. The results are consistent both for event and aggregated samples and for large and small events. The fingerprinting results are also consistent with visible and historical evidence of active erosion of grazed areas of floodplain upstream from the in-stream sampling location. Evidence from field reconnaissance and inspection of aerial photography supports the conclusion that cattle grazing plays an important role in accelerating floodplain and streambank erosion. The relationships between rainfall, discharge, and suspended sediment concentration are examined by sediment rating curve approach and hysteresis analysis. Sediment rating curves developed for three sites along the Sangamon River all have a peaked pattern with a transition point at geometric mean of discharge, indicating suspended sediment load in the stream is far below the stream transport capacity during high flows. Spatially, suspended sediment concentrations tend to become more coincident with the seasonality of rainfall and discharge with increasing watershed size and the mean suspended sediment concentration decreases as drainage area increases. Temporally, the SRCs developed for the rising and falling limbs of hydrographs and the four sampling seasons also exhibit the same trends, suggesting that these trends are not scale-dependent. The peaked pattern of sediment rating curve is most apparent in sediment rating curve developed on discharge and sediment data collected in summer, which means the limitation of sediment supply is most significant in summer. Sediment fluxes in modern times and before European settlement is investigated by using a semi-distributed, coupled hydrologic and sediment model. Intensive agricultural activities since European settlement have increased sediment supply and enhanced suspended sediment load in stream, and also influence re-distribution of detached sediment within the system. The percent of sediment supply from each source to the total amount of mobilized sediment significantly changed from 1840s to 2000s, and the agricultural uplands have become the major source of suspended sediment in the stream. The model estimates that sediment supply from uplands increased 11-fold from the 1840s to 2000s, and sediment yield in 2000s is 9 times of that in 1840s. A higher percent of sediment is transported out of the system and deposited in the channel in 2000s than in 1840s. Suspended sediment load has increased more rapidly than floodplain sedimentation. The re-distribution of detached sediment is also influenced by the presence of built levees and extended channel network. With the increased sediment supply and decreased percent of floodplain sedimentation, sediment delivery ratio for the entire watershed only increased 4%. In conclusion, the integrated results from field, statistical and modeling studies advance the knowledge and understanding of sediment supply, delivery, and export in intensively managed landscapes. The findings also inform management strategies aimed at reducing the vulnerability of this landscape to ongoing human impact.
  • Utilization of fine recycled concrete aggregate and alternative testing for controlled low-strength materials
    Scholarship
    Creator
    Henschen, Jacob Daniel
    Description
    With ever-increasing emphasis on sustainability, recycling concrete as aggregate has continued to be an important topic. While the use of the coarse fraction of recycled concrete has become commonplace, the fine fraction is largely regarded as a waste material with few outlets for its use. In this thesis, the use of recycled fine concrete aggregate is investigated for use as a source of internal curing in new concrete and as the aggregate in controlled low-strength materials. Characterization of the recycled fine concrete aggregate did not indicate the presence of appreciable quantities of reactive materials, but the recycled aggregates do possess high absorption capacities, which indicates a potential for internal curing. The ability to provide internal curing is tested using autogenous shrinkage measurements. The mixture design method previously develop for controlled low-strength materials is further validated using alternative material combinations. In addition, dynamic cone penetrometer testing and accelerated curing methods are applied to the controlled low-strength material in order to better characterize the strength of the material. The internal curing tests indicated a potential for recycled aggregates to be used for internal curing. The results from the mixture design validation support the previous conclusions that slump flow is highly reliant on the paste volume. The subsidence and strength are both tied to the cement content and the water to cementitious ratio. The findings of the dynamic cone penetrometer tests suggest that it is a viable in situ test for controlled low-strength material. The in situ testing are then correlated with the unconfined compressive strength. Using elevated temperatures to cure controlled low-strength materials did result in significant strength increases over room temperature curing. The higher early strengths from the accelerated curing provides valuable information on the maximum strength that can be achieved from a mixture. The strength gain as a function of time and temperature is modeled for controlled low-strength materials using virgin fine aggregates.
  • Observed microphysical characteristics and inferred thermodynamic processes contributing to the structure, evolution,...
    Scholarship
    Creator
    Stechman, Daniel M.
    Description
    During the 2015 Plains Elevated Convection at Night (PECAN) project, airborne radar and optical array probe data were collected within 42 spiral ascents/descents of the NOAA P-3 aircraft across various regions of six mesoscale convective systems (MCSs) at multiple stages of system development. These spirals sampled MCSs corresponding to various archetypes, including several conforming to the classic leading-line/trailing-stratiform mode, and others conforming to the parallel stratiform, leading stratiform, and nonlinear system modes. In one case observations were made in the stratiform region trailing a frontal squall line. Multiple-Doppler syntheses of the wind and reflectivity fields within the 20 June 2015 MCS were used to understand the microphysical and thermodynamic characteristics observed in the spirals in the context of the MCS reflectivity and kinematic structure. A second component of this study was a statistical analysis of the microphysical and thermodynamic structures observed in 37 PECAN spirals. The thermodynamic and microphysical structure of the MCSs were analyzed in the context of three primary MCS regions, namely the transition zone (TZ), enhanced stratiform rain region (ESR), and the anvil region (AR). The 20 June MCS analysis showed that within the transition zone coincident with the rear inflow notch, cooling by sublimation of particles combined with enhanced descent within the rear inflow jet (RIJ) allowed ice particles to survive to temperatures as warm as +6.8°C. In addition, mesoscale descent associated with the RIJ allowed for subsaturated air to persist above and within the melting layer (ML) despite sustained precipitation in the observed regions. Moistening associated with sublimation occurred at a greater rate in the subsaturated air above the ML than the rate of evaporative moistening below the ML due to changes in particle concentrations accompanying increases in particle fall velocity with the phase change across the ML. The environment above the ML moistened between subsequent RIJ spirals, concurrent with maturation of the MCS and closer proximities to the convective line (CL). The effects of aggregation on the temperature dependent microphysical characteristics increased with increasing relative humidity, while the impacts of sublimation on the effects of aggregation and particle shapes, sizes and concentrations became less important. The statistical analysis of 37 PECAN spirals showed that aggregation was common within each of the three MCS regions, with its impacts on the temperature dependent microphysical characteristics the greatest in the enhanced stratiform rain region (ESR), where predominantly ice saturated conditions were found. Progressively smaller changes in particle sizes, shapes, and concentrations due to aggregation were coincident with decreases in the average relative humidity above the ML in the transition zone (TZ) and anvil region (AR). The reverse is true of the impacts of sublimation on the microphysical characteristics of these regions, such that sublimation was most dominant in the AR, where subsaturated conditions persisted to temperatures of −11°C on average and particle number and mass concentrations decreased rapidly with increasing temperature, consistent with a reduced importance of aggregation. Sublimation similarly limited the effectiveness of aggregation within the TZ. Minimal changes with respect to temperature were observed in the microphysical characteristics within the predominantly ice saturated environment of the ESR. The latent cooling imparted with sublimation is thus expected to have been the greatest within the AR, where the descent of the RIJ (if present) would likely initiate. Mesoscale ascent in the stratiform region of a trailing frontal squall line likely contributed to the notably different microphysical characteristics observed within two spirals. These exhibited increasing total number and mass concentrations with increasing temperature along with a high incidence of pristine ice crystals, characteristics absent within all other PECAN spirals.
  • Robust adaptive sampled-data control design for MIMO systems: Applications in cyber-physical security
    Scholarship
    Creator
    Jafarnejadsani, Hamidreza
    Description
    This dissertation extends the L1 adaptive control theory to sampled-data (SD) framework. Multi-input multi-output non-square (underactuated) systems are considered with different sampling rates for inputs and outputs. The sampled-data framework allows to address non-minimum phase systems, subject to less restrictive assumptions as compared to continuous time framework. It is shown that the closed-loop system can recover the response of a continuous-time reference system as the sampling time of the SD controller tends to zero. In this thesis, the L1 sampled data adaptive controller is integrated with the Simplex fault-tolerant architecture for resilient control of cyber-physical systems (CPSs). Detection and mitigation of zero-dynamics attacks are addressed and validated in flight tests of a quadrotor in Intelligent Robotics Laboratory of UIUC. The experiments show that the multirate L1 controller can e effectively detect stealthy zero-dynamics attacks and recover the stability of the perturbed system, where the single-rate conventional L1 adaptive controller fails. From the perspective of applications, the dissertation considers navigation and control of autonomous vehicles and proposes a two-loop framework, in which the high-level reference commands are limited by a saturation function, while the low-level controller tracks the reference by compensating for disturbances and uncertainties. A class of nested, uncertain, multi-input multi-output (MIMO) systems subject to reference command saturation, possibly with non-minimum phase zeros, is considered. Robust stability and performance of the overall closed-loop system with command saturation and multirate L1 adaptive controller are analyzed. Finally, a systematic analysis and synthesis method is proposed for the optimal design of filters in the L1 adaptive output-feedback structure, where the lowpass filter is the key to the trade-off between the performance and robustness of the closed-loop system. An optimization problem is formulated using the constraint on the input time-delay margin and a cost-function based on mixed L1/H2-norm performance measure. The optimization problem can be efficiently solved using linear/quadratic programming. We note that the framework of this dissertation and the multi-loop problem formulation of navigation and control of autonomous systems provide suitable synthesis and analysis tools for autonomous cyber-physical systems (CPSs), including self-driving cars, unmanned aerial vehicles (UAVs), and industrial/medical robots, to name just a few. The SD design facilitates the implementation of control laws on digital computers in CPSs, where the input/output signals are available at discrete time instances with different sampling rates.
  • An examination of gendered discourse in the discussion forums of online STEM courses
    Scholarship
    Creator
    Keyser, Genevieve M.
    Description
    Women are underrepresented in science, technology, engineering, and mathematics (STEM) fields, a problem that has roots in their disproportional enrollment and retention in STEM courses at the collegiate level. Increasingly, introductory courses across the STEM disciplines are offered online. In this project, I focus on one potential gatekeeper to women’s online success: discussion forums. Although many scholars agree that discussion forums are important components of online courses because of the collaboration and community they foster, there are gaps in our understanding of the mechanisms behind how discussion forums actually do that. One potential mechanism is language; studying the language of discussion forums can help us gain insight into students’ state of mind and propensity to form a community. By honing in on specific features of the discussion forums that have the potential to influence students’ interactions with one other (i.e., language), I can begin to develop concrete interventions to help students collaborate more effectively, develop community, and ultimately succeed in the course. The first study of this dissertation describes the state of gendered language use in two online STEM courses. The second paper explores how that language interacts with one way of structuring a discussion forum to predict students’ final grades. That structure consisted of giving students the option to post a solution to a homework problem, ask a question, or answer someone’s question. The results reveal that women and men did not differ in their language use along traditionally gendered lines, which is very promising for women in online courses; this means that it is possible that they can feel more comfortable because the language they use does not overtly mark them as a female, and therefore may subvert the typical result of the negative outcomes associated with that marker. Additionally, although not confined to one’s gender, elements of gendered discourse permeated the discussion forums. Gendered language was uniquely used among posting types and also was relevant to students’ final grades. Being a male, posting solutions, answering others’ questions, having larger word counts, as well as using more numbers and analytic language were all related to earning higher final grades.
  • Open mic? Gender and the meritocratic myth of authenticity in the cultural production of stand-up comedy
    Scholarship
    Creator
    Brown, Stephanie
    Description
    This dissertation demonstrates the ways in which gender plays a role in the validating of authenticity and merit in the cultural and industrial spaces of stand-up comedy. Merit and authenticity are arbitrary signifiers invoked by comics, fans, critics, and industry gatekeepers to protect the privilege of straight, white men who continue to dominate the field. I argue that the ideology of comedic authenticity is a means through which to police the boundaries of stand-up comedy while masking its underlying sexism, racism, and homophobia. More specifically, I argue that women, operationalized here as an industrial identity category, are constructed as comedy outsiders who must continually prove their worth through a shifting and slippery set of aesthetic and cultural norms and conditions. Further I explore the emotional and material labor women must perform to achieve success within the field, both on the local level and the industrial level. I draw attention to gatekeeping in stand-up comedy by theorizing it not as a type of rhetoric or artistic form, but as an industry with a particular culture. To this end, I connect three case-studies that highlight gendered gatekeeping in stand-up comedy: 1) A televised debate between writer Lindy West and comic Jim Norton about rape jokes and the subsequent violent backlash West dealt with on social media; 2) Reviews by television critics of female-led comedies that reinforce masculine standards of quality comedy; and 3) Interviews with women in Chicago and Champaign-Urbana’s comedy scenes that explore how they adapt to fit into masculine, and oftentimes unwelcoming, spaces or how they create their own spaces, classes, festivals, and shows. Through these case-studies, I argue that the study of women in comedy must move beyond attempts to fit women into already existing paradigms and instead use such scholarship to question common sense assumptions about humor and comedy.
  • Cumulative yearly CO2 emission by country
    Scholarship
    Creator
    Balaji, Divya
    Description
    NOTE: This is a Tableau visualization. The purpose of this visualization is to depict the cumulative growth in carbon dioxide emission levels over a 265-year period. Carbon dioxide is essential for life as it both absorbs and emits thermal radiation, which is integral to sustaining a habitable temperature for the planet. Since the Industrial Revolution, however, consumption of fossil fuels has increased at an alarming rate, disrupting the global carbon cycle and leading to a warming effect on the planet. There are numerous implications for global warming including extreme weather patterns, altered crop growth and disrupted sea levels. This entry provides a historical to present day perspective on how CO2 emissions have evolved to meet the demands of the growing population, and furthermore, how these emissions are distributed within the top ten biggest producers in the world. This diagram depicts the key drivers of carbon dioxide emission and holds the key to understanding possible avenues of mitigation of climate change. Sources: World Bank EDGAR - Emissions Database for Global Atmospheric Research
  • INHS Reports, March 1989
    Scholarship
    Creator
    Illinois Natural History Survey
    Description
    Stephen A. Forbes Biological Station
  • Hamilton-Jacobi-Bellman equation for stochastic optimal control: Applications to spacecraft attitude control
    Scholarship
    Creator
    Golpashin, Alen Envieh
    Description
    This study aims to address the problem of attitude control of spacecraft in presence of thrust uncertainty, which leads to stochastic accelerations. Spacecraft equipped with electric propulsion and other low thrust mechanisms, often experience random fluctuations in thrust. These stochastic processes arise from sources such as uncertain power supply output, varying propellant flow rate, faulty thrusters, etc. Mission requirements and mass/fuel limitations demand an optimal and proactive method of control to mitigate the thrust uncertainty and parasitic torque. Stabilizing stochastic optimal control of the satellite attitude dynamics is derived through formulation of the Hamilton-Jacobi-Bellman equation associated with a stochastic differential equation. The solution to the Hamilton-Jacobi-Bellman partial differential equation is approximated through the method of Al’brekht [1]. Extension of Albrekht method for a stochastic system was first presented in [2]; detailed derivations of linear and nonlinear stochastic control laws along with their analytical and numerical analyses are presented in this thesis. A planning method is then discussed to lower the error due to local nature of the control.
  • Global heat balance without and with solar radiation management
    Scholarship
    Creator
    Ding, Chenghao
    Description
    A linearized global heat balance model which is driven by five classes of influence on long wavelength radiation and four classes of influence on short wavelength radiation is calibrated against historical estimates of global average temperature. Additional influences are variability of solar irradiance and the initial global average temperature at the end of pre-industrial period. Industrial activities perturbs the concentration of CO2, CH4, N2O, tropospheric ozone, other greenhouse gases, and contrails in the atmosphere. Also, anthropogenic influences on short wavelength radiation including effects of land use changes on albedo, anthropogenic tropospheric aerosols and stratospheric ozone and black carbon on snow, effects of volcanoes, and variable solar irradiance are considered. The "climate sensitivity" of global average temperature response to these influences accounts for the "ice albedo" effect of global average temperature changes on absorption of short wavelength radiation and the influence of temperature changes on atmospheric water. Using the data-calibrated model, global average temperature is extrapolated to the year 2220.
  • AI concept map
    Scholarship
    Creator
    Rastovac, Matthew
    Description
    NOTE: This is an interactive visualization. Beginners to the machine learning space are often surprised at the amount of terms present in the space. It’s often very difficult to make sense of where these terms originate from, which subfield of ML they belong to, or how they relate. The goal of the AI Concept Map is to demystify these relationships by displaying a concept map of the most common machine learning fields, concepts, models, and algorithms, and how they relate to each other. Understanding where each piece fits helps to understand the whole field and make it seem less daunting.
  • Waste Reduction Policy Resources for Municipal and County Governments
    Scholarship
    Creator
    Barnes, Laura L.
    Description
    This bibliography resulted from an information request to identify resources that state and county governments can use when developing waste reduction policies. It serves as a starting point for communities looking to do similar projects.
  • INHS Reports, October 1989
    Scholarship
    Creator
    Illinois Natural History Survey
    Description
    World Bibliography of Soybean Etymology | The Illinois River: A Lesson to be Learned | Winter Refuges--The Key to Survival of Farmland Deer
  • INHS Reports, February 1990
    Scholarship
    Creator
    Illinois Natural History Survey
    Description
    Potato Leafhopper Control | Computer Software for Analyzing Evolutionary Relationships | Forest Resources of Illinois
  • 2015-2016 Illinois Hunter Harvest Report
    Scholarship
    Creator
    • Williams, Brent D.
    • Miller, Craig A.
    • Schweizer, Laura A.
    • Campbell, Linda K.
    • Conat, Ryan J.
  • The Architecture of Schools of Architecture
    Scholarship
    Creator
    • Anthony, Kathryn H.
    • Wolfgang F.E.Preiser
    • Nasar, Jack L
  • Illini Go
    Scholarship
    Creator
    • Pan, Yiting
    • George, Daniel
    • Franco, Sandra, M
    • Singh, Ravijot
    Description
    Illini Go is a mobile based virtual tour guide designed for students to explore and contribute to our university’s 150 years of myths, legends, and historical facts.
  • The geography of the European potash industry
    Scholarship
    Creator
    Mohme, Fred Stephen
    Description
    Thesis (M.A.)--University of Illinois at Urbana-Champaign, 1927.
  • Oil fields of South America, excluding Venezuela: A geographic analysis
    Scholarship
    Creator
    Clutter, Lester Woodrow
    Description
    Thesis (M.S.)--University of Illinois at Urbana-Champaign, 1951.
  • Sand and gravel resources of Peoria County
    Scholarship
    Creator
    • Hunter, Ralph E.
    • Anderson, Richard C.
  • Diet Development and Evaluation for Selected Coolwater Fishes: Final Report, F-111-R
    Scholarship
    Creator
    • Hooe, Michael L.
    • Wahl, David H.
    • Brecka, Brain J.
  • The geographic significance of the freight rate structure of Illinois
    Scholarship
    Creator
    Alexander, John Wesley
    Description
    Thesis (M.A.)--University of Illinois at Urbana-Champaign, 1941.
  • The sweet corn industry of Iroquois and Vermilion Counties
    Scholarship
    Creator
    Witzig, Frederick Theodore
    Description
    Thesis (M.S.)--University of Illinois at Urbana-Champaign, 1951.
  • Weekly Planning Guide
    Scholarship
    Creator
    Conlon, Mallory
    Description
    This planning guide is designed to help you thoughtfully approach the weekly planning of your online course. Much of this information will be shared with your students, so be sure to fill out this planning guide with your students in mind.
  • Moslem geographers 800-1300 A.D.
    Scholarship
    Creator
    Nejim, Hassan Taha
    Description
    Thesis (M.A.)--University of Illinois at Urbana-Champaign, 1952.
  • Food for Thought: Lunch Programs in the Public Library
    Scholarship
    Creator
    Lapp, Anna
    Description
    The author proposes another way that public libraries can foster student learning by providing lunch programs. The poster outlines a variety of previous studies into the subject spurred by the United States Department of Agriculture's Summer Food Service Program.
  • Statistics of One-Dimensional Cluster Motion
    Scholarship
    Creator
    • Ehrlich, Gert
    • Reed, David A.
    • Wrigley, John D.
    Description
    Coordinated Science Laboratory was formerly known as Control Systems Laboratory
  • Study of a Computer Assisted Test Program
    Scholarship
    Creator
    Sakla, Adel A.
    Description
    Coordinated Science Laboratory was formerly known as Control Systems Laboratory
  • Experimental Study of a Dielectric Antenna at the Frequency Range of 76-80 GHz
    Scholarship
    Creator
    • Chang, A.
    • Mittra, R.
    Description
    Coordinated Science Laboratory was formerly known as Control Systems Laboratory
  • Thermodynamics of Surface Clusters - Direct Observation of Re2 on W(211)
    Scholarship
    Creator
    • Ehrlich. Gert
    • Wrigley, John D.
    • Stolt, Kaj
    Description
    Coordinated Science Laboratory was formerly known as Control Systems Laboratory
  • Levels of Representation of Programs and the Architecture of Universal Host Machines
    Scholarship
    Creator
    Rau, B. Ramakrishna
    Description
    Coordinated Science Laboratory was formerly known as Control Systems Laboratory
  • Nonlinear Solutions of the Wigley Hull
    Scholarship
    Creator
    • Reyes, R.R.
    • Yen, S.M.
    Description
    Coordinated Science Laboratory was formerly known as Control Systems Laboratory
  • Artificial Intelligence and Human Error Prevention: A Computer Aided Decision Making Approach: Technical Report #2:...
    Scholarship
    Creator
    Ross, Charles B.
    Description
    Coordinated Science Laboratory was formerly known as Control Systems Laboratory
  • The Rate-Distortion Function on Classes of Sources Determined by Spectral Capacities
    Scholarship
    Creator
    Poor, H. Vincent
    Description
    Coordinated Science Laboratory was formerly known as Control Systems Laboratory
  • Steps into Computational Geometry: Notebook II
    Scholarship
    Creator
    Preparata, F.P.
    Description
    Coordinated Science Laboratory was formerly known as Control Systems Laboratory
  • Singular Perturbations and Time Scales in Modeling and Control of Dynamic Systems
    Scholarship
    Creator
    Kokotovic, Petar V.
    Description
    Coordinated Science Laboratory was formerly known as Control Systems Laboratory