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11th Workshop on Crystalline Silicon Solar Cell Materials and Processes, Extended Abstracts and Papers, 19-22 August 2001, Estes Park, Colorado

Description: The 11th Workshop will provide a forum for an informal exchange of technical and scientific information between international researchers in the photovoltaic and non-photovoltaic fields. Discussions will include the various aspects of impurities and defects in silicon--their properties, the dynamics during device processing, and their application for developing low-cost processes for manufacturing high-efficiency silicon solar cells. Sessions and panel discussions will review impurities and defects in crystalline-silicon PV, advanced cell structures, new processes and process characterization techniques, and future manufacturing demands. The workshop will emphasize some of the promising new technologies in Si solar cell fabrication that can lower PV energy costs and meet the throughput demands of the future. The three-day workshop will consist of presentations by invited speakers, followed by discussion sessions. Topics to be discussed are: Si Mechanical properties and Wafer Handling, Advanced Topics in PV Fundamentals, Gettering and Passivation, Impurities and Defects, Advanced Emitters, Crystalline Silicon Growth, and Solar Cell Processing. The workshop will also include presentations by NREL subcontractors who will review the highlights of their research during the current subcontract period. In addition, there will be two poster sessions presenting the latest research and development results. Some presentations will address recent technologies in the microelectronics field that may have a direct bearing on PV.
Date: August 16, 2001
Creator: Sopori, B.

13th Workshop on Crystalline Silicon Solar Cell Materials and Processes: Extended Abstracts and Papers

Description: The 13th Workshop will provide a forum for an informal exchange of technical and scientific information between international researchers in the photovoltaic and relevant non-photovoltaic fields. It will offer an excellent opportunity for researchers in private industry and at universities to prioritize mutual needs for future collaborative research. The workshop is intended to address the fundamental aspects of impurities and defects in silicon: their properties, the dynamics during device processing, and their application for developing low-cost processes for manufacturing high-efficiency silicon solar cells. A combination of oral, poster, and discussion sessions will review recent advances in crystal growth, new cell structures, new processes and process characterization techniques, and cell fabrication approaches suitable for future manufacturing demands.
Date: August 1, 2003
Creator: Sopori, B. L.; Rand, J.; Saitoh, T.; Sinton, R.; Stavola, M.; Swanson, D. et al.

14th Workshop on Crystalline Silicon Solar Cells & Modules: Materials and Processes; Extended Abstracts and Papers

Description: The 14th Workshop will provide a forum for an informal exchange of technical and scientific information between international researchers in the photovoltaic and relevant non-photovoltaic fields. It will offer an excellent opportunity for researchers in private industry and at universities to prioritize mutual needs for future collaborative research. The workshop is intended to address the fundamental properties of PV silicon, new solar cell designs, advanced solar cell processing techniques, and cell-related module issues. A combination of oral presentations by invited speakers, poster sessions, and discussion sessions will review recent advances in crystal growth, new cell designs, new processes and process characterization techniques, cell fabrication approaches suitable for future manufacturing demands, and solar cell encapsulation. This year's theme, ''Crystalline Si Solar Cells: Leapfrogging the Barriers,'' reflects the continued success of crystalline Si PV in overcoming technological barriers to improve solar cell performance and lower the cost of Si PV. The workshop will consist of presentations by invited speakers, followed by discussion sessions. In addition, there will be two poster sessions presenting the latest research and development results. Some presentations will address recent technologies in the microelectronics field that may have a direct bearing on PV. The sessions will include: Advances in crystal growth and material issues; Impurities and defects; Dynamics during device processing; Passivation; High-efficiency Si solar cells; Advanced processing; Thin Si solar cells; and Solar cell reliability and module issues.
Date: August 1, 2004
Creator: Sopori, B. L.

1970 Cumulative : ACIR state legislative program

Description: The ACIR Library is composed of publications that study the interactions between different levels of government. This document addresses the ACIR state legislative program. This edition is cumulative, and contains draft bills from previous editions, as well as ten new proposals.
Date: August 1969
Creator: United States. Advisory Commission on Intergovernmental Relations.

ADENOVIRUS INTERACTION WITH ITS CELLULAR RECEPTOR CAR.

Description: The mechanism of adenovirus attachment to the host cell plasma membrane has been revealed in detail by research over the past 10 years. It has long been known that receptor binding activity is associated with the viral fibers, trimeric spike proteins that protrude radially from the vertices of the icosahedral capsid (Philipson et al. 1968). In some adenovirus serotypes, fiber and other virus structural proteins are synthesized in excess and accumulate in the cell nucleus during late stages of infection. Fiber protein can be readily purified from lysates of cells infected with subgroup C viruses, for example Ad2 and Ad5 (Boulanger and Puvion 1973). Addition of purified fiber protein to virus suspensions during adsorption strongly inhibits infection, indicating that fiber and intact virus particles compete for binding sites on host cells (Philipson et al. 1968; Hautala et al. 1998). Cell binding studies using purified radiolabeled fiber demonstrated that fiber binds specifically and with high affinity to the cell plasma membrane, and that cell lines typically used for laboratory propagation of adenovirus have approximately 10{sup 4} high-affinity receptor sites per cell (Persson et al. 1985; Freimuth 1996). Similar numbers of high-affinity binding sites for radiolabeled intact virus particles also were observed (Seth et al. 1994).
Date: August 2001
Creator: Howitt, J.; Anderson, C. W. & Freimuth, P.

Adobe or sun-dried brick for farm buildings.

Description: Describes an efficient method of making and using adobe in the form of sun-dried bricks; describes how adobe bricks can be used in different parts of a building, such as: the roof, the boundary walls, the foundation, etc.
Date: August 1949
Creator: Miller, T. A. H. (Thomas Arrington Huntington), 1885- & Molander, Edward G.

Advanced Desiccant Cooling and Dehumidification Program

Description: The use of dessicant materials for cooling and dehumidification is an effective, economical, environmentally safe method for meeting indoor air quality standards established by the American Society of Heating, Refrigerating, and Air-Conditioning Engineers (ASHRAE). To maximize the technology's potential for reducing energy consumption and improving indoor air quality, DOE established the Advanced Desiccant Cooling and Dehumidification Program. The National Renewable Energy Laboratory partners with industry to support and educate industry users, as well as to support technology transfer and benchmark current performance.
Date: August 24, 1999
Creator: Slayzak, S.

Advanced Technology and Alternative Fuel Vehicles

Description: This fact sheet provides a basic overview of today's alternative fuel choices--including biofuels, biodiesel, electricity, and hydrogen--alternative fuel vehicles, and advanced vehicle technology, such as hybrid electric vehicles, fuel cells and advanced drive trains.
Date: August 20, 2001
Creator: Tuttle, J.

The Advisory Commission on Intergovernmental Relations.

Description: The ACIR Library is composed of publications that study the interactions between different levels of government. This document addresses the ACIR itself for the year 1968.
Date: August 1968
Creator: United States. Advisory Commission on Intergovernmental Relations.

Airplane inspection guide.

Description: "The purpose of this manual is to furnish to mechanics, inspectors, and other personnel, ..., the necessary information relative to the inspection of airplanes, airplane engines, and auxiliary equipment."
Date: August 17, 1943
Creator: United States. War Department.

Alcoa North American Extrusions Implements Energy Use Assessments at Multiple Facilities: Office of Industrial Technologies (OIT) BestPractices Aluminum Assessment Case Study

Description: This case study is the latest in a series on industrial firms who are implementing energy efficient technologies and system improvements into their manufacturing processes. The case studies document the activities, savings, and lessons learned on these projects.
Date: August 5, 2001
Creator: Energy, U.S. Department of

Anisotropic Hexagonal Boron Nitride Nanomaterials - Synthesis and Applications

Description: Boron nitride (BN) is a synthetic binary compound located between III and V group elements in the Periodic Table. However, its properties, in terms of polymorphism and mechanical characteristics, are rather close to those of carbon compared with other III-V compounds, such as gallium nitride. BN crystallizes into a layered or a tetrahedrally linked structure, like those of graphite and diamond, respectively, depending on the conditions of its preparation, especially the pressure applied. Such correspondence between BN and carbon readily can be understood from their isoelectronic structures [1, 2]. On the other hand, in contrast to graphite, layered BN is transparent and is an insulator. This material has attracted great interest because, similar to carbon, it exists in various polymorphic forms exhibiting very different properties; however, these forms do not correspond strictly to those of carbon. Crystallographically, BN is classified into four polymorphic forms: Hexagonal BN (h-BN) (Figure 1(b)); rhombohedral BN (r-BN); cubic BN (c-BN); and wurtzite BN (w-BN). BN does not occur in nature. In 1842, Balmain [3] obtained BN as a reaction product between molten boric oxide and potassium cyanide under atmospheric pressure. Thereafter, many methods for its synthesis were reported. h-BN and r-BN are formed under ambient pressure. c-BN is synthesized from h-BN under high pressure at high temperature while w-BN is prepared from h-BN under high pressure at room temperature [1]. Each BN layer consists of stacks of hexagonal plate-like units of boron and nitrogen atoms linked by SP{sup 2} hybridized orbits and held together mainly by Van der Waals force (Fig 1(b)). The hexagonal polymorph has two-layered repeating units: AA'AA'... that differ from those in graphite: ABAB... (Figure 1(a)). Within the layers of h-BN there is coincidence between the same phases of the hexagons, although the boron atoms and nitrogen atoms are alternatively located along ...
Date: August 1, 2008
Creator: Han,W.Q.

Base Visit Book - Air Force - Air Reserve Personnel Center Denver - Aurora - CO

Description: 1. Itinerary 2. Base Summary Sheet 3. Secretary of Defense Recommendation 4. Installation Review 5. State Map and Statistical Data 6. State Closure History List 7. Press Articles and Correspondence 8. Additional Information
Date: August 2, 2005
Creator: United States. Defense Base Closure and Realignment Commission.