Staff directory. 1959/60

Description based on: 1971-72

Staff directory. 1971/72

Description based on: 1971-72

From Memorization to Discovery in American Accounting Education

由厦门大学会计发展研究中心提供的第四届会计与财务问题国际研讨会——会计教育改革与发展论文集中的第一部分：会计教育一般0

Final report of LDRD project : compact ultrabright multikilovolt x-ray sources for advanced materials studies, 3D nanoimaging, and attosecond x-ray technology.

Experimental evidence and corresponding theoretical analyses have led to the conclusion that the system composed of Xe hollow atom states, that produce a characteristic Xe(L) spontaneous emission spectrum at 1 {at} 2.9 {angstrom} and arise from the excitation of Xe clusters with an intense pulse of 248 nm radiation propagating in a self-trapped plasma channel, closely represents the ideal situation sought for amplification in the multikilovolt region. The key innovation that is central to all aspects of the proposed work is the controlled compression of power to the level ({approx} 10{sup 20} W/cm{sup 3}) corresponding to the maximum achieved by thermonuclear events. Furthermore, since the x-ray power that is produced appears in a coherent form, an entirely new domain of physical interaction is encountered that involves states of matter that are both highly excited and highly ordered. Moreover, these findings lead to the concept of 'photonstaging', an idea which offers the possibility of advancing the power compression by an additional factor of {approx} 10{sup 9} to {approx} 10{sup 29} W/cm{sup 3}. In this completely unexplored regime, g-ray production ({h_bar}{omega}{sub {gamma}} {approx} 1 MeV) is expected to be a leading process. A new technology for the production of very highly penetrating radiation would then be available. The Xe(L) source at {h_bar}{omega}{sub x} {approx} 4.5 keV can be applied immediately to the experimental study of many aspects of the coupling of intense femtosecond x-ray pulses to materials. In a joint collaboration, the UIC group and Sandia plan to explore the following areas. These are specifically, (1) anomalous electromagnetic coupling to solid state materials, (2) 3D nanoimaging of solid matter and hydrated biological materials (e.g. interchromosomal linkers and actin filaments in muscle), and (3) EMP generation with attosecond x-rays

In situ clay formation : evaluation of a proposed new technology for stable containment barriers.

Containment of chemical wastes in near-surface and repository environments is accomplished by designing engineered barriers to fluid flow. Containment barrier technologies such as clay liners, soil/bentonite slurry walls, soil/plastic walls, artificially grouted sediments and soils, and colloidal gelling materials are intended to stop fluid transport and prevent plume migration. However, despite their effectiveness in the short-term, all of these barriers exhibit geochemical or geomechanical instability over the long-term resulting in degradation of the barrier and its ability to contain waste. No technologically practical or economically affordable technologies or methods exist at present for accomplishing total remediation, contaminant removal, or destruction-degradation in situ. A new type of containment barrier with a potentially broad range of environmental stability and longevity could result in significant cost-savings. This report documents a research program designed to establish the viability of a proposed new type of containment barrier derived from in situ precipitation of clays in the pore space of contaminated soils or sediments. The concept builds upon technologies that exist for colloidal or gel stabilization. Clays have the advantages of being geologically compatible with the near-surface environment and naturally sorptive for a range of contaminants, and further, the precipitation of clays could result in reduced permeability and hydraulic conductivity, and increased mechanical stability through cementation of soil particles. While limited success was achieved under certain controlled laboratory conditions, the results did not warrant continuation to the field stage for multiple reasons, and the research program was thus concluded with Phase 2

Rail-Highway Crossing Delay Study for Dolton and Riverdale

DTRT13-G-UTC52 (Grant 2)This study examined the impacts of rail crossings in the communities of Dolton and Riverdale located approximately 22 miles south of downtown Chicago in the southern Cook County, Illinois. Reflecting their industrial heritage, railroads are a major presence in those communities. There are major rail yards including Union Pacific (UP) Yard Center, Chessie Seaboard X (CSX) Barr Yard, Indiana Harbor Belt (IHB) Blue Island Yard, and Riverdale CSX Yard, generating and attracting significant number of freight trains each day. The study used a tool that carries out dynamic traffic assignment (DTA) to simulate how travelers can utilize real-time information on traffic conditions to avoid lengthy delays that are caused by gate-down events that exceed 10 minutes

Freight Planning for the Dolton and Riverdale Gateway: Grade Separation

This document looks at the potential for grade separation at the ten at-grade rail crossings in or near the villages of Dolton and Riverdale, Cook County, Illinois. Cook County is approximately 22 miles (35 km) south of downtown Chicago. Association of American Railroads (AAR) site descriptions are provided including traffic control devices used at the sites, operational information, and crash history. The at-grade rail crossings are analyzed based on criteria in the Federal Highway Administration's (FHWA's), Federal Railroad-Highway Grade Crossing Handbook. Prioritization of crossings for grade separation are provided by FHWA criteria met: trains by annual average daily traffic (AADT) product, freight gross tons, vehicle delay, and expected accident frequencies

Introducing CRISTAL: A Model of Collaborative, Informed, Strategic Trade Agents With Logistics [Presentation]

Accessibility: This item is not machine readable, please contact NTL Ask A Librarian service for remediation or help with access.PowerPoint presentation covering Transportation Research Board paper: Introducing CRISTAL: A Model of Collaborative, Informed, Strategic Trade Agents With Logistics [Transportation Research Board Annual Meeting 2023 (Paper 23-02960); Committee Meeting, Freight Transportation Planning and Logistics (AT015)]. Paper describes the CRISTAL Freight Transportation model, its initial implementation, and applications to date. CRISTAL stands for Collaborative, Informed, Strategic Trade Agents With Logistics and is an agent-based model