WorldWideScience

Sample records for technology apollo extension

  1. Apollo food technology

    Science.gov (United States)

    Smith, M. C., Jr.; Heidelbaugh, N. D.; Rambaut, P. C.; Rapp, R. M.; Wheeler, H. O.; Huber, C. S.; Bourland, C. T.

    1975-01-01

    Large improvements and advances in space food systems achieved during the Apollo food program are discussed. Modifications of the Apollo food system were directed primarily toward improving delivery of adequate nutrition to the astronaut. Individual food items and flight menus were modified as nutritional countermeasures to the effects of weightlessness. Unique food items were developed, including some that provided nutritional completeness, high acceptability, and ready-to-eat, shelf-stable convenience. Specialized food packages were also developed. The Apollo program experience clearly showed that future space food systems will require well-directed efforts to achieve the optimum potential of food systems in support of the physiological and psychological well-being of astronauts and crews.

  2. 76 FR 4350 - Health Information Technology Extension Program

    Science.gov (United States)

    2011-01-25

    ... DEPARTMENT OF HEALTH AND HUMAN SERVICES Health Information Technology Extension Program ACTION: Public Notice. SUMMARY: This notice announces changes to the Health Information Technology Extension... of the National Coordinator for Health Information Technology, 200 Independence Ave, SW., Suite 729D...

  3. Apollo raamatupood = Apollo bookstore

    Index Scriptorium Estoniae

    2010-01-01

    Eesti Sisearhitektide Liidu 2009. a. kaupluse interjööri preemia pälvinud Apollo raamatukauplusest Solarise keskuses Tallinnas Estonia pst. 9. Sisekujunduse autorid Tüüne-Kristin Vaikla ja Urmo Vaikla (Vaikla Stuudio), loetletud nende töid

  4. Application of information technology in agricultural extension ...

    African Journals Online (AJOL)

    , tasks and trends, particularly with the impact of Information Communication Technology. Information technologies have the potential to support the agri-food sector in coping with the challenges but they are also key enablers for some of the ...

  5. Technology--The Extension of Human Potential

    Science.gov (United States)

    Childress, Vincent W.

    2018-01-01

    Technology is defined differently depending on one's point of view, but in "Standards for Technological Literacy," technology is defined as "Human innovation…the generation of knowledge and processes…that solve problems and extend human capabilities" (ITEA/ITEEA 2000/2002/2007). The processes associated with the development of…

  6. Extension Youth Educators' Technology Use in Youth Development Programming

    Science.gov (United States)

    McClure, Carli; Buquoi, Brittany; Kotrlik, Joe W.; Machtmes, Krisanna; Bunch, J. C.

    2014-01-01

    The purpose of this descriptive-correlational study was to determine the use of technology in youth programming by Extension youth development educators in Louisiana, Mississippi, and Tennessee. Data were collected via e-mail and a SurveyMonkey© questionnaire. Extension educators are using some technology in youth development programming. More…

  7. Information seeking research needs extension towards tasks and technology

    Directory of Open Access Journals (Sweden)

    Kalervo Järvelin

    2004-01-01

    Full Text Available This paper discusses the research into information seeking and its directions at a general level. We approach this topic by analysis and argumentation based on past research in the domain. We begin by presenting a general model of information seeking and retrieval (IS&R which is used to derive nine broad dimensions that are needed to analyze IS&R. Past research is then contrasted with the dimensions and shown not to cover the dimensions sufficiently. Based on an analysis of the goals of information seeking research, and a view on human task performance augmentation, it is then shown that information seeking is intimately associated with, and dependent on, other aspects of work; tasks and technology included. This leads to a discussion on design and evaluation frameworks for IS&R, based on which two action lines are proposed: information retrieval research needs extension towards more context and information seeking research needs extension towards tasks and technology.

  8. Technology and testing for the extension of plant life

    International Nuclear Information System (INIS)

    Blumer, U.R.; Edelmann, X.

    1988-01-01

    This paper describes selected portions of a recommended program for the application of equipment-manufacturing-related technology and testing for the extension of life for operating nuclear power plants. It is appropriate to mention that the Swiss nuclear plants, their staffs, and the supporting Swiss nuclear industry are rightfully proud of their record of performance. Plant staffs have been intimately involved in system and equipment design and engineering from the very beginnings of their plants. Maintenance of the plant systems and equipment is referred to as engineering rather than maintenance, because it is viewed as a technical effort and an extension of the original plant and equipment design and construction effort. Care, competence, cleanliness, and attention to detail have been bywords for the Swiss plants. Success has been demonstrated through enviable availability performance. With operation and availability capability already demonstrated, the Swiss are now turning their attention to the extension of plant life. This summary describes some aspects of this work, which is fundamentally based on the application of technology and testing skills developed for equipment manufacture and the original installation of this equipment in the plants, but has been enhanced by research and development (R and D) and an ongoing effort to serve utilities in their maintenance activities

  9. Apollo 13 emblem

    Science.gov (United States)

    1969-01-01

    This is the insignia of the Apollo 13 lunar landing mission. Represented in the Apollo 13 emblem is Apollo, the sun god of Greek mythology, symbolizing how the Apollo flights have extended the light of knowledge to all mankind. The Latin phrase Ex Luna, Scientia means 'From the Moon, Knowledge'.

  10. From Apollo to Cognac

    Science.gov (United States)

    1980-01-01

    Shell Oil Company started oil and gas production from a new offshore platform called Cognac located in the Gulf of Mexico. It is the world's tallest oil platform, slightly taller than the Empire State Building. The highly complex job of installing Cognac's support "jacket" under water more than a thousand feet deep was directed from a barge-based control center. To enable crews to practice in advance difficult tasks never before accomplished, Honeywell, adapting NASA's Apollo technology, developed a system for simulating the various underwater operations. In training sessions, displays and controls reacted exactly as they would in real operation.

  11. Apollo Image Atlas

    Data.gov (United States)

    National Aeronautics and Space Administration — The Apollo Image Atlas is a comprehensive collection of Apollo-Saturn mission photography. Included are almost 25,000 lunar images, both from orbit and from the...

  12. Apollo Surface Panoramas

    Data.gov (United States)

    National Aeronautics and Space Administration — Apollo Surface Panoramas is a digital library of photographic panoramas that the Apollo astronauts took while exploring the Moon's surface. These images provide a...

  13. Agricultural Technology Extension and Adoption in China: A Case from Kaizuo Township, Guizhou Province

    NARCIS (Netherlands)

    Yuan Juanwen,; Niehof, Anke

    2011-01-01

    This article describes agricultural technology extension, access to channels of information and adoption of agricultural technology in rural Guizhou, China. It addresses the questions of whether the agricultural technology extension process matches the needs of the villagers and whether in using

  14. Remembering Apollo 11: The 30th Anniversary Data Archive CD-ROM

    Science.gov (United States)

    Cortright, Edgar M. (Editor)

    1999-01-01

    On July 20, 1969, the human race accomplished its single greatest technological achievement of all time when a human first set foot on another celestial body. Six hours after landing at 4:17 p.m. Eastern Standard Time (with less than thirty seconds of fuel remaining), Neil A. Armstrong took the "small step" into our greater future when he stepped off the Lunar Module, named Eagle, onto the surface of the Moon, from which he could look up and see Earth in the heavens as no one had done before him. He was shortly joined by Edwin "Buzz" Aldrin, and the two astronauts spent twenty-one hours on the lunar surface and returned forty-six pounds of lunar rocks. After their historic walks on the Moon, they successfully docked with Michael Collins, patiently orbiting the cold but no longer lifeless Moon alone in the Command module Columbia. This CR-ROM is intended as a collection of hard to find technical data and other interesting information about the Apollo 11 mission, as well as the apollo program in general. It includes basic overviews, such as a retrospective analysis, an annotated bibliography, and history of the lunar-orbit rendezvous concept. It also contains technical data, such as mission operations reports, press kits, and news references for all of the Apollo missions, the Apollo spacecraft, and the Saturn V launch vehicle. Rounding out this CD-ROM are extensive histories of the lunar Orbiter program (the robotic predecessor to Apollo, biographies of the Apollo astronauts and other key individuals, and interesting audio-visual materials, such as video and audio clips, photo galleries, and blueprint-like diagrams of the Apollo spacecraft.

  15. A southern region conference on technology transfer and extension

    Science.gov (United States)

    Sarah F. Ashton; William G. Hubbard; H. Michael Rauscher

    2009-01-01

    Forest landowners and managers have different education and technology transfer needs and preferences. To be effective it is important to use a multi-faceted science delivery/technology transfer program to reach them. Multi-faceted science delivery programs can provide similar content over a wide range of mechanisms including printed publications, face-to-face...

  16. Impacts of extension access and cooperative membership on technology adoption and household welfare.

    Science.gov (United States)

    Wossen, Tesfamicheal; Abdoulaye, Tahirou; Alene, Arega; Haile, Mekbib G; Feleke, Shiferaw; Olanrewaju, Adetunji; Manyong, Victor

    2017-08-01

    This paper examines the impacts of access to extension services and cooperative membership on technology adoption, asset ownership and poverty using household-level data from rural Nigeria. Using different matching techniques and endogenous switching regression approach, we find that both extension access and cooperative membership have a positive and statistically significant effect on technology adoption and household welfare. Moreover, we find that both extension access and cooperative membership have heterogeneous impacts. In particular, we find evidence of a positive selection as the average treatment effects of extension access and cooperative membership are higher for farmers with the highest propensity to access extension and cooperative services. The impact of extension services on poverty reduction and of cooperatives on technology adoption is significantly stronger for smallholders with access to formal credit than for those without access. This implies that expanding rural financial markets can maximize the potential positive impacts of extension and cooperative services on farmers' productivity and welfare.

  17. Exploring the Use of Information Communication Technologies by Selected Caribbean Extension Officers

    Science.gov (United States)

    Strong, Robert; Ganpat, Wayne; Harder, Amy; Irby, Travis L.; Lindner, James R.

    2014-01-01

    Purpose: The purpose of this study was to describe selected Caribbean extension officers' technology preferences and examine factors that may affect their technology preferences. Design/methodology/approach: The sample consisted of extension officers (N = 119) participating in professional development training sessions in Grenada, Belize and Saint…

  18. Drydock Extension - A 1980 Underwater Technology Survey for Extension of Time between Drydocking

    Science.gov (United States)

    1980-12-01

    stations in Las Palmas and Aruba routinely clean tankers and cargo ships in a twenty-four hour period. C. Research Underway for Advancing Technology: The...to 100 in order to expose the hull down to the turn of the bilge has been a routine practice since 1975 in Las Palmas , Canary Islands (BID 59, 134...San Diego, CA 92112 Continental Diving Service, Inc. International Paint Co. P. 0. Box 2484 3105 Lorena AvenueMorgan City, LA 70381 Baltimore

  19. Agricultural extension, technology adoption and household food security

    NARCIS (Netherlands)

    Santos Rocha, Jozimo

    2017-01-01

    In this thesis, I use experimental and quasi-experimental data from 25 villages and a total of 1,105 farmers from eastern DRC to investigate the relationship among agricultural training, the adoption of agricultural technologies, crop productivity, and household food insecurity and dietary

  20. Adoption of Information and Communication Technologies (ICTs) by Agricultural Science and Extension Teachers in Abuja, Nigeria

    Science.gov (United States)

    Alabi, Olugbenga Omotayo

    2016-01-01

    This study examined adoption of Information and Communication Technologies (ICTs) by agricultural science and extension teachers in Abuja, Nigeria. Specifically, the objectives are to: identify the background and demographic characteristics of agricultural science and extension teachers in the study area; examine the factors influencing adoption…

  1. Dynamics and distribution of public and private research and extension roles for technological innovation and diffusion

    NARCIS (Netherlands)

    Eastwood, C.; Klerkx, L.; Nettle, R.

    2017-01-01

    Precision farming technologies represent an innovation challenge in terms of their diffusion into farming practice, and create a new dynamic for research and extension roles. The purpose of this paper is to examine the interaction and distribution of research and extension roles of public,

  2. Technological feasibility of irradiating pineapples for shelf-life extension

    International Nuclear Information System (INIS)

    Sharma, Jiten

    2001-01-01

    The spoilage of food caused by infestation, contamination and deterioration of the world's food supply is enormous in the developing countries where warm and humid climate favour the growth of spoilage organisms and hasten deterioration of stored food. Particularly, in a country like India where the population growth has already attained one billion, any preventable loss of food is intolerable. Since food security of a nation also largely determines the economic stability as well as self-reliance, this problem draws utmost attention not only of the food scientists but also of the food policy makers. From these above facts, it may be concluded that radiation technology can be safely used for extending shelf-life of pineapple fruits thereby maximizing the transportation and marketing potentials. Consumption of such irradiated pineapples simultaneously does not pose any immediate or long-term human health risks. Keeping these techno-economic considerations in view establishment of large scale industrial operations for irradiating fruits, vegetables, cereals etc. are of immense importance

  3. Apollo Lightcraft Project

    Science.gov (United States)

    Myrabo, Leik N.; Atonison, Mark A. (Editor); Chen, Sammy G. (Editor); Decusatis, Casimer (Editor); Kusche, Karl P. (Editor); Minucci, Marco A. (Editor); Moder, Jeffrey P. (Editor); Morales, Ciro (Editor); Nelson, Caroline V. (Editor); Richard, Jacques C. (Editor)

    1989-01-01

    The ultimate goal for this NASA/USRA-sponsored Apollo Lightcraft Project is to develop a revolutionary manned launch vehicle technology which can potentially reduce payload transport costs by a factor of 1000 below the Space Shuttle Orbiter. The Rensselaer design team proposes to utilize advanced, highly energetic, beamed-energy sources (laser, microwave) and innovative combined-cycle (airbreathing/rocket) engines to accomplish this goal. The research effort focuses on the concept of a 100 MW-class, laser-boosted Lightcraft Technology Demonstrator (LTD) drone. The preliminary conceptual design of this 1.4 meter diameter microspacecraft involved an analytical performance analysis of the transatmospheric engine in its two modes of operation (including an assessment of propellant and tankage requirements), and a detailed design of internal structure and external aeroshell configuration. The central theme of this advanced propulsion research was to pick a known excellent working fluid (i.e., air or LN sub 2), and then to design a combined-cycle engine concept around it. Also, a structural vibration analysis was performed on the annular shroud pulsejet engine. Finally, the sensor satellite mission was examined to identify the requisite subsystem hardware: e.g., electrical power supply, optics and sensors, communications and attitude control systems.

  4. Reaching Families through Social Media: Training Extension Professionals to Implement Technology in Their Work

    Directory of Open Access Journals (Sweden)

    Kim Allen

    2014-06-01

    Full Text Available Cooperative Extension professionals have a long tradition of helping improve the lives of the families they serve by sharing research-based information. More than ever, families are getting their information online, creating a need for Extension professionals to deliver content via technology. This article describes a training designed to teach Extension professionals ways to increase their reach to families through the use of technology in their work. Extension professionals attended an 8-hour, face-to-face training in which they completed a pre, post, and follow-up survey. Results from the training indicated that this training was effective in changing attitudes about the usefulness of technology and increasing their use of social media to reach families.

  5. Investigating Students' Perceptions on Laptop Initiative in Higher Education: An Extension of the Technology Acceptance Model

    Science.gov (United States)

    Elwood, Susan; Changchit, Chuleeporn; Cutshall, Robert

    2006-01-01

    Purpose: This study aims to examine students' perceptions and their acceptance towards implementing a laptop program. Design/methodology/approach: Extensive research has been carried out on the technology acceptance model (TAM) to better understand the behavioral intention of individuals to accept and use technology. Therefore, the TAM was adopted…

  6. Raising Awareness of Assistive Technology in Older Adults through a Community-Based, Cooperative Extension Program

    Science.gov (United States)

    Sellers, Debra M.; Markham, Melinda Stafford

    2012-01-01

    The Fashion an Easier Lifestyle with Assistive Technology (FELAT) curriculum was developed as a needs-based, community educational program provided through a state Cooperative Extension Service. The overall goal for participants was to raise awareness of assistive technology. Program evaluation included a postassessment and subsequent interview to…

  7. Utilization of Educational Innovations and Technology in Research and Extension Functions of State Universities

    Directory of Open Access Journals (Sweden)

    Rosalinda M. Comia

    2017-11-01

    Full Text Available The study focused on the extent of utilization of the educational innovations and technology in research and extension functions of SUs. The descriptive design, triangulation method, and purposive sampling were applied in this study. The findings revealed that majority of the respondents are married adults and master’s degree graduates with education as their area of specialization. They are permanent in status and have considerable years in the University serving as research or extension officer. Research of SUs have common research thrusts in terms of environment and natural resources management but differ in their own respective agenda; similarly the SUs share common extension thrusts and concerns but differ in their programs, activities and projects related to community services. Commonly encountered problems concern inadequate funds and inability to access the available technology. Officers utilized educational innovations on research and extension to a moderate extent but software and hardware were utilized to a great extent; likewise internet-based communication was utilized to a great extent for research but used moderately for extension. This implies that compared to research, most of the extension functions do not require the use of internet-based communication. From the results of the study, it was recommended that review of the existing allocation of funds for technology development may be done to improve the existing hardware, software and communication facilities.

  8. Apollo 11 Mission Commemorated

    Science.gov (United States)

    Showstack, Randy

    2009-07-01

    On 24 July 1969, 4 days after Apollo 11 Mission Commander Neil Armstrong and Lunar Module Eagle Pilot Eugene “Buzz” Aldrin had become the first people to walk on the Moon, they and Apollo 11 Command Module Pilot Michael Collins peered through a window of the Mobile Quarantine Facility on board the U.S.S. Hornet following splashdown of the command module in the central Pacific as U.S. President Richard Nixon told them, “This is the greatest week in the history of the world since the creation.” Forty years later, the Apollo 11 crew and other Apollo-era astronauts gathered at several events in Washington, D. C., to commemorate and reflect on the Apollo program, that mission, and the future of manned spaceflight. “I don’t know what the greatest week in history is,” Aldrin told Eos. “But it was certainly a pioneering opening the door. With the door open when we touched down on the Moon, that was what enabled humans to put many more footprints on the surface of the Moon.”

  9. Evaluation of Online Video Usage and Learning Satisfaction: An Extension of the Technology Acceptance Model

    Science.gov (United States)

    Nagy, Judit T.

    2018-01-01

    The aim of the study was to examine the determining factors of students' video usage and their learning satisfaction relating to the supplementary application of educational videos, accessible in a Moodle environment in a Business Mathematics Course. The research model is based on the extension of "Technology Acceptance Model" (TAM), in…

  10. Enhancing Extension Programs by Discussing Water Conservation Technology Adoption with Growers

    Science.gov (United States)

    Lamm, Alexa J.; Warner, Laura A.; Martin, Emmett T.; White, Sarah A.; Fisher, Paul

    2017-01-01

    Nursery growers are one of the largest agricultural users of water. Researchers have been developing new water treatment techniques and technologies for nursery growers to assist in preserving this precious resource, yet adoption within the industry has been limited. Extension professionals need to work closely with nursery growers to encourage…

  11. Technology News; Distance Education Project: Extending Extension Programming via Telecommunications Technology; [and] Fax for Library Services.

    Science.gov (United States)

    Coyle, Larry; Spitzer, Kathleen L.

    1992-01-01

    Three articles discuss (1) the numbers of microcomputers installed in elementary and secondary schools; (2) a distance education project in the Minnesota Extension Service that used a satellite delivery system and integrated it with a computer information network; and (3) the use of facsimile machines for library services. (LRW)

  12. Apollo 10 - 11

    Science.gov (United States)

    2001-01-01

    This video gives overviews of the Apollo 10 and Apollo 11 missions to the moon, including footage from the launches and landings of the Command Module Columbia, which is used for both flights. The Apollo 10 crewmembers, Commander Thomas Stafford, Command Module Pilot John Young, and Lunar Module Pilot Eugene Cernan, are seen as they suit-up in preparation for launch and then as they experiment with the microgravity environment on their way to the moon. The moon's surface is seen in detail as the Command Module orbits at an altitude of 69 miles. The Apollo 11 crewmembers, Commander Neil Armstrong, Command Module Pilot Michael Collins, and Lunar Module Pilot Buzz Aldrin, are seen during various training activities, including simulated lunar gravity training, practicing collecting lunar material, and using the moonquake detector. Footage shows the approach and landing of the Lunar Module Eagle on the moon. Armstrong and Aldrin descend to the moon's surface, collect a sample of lunar dust, and erect the American flag. Eagle's liftoff from the moon is seen.

  13. Apollo premeeris lugejate lemmikautoreid

    Index Scriptorium Estoniae

    2010-01-01

    Raamatupood Apollo kuulutas välja lugejate lemmikraamatud 2010: Mihkel Raua romaan "Sinine on sinu taevas", tõlketeostest Mika Waltari "Sinuhe : egiptlane", aja- ja elulooraamatutest Mart Laari "101 Eesti ajaloo sündmust", lasteraamatutest Andrus Kivirähki "Kaka ja kevad" ning luuleraamatutest Asko Künnapi, Jürgen Rooste ja Karl Martin Sinijärve "Eesti haiku"

  14. Apollo The Definitive Sourcebook

    CERN Document Server

    Orloff, Richard W

    2006-01-01

    On 25 May 1961, John F Kennedy announced the goal of landing an American man on the Moon by the end of the decade. This challenge forced NASA to review the planned lunar landing of a three-man spaceship named Apollo in the mid-1970s. In 1962, it was decided that a specialized vehicle would accompany the main spacecraft, to make the lunar landing while the mothership remained in lunar orbit. To send these vehicles to the Moon would require the development of an enormous rocket. Development was protracted, but in December 1968 Apollo 8 was launched on a pioneering mission to perform an initial reconnaissance in lunar orbit. When Apollo 17 lifted off from the Moon in December 1972, the program was concluded. Now, at long last, there is a real prospect of a resumption of human exploration of the Moon. This book provides an overview of the origins of the Apollo program and descriptions of the ground facilities, launch vehicles and spacecraft that will serve as an invaluable single-volume sourcebook for space enthu...

  15. Log of Apollo 11.

    Science.gov (United States)

    National Aeronautics and Space Administration, Washington, DC.

    The major events of the first manned moon landing mission, Apollo 11, are presented in chronological order from launch time until arrival of the astronauts aboard the U.S.S. Hornet. The log is descriptive, non-technical, and includes numerous color photographs of the astronauts on the moon. (PR)

  16. Apollo lugejate lemmikraamatud

    Index Scriptorium Estoniae

    2006-01-01

    Apollo kaupluse koduleheküljel valiti parimaks ilukirjandusteoseks Jan Kausi "Tema", tõlgitud ilukirjanduse osas David Mitchelli "Pilveatlas", luuleraamatutest Ott Arderi "Luule sünnib kus sünnib kui sünnib" ja lasteraamatutest Christopher Paolini "Vanem". Vt. ka SL Õhtuleht, 14. dets., lk. 13

  17. Apollo 14 emblem

    Science.gov (United States)

    1970-01-01

    This is the Apollo 14 crew patch. It features the astronaut lapel pin approaching the Moon and leaving a comet trail from the liftoff point on Earth. The pin design was adopted by the astronaut corps several years ago. Astronauts who have not yet flown in space wear silver pins. Those who have flown wear gold pins.

  18. Telemedicine in India: the Apollo story.

    Science.gov (United States)

    Ganapathy, Krishnan; Ravindra, Aditi

    2009-01-01

    The challenges faced and the methods implemented by the Apollo Hospitals Group in introducing telemedicine in the Indian setting are discussed in this article. Using Information and Communication Technology (ICT) to make available secondary and tertiary medical expertise to suburban and rural India was thought of as early as 1997. In March 2000, the world's first Very Small Aperture Terminal (VSAT)-enabled village hospital was commissioned. Today, with 115 centers including 9 overseas, the Apollo Telemedicine Networking Foundation (ATNF) is the oldest and largest multispecialty telemedicine network. More than 57,000 teleconsultations in various disciplines, ranging from sexual medicine to neurosurgery, have been provided. Patients have been evaluated from distances ranging from 120 to 4,500 miles. A majority (85%) of these teleconsults were reviews. The successful proof of concept validation studies, carried out from 2000 to 2001 by Apollo, were instrumental in the Indian Space Research Organization (ISRO) including telemedicine as a major thrust area. The pioneering role played by Apollo is also discussed in using VSAT-enabled Hospitals on Wheels. The paper reviews the significant role played by ATNF in the growth and development of telemedicine in South Asia. Academic activities are also highlighted. The pioneering efforts in the field of m-health, home telecare, the Pan African e-Network Project, starting the first formal educational course in telehealth and various other e-initiatives are elaborated.

  19. How Apollo Flew to the Moon

    CERN Document Server

    Woods, W David

    2011-01-01

    This new and expanded edition of the bestselling How Apollo Flew to the Moon tells the exciting story of how the Apollo missions were conducted and follows a virtual flight to the Moon and back. New material includes: - the exploration of the lunar surface; - more illustrations; - more technical explanations and anecdotes. From launch to splashdown, hitch a ride in the incredible Apollo spaceships, the most sophisticated machines of their time. Explore each step of the journey and glimpse the enormous range of disciplines, techniques, and procedures the Apollo crews had to master. Although the tremendous technological accomplishments are well documented, the human dimension is not forgotten, and the book calls on the testimony of the people who were there at the time. A wealth of fascinating and accessible material is provided, including: the role of the powerful Saturn V; the reasoning  behind trajectories; the day-to-day concerns of human and spacecraft health; the triumphs and difficulties of working in...

  20. Former Apollo astronauts speak at Apollo 11 anniversary banquet.

    Science.gov (United States)

    1999-01-01

    Former Apollo astronauts Neil Armstrong (left) and Gene Cernan entertain the audience during an anniversary banquet honoring the Apollo program team, the people who made the entire lunar landing program possible. The banquet was held in the Apollo/Saturn V Center, part of the KSC Visitor Complex. This is the 30th anniversary of the Apollo 11 launch and moon landing, July 16 and July 20, 1969. Other guests at the banquet were astronauts Wally Schirra, Edwin 'Buzz' Aldrin and Walt Cunningham. Neil Armstrong was the first man to walk on the moon; Gene Cernan was the last.

  1. Apollo's scientific legacy

    International Nuclear Information System (INIS)

    Meadows, J.

    1979-01-01

    The scientific value and importance of the Apollo lunar programme is assessed in the light of data obtained both from the lunar surface itself and also from the command modules which orbited above. It is stated that much of the material they returned still awaits a detailed examination and that the cooperative teams set up to handle the lunar material have established new methods and standards of analysis, which are currently revitalising the old science of meteoritics. The new forms of organised research have also been carried over in the rapidly developing subject of planetary science. It is concluded that whatever the motives for launching the Apollo missions, planetary scientists have been in a much better position to understand the Solar System since then. (UK)

  2. 75 FR 28782 - Extension of Period for Nominations to the National Medal of Technology and Innovation Nomination...

    Science.gov (United States)

    2010-05-24

    ...] Extension of Period for Nominations to the National Medal of Technology and Innovation Nomination Evaluation... Medal of Technology and Innovation Nomination Evaluation Committee. The USPTO is extending the deadline... should be submitted to Richard Maulsby, Program Manager, National Medal of Technology and Innovation...

  3. Reliability history of the Apollo guidance computer

    Science.gov (United States)

    Hall, E. C.

    1972-01-01

    The Apollo guidance computer was designed to provide the computation necessary for guidance, navigation and control of the command module and the lunar landing module of the Apollo spacecraft. The computer was designed using the technology of the early 1960's and the production was completed by 1969. During the development, production, and operational phase of the program, the computer has accumulated a very interesting history which is valuable for evaluating the technology, production methods, system integration, and the reliability of the hardware. The operational experience in the Apollo guidance systems includes 17 computers which flew missions and another 26 flight type computers which are still in various phases of prelaunch activity including storage, system checkout, prelaunch spacecraft checkout, etc. These computers were manufactured and maintained under very strict quality control procedures with requirements for reporting and analyzing all indications of failure. Probably no other computer or electronic equipment with equivalent complexity has been as well documented and monitored. Since it has demonstrated a unique reliability history, it is important to evaluate the techniques and methods which have contributed to the high reliability of this computer.

  4. Research on Deep Joints and Lode Extension Based on Digital Borehole Camera Technology

    Directory of Open Access Journals (Sweden)

    Han Zengqiang

    2015-09-01

    Full Text Available Structure characteristics of rock and orebody in deep borehole are obtained by borehole camera technology. By investigating on the joints and fissures in Shapinggou molybdenum mine, the dominant orientation of joint fissure in surrounding rock and orebody were statistically analyzed. Applying the theory of metallogeny and geostatistics, the relationship between joint fissure and lode’s extension direction is explored. The results indicate that joints in the orebody of ZK61borehole have only one dominant orientation SE126° ∠68°, however, the dominant orientations of joints in surrounding rock were SE118° ∠73°, SW225° ∠70° and SE122° ∠65°, NE79° ∠63°. Then a preliminary conclusion showed that the lode’s extension direction is specific and it is influenced by joints of surrounding rock. Results of other boreholes are generally agree well with the ZK61, suggesting the analysis reliably reflects the lode’s extension properties and the conclusion presents important references for deep ore prospecting.

  5. Gills as morphological biomarkers in extensive and intensive rainbow trout (Oncorhynchus mykiss, Walbaum 1792) production technologies.

    Science.gov (United States)

    Strzyżewska-Worotyńska, Emilia; Szarek, Józef; Babińska, Izabella; Gulda, Dominika

    2017-11-06

    We investigated environmental impacts on rainbow trout (Oncorhynchus mykiss) reared at fish farms with either extensive technology, in a flow-through system (FTS, n = 3), or intensive technology, in a recirculating aquaculture system (RAS, n = 3). All fish were fed the same rations. Fish were caught in spring and autumn (body mass, 501-750 g) from these six farms. We performed macroscopic (intact fish) and microscopic (gills stained with haematoxylin/eosin) examinations. Lesions were categorised based on the type and location of structural abnormalities. The histopathological index (HAI) was calculated, and each lesion was scored. Fish reared in FTS or RAS were compared for the prevalence of morphological lesions. Gill epithelial hypertrophy and hyperplasia comprised 73% (RAS) to 79% (FTS) of all morphological abnormalities. In spring and autumn, lesions comprised, respectively, 11 and 18% (FTS) and 16 and 10% (RAS) mucous and chloride cell abnormalities and 8 and 4% (FTS) and 10 and 3% (RAS) blood vessel abnormalities. Diffuse, irreversible gill lesions were observed sporadically in all fish. Gill epithelium received the most exposure to environmental pathogens. HAIs indicated that normal gill architecture and minor lesions predominated in all fish. However, among trout caught in spring, moderate and extensive changes in gills occurred more commonly with RAS (34%) than with FTS (17%). Trout caught in autumn displayed no great differences. These results indicated that FTS prepared fish better than RAS for wintering. Moreover, we showed that gills were an excellent biomarker for analysing the impact of extensive and intensive production environments on rainbow trout.

  6. Alternatives to grid extension for rural electrification: Decentralized renewable energy technologies in Vietnam

    International Nuclear Information System (INIS)

    Nguyen, Khanh Q.

    2007-01-01

    This paper examines the economic viability of stand-alone, household-sized renewable energy technologies, namely wind generator and solar PV for application in remote and rural areas of Vietnam. Three reference technologies are chosen. These are two solar PV systems of 130 and 100 Wp for solar conditions in the North and the South, respectively, and one 150 W wind turbine. It is found for all regions that levelized costs of PV energy are lower than the cost of energy from gasoline gen-set, and are cost-competitive with grid extension, especially for areas with low load density and low number of households to be electrified. Regarding wind energy, the viability is dependent on the location due to the wide variation of wind resource to topography. However, in locations with proper resources, wind energy is even more cost-competitive than solar PV. Thus, the use of either wind generator or solar PV is economically feasible in rural villages and remote areas of Vietnam. Policy recommendations for promoting the market development of renewable energy technologies are discussed in the final section of the paper

  7. Apollo, Marsyas and Ferdinand I

    Czech Academy of Sciences Publication Activity Database

    Bažant, Jan

    2009-01-01

    Roč. 2007, č. 22 (2009), s. 127-136 ISSN 0567-8269 Institutional research plan: CEZ:AV0Z90090514 Keywords : Apollo * Marsyas * Ferdinand I * Prague * Renaissance Subject RIV: AA - Philosophy ; Religion

  8. Stopping electric field extension in a modified nanostructure based on SOI technology - A comprehensive numerical study

    Science.gov (United States)

    Anvarifard, Mohammad K.; Orouji, Ali A.

    2017-11-01

    This article has related a particular knowledge in order to reduce short channel effects (SCEs) in nano-devices based on silicon-on-insulator (SOI) MOSFETs. The device under study has been designed in 22 nm node technology with embedding Si3N4 extra oxide as a stopping layer of electric field and a useful heatsink for transferring generated heat. Two important subjects (DC characteristics and RF characteristics) have been investigated, simultaneously. Stopping electric field extension and enhancement of channel thermal conduction are introduced as an entrance gateway for this work so that improve the electrical characteristics, eventually. The inserted extra oxide made by the Si3N4 material has a vital impact on the modification of the electrical and thermal features in the proposed device. An immense comparison between the proposed SOI and conventional SOI showed that the proposed structure has higher electrical and thermal proficiency than the conventional structure in terms of main parameters such as short channel effects (SCEs), leakage current, floating body effect (FBE), self-heating effect (SHE), voltage gain, ratio of On-current to Off- current, transconductance, output conductance, minimum noise figure and power gain.

  9. Managing the Moon Program: Lessons Learned from Project Apollo

    Science.gov (United States)

    1999-01-01

    There have been many detailed historical studies of the process of deciding on and executing the Apollo lunar landing during the 1960s and early 1970s. From the announcement of President John F Kennedy on May 25, 1961, of his decision to land an American on the Moon by the end of the decade, through the first lunar landing on July 20, 1969, on to the last of six successful Moon landings with Apollo 17 in December 1972, NASA carried out Project Apollo with enthusiasm and aplomb. While there have been many studies recounting the history of Apollo, at the time of the 30th anniversary of the first lunar landing by Apollo 11, it seems appropriate to revisit the process of large-scale technological management as it related to the lunar mission. Consequently, the NASA History Office has chosen to publish this monograph containing the recollections of key partcipants in the management process. The collective oral history presented here was recorded in 1989 at the Johnson Space Center's Gilruth Recreation Center in Houston, Texas. It includes the recollections of key participants in Apollo's administration, addressing issues such as communication between field centers, the prioritization of technological goals, and the delegation of responsibility. The following people participated: George E. Muller, Owen W. Morris, Maxime A. Faget, Robert R. Gilruth, Christopher C. Kraft, and Howard W. (Bill) Tindall. The valuable perspectives of these individuals deepen and expand our understanding of this important historical event. This is the 14th in a series of special studies prepared by the NASA History Office. The Monographs in Aerospace History series is designed to provide a wide variety of investigations relative to the history of aeronautics and space. These publications are intended to be tightly focused in terms of subject, relatively short in length, and reproduced in an inexpensive format to allow timely and broad dissemination to researchers in aerospace history.

  10. Apollo decommissioning project, Apollo, Pennsylvania. Final technical report

    International Nuclear Information System (INIS)

    1997-01-01

    In November, 1991 Babcock and Wilcox (B and W) received a grant to partially fund the decommissioning of the former Apollo Nuclear Fuel Facility. The decommissioning was performed in accordance with a Nuclear Regulatory Commission (NRC) approved decommissioning plan. This report summarizes the decommissioning of the Apollo Nuclear Fuel Facility and the radiological surveying of the site to demonstrate that these decommissioning activities were effective in reducing residual activity well below NRC's criteria for release for unrestricted use. The Apollo Nuclear Fuel Facility was utilized by the Nuclear Materials and Equipment Corporation (NUMEC) and B and W for nuclear research and production under Atomic Energy Commission and Department of Energy (DOE) contracts during 20 plus years of nuclear fuel manufacturing operations

  11. Digital Apollo: human and machine in spaceflight

    National Research Council Canada - National Science Library

    Mindell, David A

    2008-01-01

    ... had just landed on the moon and begun transmitting images to NASA. Project Gemini was drawing to a close, Apollo hardware was beginning to emerge from factories, and Apollo software was experiencing a crisis. And on that day I was born. I do not remember the first lunar landing of Apollo 11 or the drama of Apollo 13, but I do remember watching the late...

  12. Tracking Apollo to the Moon

    Science.gov (United States)

    Lindsay, Hamish

    This is perhaps the most complete, detailed and readable story of manned space-flight ever published. Beginning with the historical origins of the dream of walking on the Moon, Tracking Apollo to the Moon is the complete story of manned spaceflight, from the earliest Mercury and Gemini flights through to the end of the Apollo era.In readable, fascinating detail, Hamish Lindsay - who was directly involved in all three programs - chronicles mankind's greatest adventure with a great narrative, interviews, quotes and masses of photographs, including some previously unpublished.As well as bringing the history of these missions to life Tracking Apollo to the Moon serves as a detailed reference for space enthusiasts and students. Having seen the manuscript, the Smithsonian requested two copies of the finished book, and Buzz Aldrin asked for five!

  13. Tracking Apollo to the Moon

    CERN Document Server

    Lindsay, Hamish

    2001-01-01

    This is perhaps the most complete, detailed and readable story of manned space-flight ever published Beginning with the historical origins of the dream of walking on the Moon, Tracking Apollo to the Moon is the complete story of manned spaceflight, from the earliest Mercury and Gemini flights through to the end of the Apollo era In readable, fascinating detail, Hamish Lindsay - who was directly involved in all three programs - chronicles mankind's greatest adventure with a great narrative, interviews, quotes and masses of photographs, including some previously unpublished As well as bringing the history of these missions to life Tracking Apollo to the Moon serves as a detailed reference for space enthusiasts and students Having seen the manuscript, the Smithsonian requested two copies of the finished book, and Buzz Aldrin asked for five!

  14. 3D-Laser-Scanning Technique Applied to Bulk Density Measurements of Apollo Lunar Samples

    Science.gov (United States)

    Macke, R. J.; Kent, J. J.; Kiefer, W. S.; Britt, D. T.

    2015-01-01

    In order to better interpret gravimetric data from orbiters such as GRAIL and LRO to understand the subsurface composition and structure of the lunar crust, it is import to have a reliable database of the density and porosity of lunar materials. To this end, we have been surveying these physical properties in both lunar meteorites and Apollo lunar samples. To measure porosity, both grain density and bulk density are required. For bulk density, our group has historically utilized sub-mm bead immersion techniques extensively, though several factors have made this technique problematic for our work with Apollo samples. Samples allocated for measurement are often smaller than optimal for the technique, leading to large error bars. Also, for some samples we were required to use pure alumina beads instead of our usual glass beads. The alumina beads were subject to undesirable static effects, producing unreliable results. Other investigators have tested the use of 3d laser scanners on meteorites for measuring bulk volumes. Early work, though promising, was plagued with difficulties including poor response on dark or reflective surfaces, difficulty reproducing sharp edges, and large processing time for producing shape models. Due to progress in technology, however, laser scanners have improved considerably in recent years. We tested this technique on 27 lunar samples in the Apollo collection using a scanner at NASA Johnson Space Center. We found it to be reliable and more precise than beads, with the added benefit that it involves no direct contact with the sample, enabling the study of particularly friable samples for which bead immersion is not possible

  15. Former Apollo astronauts talk to the media.

    Science.gov (United States)

    1999-01-01

    In the Apollo/Saturn V Center, Lisa Malone (left), chief of KSC's Media Services branch, identifies a reporter to pose a question to one of the former Apollo astronauts seated next to her. From left, they are Neil A. Armstrong and Edwin 'Buzz' Aldrin who flew on Apollo 11, the launch to the moon; Gene Cernan, who flew on Apollo 10 and 17; and Walt Cunningham, who flew on Apollo 7. This is the 30th anniversary of the launch and moon landing, July 16 and July 20, 1969. Neil Armstrong was the first man to set foot on the moon.

  16. How to find the Apollo landing sites

    CERN Document Server

    Chen, James L

    2014-01-01

    This book is for anyone who wants to be able to connect the history of lunar exploration to the Moon visible above. It addresses what Apollo equipment and experiments were left behind and what the Apollo landings sites look like now. Each Apollo mission is examined in detail, with photos that progressively zoom-in to guide the reader in locating the Apollo landing sites. Guided by official NASA photographs from the Lunar Reconnaissance Orbiter and the original Apollo missions, the reader can view the Moon with a new appreciation of the accomplishment of landing astronauts on its surface.  Countless people have gazed at the Moon in the night sky knowing the successes of the Apollo Program in landing men on the Moon. After the information in this guide, casual and serious observers can actually point out where the Apollo landings occurred as well as knowing why those sites were chosen.

  17. Apollo 11: 20th anniversary

    Science.gov (United States)

    1989-07-01

    The Apollo 11 Mission which culminated in the first manned lunar landing on July 20, 1969 is recounted. Historical footage of preparation, takeoff, stage separation, the Eagle Lunar Lander, and the moon walk accompany astronauts Michael Collins, Buzz Aldrin, and Neal Armstrong giving their recollections of the mission are shown.

  18. Predicting User Acceptance of Collaborative Technologies: An Extension of the Technology Acceptance Model for E-Learning

    Science.gov (United States)

    Cheung, Ronnie; Vogel, Doug

    2013-01-01

    Collaborative technologies support group work in project-based environments. In this study, we enhance the technology acceptance model to explain the factors that influence the acceptance of Google Applications for collaborative learning. The enhanced model was empirically evaluated using survey data collected from 136 students enrolled in a…

  19. Towards semantically sensitive text clustering: a feature space modeling technology based on dimension extension.

    Science.gov (United States)

    Liu, Yuanchao; Liu, Ming; Wang, Xin

    2015-01-01

    The objective of text clustering is to divide document collections into clusters based on the similarity between documents. In this paper, an extension-based feature modeling approach towards semantically sensitive text clustering is proposed along with the corresponding feature space construction and similarity computation method. By combining the similarity in traditional feature space and that in extension space, the adverse effects of the complexity and diversity of natural language can be addressed and clustering semantic sensitivity can be improved correspondingly. The generated clusters can be organized using different granularities. The experimental evaluations on well-known clustering algorithms and datasets have verified the effectiveness of our approach.

  20. Towards semantically sensitive text clustering: a feature space modeling technology based on dimension extension.

    Directory of Open Access Journals (Sweden)

    Yuanchao Liu

    Full Text Available The objective of text clustering is to divide document collections into clusters based on the similarity between documents. In this paper, an extension-based feature modeling approach towards semantically sensitive text clustering is proposed along with the corresponding feature space construction and similarity computation method. By combining the similarity in traditional feature space and that in extension space, the adverse effects of the complexity and diversity of natural language can be addressed and clustering semantic sensitivity can be improved correspondingly. The generated clusters can be organized using different granularities. The experimental evaluations on well-known clustering algorithms and datasets have verified the effectiveness of our approach.

  1. Farmers' Participation in Extension Programs and Technology Adoption in Rural Nepal: A Logistic Regression Analysis

    Science.gov (United States)

    Suvedi, Murari; Ghimire, Raju; Kaplowitz, Michael

    2017-01-01

    Purpose: This paper examines the factors affecting farmers' participation in extension programs and adoption of improved seed varieties in the hills of rural Nepal. Methodology/approach: Cross-sectional farm-level data were collected during July and August 2014. A sample of 198 farm households was selected for interviewing by using a multistage,…

  2. An extension of fracture mechanics/technology to larger and smaller cracks/defects.

    Science.gov (United States)

    Abé, Hiroyuki

    2009-01-01

    Fracture mechanics/technology is a key science and technology for the design and integrity assessment of the engineering structures. However, the conventional fracture mechanics has mostly targeted a limited size of cracks/defects, say of from several hundred microns to several tens of centimeters. The author and his group has tried to extend that limited size and establish a new version of fracture technology for very large cracks used in geothermal energy extraction and for very small cracks/defects or damage often appearing in the combination of mechanical and electronic components of engineering structures. Those new versions are reviewed in this paper.

  3. An extension of fracture mechanics/technology to larger and smaller cracks/defects

    Science.gov (United States)

    Abé, Hiroyuki

    2009-01-01

    Fracture mechanics/technology is a key science and technology for the design and integrity assessment of the engineering structures. However, the conventional fracture mechanics has mostly targeted a limited size of cracks/defects, say of from several hundred microns to several tens of centimeters. The author and his group has tried to extend that limited size and establish a new version of fracture technology for very large cracks used in geothermal energy extraction and for very small cracks/defects or damage often appearing in the combination of mechanical and electronic components of engineering structures. Those new versions are reviewed in this paper. PMID:19907123

  4. Apollo A-7L Spacesuit Tests and Certification, and Apollo 7 Through 14 Missions Experience

    Science.gov (United States)

    McBarron, James W., II

    2015-01-01

    As a result of his 50 years of experience and research, Jim McBarron shared his significant knowledge about Apollo A-7L spacesuit certification testing and Apollo 7 through 14 missions' spacesuit details.

  5. Body Building Boons From Apollo

    Science.gov (United States)

    1978-01-01

    The Exer-Genie program utilizes familiar types of exercise, such as isometrics (pushing or pulling against an immovable object) and isotonics (motive exercises such as calisthenics or weight lifting) but with the important added factor of controlled resistance. The device is an arrangement of hand grips and nylon cord wrapped around an aluminum shaft. Controlled friction determines the resistance and the user can set the amount of resistive force to his own physical conditioning needs. Since Apollo days, the Exer-Genie and a similar device called the Apollo Exerciser have found wide acceptance among professional, collegiate and high school athletic teams, and among the growing number of individuals interested in physical fitness. These devices are efficient and economical replacements for conventional conditioning equipment and extremely versatile, allowing more than 100 basic exercises for shaping up specific muscle groups.

  6. Spacecraft Conceptual Design Compared to the Apollo Lunar Lander

    Science.gov (United States)

    Young, C.; Bowie, J.; Rust, R.; Lenius, J.; Anderson, M.; Connolly, J.

    2011-01-01

    Future human exploration of the Moon will require an optimized spacecraft design with each sub-system achieving the required minimum capability and maintaining high reliability. The objective of this study was to trade capability with reliability and minimize mass for the lunar lander spacecraft. The NASA parametric concept for a 3-person vehicle to the lunar surface with a 30% mass margin totaled was considerably heavier than the Apollo 15 Lunar Module "as flown" mass of 16.4 metric tons. The additional mass was attributed to mission requirements and system design choices that were made to meet the realities of modern spaceflight. The parametric tool used to size the current concept, Envision, accounts for primary and secondary mass requirements. For example, adding an astronaut increases the mass requirements for suits, water, food, oxygen, as well as, the increase in volume. The environmental control sub-systems becomes heavier with the increased requirements and more structure was needed to support the additional mass. There was also an increase in propellant usage. For comparison, an "Apollo-like" vehicle was created by removing these additional requirements. Utilizing the Envision parametric mass calculation tool and a quantitative reliability estimation tool designed by Valador Inc., it was determined that with today?s current technology a Lunar Module (LM) with Apollo capability could be built with less mass and similar reliability. The reliability of this new lander was compared to Apollo Lunar Module utilizing the same methodology, adjusting for mission timeline changes as well as component differences. Interestingly, the parametric concept's overall estimated risk for loss of mission (LOM) and loss of crew (LOC) did not significantly improve when compared to Apollo.

  7. APOLLO 17 ASTRONAUTS IN THEIR MOON ROVER DURING ROLLOUT OF APOLLO 17 ROCKET

    Science.gov (United States)

    1972-01-01

    Apollo 17 astronauts (L-R) Lunar Module Pilot Harrison Schmitt, Command Module Pilot Ron Evans, and Commander Gene Cernan pose in their Moon Rover during the rollout of the Apollo 17 rocket. The last of the Apollo/Saturn mission is scheduled for launching Dec. 6, 1972 from Complex 39A.

  8. The use of nano-technology in shelf life extension of green vegetables

    OpenAIRE

    Georgia Ouzounidou; Fragiskos Gaitis

    2011-01-01

    This study is exploring the effects of nano-copper postharvest spraying on parsley, stored at the market temperature of 20°oC for 10 days and at the storage temperature of 5oC for 23 days, aiming at its shelf life extension. Nano-Cu- treated plants showed significantly lower CO 2 production than control at both storage temperatures. Spraying with Nano-Cu, parsley displayed the lowest weight losses at high and low temperature. Parsley leaves revealed high respiration rates with high moisture l...

  9. User Acceptance of YouTube for Procedural Learning: An Extension of the Technology Acceptance Model

    Science.gov (United States)

    Lee, Doo Young; Lehto, Mark R.

    2013-01-01

    The present study was framed using the Technology Acceptance Model (TAM) to identify determinants affecting behavioral intention to use YouTube. Most importantly, this research emphasizes the motives for using YouTube, which is notable given its extrinsic task goal of being used for procedural learning tasks. Our conceptual framework included two…

  10. Digital Detection of Oxide Breakdown and Life-Time Extension in Submicron CMOS Technology

    NARCIS (Netherlands)

    Acar, M.; Annema, Anne J.; Nauta, Bram

    2008-01-01

    An approach is introduced to extend the lifetime of high-voltage analog circuits in CMOS technologies based on redundancy, like that known for DRAMS. A large power transistor is segmented into N smaller ones in parallel. If a sub-transistor is broken, it is removed automatically from the compound

  11. The link between aerospace industry and NASA during the Apollo years

    Science.gov (United States)

    Turcat, Nicolas

    2008-01-01

    " just" creating commercial spin-offs for the civil society, Apollo create one of the first political stake of our modern technology. The power delivered for reaching the goal is one of the best examples given these last 60 years. Space became an economical ambition after being led by a political will. The link created between this two main part of the program (NASA and aerospace industries) is one of the most valuable spin-offs for Apollo.

  12. An extension of the technology acceptance model for business intelligence systems: project management maturity perspective

    Directory of Open Access Journals (Sweden)

    Mirjana Pejić Bach

    2017-01-01

    Full Text Available Business intelligence systems (BISs refer to wide range of technologies and applications useful for retrieving and analyzing the large amount of information with the goal to generate knowledge useful for making effective business decision. In order to investigate adoption of BISs in companies, we propose a model based on the technology acceptance model (TAM that is expanded by variables representing the concept of a project management maturity (PMM. The survey on the sample of USA companies has been conducted with the chief information officer (CIO as the main informant. Structural equations model has been developed in order to test the research model. Results indicate that TAM expanded with the notion of PMM is useful in increasing understanding of BISs adoption in companies.

  13. Extension and Prerequisite: An Algorithm to Enable Relations Between Responses in Chatbot Technology

    OpenAIRE

    Abbas S. Lokman; Jasni M. Zain

    2010-01-01

    Problem statement: Artificial intelligence chatbot is a technology that makes interactions between man and machines using natural language possible. From literature, we found out that in general, chatbot are functions like a typical search engine. Although chatbot just produced only one output instead of multiple outputs/results, the basic process flow is the same where each time an input is entered, the new search will be done. Nothing related to previous output. This research is focused on ...

  14. Improving Technology Adoption in Agriculture through Extension Services: Evidence from Uruguay

    OpenAIRE

    Pedro Cerdan-Infantes; Alessandro Maffioli; Diego Ubfal

    2009-01-01

    This paper analyzes the impact of the Farm Modernization and Development Program (PREDEG) on the technology uptake and productivity of Uruguayan farmers. Using a unique panel dataset, the authors combine propensity score matching techniques and fixed effects models to estimate the program's impact. Although the results vary according to the crops, the authors find consistent evidence that the program increased the rate of adoption of certified varieties and the density of plantation. However,...

  15. Mining and technological possibilities for extension of exploitation period of TPP 'Bitola' (Macedonia)

    International Nuclear Information System (INIS)

    Tasevski, Apostol; Sterio, Veljovski; Kovacevic, Svetozar; Tanatarec, Ljupcho

    1997-01-01

    With the total installed capacity of 3 x 225 MW, the Thermal Power Plant 'Bitola' provides 75-80% of the generated electrical energy in Macedonia. Its exploitation period is directly connected to the coal reserves of the open pit mine 'Suvodol', where 1997 Inclusive, the rest of the coal reserves are 98.100.100 t. According with the Electric Power Co. of Macedonia programme for balanced electric power production, these reserves will be consumed in 2013 - 2014, i.e. even earlier, taking into consideration the increased power of the blocks I, II and III. After this period of time, an electricity shortage might happened, if the ways of defining and solving the strategy for energy development will not be find on time. With the Power Plant's revitalization, there are a real mining/technological possibilities for its exploitation period continuation. Mainly, this is aimed towards the geologic coal reserves in the Suvodol mine, as well as deposit 'Brod -Gneotino'. In this paper the basic mining/technological parameters of the above mentioned potentials, especially 'Brod - Gneotino', are analysed. Thus, the preliminary technic-economical parameters in respect to the exploitation possibilities of the two deposits will be given

  16. Mass production of extensive air showers for the Pierre Auger Collaboration using Grid Technology

    International Nuclear Information System (INIS)

    Bahilo, Julio Lozano

    2012-01-01

    When ultra-high energy cosmic rays enter the atmosphere they interact producing extensive air showers (EAS) which are the objects studied by the Pierre Auger Observatory. The number of particles involved in an EAS at these energies is of the order of billions and the generation of a single simulated EAS requires many hours of computing time with current processors. In addition, the storage space consumed by the output of one simulated EAS is very high. Therefore we have to make use of Grid resources to be able to generate sufficient quantities of showers for our physics studies in reasonable time periods. We have developed a set of highly automated scripts written in common software scripting languages in order to deal with the high number of jobs which we have to submit regularly to the Grid. In spite of the low number of sites supporting our Virtual Organization (VO) we have reached the top spot on CPU consumption among non LHC (Large Hadron Collider) VOs within EGI (European Grid Infrastructure).

  17. Mass production of extensive air showers for the Pierre Auger Collaboration using Grid Technology

    Science.gov (United States)

    Lozano Bahilo, Julio; Pierre Auger Collaboration

    2012-06-01

    When ultra-high energy cosmic rays enter the atmosphere they interact producing extensive air showers (EAS) which are the objects studied by the Pierre Auger Observatory. The number of particles involved in an EAS at these energies is of the order of billions and the generation of a single simulated EAS requires many hours of computing time with current processors. In addition, the storage space consumed by the output of one simulated EAS is very high. Therefore we have to make use of Grid resources to be able to generate sufficient quantities of showers for our physics studies in reasonable time periods. We have developed a set of highly automated scripts written in common software scripting languages in order to deal with the high number of jobs which we have to submit regularly to the Grid. In spite of the low number of sites supporting our Virtual Organization (VO) we have reached the top spot on CPU consumption among non LHC (Large Hadron Collider) VOs within EGI (European Grid Infrastructure).

  18. Possible extensions of XIA's digital spectrometer technology to portable and remote monitoring instrumentation

    International Nuclear Information System (INIS)

    Warburton, W.K.; Darknell, D.A.; Hubbard, B.

    1998-01-01

    The XIA DXP-4C, a 4 channel, CAMAC based X-ray spectrometer, is based on digitally processing directly digitized preamplifier signals. Designed for instrumenting multi-detector arrays for synchrotron radiation applications, the DXP-4C was optimized for very high count rates at a low cost per detector channel. These design constraints coincidentally lead to an instrument which is very compact and relatively low power (3.4 W/channel), considering its count rate and MCA capabilities, and which therefore offers interesting possibilities for effective extension to portable applications. Further, because all functions (gain, filter parameters, pileup inspection criteria and internal calibrations) are digitally controlled, the design can be readily adapted to a large variety of user interfaces, including remote access interfaces. Here we present the basics of the design and examine approaches to lowering the power to less than 300 mW/channel while retaining count rate capabilities in excess of 50,000 cps. We then consider the engineering issues associated with portable and remote spectrometry applications, examining in detail the three cases of a lead paint detector, a remote contamination monitor, and a space mission spectrometer. (author)

  19. Extension of shelf-life of Chickoo slices using hurdle technology

    International Nuclear Information System (INIS)

    Shirodkar, S.; Behere, A.G.; Padwal-Desai, S.R.; Lele, S.S.; Pai, J.S.

    2001-01-01

    An attempt has been made to evolve a protocol to prepare shelf-stable high moisture chickoo slices using Hurdle Technology. The process is based on a slight reduction of water activity (0.98?0.94) by osmosis with a 70 deg Brix sucrose syrup, lowering of pH (5.75 to 4.46) by addition of citric acid, addition of KMS and then subjecting the resulting slices to different doses of gamma radiation ranging from 0.25-1 kGy. Radiation processed chickoo slices remained acceptable for 8 weeks at sub-room temperature (10 ± 2 degC) and for 3 weeks at ambient temperature (28 ± 2 degC) when evaluated by a taste-test panel. (author)

  20. An Extension of Fuzzy SWOT Analysis: An Application to Information Technology

    Directory of Open Access Journals (Sweden)

    Mohammad Taghi Taghavifard

    2018-02-01

    Full Text Available When considering today’s uncertain atmosphere, many people and organizations believe that strategy has lost its meaning and position. When future is predictable, common approaches for strategic planning are applicable; nonetheless, vague circumstances require different methods. Accordingly, a new approach that is compatible with uncertainty and unstable conditions is necessary. Fuzzy logic is a worldview compatible with today complicated requirements. Regarding today’s uncertain and vague atmosphere, there is an absolute requirement to fuzzify the tools and strategic planning models, especially for dynamic and unclear environment. In this research, an extended version of Strengths, Weaknesses, Opportunities and Threats (SWOT fuzzy approach has been presented for strategic planning based on fuzzy logic. It has solved the traditional strategic planning key problems like internal and external factors in imprecision and ambiguous environment. The model has been performed in an information technology corporation to demonstrate the capabilities in real world cases.

  1. Overview of 14 discoveries 1969-2015 from Apollo measured movements of lunar dust

    Science.gov (United States)

    O'Brien, Brian

    2016-04-01

    The only engineering and scientific measurements of adhesive fine lunar dust which caused various severe problems for Apollo astronauts, equipment and deployed observatories were made by Apollo Dust Detector Experiments we invented in 1966. Here we show 14 key discoveries 1969 to 2015 from Apollo 11, 12, 14 and 15. By reading again unique Apollo 11 tapes with 2012 technologies the first complete set of digital measurements shows severe dust contamination caused by Lunar Module ascent and why first NASA and Bellcomm analog reports were incorrect. Apollo 12 and 14 ascents caused unexpected cleansing of collateral dust splashed by astronauts. The 270g matchbox-sized experiment measured lunar weather for about 6 years at 3 sites, showing lightly-shielded solar cells degraded more from dust than from radiation, including the most severe August 1972 SPE. However bare cells degraded more from low-energy radiation. Dust accumulation on horizontal solar cells was of order 1mm thick in 1000 years based on simulated MLS-1 calibrations. Measured only by the Apollo 12 orthogonal solar cells, dust fell off a vertical cell as the sun rose. Sunrise effects caused levitation of dust to 100cm height and associated horizon brightening we link to Horizon Glow. Measured suites of unpredicted forward-scattering of sunlight at very low elevation angles could be important operationally for polar regions. Limitations are discussed towards improving future missions.

  2. [Extension of assisted reproductive technologies with donor sperm (ARTD) to non-medical indications].

    Science.gov (United States)

    Jouannet, Pierre

    2014-01-01

    In France as in other countries, more and more single women and lesbian couples wish to become mothers. To carry through their parenting project they may consult a physician in France and often go abroad in order to get Assisted Reproductive Technologies with donor sperm (ARTD). Should ARTD be available to those women in France? The physician has not to take the decision. In such situations ARTD has no medical indication or contraindication. This assisted procreation raises many questions on children development and well-being. The results of studies made in other countries are often reassuring but their methodologies do not allow any conclusion to be drawn and grey areas persist. Therefore it should be necessary to develop a research effort in the field as it recently started in France. Would ARTD access to women without a male partner be legalized, the law should respect the ethical principles of non-payment and anonymity associated with donation of all body components. In any case, it should also allow an efficient medical care to be performed to ensure under the best conditions the well-being of the children and their mothers.

  3. CESEC III code conversion from Apollo to HP9000

    International Nuclear Information System (INIS)

    Lee, Hae Cho

    1996-01-01

    CESEC code is a computer program used to analyze transient behaviour of reactor coolant systems of nuclear power plants. CESEC III is an extension of original CESEC code in order to apply wide range of accident analysis including ATWS model. Major parameters during the transients are calculated by CESEC. This report firstly describes detailed work carried out for installation of CESEC III on Apollo DN10000 and code validation results after installation. Secondly, A series of work is also described in relation to installation of CESECIII on HP 9000/700 series as well as relevant code validation results. Attached is a report on software verification and validation results. 7 refs. (Author) .new

  4. Research Extension and Education Programs on Bio-based Energy Technologies and Products

    Energy Technology Data Exchange (ETDEWEB)

    Jackson, Sam [University of Tennessee, Knoxville, TN (United States). Tennessee Agricultural Experiment Station; Harper, David [University of Tennessee, Knoxville, TN (United States). Tennessee Agricultural Experiment Station; Womac, Al [University of Tennessee, Knoxville, TN (United States). Tennessee Agricultural Experiment Station

    2010-03-02

    The overall objectives of this project were to provide enhanced educational resources for the general public, educational and development opportunities for University faculty in the Southeast region, and enhance research knowledge concerning biomass preprocessing and deconstruction. All of these efforts combine to create a research and education program that enhances the biomass-based industries of the United States. This work was broken into five primary objective areas: • Task A - Technical research in the area of biomass preprocessing, analysis, and evaluation. • Tasks B&C - Technical research in the areas of Fluidized Beds for the Chemical Modification of Lignocellulosic Biomass and Biomass Deconstruction and Evaluation. • Task D - Analyses for the non-scientific community to provides a comprehensive analysis of the current state of biomass supply, demand, technologies, markets and policies; identify a set of feasible alternative paths for biomass industry development and quantify the impacts associated with alternative path. • Task E - Efforts to build research capacity and develop partnerships through faculty fellowships with DOE national labs The research and education programs conducted through this grant have led to three primary results. They include: • A better knowledge base related to and understanding of biomass deconstruction, through both mechanical size reduction and chemical processing • A better source of information related to biomass, bioenergy, and bioproducts for researchers and general public users through the BioWeb system. • Stronger research ties between land-grant universities and DOE National Labs through the faculty fellowship program. In addition to the scientific knowledge and resources developed, funding through this program produced a minimum of eleven (11) scientific publications and contributed to the research behind at least one patent.

  5. Djeen (Database for Joomla!'s Extensible Engine): a research information management system for flexible multi-technology project administration.

    Science.gov (United States)

    Stahl, Olivier; Duvergey, Hugo; Guille, Arnaud; Blondin, Fanny; Vecchio, Alexandre Del; Finetti, Pascal; Granjeaud, Samuel; Vigy, Oana; Bidaut, Ghislain

    2013-06-06

    With the advance of post-genomic technologies, the need for tools to manage large scale data in biology becomes more pressing. This involves annotating and storing data securely, as well as granting permissions flexibly with several technologies (all array types, flow cytometry, proteomics) for collaborative work and data sharing. This task is not easily achieved with most systems available today. We developed Djeen (Database for Joomla!'s Extensible Engine), a new Research Information Management System (RIMS) for collaborative projects. Djeen is a user-friendly application, designed to streamline data storage and annotation collaboratively. Its database model, kept simple, is compliant with most technologies and allows storing and managing of heterogeneous data with the same system. Advanced permissions are managed through different roles. Templates allow Minimum Information (MI) compliance. Djeen allows managing project associated with heterogeneous data types while enforcing annotation integrity and minimum information. Projects are managed within a hierarchy and user permissions are finely-grained for each project, user and group.Djeen Component source code (version 1.5.1) and installation documentation are available under CeCILL license from http://sourceforge.net/projects/djeen/files and supplementary material.

  6. A comparative assessment of intensive and extensive wastewater treatment technologies for removing emerging contaminants in small communities.

    Science.gov (United States)

    Matamoros, Víctor; Rodríguez, Yolanda; Albaigés, Joan

    2016-01-01

    Ecosystem pollution due to the lack of or inefficient wastewater treatment coverage in small communities is still a matter of great concern, even in developed countries. This study assesses the seasonal performance of 4 different full-scale wastewater technologies that have been used in small communities (treatment systems (an extended aeration system (AS) and a rotating biological contactor (RBC)) and two extensive treatment systems (a constructed wetland (CW) and a waste stabilization pond (WSP)), all located in north-eastern Spain. The studied compounds belonged to the groups of pharmaceuticals, sunscreen compounds, fragrances, antiseptics, flame retardants, surfactants, pesticides and plasticizers. The 25 ECs occurred in wastewater at concentrations ranging from undetectable to 80 μg L(-1). The average removal efficiency was 42% for the CW, 62% for the AS, 63% for the RBC and 82% for the WSP. All the technologies except the WSP system showed seasonal variability in the removal of ECs. The ecotoxicological assessment study revealed that, whilst all the technologies were capable of decreasing the aquatic risk, only the WSP yielded no risk in both seasons. Copyright © 2015 Elsevier Ltd. All rights reserved.

  7. Complex Indigenous Organic Matter Embedded in Apollo 17 Volcanic Black Glass Surface Deposits

    Science.gov (United States)

    Thomas-Keprta, Kathie L.; Clemett, S. J.; Ross, D. K.; Le, L.; Rahman, Z.; Gonzalez, C.; McKay, D. S.; Gibson, E. K.

    2013-01-01

    Papers presented at the first Lunar Science Conference [1] and those published in the subsequent Science Moon Issue [2] reported the C content of Apollo II soils, breccias, and igneous rocks as rang-ing from approx.50 to 250 parts per million (ppm). Later Fegley & Swindle [3] summarized the C content of bulk soils from all the Apollo missions as ranging from 2.5 (Apollo 15) to 280 ppm (Apollo 16) with an overall average of 124+/- 45 ppm. These values are unexpectedly low given that multiple processes should have contributed (and in some cases continue to contribute) to the lunar C inventory. These include exogenous accretion of cometary and asteroidal dust, solar wind implantation, and synthesis of C-bearing species during early lunar volcanism. We estimate the contribution of C from exogenous sources alone is approx.500 ppm, which is approx.4x greater than the reported average. While the assessm ent of indigenous organic matter (OM) in returned lunar samples was one of the primary scientific goals of the Apollo program, extensive analysis of Apollo samples yielded no evidence of any significant indigenous organic species. Furthermore, with such low concentrations of OM reported, the importance of discriminating indigenous OM from terrestrial contamination (e.g., lunar module exhaust, sample processing and handling) became a formidable task. After more than 40 years, with the exception of CH4 [5-7], the presence of indigenous lunar organics still remains a subject of considerable debate. We report for the first time the identification of arguably indigenous OM present within surface deposits of black glass grains collected on the rim of Shorty crater during the Apollo 17 mission by astronauts Eugene Cernan and Harrison Schmitt.

  8. Technological evaluation for the extension of the operation license to the nuclear power plant of Laguna Verde

    International Nuclear Information System (INIS)

    Arganis J, C. R.; Medina A, A. L.

    2010-01-01

    At the present time one of the tendencies in the nuclear industry is the renovation of operation licenses of the nuclear power plants, with the purpose of prolonging their operation 20 years more than the time settled down in their original license, which is of 30 years for the case of the nuclear power plant of Laguna Verde. This allows the electric power generation for a major period of time and to a relatively low price, giving this way a bigger competitiveness to the power stations of nuclear power. However, to request the license extension of the nuclear power plant requires to get ready the documentation and necessary studies for: to maintain a high level of security, to optimize the operation, maintenance and service life of the structures, systems and components, to maintain an acceptable level of performance, to maximize the recovery of the investment about the service of the nuclear power plant and to preserve the sure conditions for a major operation period at the license time. This paper describes the studies conducted by the Materials Technology Department of the Instituto Nacional de Investigaciones Nucleares (ININ) to substantiate the required documentation for obtaining the extension of operating license of the nuclear power plant. These studies are focused mainly in the reactor pressure vessels of both units, as well as in the deposit of noble metals and the influence of the sludges (crud s) in this deposit. (Author)

  9. The New Digital [St]age: Barriers to the Adoption and Adaptation of New Technologies to Deliver Extension Programming and How to Address Them

    Science.gov (United States)

    Seger, Jamie

    2011-01-01

    With the rise of social media and the need for statewide program cohesiveness, The Ohio State University Extension has the opportunity to position itself as a catalyst for technology adoption and adaptation nationwide. Unfortunately, many barriers exist to the successful use and implementation of technology, including an organizational structure…

  10. Determination of maternal pedigree and ewe-lamb spatial relationships by application of Bluetooth technology in extensive farming systems.

    Science.gov (United States)

    Sohi, R; Trompf, J; Marriott, H; Bervan, A; Godoy, B I; Weerasinghe, M; Desai, A; Jois, M

    2017-11-01

    The objectives of this study were to validate the application of Bluetooth technology to determine maternal pedigree and to determine ewe-lamb spatial relationships in extensive farming systems. A total of 35 first-cross Merino ewes (Merino × Border Leicester and East Friesian) and 23 of their lambs aged 1 to 3 wk were fitted with activity monitors equipped with Bluetooth (BT) technology (ActiGraph wGT3X-BT) by means of halters and collars, respectively. The BT devices on lambs were programmed to receive wireless signals once every minute from nearby BT units on ewes, which were programmed as beacons sending BT signals 4 times every second. Ewes and lambs fitted with sensors were dispatched into the paddocks, and after 10 d, the sensor units were retrieved and the BT signals received by lambs were downloaded using the ActiGraph software. The maternal pedigree of the lambs was determined as the ewe from which the lamb received the most BT signals. The distance between the lamb receiving the signal and the ewe sending the signal was estimated from the strength of BT signal received. The pedigree determined by BT was compared with the pedigree determined by DNA profiling and verification. The results showed that the accuracy of maternal pedigree determined by BT signals reached 100% within the first 15 min of returning animals to pasture of ewes and lambs fitted with sensors. Maternal signals (counts/d) received by 1-, 2-, and 3-wk-old lambs were 617 ± 102, 603 ± 54, and 498 ± 36, respectively, and the corresponding nonmaternal signals received were 140 ± 27, 106 ± 30, and 155 ± 39, respectively. Maternal signals received during the dark period were significantly higher than the maternal signals received during the light period ( < 0.05). Maternal signals received during the light period by 3-wk-old lambs were significantly lower when compared with those received by 1- and 2-wk-old lambs. Over 90% of the BT signals received from within 2 m of the lamb were from

  11. Pristine moon rocks - Apollo 17 anorthosites

    Science.gov (United States)

    Warren, P. H.; Jerde, E. A.; Kallemeyn, G. W.

    1991-01-01

    New chemical analyses and petrographic descriptions for 10 previously unanalyzed Apollo 17 rock samples are provided. Attention is focused on several that appear to be pristine. All samples were analyzed in INAA using a procedure based on that of Kallemeyn et al. (1989). One sample was found to be unambiguously pristine, and is the first pristine ferroan-anorthositic suite (FAS) sample from Apollo 17. It exhibits extremely low-mg(asterisk) mafic silicates, coupled with relatively sodic plagioclase. It has an unusually high augite/low-Ca pyroxene ratio and contains incompatible trace elements at levels unprecedentedly high compared to FAS anorthosites from the Apollo 14, 15, 16 sites. It is inferred that 74114.5, and Apollo 17 anorthosites in general, formed at a relatively late stage in the evolution of the primordial magmasphere.

  12. Modified Apollo cryogenic oxygen tank design

    Science.gov (United States)

    Vanleuven, K.

    1971-01-01

    Assessment of the Apollo 13 mission indicated that some design changes to be incorporated into Apollo cryogenic oxygen storage tanks. These changes broadly fit into three categories. They were: (1) deletion of the fluid equilibration motors and redesign of heater assembly, (2) material changes for internal tank wiring and density sensor, and (3) the addition of a heater assembly temperature sensor. Development of a cryogenic oxygen tank incorporating these changes is presented.

  13. Gene Cernan speaks at Apollo 11 anniversary banquet.

    Science.gov (United States)

    1999-01-01

    During an anniversary banquet honoring the Apollo program team, the people who made the entire lunar landing program possible, former Apollo astronaut Gene Cernan relates a humorous comment while Wally Schirra (background) gestures behind him. Cernan, who flew on Apollo 10 and 17, was the last man to walk on the moon; Schirra flew on Apollo 7. The banquet was held in the Apollo/Saturn V Center, part of the KSC Visitor Complex. This is the 30th anniversary of the Apollo 11 launch and moon landing, July 16 and July 20, 1969. Other guests at the banquet were former Apollo astronauts are Neil A. Armstrong and Edwin 'Buzz' Aldrin who flew on Apollo 11, the launch of the first moon landing, and Walt Cunningham, who also flew on Apollo 7.

  14. Kennedy Space Center: Apollo to Multi-User Spaceport

    Science.gov (United States)

    Weber, Philip J.; Kanner, Howard S.

    2017-01-01

    future efforts of the transformation of the KSC Apollo and Space Shuttle heritage infrastructure into a more versatile, multi-user spaceport. The paper will also discuss the US Congressional and NASA initiatives for developing and supporting multiple commercial partners, while simultaneously supporting NASAs human exploration initiative, consisting of Space Launch System (SLS), Orion spacecraft and associated ground launch systems. In addition, the paper explains the approach with examples for NASA KSC to leverage new technologies and innovative capabilities developed to reduce the cost to individual users.

  15. Vertical view Apollo 16 Descartes landing sites as photographed by Apollo 14

    Science.gov (United States)

    1972-01-01

    An almost vertical view of the Apollo 16 Descartes landing sites as photographed from the Apollo 14 spacecraft. Overlays are provided to point out extravehicular activity (EVA), Lunar Roving Vehicle (LRV) travers routes and the nicknames of features. The Roman numerals indicate the EVA numbers and the Arabic numbers point out stations or traverse stops.

  16. Cryogenic ion implantation near amorphization threshold dose for halo/extension junction improvement in sub-30 nm device technologies

    International Nuclear Information System (INIS)

    Park, Hugh; Todorov, Stan; Colombeau, Benjamin; Rodier, Dennis; Kouzminov, Dimitry; Zou Wei; Guo Baonian; Khasgiwale, Niranjan; Decker-Lucke, Kurt

    2012-01-01

    We report on junction advantages of cryogenic ion implantation with medium current implanters. We propose a methodical approach on maximizing cryogenic effects on junction characteristics near the amorphization threshold doses that are typically used for halo implants for sub-30 nm technologies. BF 2 + implant at a dose of 8×10 13 cm −2 does not amorphize silicon at room temperature. When implanted at −100°C, it forms a 30 - 35 nm thick amorphous layer. The cryogenic BF 2 + implant significantly reduces the depth of the boron distribution, both as-implanted and after anneals, which improves short channel rolloff characteristics. It also creates a shallower n + -p junction by steepening profiles of arsenic that is subsequently implanted in the surface region. We demonstrate effects of implant sequences, germanium preamorphization, indium and carbon co-implants for extension/halo process integration. When applied to sequences such as Ge+As+C+In+BF 2 + , the cryogenic implants at −100°C enable removal of Ge preamorphization, and form more active n + -p junctions and steeper B and In halo profiles than sequences at room temperature.

  17. The Importance of Apollo to Solar-System Science and Future Human Exploration

    Science.gov (United States)

    Neal, C. R.; Shearer, C. K.

    2012-12-01

    should not be constructed where such an epicenter could be located. In addition, there are lunar samples that have remained unopened since there were collected, which could inform us about the volatile content and potential toxicity of the lunar regolith, as well as the technologies needed to collect, preserve and return volatile-rich samples from many planetary environments. With regard to science, Apollo allowed an absolute chronology to be developed for the impact history of the inner Solar-System. This was achieved by the return of impact melts, but their recognition within the collection initially proved difficult and detection requires destruction of a large amount of precious sample. A new, non-destructive method for identifying impact melts is presented that demonstrates Apollo samples are "the gift that keeps on giving". This involves quantitative petrography through the determination of plagioclase crystal size distributions and the relationship between the slopes and population density intercepts. Data from a study of mare basalt and impact melt crystal size distributions over several years shows lunar impact melts are distinct from mare basalts. Such a non-destructive identification of impact melt is critical for a future sample return from South Pole-Aitken Basin where impact melt is required to date the impact basin and test the late heavy bombardment hypothesis.

  18. Apollo2Go: a web service adapter for the Apollo genome viewer to enable distributed genome annotation

    Directory of Open Access Journals (Sweden)

    Mayer Klaus FX

    2007-08-01

    Full Text Available Abstract Background Apollo, a genome annotation viewer and editor, has become a widely used genome annotation and visualization tool for distributed genome annotation projects. When using Apollo for annotation, database updates are carried out by uploading intermediate annotation files into the respective database. This non-direct database upload is laborious and evokes problems of data synchronicity. Results To overcome these limitations we extended the Apollo data adapter with a generic, configurable web service client that is able to retrieve annotation data in a GAME-XML-formatted string and pass it on to Apollo's internal input routine. Conclusion This Apollo web service adapter, Apollo2Go, simplifies the data exchange in distributed projects and aims to render the annotation process more comfortable. The Apollo2Go software is freely available from ftp://ftpmips.gsf.de/plants/apollo_webservice.

  19. APOLLO 17 SITTING ON PAD 39A

    Science.gov (United States)

    1972-01-01

    A total of 72 twenty kilowatt Xenon searchlights and two sixty kilowatt Xenon searchlight banks producing approximately 225 foot candles of light will be used for the night launching of Apollo 17 from Launch Complex 39A. The launch scheduled for 9:53 p.m. EST Dec 6, 1972 will be a spectacular sight and a once-in-a- lifetime opportunity for spectators and cameramen. The final Lunar landing mission in the Apollo Program is the first mission to require a nighttime launch of the giant Saturn V launch vehicle. Apollo 17 will be manned by Eugene A. Cernan, Commander; Ronald E. Evans, Command Module Pilot; and Harrison H. Schmitt, Lunar Module pilot.

  20. Apollo 12 - On the Ocean of Storms

    CERN Document Server

    Harland, David

    2011-01-01

    With its two moonwalks, deployment of a geophysical station and geological sampling, Apollo 12 did what many had hoped would be achieved by the first men to land on the Moon. It spectacularly demonstrated the precision landing capability required for the success of future lunar surface explorations. Apollo 12 - On the Ocean of Storms contains over 30 page of color images, including high-resolution scans recently produced by NASA from the original Hasselblad film; covers the mission from its planning through to completion; includes conversations among the crew in the spacecraft that were not transmitted; in the definitive 'popular' account of this mission. This is the first time in 40 years that the story of the Apollo 12 mission to the Moon has bene told in its entirety, using official documents, flight transcripts, and post-mission debriefing to recreate the drama.

  1. In-Situ XRF Measurements in Lunar Surface Exploration Using Apollo Samples as a Standard

    Science.gov (United States)

    Young, Kelsey E.; Evans, C.; Allen, C.; Mosie, A.; Hodges, K. V.

    2011-01-01

    Samples collected during the Apollo lunar surface missions were sampled and returned to Earth by astronauts with varying degrees of geological experience. The technology used in these EVAs, or extravehicular activities, included nothing more advanced than traditional terrestrial field instruments: rock hammer, scoop, claw tool, and sample bags. 40 years after Apollo, technology is being developed that will allow for a high-resolution geochemical map to be created in the field real-time. Handheld x-ray fluorescence (XRF) technology is one such technology. We use handheld XRF to enable a broad in-situ characterization of a geologic site of interest based on fairly rapid techniques that can be implemented by either an astronaut or a robotic explorer. The handheld XRF instrument we used for this study was the Innov-X Systems Delta XRF spectrometer.

  2. Gene Cernan talks at Apollo 11 anniversary banquet.

    Science.gov (United States)

    1999-01-01

    Former Apollo astronaut Gene Cernan makes a point during a presentation at the Apollo 11 anniversary banquet honoring the Apollo team, the people who made the entire lunar landing program possible. The banquet was held in the Apollo/Saturn V Center, part of the KSC Visitor Complex. This is the 30th anniversary of the Apollo 11 launch and moon landing, July 16 and July 20, 1969. Cernan appeared with other former astronauts Neil Armstrong, the first man to walk on the moon; Edwin 'Buzz' Aldrin; Walt Cunningham; and others.

  3. Lunar cartography with the Apollo 17 ALSE radar imagery

    Science.gov (United States)

    Tiernan, M.; Roth, L.; Thompson, T. W.; Elachi, C.; Brown, W. E., Jr.

    1976-01-01

    Lunar position differences between thirteen craters in Mare Serenitatis were computed from VHF radar-imagery obtained by the Lunar Sounder instrument flown on the Apollo 17 command module. The radar-derived position differences agree with those obtained by conventional photogrammetric reductions of Apollo metric photography. This demonstrates the feasibility of using the Apollo Lunar Sounder data to determine the positions of lunar features along the Apollo 17 orbital tracks. This will be particularly useful for western limb and farside areas, where no Apollo metric camera pictures are available.

  4. Former Apollo astronaut Al Worden speaks at anniversary banquet.

    Science.gov (United States)

    1999-01-01

    Former Apollo 15 astronaut Alfred M. Worden relates his experiences in the Apollo Program during a banquet honoring the people who made it all possible. Held on the anniversary of the Apollo 11 mission, which was launched July 16, 1969, and landed on the moon July 20, 1969, the banquet was held in the Apollo/Saturn V Center. Worden served as command module pilot on the Apollo 15 mission. Other guests at the banquet were astronauts Neil Armstrong, Wally Schirra, Edwin 'Buzz' Aldrin and Walt Cunningham. Armstrong was the first man to walk on the moon; Gene Cernan was the last.

  5. The Moon: What Have the Apollo Missions Taught Us? Part II: The View from Apollo.

    Science.gov (United States)

    McKeever, S. W. S.

    1980-01-01

    Summarizes scientific findings resulting from the Apollo missions, including lunar rocks and soil, age determination, and the moon's interior, evolution, and origin. Indicates experiments for future lunar research. (SK)

  6. Apollo 8, Man Around the Moon.

    Science.gov (United States)

    National Aeronautics and Space Administration, Washington, DC.

    This pamphlet presents a series of photographs depicting the story of the Apollo 8 mission around the moon and includes a brief description as well as quotes from the astronauts. The photographs show scenes of the astronauts training, the Saturn V rocket, pre-flight preparation, blast off, the earth from space, the lunar surface, the earth-based…

  7. Apollo-12 gift to the Agency

    International Nuclear Information System (INIS)

    1970-01-01

    On March 2 the Agency was host to the three Apollo-12 astronauts who placed the first atomic power generator on the moon. Accompanied by their wives, they were given a warm welcome and received mementos prepared by the Agency. In return they presented the Director General with a model of the SNAP-27 generator. (author)

  8. APOLLO 11 COMMANDER NEIL ARMSTRONG IN SIMULATOR

    Science.gov (United States)

    1969-01-01

    Apollo 11 commander Neil Armstrong is going through flight training in the lunar module simulator situated in the flight crew training building at KSC. Armstrong will pilot the lunar module to a moon landing on July 20, following launch from KSC on July 16.

  9. Paving the Way for Apollo 11

    CERN Document Server

    Harland, David M

    2009-01-01

    In 'Paving the Way for Apollo 11' David Harland explains the lure of the Moon to classical philosophers, astronomers, and geologists, and how NASA set out to investigate the Moon in preparation for a manned lunar landing mission. It focuses particularly on the Lunar Orbiter and Surveyor missions.

  10. Remembering the Giants: Apollo Rocket Propulsion Development

    Science.gov (United States)

    Fisher, Steven C. (Editor); Rahman, Shamim A. (Editor)

    2009-01-01

    Topics discussed include: Rocketdyne - F-1 Saturn V First Stage Engine; Rocketdyne - J-2 Saturn V 2nd & 3rd Stage Engine; Rocketdyne - SE-7 & SE-8 Engines; Aerojet - AJ10-137 Apollo Service Module Engine; Aerojet - Attitude Control Engines; TRW - Lunar Descent Engine; and Rocketdyne - Lunar Ascent Engine.

  11. African Regional Cooperative Agreement for Research, Development and Training Related to Nuclear Science and Technology. Fourth Extension of Agreement

    International Nuclear Information System (INIS)

    2010-01-01

    Pursuant to Article XIV.2, the Agreement 'shall continue in force for a period of five years from the date of its entry into force and may be extended for further periods of five years if the Government Parties so agree'. The fourth extension of the Agreement entered into force on 4 April 2010, upon expiration of the third extension of the Agreement and will remain in force for an additional period of five years, i.e. through 3 April 2015. As of 30 April 2010, 8 States have notified the Agency of their acceptance of the extension of the Agreement. The status list of the Agreement is reproduced in this document for the information of all Members [es

  12. Photogrammetry of Apollo 15 photography, part C

    Science.gov (United States)

    Wu, S. S. C.; Schafer, F. J.; Jordan, R.; Nakata, G. M.; Derick, J. L.

    1972-01-01

    In the Apollo 15 mission, a mapping camera system and a 61 cm optical bar, high resolution panoramic camera, as well as a laser altimeter were used. The panoramic camera is described, having several distortion sources, such as cylindrical shape of the negative film surface, the scanning action of the lens, the image motion compensator, and the spacecraft motion. Film products were processed on a specifically designed analytical plotter.

  13. Technological evaluation for the extension of the operation license to the nuclear power plant of Laguna Verde; Evaluacion tecnologica para la extension de la licencia de operacion de la Central Nucleoelectrica Laguna Verde

    Energy Technology Data Exchange (ETDEWEB)

    Arganis J, C. R.; Medina A, A. L., E-mail: carlos.arganis@inin.gob.m [ININ, Departamento de Tecnologia de Materiales, Carretera Mexico-Toluca s/n, 52750 Ocoyoacac, Estado de Mexico (Mexico)

    2010-07-01

    At the present time one of the tendencies in the nuclear industry is the renovation of operation licenses of the nuclear power plants, with the purpose of prolonging their operation 20 years more than the time settled down in their original license, which is of 30 years for the case of the nuclear power plant of Laguna Verde. This allows the electric power generation for a major period of time and to a relatively low price, giving this way a bigger competitiveness to the power stations of nuclear power. However, to request the license extension of the nuclear power plant requires to get ready the documentation and necessary studies for: to maintain a high level of security, to optimize the operation, maintenance and service life of the structures, systems and components, to maintain an acceptable level of performance, to maximize the recovery of the investment about the service of the nuclear power plant and to preserve the sure conditions for a major operation period at the license time. This paper describes the studies conducted by the Materials Technology Department of the Instituto Nacional de Investigaciones Nucleares (ININ) to substantiate the required documentation for obtaining the extension of operating license of the nuclear power plant. These studies are focused mainly in the reactor pressure vessels of both units, as well as in the deposit of noble metals and the influence of the sludges (crud s) in this deposit. (Author)

  14. Neil Armstrong chats with attendees at Apollo 11 anniversary banquet.

    Science.gov (United States)

    1999-01-01

    Former Apollo 11 astronaut Neil A. Armstrong is the center of attention at the anniversary banquet honoring the Apollo team, the people who made the entire lunar landing program possible. The banquet was held in the Apollo/Saturn V Center, part of the KSC Visitor Complex. This is the 30th anniversary of the Apollo 11 launch and moon landing, July 16 and July 20, 1969. Neil Armstrong was the first man to set foot on the moon. He appeared at the banquet with other former astronauts Edwin 'Buzz' Aldrin, Gene Cernan, Walt Cunningham and others.

  15. LUNAR TERRAIN AND ALBEDO RECONSTRUCTION FROM APOLLO IMAGERY

    Data.gov (United States)

    National Aeronautics and Space Administration — LUNAR TERRAIN AND ALBEDO RECONSTRUCTION FROM APOLLO IMAGERY ARA V NEFIAN*, TAEMIN KIM, MICHAEL BROXTON, AND ZACH MORATTO Abstract. Generating accurate three...

  16. Shelf life extension of litchi (Litchi chinensis) and overcoming quarantine barriers to international trade using radiation technology

    International Nuclear Information System (INIS)

    Gautam, Satyendra; Saxena, Sudhanshu; Kumar, Sanjeev; Hajare, Sachin N.; Wadhawan, Surbhi; Mishra, B.B.; More, Varsha S.; Sharma, Arun

    2010-01-01

    Litchi (Litchi chinensis) has a very short shelf life of 2-3 days at ambient temperature limiting its marketability. Gamma radiation processing in combination with low temperature storage was explored as a method to achieve shelf life extension and fulfill quarantine requirement for export during storage physics, biochemical, microbiological, organoleptic, antioxidant and radioprotective properties of two major commercially grown Indian cultivars of litchi, 'Shahi' and 'China', were analysed. Radiation treatment reduced microbial load in a dose dependent manner. Radiation (0.5kGy) treated and low temperature stored fruits retained the 'good' organoleptic rating till 28 days of storage while maintaining other quality attributes. (author)

  17. Supporting technology for enhanced oil recovery: Sixth amendment and extension to Annex IV enhanced oil recovery thermal processes

    Energy Technology Data Exchange (ETDEWEB)

    Reid, T.B. (USDOE Bartlesville Project Office, OK (United States)); Rivas, O. (INTEVEP, Filial de Petroleos de Venezuela, SA, Caracas (Venezuela))

    1991-10-01

    This report contains the results of efforts under the six tasks of the Sixth Amendment and Extension of Annex 4, Enhanced Oil Recovery Thermal Processes of the Venezuela/USA Agreement. The report is presented in sections (for each of the 6 tasks) and each section contains one or more reports prepared by various individuals or groups describing the results of efforts under each of the tasks. A statement of each task, taken from the agreement, is presented on the first page of each section. The tasks are numbered 44 through 49. Tasks are: DOE-SUPRI-laboratory research on steam foam, CAT-SCAN, and in-situ combustion; INTEVEP-laboratory research and field projects on steam foam; DOE-NIPER-laboratory research and field projects light oil steam flooding; INTEVEP-laboratory research and field studies on wellbore heat losses; DOE-LLNL-laboratory research and field projects on electromagnetic induction tomography; INTEVEP-laoboratory research on mechanistic studies.

  18. Extension of Studies with 3M Empore TM and Selentec MAG *SEP SM Technologies for Improved Radionuclide Field Sampling

    Energy Technology Data Exchange (ETDEWEB)

    Beals, D.M. [Westinghouse Savannah River Company, AIKEN, SC (United States); Bibler, J.P.; Brooks, D.A.

    1996-07-10

    The Savannah River Technology Center is evaluating new field sampling methodologies to more easily determine concentrations of radionuclides in aqueous systems. One methodology studied makes use of 3M EmporeTM disks. The disks are composed of selective resins embedded in a Teflon support. The disks remove the ion of interest from aqueous solutions when the solution is passed through the disk. The disk can then be counted directly to quantify the isotope of interest. Four types of disks were studied during this work: for the extraction of technetium (two types), cesium, plutonium, and strontium. A sampler has been developed for automated, unattended, in situ use of the EmporeTM disks.

  19. Extension of Studies with 3M Empore TM and Selentec MAG *SEP SM Technologies for Improved Radionuclide Field Sampling

    International Nuclear Information System (INIS)

    Beals, D.M.; Bibler, J.P.; Brooks, D.A.

    1996-01-01

    The Savannah River Technology Center is evaluating new field sampling methodologies to more easily determine concentrations of radionuclides in aqueous systems. One methodology studied makes use of 3M EmporeTM disks. The disks are composed of selective resins embedded in a Teflon support. The disks remove the ion of interest from aqueous solutions when the solution is passed through the disk. The disk can then be counted directly to quantify the isotope of interest. Four types of disks were studied during this work: for the extraction of technetium (two types), cesium, plutonium, and strontium. A sampler has been developed for automated, unattended, in situ use of the EmporeTM disks

  20. 33 CFR 110.74b - Apollo Beach, Fla.

    Science.gov (United States)

    2010-07-01

    ... 33 Navigation and Navigable Waters 1 2010-07-01 2010-07-01 false Apollo Beach, Fla. 110.74b Section 110.74b Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY ANCHORAGES ANCHORAGE REGULATIONS Special Anchorage Areas § 110.74b Apollo Beach, Fla. Beginning at a point...

  1. President Nixon and Apollo 13 crewmen at Hickam AFB

    Science.gov (United States)

    1970-01-01

    Astronaut James A. Lovell Jr., A U.S. Navy captain and Apollo 13 mission commander, salutes the U.S. flag during ceremonies with President Richard M. Nixon at Hickam Air Force Base, Hawaii. The Apollo 13 crewmen, Astronauts Lovell, John L. Swigert Jr. (right) and Fred W. Haise Jr. were presented the Presidential Medal of Freedom by the Chief Executive.

  2. View of plaque Apollo 11 astronauts left on moon

    Science.gov (United States)

    1969-01-01

    Closeup view of the plaque which the Apollo 11 astronauts left on the moon in commemoration of the historic lunar landing mission. The plaque was attached to the ladder on the landing gear strut on the descent stage of the Apollo 11 Lunar Module. The plaque was covered with a thin sheet of stainless steel during flight.

  3. Medical microbiological analysis of Apollo-Soyuz test project crewmembers

    Science.gov (United States)

    Taylor, G. R.; Zaloguev, S. N.

    1976-01-01

    The procedures and results of the Microbial Exchange Experiment (AR-002) of the Apollo-Soyuz Test Project are described. Included in the discussion of procedural aspects are methods and materials, in-flight microbial specimen collection, and preliminary analysis of microbial specimens. Medically important microorganisms recovered from both Apollo and Soyuz crewmen are evaluated.

  4. Integration of Apollo Lunar Sample Data into Google Moon

    Science.gov (United States)

    Dawson, Melissa D.; Todd, Nancy S.; Lofgren, Gary

    2010-01-01

    The Google Moon Apollo Lunar Sample Data Integration project is a continuation of the Apollo 15 Google Moon Add-On project, which provides a scientific and educational tool for the study of the Moon and its geologic features. The main goal of this project is to provide a user-friendly interface for an interactive and educational outreach and learning tool for the Apollo missions. Specifically, this project?s focus is the dissemination of information about the lunar samples collected during the Apollo missions by providing any additional information needed to enhance the Apollo mission data on Google Moon. Apollo missions 15 and 16 were chosen to be completed first due to the availability of digitized lunar sample photographs and the amount of media associated with these missions. The user will be able to learn about the lunar samples collected in these Apollo missions, as well as see videos, pictures, and 360 degree panoramas of the lunar surface depicting the lunar samples in their natural state, following collection and during processing at NASA. Once completed, these interactive data layers will be submitted for inclusion into the Apollo 15 and 16 missions on Google Moon.

  5. Apollo 16 Lunar Module 'Orion' at the Descartes landing site

    Science.gov (United States)

    1972-01-01

    The Apollo 16 Lunar Module 'Orion' is part of the lunar scene at the Descartes landing site, as seen in the reproduction taken from a color television transmission made by the color TV camera mounted on the Lunar Roving Vehicle. Note the U.S. flag deployed on the left. This picture was made during the second Apollo 16 extravehicular activity (EVA-2).

  6. Official emblem of the Apollo Soyuz Test Project

    Science.gov (United States)

    1974-01-01

    This is the Official emblem of the Apollo Soyuz Test Project (ASTP) chosen by NASA and the Soviet Academy of Sciences. Of circular design, the emblem has the words Apollo in English and Soyuz in Russian around a center disc which depicts the two spacecraft docked together in Earth orbit. The Russian word 'soyuz' means 'union' in English.

  7. Regional chemical setting of the Apollo 16 landing site and the importance of the Kant Plateau

    Science.gov (United States)

    Andre, C. G.; El-Baz, F.

    1982-01-01

    Orbital X-ray data from the Apollo 16 region indicate that physiographic units identified before the lunar mission can be classified as chemical units as well. The Descartes Mountains, however, appear to be an extension of the Kant Plateau composition that is unusually anorthositic and resembles farside terra. The Cayley Plains have closer affinities to basaltic materials than terra materials, physically, spectrally and chemically. The Theophilus impact, 330 km east of the landing site, excavated magnesium-rich basalts from below less-magnesian flows in Mare Nectaris; but, mafic ejecta was substantially blocked from the Apollo 16 site by the Kant Plateau that rises 5 km above the level of the mare. Apollo 16 soil samples from stations selected to collect either Descartes Mountains material or Cayley Plains material were surprisingly similar. However, they do, indeed, show the chemical trends indicative of the two units as defined by the orbiting geochemistry detectors. The Kant Plateau and Descartes Mountains material may be among the rare nearside examples of a plagioclase-rich cumulate of the primordial magma ocean.

  8. Corrosion and preservation of the Apollo spacesuits

    DEFF Research Database (Denmark)

    Shashoua, Yvonne; Schnell, Ulrich

    2005-01-01

    This project involved the first detailed examination of the condition of the Apollo spacesuits since their acquisition by the National Air and Space Museum, Washington DC, USA in the 1970s. Plasticized polyvinyl chloride (PVC) tubing used to transport air and water to the astronaut in the Life...... electron microscopy suggested that discolouration was a result of dehydrochlorination of the PVC polymer, tackiness was caused by migration of the di (2-ethylhexyl) phthalate (DEHP) plasticizer to surfaces and the formation of phthalic acid crystals at surfaces was a result of hydrolysis of the ester...

  9. Recovery of Missing Apollo Lunar ALSEP Data

    Science.gov (United States)

    Taylor, P. T.; Nagihara, S.; Nakamura, Y.; Williams, D. R.; Kiefer, W. S.

    2016-12-01

    Apollo astronauts on missions 12, 14, 15, 16, and 17 installed instruments on the lunar surface, the Apollo Lunar Surface Experiment Package (ALSEP). The last astronauts departed from the Moon in December 1972; however ALSEP instruments continued to send data until 1977. These long-term in-situ data, along with data from orbital satellites launched from the Command Module, are some of the best information on the Moon's environment, surface and interior. Much of these data were archived at the now NASA Space Science Data Coordinated Archive (NSSDCA) in the 70's and 80's, but some were never submitted. This is particularly true of the ALSEP data returned autonomously after the last Apollo astronauts departed. The data that were archived were generally on microfilm, microfiche, or magnetic tape in now obsolete formats, making them difficult to use. Some of the documentation and metadata are insufficient for current use. The Lunar Data Node at Goddard Space Flight Center, under the auspices of the Planetary Data System (PDS) Geosciences Node, is attempting to collect and restore the original data that were never archived, in addition to much of the archived data that were on media and in formats that are outmoded. 440 original data archival tapes for the ALSEP experiments were found at the Washington National Records Center. We have recently completed extraction of binary files from these tapes filling a number of gaps in the current ALSEP data collection at NSSDCA. Some of these experiments include: Solar Wind Spectrometer (Apollo12, 15); Cold Cathode Ion Gage (14, 15); Heat Flow (15, 17); Dust Detector (11, 12, 14, 15); Lunar Ejecta and Meteorites (17); Lunar Atmosphere composition Experiment (17); Suprathermal Ion Detector (12, 14, 15); Lunar Surface Magnetometer (12,15, 16). The purpose of the Lunar Data Project is to take data collections already archived at the NSSDCA and prepare them for archive through PDS, and to locate lunar data that were never archived into

  10. An Apollo compatible cloud physics experiment.

    Science.gov (United States)

    Eaton, L. R.; Hollinden, A. B.; Satterblom, P. R.

    1973-01-01

    Consideration of the utilization of a low-gravity environment to obtain experimental information, in the area of cloud microphysics, which cannot be obtained in ground laboratories. The experiment discussed is designed to obtain quantitative answers about evaporation and breakup of salt particles from ocean spray and other sources. In addition to salt nuclei distribution mechanisms, this breakup has ecological importance in relation to the spreading of salt mists from salted highways and spreading of brine cooling tower spray from electrical power generation plants. This experiment is being submitted for consideration on the Apollo-Soyuz Test Program in 1975.

  11. Perceptions of a Specific Family Communication Application among Grandparents and Grandchildren: An Extension of the Technology Acceptance Model.

    Science.gov (United States)

    Tsai, Tsai-Hsuan; Chang, Hsien-Tsung; Ho, Yi-Lun

    2016-01-01

    Many studies have noted that the use of social networks sites (SNSs) can enhance social interaction among the elderly and that the motivation for the elderly to use SNSs is to keep in contact with remote friends and family or the younger generation. Memotree is designed to promote intergenerational family communication. The system incorporates the Family Tree design concept and provides family communication mechanisms based on the Family Communication Scale. In addition, the system optimizes hardware and interface use to conform to the specific needs of older and substantially younger individuals. Regarding the impact of variables on SNS with respect to the interaction of usability variables in the construction of a cross-generational communication platform, we adopted the TAM model and Chung et al.'s suggestions to promote user acceptance of the proposed Memotree system. A total of 39 grandchildren and 39 grandparents met the criteria and were included in the study. The elderly and young respondents revealed substantial willingness to use and/or satisfaction with using the Memotree system. Empirical results indicate that technology affordances and perceived ease of use have a positive impact on perceived usefulness, while perceived ease of use is affected by technology affordances. Internet self-efficacy and perceived usefulness have a positive impact on the user's behavioral intention toward the system. In addition, this study investigated age as a moderating variable in the model. The results indicate that grandchildren have a larger significant effect on the path between perceived usefulness and behavioral intention than grandparents. This study proposes a more complete framework for investigating the user's behavioral intention and provides a more appropriate explanation of related services for cross-generational interaction with SNS services.

  12. The Text of the Fifth Agreement to Extend the 1987 Regional Cooperative Agreement for Research, Development and Training Related to Nuclear Science and Technology (RCA). Extension of Agreement. Latest Status

    International Nuclear Information System (INIS)

    2012-01-01

    The Text of the Fifth Agreement to Extend the 1987 Regional Cooperative Agreement for Research, Development and Training Related to Nuclear Science and Technology (RCA). Extension of Agreement. Latest Status [es

  13. Lunar Surface Reconstruction from Apollo MC Images

    Science.gov (United States)

    Elaksher, Ahmed F.; Al-Jarrah, Ahmad; Walker, Kyle

    2015-07-01

    The last three Apollo lunar missions (15, 16, and 17) carried an integrated photogrammetric mapping system of a metric camera (MC), a high-resolution panoramic camera, a star camera, and a laser altimeter. Recently images taken by the MC were scanned by Arizona State University (ASU); these images contain valuable information for scientific exploration, engineering analysis, and visualization of the Moon's surface. In this article, we took advantage of the large overlaps, the multi viewing, and the high ground resolution of the images taken by the Apollo MC in generating an accurate and reliable surface of the Moon. We started by computing the relative positions and orientations of the exposure stations through a rigorous photogrammetric bundle adjustment process. We then generated a surface model using a hierarchical correlation-based matching algorithm. The matching algorithm was implemented in a multi-photo scheme and permits the exclusion of obscured pixels. The generated surface model was registered with LOLA topographic data and the comparison between the two surfaces yielded an average absolute difference of 36 m. These results look very promising and demonstrate the effectiveness of the proposed algorithm in accounting for depth discontinuities, occlusions, and image-signal noise.

  14. Astronaut Alan Bean deploys ALSEP during first Apollo 12 EVA on moon

    Science.gov (United States)

    1969-01-01

    Astronaut Alan L. Bean, Apollo 12 lunar module pilot, deploys components of the Apollo Lunar Surface Experiments Package (ALSEP) during the first Apollo 12 extravehicular activity (EVA) on the moon. The photo was made by Astronaut Charles Conrad Jr., Apollo 12 commander, using a 70mm handheld Haselblad camera modified for lunar surface usage.

  15. Technology-aided recreation and communication opportunities for post-coma persons affected by lack of speech and extensive motor impairment.

    Science.gov (United States)

    Lancioni, Giulio E; Singh, Nirbhay N; O'Reilly, Mark F; Sigafoos, Jeff; Buonocunto, Francesca; Sacco, Valentina; Navarro, Jorge; Lanzilotti, Crocifissa; D'Amico, Fiora; Sasanelli, Giovanni; De Tommaso, Marina; Megna, Marisa

    2013-09-01

    This study assessed technology-aided intervention programs for two post-coma men who had re-acquired consciousness, but were unable to engage in personally or socially relevant occupations, given their lack of functional speech and their extensive motor disabilities. The microswitches used for accessing the program contents consisted of (a) a pressure sensor fixed in the palm of the first man's hand that could be activated with a small hand closure movement, and (b) an optic sensor fixed under the chin of the second man that could be activated by mouth opening movements. The programs' content consisted of recreation and communication options, which involved activating music, videos, and basic requests, sending and receiving (listening to) text messages, and placing phone calls. The results showed that the men (a) used the technology-aided programs successfully to manage the recreation and communication options available and (b) showed consistent preference for the sessions with the technology-aided program over other daily events. Family and staff members interviewed about the participants' programs (seven members for each participant) thought that the participants enjoyed the intervention sessions with the programs and that the programs had beneficial effects for them. Implications of the findings are discussed. Copyright © 2013 Elsevier Ltd. All rights reserved.

  16. Djeen (Database for Joomla!’s Extensible Engine): a research information management system for flexible multi-technology project administration

    Science.gov (United States)

    2013-01-01

    Background With the advance of post-genomic technologies, the need for tools to manage large scale data in biology becomes more pressing. This involves annotating and storing data securely, as well as granting permissions flexibly with several technologies (all array types, flow cytometry, proteomics) for collaborative work and data sharing. This task is not easily achieved with most systems available today. Findings We developed Djeen (Database for Joomla!’s Extensible Engine), a new Research Information Management System (RIMS) for collaborative projects. Djeen is a user-friendly application, designed to streamline data storage and annotation collaboratively. Its database model, kept simple, is compliant with most technologies and allows storing and managing of heterogeneous data with the same system. Advanced permissions are managed through different roles. Templates allow Minimum Information (MI) compliance. Conclusion Djeen allows managing project associated with heterogeneous data types while enforcing annotation integrity and minimum information. Projects are managed within a hierarchy and user permissions are finely-grained for each project, user and group. Djeen Component source code (version 1.5.1) and installation documentation are available under CeCILL license from http://sourceforge.net/projects/djeen/files and supplementary material. PMID:23742665

  17. Mineralogy of Apollo 15415 ?genesis rock' - Source of anorthosite on moon.

    Science.gov (United States)

    Steele, I. M.; Smith, J. V.

    1971-01-01

    Results of electron microprobe analyses of plagioclase points and pyroxene grains of Apollo 15415 ?genesis rock.' It is pointed out that no evidence of cumulate textures has yet appeared to support suggestions of extensive crystal-liquid differentiation producing an anorthositic crust or a lunar crust composed of a mixture of plagioclase-rich rock, basalts and minor ultramafic material, which require that plagioclase crystals float in a basaltic liquid. The plagioclase in 15415 does not show cumulate texture either. It is noted that it remains to be seen whether rock 15415 is correctly named the ?genesis rock.'

  18. Center Director Bridges speaks at Apollo 11 anniversary banquet.

    Science.gov (United States)

    1999-01-01

    At an anniversary banquet honoring the Apollo program team, the people who made the entire lunar landing program possible, Center Director Roy D. Bridges offers remarks. The banquet was held in the Apollo/Saturn V Center, part of the KSC Visitor Complex. This is the 30th anniversary of the Apollo 11 launch and moon landing, July 16 and July 20, 1969. Among the guests at the banquet were astronauts Neil Armstrong, Edwin 'Buzz' Aldrin, Wally Schirra, Gene Cernan and Walt Cunningham. Neil Armstrong was the first man to walk on the moon; Gene Cernan was the last.

  19. On the Moon the apollo journals

    CERN Document Server

    Heiken, Grant

    2007-01-01

    Public interest in the first lunar landing transcended political, economic and social borders – the world was briefly united by the courage of the crew, and the wonder of the accomplishment. Prompted by the rivalry of the Cold War, Apollo 11 and the five missions that subsequently landed on the Moon were arguably the finest feats of exploration in human history. But these were more than exercises in ‘flags and footprints’, because the missions involved the crews making geological field trips on a low gravity site while wearing pressure suits, carrying life-support systems on their backs and working against an unforgiving time line. The missions delivered not only samples of moonrock, but also hard-learned lessons for how to work on the surface of another planet, and this experience will be crucial to planning the resumption of the human exploration of the Moon and going on to Mars.

  20. APOLLO2 calculations of RBMK lattices

    International Nuclear Information System (INIS)

    Kalashnikov, D.

    1998-01-01

    The purpose of this study is to investigate the use of erbium as burnable poison in RBMK reactors. The neutronic code APOLLO2 has been used and a comparison with the Monte-Carlo code TRIPOLI2 has been made. The first chapter briefly presents the RBMK characteristics, the second chapter deals with the neutronic behaviour of a fuel assembly in an infinite lattice which is an important step in the modelling process. The third chapter presents the analysis of the use of erbium in typical elements of the RBMK lattice. A good agreement is obtained between the 2 codes except in the draining situations. Erbium appears to reduce the positive reactivity effect of the draining configuration. (A.C.)

  1. Photogrammetry using Apollo 16 orbital photography, part B

    Science.gov (United States)

    Wu, S. S. C.; Schafer, F. J.; Jordan, R.; Nakata, G. M.

    1972-01-01

    Discussion is made of the Apollo 15 and 16 metric and panoramic cameras which provided photographs for accurate topographic portrayal of the lunar surface using photogrammetric methods. Nine stereoscopic models of Apollo 16 metric photographs and three models of panoramic photographs were evaluated photogrammetrically in support of the Apollo 16 geologic investigations. Four of the models were used to collect profile data for crater morphology studies; three models were used to collect evaluation data for the frequency distributions of lunar slopes; one model was used to prepare a map of the Apollo 16 traverse area; and one model was used to determine elevations of the Cayley Formation. The remaining three models were used to test photogrammetric techniques using oblique metric and panoramic camera photographs. Two preliminary contour maps were compiled and a high-oblique metric photograph was rectified.

  2. Apollo 11 astronaut Buzz Aldrin takes photos during training

    Science.gov (United States)

    1969-01-01

    Flying in a KC-135 aircraft, Apollo 11 Lunar Module Pilot Edwin E. Aldrin Jr. takes pictures during training for the upcoming first manned lunar landing with astronauts Neil A. Armstrong Jr. and Michael Collins.

  3. Cosmic rays score direct hits with Apollo crew

    CERN Multimedia

    1971-01-01

    Apollo 14 astronauts conduted experiments during the spaceflight to help scientists to understand why previous crews have seen flashes of light during missions, believed to be caused by cosmic rays (1 page).

  4. A Virtual Petrological Microscope for All Apollo 11 Lunar Samples

    Science.gov (United States)

    Pillnger, C. T.; Tindle, A. G.; Kelley, S. P.; Quick, K.; Scott, P.; Gibson, E. K.; Zeigler, R. A.

    2014-01-01

    A means of viewing, over the Internet, polished thin sections of every rock in the Apollo lunar sample collections via software, duplicaing many of the functions of a petrological microscope, is described.

  5. APOLLO 17 TRAVERSE GRAVIMETER DATA V1.0

    Data.gov (United States)

    National Aeronautics and Space Administration — This data set contains a table of readings from the Traverse Gravimeter Experiment performed during the Apollo 17 mission. The gravimeter, which recorded relative...

  6. The Apollo Missions and the Chemistry of the Moon

    Science.gov (United States)

    Pacer, Richard A.; Ehmann, William D.

    1975-01-01

    Presents the principle chemical features of the moon obtained by analyzing lunar samples gathered on the Apollo missions. Outlines the general physical features of the moon and presents theories on its origin. (GS)

  7. Lightning - Apollo to Shuttle. [case histories and spacecraft protection

    Science.gov (United States)

    Durrett, W. R.

    1976-01-01

    The history of lightning striking NASA spacecraft and the development of lightning protection systems is reviewed from the Apollo 12 flight, involving a lightning strike thirty six seconds after launch, to the present date. Particular attention is paid to problems that may arise in this field in the context of planning and implementing the Space Shuttle program. The lightning protection design for Apollo is described: a folding mast mounted on top of the hammerhead crane on top of the Launcher Umbilical Tower, with a lightning rod on top. The effect of lightning storms on the launches of Apollos 12 through 17 is examined, as is the effect of lightning in the Skylab program. The lightning problems encountered by the Apollo-Soyuz mission and by the two unmanned Viking launches to Mars are discussed. The Lightning Detection And Ranging system for detecting RF emission from lightning discharges is described.

  8. Conversion of CATHENA from the VAX to APOLLO computer

    International Nuclear Information System (INIS)

    Kawa, D.M.

    1986-12-01

    The thermal-hydraulic computer code developed by Atomic Energy of Canada Limited, CATHENA, has been converted from the VAX computer to operate on a low-cost, high-performance APOLLO 3000 work station. Full functionality of the program has been retained. Three verification cases have been analyzed which indicate accuracy to the sixth decimal place as printed in output listings. The APOLLO 3000 computing times for the 3 cases are approximately 15% faster than achieved on the Wardrop VAX 11 750

  9. Apollo 17 Soil Characterization for Reflectance Spectroscopy

    Science.gov (United States)

    Taylor, L. A.; Pieters, C.; Patchen, A.; Morris, R. V.; Keller, L. P.; Wentworth, S.; McKay, D. S.

    1999-01-01

    It is the fine fractions that dominate the observed spectral signatures of bulk lunar soil, and the next to the smallest size fractions are the most similar to the overall properties of the bulk soil. Thus, our Lunar Soil Characterization Consortium has concentrated on understanding the inter-relations of compositional, mineralogical, and optical properties of the chemistry of each size fraction, modal abundances of each phase, average compositions of the minerals and glasses, I(sub s)/FeO values, reflectance spectra, and the physical makeup of the individual particles and their patinas. This characterization includes the important dissection of the pyroxene minerals into four separate populations, with data on both modes and average chemical compositions. Armed with such data, it should be possible to effectively isolate spectral effects of space weathering from spectral properties related to mineral and glass chemistry. Four mare soils from the Apollo 17 site were selected for characterization based upon similarities in bulk composition and their contrasting maturities, ranging from immature to submature to mature. The methodology of our characterization has been discussed previously. Results of the Apollo 17 mare soils, outlined herein, are being prepared for publication in MAPS. As shown, with decreasing grain size, the agglutinitic (impact) glass content profoundly increases. This is the most impressive change for the mare soils. In several soils we have examined, there is an over two-fold increase in the agglutinitic glass contents between the 90-150- micron and the 10-20-micron size fractions. Accompanying this increase in agglutinitic glass is a definite decrease in pyroxenes and to lesser extents, the oxides (ilmenite), volcanic glass, and olivine. Unexpectedly, however, the absolute plagioclase abundances stay relatively constant throughout the different grain sizes, although the abundance of plagioclase relative to the mafic minerals increases with

  10. Apollo experience report: Thermal design of Apollo lunar surface experiments package

    Science.gov (United States)

    Harris, R. S., Jr.

    1972-01-01

    The evolution of the thermal design of the Apollo lunar surface experiments package central station from the basic concept to the final flight hardware is discussed, including results of development, prototype, and qualification tests that were used to verify that the flight hardware would operate adequately on the lunar surface. In addition, brief discussions of the thermal design of experiments included in the experiments package are presented. The flight thermal performance is compared with analytical results and thermal-vacuum test results, and design modifications for future lunar surface experiment packages are presented.

  11. Supporting technology for enhanced oil recovery: EOR thermal processes. Seventh Amendment and Extension to Annex 4, Enhanced oil recovery thermal processes

    Energy Technology Data Exchange (ETDEWEB)

    Reid, T B [USDOE Bartlesville Project Office, OK (United States); Colonomos, P [INTEVEP, Filial de Petroleos de Venezuela, SA, Caracas (Venezuela)

    1993-02-01

    This report contains the results of efforts under the six tasks of the Seventh Amendment and Extension of Annex IV, Enhanced Oil Recovery Thermal Processes of the Venezuela/USA Agreement. The report is presented in sections (for each of the 6 tasks) and each section contains one or more reports prepared by various individuals or groups describing the results of efforts under each of the tasks. A statement of each task, taken from the agreement, is presented on the first page of each section. The tasks are numbered 50 through 55. The first, second, third, fourth, fifth, sixth and seventh reports on Annex IV, Venezuela MEM/USA-DOE Fossil Energy Report IV-1, IV-2, IV-3, IV-4, IV-5 and IV-6 (DOE/BETC/SP-83/15, DOE/BC-84/6/SP, DOE/BC-86/2/SP, DOE/BC-87/2/SP, DOE/BC-89/l/SP, DOE/BC-90/l/SP, and DOE/BC-92/l/SP) contain the results for the first 49 tasks. Those reports are dated April 1983, August 1984, March 1986, July 1987, November 1988, December 1989, and October 1991, respectively. Each task report has been processed separately for inclusion in the Energy Science and Technology Database.

  12. Mobile Applications for Extension

    Science.gov (United States)

    Drill, Sabrina L.

    2012-01-01

    Mobile computing devices (smart phones, tablets, etc.) are rapidly becoming the dominant means of communication worldwide and are increasingly being used for scientific investigation. This technology can further our Extension mission by increasing our power for data collection, information dissemination, and informed decision-making. Mobile…

  13. Virtual Microscope Views of the Apollo 11, 12, and 15 Lunar Samples

    Science.gov (United States)

    Gibson, E. K.; Tindle, A. G.; Kelley, S. P.; Pillinger, J. M.

    2017-01-01

    The Apollo virtual microscope is a means of viewing, over the Internet, polished thin sections of every rock in the Apollo lunar sample collections. It uses software that duplicates many of the functions of a petrological microscope.

  14. NASA Administrator Dan Goldin greets Neil Armstrong at Apollo 11 anniversary banquet.

    Science.gov (United States)

    1999-01-01

    During an anniversary banquet honoring the Apollo team, the people who made the entire lunar landing program possible, former Apollo astronaut Neil A. Armstrong (left) shakes the hand of Judy Goldin (center), wife of NASA Administrator Daniel S. Goldin (right). The banquet was held in the Apollo/Saturn V Center, part of the KSC Visitor Complex. This is the 30th anniversary of the Apollo 11 launch and moon landing, July 16 and July 20, 1969. Among the guests at the banquet were former Apollo astronauts are Neil A. Armstrong and Edwin 'Buzz' Aldrin who flew on Apollo 11, the launch of the first moon landing; Gene Cernan, who flew on Apollo 10 and 17 and was the last man to walk on the moon; and Walt Cunningham, who flew on Apollo 7.

  15. Discoveries from Revisiting Apollo Direct Active Measurements of Lunar Dust

    Science.gov (United States)

    O'Brien, Brian

    2010-05-01

    New missions to the moon being developed by China, Japan, India, USA, Russia and Europe and possibilities of human missions about 2020 face the reality that 6 Apollo expeditions did not totally manage or mitigate effects of easily-mobilised and very "sticky" lunar dust on humans and hardware. Laboratory and theoretical modelling cannot reliably simulate the complex lunar environments that affect dynamical movements of lunar dust. The only direct active measurements of lunar dust during Apollo were made by matchbox-sized minimalist Dust Detector Experiments (DDEs) deployed to transmit some 30 million digital measurements from Apollo 11, 12, 14 and 15. These were misplaced or relatively ignored until 2009, when a self-funded suite of discoveries (O'Brien Geophys. Research Letters FIX 6 May 2099) revealed unexpected properties of lunar dust, such as the adhesive force being stronger as illumination increased. We give the first reports of contrasting effects, contamination or cleansing, from rocket exhausts of Apollo 11, 12, 14 and 15 Lunar Modules leaving the moon. We further strengthen the importance of collateral dust inadvertently splashed on Apollo hardware by human activities. Dust management designs and mission plans require optimum use of such in situ measurements, extended by laboratory simulations and theoretical modelling.

  16. President Nixon on deck of U.S.S. Hornet awaiting Apollo 11 crew arrival

    Science.gov (United States)

    1969-01-01

    President Richard M. Nixon photographed on the deck of the U.S.S. Hornet, prime recovery ship for the Apollo 11 lunar landing mission, awaiting the Apollo 11 crew arrival. swimmer. All four men are wearing biological isolation garments. Apollo 11 splashed down at 11:40 a.m., July 24, 1969, about 812 nautical miles southwest of Hawaii.

  17. Moon Rock Presented to Smithsonian Institute by Apollo 11 Crew

    Science.gov (United States)

    1969-01-01

    Apollo 11 astronauts, (left to right) Edwin E. Aldrin Jr., Lunar Module pilot; Michael Collins, Command Module pilot; and Neil A. Armstrong, commander, are showing a two-pound Moon rock to Frank Taylor, director of the Smithsonian Institute in Washington D.C. The rock was picked up from the Moon's surface during the Extra Vehicular Activity (EVA) of Aldrin and Armstrong following man's first Moon landing and was was presented to the Institute for display in the Art and Industries Building. The Apollo 11 mission, launched from the Kennedy Space Center, Florida via the Marshall Space Flight Center (MSFC) developed Saturn V launch vehicle on July 16, 1969 and safely returned to Earth on July 24, 1969. With the success of Apollo 11, the national objective to land men on the Moon and return them safely to Earth had been accomplished.

  18. Photogrammetric Processing of Apollo 15 Metric Camera Oblique Images

    Science.gov (United States)

    Edmundson, K. L.; Alexandrov, O.; Archinal, B. A.; Becker, K. J.; Becker, T. L.; Kirk, R. L.; Moratto, Z. M.; Nefian, A. V.; Richie, J. O.; Robinson, M. S.

    2016-06-01

    The integrated photogrammetric mapping system flown on the last three Apollo lunar missions (15, 16, and 17) in the early 1970s incorporated a Metric (mapping) Camera, a high-resolution Panoramic Camera, and a star camera and laser altimeter to provide support data. In an ongoing collaboration, the U.S. Geological Survey's Astrogeology Science Center, the Intelligent Robotics Group of the NASA Ames Research Center, and Arizona State University are working to achieve the most complete cartographic development of Apollo mapping system data into versatile digital map products. These will enable a variety of scientific/engineering uses of the data including mission planning, geologic mapping, geophysical process modelling, slope dependent correction of spectral data, and change detection. Here we describe efforts to control the oblique images acquired from the Apollo 15 Metric Camera.

  19. NASA honors Apollo 13 astronaut Fred Haise Jr.

    Science.gov (United States)

    2009-01-01

    NASA Administrator Charles Bolden (left) presents the Ambassador of Exploration Award (an encased moon rock) to Biloxi native and Apollo 13 astronaut Fred Haise Jr. (right) for his contributions to space exploration. During a Dec. 2 ceremony at Gorenflo elementary School in Biloxi, Miss., Bolden praised Haise for his overall space career and his performance on the Apollo 13 mission that was crippled two days after launch. Haise and fellow crewmembers nursed the spacecraft on a perilous trip back to Earth. 'The historic Apollo 13 mission was as dramatic as any Hollywood production,' Bolden said. 'When an explosion crippled his command module, Fred and his crewmates, Jim Lovell and Jack Swigert, guided their spacecraft around the moon and back to a successful splashdown in the Pacific Ocean - all while the world held its breath. While Fred didn't have the chance to walk on the moon, the cool courage and concentration in the face of crisis is among NASA's most enduring legacies.'

  20. Energy Expenditure During Extravehicular Activity: Apollo Skylab Through STS-135

    Science.gov (United States)

    Paul, Heather L.

    2011-01-01

    The importance of real-time metabolic rate monitoring during extravehicular activities (EVAs) came into question during the Gemini missions, when the energy expenditure required to conduct an EVA over-tasked the crewmember and exceeded the capabilities of vehicle and space suit life support systems. Energy expenditure was closely evaluated through the Apollo lunar surface EVAs, resulting in modifications to space suit design and EVA operations. After the Apollo lunar surface missions were completed, the United States shifted its focus to long duration human space flight, to study the human response to living and working in a microgravity environment. This paper summarizes the energy expenditure during EVA from Apollo Skylab through STS-135.

  1. Information Technologies as a Tool for Agricultural Extension and Farmer-to-Farmer Exchange: Mobile-Phone Video Use in Mali and Burkina Faso

    Science.gov (United States)

    Sousa, Fernando; Nicolay, Gian; Home, Robert

    2016-01-01

    Mobile phones are widespread in the rural areas of Mali and Burkina Faso, but their potential as a tool for knowledge transfer by extension services in the region remains largely unexplored. The aim of this contribution is to evaluate the potential of video on mobile phones as a tool for farmer-to-farmer exchange and agricultural extension in…

  2. Rock and Roll at the Apollo 17 Site

    Science.gov (United States)

    Martel, L. M. V.

    2016-06-01

    Astronauts Eugene A. Cernan and Harrison H. (Jack) Schmitt collected 243 pounds (110 kg) of rock and regolith samples during 22 hours working on the lunar surface during the Apollo 17 mission in December 1972, while Astronaut Ronald Evans orbited in the command module. The field observations, audio descriptions, and photographs coupled with orbital data and detailed, laboratory analyses of Apollo samples provided unprecedented information about the Moon and its geologic history. The Apollo samples continue to inspire new questions and answers about the Moon. Debra Hurwitz and David Kring (Lunar and Planetary Institute and NASA Solar System Exploration Research Virtual Institute; Hurwitz now at NASA Goddard Space Flight Center) were particularly interested in solving the mystery of where the boulders came from at the base of the North Massif (station 6) and at the base of the South Massif (station 2) from which Apollo 17 astronauts collected samples of impact melt breccias. The breccias were unequivocally formed by impact processes, but forty years of analyses had not yet determined unambiguously which impact event was responsible. Was it the basin-forming event of the landing site's neighbor Serenitatis (possibly Nectarian age); the larger, nearby Imbrium basin (Imbrian age and one of the last large basins to form); a combination of these impacts or an impact event older or younger than all of the above. Tracking down the origin of the boulders would ideally unravel details of the formation age of the breccias and, ultimately, help with the historical record of basin formation on the Moon. Hurwitz and Kring verified the boulders rolled down from massif walls - Apollo 17 impact melt breccias originated in massif material, not from the Sculptured Hills, an overlying geologic unit. But the relative geologic context is easier to explain than the absolute age, at least until some discrepancies are resolved in existing Ar-Ar and U-Pb radiometric ages of the Apollo 17

  3. ArcGIS Digitization of Apollo Surface Traverses

    Science.gov (United States)

    Petro, N. E.; Bleacher, J. E.; Gladdis, L. R.; Garry, W. B.; Lam, F.; Mest, S. C.

    2012-01-01

    The Apollo surface activities were documented in extraordinary detail, with every action performed by the astronauts while on the surface recorded either in photo, audio, film, or by written testimony [1]. The samples and in situ measurements the astronauts collected while on the lunar surface have shaped our understanding of the geologic history of the Moon, and the earliest history and evolution of the inner Solar System. As part of an ongoing LASERfunded effort, we are digitizing and georeferencing data from astronaut traverses and spatially associating them to available, co-registered remote sensing data. Here we introduce the products produced so far for Apollo 15, 16, and 17 missions.

  4. Lunar surface photography - A study of Apollo 11

    Science.gov (United States)

    Arnold, H. J. P.

    1987-10-01

    Attention is drawn to the perplexing oversight of mission planners to ensure the taking of a photograph of Neil Armstrong by Buzz Aldrin, during the Apollo 11 lunar landing. The ramifications of this oversight for NASA public relations efforts are explored, together with the reasons for its occurrence that have been unearthed during subsequent investigations of both lunar walk planning and communications from earth controllers during the lunar walk activity. From Apollo 12 onwards, both lunar landing module crewmen wore Hasselblad cameras to ensure the appearance of both in numerous operational photographs.

  5. Apollo experience report: The problem of stress-corrosion cracking

    Science.gov (United States)

    Johnson, R. E.

    1973-01-01

    Stress-corrosion cracking has been the most common cause of structural-material failures in the Apollo Program. The frequency of stress-corrosion cracking has been high and the magnitude of the problem, in terms of hardware lost and time and money expended, has been significant. In this report, the significant Apollo Program experiences with stress-corrosion cracking are discussed. The causes of stress-corrosion cracking and the corrective actions are discussed, in terminology familiar to design engineers and management personnel, to show how stress-corrosion cracking can be prevented.

  6. Plaque which Apollo 11 astronauts will leave on the moon

    Science.gov (United States)

    1969-01-01

    Closeup view of the plaque which the Apollo 11 astronauts will leave behind on the moon is commemoration of the historic event. The plaque is made of stainless steel measuring nine by seven and five-eighths inches, and one-sixteenth inch thick. The plaque will be attached to the ladder on the landing gear strut on the descent stage of the Apollo 11 Lunar Module. Covering the plaque during flight will be a thin sheet of stainless steel which will be removed on the lunar surface.

  7. a 3d Based Approach to the Architectural Study of the Roman Bath at the Sanctuary of Apollo Hylates (kourion, Cyprus).

    Science.gov (United States)

    Faka, M.; Christodoulou, S.; Abate, D.; Ioannou, C.; Hermon, S.

    2017-08-01

    Roman baths represented a popular social practice of everyday life, cited in numerous literary sources and testified by ample archaeological remains all over the Roman Empire. Although regional studies have contributed extensively to our knowledge about how baths functioned and what was their social role in various regions of the Mediterranean, their study in Cyprus is yet to be developed. Moreover, despite the increasing availability of devices and techniques for 3D documentation, various characteristics, especially in relation to the heating and water supply system of the baths, were omitted and were not properly and accurately documented. The pilot case study outlined in this paper presents the 3D documentation of the Roman bath, excavated in the 1950s, within the area of the Sanctuary of Apollo Hylates at Kourion (Limassol district). The creation of an accurate 3D model of the documented area through image and range based techniques combined with topographic data, allows the detailed analysis of architectural elements and their decorative features. At the same time, it enables accurate measurements of the site, which are used as input for the archaeological interpretation and virtual reconstruction of the original shape of the bath. In addition, this project aims to answer a number of archaeological research questions related to Roman baths such as their architectural features, function mode, and technological elements related to heating techniques.

  8. A 3D BASED APPROACH TO THE ARCHITECTURAL STUDY OF THE ROMAN BATH AT THE SANCTUARY OF APOLLO HYLATES (KOURION, CYPRUS.

    Directory of Open Access Journals (Sweden)

    M. Faka

    2017-08-01

    Full Text Available Roman baths represented a popular social practice of everyday life, cited in numerous literary sources and testified by ample archaeological remains all over the Roman Empire. Although regional studies have contributed extensively to our knowledge about how baths functioned and what was their social role in various regions of the Mediterranean, their study in Cyprus is yet to be developed. Moreover, despite the increasing availability of devices and techniques for 3D documentation, various characteristics, especially in relation to the heating and water supply system of the baths, were omitted and were not properly and accurately documented. The pilot case study outlined in this paper presents the 3D documentation of the Roman bath, excavated in the 1950s, within the area of the Sanctuary of Apollo Hylates at Kourion (Limassol district. The creation of an accurate 3D model of the documented area through image and range based techniques combined with topographic data, allows the detailed analysis of architectural elements and their decorative features. At the same time, it enables accurate measurements of the site, which are used as input for the archaeological interpretation and virtual reconstruction of the original shape of the bath. In addition, this project aims to answer a number of archaeological research questions related to Roman baths such as their architectural features, function mode, and technological elements related to heating techniques.

  9. The spectral code Apollo2: from lattice to 2D core calculations

    Energy Technology Data Exchange (ETDEWEB)

    Coste-Delclaux, M.; Santandrea, S.; Damian, F.; Blanc-Tranchant, P.; Zmijarevic, I. [CEA Saclay (DEN/DANS/SERMA), 91 - Gif-sur-Yvette (France); Santamarina, A. [CEA Cadarache (CEA/DEN/DER/SPRC), 13 - Saint Paul lez Durance (France)

    2005-07-01

    Apollo2 is a powerful code dedicated to neutron transport, it is a highly qualified tool for a wide range of applications from research and development studies to industrial applications. Today Apollo2 is part of several advanced 3-dimensional nuclear code packages dedicated to reactor physics, fuel cycle, criticality and safety analysis. The presentations have been organized into 7 topics: -) an introduction to Apollo2, -) cross-sections, -) flux calculation, -) advanced applications, -) Apollo2 users, specialized packages, -) qualification program, and -) the future of Apollo2. This document gathers only the slides of the presentations.

  10. The spectral code Apollo2: from lattice to 2D core calculations

    International Nuclear Information System (INIS)

    Coste-Delclaux, M.; Santandrea, S.; Damian, F.; Blanc-Tranchant, P.; Zmijarevic, I.; Santamarina, A.

    2005-01-01

    Apollo2 is a powerful code dedicated to neutron transport, it is a highly qualified tool for a wide range of applications from research and development studies to industrial applications. Today Apollo2 is part of several advanced 3-dimensional nuclear code packages dedicated to reactor physics, fuel cycle, criticality and safety analysis. The presentations have been organized into 7 topics: -) an introduction to Apollo2, -) cross-sections, -) flux calculation, -) advanced applications, -) Apollo2 users, specialized packages, -) qualification program, and -) the future of Apollo2. This document gathers only the slides of the presentations

  11. [327] Biomedical Research Deferred in the Aftermath of the Apollo Fire: Impact to Progress in Human Spaceflight

    Science.gov (United States)

    Charles, John B.

    2017-01-01

    Before Apollo fire, early Apollo missions were expected to continue pattern established in Gemini program of accommodating significant scientific and biological experimentation, including human biomedical studies, during flights. Apollo1 and Apollo2, both 2-week engineering test flights, were to carry almost as many biomedical studies as Gemini 7, a 2-week medical test mission.

  12. Integration of Two SPAWAR PEOC4I NetCentric Technologies: Tactical Environmental Database Services (TEDServices) with the Extensible Tactical C4I Framework (XTCF)

    National Research Council Canada - National Science Library

    Bowers, Timothy H

    2007-01-01

    .... This was accomplished by delivering current weather data from Tactical Environmental Data Services (TEDServices), an API used to request meterological, oceanographic, and environmental information, through the Extensible Tactical C4I Framework...

  13. Evaluation of a Cooperative Extension Service Curriculum on Empowering Older Adults with Assistive Technology to Grocery Shop, Prepare Food, and Eat

    Science.gov (United States)

    Hermann, Janice R.; Johnston, Jan H.; Brosi, Whitney A.; Jaco, Linda

    2012-01-01

    The Empowering Older Adults with Assistive Technology to Shop, Cook and Eat curriculum was designed to provide education about concepts of empowerment and assistive technology for grocery shopping, preparing food, and eating. The curriculum included examples and hands-on demonstrations of assistive technology devices for grocery shopping, food…

  14. First massively parallel algorithm to be implemented in APOLLO-II code

    International Nuclear Information System (INIS)

    Stankovski, Z.

    1994-01-01

    The collision probability method in neutron transport, as applied to arbitrary 2-dimensional geometries, like the two dimensional transport module in APOLLO-II is very time consuming. Consequently 3-dimensional extension became prohibitive. Fortunately, this method is very suitable for parallelization. Massively parallel computer architectures, especially MIMD machines, bring a new breath to this method. In this paper we present a CM5 implementation of the collision probability method. Parallelization is applied to the energy groups, using the CMMD massage passing library. In our case we used 32 processors for the standard 99-group APOLLIB-II library. The real advantage of this algorithm will appear in the calculation of the future multigroup library (about 8000 groups) of the SAPHYR project with a massively parallel computer (to the order of hundreds of processors). (author). 4 refs., 4 figs., 3 tabs

  15. The Apollo lunar samples collection analysis and results

    CERN Document Server

    Young, Anthony

    2017-01-01

    This book focuses on the specific mission planning for lunar sample collection, the equipment used, and the analysis and findings concerning the samples at the Lunar Receiving Laboratory in Texas. Anthony Young documents the collection of Apollo samples for the first time for readers of all backgrounds, and includes interviews with many of those involved in planning and analyzing the samples. NASA contracted with the U.S. Geologic Survey to perform classroom and field training of the Apollo astronauts. NASA’s Geology Group within the Manned Spacecraft Center in Houston, Texas, helped to establish the goals of sample collection, as well as the design of sample collection tools, bags, and storage containers. In this book, detailed descriptions are given on the design of the lunar sampling tools, the Modular Experiment Transporter used on Apollo 14, and the specific areas of the Lunar Rover vehicle used for the Apollo 15, 16, and 17 missions, which carried the sampling tools, bags, and other related equipment ...

  16. Illustration of relative sizes of Mercury, Gemini and Apollo spacecraft

    Science.gov (United States)

    1987-01-01

    Artist concept illustrating the relative sizes of the one-man Mercury spacecraft, the two-man Gemini spacecraft, and the three-man Apollo spacecraft. Also shows line drawing of launch vehichles to show their relative size in relation to each other.

  17. Apollo 12 lunar material - Effects on plant pigments.

    Science.gov (United States)

    Weete, J. D.; Walkinshaw, C. H.

    1972-01-01

    Tissue cultures of tobacco grown for 12 weeks in contact with lunar material returned by Apollo 12 contained 21 to 35% more total pigment than control tissues. This difference is due primarily to increased chlorophyll a concentrations per gram fresh weight of tissue in experimental cultures. No differences were noted in the fresh or dry weight of the experimental and control cultures.

  18. Apollo Seals: A Basis for the Crew Exploration Vehicle Seals

    Science.gov (United States)

    Finkbeiner, Joshua R.; Dunlap, Patrick H., Jr.; Steinetz, Bruce M.; Daniels, Christopher C.

    2007-01-01

    NASA s Vision for Space Exploration Replace the Space Shuttle for missions to ISS. Return to the Moon. Allow manned exploration of Mars. Apollo-like configuration. Blunt-body heat shield. Conical backshell. CEV requires seal development. Prevent ingestion of reentry gases. Prevent loss of habitable atmosphere.

  19. Apollo 12, A New Vista for Lunar Science.

    Science.gov (United States)

    National Aeronautics and Space Administration, Washington, DC.

    Man's second lunar landing, Apollo 12, provided a wealth of scientific information about the moon. The deployment of the magnetometer, seismometer, and ionosphere detector, and other activities on the lunar surface are described. A number of color photographs show the astronauts setting up equipment on the moon as well as close-ups of the lunar…

  20. Reporters Interview Family of Apollo 11 Astronaut Neil Armstrong

    Science.gov (United States)

    1969-01-01

    Newsmen talked with the wife and sons of Apollo 11 astronaut Neil A. Armstrong after the successful launch of Apollo 11 on its trajectory to the moon. The Apollo 11 mission, the first lunar landing mission, launched from the Kennedy Space Center (KSC) in Florida via the Marshall Space Flight Center (MSFC) developed Saturn V launch vehicle on July 16, 1969 and safely returned to Earth on July 24, 1969. Aboard the space craft were astronauts Neil A. Armstrong, commander; Michael Collins, Command Module (CM) pilot; and Edwin E. (Buzz) Aldrin Jr., Lunar Module (LM) pilot. The CM, 'Columbia', piloted by Collins, remained in a parking orbit around the Moon while the LM, 'Eagle'', carrying astronauts Armstrong and Aldrin, landed on the Moon. On July 20, 1969, Armstrong was the first human to ever stand on the lunar surface, followed by Aldrin. During 2½ hours of surface exploration, the crew collected 47 pounds of lunar surface material for analysis back on Earth. With the success of Apollo 11, the national objective to land men on the Moon and return them safely to Earth had been accomplished.

  1. Tantalo-Niobate from the Apollo-17 Regolith

    Science.gov (United States)

    Mokhov, A. V.; Kartashov, P. M.; Rybchuk, A. P.; Gornostaeva, T. A.; Bogatikov, O. A.

    2018-01-01

    Particles of tantalo-niobate of the ferrotantalite-manganotantalite series are discovered for the first time in two lunar regolith fragments delivered by the Apollo-17 mission. Allochtonous and autochtonous mineralization that accompanies tantalo-niobate in the regolith is described. An attempt is made to explain the formation of tantalite in anorthosites of the continental region of the Moon.

  2. APOLLO SOYUZ TEST PROJECT [ASTP] CREWS ADDRESS PERSONNEL IN LCC

    Science.gov (United States)

    1975-01-01

    The Soviet and American crews for the July Apollo Soyuz Test Project [standing, center] addressed personnel assembled in a firing room at KSC on February 10. The crews for the joint manned space mission toured the Center during their three-day visit which also included inspection of ASTP equipment and facilities and a trip to Disney World.

  3. Emblem of the Apollo 17 lunar landing mission

    Science.gov (United States)

    1972-01-01

    This is the Official emblem of the Apollo 17 lunar landing mission which will be flown by Astronauts Eugene A. Cernan, Ronald E. Evans and Harrison H. Schmitt. The insignia is dominated by the image of Apollo, the Greek sun god. Suspended in space behind the head of Apollo is an American eagle of contemporary design, the red bars of the eagle's wing represent the bars in the U.S. flag; the three white stars symbolize the three astronaut crewmen. The background is deep blue space and within it are the Moon, the planet Saturn and a spiral galaxy or nebula. The Moon is partially overlaid by the eagle's wing suggesting that this is a celestial body that man has visited and in that sense conquered. The thrust of the eagle and the gaze of Apollo to the right and toward Saturn and the galaxy is meant to imply that man's goals in space will someday include the planets and perhaps the stars. The colors of the emblem are red, white and blue, the colors of our flag; with the addition of gold, to

  4. Virtual Microscope Views of the Apollo 11 and 12 Lunar Samples

    Science.gov (United States)

    Gibson, E. K.; Tindle, A. G.; Kelley, S. P.; Pillinger, J. M.

    2016-01-01

    The Apollo virtual microscope is a means of viewing, over the Internet, polished thin sections of every rock in the Apollo lunar sample collections via software, duplicating many of the functions of a petrological microscope, is described. Images from the Apollo 11 and 12 missions may be viewed at: www.virtualmicroscope.org/content/apollo. Introduction: During the six NASA missions to the Moon from 1969-72 a total of 382 kilograms of rocks and soils, often referred to as "the legacy of Apollo", were collected and returned to Earth. A unique collection of polished thin sections (PTSs) was made from over 400 rocks by the Lunar Sample Curatorial Facility at the Johnson Spacecraft Center (JSC), Houston. These materials have been available for loan to approved PIs but of course they can't be simultaneously investigated by several researchers unless they are co-located or the sample is passed back and forward between them by mail/hand carrying which is inefficient and very risky for irreplaceable material. When The Open University (OU), the world's largest Distance Learning Higher Education Establishment found itself facing a comparable problem (how to supply thousands of undergraduate students with an interactive petrological microscope and a personal set of thin sections), it decided to develop a software tool called the Virtual Microscope (VM). As a result it is now able to make the unique and precious collection of Apollo specimens universally available as a resource for concurrent study by anybody in the world's Earth and Planetary Sciences community. Herein, we describe the first steps of a collaborative project between OU and the Johnson Space Center (JSC) Curatorial Facility to record a PTS for every lunar rock, beginning with those collected by the Apollo 11 and 12 missions. Method: Production of a virtual microscope dedicated to a particular theme divides into four main parts - photography, image processing, building and assembly of virtual microscope

  5. Evaluation of nutritional and biochemical properties of litchi (Litchi chinensis) and its quarantine treatment and shelf-life extension using radiation technology

    International Nuclear Information System (INIS)

    Hajare, Sachin N.; Saxena, Sudhanshu; Kumar, Sanjeev; Wadhawan, Surbhi; More, Varsha; Mishra, B.B.; Parte, Madan Narayan; Gautam, Satyendra; Sharma, Arun

    2009-01-01

    Combination of gamma irradiation and dip treatment on shelf life extension of two major cultivars of litchi namely, Shahi, and China was studied for improving market availability of the fruit and to overcome quarantine barrier for international trade. An extension in shelf life up to 28 days was achieved at 4 deg C, whereas, control fruits last around 10 days at 4 deg C. Physicochemical and nutritional parameters such as moisture content, acidity (pH), total soluble solid, total and reducing sugars, vitamin C content, phenolics, flavonoids, antioxidant activities, browning associated enzymatic activities, microbiological and sensory attributes were studied during the storage period. It was observed that low dose of gamma radiation did not affect significantly any of these parameters. Further, a novel combination dip treatment was developed which resulted in shelf life extension up to 60 days with complete inhibition of pericarp browning. (author)

  6. Extension contact and professional competencies needed by ...

    African Journals Online (AJOL)

    Extension contact and professional competencies needed by extension agents in the Central Region of Ghana for effective transfer of fish-processing technologies to small-scale women in fish processing - Provisional Communication.

  7. The triumph and decline of the "squares": Grumman Aerospace engineers and production workers in the Apollo era, 1957--1973

    Science.gov (United States)

    Onkst, David Hugh

    than a third of the Apollo workforce that had made that program a reality. By relying on a wide-range of archival research (including corporate records) and extensive surveys and interviews with Grummanites, this dissertation provides an overview of how Apollo era aerospace workers interacted with the Cold War American state.

  8. Recovery and Restoration of Apollo Data - An Update

    Science.gov (United States)

    Williams, D. R.; Taylor, P. T.; Hills, H. K.; Nagihara, S.; Nakamura, Y.; Kiefer, W. S.; Guinness, E. A.

    2017-12-01

    The effort to restore Apollo lunar data, much of which was stored in obsolete formats and on unwieldy media, typically without sufficient documentation, continues to provide new insights into the workings of the Moon. The endeavor, under the auspices of the NASA Space Science Data Coordinated Archive (NSSDCA) Lunar Data Project and Planetary Data System (PDS) Lunar Data Node, and also funded by LASER and PDART proposals, is designed to take the data from the Apollo orbital instruments, astronaut experiments, and long-lived surface stations and convert them into well-documented, digital formats for archive in the NSSDCA and PDS. The data from the ALSEP (Apollo Lunar Surface Experiment Package) surface stations in particular had not been thoroughly examined. Now in standard digital formats with the aid of modern computers and algorithms, they are yielding long-term information on the lunar environment. We will review the data restoration effort in general, concentrating on data sets we have completed and those we are currently working on, which have resulted in advances in our understanding of the Moon. For example, we have restored the archived ALSEP heat flow data from Apollo 15 and 17 that covered the period from deployment to 1 January 1975 and archived them with PDS. In addition, raw data for a three month period from April to June, 1975 have been discovered and restored, and data from March 1976 through September 1977 have been read from the Apollo Work Tapes. These data confirm the subsurface temperatures at the heat flow site have been warming over many years, even at depth, and have implications for the interpretation of the heat flow coming from the Moon. Examination of the restored Lunar Ejecta And Meteorite (LEAM) data and comparison with the restored ALSEP Housekeeping data indicates that the anomalous signals recorded by LEAM are not due to electrical interference and may be due to charged dust particles. Re-examination of restored Lunar Atmospheric

  9. A CityGML extension for traffic-sign objects that guides the automatic processing of data collected using Mobile Mapping technology

    Science.gov (United States)

    Varela-González, M.; Riveiro, B.; Arias-Sánchez, P.; González-Jorge, H.; Martínez-Sánchez, J.

    2014-11-01

    The rapid evolution of integral schemes, accounting for geometric and semantic data, has been importantly motivated by the advances in the last decade in mobile laser scanning technology; automation in data processing has also recently influenced the expansion of the new model concepts. This paper reviews some important issues involved in the new paradigms of city 3D modelling: an interoperable schema for city 3D modelling (cityGML) and mobile mapping technology to provide the features that composing the city model. This paper focuses in traffic signs, discussing their characterization using cityGML in order to ease the implementation of LiDAR technology in road management software, as well as analysing some limitations of the current technology in the labour of automatic detection and classification.

  10. Control and Modeling of Extensible Continuum Robots

    Data.gov (United States)

    National Aeronautics and Space Administration — The goal of this research is to develop fundamental control theory, dynamic modeling, and control technology for extensible continuum robotic manipulators. These...

  11. Was Project Management Life Really Better in Apollo?

    Science.gov (United States)

    2010-01-01

    This slide presentation discusses the question of "Was Project Management Life Really Better in Apollo?" Was money really flowing freely all through Apollo? Are we wallowing in nostalgia and comparing current circumstances to a managerial time which did not exist? This talk discusses these and other questions as background for you as today s project managers. There are slides showing the timelines from before the speech that Kennedy gave promising to land a man on the moon, to the early 60's, when the manned space center prepared the preliminary lunar landing mission design, an NASA organization chart from 1970, various photos of the rockets, and the astronauts are presented. The next slides discuss the budgets from the 1960's to the early 1970's. Also the results of a survey of 62 managers, who were asked "What problems pose the greatest obstacles to successful project performance?"

  12. Apollo 16 geochemical X-ray fluorescence experiment: Preliminary report

    Science.gov (United States)

    Adler, I.; Trombka, J.; Gerard, J.; Lowman, P.; Schmadebeck, R.; Blodgett, H.; Eller, E.; Yin, L.; Lamothe, R.; Osswald, G.

    1972-01-01

    The lunar surface was mapped with respect to Mg, Al, and Si, as Al/Si and Mg/Si ratios along the projected ground tracks swept out by the orbiting Apollo 16 spacecraft. The results confirm the observations made during the Apollo 15 flight and provide data for a number of features not covered before. The data are consistent with the idea that the moon has a widespread differentiated crust (the highlands). The Al/Si and Mg/Si chemical ratios correspond to that for anorthositic gabbro through gabbroic anorthosites or feldspathic basalts. The X-ray results suggest the occurrence of this premare crust or material similar to it as the Descartes landing site.

  13. Apollo 11 Commander Armstrong Presents President With Commemorative Plaque

    Science.gov (United States)

    1974-01-01

    On June 4, 1974, 5 years after the successful Apollo 11 lunar landing mission, commander Neil Armstrong (right) presented a plaque to U.S. President Richard Milhous Nixon (left) on behalf of all people who had taken part in the space program. In making the presentation, Armstrong said 'Mr. President, you have proclaimed this week to be United States Space week in conjunction with the fifth anniversary of our first successful landing on the Moon. It is my privilege to represent my colleagues, the crewmen of projects Mercury, Gemini, Apollo, and Skylab, and the men and women of NASA, and the hundreds of thousands of Americans from across the land who contributed so mightily to the success of our efforts in space in presenting this plaque which bears the names of each individual who has had the privilege of representing this country' in a space flight. The presentation was made at the California white house in San Clemente.

  14. Odysseus and the Cult of Apollo at Delos

    Directory of Open Access Journals (Sweden)

    Jim Marks

    2016-03-01

    Full Text Available This paper explores literary representations of the cult of Apollo on Delos. This island is, to be sure, mentioned only occasionally in early Greek poetry, but details specific to the cult do appear. Thus, for example, Odysseus describes a palm tree he saw at an altar of Apollo on Delos (Od. 6.162-3, and a third-century inscription from the island mentions just such a feature. References to a palm, altar, and temple at Delos in later classical authors, including Callimachus, Pliny, Cicero, and Plutarch, demonstrate that the Archaic period traditions represented by the Homeric passages continued to shape how successive generations of visitors understood Delos. The material record makes clear that the Greek epic tradition documents a time when Delos was already a well attended sanctuary, and that later constructions at the site attempted to remain consistent with the details preserved in the epics.

  15. PDS Lunar Data Node Restoration of Apollo In-Situ Surface Data

    Science.gov (United States)

    Williams, David R.; Hills, H. Kent; Guinness, Edward A.; Lowman, Paul D.; Taylor, Patrick T.

    2010-01-01

    The Apollo missions between 1969 and 1972 deployed scientific instruments on the Moon's surface which made in-situ measurements of the lunar environment. Apollo II had the short-term Early Apollo Surface Experiments Package (EASEP) and Apollos 12, 14, 15, 16, and 17 each set up an Apollo Lunar Surface Experiments Package (ALSEP). Each ALSEP package contained a different suite of instruments which took measurements and radioed the results back to Earth over periods from 5 to 7 years until they were turned off on 30 September 1977. To this day the ALSEP data remain the only long-term in-situ information on the Moon's surface environment. The Lunar Data Node (LDN) has been formed under the auspices of the Planetary Data System (PDS) Geosciences Node to put relevant, scientifically important Apollo data into accessible digital form for use by researchers and mission planners. We will report on progress made since last year and plans for future data restorations.

  16. Scanning electron microscope study of Apollo 15 green glass

    Science.gov (United States)

    Mckay, D. S.; Clanton, U. S.; Ladle, G.

    1973-01-01

    Apollo 15 green glass droplets and related forms show a variety of low velocity impact features which occurred at the time of formation of the droplets. Composite forms, which consist of a crystallized core on which mounds of glass adhere, indicate a sequence of core formation and crystallization, followed by impact of molten droplets. The complicated and time dependent texture and morphology of the green glass forms are best explained by formation in a volcanic lava fountain rather than by meteorite impact.

  17. Apollo 11 astronaut Buzz Aldrin appears relaxed before launch

    Science.gov (United States)

    1969-01-01

    Apollo 11 astronaut Edwin E. Aldrin Jr. appears to be relaxed during suiting operations in the Manned Spacecraft Operations Building (MSOB) prior to the astronauts' departure to Launch Pad 39A. The three astronauts, Edwin E. Aldrin Jr., Neil A. Armstrong and Michael Collins, will then board the Saturn V launch vehicle, scheduled for a 9:32 a.m. EDT liftoff, for the first manned lunar landing mission.

  18. Physical properties of Aten, Apollo and Amor asteroids

    Science.gov (United States)

    Mcfadden, Lucy-Ann; Tholen, David J.; Veeder, Glenn J.

    1989-01-01

    Data available on the physical properties of a group of planet-crossing asteroids, the Aten, Apollo, and Amor objects (AAAO) (include data on the taxonomy, mineralogical surface composition, diameter, rotation rate, shape, and surface texture) are presented together with the type of observations used for obtaining these data. These data show that the population of the AAAO is diverse in all of their physical characteristics. This diversity implies that the AAAO come from multiple sources and had different evolutionary histories.

  19. View of the crater on lunar farside from Apollo 13

    Science.gov (United States)

    1970-01-01

    This bright-rayed crater on the lunar farside was photographed from the Apollo 13 spacecraft during its pass around the Moon. This area is northeast of Mare Marginus. The bright-rayed crater is located at about 105 degrees east longitude and 45 degrees north latitude. The crater Joliot-Curie is located between Mare Marginus and the rayed crater. This view is looking generally toward the northeast.

  20. Rare gas record in the largest Apollo 15 rock.

    Science.gov (United States)

    Marti, K.; Lightner, B. D.

    1972-01-01

    The results obtained from mass-spectrometry analyses of the noble gases He, Ne, Ar, Kr, and Xe in a 182-mg chip of the largest Apollo 15 rock 15555 are presented. The spallation krypton data indicate a well-shielded location through most of the time during which the rock was exposed to cosmic rays. Gas retention ages are estimated. No evidence for the presence of products from plutonium-244 or iodine-129 was found.

  1. Apollo telescope mount thermal systems unit thermal vacuum test

    Science.gov (United States)

    Trucks, H. F.; Hueter, U.; Wise, J. H.; Bachtel, F. D.

    1971-01-01

    The Apollo Telescope Mount's thermal systems unit was utilized to conduct a full-scale thermal vacuum test to verify the thermal design and the analytical techniques used to develop the thermal mathematical models. Thermal vacuum test philosophy, test objectives configuration, test monitoring, environment simulation, vehicle test performance, and data correlation are discussed. Emphasis is placed on planning and execution of the thermal vacuum test with particular attention on problems encountered in conducting a test of this maguitude.

  2. Apollo Lunar Sample Photographs: Digitizing the Moon Rock Collection

    Science.gov (United States)

    Lofgren, Gary E.; Todd, Nancy S.; Runco, S. K.; Stefanov, W. L.

    2011-01-01

    The Acquisition and Curation Office at JSC has undertaken a 4-year data restoration project effort for the lunar science community funded by the LASER program (Lunar Advanced Science and Exploration Research) to digitize photographs of the Apollo lunar rock samples and create high resolution digital images. These sample photographs are not easily accessible outside of JSC, and currently exist only on degradable film in the Curation Data Storage Facility

  3. Astronaut Alan Shepard during Apollo 14 EVA on the moon

    Science.gov (United States)

    1971-01-01

    Astronaut Alan B. Shepard Jr., Apollo 14 commander, stands by the deployed U.S. flag on the lunar surface during the early moments of the first extravehicular activity (EVA-1) of the mission. Shadows of the Lunar Module, Astronaut Edgar D. Mitchell, lunar module pilot, and the erectabel S-band Antenna surround the scene of the third flag implanting to be performed on the lunar surface.

  4. Apollo 11 astronaut Neil Armstrong suits up before launch

    Science.gov (United States)

    1969-01-01

    Apollo 11 Commander Neil Armstrong prepares to put on his helmet with the assistance of a spacesuit technician during suiting operations in the Manned Spacecraft Operations Building (MSOB) prior to the astronauts' departure to Launch Pad 39A. The three astronauts, Edwin E. Aldrin Jr., Neil A Armstrong and Michael Collins, will then board the Saturn V launch vehicle, scheduled for a 9:32 a.m. EDT liftoff, for the first manned lunar landing mission.

  5. Apollo 11 astronaut Neil Armstrong looks over flight plans

    Science.gov (United States)

    1969-01-01

    Apollo 11 Commander Neil Armstrong is looking over flight plans while being assisted by a spacesuit technician during suiting operations in the Manned Spacecraft Operations Building (MSOB) prior to the astronauts' departure to Launch Pad 39A. The three astronauts, Edwin E. Aldrin Jr., Neil A. Armstrong and Michael Collins will then board the Saturn V launch vehicle, scheduled for a 9:32 a.m. EDT liftoff, for the first manned lunar landing mission.

  6. Apollo 11 Cmdr Neil Armstrong watches STS-83 launch

    Science.gov (United States)

    1997-01-01

    Apollo 11 Commander Neil A. Armstrong and his wife, Carol, were among the many special NASA STS-83 launch guests who witnessed the liftoff of the Space Shuttle Columbia April 4 at the Banana Creek VIP Viewing Site at KSC. Columbia took off from Launch Pad 39A at 2:20:32 p.m. EST to begin the 16-day Microgravity Science Laboratory-1 (MSL-1) mission.

  7. Documentation of CATHENA input files for the APOLLO computer

    International Nuclear Information System (INIS)

    1988-06-01

    Input files created for the VAX version of the CATHENA two-fluid code have been modified and documented for simulation on the AECB's APOLLO computer system. The input files describe the RD-14 thermalhydraulic loop, the RD-14 steam generator, the RD-12 steam generator blowdown test facility, the Stern Laboratories Cold Water Injection Facility (CWIT), and a CANDU 600 reactor. Sample CATHENA predictions are given and compared with experimental results where applicable. 24 refs

  8. Apollo 17: One giant step toward understanding the tectonic evolution of the Moon

    Science.gov (United States)

    Sharpton, Virgil L.

    1992-01-01

    Our present understanding of the tectonic history of the Moon has been shaped in large measure by the Apollo Program, and particularly the Apollo 17 Mission. I attempt to summarize some of the interpretations that have emerged since Apollo 17, focusing on some of the problems and uncertainties that remain to stimulate future exploration of the Moon. The topics covered include: (1) Taurus-Littrow Valley; (2) origin of mare ridges; and (3) nature and timing of tectonic rille formation.

  9. Vertical view of Apollo 16 landing site located Descartes area lunar nearside

    Science.gov (United States)

    1971-01-01

    A vertical view of the Apollo 16 landing site located in the Descartes area lunar nearside. The overlay indicates the location of the proposed touchdown point for the Apollo 16 Lunar Module. Descartes is located west of the Sea of Nectar and southwest of the Sea of Tranquility. This photograph was taken with a 500mm lens camera from lunar orbit by the Apollo 14 crew.

  10. Apollo 11 Astronaut Edwin Aldrin Prepares for Weightless Conditions

    Science.gov (United States)

    1969-01-01

    In preparation of the nation's first lunar landing mission, Apollo 11 crew members underwent training to practice activities they would be performing during the mission. In this photograph, astronaut Edwin E. Aldrin, donned in his space suit, gets in more time under weightless conditions aboard a KC-135 aircraft from the Wright-Patterson Air Force Base. The Apollo 11 mission launched from the Kennedy Space Center (KSC) in Florida via the Marshall Space Flight Center (MSFC) developed Saturn V launch vehicle on July 16, 1969 and safely returned to Earth on July 24, 1969. Aboard the space craft were astronauts Neil A. Armstrong, commander; Michael Collins, Command Module (CM) pilot; and Edwin E. (Buzz) Aldrin Jr., Lunar Module (LM) pilot. The CM, 'Columbia', piloted by Collins, remained in a parking orbit around the Moon while the LM, 'Eagle'', carrying astronauts Armstrong and Aldrin, landed on the Moon. On July 20, 1969, Armstrong was the first human to ever stand on the lunar surface, followed by Aldrin. During 2½ hours of surface exploration, the crew collected 47 pounds of lunar surface material for analysis back on Earth. With the success of Apollo 11, the national objective to land men on the Moon and return them safely to Earth had been accomplished.

  11. Apollo 11 Astronaut Aldrin Carries Equipment on Lunar Surface

    Science.gov (United States)

    1969-01-01

    The first manned lunar landing mission, Apollo 11, launched from the Kennedy Space Center (KSC) in Florida via the Marshall Space Flight Center (MSFC) developed Saturn V launch vehicle on July 16, 1969 and safely returned to Earth on July 24, 1969. Aboard the space craft were astronauts Neil A. Armstrong, commander; Michael Collins, Command Module (CM) pilot; and Edwin E. (Buzz) Aldrin Jr., Lunar Module (LM) pilot. The CM, piloted by Michael Collins, remained in a parking orbit around the Moon, while the LM, named 'Eagle'', carrying astronauts Armstrong and Aldrin, landed on the Moon in the Sea of Tranquility. During 2½ hours of surface exploration, the crew set up experiments, collected 47 pounds of lunar surface material for analysis back on Earth, planted the U.S Flag, and left a message for all mankind. In this photograph, Aldrin walks past some rocks, easily carrying scientific equipment which would have been too heavy to carry on Earth. The two packages made up the Early Apollo Scientific Experiment Package (EASEP) on Apollo 11. On the left is the Passive Seismic Experiment Package (PSEP) and on the right is the Laser Ranging Retroreflector (LRR).

  12. Apollo 11 Astronaut Neil Armstrong Performs Ladder Practice

    Science.gov (United States)

    1969-01-01

    In preparation of the nation's first Lunar landing mission, Apollo 11 crew members underwent training activities to practice activities they would be performing during the mission. In this photograph, Neil Armstrong, donned in his space suit, practices getting back to the first rung of the ladder on the Lunar Module (LM). The Apollo 11 mission launched from the Kennedy Space Center (KSC) in Florida via the Marshall Space Flight Center (MSFC) developed Saturn V launch vehicle on July 16, 1969 and safely returned to Earth on July 24, 1969. Aboard the space craft were astronauts Neil A. Armstrong, commander; Michael Collins, Command Module (CM) pilot; and Edwin E. (Buzz) Aldrin Jr., Lunar Module (LM) pilot. The CM, 'Columbia', piloted by Collins, remained in a parking orbit around the Moon while the LM, 'Eagle'', carrying astronauts Armstrong and Aldrin, landed on the Moon. On July 20, 1969, Armstrong was the first human to ever stand on the lunar surface, followed by Aldrin. During 2½ hours of surface exploration, the crew collected 47 pounds of lunar surface material for analysis back on Earth. With the success of Apollo 11, the national objective to land men on the Moon and return them safely to Earth had been accomplished.

  13. Apollo 11 Astronaut Neil Armstrong Approaches Practice Helicopter

    Science.gov (United States)

    1969-01-01

    In preparation of the nation's first lunar landing mission, Apollo 11, crew members underwent training to practice activities they would be performing during the mission. In this photograph Neil Armstrong approaches the helicopter he flew to practice landing the Lunar Module (LM) on the Moon. The Apollo 11 mission launched from the Kennedy Space Center (KSC) in Florida via the Marshall Space Flight Center (MSFC) developed Saturn V launch vehicle on July 16, 1969 and safely returned to Earth on July 24, 1969. Aboard the space craft were astronauts Neil A. Armstrong, commander; Michael Collins, Command Module (CM) pilot; and Edwin E. (Buzz) Aldrin Jr., Lunar Module (LM) pilot. The CM, 'Columbia', piloted by Collins, remained in a parking orbit around the Moon while the LM, 'Eagle'', carrying astronauts Armstrong and Aldrin, landed on the Moon. On July 20, 1969, Armstrong was the first human to ever stand on the lunar surface, followed by Aldrin. During 2½ hours of surface exploration, the crew collected 47 pounds of lunar surface material for analysis back on Earth. With the success of Apollo 11, the national objective to land men on the Moon and return them safely to Earth had been accomplished

  14. BWR operation for life extension

    International Nuclear Information System (INIS)

    Stancavage, P.

    1987-01-01

    Most nuclear power plant life extension studies conducted to date focus on the technology, licensing, and economics of extended service life. The most significant factor in plant longevity, however, is proper operation and maintenance. This paper highlights the benefits of boiling water reactor (BWR) operation for life extension and discusses specific recommendations that will enhance the prospects for safe, reliable, and economic power production in the long term. The benefits of BWR operation for life extension include a lower cost of electric energy production, increased capacity and availability factors, a lower forced outage rate, and reduced occupational exposure to radiation. Operating experience and advanced in technology have provided a wealth of knowledge that can be used to develop specific recommendations for adding years to the expected life of BWR plants. This paper discusses key factors in operation for life extension

  15. Neil Armstrong gets round of applaus at Apollo 11 anniversary banquet.

    Science.gov (United States)

    1999-01-01

    Former Apollo 11 astronaut Neil A. Armstrong stands to a round of applause after being introduced at the anniversary banquet honoring the Apollo team, the people who made the entire lunar landing program possible. The banquet was held in the Apollo/Saturn V Center, part of the KSC Visitor Complex. This is the 30th anniversary of the Apollo 11 launch and moon landing, July 16 and July 20, 1969. Neil Armstrong was the first man to set foot on the moon. He appeared at the banquet with other former astronauts Edwin 'Buzz' Aldrin, Gene Cernan, Walt Cunningham and others.

  16. Apollo Lunar Sample Integration into Google Moon: A New Approach to Digitization

    Science.gov (United States)

    Dawson, Melissa D.; Todd, nancy S.; Lofgren, Gary E.

    2011-01-01

    The Google Moon Apollo Lunar Sample Data Integration project is part of a larger, LASER-funded 4-year lunar rock photo restoration project by NASA s Acquisition and Curation Office [1]. The objective of this project is to enhance the Apollo mission data already available on Google Moon with information about the lunar samples collected during the Apollo missions. To this end, we have combined rock sample data from various sources, including Curation databases, mission documentation and lunar sample catalogs, with newly available digital photography of rock samples to create a user-friendly, interactive tool for learning about the Apollo Moon samples

  17. Post-Coma Persons with Extensive Multiple Disabilities Use Microswitch Technology to Access Selected Stimulus Events or Operate a Radio Device

    Science.gov (United States)

    Lancioni, Giulio E.; Singh, Nirbhay N.; O'Reilly, Mark F.; Sigafoos, Jeff; Alberti, Gloria; Oliva, Doretta; Megna, Gianfranco; Iliceto, Carla; Damiani, Sabino; Ricci, Irene; Spica, Antonella

    2011-01-01

    The present two studies extended research evidence on the use of microswitch technology by post-coma persons with multiple disabilities. Specifically, Study I examined whether three adults with a diagnosis of minimally conscious state and multiple disabilities could use microswitches as tools to access brief, selected stimulus events. Study II…

  18. Appropriateness of Recommended Agricultural Water-Management Technologies as Perceived by the Personnel of Research and Extension System: A Study in the Eastern Region of India

    Science.gov (United States)

    Ghosh, Souvik; Verma, H. N.; Chandra, Dinesh; Nanda, P.

    2005-01-01

    The key to agricultural development in the eastern region of India, where problems of excess water and water scarcity coexist, is the scientific management of water resources with the adoption of recommended water-management technologies. A vast networking of infrastructure for the development and dissemination of water-management technologies…

  19. Programming Reactive Extensions and LINQ

    CERN Document Server

    Liberty, Jesse

    2011-01-01

    Pro Reactive Extensions and LINQ is a deep dive into the next important technology for .NET developers: Reactive Extensions. This in-depth tutorial goes beyond what is available anywhere else to teach how to write WPF, Silverlight, and Windows Phone applications using the Reactive Extensions (Rx) to handle events and asynchronous method calls. Reactive programming allows you to turn those aspects of your code that are currently imperative into something much more event-driven and flexible. For this reason, it's sometimes referred to as LINQ for Events. Reactive programming hinges on the concep

  20. How Apollo Flew to the Moon

    CERN Document Server

    Woods, W. David

    2008-01-01

    Out of the technological battlefield of World War II came a team of gifted German engineers and designers who developed the vengeance weapon, the V-2, which evolved into the peaceful, powerful Saturn V rocket to take men to the Moon. David Woods tells the exciting story, starting from America’s post war astronautical research facilities, that used the V-2 for the development of the robust, resilient and reliable Saturn V launcher. He describes the initial launches through manned orbital spaceflights, comprehensively detailing each step, including computer configuration, the role of ground control, trajectory planning, lunar orbiting, separation of the lander, walking and working on the Moon, retrieval of the lunar astronauts and returning to Earth in this massive technical accomplishment.

  1. Petrologic comparisons of Cayley and Descartes on the basis of Apollo 16 soils from stations 4 and 11

    Science.gov (United States)

    Basu, A.; Mckay, D. S.

    1984-01-01

    Petrologic aspects of the Cayley and Descartes formations are reviewed in the light of new data on Apollo 16 soils. Specific comparison of the modal abundances of lithic fragments in drive tube sample 64001/2 from the slopes of Stone Mountain (station 4) and in soil 67941 from the North Ray Crater rim (station 11) shows that melt rocks, especially poikilitic rocks, are more abundant at station 4 than at station 11; the reverse is true for fragmental breccias. Such lithologic differences suggest that stations 4 and 11 do not belong to the same geologic formation. Metamorphosed breccias are pervasive in both the formations and may represent a local component that has been reworked and diluted as fresh materials were added. Lithologic compositions inferred from the study of soil samples are different from lithologic compositions inferred from the study of rake samples or breccia clasts. This difference may be related to a mixing of material of different grain size distributions. The petrology of soils at the Apollo 16 site may not accurately reflect original material associated with either the Descartes or the Cayley formation because of extensive mixing with local material.

  2. Moon Exploration from "apollo" Magnetic and Gravity Field Data

    Science.gov (United States)

    Kharitonov, Andrey

    Recently, the great value is given to various researches of the Moon, as nearest nature satellite of the Earth, because there is preparation for forthcoming starts on the Moon of the American, European, Russian, Chinese, Indian new Orbiters and Landers. Designing of International Lu-nar bases is planned also. Therefore, in the near future the series of the questions connected with placing of International Lunar bases which coordinates substantially should to be connected with heterogeneity of the internal structure of the Moon can become especially interesting. If in the Moon it will be possible to find large congestions of water ice and those chemical elements which stocks in the Earth are limited this area of the Moon can become perspective for Inter-national Lunar bases. To solve a question of research of the deep structure of the Moon in the locations of International Lunar bases, competently, without excessive expenses for start new various under the form of the Lunar orbit of automatic space vehicles (polar, equatorial, inclined to the rotation axis) and their altitude of flight, which also not always were connected with investigation programs of measured fields (video observation, radio-frequency sounding, mag-netic, gravity), is possible if already from the available information of space vehicles APOLLO, SMART1, KAGUYA, LCROSS, LRO, CHANDRAYAAN-1, CHANG'E-1 it will be possible to analyse simultaneously some various fields, at different altitudes of measuring over the surface (20-300 km) of the Moon. The experimental data of the radial component magnetic field and gravity field the Moon measured at different altitudes, in its equatorial part have been analysed for the research of the deep structure of the Moon. This data has been received as a result of start of space vehicles -APOLLO-15 and APOLLO-16 (USA), and also the Russian space vehicles "LUNOHOD". Authors had been used the data of a magnetic field of the Moon at flight altitude 160, 100, 75, 30, 0 km

  3. A model for calculating expected performance of the Apollo unified S-band (USB) communication system

    Science.gov (United States)

    Schroeder, N. W.

    1971-01-01

    A model for calculating the expected performance of the Apollo unified S-band (USB) communication system is presented. The general organization of the Apollo USB is described. The mathematical model is reviewed and the computer program for implementation of the calculations is included.

  4. Parnassiana nova : XLVII. Neue Unterarten von Parnassius apollo L. und Parnassius mnemosyne L.

    NARCIS (Netherlands)

    Eisner, C.

    1974-01-01

    1. DREI NEUE PARNASSIUS APOLLO L. UNTERARTEN AUS SPANIEN Die Herren P. Capdeville und P. C. Rougeot haben in den letzten Jahren die verschiedenen Flugplätze von Parnassius apollo L. in Spanien aufgesucht und eine Anzahl neuer Unterarten aufgestellt. Die Kenntnis wird ergänzt durch die Beschreibung

  5. View of replica of plaque Apollo 12 astronauts will leave on the Moon

    Science.gov (United States)

    1969-01-01

    Close-up view of a replica of the plaque which the Apollo 12 astronauts will leave on the Moon in commemoration of their flight. The plaque will be attached to the ladder on the landing gear strut on the descent stage of the Apollo 12 Lunar Module.

  6. Artist's concept of eastward view of Apollo 16 Descartes landing site

    Science.gov (United States)

    1972-01-01

    An artist's concept illustrating an eastward view of the Apollo 16 Descartes landing site. The white overlay indicates the scheduled tranverses by the Apollo 16 astronauts in the Lunar Roving Vehicle. The Roman numerals are the extravehicular activities (EVA's); and the Arabic numbers are the station stops along the traverse.

  7. APOLLO SOYUZ TEST PROJECT [ASTP] CREW INSPECT SPACE SUITS DURING KSC TOUR

    Science.gov (United States)

    1975-01-01

    Cosmonaut Training Chief Vladimir Shatalov [left, looking down] examines an Apollo spacesuit during a visit to KSC. With Shatalov are Astronaut Donald Slayton [center] and Cosmonaut Aleksey Leonov. The Apollo Soyuz Test Project astronauts and cosmonauts spent three days in the KSC area during which time they inspected equipment and facilities, toured the Center and visited Disney World.

  8. Lunar heat flow: Regional prospective of the Apollo landing sites

    Science.gov (United States)

    Siegler, M. A.; Smrekar, S. E.

    2014-01-01

    reexamine the Apollo Heat Flow Experiment in light of new orbital data. Using three-dimensional thermal conduction models, we examine effects of crustal thickness, density, and radiogenic abundance on measured heat flow values at the Apollo 15 and 17 sites. These models show the importance of regional context on heat flux measurements. We find that measured heat flux can be greatly altered by deep subsurface radiogenic content and crustal density. However, total crustal thickness and the presence of a near-surface radiogenic-rich ejecta provide less leverage, representing only minor (<1.5 mW m-2) perturbations on surface heat flux. Using models of the crust implied by Gravity Recovery and Interior Laboratory results, we found that a roughly 9-13 mW m-2 mantle heat flux best approximate the observed heat flux. This equates to a total mantle heat production of 2.8-4.1 × 1011 W. These heat flow values could imply that the lunar interior is slightly less radiogenic than the Earth's mantle, perhaps implying that a considerable fraction of terrestrial mantle material was incorporated at the time of formation. These results may also imply that heat flux at the crust-mantle boundary beneath the Procellarum potassium, rare earth element, and phosphorus (KREEP) Terrane (PKT) is anomalously elevated compared to the rest of the Moon. These results also suggest that a limited KREEP-rich layer exists beneath the PKT crust. If a subcrustal KREEP-rich layer extends below the Apollo 17 landing site, required mantle heat flux can drop to roughly 7 mW m-2, underlining the need for future heat flux measurements outside of the radiogenic-rich PKT region.

  9. SGN III code conversion from Apollo to HP

    International Nuclear Information System (INIS)

    Lee, Hae Cho

    1996-04-01

    SGN III computer code is used to analyze transient behavior of reactor coolant system, pressurizer and steam generators in the event of main steam line break (MSLB), and to calculate mass and energy release for containment design. This report firstly describes detailed work carried out for installation of SFN III on Apollo DN 10000 and code validation results after installation. Secondly, a series of work is also describes in relation to installation of SGN III on HP 9000/700 series as well as relevant code validation results. Attached is a report on software verification and validation results. 8 refs. (Author) .new

  10. CONTRANS 2 code conversion from Apollo to HP

    International Nuclear Information System (INIS)

    Lee, Hae Cho

    1996-01-01

    CONTRANS2 computer code is used to calculate transient thermal hydraulic responses of containment building to loss of coolant and main steam line break accident. Mass and energy release to the containment following an accident are code inputs. This report firstly describes detailed work carried out for installation of CONTRANS2 on Apollo DN10000 and code validation results after installation. Secondly, A series of work is also describes in relation to installation of CONTRANS2 on HP 9000/700 series as well as relevant code validation results. Attached is a report on software verification and validation results. 7 refs. (Author) .new

  11. Apollo 16 exploration of Descartes - A geologic summary.

    Science.gov (United States)

    1973-01-01

    The Cayley Plains at the Apollo 16 landing site consist of crudely stratified breccias to a depth of at least 200 meters, overlain by a regolith 10 to 15 meters thick. Samples, photographs, and observations by the astronauts indicate that most of the rocks are impact breccias derived from an anorthosite-gabbro complex. The least brecciated members of the suite include coarse-grained anorthosite and finer-grained, more mafic rocks, some with igneous and some with metamorphic textures. Much of the transverse area is covered by ejecta from North Ray and South Ray craters, but the abundance of rock fragments increases to the south toward the younger South Ray crater.

  12. SGN III code conversion from Apollo to HP

    Energy Technology Data Exchange (ETDEWEB)

    Lee, Hae Cho [Korea Atomic Energy Research Institute, Taejon (Korea, Republic of)

    1996-04-01

    SGN III computer code is used to analyze transient behavior of reactor coolant system, pressurizer and steam generators in the event of main steam line break (MSLB), and to calculate mass and energy release for containment design. This report firstly describes detailed work carried out for installation of SFN III on Apollo DN 10000 and code validation results after installation. Secondly, a series of work is also describes in relation to installation of SGN III on HP 9000/700 series as well as relevant code validation results. Attached is a report on software verification and validation results. 8 refs. (Author) .new.

  13. The Lunar Potential Determination Using Apollo-Era Data and Modern Measurements and Models

    Science.gov (United States)

    Collier, Michael R.; Farrell, William M.; Espley, Jared; Webb, Phillip; Stubbs, Timothy J.; Webb, Phillip; Hills, H. Kent; Delory, Greg

    2008-01-01

    Since the Apollo era the electric potential of the Moon has been a subject of interest and debate. Deployed by three Apollo missions, Apollo 12, Apollo 14 and Apollo 15, the Suprathermal Ion Detector Experiment (SIDE) determined the sunlit lunar surface potential to be about +10 Volts using the energy spectra of lunar ionospheric thermal ions accelerated toward the Moon. More recently, the Lunar Prospector (LP) Electron Reflectometer used electron distributions to infer negative lunar surface potentials, primarily in shadow. We will present initial results from a study to combine lunar surface potential measurements from both SIDE and the LP/Electron Reflectometer to calibrate an advanced model of lunar surface charging which includes effects from the plasma environment, photoemission, secondaries ejected by ion impact onto the lunar surface, and the lunar wake created downstream by the solar wind-lunar interaction.

  14. Indigenous Carbon Embedded in Apollo 17 Black Volcanic Glass Surface Deposits

    Science.gov (United States)

    Thomas-Keprta, Kathie L.; Ross, D. K.; Le, L.; Gonzalez, C.; McKay, D. S.; Gibson, E. K.

    2012-01-01

    The assessment of indigenous organic matter in returned lunar samples was one of the primary scientific goals of the Apollo program. The levels of such organic material were expected to be and found to be small. Previous work on this topic includes Murphy et al. [1] who reported the presence of anthropogenic organics with sub-ppm concentrations in Apollo 11 fines. In Apollo 12 samples, Preti et al. [2] detected low levels, indigenous carbon ranging from 5-20 g/g in the form of metal carbides in Apollo 11 fines. Hare et al. [7] reported amino acids at he 50 ng/g level in Apollo 11 samples but suggested the results may be explained as contamination. More recently, Clemett et al. [8] reported simple polycyclic aromatic hydrocarbons at concentrations of indigenous signature from background contamination [9].

  15. Global Approaches to Extension Practice: A Journal of Agricultural ...

    African Journals Online (AJOL)

    Global Approaches to Extension Practice (GAEP), A publication of the Department of Agricultural Extension, Federal University of Technology, Owerri, Imo State, Nigeria is an international journal which considers articles from all areas of Agricultural Extension: rural sociology, environmental extension, extension ...

  16. Technology.

    Science.gov (United States)

    Online-Offline, 1998

    1998-01-01

    Focuses on technology, on advances in such areas as aeronautics, electronics, physics, the space sciences, as well as computers and the attendant progress in medicine, robotics, and artificial intelligence. Describes educational resources for elementary and middle school students, including Web sites, CD-ROMs and software, videotapes, books,…

  17. Sociologists in Extension

    Science.gov (United States)

    Christenson, James A.; And Others

    1977-01-01

    The article describes the work activities of the extension sociologist, the relative advantage and disadvantage of extension roles in relation to teaching/research roles, and the relevance of sociological training and research for extension work. (NQ)

  18. An extension of technology acceptance model to determine factors that influence the intention to use electronic collection system in Nigerian federal hospitals

    Science.gov (United States)

    Kabir, Muhammad Auwal; Saidin, Siti Zabedah; Ahmi, Aidi

    2017-10-01

    The aim of this paper is to develop a conceptual framework that would be used in determining the factors that influence the behavioral intention to use electronic collection system in federal government owned hospitals in Nigeria. The framework is supported by Technology Acceptance Model (TAM) as the underlying theory of the study. Past literature on individual user intention were thoroughly reviewed and found that TAM is fit appropriate in explaining the phenomenon under study. Based on the reviewed literature, it is expected that perceived usefulness and perceived ease of use will influence the intention of users (employees) to use e-collection system in the performance of their job tasks in Nigerian federal hospitals. In other words, users with higher perception on the system's usefulness and its ease of use are more likely to express their interest and willingness to use the system. In addition, the study has extended TAM with facilitating conditions construct and the research is expected to discover the level of its influence on behavioral intention to use e-collection system.

  19. U.S. Tsunami Information technology (TIM) Modernization:Developing a Maintainable and Extensible Open Source Earthquake and Tsunami Warning System

    Science.gov (United States)

    Hellman, S. B.; Lisowski, S.; Baker, B.; Hagerty, M.; Lomax, A.; Leifer, J. M.; Thies, D. A.; Schnackenberg, A.; Barrows, J.

    2015-12-01

    Tsunami Information technology Modernization (TIM) is a National Oceanic and Atmospheric Administration (NOAA) project to update and standardize the earthquake and tsunami monitoring systems currently employed at the U.S. Tsunami Warning Centers in Ewa Beach, Hawaii (PTWC) and Palmer, Alaska (NTWC). While this project was funded by NOAA to solve a specific problem, the requirements that the delivered system be both open source and easily maintainable have resulted in the creation of a variety of open source (OS) software packages. The open source software is now complete and this is a presentation of the OS Software that has been funded by NOAA for benefit of the entire seismic community. The design architecture comprises three distinct components: (1) The user interface, (2) The real-time data acquisition and processing system and (3) The scientific algorithm library. The system follows a modular design with loose coupling between components. We now identify the major project constituents. The user interface, CAVE, is written in Java and is compatible with the existing National Weather Service (NWS) open source graphical system AWIPS. The selected real-time seismic acquisition and processing system is open source SeisComp3 (sc3). The seismic library (libseismic) contains numerous custom written and wrapped open source seismic algorithms (e.g., ML/mb/Ms/Mwp, mantle magnitude (Mm), w-phase moment tensor, bodywave moment tensor, finite-fault inversion, array processing). The seismic library is organized in a way (function naming and usage) that will be familiar to users of Matlab. The seismic library extends sc3 so that it can be called by the real-time system, but it can also be driven and tested outside of sc3, for example, by ObsPy or Earthworm. To unify the three principal components we have developed a flexible and lightweight communication layer called SeismoEdex.

  20. Apollo 11 Astronaut Aldrin Arrives For Launch Activities

    Science.gov (United States)

    1969-01-01

    The Apollo 11 mission, the first manned lunar mission, launched from the Kennedy Space Center, Florida via the Marshall Space Flight Center (MSFC) developed Saturn V launch vehicle on July 16, 1969 and safely returned to Earth on July 24, 1969. Aboard the space craft were astronauts Neil A. Armstrong, commander; Michael Collins, Command Module (CM) pilot; and Edwin E. Aldrin Jr., Lunar Module (LM) pilot. The CM, piloted by Michael Collins remained in a parking orbit around the Moon while the LM, named 'Eagle'', carrying astronauts Neil Armstrong and Edwin Aldrin, landed on the Moon. During 2½ hours of surface exploration, the crew collected 47 pounds of lunar surface material for analysis back on Earth. With the success of Apollo 11, the national objective to land men on the Moon and return them safely to Earth had been accomplished. This photograph of Edwin (Buzz) Aldrin was taken upon his arrival at the Flight Crew Training building at the NASA Kennedy Space Center (KSC) a few days prior to launch.

  1. Quarantined Apollo 11 Astronaut Aldrin Speaks With Wife Joan

    Science.gov (United States)

    1969-01-01

    The Apollo 11 mission, the first manned lunar mission, launched from the Kennedy Space Center, Florida via the Marshall Space Flight Center (MSFC) developed Saturn V launch vehicle on July 16, 1969 and safely returned to Earth on July 24, 1969. Aboard the space craft were astronauts Neil A. Armstrong, commander; Michael Collins, Command Module (CM) pilot; and Edwin E. (Buzz) Aldrin Jr., Lunar Module (LM) pilot. The CM, piloted by Michael Collins remained in a parking orbit around the Moon while the LM, named 'Eagle'', carrying astronauts Neil Armstrong and Edwin Aldrin, landed on the Moon. During 2½ hours of surface exploration, the crew collected 47 pounds of lunar surface material for analysis back on Earth. The recovery operation took place in the Pacific Ocean where Navy para-rescue men recovered the capsule housing the 3-man Apollo 11 crew. The crew was airlifted to safety aboard the U.S.S. Hornet, where they were quartered in a Mobile Quarantine Facility (MQF) which served as their home until they reached the NASA Manned Spacecraft Center (MSC) Lunar Receiving Laboratory in Houston, Texas. On arrival at Ellington Air Force base near the MSC, the crew, still under a 21 day quarantine in the MQF, were greeted by their wives. Pictured here is Joan Aldrin, wife of Buzz Aldrin, speaking with her husband via telephone patch.

  2. An absolute calibration system for millimeter-accuracy APOLLO measurements

    Science.gov (United States)

    Adelberger, E. G.; Battat, J. B. R.; Birkmeier, K. J.; Colmenares, N. R.; Davis, R.; Hoyle, C. D.; Huang, L. R.; McMillan, R. J.; Murphy, T. W., Jr.; Schlerman, E.; Skrobol, C.; Stubbs, C. W.; Zach, A.

    2017-12-01

    Lunar laser ranging provides a number of leading experimental tests of gravitation—important in our quest to unify general relativity and the standard model of physics. The apache point observatory lunar laser-ranging operation (APOLLO) has for years achieved median range precision at the  ∼2 mm level. Yet residuals in model-measurement comparisons are an order-of-magnitude larger, raising the question of whether the ranging data are not nearly as accurate as they are precise, or if the models are incomplete or ill-conditioned. This paper describes a new absolute calibration system (ACS) intended both as a tool for exposing and eliminating sources of systematic error, and also as a means to directly calibrate ranging data in situ. The system consists of a high-repetition-rate (80 MHz) laser emitting short (work on model capabilities. The ACS provides the means to deliver APOLLO data both accurate and precise below the 2 mm level.

  3. Apollo 11 Astronaut Neil Armstrong During Lunar Rock Collection Training

    Science.gov (United States)

    1969-01-01

    In this photograph, Apollo 11 astronaut Neil A. Armstrong uses a geologist's hammer in selecting rock specimens during a geological field trip to the Quitman Mountains area near the Fort Quitman ruins in far west Texas. Armstrong, alongside astronaut Edwin (Buzz) Aldrin, practiced gathering rock specimens using special lunar geological tools in preparation for the first Lunar landing. Mission was accomplished in July of the same year. Aboard the Marshall Space Fight center (MSFC) developed Saturn V launch vehicle, the Apollo 11 mission launched from The Kennedy Space Center, Florida on July 16, 1969 and safely returned to Earth on July 24, 1969. The 3-man crew aboard the flight consisted of Armstrong, commander; Aldrin, Lunar Module pilot; and a third astronaut Michael Collins, Command Module pilot. Armstrong was the first human to ever stand on the lunar surface, followed by Aldrin, while Collins remained in lunar orbit. The crew collected 47 pounds of lunar surface material which was returned to Earth for analysis. The lunar surface exploration was concluded in 2½ hours.

  4. Technology

    Directory of Open Access Journals (Sweden)

    Xu Jing

    2016-01-01

    Full Text Available The traditional answer card reading method using OMR (Optical Mark Reader, most commonly, OMR special card special use, less versatile, high cost, aiming at the existing problems proposed a method based on pattern recognition of the answer card identification method. Using the method based on Line Segment Detector to detect the tilt of the image, the existence of tilt image rotation correction, and eventually achieve positioning and detection of answers to the answer sheet .Pattern recognition technology for automatic reading, high accuracy, detect faster

  5. Examining eXtension: Diffusion, Disruption, and Adoption among Iowa State University Extension and Outreach Professionals

    Science.gov (United States)

    Taylor, Cayla; Miller, Greg

    2016-01-01

    As eXtension unveils its new membership model, Iowa State University Extension and Outreach must determine how best to support professionals and clientele using the technology. This article reports on a study that used the diffusion of innovations and disruptive innovation theories to assess Iowa Extension professionals' adoption and perceptions…

  6. Success Factors in Human Space Programs - Why Did Apollo Succeed Better Than Later Programs?

    Science.gov (United States)

    Jones, Harry W.

    2015-01-01

    The Apollo Program reached the moon, but the Constellation Program (CxP) that planned to return to the moon and go on to Mars was cancelled. Apollo is NASA's greatest achievement but its success is poorly understood. The usual explanation is that President Kennedy announced we were going to the moon, the scientific community and the public strongly supported it, and Congress provided the necessary funding. This is partially incorrect and does not actually explain Apollo's success. The scientific community and the public did not support Apollo. Like Apollo, Constellation was announced by a president and funded by Congress, with elements that continued on even after it was cancelled. Two other factors account for Apollo's success. Initially, the surprise event of Uri Gagarin's first human space flight created political distress and a strong desire for the government to dramatically demonstrate American space capability. Options were considered and Apollo was found to be most effective and technically feasible. Political necessity overrode both the lack of popular and scientific support and the extremely high cost and risk. Other NASA human space programs were either canceled, such as the Space Exploration Initiative (SEI), repeatedly threatened with cancellation, such as International Space Station (ISS), or terminated while still operational, such as the space shuttle and even Apollo itself. Large crash programs such as Apollo are initiated and continued if and only if urgent political necessity produces the necessary political will. They succeed if and only if they are technically feasible within the provided resources. Future human space missions will probably require gradual step-by-step development in a more normal environment.

  7. New seismic events identified in the Apollo lunar data by application of a Hidden Markov Model

    Science.gov (United States)

    Knapmeyer-Endrun, B.; Hammer, C.

    2015-10-01

    The Apollo astronauts installed seismic stations on the Moon during Apollo missions 11, 12, 14, 15 and 16. The stations consisted of a three-component long- period seismometer (eigenperiod 15 s) and a vertical short-period sensor (eigenperiod 1 s). Until today, the Apollo seismic network provides the only confirmed recordings of seismic events from any extrater-restrial. The recorded event waveforms differ significantly from what had been expected based on Earth data, mainly by their long duration body wave codas caused by strong near-surface scattering and weak attenuation due to lack of fluids. The main lunar event types are deep moonquakes, impacts, and the rare shallow moonquakes.

  8. Neil Armstrong talks of his experiences at Apollo 11 anniversary banquet

    Science.gov (United States)

    1999-01-01

    Neil Armstrong, former Apollo 11 astronaut, and first man to walk on the moon, talks about his experiences for an enthusiastic audience at the Apollo/Saturn V Center, part of the KSC Visitor Complex. The occasion was a banquet celebrating the 30th anniversary of the Apollo 11 launch and moon landing, July 16 and July 20, 1969. Among other guests at the banquet were astronauts Wally Schirra, Edwin 'Buzz' Aldrin and Walt Cunningham. Gene Cernan was the last man to walk on the moon.

  9. Rare-gas analyses on neutron irradiated Apollo 12 samples.

    Science.gov (United States)

    Alexander, E. C., Jr.; Davis, P. K.; Reynolds, J. H.

    1972-01-01

    Argon, krypton, and xenon from stepwise heating of five Apollo 12 rocks that had been irradiated to a neutron fluence of about 10 to the 19th neutrons/sq cm were analyzed mass-spectrometrically. The Ar40-Ar39 ages were determined and range from 3.18 plus or minus 0.06 x 10 to the 9th years to 3.32 plus or minus 0.06 x 10 to the 9th years. Trace elements Ba, Br, I, and U were measured via the neutron-induced reactions that produce isotopes of krypton and xenon. The following concentration ranges were observed: Ba, 46 to 70 ppm; Br, 48 to 146 ppb; I, 16 to 73 ppb; and U, 170 to 247 ppb.

  10. Zirconium rutile from Apollo 16 rake sample 60615,1

    International Nuclear Information System (INIS)

    Nehru, C.E.

    1976-01-01

    A TiO 2 -rich phase containing up to 6 wt% of ZrO 2 from the Apollo 16 rake sample 60615,1 is reported and tentatively referred to as zirconium rutile. Electron microprobe analyses of the mineral and other phases present in the rock are given. The hexagonal close packed structure of rutile has all its sites occupied and when cations other than Ti are present they are in stoichiometric mixed valence solid solution. Armalcolite present in the same rock contains as much ZrO 2 as does the rutile but the ilmenite contains no zirconium. Zirconium is preferentially present in the rutile and armalcolite structures but it is absent in ilmenite. (auth.)

  11. Spaceflight revolution: NASA Langley Research Center from Sputnik to Apollo

    Science.gov (United States)

    Hansen, James R.

    1995-01-01

    As part of the transition to the broad research scope of the National Aeronautics and Space Administration (NASA) starting in the late 1950's, the Langley Research Center underwent many changes in program content, organization and management, and areas of personnel expertise. This book describes and evaluates the evolution and activities of the Langley Research Center during the seventeen-year period from 1958 to 1975. The book was based on the analysis of hundreds of written records, both published and unpublished, as well as numerous personal interviews with many of the key individuals involved in the transition of Langley. Some of the projects and research areas covered include Project Echo, magnetoplasmadynamics research, Scout Rocket Program, lunar-orbit rendezvous research, manned space laboratory development, and Apollo and the Lunar Orbiter Project.

  12. Laser Ar-39-Ar-40 study of Apollo 17 basalts

    Science.gov (United States)

    Schaeffer, O. A.; Mueller, H. W.; Grove, T. L.

    1977-01-01

    Three Apollo 17 basalts were studied by the laser Ar-39-Ar-40 method. The 70215 basalt has a normal well-behaved Ar-39-Ar-40 release pattern; the 70017 basalt has a disturbed release pattern which indicates a limited intermediate maximum age followed by a broad low-age region; and the 75035 basalt has a pattern initially similar to 70017 that is followed by a high-temperature maximum age. The laser study shows that all mineral systems in 70215 have small and uniform temperature losses, while the laser-determined ages for 70017 and 75035 are, apparently, primarily controlled by the minerals containing mesostasis inclusions. It is possible that the drop in ages observed by the conventional Ar-39-Ar-40 method was due not only to recoil of Ar-39 during neutron irradiation but also to gas loss from some minerals. It is suggested that the plagioclases are the best minerals to use for a reliable age.

  13. NDE and plant life extension

    International Nuclear Information System (INIS)

    Liu, S.N.; Ammirato, F.V.; Nottingham, L.D.

    1991-01-01

    Component life extension is the process of making run-repair-replace decisions for plant components and includes a thorough analysis of the capability of the component to perform throughout the projected lifetime. For many critical plant components, nondestructive evaluation (NDE) is essential in determining whether the component can be operated safely and economically in the extended life period and to help utilities determine safe and economic inspection intervals. NDE technology is required for not only detecting defects that could grow to a size of concern during extended lifetimes, but also will be called upon to measure and monitor accumulating material degradation that strongly affects component reliability. This paper discusses the role of NDE in life extension by reviewing three examples--a reactor pressure vessel, steam turbine-generator rotors, and generator retaining rings. In each example, the contribution of NDE to life extension decisions is described. (author)

  14. assessment of extension agents' communication methods

    African Journals Online (AJOL)

    USER

    ABSTRACT. The need to improve aquaculture production through enhanced technology transfer necessitated this study to assess extension agents' use of communication methods and its impact on linkage. A structured questionnaire was administered to 44 extension agents who were randomly selected from Lagos State ...

  15. Examining Volcanic Terrains Using In Situ Geochemical Technologies; Implications for Planetary Field Geology

    Science.gov (United States)

    Young, K. E.; Bleacher, J. E.; Evans, C. A.; Rogers, A. D.; Ito, G.; Arzoumanian, Z.; Gendreau, K.

    2015-01-01

    Regardless of the target destination for the next manned planetary mission, the crew will require technology with which to select samples for return to Earth. The six Apollo lunar surface missions crews had only the tools to enable them to physically pick samples up off the surface or from a boulder and store those samples for return to the Lunar Module and eventually to Earth. Sample characterization was dependent upon visual inspection and relied upon their extensive geology training. In the four decades since Apollo however, great advances have been made in traditionally laboratory-based instrument technologies that enable miniaturization to a field-portable configuration. The implications of these advancements extend past traditional terrestrial field geology and into planetary surface exploration. With tools that will allow for real-time geochemical analysis, an astronaut can better develop a series of working hypotheses that are testable during surface science operations. One such technology is x-ray fluorescence (XRF). Traditionally used in a laboratory configuration, these instruments have now been developed and marketed commercially in a field-portable mode. We examine this technology in the context of geologic sample analysis and discuss current and future plans for instrument deployment. We also discuss the development of the Chromatic Mineral Identification and Surface Texture (CMIST) instrument at the NASA Goddard Space Flight Center (GSFC). Testing is taking place in conjunction with the RIS4E (Remote, In Situ, and Synchrotron Studies for Science and Exploration) SSERVI (Solar System Exploration and Research Virtual Institute) team activities, including field testing at Kilauea Volcano, HI..

  16. Apollo 11 astronaut Buzz Aldrin suits up for Countdown Demonstration Test

    Science.gov (United States)

    1969-01-01

    Apollo 11 Lunar Module Pilot Edwin E. Aldrin Jr. relaxes after suiting up to participate in a space vehicle Countdown Demonstration Test with Astronauts Neil A. Armstrong and Michael Collins. They will be launched on a lunar landing mission.

  17. Full disc of moon photographed by Apollo 17 crewmen during transearth coast

    Science.gov (United States)

    1972-01-01

    This full disc of the moon was photographed by the Apollo 17 crewmen during their transearth coast homeward following a successful lunar landing mission in December 1972. Mare seen on this photo include Serentatis, Tranquillitatis, Nectaris, Foecunditatis and Crisium.

  18. APOLLO 16 XRFS LUNAR SURFACE X-RAY COUNTS V1.0

    Data.gov (United States)

    National Aeronautics and Space Administration — This dataset contains two tables of time-ordered, raw event count rates acquired by the Apollo 16 X-Ray Fluorescence Spectrometer from 20 April to 24 April 1972...

  19. APOLLO 15 XRFS LUNAR SURFACE X-RAY COUNTS V1.0

    Data.gov (United States)

    National Aeronautics and Space Administration — This dataset contains two tables of time-ordered, raw event count rates acquired by the Apollo 15 X-Ray Fluorescence Spectrometer from 30 July to 4 August 1971...

  20. APOLLO 15 HEAT FLOW THERMAL CONDUCTIVITY RDR SUBSAMPLED V1.0

    Data.gov (United States)

    National Aeronautics and Space Administration — This data set comprises a reduced, subsampled set of the data returned from the Apollo 15 Heat Flow Experiment from 31 July 1971 through 31 December 1974. The...

  1. APOLLO 17 HEAT FLOW THERMAL CONDUCTIVITY RDR SUBSAMPLED V1.0

    Data.gov (United States)

    National Aeronautics and Space Administration — This data set comprises a reduced, subsampled set of the data returned from the Apollo 17 Heat Flow Experiment from 12 December 1972 through 31 December 1974. The...

  2. Portrait of Astronaut Neil A. Armstrong, commander of Apollo 11 mission

    Science.gov (United States)

    1969-01-01

    Portrait of Astronaut Neil A. Armstrong, commander of the Apollo 11 Lunar Landing mission in his space suit, with his helmet on the table in front of him. Behind him is a large photograph of the lunar surface.

  3. View of the plaque to be left on the moon by the Apollo 17 astronauts

    Science.gov (United States)

    1972-01-01

    View of the plaque to be left at the Taurus-Littrow lunar landing site by the Apollo 17 astronauts. The commemorative plaque is made of stainless steel measuring nine by seven by five-eighths inches and one-sixteenth inch thick. It is attached to the ladder on the landing gear strut on the descent stage of the Apollo 17 Lunar Module 'Challenger'.

  4. Engineering aspects of the experiment and results of animal tests. [Apollo 17 Biological Cosmic Ray Experiment

    Science.gov (United States)

    Look, B. C.; Tremor, J. W.; Barrows, W. F.; Zabower, H. R.; Suri, K.; Park, E. G., Jr.; Durso, J. A.; Leon, H. A.; Haymaker, W.; Lindberg, R. G.

    1975-01-01

    A closed passive system independent of support from the spacecraft or its crew was developed to house five pocket mice for their flight on Apollo XVII. The reaction of potassium superoxide with carbon dioxide and water vapor to produce oxygen provided a habitable atmosphere within the experiment package. The performance of the system and the ability of the mice to survive the key preflight tests gave reasonable assurance that the mice would also withstand the Apollo flight.-

  5. Flight feeding systems design and evaluation. Supplement 1: Production guides. [for the Apollo food system

    Science.gov (United States)

    1973-01-01

    The requirements for processing, packaging, testing, and shipment of foods selected for use in the Apollo food system are presented. Specific foodstuffs chosen from the following categories are discussed: (1) soups; (2) juices; (3) breads; (4) meat and poultry products; (5) fruits and nuts; (6) desserts; and (7) beverages. Food procurement for the mobile quarantine facility and for Apollo preflight and postflight activities is also discussed.

  6. Web Extensible Display Manager

    Energy Technology Data Exchange (ETDEWEB)

    Slominski, Ryan [Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States); Larrieu, Theodore L. [Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States)

    2018-02-01

    Jefferson Lab's Web Extensible Display Manager (WEDM) allows staff to access EDM control system screens from a web browser in remote offices and from mobile devices. Native browser technologies are leveraged to avoid installing and managing software on remote clients such as browser plugins, tunnel applications, or an EDM environment. Since standard network ports are used firewall exceptions are minimized. To avoid security concerns from remote users modifying a control system, WEDM exposes read-only access and basic web authentication can be used to further restrict access. Updates of monitored EPICS channels are delivered via a Web Socket using a web gateway. The software translates EDM description files (denoted with the edl suffix) to HTML with Scalable Vector Graphics (SVG) following the EDM's edl file vector drawing rules to create faithful screen renderings. The WEDM server parses edl files and creates the HTML equivalent in real-time allowing existing screens to work without modification. Alternatively, the familiar drag and drop EDM screen creation tool can be used to create optimized screens sized specifically for smart phones and then rendered by WEDM.

  7. Restoration and Reexamination of Apollo Lunar Dust Detector Data from Original Telemetry Files

    Science.gov (United States)

    McBride, M. J.; Williams, David R.; Hills, H. Kent

    2012-01-01

    We are recovering the original telemetry (Figure I) from the Apollo Dust, Thermal, Radiation Environment Monitor (DTREM) experiment, more commonly known as the Dust Detector, and producing full time resolution (54 second) data sets for release through the Planetary Data System (PDS). The primary objective of the experiment was to evaluate the effect of dust deposition, temperature, and radiation damage on solar cells on the lunar surface. The monitor was a small box consisting of three solar cells and thermistors mounted on the ALSEP (Apollo Lunar Surface Experiments Package) central station. The Dust Detector was carried on Apollo's 11, 12, 14 and 15. The Apollo 11 DTREM was powered by solar cells and only operated for a few months as planned. The Apollo 12, 14, and 15 detectors operated for 5 to 7 years, returning data every 54 seconds, consisting of voltage outputs from the three solar cells and temperatures measured by the three thermistors. The telemetry was received at ground stations and held on the Apollo Housekeeping (known as "Word 33") tapes. made available to the National Space Science Data Center (NSSDC) by Yosio Nakamura (University of Texas Institute for Geophysics). We have converted selected parts of the telemetry into uncalibrated and calibrated output voltages and temperatures.

  8. Pseudo Algebraically Closed Extensions

    Science.gov (United States)

    Bary-Soroker, Lior

    2009-07-01

    This PhD deals with the notion of pseudo algebraically closed (PAC) extensions of fields. It develops a group-theoretic machinery, based on a generalization of embedding problems, to study these extensions. Perhaps the main result is that although there are many PAC extensions, the Galois closure of a proper PAC extension is separably closed. The dissertation also contains the following subjects. The group theoretical counterpart of pseudo algebraically closed extensions, the so-called projective pairs. Applications to seemingly unrelated subjects, e.g., an analog of Dirichlet's theorem about primes in arithmetic progression for polynomial rings in one variable over infinite fields.

  9. Update on Apollo Data Restoration by the NSSDC and the PDS Lunar Data Node

    Science.gov (United States)

    Williams, David R.; Hills, K. Kent; Taylor, Patrick T.; McBride, Marie J.; Guinness, Edward A.

    2012-01-01

    The Lunar Data Node (LDN) , under the auspices of the Geosciences Node of the Planetary Data System (PDS) and the National Space Science Data Center (NSSDC), is continuing its efforts to recover and restore Apollo science data. The data being restored are in large part archived with NSSDC on older media, but unarchived data are also being recovered from other sources. They are typically on 7- or 9-track magnetic tapes, often in obsolete formats, or held on microfilm, microfiche, or paper documents. The goal of the LDN is to restore these data from their current form, which is difficult for most researchers to access, into common digital formats with all necessary supporting data (metadata) and archive the data sets with PDS. Restoration involves reading the data from the original media, deciphering the data formats to produce readable digital data and converting the data into usable tabular formats. Each set of values in the table must then be understood in terms of the quantity measured and the units used. Information on instrument properties, operational history, and calibrations is gathered and added to the data set, along with pertinent references, contacts, and other ancillary documentation. The data set then undergoes a peer review and the final validated product is archived with PDS. Although much of this effort has concentrated on data archived at NSSDC in the 1970's, we have also recovered data and information that were never sent to NSSDC. These data, retrieved from various outside sources, include raw and reduced Gamma-Ray Spectrometer data from Apollos 15 and 16, information on the Apollo 17 Lunar Ejecta And Meteorites experiment, Dust Detector data from Apollos 11, 12, 14, and I5, raw telemetry tapes from the Apollo ALSEPs, and Weekly Status Reports for all the Apollo missions. These data are currently being read or organized, and supporting data is being gathered. We are still looking for the calibrated heat flow data from Apollos 15 and 17 for the

  10. Extending the Agricultural Extension Model. Preliminary Draft.

    Science.gov (United States)

    Rogers, Everett M.; And Others

    The purposes of this report are: to describe the main elements of the U.S. agricultural extension model and its effects on the agricultural revolution; to analyze attempts to extend this model to non-agricultural technology and/or to less developed countries; and to draw general conclusions about the diffusion of technological innovations, with…

  11. Scanning Apollo Flight Films and Reconstructing CSM Trajectories

    Science.gov (United States)

    Speyerer, E.; Robinson, M. S.; Grunsfeld, J. M.; Locke, S. D.; White, M.

    2006-12-01

    Over thirty years ago, the astronauts of the Apollo program made the journey from the Earth to the Moon and back. To record their historic voyages and collect scientific observations many thousands of photographs were acquired with handheld and automated cameras. After returning to Earth, these films were developed and stored at the film archive at Johnson Space Center (JSC), where they still reside. Due to the historical significance of the original flight films typically only duplicate (2nd or 3rd generation) film products are studied and used to make prints. To allow full access to the original flight films for both researchers and the general public, JSC and Arizona State University are scanning and creating an online digital archive. A Leica photogrammetric scanner is being used to insure geometric and radiometric fidelity. Scanning resolution will preserve the grain of the film. Color frames are being scanned and archived as 48 bit pixels to insure capture of the full dynamic range of the film (16 bit for BW). The raw scans will consist of 70 Terabytes of data (10,000 BW Hasselblad, 10,000 color Hasselblad, 10,000 Metric frames, 4500 Pan frames, 620 35mm frames counts; are estimates). All the scanned films will be made available for download through a searchable database. Special tools are being developed to locate images based on various search parameters. To geolocate metric and panoramic frames acquired during Apollos 15\\-17, prototype SPICE kernels are being generated from existing photographic support data by entering state vectors and timestamps from multiple points throughout each orbit into the NAIF toolkit to create a type 9 Spacecraft and Planet Ephemeris Kernel (SPK), a nadir pointing C\\- matrix Kernel (CK), and a Spacecraft Clock Kernel (SCLK). These SPICE kernels, in addition to the Instrument Kernel (IK) and Frames Kernel (FK) that also under development, will be archived along with the scanned images. From the generated kernels, several IDL

  12. The Impact of Apollo-Era Microbiology on Human Space Flight

    Science.gov (United States)

    Elliott, T. F; Castro, V. A.; Bruce, R. J.; Pierson, D. L.

    2014-01-01

    The microbiota of crewmembers and the spacecraft environment contributes significant risk to crew health during space flight missions. NASA reduces microbial risk with various mitigation methods that originated during the Apollo Program and continued to evolve through subsequent programs: Skylab, Shuttle, and International Space Station (ISS). A quarantine of the crew and lunar surface samples, within the Lunar Receiving Laboratory following return from the Moon, was used to prevent contamination with unknown extraterrestrial organisms. The quarantine durations for the crew and lunar samples were 21 days and 50 days, respectively. A series of infections among Apollo crewmembers resulted in a quarantine before launch to limit exposure to infectious organisms. This Health Stabilization Program isolated the crew for 21 days before flight and was effective in reducing crew illness. After the program developed water recovery hardware for Apollo spacecraft, the 1967 National Academy of Science Space Science Board recommended the monitoring of potable water. NASA implemented acceptability limits of 10 colony forming units (CFU) per mL and the absence of viable E. coli, anaerobes, yeasts, and molds in three separate 150 mL aliquots. Microbiological investigations of the crew and spacecraft environment were conducted during the Apollo program, including the Apollo-Soyuz Test Project and Skylab. Subsequent space programs implemented microbial screening of the crew for pathogens and acceptability limits on spacecraft surfaces and air. Microbiology risk mitigation methods have evolved since the Apollo program. NASA cancelled the quarantine of the crew after return from the lunar surface, reduced the duration of the Health Stabilization Program; and implemented acceptability limits for spacecraft surfaces and air. While microbial risks were not a main focus of the early Mercury and Gemini programs, the extended duration of Apollo flights resulted in the increased scrutiny of

  13. Less extensive surgery compared to extensive surgery

    DEFF Research Database (Denmark)

    Lauszus, Finn F; Petersen, Astrid Christine; Neumann, Gudrun

    2014-01-01

    in postmenopausal women was associated with surgery including hysterectomy and bilateral oophorectomy (pcarcinoma was found 138 times (95% CI: 48, 275) more prevalent than the expected rate. CONCLUSION......: The survival of women was better in AGCT than in epithelial ovarian tumor. Age and type of surgery, besides stage, influenced survival. Total abdominal hysterectomy and bilateral salpingo-oophorectomy is the recommended treatment with advancing age. At younger age less extensive surgery was associated...

  14. Marketing Extension Needs for Sustainable Extension Practices ...

    African Journals Online (AJOL)

    However, Age (ƒÓ2 =39.33;ƒâ>0.05), religion (ƒÓ2 =2.752; ƒâ >0.05) and cassava association membership (ƒÓ2= 3.438, ƒâ>0.05) were not significant. Therefore, agricultural marketing techniques should be incorporated into agricultural extension delivery packages to ensure continuous farming practices and adoption of ...

  15. Apollo 11 Astronaut Aldrin Next to Lunar Module (LM)

    Science.gov (United States)

    1969-01-01

    The first manned lunar landing mission, Apollo 11, launched from the Kennedy Space Center (KSC) in Florida via the Marshall Space Flight Center (MSFC) developed Saturn V launch vehicle on July 16, 1969 and safely returned to Earth on July 24, 1969. Aboard the space craft were astronauts Neil A. Armstrong, commander; Michael Collins, Command Module (CM) pilot; and Edwin E. (Buzz) Aldrin Jr., Lunar Module (LM) pilot. The CM, piloted by Michael Collins, remained in a parking orbit around the Moon while the LM, named 'Eagle'', carrying astronauts Armstrong and Aldrin, landed on the Moon in the Sea of Tranquility. The LM was a two part spacecraft. Its lower or descent stage had the landing gear, engines, and fuel needed for the landing. When the LM blasted off the Moon, the descent stage served as the launching pad for its companion ascent stage, which was also home for the two astronauts on the surface of the Moon. The LM was full of gear with which to communicate, navigate, and rendezvous. It also had its own propulsion system, and an engine to lift it off the Moon and send it on a course toward the orbiting CM. Aldrin is pictured here next to the LM on the lunar surface.

  16. FLOOD 3 code conversion from Apollo to HP

    International Nuclear Information System (INIS)

    Lee, Hae Cho

    1996-01-01

    FLOOD3 is a Fortran program used to analyze LOCA Reflood and Post Reflood transients for purpose of mechanistically generating containment sizing mass/energy source terms. The reflood time frame starts when safety injection water first enters the bottom of the core, following the initial LOCA blowdown phase, and the ends when liquid level in the core is high enough to quench the core. The post reflood phase starts at the end of reflood phase and lasts until the end of LOCA transient period. Longterm core cooling is initiated following post reflood phase. FLOOD3 code dose not contain separate capability for longterm cooling analysis. This report firstly describes detailed work carried out for installation of FLOOD3 on Apollo DN10000 and code validation results after installation. Secondly, A series of work is also describes in relation to installation of FLOOD3 on HP 9000/700 series as well as relevant code validation results. Attached is a report on software verification and validation results. 7 refs. (Author) .new

  17. Armstrong Retrieves Equipment From Apollo 11 Storage Bay

    Science.gov (United States)

    1969-01-01

    The first manned lunar landing mission, Apollo 11, launched from the Kennedy Space Flight Center (KSC) in Florida via the Marshall Space Flight Center (MSFC) developed Saturn V launch vehicle on July 16, 1969 and safely returned to Earth on July 24, 1969. Astronauts onboard included Neil A. Armstrong, commander; Michael Collins, Command Module (CM) pilot; and Edwin E. Aldrin, Jr., Lunar Module (LM) pilot. The CM, 'Columbia', piloted by Collins, remained in a parking orbit around the Moon while the LM, 'Eagle'', carrying astronauts Armstrong and Aldrin, landed on the Moon in the Sea of Tranquility. On July 20, 1969, Armstrong was the first human to ever stand on the lunar surface, followed by Aldrin. During 2½ hours of surface exploration, the crew set up experiments, collected 47 pounds of lunar surface material for analysis back on Earth, planted the U.S Flag, and left a message for all mankind. In this photograph, Armstrong is removing scientific equipment from a storage bay of the LM. The brilliant sunlight emphasizes the U. S. Flag to the left. The object near the flag is the Solar Wind Composition Experiment deployed by Aldrin earlier.

  18. Priorities for Extension.

    Science.gov (United States)

    Hayward, J. A.

    Agricultural extension is one component in an array including research, training, education, marketing, international trade, etc. which develop together to bring about growth, and sustained growth determines the priorities for extension. These priorities depend inevitably on the stage of development of a country or region, and on the current…

  19. Rocket ranch the nuts and bolts of the Apollo Moon program at Kennedy Space Center

    CERN Document Server

    Ward, Jonathan H

    2015-01-01

    Jonathan Ward takes the reader deep into the facilities at Kennedy Space Center to describe NASA’s first computer systems used for spacecraft and rocket checkout and explain how tests and launches proceeded. Descriptions of early operations include a harrowing account of the heroic efforts of pad workers during the Apollo 1 fire. A companion to the author’s book Countdown to a Moon Launch: Preparing Apollo for Its Historic Journey, this explores every facet of the facilities that served as the base for the Apollo/Saturn missions. Hundreds of illustrations complement the firsthand accounts of more than 70 Apollo program managers and engineers. The era of the Apollo/Saturn missions was perhaps the most exciting period in American space exploration history. Cape Canaveral and Kennedy Space Center were buzzing with activity. Thousands of workers came to town to build the facilities and launch the missions needed to put an American on the Moon before the end of the decade. Work at KSC involved much more than j...

  20. Apollo 12 feldspathic basalts 12031, 12038, and 12072; petrology, comparison and interpretations

    International Nuclear Information System (INIS)

    Beaty, E.W.; Hill, S.M.R.; Albee, A.L.; Baldridge, W.S.

    1979-01-01

    Modal and chemical data indicate that 12072, 12038, and 12031, the Apollo 12 feldspathic basalts, form a well-defined group which cannot be related to the other Apollo 12 rock types. 12072 contains phenocrysts of olivine and pigeonite and microphenocrysts of Cr-spinel set in a fine-grained, variolitic groundmass. 12038 is a medium-grained, equigranular basalt with a texture indicating it was multiply saturated. 12031 is a coarse-grained rock with granular to graphic intergrowths of pyroxene and plagioclase; it was also multiply saturated. Petrologic observations, as well as the bulk chemistry, are consistent with the interpretation that 12031 could be derived from 12072 through fractionation of Cr-spinel, olivine, and pigeonite, the observed phenocryst assemblage. 12038, however, contains more pigeonite, less olivine, three times as much Ca-phosphate minerals, one-fifth as much troilite, and much more sodic plagioclase than 12072. These differences indicate that 12038 must have come from a separate igneous body. Consideration of the bulk compositions indicates that neither 12072 and 12031 nor 12038 could have been derived from the Apollo 12 olivine, pigeonite, or ilmenite basalts by crystal--liquid fractionation. The general petrologic similarities between 12072, 12031, and the other Apollo 12 basalts suggests that they were produced in either the same or similar source regions. 12038, however, is petrologically and chemically unique, and is probably exotic to the Apollo 12 landing site

  1. Professional development and extension programs

    International Nuclear Information System (INIS)

    Bereznai, G.

    2015-01-01

    Professional Development (PD) refers to the means by which people acquire, develop, maintain and enhance the specialist knowledge and skills needed to practice in their profession. Extension Programs (aka Continuing Education) are offered by most post-secondary degree/diploma/certificate granting institutions.The courses are typically taken on a part-time basis, and course delivery often includes distance learning technology. An important implementation of PD is via workplace training, industry specific seminars, workshops and non-credit courses offered by a wide range of service providers.

  2. Neutronic modeling of pebble bed reactors in APOLLO2

    International Nuclear Information System (INIS)

    Grimod, M.

    2010-01-01

    In this thesis we develop a new iterative homogenization technique for pebble bed reactors, based on a 'macro-stochastic' transport approximation in the collision probability method. A model has been developed to deal with the stochastic distribution of pebbles with different burnup in the core, considering spectral differences in homogenization and depletion calculations. This is generally not done in the codes presently used for pebble bed analyses, where a pebble with average isotopic composition is considered to perform the cell calculation. Also an iterative core calculation scheme has been set up, where the low-order RZ S N full-core calculation computes the entering currents in the spectrum zones subdividing the core. These currents, together with the core k eff , are then used as surface source in the fine-group heterogeneous calculation of the multi-pebble geometries. The developed method has been verified using reference Monte Carlo simulations of a simplified PBMR- 400 model. The pebbles in this model are individually positioned and have different randomly assigned burnup values. The APOLLO2 developed method matches the reference core k eff within ± 100 pcm, with relative differences on the production shape factors within ± 4%, and maximum discrepancy of 3% at the hotspot. Moreover, the first criticality experiment of the HTR-10 reactor was used to perform a first validation of the developed model. The computed critical number of pebbles to be loaded in the core is very close to the experimental value of 16890, only 77 pebbles less. A method to calculate the equilibrium reactor state was also developed and applied to analyze the simplified PBMR-400 model loaded with different fuel types (UO 2 , Pu, Pu + MA). The potential of the APOLLO2 method to compute different fluxes for the different pebble types of a multi-pebble geometry was used to evaluate the bias committed by the average composition pebble approximation. Thanks to a 'compensation of error

  3. Apollo Passive Seismic Experiments: lunar data in SEED format

    Science.gov (United States)

    Nunn, C.; Nakamura, Y.; Igel, H.

    2017-12-01

    As a part of the Apollo lunar missions, five seismometers were deployed on the near side of the Moon between 1969 and 1972, and four of them operated continuously until 1977. Seismic data were collected on the Moon and telemetered to Earth. The data were recorded on digital magnetic tapes, with timestamps representing the time of signal reception on Earth. The taped data have been widely used for many applications. Data from the tapes had also been transferred to SEED (Standard for the Exchange of Earthquake Data) format and these SEED files were previously available at IRIS (Incorporated Research Institutions for Seismology). However, there were some timing-related problems with the original SEED files. We have re-imported the long period data to SEED format, and will make these data available via IRIS. There are many gaps within the data caused by loss of signal or instrument problems. The signal is reconstructed to be read in as a continuous record, with gaps within the seismic trace where necessary. We also record the ground station which received the signal from the Moon, and we preserve the timestamps within the file. The timestamps indicate that the sampling rate varies by up to 0.01 %. We investigate how much this is a change in the apparent sampling rate (due to the orbital parameters of the Moon and the rotation of the Earth) and how much is due to the instrument not maintaining a constant sampling rate. We also provide response files. The new files will be a valuable resource for analyzing the structure of the Moon.

  4. Restoration of APOLLO Data by the NSSDC and PDS Lunar Data Node

    Science.gov (United States)

    Williams, David R.; Hills, H. Kent; Guinness, Edward A.; Taylor, Patrick T.; McBride, Marie J.

    2012-01-01

    The Apollo Lunar Surface Experiment Packages (ALSEPs), suites of instruments deployed by the Apollo 12. 14, 15, 16 and 17 astronauts on the lunar surface, still represent the only in-situ measurements of the Moon's environment taken over long time periods, Much of these data are housed at the National Space Science Data Center (NSSDC) at Goddard Space Flight Center but are in forms that are not readily usable, such as microfilm, hardcopy, and magnetic tapes with older, obsolete formats. The Lunar Data Node (LDN) has been formed under the auspices of the Planetary Data System (PDS) Geosciences Node to put relevant, scientifically important Apollo data into accessible digital form for use by researchers and mission planners. The LDN has prioritized the restoration of these data based on their scientific and engineering value and the level of effort required. We will report on progress made and plans for future data restorations.

  5. Apollo experience report: S-band system signal design and analysis

    Science.gov (United States)

    Rosenberg, H. R. (Editor)

    1972-01-01

    A description is given of the Apollo communications-system engineering-analysis effort that ensured the adequacy, performance, and interface compatibility of the unified S-band system elements for a successful lunar-landing mission. The evolution and conceptual design of the unified S-band system are briefly reviewed from a historical viewpoint. A comprehensive discussion of the unified S-band elements includes the salient design features of the system and serves as a basis for a better understanding of the design decisions and analyses. The significant design decisions concerning the Apollo communications-system signal design are discussed providing an insight into the role of systems analysis in arriving at the current configuration of the Apollo communications system. Analyses are presented concerning performance estimation (mathematical-model development through real-time mission support) and system deficiencies, modifications, and improvements.

  6. Shadowing on Apollo 12 Solar Cells and Possible Movement of the ALSEP Central Station

    Science.gov (United States)

    Berman, Paul A.; Williams, David R.

    2014-01-01

    A fortuitous arrangement of a west-facing solar cell and a bracket on the Apollo 12 ALSEP (Apollo Lunar Surface Experiments Package) has allowed us to precisely determine the relative position of the Sun near sunset relative to the Apollo 12 central station over a period of nearly 8 years. The small bracket, mounted on the central station due west of the cell, casts a shadow on the cell near sunset, decreasing the output of the cell proportional to the area of shadow covering the cell. The pattern of shadowing by the bracket gives good agreement with the known change of solar azimuth on a yearly timescale, but the pattern gradually but constantly changed from year-to-year, in a manner inconsistent with the known and changing position of the Sun.

  7. Apollo 16 view of moon taken with Fairchild metric mapping camera in orbit

    Science.gov (United States)

    1972-01-01

    A newly-analyzed photograph of the southwest quadrant of the Moon with an overlay indicating where the launch vehicle stages from two Apollo missions, 13 and 14, hit the lunar surface. This is the first time two S-IVB stage impact points have been located in a single photo. The S-IVB stage is the thrid stage of the Saturn V launch vehicle. The Riphaeus Mountains run northward between the two impact points. The fresh, raised-rim crater at center left is Euclides; and the largest crater near the horizon at upper left is Landberg. The mare area at lower right is the Known Sea. The photograph was taken by the Apollo 16 Fairchild metric mapping camera in lunar orbit, at a 40-degree north oblique angle. The picture was taken during the Apollo 16 Command/Service Module's 59th revolution of the Moon, at an altitude of 124 kilometers. The Sun elevation was 18 degrees.

  8. President Richard Nixon visits MSC to award Apollo 13 Mission Operations team

    Science.gov (United States)

    1970-01-01

    President Richard M. Nixon introduces Sigurd A. Sjoberg (far right), Director of Flight Operations at Manned Spacecraft Center (MSC), and the four Apollo 13 Flight Directors during the Presidnet's post-mission visit to MSC. The Flight Directors are (l.-r.) Glynn S. Lunney, Eugene A. Kranz, Gerald D. Griffin and Milton L. Windler. Dr. Thomas O. Paine, NASA Administrator, is seated at left. President Nixon was on the site to present the Presidential Medal of Freedom -- the nation's highest civilian honor -- to the Apollo 13 Mission Operations Team (35600); A wide-angle, overall view of the large crowd that was on hand to see President Richard M. Nixon present the Presidnetial Medal of Freedom to the Apollo 13 Mission Operations Team. A temporary speaker's platform was erected beside bldg 1 for the occasion (35601).

  9. Type extension trees

    DEFF Research Database (Denmark)

    Jaeger, Manfred

    2006-01-01

    We introduce type extension trees as a formal representation language for complex combinatorial features of relational data. Based on a very simple syntax this language provides a unified framework for expressing features as diverse as embedded subgraphs on the one hand, and marginal counts...... of attribute values on the other. We show by various examples how many existing relational data mining techniques can be expressed as the problem of constructing a type extension tree and a discriminant function....

  10. Spacetime extensions Pt. 1

    International Nuclear Information System (INIS)

    Racz, I.

    1991-09-01

    The problem of the existence of local extensions of spacetime is considered. It is shown that for a spacetime including an incomplete inextendible non-coiling causal geodesic curve there exists a particular C k (resp. C k- ) local extension provided that the curvature and its covariant derivatives are well behaved up to order k + 1 (resp. k) along a family of causal geodetics (around the chosen one). (R.P.) 15 refs

  11. First-Time Analysis of Completely Restored DTREM Instrument Data from Apollo 14 and 15

    Science.gov (United States)

    McBride, Marie J.; Williams, David R.; Hills, H. Kent; Turner, Niescja

    2013-01-01

    The Dust, Thermal and Radiation Engineering Measurement (DTREM) packages (figure 1) mounted on the central stations of the Apollo 11, 12, 14, and 15 ALSEPs (Apollo Lunar Surface Experiments Packages) measured the outputs of exposed solar cells and thermistors over time. The goal of the experiment, also commonly known as the dust detector, was to study the long-term effects of dust, radiation, and temperature at the lunar surface on solar cells. The monitors returned data for up to almost 8 years from the lunar surface.

  12. Apollo experience report: Crew station integration. Volume 1: Crew station design and development

    Science.gov (United States)

    Allen, L. D.; Nussman, D. A.

    1976-01-01

    An overview of the evolution of the design and development of the Apollo command module and lunar module crew stations is given, with emphasis placed on the period from 1964 to 1969. The organizational planning, engineering techniques, and documentation involved are described, and a detailed chronology of the meetings, reviews, and exercises is presented. Crew station anomalies for the Apollo 7 to 11 missions are discussed, and recommendations for the solution of recurring problems of crew station acoustics, instrument glass failure, and caution and warning system performance are presented. Photographs of the various crew station configurations are also provided.

  13. Indigenous Carbonaceous Phases Embedded Within Surface Deposits on Apollo 17 Volcanic Glass Beads

    Science.gov (United States)

    Thomas-Keprta, K. L.; Clemett, S. J.; Ross, D. K.; Le, L.; McKay, D. S.; Gibson, E. K.; Gonzalez, C.

    2012-01-01

    The assessment of indigenous organic matter in returned lunar samples was one of the primary scientific goals of the Apollo program. Prior studies of Apollo samples have shown the total amount of organic matter to be in the range of approx 50 to 250 ppm. Low concentrations of lunar organics may be a consequence not only of its paucity but also its heterogeneous distribution. Several processes should have contributed to the lunar organic inventory including exogenous carbonaceous accretion from meteoroids and interplanetary dust particles, and endogenous synthesis driven by early planetary volcanism and cosmic and solar radiation.

  14. Orbital-science investigation: Part K: geologic sketch map of the candidate Proclus Apollo landing site

    Science.gov (United States)

    Lucchitta, Baerbel Koesters

    1972-01-01

    A panoramic camera frame (fig. 25-69) was used as the base for a geologic sketch map (fig. 25-70) of an area near Proclus Crater. The map was prepared to investigate the usefulness of the Apollo 15 panoramic camera photography in large-scale geologic mapping and to assess the geologic value of this area as a potential Apollo landing site. The area is being considered as a landing site because of the availability of smooth plains terrain and because of the scientific value of investigating plains materials, dark halo craters, and ancient rocks that may be present in the Proclus ray material.

  15. Volatile elements in Apollo 16 samples - Possible evidence for outgassing of the moon.

    Science.gov (United States)

    Krahenbuhl, U.; Ganapathy, R.; Morgan, J. W.; Anders, E.

    1973-01-01

    Several Apollo 16 breccias, including one containing goethite, are strikingly enriched in volatile elements such as bromine, cadmium, germanium, antimony, thallium, and zinc. Similar but smaller enrichments are found in all highland soils. It appears that volcanic processes took place in the lunar highlands, involving the release of volatiles including water. The lunar thallium/uranium ratio is .0002 of the cosmic ratio, which suggests that the moon's original water content could not have exceeded the equivalent of a layer 22 meters deep. The cataclastic anorthosites at the Apollo 16 site may represent deep ejecta from the Nectaris basin.

  16. Radioactivity observed in the sodium iodide gamma-ray spectrometer returned on the Apollo 17 mission

    Science.gov (United States)

    Dyer, C. S.; Trombka, J. I.; Schmadebeck, R. L.; Eller, E.; Bielefeld, M. J.; Okelley, G. D.; Eldridge, J. S.; Northcutt, K. J.; Metzger, A. E.; Reedy, R. C.

    1975-01-01

    In order to obtain information on radioactive background induced in the Apollo 15 and 16 gamma-ray spectrometers (7 cm x 7 cm NaI) by particle irradiation during spaceflight, and identical detector was flown and returned to earth on the Apollo 17 mission. The induced radioactivity was monitored both internally and externally from one and a half hours after splashdown. When used in conjunction with a computation scheme for estimating induced activation from calculated trapped proton and cosmic-ray fluences, these results show an important contribution resulting from both thermal and energetic neutrons produced in the heavy spacecraft by cosmic-ray interactions.

  17. Thermal conductivity and diffusivity of Apollo 15 fines at low density

    Science.gov (United States)

    Cremers, C. J.; Hsia, H. S.

    1973-01-01

    The thermal conductivity of the Apollo 15 fines, sample 15031,38, was measured under vacuum conditions as a function of temperature. Measurements were made for a sample density of 1300 kg/cu m. The conductivity was found to vary from about .00057 W per m per K at 95 K to about .00136 W per m per K at 406 K. The data are compared with the correlation using a cubic temperature dependence and also with data from samples gathered during prior Apollo missions. The thermal diffusivity is obtained for the sample by calculation using the given density and measured thermal conductivity along with specific heats from the literature.

  18. Brushless dc motors. [applications in non-space technology

    Science.gov (United States)

    1975-01-01

    Brushless dc motors were intensively developed and tested over several years before qualification as the prime movers for Apollo Spacecraft life support blowers, and for circulating oxygen in the lunar portable life support system. Knowledge gained through prototype development and critical testing has significantly influenced the technology employed, broadened markets and applications, and reduced the cost of present day motors.

  19. research and extension processes and practices in relation to ...

    African Journals Online (AJOL)

    p2333147

    Key Words: Failure “ToT,” research-extension-farmer linkages, alternative paradigm, pro-poor extension ... introduced during the colonial era, failed to provide research and technology outputs that meet smallholder ... In addition, successful smallholder farmer innovations, technologies and dissemination approaches are not ...

  20. Impact of agricultural extension services on adoption of root crops ...

    African Journals Online (AJOL)

    Impact of agricultural extension services on adoption of root crops technologies in Ondo State, Nigeria. ... The study therefore recommended that extension organizations should consider a number of factors other than contact with farmers for farmers' adoption of new technologies. These include the arrangement of follow-up ...

  1. Apollo experience report: A use of network simulation techniques in the design of the Apollo lunar surface experiments package support system

    Science.gov (United States)

    Gustafson, R. A.; Wilkes, J. N.

    1974-01-01

    A case study of data-communications network modeling and simulation is presented. The applicability of simulation techniques in early system design phases is demonstrated, and the ease with which model parameters can be changed and comprehensive statistics gathered is shown. The discussion of the model design and application also yields an insight into the design and implementation of the Apollo lunar surface experiments package ground-support system.

  2. Base Flow Investigation of the Apollo AS-202 Command Module. Chapter 6

    Science.gov (United States)

    Walpot, Louis M. G.; Wright, Michael J.; Noeding, Peter; Schrijer, Ferry

    2011-01-01

    In recent years, both Europe and the US are developing hypersonic research and operational vehicles. These include (re)entry capsules (both ballistic and lifting) and lifting bodies such as ExoMars, EXPERT, ARV, CEV and IXV. The research programs are meant to enable technology and engineering capabilities to support during the next decade the development of affordable (possibly reusable) space transportation systems as well as hypersonic weapons systems for time critical targets. These programs have a broad range of goals, ranging from the qualification of thermal protection systems, the assessment of RCS performances, the development of GNC algorithms, to the full demonstration of the performance and operability of the integrated vehicles. Since the aerothermodynamic characteristics influence nearly all elements of the vehicle design, the accurate prediction of the aerothermal environment is a prerequisite for the design of efficient hypersonic systems. Significant uncertainties in the prediction of the hypersonic aerodynamic and the aerothermal loads can lead to conservative margins in the design of the vehicle including its Outer Mould Line (OML), thermal protection system, structure, and required control system robustness. The current level of aerothermal prediction uncertainties results therefore in reduced vehicle performances (e.g., sub-optimal payload to mass ratio, increased operational constraints). On the other hand, present computational capabilities enable the simulation of three dimensional flow fields with complex thermo-chemical models over complete trajectories and ease the validation of these tools by, e.g., reconstruction of detailed wind tunnel tests performed under identified and controlled conditions (flow properties and vehicle attitude in particular). These controlled conditions are typically difficult to achieve when performing in flight measurements which in turn results in large associated measurement uncertainties. Similar problems arise

  3. Lesions in the wingless gene of the Apollo butterfly (Parnassius apollo, Lepidoptera: Papilionidae) individuals with deformed or reduced wings, coming from the isolated population in Pieniny (Poland).

    Science.gov (United States)

    Łukasiewicz, Kinga; Sanak, Marek; Węgrzyn, Grzegorz

    2016-02-01

    Parnassius apollo (Lepidoptera: Papilionidae) is a butterfly species which was common in Europe in 19th century, but now it is considered as near threatened. Various programs devoted to protect and save P. apollo have been established, between others the one in Pieniny National Park (Poland). An isolated population of this butterfly has been restored there from a small group of 20-30 individuals in early 1990s. However, deformations or reductions of wings occur in this population in a relatively large number of insects, and the cause of this phenomenon is not known. In this report, the occurrence of lesions in the wingless (wg) gene is demonstrated in most of tested butterflies with deformed or reduced wings, but not in normal insects. Although the analyses indicated that wg lesion(s) cannot be the sole cause of the deformed or reduced wings in the population of P. apollo from Pieniny, the discovery that this genetic defect occurs in most of malformed individuals, can be considered as an important step in understanding this phenomenon. Copyright © 2015 Elsevier B.V. All rights reserved.

  4. A lack of Wolbachia-specific DNA in samples from apollo butterfly (Parnassius apollo, Lepidoptera: Papilionidae) individuals with deformed or reduced wings.

    Science.gov (United States)

    Łukasiewicz, Kinga; Sanak, Marek; Węgrzyn, Grzegorz

    2016-05-01

    Various insects contain maternally inherited endosymbiotic bacteria which can cause reproductive alterations, modulation of some physiological responses (like immunity, heat shock response, and oxidative stress response), and resistance to viral infections. In butterflies, Wolbachia sp. is the most frequent endosymbiont from this group, occurring in about 30 % of species tested to date. In this report, the presence of Wolbachia-specific DNA has been detected in apollo butterfly (Parnassius apollo). In the isolated population of this insect occurring in Pieniny National Park (Poland), malformed individuals with deformed or reduced wings appear with an exceptionally high frequency. Interestingly, while total DNA isolated from most (about 85 %) normal insects contained Wolbachia-specific sequences detected by PCR, such sequences were absent in a large fraction (70 %) of individuals with deformed wings and in all tested individuals with reduced wings. These results indicate for the first time the correlation between malformation of wings and the absence of Wolbachia sp. in insects. Although the lack of the endosymbiotic bacteria cannot be considered as the sole cause of the deformation or reduction of wings, one might suggest that Wolbachia sp. could play a protective role in the ontogenetic development of apollo butterfly.

  5. Android Access Control Extension

    Directory of Open Access Journals (Sweden)

    Anton Baláž

    2015-12-01

    Full Text Available The main objective of this work is to analyze and extend security model of mobile devices running on Android OS. Provided security extension is a Linux kernel security module that allows the system administrator to restrict program's capabilities with per-program profiles. Profiles can allow capabilities like network access, raw socket access, and the permission to read, write, or execute files on matching paths. Module supplements the traditional Android capability access control model by providing mandatory access control (MAC based on path. This extension increases security of access to system objects in a device and allows creating security sandboxes per application.

  6. 76 FR 7853 - Patient Safety Organizations: Voluntary Delisting From Apollo Publishing, Inc.

    Science.gov (United States)

    2011-02-11

    ... DEPARTMENT OF HEALTH AND HUMAN SERVICES Agency for Healthcare Research and Quality Patient Safety... notification of voluntary relinquishment from Apollo Publishing, Inc., of its status as a Patient Safety Organization (PSO). The Patient Safety and Quality Improvement Act of 2005 (Patient Safety Act), Public Law 109...

  7. The application of automatic recognition techniques in the Apollo 9 SO-65 experiment

    Science.gov (United States)

    Macdonald, R. B.

    1970-01-01

    A synoptic feature analysis is reported on Apollo 9 remote earth surface photographs that uses the methods of statistical pattern recognition to classify density points and clusterings in digital conversion of optical data. A computer derived geological map of a geological test site indicates that geological features of the range are separable, but that specific rock types are not identifiable.

  8. Interviews with Apollo Lunar Surface Astronauts in Support of EVA Systems Design

    Science.gov (United States)

    Eppler, Dean

    2010-01-01

    A 3-person team interviewed 8 of the 11 surviving Apollo crewmembers in a series of focused interviews to discuss their experiences on the lunar surface. Eppler presented the results of these interviews, along with recommendations for the design of future lunar surface systems.

  9. Quarantined Apollo 11 Astronauts Addressed by U.S. President Richard Milhous Nixon

    Science.gov (United States)

    1969-01-01

    The Apollo 11 mission, the first manned lunar mission, launched from the Kennedy Space Center, Florida via the Marshall Space Flight Center (MSFC) developed Saturn V launch vehicle on July 16, 1969 and safely returned to Earth on July 24, 1969. Aboard the space craft were astronauts Neil A. Armstrong, commander; Michael Collins, Command Module (CM) pilot; and Edwin E. Aldrin Jr., Lunar Module (LM) pilot. The CM, piloted by Michael Collins remained in a parking orbit around the Moon while the LM, named 'Eagle'', carrying astronauts Neil Armstrong and Edwin Aldrin, landed on the Moon. During 2½ hours of surface exploration, the crew collected 47 pounds of lunar surface material for analysis back on Earth. The recovery operation took place in the Pacific Ocean where Navy para-rescue men recovered the capsule housing the 3-man Apollo 11 crew. The crew was airlifted to safety aboard the U.S.S. Hornet recovery ship, where they were quartered in a Mobile Quarantine Facility (MQF). In this photograph, the U.S.S. Hornet crew looks on as the quarantined Apollo 11 crew is addressed by U.S. President Richard Milhous Nixon via microphone and intercom. The president was aboard the recovery vessel awaiting return of the astronauts. With the success of Apollo 11, the national objective to land men on the Moon and return them safely to Earth had been accomplished.

  10. U.S. President Richard Milhous Nixon Watches Apollo 11 Recovery

    Science.gov (United States)

    1969-01-01

    U.S. President Richard Milhous Nixon, aboard the U.S.S. Hornet aircraft carrier, used binoculars to watch the Apollo 11 Lunar Mission recovery. The recovery operation took place in the Pacific Ocean where Navy para-rescue men recovered the capsule housing the 3-man Apollo 11 crew. The crew was airlifted to safety aboard the U.S.S. Hornet, where they were quartered in a Mobile Quarantine Facility (MQF) for 21 days post mission. The Apollo 11 mission, the first manned lunar mission, launched from the Kennedy Space Center, Florida via the Saturn V launch vehicle on July 16, 1969 and safely returned to Earth on July 24, 1969. The Saturn V vehicle was developed by the Marshall Space Flight Center (MSFC) under the direction of Dr. Wernher von Braun. Aboard were Neil A. Armstrong, commander; Michael Collins, Command Module (CM) pilot; and Edwin E. Aldrin Jr., Lunar Module (LM) pilot. The CM, piloted by Michael Collins remained in a parking orbit around the Moon while the LM, named 'Eagle'', carrying astronauts Neil Armstrong and Edwin Aldrin, landed on the Moon. Armstrong was the first human to ever stand on the lunar surface, followed by Edwin (Buzz) Aldrin. During 2½ hours of surface exploration, the crew collected 47 pounds of lunar surface material for analysis back on Earth. With the success of Apollo 11, the national objective to land men on the Moon and return them safely to Earth had been accomplished.

  11. President Nixon welcomes the Apollo 11 astronauts aboard the U.S.S. Hornet

    Science.gov (United States)

    1969-01-01

    President Richard M. Nixon welcomes the Apollo 11 astronauts aboard the U.S.S. Hornet. Already confined to the Mobile Quarantine Facility are (left to right) Neil A. Armstrong, commander; Michael Collins, command module pilot; and Edwin E. Aldrin Jr., lunar module pilot.

  12. Photographic replica of the plaque Apollo 13 astronauts will leave on moon

    Science.gov (United States)

    1970-01-01

    A photographic replica of the plaque which the Apollo 13 astronauts will leave behind on the Moon during their lunar landing mission. The plaque will be attached to the ladder on the landing gear strut on the Lunar Module's descent stage.

  13. Photographic replica of plaque Apollo 15 astronauts will leave on Moon

    Science.gov (United States)

    1971-01-01

    A photographic replica of the plaque which Apollo 15 astronauts will leave behind on the Moon during their lunar landing mission. The seven by nine-inch stainless steel plaque will be attached to the ladder on the landing gear strut on the Lunar Module's descent stage.

  14. Apollo 11 astronauts are recovered from their capsule after returning from the Moon

    Science.gov (United States)

    1969-01-01

    U.S. Navy pararescueman Lt. Clancey Hatleberg disinfects Apollo 11 Astronauts Neil A. Armstrong, Michael Collins and Edwin E. Aldrin Jr. after getting into the life raft during recovery operations today at the completion of their successful lunar landing mission. The space pilots donned biological isolation garments in their spacecraft.

  15. Apollo külastajate lemmikuks on Jan Kausi ja David Mitchelli raamatud / Jaak Urmet

    Index Scriptorium Estoniae

    Urmet, Jaak, 1979-

    2006-01-01

    Apollo kaupluse koduleheküljel valiti parimaks ilukirjandusteoseks Jan Kausi "Tema", tõlgitud ilukirjanduse osas David Mitchelli "Pilveatlas", luuleraamatutest Ott Arderi "Luule sünnib kus sünnib kui sünnib" ja lasteraamatutest Christopher Paolini "Vanem"

  16. APOLLO SOYUZ TEST PROJECT [ASTP] CREW POSE IN FRONT OF SHEPHERD COMMEMORATIVE PLAQUE

    Science.gov (United States)

    1975-01-01

    Soviet Cosmonauts Valeriy Kubasov [left] and Aleksey Leonov [third from left] pose with U. S. Astronauts Donald Slayton and Tom Stafford [right] in front of a plaque commemorating Alan Shepherd, the first American to fly in space. The Cosmonauts and Astronauts were at KSC in preparation for their joint space mission, the Apollo Soyuz Test Project, schedule for mid-July.

  17. Stratigraphy of the Descartes region /Apollo 16/ - Implications for the origin of samples

    Science.gov (United States)

    Head, J. W.

    1974-01-01

    Analysis of terrain in the Apollo 16 Descartes landing region shows a series of features that form a stratigraphic sequence which dominates the history and petrogenesis at the site. An ancient 150-km diam crater centered on the Apollo 16 site is one of the earliest recognizable major structures. Nectaris ejecta was concentrated in a regional low at the base of the back slope of the Nectaris basin to form the Descartes Mountains. Subsequently, a 60-km diam crater formed in the Descartes Mountains centered about 25 km to the west of the site. This crater dominates the geology and petrogenetic history of the site. Stone and Smoky Mountains represent the degraded terraced crater walls, and the dark matrix breccias and metaclastic rocks derived from North and South Ray craters represent floor fallback breccias from this cratering event. The interpretation is developed that the stratigraphy of the Cayley and Descartes, and thus the historical record of the Apollo 16 region, documents the complex interaction of deposits and morphology of local and regional impact cratering events. Large local 60- to 150-km diam craters have had a dramatic and previously unrecognized effect on the history and petrology of the Apollo 16 site.

  18. On the Moon with Apollo 16. A Guidebook to the Descartes Region.

    Science.gov (United States)

    Simmons, Gene

    The Apollo 16 guidebook describes and illustrates (with artist concepts) the physical appearance of the lunar region visited. Maps show the planned traverses (trips on the lunar surface via Lunar Rover); the plans for scientific experiments are described in depth; and timelines for all activities are included. A section on "The Crew" is…

  19. Homomorphisms between C∗ -algebra extensions

    Indian Academy of Sciences (India)

    C∗. -algebra extensions, Ext groups do not classify extension algebras. So one has to study the isomorphism equivalence of extensions. In fact, a homomorphism between two extension algebras may not map the essential ideal into the other in general, so we have to consider properties of extension homomorphisms.

  20. Extensions of tempered representations

    NARCIS (Netherlands)

    Opdam, E.; Solleveld, M.

    2013-01-01

    Let π, π′ be irreducible tempered representations of an affine Hecke algebra H with positive parameters. We compute the higher extension groups Ext nH(π,π′) explicitly in terms of the representations of analytic R-groups corresponding to π and π′. The result has immediate applications to the

  1. Journal of Agricultural Extension

    African Journals Online (AJOL)

    Mission Statement The mission of the "Journal of Agricultural Extension" is to publish conceptual papers and empirical research that tests, extends, or builds ... Symbol recognition and interpretation of HIV/AIDS pictorial messages among rural women in Abia State Nigeria · EMAIL FREE FULL TEXT EMAIL FREE FULL TEXT

  2. Preserving the Science Legacy from the Apollo Missions to the Moon

    Science.gov (United States)

    Todd, N. S.; Evans, C. A.; Zeigler, R. A.; Lehnert, K. A.

    2015-12-01

    Six Apollo missions landed on the Moon from 1969-72, returning to Earth 382 kg of lunar rock, soil, and core samples—among the best documented and preserved samples on Earth that have supported a robust research program for 45 years. From mission planning through sample collection, preliminary examination, and subsequent research, strict protocols and procedures are followed for handling and allocating Apollo subsamples. Even today, 100s of samples are allocated for research each year, building on the science foundation laid down by the early Apollo sample studies and combining new data from today's instrumentation, lunar remote sensing missions and lunar meteorites. Today's research includes advances in our understanding of lunar volatiles, lunar formation and evolution, and the origin of evolved lunar lithologies. Much sample information is available to researchers at curator.jsc.nasa.gov. Decades of analyses on lunar samples are published in LPSC proceedings volumes and other peer-reviewed journals, and tabulated in lunar sample compendia entries. However, for much of the 1969-1995 period, the processing documentation, individual and consortia analyses, and unpublished results exist only in analog forms or primitive digital formats that are either inaccessible or at risk of being lost forever because critical data from early investigators remain unpublished. We have initiated several new efforts to rescue some of the early Apollo data, including unpublished analytical data. We are scanning NASA documentation that is related to the Apollo missions and sample processing, and we are collaborating with IEDA to establish a geochemical database called Moon DB. To populate this database, we are working with prominent lunar PIs to organize and transcribe years of both published and unpublished data. Other initiatives include micro-CT scanning of complex lunar samples to document their interior structure (e.g. clasts, vesicles); linking high-resolution scans of Apollo

  3. Preserving, Enhancing, and Continuing the Scientific Legacy of the Apollo Sample Suite

    Science.gov (United States)

    Zeigler, R. A.; Evans, C. A.; Lehnert, K.; Cai, Y.; Todd, N. S.

    2016-12-01

    From 1969 to 1972, Apollo astronauts collected 382 kg of rocks, soils, and core samples from six geologically diverse locations on the Moon. In the nearly 50 years since the samples were collected, over 3000 different studies have been conducted using the nearly 2200 different Apollo samples. Despite the maturity of the sample collection, many new studies of lunar samples are undertaken each year, with an average of >55 requests and >600 distinct subsamples allocated annually over the past five years. The Apollo samples are a finite resource, however. Although new studies are encouraged, it is important that new studies do not duplicate previous studies, and where possible, leverage previous results to inform and enhance the current studies. This helps to preserve the samples and scientific funding, both of which are precious resources. We have initiated several new efforts to rescue some of the early analyses from these samples, including unpublished analytical data. We are actively scanning NASA documentation in paper form that is related to the Apollo missions and sample processing, and we are collaborating with IEDA to establish a geochemical data base called MoonDB. To populate this database, we are actively working with about a dozen prominent lunar PIs to organize and transcribe years of both published and unpublished data, making it available to all researchers. This effort will also take advantage of new online analytical tools like PetDB. There have already been tangible results from the MoonDB data rescue effort. A pilot project involving the rescue of geochemical data of John Delano on Apollo pyroclastic glasses has already been referenced in multiple Apollo sample requests, and in fact, the compiled data was used as part of one of the new studies. Similarly, scanned sample handling reports have been utilized to find previously analyzed samples that were appropriate to fulfill new sample requests. We have also begun to image the Apollo samples using (1

  4. Preserving the Science Legacy from the Apollo Missions to the Moon

    Science.gov (United States)

    Evans, Cindy; Zeigler, Ryan; Lehnert, Kerstin; Todd, Nancy; Blumenfeld, Erika

    2015-01-01

    Six Apollo missions landed on the Moon from 1969-72, returning to Earth 382 kg of lunar rock, soil, and core samples-among the best documented and preserved samples on Earth that have supported a robust research program for 45 years. From mission planning through sample collection, preliminary examination, and subsequent research, strict protocols and procedures are followed for handling and allocating Apollo subsamples. Even today, 100s of samples are allocated for research each year, building on the science foundation laid down by the early Apollo sample studies and combining new data from today's instrumentation, lunar remote sensing missions and lunar meteorites. Today's research includes advances in our understanding of lunar volatiles, lunar formation and evolution, and the origin of evolved lunar lithologies. Much sample information is available to researchers at curator.jsc.nasa.gov. Decades of analyses on lunar samples are published in LPSC proceedings volumes and other peer-reviewed journals, and tabulated in lunar sample compendia entries. However, for much of the 1969-1995 period, the processing documentation, individual and consortia analyses, and unpublished results exist only in analog forms or primitive digital formats that are either inaccessible or at risk of being lost forever because critical data from early investigators remain unpublished. We have initiated several new efforts to rescue some of the early Apollo data, including unpublished analytical data. We are scanning NASA documentation that is related to the Apollo missions and sample processing, and we are collaborating with IEDA to establish a geochemical database called Moon DB. To populate this database, we are working with prominent lunar PIs to organize and transcribe years of both published and unpublished data. Other initiatives include micro-CT scanning of complex lunar samples to document their interior structure (e.g. clasts, vesicles); linking high-resolution scans of Apollo

  5. Journal of Environmental Extension: Editorial Policies

    African Journals Online (AJOL)

    Focus and Scope. Journal of Environmental Extension is to be published annually to generate ideas on formulation, packaging, dissemination and consequential impacts of ideas/policies relating to the quality and sustainability of the environment. Focus of the Journal is on: Health Agriculture Technology

  6. Prospective of the agricultural extension in Colombia

    International Nuclear Information System (INIS)

    David Hinestrosa, A.

    1998-01-01

    The situation of the agricultural extension is described in next twenty years, together with the regional programs of investigation and technology transfer, based in the rational use of the natural resources, the exploitation of markets, the former evaluation before and the expert systems. It proves the dynamic participation of producing leaders and their operation inside an outline of decentralization, privatization, sustainability, competitiveness, justness and invigoration and rural signification. It is supposed that the extension rural functional, bound to the investigation processes, transfer, development, technological development and markets. Institutionally it is expected that the extension is a service of regional and private character with an opportune and enough assignment of resources for the improvement of the quality of the rural population's life

  7. Distributed Energy Technology Laboratory

    Data.gov (United States)

    Federal Laboratory Consortium — The Distributed Energy Technologies Laboratory (DETL) is an extension of the power electronics testing capabilities of the Photovoltaic System Evaluation Laboratory...

  8. Apollo 11 Astronauts Share Laughs With U.S. President Nixon

    Science.gov (United States)

    1969-01-01

    The Apollo 11 mission, the first manned lunar mission, launched from the Kennedy Space Center, Florida via the Saturn V launch vehicle on July 16, 1969 and safely returned to Earth on July 24, 1969. The Saturn V vehicle was developed by the Marshall Space Flight Center (MSFC) under the direction of Dr. Wernher von Braun. Aboard were Neil A. Armstrong, commander; Michael Collins, Command Module (CM) pilot; and Edwin E. Aldrin Jr., Lunar Module (LM) pilot. The CM, piloted by Michael Collins remained in a parking orbit around the Moon while the LM, named 'Eagle'', carrying astronauts Neil Armstrong and Edwin Aldrin, landed on the Moon. Armstrong was the first human to ever stand on the lunar surface, followed by Edwin (Buzz) Aldrin. During 2½ hours of surface exploration, the crew collected 47 pounds of lunar surface material for analysis back on Earth. The recovery operation took place in the Pacific Ocean where Navy para-rescue men recovered the capsule housing the 3-man Apollo 11 crew. The crew was airlifted to safety aboard the U.S.S. Hornet, where they were quartered in a Mobile Quarantine Facility (MQF). Here the quarantined Apollo 11 crew members (l to r) Armstrong, Collins, and Aldrin, and U.S. President Richard Milhous Nixon share laughs over a comment made by fellow astronaut Frank Borman, Apollo 8 commander. The president was aboard the recovery vessel awaiting return of the astronauts. With the success of Apollo 11, the national objective to land men on the Moon and return them safely to Earth had been accomplished.

  9. Re-Evaluation of Ar-39 - Ar-40 Ages for Apollo Lunar Rocks 15415 and 60015

    Science.gov (United States)

    Park, J.; Nyquist, L. E.; Bogard, D. D.; Garrison, D. H.; Shih, C.-Y.

    2010-01-01

    We re-analyzed 39Ar-40Ar ages of Apollo lunar highland samples 15415 and 60015, two ferroan anorthosites analyzed previously in the 1970 s, with a more detailed approach and with revised decay constants. From these samples we carefully prepared 100-200 mesh mineral separates for analysis at the Noble Gas Laboratory at NASA-Johnson Space Center. The Ar-39-Ar-40 age spectra for 15415 yielded an age of 3851 +/- 38 Ma with 33-99% of Ar39 release, roughly in agreement with previously reported Ar-Ar ages. For 60015, we obtained an age of 3584 +/- 152 Ma in 23-98% of Ar39 release, also in agreement with previously reported Ar-Ar ages of approximately 3.5 Ga. Highland anorthosites like these are believed by many to be the original crust of the moon, formed by plagioclase floatation atop a magma ocean, however the Ar-Ar ages of 15415 and 60015 are considerably younger than lunar crust formation. By contrast, recently recovered lunar anorthosites such as Dhofar 489, Dhofar 908, and Yamato 86032 yield older Ar-Ar ages, up to 4.35 Ga, much closer to time of formation of the lunar crust. It follows that the Ar-Ar ages of the Apollo samples must have been reset by secondary heating, and that this heating affected highland anorthosites at both the Apollo 15 and Apollo 16 landing sites but did not affect lunar highland meteorites. One obvious consideration is that while the Apollo samples were collected from the near side of the moon, these lunar meteorites are thought to have originated from the lunar far side

  10. Benchmark calculation of APOLLO2 and SLAROM-UF in a fast reactor lattice

    International Nuclear Information System (INIS)

    Hazama, Taira

    2009-10-01

    A lattice cell benchmark calculation is carried out for APOLLO2 and SLAROM-UF on the infinite lattice of a simple pin cell featuring a fast reactor. The accuracy in k-infinity and reaction rates is investigated in their reference and standard level calculations. In the 1st reference level calculation, APOLLO2 and SLAROM-UF agree with the reference value of k-infinity obtained by a continuous energy Monte Carlo calculation within 50 pcm. However, larger errors are observed in a particular reaction rate and energy range. A major problem common to both codes is in the cross section library of 239 Pu in the unresolved energy range. In the 2nd reference level calculation, which is based on the ECCO 1968 group structure, both results of k-infinity agree with the reference value within 100 pcm. The resonance overlap effect is observed by several percents in cross sections of heavy nuclides. In the standard level calculation based on the APOLLO2 library creation methodology, a discrepancy appears by more than 300 pcm. A restriction is revealed in APOLLO2. Its standard cross section library does not have a sufficiently small background cross section to evaluate the self-shielding effect of 56 Fe cross sections. The restriction can be removed by introducing the mixture self-shielding treatment recently introduced to APOLLO2. SLAROM-UF original standard level calculation based on the JFS-3 library creation methodology is the best among the standard level calculations. Improvement from the SLAROM-UF standard level calculation is achieved mainly by use of a proper weight function for light or intermediate nuclides. (author)

  11. Benchmark calculation of APOLLO-2 and SLAROM-UF in a fast reactor lattice

    International Nuclear Information System (INIS)

    Hazama, T.

    2009-07-01

    A lattice cell benchmark calculation is carried out for APOLLO2 and SLAROM-UF on the infinite lattice of a simple pin cell featuring a fast reactor. The accuracy in k-infinity and reaction rates is investigated in their reference and standard level calculations. In the 1. reference level calculation, APOLLO2 and SLAROM-UF agree with the reference value of k-infinity obtained by a continuous energy Monte Carlo calculation within 50 pcm. However, larger errors are observed in a particular reaction rate and energy range. The major problem common to both codes is in the cross section library of 239 Pu in the unresolved energy range. In the 2. reference level calculation, which is based on the ECCO 1968 group structure, both results of k-infinity agree with the reference value within 100 pcm. The resonance overlap effect is observed by several percents in cross sections of heavy nuclides. In the standard level calculation based on the APOLLO2 library creation methodology, a discrepancy appears by more than 300 pcm. A restriction is revealed in APOLLO2. Its standard cross section library does not have a sufficiently small background cross section to evaluate the self shielding effect on 56 Fe cross sections. The restriction can be removed by introducing the mixture self-shielding treatment recently introduced to APOLLO2. SLAROM-UF original standard level calculation based on the JFS-3 library creation methodology is the best among the standard level calculations. Improvement from the SLAROM-UF standard level calculation is achieved mainly by use of a proper weight function for light or intermediate nuclides. (author)

  12. Industrial extension, the Oklahoma way

    Science.gov (United States)

    Farrell, Edmund J.

    1994-03-01

    Oklahoma has established a customer-driven industrial extension system. A publicly-chartered, private non-profit corporation, the Oklahoma Alliance for Manufacturing Excellence, Inc. (`the Alliance') coordinates the system. The system incorporates principles that Oklahoma manufacturers value: (1) decentralization and local accessibility; (2) coordinated existing resources; (3) comprehensive help; (4) interfirm cooperation; (5) pro-active outreach; (6) self- help and commitment from firms; (7) customer governance; and (8) performance accountability. The Oklahoma system consists of: (1) a network of locally-based broker/agents who work directly with manufacturers to diagnose problems and find appropriate assistance; (2) a group of industry sector specialists who collect and disseminate sector specific technological and market intelligence to the broker/agents and their clients; (3) all the specialized public and private sector resources coordinated by the system; and (4) a customer- driven coordination and evaluation mechanism, the Alliance.

  13. Research on Customer Value Based on Extension Data Mining

    Science.gov (United States)

    Chun-Yan, Yang; Wei-Hua, Li

    Extenics is a new discipline for dealing with contradiction problems with formulize model. Extension data mining (EDM) is a product combining Extenics with data mining. It explores to acquire the knowledge based on extension transformations, which is called extension knowledge (EK), taking advantage of extension methods and data mining technology. EK includes extensible classification knowledge, conductive knowledge and so on. Extension data mining technology (EDMT) is a new data mining technology that mining EK in databases or data warehouse. Customer value (CV) can weigh the essentiality of customer relationship for an enterprise according to an enterprise as a subject of tasting value and customers as objects of tasting value at the same time. CV varies continually. Mining the changing knowledge of CV in databases using EDMT, including quantitative change knowledge and qualitative change knowledge, can provide a foundation for that an enterprise decides the strategy of customer relationship management (CRM). It can also provide a new idea for studying CV.

  14. Modern Gemini-Approach to Technology Development for Human Space Exploration

    Science.gov (United States)

    White, Harold

    2010-01-01

    In NASA's plan to put men on the moon, there were three sequential programs: Mercury, Gemini, and Apollo. The Gemini program was used to develop and integrate the technologies that would be necessary for the Apollo program to successfully put men on the moon. We would like to present an analogous modern approach that leverages legacy ISS hardware designs, and integrates developing new technologies into a flexible architecture This new architecture is scalable, sustainable, and can be used to establish human exploration infrastructure beyond low earth orbit and into deep space.

  15. Dimension and extensions

    CERN Document Server

    Aarts, JM

    1993-01-01

    Two types of seemingly unrelated extension problems are discussed in this book. Their common focus is a long-standing problem of Johannes de Groot, the main conjecture of which was recently resolved. As is true of many important conjectures, a wide range of mathematical investigations had developed, which have been grouped into the two extension problems. The first concerns the extending of spaces, the second concerns extending the theory of dimension by replacing the empty space with other spaces. The problem of de Groot concerned compactifications of spaces by means of an adjunction of a set of minimal dimension. This minimal dimension was called the compactness deficiency of a space. Early success in 1942 lead de Groot to invent a generalization of the dimension function, called the compactness degree of a space, with the hope that this function would internally characterize the compactness deficiency which is a topological invariant of a space that is externally defined by means of compact extensions of a...

  16. Apollo Field Geology: 45 Years of Digesting Rocks, Field Data, and Future Objectives

    Science.gov (United States)

    Schmitt, H. H.

    2012-12-01

    Twelve Apollo astronauts participated in the Lunar Field Geological Experiment, overseen by Gene Shoemaker, Gordon Swann, and Bill Muehlberger and their Co-Investigators. In conjunction with geologists and engineers of the Geological Survey and NASA, this team planned, trained and executed the first extraterrestrial field geological investigation. As a result, astronaut sample selection, observations, photo-documentation and experiment deployment underpin 45 years of laboratory analyses and interpretation by thousands of lunar and planetary scientists. --Current hypotheses related to the origin, evolution and nature of the Moon would be far different had Apollo geological explorations not occurred, even assuming that all robotic missions flown before and since Apollo were flown. *Would we have recognized lunar meteorites without the broad suite of Apollo samples to guide us? If we eventually had properly identified such meteorites, would their chemistry and age data give us the same detailed insights about the origin and evolution of the Moon without the highly specific field documentation of samples collected by the astronauts? *Would we recognize that the early history of the Earth and Mars up to 3.8 billion years ago, including the development of life's precursors, was a period of the prolonged violence due to impacts of asteroids and comets? Would we have realized that clay minerals, produced by the alteration of impact-generated glass and debris, would have been dominant components and potential templates for complex organic molecules in the terrestrial and Martian environments? *Would we fully understand the surface environments of asteroids and young terrestrial planets without the detailed dissection and analysis of Apollo's lunar regolith samples? *Would the Moon's near-surface environment, and its mantle and core structure, be as well defined as they are without the ground-truth provided by Apollo samples and the equipment carefully emplaced there by the

  17. Long-Lasting Science Returns from the Apollo Heat Flow Experiments

    Science.gov (United States)

    Nagihara, S.; Taylor, P. T.; Williams, D. R.; Zacny, K.; Hedlund, M.; Nakamura, Y.

    2012-01-01

    The Apollo astronauts deployed geothermal heat flow instruments at landing sites 15 and 17 as part of the Apollo Lunar Surface Experiments Packages (ALSEP) in July 1971 and December 1972, respectively. These instruments continuously transmitted data to the Earth until September 1977. Four decades later, the data from the two Apollo sites remain the only set of in-situ heat flow measurements obtained on an extra-terrestrial body. Researchers continue to extract additional knowledge from this dataset by utilizing new analytical techniques and by synthesizing it with data from more recent lunar orbital missions such as the Lunar Reconnaissance Orbiter. In addition, lessons learned from the Apollo experiments help contemporary researchers in designing heat flow instruments for future missions to the Moon and other planetary bodies. For example, the data from both Apollo sites showed gradual warming trends in the subsurface from 1971 to 1977. The cause of this warming has been debated in recent years. It may have resulted from fluctuation in insolation associated with the 18.6-year-cycle precession of the Moon, or sudden changes in surface thermal environment/properties resulting from the installation of the instruments and the astronauts' activities. These types of reanalyses of the Apollo data have lead a panel of scientists to recommend that a heat flow probe carried on a future lunar mission reach 3 m into the subsurface, approx 0.6 m deeper than the depths reached by the Apollo 17 experiment. This presentation describes the authors current efforts for (1) restoring a part of the Apollo heat flow data that were left unprocessed by the original investigators and (2) designing a compact heat flow instrument for future robotic missions to the Moon. First, at the conclusion of the ALSEP program in 1977, heat flow data obtained at the two Apollo sites after December 1974 were left unprocessed and not properly archived through NASA. In the following decades, heat flow

  18. Coal Combustion Products Extension Program

    Energy Technology Data Exchange (ETDEWEB)

    Tarunjit S. Butalia; William E. Wolfe

    2006-01-11

    This final project report presents the activities and accomplishments of the ''Coal Combustion Products Extension Program'' conducted at The Ohio State University from August 1, 2000 to June 30, 2005 to advance the beneficial uses of coal combustion products (CCPs) in highway and construction, mine reclamation, agricultural, and manufacturing sectors. The objective of this technology transfer/research program at The Ohio State University was to promote the increased use of Ohio CCPs (fly ash, FGD material, bottom ash, and boiler slag) in applications that are technically sound, environmentally benign, and commercially competitive. The project objective was accomplished by housing the CCP Extension Program within The Ohio State University College of Engineering with support from the university Extension Service and The Ohio State University Research Foundation. Dr. Tarunjit S. Butalia, an internationally reputed CCP expert and registered professional engineer, was the program coordinator. The program coordinator acted as liaison among CCP stakeholders in the state, produced information sheets, provided expertise in the field to those who desired it, sponsored and co-sponsored seminars, meetings, and speaking at these events, and generally worked to promote knowledge about the productive and proper application of CCPs as useful raw materials. The major accomplishments of the program were: (1) Increase in FGD material utilization rate from 8% in 1997 to more than 20% in 2005, and an increase in overall CCP utilization rate of 21% in 1997 to just under 30% in 2005 for the State of Ohio. (2) Recognition as a ''voice of trust'' among Ohio and national CCP stakeholders (particularly regulatory agencies). (3) Establishment of a national and international reputation, especially for the use of FGD materials and fly ash in construction applications. It is recommended that to increase Ohio's CCP utilization rate from 30% in 2005 to

  19. Petrology and chemistry of Apollo 17 regolith breccias - A history of mixing of highland and mare regolith

    Science.gov (United States)

    Simon, S. B.; Papike, J. J.; Gosselin, D. C.; Laul, J. C.; Hughes, S. S.

    1990-01-01

    Results are presented of petrological and chemical analyses of ten Apollo 17 breccias, showing that two of these consist predominantly of highland material, seven are mare-dominated, and one is a welded volcanic glass deposit; all were formed at or near the Apollo 17 site, and all contain both mare and highland components. The data are indicative of the Apollo 17 breccias formation from immature source regolith. The breccias are considered to be formed locally after an eruption of basalt and orange glass at the site. Since the formation of the breccias, the regolith at the Apollo 17 site has become more mature, and the orange glass abundance has been somewhat decreased by mixing. One of the sample may contain a previously unreported volcanic glass type.

  20. 76 FR 68192 - Temporary Certification Program; Notice of Extension

    Science.gov (United States)

    2011-11-03

    ... of Certified EHR Technology for EPs and hospitals that seek to achieve meaningful use and participate... Extension AGENCY: Office of the National Coordinator for Health Information Technology, HHS. ACTION: Notice... Technology (the National Coordinator) to extend the Temporary Certification Program. Authority: Section 3001...

  1. Extensive air showers

    CERN Document Server

    Rao, M V S

    1997-01-01

    Ultrahigh energy cosmic rays carry information about their sources and the intervening medium apart from providing a beam of particles for studying certain features of high energy interactions currently inaccessible at man-made accelerators. They can at present be studied only via the extensive air showers (EAS's) they generate while passing through the Earth's atmosphere, since their fluxes are too low for the experiments of limited capability flown in balloons and satellites. The EAS is generated by a series of interactions of the primary cosmic ray and its progeny with the atmospheric nucle

  2. Selecting Extensive Reading Materials

    Directory of Open Access Journals (Sweden)

    George M Jacobs

    2014-05-01

    Full Text Available This article offers guidance to teachers and students in selecting materials for extensive reading (ER. First, the article explains characteristics of ER and reviews some of the potential gains for students who do ER. Second, the article considers criteria for teachers to bear in mind when selecting ER materials. Third, the article then suggests ways that teachers and students can find ER materials. Fourth, guidance is provided to students for when they select what to read from among the ER materials available to them. Finally, advice is given on integrating ER with course textbooks.

  3. Continuous multivariate exponential extension

    International Nuclear Information System (INIS)

    Block, H.W.

    1975-01-01

    The Freund-Weinman multivariate exponential extension is generalized to the case of nonidentically distributed marginal distributions. A fatal shock model is given for the resulting distribution. Results in the bivariate case and the concept of constant multivariate hazard rate lead to a continuous distribution related to the multivariate exponential distribution (MVE) of Marshall and Olkin. This distribution is shown to be a special case of the extended Freund-Weinman distribution. A generalization of the bivariate model of Proschan and Sullo leads to a distribution which contains both the extended Freund-Weinman distribution and the MVE

  4. Evaluation of patient and doctor perception toward the use of telemedicine in Apollo Tele Health Services, India

    Directory of Open Access Journals (Sweden)

    Rajesh V Acharya

    2016-01-01

    Full Text Available Introduction: Telemedicine incorporates electronic information and medical technology. It connects healthcare through vast distances which would benefit both patients and doctors. The aim of this questionnaire study was to evaluate the effects of telemedicine on patients and medical specialists. Methods: A cross-sectional study was conducted among 122 participants (71 patients and 51 doctors on satisfaction in quality of service, cost-effectiveness, and problems encountered in healthcare provided by the telemedicine in Apollo Tele Health Services, Hyderabad, Telangana, India. The data for each group were calculated and compared. Results: About 80% patients and all the doctors reported their satisfaction on the quality of treatment given through telemedicine. Approximately, 90% of the participants found telemedicine cost-effective and 61% of the doctors found an increase in patient's inflow apart for their regular practice. Problems encountered in telemedicine were 47% in technical issues and 39% in time scheduling by doctors and 31% of patients were uncomfortable to face the camera, and 24% had technical issues. Conclusions: The results of the present study showed that telemedicine in healthcare could prove to be useful to patients in distant regions and to rural doctors in India. In the near future, telemedicine can be considered as an alternate to face to face patient care.

  5. The Text of the Third Agreement to Extend the 1987 Regional Co-operative Agreement for Research, Development and Training related to Nuclear Science and Technology (RCA). Latest Status. Extension of Agreement

    International Nuclear Information System (INIS)

    2002-01-01

    The text of the Third Agreement to Extend the 1987 Regional Co-operative Agreement for Research, Development and Training Related to Nuclear Science and Technology, t he 1987 RCA , is reproduced herein for the information of all Members

  6. The Text of the Third Agreement to Extend the 1987 Regional Co-operative Agreement for Research, Development and Training related to Nuclear Science and Technology (RCA). Latest Status. Extension of Agreement

    International Nuclear Information System (INIS)

    2002-01-01

    The text of the Third Agreement to Extend the 1987 Regional Co-operative Agreement for Research, Development and Training Related to Nuclear Science and Technology, t he 1987 RCA , is reproduced herein for the information of all Members [es

  7. The Text of the Fourth Agreement to Extend the 1987 Regional Co-operative Agreement for Research, Development and Training related to Nuclear Science and Technology (RCA). Extension of Agreement. Latest Status

    International Nuclear Information System (INIS)

    2007-01-01

    The text of the Fourth Agreement to Extend the 1987 Regional Co-operative Agreement for Research, Development and Training Related to Nuclear Science and Technology, 'the 1987 RCA', is reproduced herein for the information of all Members

  8. The Text of the Fourth Agreement to Extend the 1987 Regional Co-operative Agreement for Research, Development and Training related to Nuclear Science and Technology (RCA). Extension of Agreement. Latest Status

    International Nuclear Information System (INIS)

    2007-01-01

    The text of the Fourth Agreement to Extend the 1987 Regional Co-operative Agreement for Research, Development and Training Related to Nuclear Science and Technology, 'the 1987 RCA', is reproduced herein for the information of all Members [es

  9. Upper Stage Engine Composite Nozzle Extensions

    Science.gov (United States)

    Valentine, Peter G.; Allen, Lee R.; Gradl, Paul R.; Greene, Sandra E.; Sullivan, Brian J.; Weller, Leslie J.; Koenig, John R.; Cuneo, Jacques C.; Thompson, James; Brown, Aaron; hide

    2015-01-01

    Carbon-carbon (C-C) composite nozzle extensions are of interest for use on a variety of launch vehicle upper stage engines and in-space propulsion systems. The C-C nozzle extension technology and test capabilities being developed are intended to support National Aeronautics and Space Administration (NASA) and United States Air Force (USAF) requirements, as well as broader industry needs. Recent and on-going efforts at the Marshall Space Flight Center (MSFC) are aimed at both (a) further developing the technology and databases for nozzle extensions fabricated from specific CC materials, and (b) developing and demonstrating low-cost capabilities for testing composite nozzle extensions. At present, materials development work is concentrating on developing a database for lyocell-based C-C that can be used for upper stage engine nozzle extension design, modeling, and analysis efforts. Lyocell-based C-C behaves in a manner similar to rayon-based CC, but does not have the environmental issues associated with the use of rayon. Future work will also further investigate technology and database gaps and needs for more-established polyacrylonitrile- (PAN-) based C-C's. As a low-cost means of being able to rapidly test and screen nozzle extension materials and structures, MSFC has recently established and demonstrated a test rig at MSFC's Test Stand (TS) 115 for testing subscale nozzle extensions with 3.5-inch inside diameters at the attachment plane. Test durations of up to 120 seconds have been demonstrated using oxygen/hydrogen propellants. Other propellant combinations, including the use of hydrocarbon fuels, can be used if desired. Another test capability being developed will allow the testing of larger nozzle extensions (13.5- inch inside diameters at the attachment plane) in environments more similar to those of actual oxygen/hydrogen upper stage engines. Two C-C nozzle extensions (one lyocell-based, one PAN-based) have been fabricated for testing with the larger

  10. Temperature-dependent magnetic properties of individual glass spherules, Apollo 11, 12, and 14 lunar samples.

    Science.gov (United States)

    Thorpe, A. N.; Sullivan, S.; Alexander, C. C.; Senftle, F. E.; Dwornik, E. J.

    1972-01-01

    Magnetic susceptibility of 11 glass spherules from the Apollo 14 lunar fines have been measured from room temperature to 4 K. Data taken at room temperature, 77 K, and 4.2 K, show that the soft saturation magnetization was temperature independent. In the temperature range 300 to 77 K the temperature-dependent component of the magnetic susceptibility obeys the Curie law. Susceptibility measurements on these same specimens and in addition 14 similar spherules from the Apollo 11 and 12 mission show a Curie-Weiss relation at temperatures less than 77 K with a Weiss temperature of 3-7 degrees in contrast to 2-3 degrees found for tektites and synthetic glasses of tektite composition. A proposed model and a theoretical expression closely predict the variation of the susceptibility of the glass spherules with temperature.

  11. Magnesium and Silicon Isotopes in HASP Glasses from Apollo 16 Lunar Soil 61241

    Science.gov (United States)

    Herzog, G. F.; Delaney, J. S.; Lindsay, F.; Alexander, C. M. O'D; Chakrabarti, R.; Jacobsen, S. B.; Whattam, S.; Korotev, R.; Zeigler, R. A.

    2012-01-01

    The high-Al (>28 wt %), silica-poor (<45 wt %) (HASP) feldspathic glasses of Apollo 16 are widely regarded as the evaporative residues of impacts in the lunar regolith [1-3]. By virtue of their small size, apparent homogeneity, and high inferred formation temperatures, the HASP glasses appear to be good samples in which to study fractionation processes that may accompany open system evaporation. Calculations suggest that HASP glasses with present-day Al2O3 concentrations of up to 40 wt% may have lost 19 wt% of their original masses, calculated as the oxides of iron and silicon, via evaporation [4]. We report Mg and Si isotope abundances in 10 HASP glasses and 2 impact-glass spherules from a 64-105 m grain-size fraction taken from Apollo 16 soil sample 61241.

  12. Remote sensing and photogrammetric studies: Part D: repeatability of elevation measurements--Apollo photography

    Science.gov (United States)

    Wu, Sherman S.C.; Schafer, Francis J.; Nakata, Gary M.; Jordan, Raymond

    1973-01-01

    Stereoscopic photographs of the Moon taken by the metric and panoramic cameras on board the service module of Apollo spacecraft provide a source for quantitative data on lunar topography. The accuracy of the topographic data depends, in part, on the repeatability of elevation measurements. The repeatability depends on contrast in the stereoscopic image and is affected by many factors, such as photographic quality, the photogrammetric instrument used, and illumination conditions. For the Moon, illumination conditions are important so that repeatability of elevation measurements may be statistically related to Sun elevation angles, local slopes, and albedos of surfaces. We have examined the effect of Sun elevation angle on repeatability, using Apollo 15 photographs (Wu, unpublished data), and extended the results to slope-related effects.

  13. Inhalation Toxicity of Ground Lunar Dust Prepared from Apollo-14 Soil

    Science.gov (United States)

    James, John T.; Lam, Chiu-wing; Scully, Robert R.; Cooper, Bonnie L.

    2011-01-01

    Within the decade one or more space-faring nations intend to return humans to the moon for more in depth exploration of the lunar surface and subsurface than was conducted during the Apollo days. The lunar surface is blanketed with fine dust, much of it in the respirable size range (dust into habitats and rovers, it is reasonable to expect lunar dust to pollute both as operations progress. Apollo astronauts were exposed briefly to dust at nuisance levels, but stays of up to 6 months on the lunar surface are envisioned. Will repeated episodic exposures to lunar dust present a health hazard to those engaged in lunar exploration? Using rats exposed to lunar dust by nose-only inhalation, we set out to investigate that question.

  14. Visibility of lunar surface features - Apollo 14 orbital observations and lunar landing.

    Science.gov (United States)

    Ziedman, K.

    1972-01-01

    Description of an in-flight visibility test conducted during the Apollo 14 mission for the purpose of validating and extending the mathematical visibility models used previously in the course of the Apollo program to examine the constraints on descent operations imposed by lunar visibility limitations. Following a background review of the effects on mission planning of the visibility limitations due to downsun lunar surface detail 'washout' and a discussion of the visibility prediction techniques previously used for studying lunar visibility problems, the visibility test rationale and procedures are defined and the test results presented. The results appear to confirm the validity of the visibility prediction techniques employed in lunar visibility problem studies. These results provide also a basis for improving the accuracy of the prediction techniques by appropriate modifications.

  15. Thermal Analyses of Apollo Lunar Soils Provide Evidence for Water in Permanently Shadowed Areas

    Science.gov (United States)

    Cooper, Bonnie L.; Smith, M. C.; Gibson, E. K.

    2011-01-01

    Thermally-evolved-gas analyses were performed on the Apollo lunar soils shortly after their return to Earth [1-8]. The analyses revealed the presence of water evolving at temperatures above 200 C. Of particular interest are samples that were collected from permanently-shadowed locations (e.g., under a boulder) with a second sample collected in nearby sunlight, and pairs in which one was taken from the top of a trench, and the second was taken at the base of the trench, where the temperature would have been -10 to -20 C prior to the disturbance [9]. These samples include 63340/63500, 69941/69961, and 76240/76280. At the time that this research was first reported, the idea of hydrated minerals on the lunar surface was somewhat novel. Nevertheless, goethite was observed in lunar breccias from Apollo 14 [10], and it was shown that goethite, hematite and magnetite could originate in an equilibrium assemblage of lunar rocks

  16. Mineralogy and petrology of some Apollo 16 rocks and fines - General petrologic model of moon

    Science.gov (United States)

    Steele, I. M.; Smith, J. V.

    1973-01-01

    Data published in the literature and original results of mineralogical and petrological analyses of Apollo 16 rocks and fines indicate that Apollo 16 and Luna 20 sites are dominated by plagioclase-rich rocks with minor olivine and/or pyroxene. Data suggest that shock, brecciation, and recrystallization have largely eliminated primary textures. In general, all data are consistent with derivation from ejecta blankets produced from plagioclase-rich rocks by impacts. The lunar crust is discussed as a product of an early differentiation of the entire moon, and Mg/Fe data for experimental olivine-liquid and olivine-orthopyroxene equilibria are used as constraints to examine compositional data for rocks, glasses, and fragments in the light of specific models for crystal-liquid differentiation.

  17. Mosaic of Apollo 16 Descartes landing site taken from TV transmission

    Science.gov (United States)

    1972-01-01

    A 360 degree field of view of the Apollo 16 Descartes landing site area composed of individual scenes taken from a color transmission made by the color RCA TV camera mounted on the Lunar Roving Vehicle. This panorama was made while the LRV was parked at the rim of North Ray crater (Stations 11 and 12) during the third Apollo 16 lunar surface extravehicular activity (EVA-3) by Astronauts John W. Young and Charles M. Duke Jr. The overlay identifies the directions and the key lunar terrain features. The camera panned across the rear portion of the LRV in its 360 degree sweep. Note Young and Duke walking along the edge of the crater in one of the scenes. The TV camera was remotely controlled from a console in the Mission Control Center.

  18. Restoration of Apollo Data by the NSSDC and the PDS Lunar Data Node

    Science.gov (United States)

    Williams, David R.; Hills, H. Kent; Lowman, Paul D.; Taylor, Patrick T.; Guinness, Edward A.

    2011-01-01

    The Lunar Data Node (LDN), under the auspices of the Geosciences Node of the Planetary Data System (PDS), is restoring Apollo data archived at the National Space Science Data Center. The Apollo data were arch ived on older media (7 -track tapes. microfilm, microfiche) and in ob solete digital formats, which limits use of the data. The LDN is maki ng these data accessible by restoring them to standard formats and archiving them through PDS. The restoration involves reading the older m edia, collecting supporting data (metadata), deciphering and understa nding the data, and organizing into a data set. The data undergo a pe er review before archive at PDS. We will give an update on last year' s work. We have scanned notebooks from Otto Berg, P.1. for the Lunar Ejecta and Meteorites Experiment. These notebooks contain information on the data and calibration coefficients which we hope to be able to use to restore the raw data into a usable archive. We have scanned Ap ollo 14 and 15 Dust Detector data from microfilm and are in the proce ss of archiving thc scans with PDS. We are also restoring raw dust de tector data from magnetic tape supplied by Yosio Nakamura (UT Austin) . Seiichi Nagihara (Texas Tech Univ.) and others in cooperation with NSSDC are recovering ARCSAV tapes (tapes containing raw data streams from all the ALSEP instruments). We will be preparing these data for archive with PDS. We are also in the process of recovering and archivi ng data not previously archived, from the Apollo 16 Gamma Ray Spectro meter and the Apollo 17 Infrared Spectrometer.

  19. Scots scientists dismiss Apollo mission doubts university team deals with the conspiracies

    CERN Multimedia

    Simpson, Cameron

    2004-01-01

    "Scientists from a Scottish university are going walkabout to combat the sceptics who claim US astronaut Neil Armstrong never set foot on the moon. The conspiracists claim the Apollo moon landings of the 60s and 70s were faked by Nasa in a TV studio in an attempt to help America claim victory in the space race with the former Soviet Union" (1 page)

  20. Apollo experience report: Guidance and control systems - Digital autopilot design development

    Science.gov (United States)

    Peters, W. H.; Cox, K. J.

    1973-01-01

    The development of the Apollo digital autopilots (the primary attitude control systems that were used for all phases of the lunar landing mission) is summarized. This report includes design requirements, design constraints, and design philosophy. The development-process functions and the essential information flow paths are identified. Specific problem areas that existed during the development are included. A discussion is also presented on the benefits inherent in mechanizing attitude-controller logic and dynamic compensation in a digital computer.

  1. Quarantined Apollo 11 Astronauts Addressed by U.S. President Nixon

    Science.gov (United States)

    1969-01-01

    The Apollo 11 mission, the first manned lunar mission, launched from the Kennedy Space Center, Florida via the Saturn V launch vehicle on July 16, 1969 and safely returned to Earth on July 24, 1969. The Saturn V vehicle was developed by the Marshall Space Flight Center (MSFC) under the direction of Dr. Wernher von Braun. Aboard were Neil A. Armstrong, commander; Michael Collins, Command Module (CM) pilot; and Edwin E. Aldrin Jr., Lunar Module (LM) pilot. The CM, piloted by Michael Collins remained in a parking orbit around the Moon while the LM, named 'Eagle'', carrying astronauts Neil Armstrong and Edwin Aldrin, landed on the Moon. Armstrong was the first human to ever stand on the lunar surface, followed by Edwin (Buzz) Aldrin. During 2½ hours of surface exploration, the crew collected 47 pounds of lunar surface material for analysis back on Earth. The recovery operation took place in the Pacific Ocean where Navy para-rescue men recovered the capsule housing the 3-man Apollo 11 crew. The crew was airlifted by helicopter and taken to safety aboard the U.S.S. Hornet, where they were quartered in a Mobile Quarantine Facility (MQF). Shown here are the Apollo 11 crew members (L to R) Neil Armstrong, Michael Collins, and Edwin Aldrin inside the MQF as U.S. President Richard Milhous Nixon speaks to them via intercom. The president was aboard the recovery vessel awaiting return of the astronauts. With the success of Apollo 11, the national objective to land men on the Moon and return them safely to Earth had been accomplished.

  2. Soil mechanics. [characteristics of lunar soil from Apollo 17 flight lunar landing site

    Science.gov (United States)

    Mitchell, J. K.; Carrier, W. D., III; Costes, N. C.; Houston, W. N.; Scott, R. F.; Hovland, H. J.

    1973-01-01

    The soil mechanics experiment on the Apollo 17 mission to the Taurus-Littrow area of the moon is discussed. The objectives of the experiment were to determine the physical characteristics and mechanical properties of the lunar soil at the surface and subsurface in lateral directions. Data obtained on the lunar surface in conjunction with observations of returned samples of lunar soil are used to determine in-place density and porosity profiles and to determine strength characteristics on local and regional scales.

  3. View of silicon disc to be left on moon by Apollo 11 astronauts

    Science.gov (United States)

    1969-01-01

    Closeup view of the one and one-half inch silicon disc which will be left on the moon by the Apollo 11 astronauts. The disc bears meassages of goodwill from heads of state of many nations. The process used to make this wafer is the same as that used to manufacture integrated circuits for electronic equipment. The Kennedy half-dollar illustrates the relative size of the memorial disc.

  4. Flag to be implanted on the moon by the Apollo 11 astronauts

    Science.gov (United States)

    1969-01-01

    This is a photographic illustration of how the flag of the United States will be implanted on the moon by the Apollo 11 astronauts. The flag is three by five feet, and is made of nylon. It will be erected on an eight-foot aluminun staff, and tubing along its top edge will unfurl it in the airless environment of the moon. The photograph on the right shows the flag in a furled condition.

  5. The Apollo Number: space suits, self-support, and the walk-run transition.

    Directory of Open Access Journals (Sweden)

    Christopher E Carr

    Full Text Available BACKGROUND: How space suits affect the preferred walk-run transition is an open question with relevance to human biomechanics and planetary extravehicular activity. Walking and running energetics differ; in reduced gravity (<0.5 g, running, unlike on Earth, uses less energy per distance than walking. METHODOLOGY/PRINCIPAL FINDINGS: The walk-run transition (denoted * correlates with the Froude Number (Fr = v(2/gL, velocity v, gravitational acceleration g, leg length L. Human unsuited Fr* is relatively constant (approximately 0.5 with gravity but increases substantially with decreasing gravity below approximately 0.4 g, rising to 0.9 in 1/6 g; space suits appear to lower Fr*. Because of pressure forces, space suits partially (1 g or completely (lunar-g support their own weight. We define the Apollo Number (Ap = Fr/M as an expected invariant of locomotion under manipulations of M, the ratio of human-supported to total transported mass. We hypothesize that for lunar suited conditions Ap* but not Fr* will be near 0.9, because the Apollo Number captures the effect of space suit self-support. We used the Apollo Lunar Surface Journal and other sources to identify 38 gait events during lunar exploration for which we could determine gait type (walk/lope/run and calculate Ap. We estimated the binary transition between walk/lope (0 and run (1, yielding Fr* (0.36+/-0.11, mean+/-95% CI and Ap* (0.68+/-0.20. CONCLUSIONS/SIGNIFICANCE: The Apollo Number explains 60% of the difference between suited and unsuited Fr*, appears to capture in large part the effects of space suits on the walk-run transition, and provides several testable predictions for space suit locomotion and, of increasing relevance here on Earth, exoskeleton locomotion. The knowledge of how space suits affect gait transitions can be used to optimize space suits for use on the Moon and Mars.

  6. Artists concept of Apollo 11 Astronaut Neil Armstrong on the moon

    Science.gov (United States)

    1969-01-01

    A Grumman Aircraft Engineering Corporation artist's concept depicting mankind's first walk on another celestianl body. Here, Astronaut Neil Armstrong, Apollo 11 commander, is making his first step onto the surface of the moon. In the background is the Earth, some 240,000 miles away. Armstrong. They are continuing their postflight debriefings. The three astronauts will be released from quarantine on August 11, 1969. Donald K. Slayton (right), MSC Director of Flight Crew Operations; and Lloyd Reeder, training coordinator.

  7. Extensions of string theories

    Energy Technology Data Exchange (ETDEWEB)

    Amorim, R.; Barcelos-Neto, J. (Universidade Federal do Rio de Janeiro, RJ (Brazil). Inst. de Fisica)

    1993-06-01

    With the motivation that critical dimensions D[ne]4 might be suggeting that string theories have not been completely formulated, we study more general alternatives. We first consider a direct extension in the world-sheet formulation with N[sub B] bosons and N[sub F] fermions and analyze the conditions for canceling the anomaly in all possible combinations of N[sub B], N[sub F] and D. Later on we incorporate degrees of freedom of antisymmetric tensors to the previous model. The only possibility to cancel the anomaly in this case is with N[sub B]=N[sub F]=1 and the our everyday spacetime dimension D=4. (orig.).

  8. Ground System Extensibility Considerations

    Science.gov (United States)

    Miller, S. W.; Greene, E.

    2017-12-01

    The National Oceanic and Atmospheric Administration (NOAA) and National Aeronautics and Space Administration (NASA) are jointly acquiring the next-generation civilian weather and environmental satellite system: the Joint Polar Satellite System (JPSS). The Joint Polar Satellite System will replace the afternoon orbit component and ground processing system of the current Polar-orbiting Operational Environmental Satellites (POES) managed by NOAA. The JPSS satellites will carry a suite of sensors designed to collect meteorological, oceanographic, climatological and geophysical observations of the Earth. The ground processing system for JPSS is known as the JPSS Common Ground System (JPSS CGS). Developed and maintained by Raytheon Intelligence, Information and Services (IIS), the CGS is a multi-mission enterprise system serving NOAA, NASA and their national and international partners, such as NASA's Earth Observation System (EOS), NOAA's current POES, the Japan Aerospace Exploration Agency's (JAXA) Global Change Observation Mission - Water (GCOM-W1), and DoD's Defense Meteorological Satellite Program (DMSP). The CGS provides a wide range of support to a number of national and international missions, including command and control, mission management, data acquisition and routing, and environmental data processing and distribution. The current suite of CGS-supported missions has demonstrated the value of interagency and international partnerships to address global observation needs. With its established infrastructure and existing suite of missions, the CGS is extensible to a wider array of potential new missions. This paper will describe how the inherent scalability and extensibility of the CGS enables the addition of these new missions, with an eye on global enterprise needs in the 2020's and beyond.

  9. Apollo 15 yellow-brown volcanic glass - Chemistry and petrogenetic relations to green volcanic glass and olivine-normative mare basalts

    Science.gov (United States)

    Hughes, S. S.; Schmitt, R. A.; Delano, J. W.

    1988-01-01

    Electron microprobe and INAA were used to analyze forty spherules of Apollo 15 yellow-brown glass for major and trace elements. The glass is one of twenty-five high-Mg primary magmas emplaced on the lunar surface in pyroclastic eruptions. The abundances show that the magma was produced by partial melting of differentiated cumulates in the lunar mantle. Models to explain the possible source-regions of several Apollo 15 and Apollo 12 low-Ti mare magmas are presented.

  10. NASA Administrator Paine and U.S. President Richard Milhous Nixon Await Apollo 11 Splashdown

    Science.gov (United States)

    1969-01-01

    Dr. Thomas Paine, NASA administrator (left) and U.S. President Richard Milhous Nixon wait aboard the recovery ship, the U.S.S. Hornet, for splashdown of the Apollo 11 in the Pacific Ocean. Navy para-rescue men recovered the capsule housing the 3-man crew. The crew was taken to safety aboard the U.S.S. Hornet, where they were quartered in a Mobile Quarantine Facility (MQF). The Apollo 11 mission, the first manned lunar mission, launched from the Kennedy Space Center, Florida via the Saturn V launch vehicle on July 16, 1969 and safely returned to Earth on July 24, 1969. The Saturn V vehicle was developed by the Marshall Space Flight Center (MSFC) under the direction of Dr. Wernher von Braun. Aboard were Neil A. Armstrong, commander; Michael Collins, Command Module (CM) pilot; and Edwin E. Aldrin Jr., Lunar Module (LM) pilot. The CM, piloted by Michael Collins remained in a parking orbit around the Moon while the LM, named 'Eagle'', carrying astronauts Neil Armstrong and Edwin Aldrin, landed on the Moon. Armstrong was the first human to ever stand on the lunar surface, followed by Edwin (Buzz) Aldrin. During 2½ hours of surface exploration, the crew collected 47 pounds of lunar surface material for analysis back on Earth. With the success of Apollo 11, the national objective to land men on the Moon and return them safely to Earth had been accomplished.

  11. Countdown to a Moon launch preparing Apollo for its historic journey

    CERN Document Server

    Ward, Jonathan H

    2015-01-01

    Thousands of workers labored at Kennedy Space Center around the clock, seven days a week, for half a year to prepare a mission for the liftoff of Apollo 11. This is the story of what went on during those hectic six months. Countdown to a Moon Launch provides an in-depth look at the carefully choreographed workflow for an Apollo mission at KSC. Using the Apollo 11 mission as an example, readers will learn what went on day by day to transform partially completed stages and crates of parts into a ready-to-fly Saturn V. Firsthand accounts of launch pad accidents, near misses, suspected sabotage, and last-minute changes to hardware are told by more than 70 NASA employees and its contractors. A companion to Rocket Ranch, it includes many diagrams and photographs, some never before published, to illustrate all aspects of the process. NASA’s groundbreaking use of computers for testing and advanced management techniques are also covered in detail. This book will demystify the question of how NASA could build and lau...

  12. Apollo-Soyuz O/3P/ and N/4S/ density measurement by UV spectroscopy

    Science.gov (United States)

    Donahue, T. M.; Anderson, J. G.; Rawlins, W. T.; Kaufman, F.; Hudson, R. D.

    1977-01-01

    The densities of O(3P) and N(4S) at 225 km were determined during the Apollo-Soyuz Test Project by a resonance absorption-fluorescence technique in which O I and N I line radiation produced and collimated on board the Apollo was reflected from the Soyuz back to the Apollo for spectral analysis. The two spacecraft maneuvered so that a range of observation angles of plus or minus 25 deg with respect to the normal to the orbital velocity vector was scanned. The measurements described were made at night on two consecutive orbits at spacecraft separations of 150 and 500 m. The results indicate an O density of 1.15 billion per cu cm (plus or minus 30%), agreeing with mass-spectrometric measurements made under similar conditions, and an N density of 5.6 to 11.2 million per cu cm, in good agreement with recent measurements but suggesting a smaller diurnal variation than predicted by present models.

  13. Sedimentology of clastic rocks returned from the moon by Apollo 15.

    Science.gov (United States)

    Lindsay, J. F.

    1972-01-01

    A petrographic study of eleven samples of clastic rock returned from the moon by Apollo 15 suggests that two lithologies are present. The distinction between the two lithologies is based on the glass content of the rock matrices and the morphology of the detrital particles. Group I rocks have abundant, glass-rich, porous matrices and glass particles with morphologies comparable to those of glass particles in the lunar soil. The group I rocks were probably formed by welding or sintering of surficial soil deposits by impact-generated base surges of limited extent. Group II rocks have an essentially mineralic matrix and have an abundance of rounded mineral grains. Sample 15455 is the only Apollo 15 sample assigned to this group. In its general textural features, sample 15455 is comparable with the group II rocks from the Fra Mauro Formation at the Apollo 14 site. Textural features such as shock modification and rounding of mineral grains suggest that this sample is the product of a large-scale impact-generated base surge which possibly resulted from the Imbrian event.

  14. Apollo 11 Astronaut Armstrong Arrives at the Flight Crew Training Building

    Science.gov (United States)

    1969-01-01

    In this photograph, Apollo 11 astronaut Neil Armstrong walks to the flight crew training building at the NASA Kennedy Space Center (KSC) in Florida, one week before the nation's first lunar landing mission. The Apollo 11 mission launched from KSC via the Marshall Space Flight Center (MSFC) developed Saturn V launch vehicle on July 16, 1969 and safely returned to Earth on July 24, 1969. Aboard the space craft were astronauts Neil A. Armstrong, commander; Michael Collins, Command Module (CM) pilot; and Edwin E. (Buzz) Aldrin Jr., Lunar Module (LM) pilot. The CM, 'Columbia', piloted by Collins, remained in a parking orbit around the Moon while the LM, 'Eagle'', carrying astronauts Armstrong and Aldrin, landed on the Moon. On July 20, 1969, Armstrong was the first human to ever stand on the lunar surface, followed by Aldrin. During 2½ hours of surface exploration, the crew collected 47 pounds of lunar surface material for analysis back on Earth. With the success of Apollo 11, the national objective to land men on the Moon and return them safely to Earth had been accomplished.

  15. Rescue and Preservation of Sample Data from the Apollo Missions to the Moon

    Science.gov (United States)

    Todd, Nancy S.; Zeigler, Ryan A.; Evans, Cindy A.; Lehnert, Kerstin

    2016-01-01

    Six Apollo missions landed on the Moon from 1969-72, returning to Earth 382 kg of lunar rock, soil, and core samples. These samples are among the best documented and preserved samples on Earth that have supported a robust research program for 45 years. From mission planning through sample collection, preliminary examination, and subsequent research, strict protocols and procedures are followed for handling and allocating Apollo subsamples, resulting in the production of vast amounts of documentation. Even today, hundreds of samples are allocated for research each year, building on the science foundation laid down by the early Apollo sample studies and combining new data from today's instrumentation, lunar remote sensing missions and lunar meteorites. Much sample information is available to researchers at curator.jsc.nasa.gov. Decades of analyses on lunar samples are published in LPSC proceedings volumes and other peer-reviewed journals, and tabulated in lunar sample compendia entries. However, for much of the 1969-1995 period, the processing documentation, individual and consortia analyses, and unpublished results exist only in analog forms or primitive digital formats that are either inaccessible or at risk of being lost forever because critical data from early investigators remain unpublished.

  16. Assessment of Extension Service Delivery on Improved Cassava ...

    African Journals Online (AJOL)

    SH

    1Department of Agricultural Extension and Rural Development, Landmark University, Omu –Aran, Kwara. State. 2Department ... production technologies among cassava farmers in Osun State, Nigeria. Multistage ... included fertilizer procurement, agrochemicals, cooperative facilities, social networks, tractor hiring services,.

  17. Attitude Of Extension Personnel To Training And Visit Extension ...

    African Journals Online (AJOL)

    In order to make the attitudes of extension workers more affirmative, the paper recommended, inter alia, staff motivation, minimizing political and administrative interference in staff work and a reasonable reduction in the work load of extension staff. Key words: attitude, extension personnel, training and visit. Journal of ...

  18. evaluation of job performance of village extension agents in lagos ...

    African Journals Online (AJOL)

    AFINNI IMAM

    Journal of Agricultural Extension. Vol. 13 (2) December 2009. Probit Analysis of Women's Access to Agricultural Inputs in. Bosso Local Government Area, Niger State, Nigeria. Olaleye, R. S , Ibrahim, M. and Ojo, M. A. Dept. of Agric Econs. and Extension Tech. Federal University Of Technology. P.M.B.65, Minna, Niger State.

  19. Gender Differences in Access to Extension Services and Agricultural Productivity

    Science.gov (United States)

    Ragasa, Catherine; Berhane, Guush; Tadesse, Fanaye; Taffesse, Alemayehu Seyoum

    2013-01-01

    Purpose: This article contributes new empirical evidence and nuanced analysis on the gender difference in access to extension services and how this translates to observed differences in technology adoption and agricultural productivity. Approach: It looks at the case of Ethiopia, where substantial investments in the extension system have been…

  20. Twitter Chats: Connect, Foster, and Engage Internal Extension Networks

    Science.gov (United States)

    Seger, Jamie; Hill, Paul; Stafne, Eric; Swadley, Emy

    2017-01-01

    The eXtension Educational Technology Learning Network (EdTechLN) has found Twitter to be an effective form of informal communication for routinely engaging network members. Twitter chats provide Extension professionals an opportunity to reach and engage one other. As the EdTechLN's experimentation with Twitter chats has demonstrated, the use of…

  1. Assessment of Extension Service Delivery on Improved Cassava ...

    African Journals Online (AJOL)

    SH

    Assessment of Extension Service Delivery on Improved. Cassava Technologies Among Cassava Farmers in Osun. State, Nigeria. 1. Ajala, A. O.,. 1. Ogunjimi, S.I. and. 2. Farinde, A.J.. 1Department of Agricultural Extension and Rural Development, Landmark University, Omu –Aran, Kwara. State. 2Department of Agricultural ...

  2. Achieving Impact at Scale through ICT-Enabled Extension Services ...

    International Development Research Centre (IDRC) Digital Library (Canada)

    The Government of Ghana is looking for alternatives to conventional extension services to ensure better outreach to poor farmers and rural women. The expansion of mobile technology will connect farmers to extension resources and link them to profitable markets. The research team will scale up an ICT-based agricultural ...

  3. Assessment of Extension Service Delivery on Improved Cassava ...

    African Journals Online (AJOL)

    Extension service delivery is too often merely seen as a vehicle for spreading scientific and technical progress and technology transfer. In the real sense, however, dissemination of knowledge is not a one way affair from scientists to producers. The study was conducted to assess extension service delivery on improved ...

  4. Remediation Technologies Eliminate Contaminants

    Science.gov (United States)

    2012-01-01

    All research and development has a story behind it, says Jacqueline Quinn, environmental engineer at Kennedy Space Center. For Quinn, one such story begins with the Saturn 1B launch stand at Kennedy and ends with a unique solution to a challenging environmental problem. Used in a number of Apollo missions and during the Skylab program, the Saturn 1B launch stand was dismantled following the transition to the Space Shuttle Program and stored in an open field at Kennedy. Decades later, the Center s Environmental Program Office discovered evidence of chemicals called polychlorinated biphenyls (PCBs) in the field s soil. The findings were puzzling since PCBs a toxin classified as a probable carcinogen by the Environmental Protection Agency (EPA) have been banned in the United States since 1979. Before the ban, PCBs were commonly used in transformer oils that leached into the ground when the oils were changed out and dumped near transformer sites, but there were no electrical transformers near the dismantled stand. It soon became apparent that the source of the PCBs was the launch stand itself. Prior to the ban, PCBs were used extensively in paints to add elasticity and other desirable characteristics. The PCB-laden paint on the Saturn 1B launch stand was flaking off into the field s soil. Nobody knew there were PCBs in the paint, says Quinn, noting that the ingredient was not monitored carefully when it was in use in 1960s. In fact, she says, the U.S. EPA was not even established until 1970, a year after Neil Armstrong first set foot on the Moon. Nobody knew any better at the time, Quinn says, but today, we have the responsibility to return any natural environmental media to as close to pristine a condition as possible. Quinn, fellow engineer Kathleen Loftin, and other Kennedy colleagues already had experience developing unprecedented solutions for environmental contamination; the team invented the emulsified zero-valent iron (EZVI) technology to safely treat

  5. test with extensions

    Directory of Open Access Journals (Sweden)

    J. C. W. Rayner

    1997-01-01

    Full Text Available The data for the tests considered here may be presented in two-way contingency tables with all marginal totals fixed. We show that Pearson's test statistic XP2 (P for Pearson may be partitioned into useful and informative components. The first detects location differences be tween the treatments, and the subsequent components detect dispersion and higher order moment differences. For Kruskal-Wallis-type data when there are no ties, the location component is the Kruskal-Wallis test. The subsequent components are the extensions. Our approach enables us to generalise to when there are ties, and to when there is a fixed number of categories and a large number of observations. We also propose a generalisation of the well-known median test. In this situation the location-detecting first component of XP2 reduces to the usual median test statistic when there are only two categories. Subsequent components detect higher moment departures from the null hypothesis of equal treatment effects

  6. Extensions panach\\'ees autoduales

    OpenAIRE

    Bertrand, Daniel

    2010-01-01

    We study self-duality of Grothendieck's blended extensions (extensions panach\\'ees) in the context of a tannakian category. The set of equivalence classes of symmetric, resp. antisymmetric, blended extensions is naturally endowed with a torsor structure, which enables us to compute the unipotent radical of the associated monodromy groups in various situations

  7. Extensions of cutting problems: setups

    Directory of Open Access Journals (Sweden)

    Sebastian Henn

    2013-08-01

    Full Text Available Even though the body of literature in the area of cutting and packing is growing rapidly, research seems to focus on standard problems in the first place, while practical aspects are less frequently dealt with. This is particularly true for setup processes which arise in industrial cutting processes whenever a new cutting pattern is started (i.e. a pattern is different from its predecessor and the cutting equipment has to be prepared in order to meet the technological requirements of the new pattern. Setups involve the consumption of resources and the loss of production time capacity. Therefore, consequences of this kind must explicitly be taken into account for the planning and control of industrial cutting processes. This results in extensions to traditional models which will be reviewed here. We show how setups can be represented in such models, and we report on the algorithms which have been suggested for the determination of solutions of the respective models. We discuss the value of these approaches and finally point out potential directions of future research.

  8. Complete nucleotide sequence and organization of the mitogenome of the red-spotted apollo butterfly, Parnassius bremeri (Lepidoptera: Papilionidae) and comparison with other lepidopteran insects.

    Science.gov (United States)

    Kim, Man Il; Baek, Jee Yeon; Kim, Min Jee; Jeong, Heon Cheon; Kim, Ki-Gyoung; Bae, Chang Hwan; Han, Yeon Soo; Jin, Byung Rae; Kim, Iksoo

    2009-10-31

    The 15,389-bp long complete mitogenome of the endangered red-spotted apollo butterfly, Parnassius bremeri (Lepidoptera: Papilionidae) was determined in this study. The start codon for the COI gene in insects has been extensively discussed, and has long remained a matter of some controversy. Herein, we propose that the CGA (arginine) sequence functions as the start codon for the COI gene in lepidopteran insects, on the basis of complete mitogenome sequences of lepidopteran insects, including P. bremeri, as well as additional sequences of the COI start region from a diverse taxonomic range of lepidopteran species (a total of 53 species from 15 families). In our extensive search for a tRNA-like structure in the A+T-rich region, one tRNA(Trp)-like sequence and one tRNA(Leu) (UUR)-like sequence were detected in the P. bremeri A+T-rich region, and one or more tRNA-like structures were detected in the A+T-rich region of the majority of other sequenced lepidopteran insects, thereby indicating that such features occur frequently in the lepidopteran mitogenomes. Phylogenetic analysis using the concatenated 13 amino acid sequences and nucleotide sequences of PCGs of the four macrolepidopteran superfamilies together with the Tortricoidea and Pyraloidea resulted in the successful recovery of a monophyly of Papilionoidea and a monophyly of Bombycoidea. However, the Geometroidea were unexpectedly identified as a sister group of the Bombycoidea, rather than the Papilionoidea.

  9. Self-shielding phenomenon modelling in multigroup transport code Apollo-2; Modelisation du phenomene d'autoprotection dans le code de transport multigroupe Apollo 2

    Energy Technology Data Exchange (ETDEWEB)

    Coste-Delclaux, M

    2006-03-15

    This document describes the improvements carried out for modelling the self-shielding phenomenon in the multigroup transport code APOLLO2. They concern the space and energy treatment of the slowing-down equation, the setting up of quadrature formulas to calculate reaction rates, the setting-up of a method that treats directly a resonant mixture and the development of a sub-group method. We validate these improvements either in an elementary or in a global way. Now, we obtain, more accurate multigroup reaction rates and we are able to carry out a reference self-shielding calculation on a very fine multigroup mesh. To end, we draw a conclusion and give some prospects on the remaining work. (author)

  10. Extension of the limitations of use of modular designed cutting technologies for the competitive decommissioning of nuclear installations (EMOS); Erweiterung der Einsatzgrenzen modularer Schneidtechnologien fuer den kostenguenstigen Rueckbau kerntechnischer Anlagen (EMOS)

    Energy Technology Data Exchange (ETDEWEB)

    Bach, F.W.; Versemann, R.; Louis, H.; Haferkamp, H.; Binia, H.; Kremer, G.; Peter, D.; Drygalla, M. [Inst. fuer Werkstoffkunde, Univ. Hannover (Germany)

    2003-07-01

    In the context of the research project ''Entwicklung und Optimierung modularer Strahlschneid- und Handhabungssysteme fuer den kostenguenstigen Rueckbau kerntechnischer Anlagen'' (MoSH / advancement number 02 S 7818) of the BMBF, which was concluded in the year 2000, different handling systems for dismantling nuclear power plants were qualified. The beam techniques laser beam cutting, abrasive waterjet cutting and plasma arc cutting were compared to each other. The high potential of these cutting techniques could be shown, in particular if they have a consistent interface and are compatible themselves, because in this way they open a field of application with low investment costs. The presented research projects EMOS is based on the extensive results of MOSH and the shown research deficits. On the background of more flexibility, the techniques which come into operation will be advanced. The goal can be achieved by reducing the procedure-specific limitations, by increasing the power and by opening a new field of application for these cutting techniques for dismantling nuclear power plants, particularly also under water. This research project contains the following advancement procedures in detail. (orig.)

  11. 40 CFR 72.44 - Phase II repowering extensions.

    Science.gov (United States)

    2010-07-01

    ... extension plan is submitted for conditional approval, submit by December 31, 1997, a notification to... following elements, in a format prescribed by the Administrator, concerning the technology to be used in a... of Energy, shall make a conditional determination of whether the technology described in the petition...

  12. Phoebus volentem proelia me loqui: The Apollo of Callimachus in Horace

    Directory of Open Access Journals (Sweden)

    Kristina Tomc

    2010-07-01

    Full Text Available The Augustan poets often modelled their recusationes on Callimachus’ portrayal of Apollo in theAetiaPrologue. The paper discusses parallel passages in Horace’s oeuvre, illustrating some typical characteristics of Horace’s poetry and of his attitude to his poetic models. After a brief introduction, the paper first touches on three poems by Horace where the role of Callimachus’ Apollo is taken over by another deity: the Muse in C. 1.6.10-12, Venus in C. 1.19.9-12, and adeus (presumably Cupid in Epod. 14.6-8. The three examples display similarities to, rather than identity with, the Callimachean situation: instead of supplying a direct quote, Horace merely reports the words of a ῾higher power’ which allegedly prevented him from writing what he wanted or what was expected of him. In the two Odes Horace thus refuses to compose an epic, while Epode 14 is not a typical recusatio: Horace’s polished iambics paradoxically profess his inability to compose iambic poetry, and his preference for erotic lyric poetry. The next section focuses on Satire 1.10.31-35, which portrays the Roman god Quirinus warning the young poet in a dream that writing Greek verse is pointless. An analysis of this complex programmatic satire reveals continual departures from, and approximations to, Callimachean poetic, as Horace interweaves several, at times clearly irreconcilable, traditions. Indeed, Callimachean poetic itself is not unequivocal or monolithic but contains many tensions.  The short fourth section discusses Horace’s prayer to Mercury in Satire 2.6.13-15. Although superficially lacking a ῾programmatic’ dimension, the satire in fact contains several allusions to Callimachus. It serves to show that Horace’s images function at several levels at once, and that his satires closely interweave ethics with aesthetics. The final and longest section focuses on Horace’s last poem, C. 4.15. In the first strophe, Horace is finally given

  13. The text of the third agreement to extend the 1987 Regional Co-operative Agreement for Research, Development and Training Related to Nuclear Science and Technology (RCA). Extension of agreement

    International Nuclear Information System (INIS)

    2002-01-01

    The text of the Third Agreement to Extend the 1987 Regional Co-operative Agreement for Research, Development and Training Related to Nuclear Science and Technology, 'the 1987 RCA', is reproduced herein for the information of all Members. Pursuant to Article 1 of the Third Agreement to Extend the 1987 Regional Co-operative Agreement, the 1987 RCA shall continue in force for a further period of five years with effect from 12 June 2002, i.e., through 11 June 2007. As of 15 May 2002, notifications of acceptance had been received by the Director General from the Governments of Bangladesh, China, India, Indonesia, Republic of Korea, Malaysia, Pakistan, Sri Lanka and Viet Nam. The latest status list is attached

  14. Rhabdom evolution in butterflies: insights from the uniquely tiered and heterogeneous ommatidia of the Glacial Apollo butterfly, Parnassius glacialis

    Science.gov (United States)

    Matsushita, Atsuko; Awata, Hiroko; Wakakuwa, Motohiro; Takemura, Shin-ya; Arikawa, Kentaro

    2012-01-01

    The eye of the Glacial Apollo butterfly, Parnassius glacialis, a ‘living fossil’ species of the family Papilionidae, contains three types of spectrally heterogeneous ommatidia. Electron microscopy reveals that the Apollo rhabdom is tiered. The distal tier is composed exclusively of photoreceptors expressing opsins of ultraviolet or blue-absorbing visual pigments, and the proximal tier consists of photoreceptors expressing opsins of green or red-absorbing visual pigments. This organization is unique because the distal tier of other known butterflies contains two green-sensitive photoreceptors, which probably function in improving spatial and/or motion vision. Interspecific comparison suggests that the Apollo rhabdom retains an ancestral tiered pattern with some modification to enhance its colour vision towards the long-wavelength region of the spectrum. PMID:22628477

  15. Restoration of Apollo Data by the Lunar Data Project/PDS Lunar Data Node: An Update

    Science.gov (United States)

    Williams, David R.; Hills, H. Kent; Taylor, Patrick T.; Grayzeck, Edwin J.; Guinness, Edward A.

    2016-01-01

    The Apollo 11, 12, and 14 through 17 missions orbited and landed on the Moon, carrying scientific instruments that returned data from all phases of the missions, included long-lived Apollo Lunar Surface Experiments Packages (ALSEPs) deployed by the astronauts on the lunar surface. Much of these data were never archived, and some of the archived data were on media and in formats that are outmoded, or were deposited with little or no useful documentation to aid outside users. This is particularly true of the ALSEP data returned autonomously for many years after the Apollo missions ended. The purpose of the Lunar Data Project and the Planetary Data System (PDS) Lunar Data Node is to take data collections already archived at the NASA Space Science Data Coordinated Archive (NSSDCA) and prepare them for archiving through PDS, and to locate lunar data that were never archived, bring them into NSSDCA, and then archive them through PDS. Preparing these data for archiving involves reading the data from the original media, be it magnetic tape, microfilm, microfiche, or hard-copy document, converting the outmoded, often binary, formats when necessary, putting them into a standard digital form accepted by PDS, collecting the necessary ancillary data and documentation (metadata) to ensure that the data are usable and well-described, summarizing the metadata in documentation to be included in the data set, adding other information such as references, mission and instrument descriptions, contact information, and related documentation, and packaging the results in a PDS-compliant data set. The data set is then validated and reviewed by a group of external scientists as part of the PDS final archive process. We present a status report on some of the data sets that we are processing.

  16. Sunrise-driven movements of dust on the Moon: Apollo 12 Ground-truth measurements

    Science.gov (United States)

    O'Brien, Brian J.; Hollick, Monique

    2015-12-01

    The first sunrise after Apollo 12 astronauts left the Moon caused dust storms across the site where rocket exhausts had disrupted about 2000 kg of smooth fine dust. The next few sunrises started progressively weaker dust storms, and the Eastern horizon brightened, adding to direct sunlight for half an hour. These Ground truth measurements were made 100 cm above the surface by the 270 g Apollo 12 Dust Detector Experiment we invented in 1966. Dust deposited on the horizontal solar cell during two lunar days after the first sunrise was almost 30% of the total it then measured over 6 years. The vertical east-facing solar cell measured horizon brightening on 14 of the first 17 lunations, with none detected on the following 61 Lunar Days. Based on over 2 million such measurements we propose a new qualitative model of sunrise-driven transport of individual dust particles freed by Apollo 12 activities from strong particle-to-particle cohesive forces. Each sunrise caused sudden surface charging which, during the first few hours, freshly mobilised and lofted the dust remaining free, microscopically smoothing the disrupted local areas. Evidence of reliability of measurements includes consistency among all 6 sensors in measurements throughout an eclipse. We caution Google Lunar XPrize competitors and others planning missions to the Moon and large airless asteroids that, after a spacecraft lands, dust hazards may occur after each of the first few sunrises. Mechanical problems in its first such period stranded Chinese lunar rover Yutu in 2014, although we would not claim yet that the causes were dust. On the other hand, sunrise-driven microscopic smoothing of disturbed areas may offer regular natural mitigations of dust consequences of mining lunar resources and reduce fears that many expeditions might cause excessive fine dust globally around the Moon.

  17. LIMB Demonstration Project Extension and Coolside Demonstration

    Energy Technology Data Exchange (ETDEWEB)

    Goots, T.R.; DePero, M.J.; Nolan, P.S.

    1992-11-10

    This report presents results from the limestone Injection Multistage Burner (LIMB) Demonstration Project Extension. LIMB is a furnace sorbent injection technology designed for the reduction of sulfur dioxide (SO[sub 2]) and nitrogen oxides (NO[sub x]) emissions from coal-fired utility boilers. The testing was conducted on the 105 Mwe, coal-fired, Unit 4 boiler at Ohio Edison's Edgewater Station in Lorain, Ohio. In addition to the LIMB Extension activities, the overall project included demonstration of the Coolside process for S0[sub 2] removal for which a separate report has been issued. The primary purpose of the DOE LIMB Extension testing, was to demonstrate the generic applicability of LIMB technology. The program sought to characterize the S0[sub 2] emissions that result when various calcium-based sorbents are injected into the furnace, while burning coals having sulfur content ranging from 1.6 to 3.8 weight percent. The four sorbents used included calcitic limestone, dolomitic hydrated lime, calcitic hydrated lime, and calcitic hydrated lime with a small amount of added calcium lignosulfonate. The results include those obtained for the various coal/sorbent combinations and the effects of the LIMB process on boiler and plant operations.

  18. Robotic hand with modular extensions

    Science.gov (United States)

    Salisbury, Curt Michael; Quigley, Morgan

    2015-01-20

    A robotic device is described herein. The robotic device includes a frame that comprises a plurality of receiving regions that are configured to receive a respective plurality of modular robotic extensions. The modular robotic extensions are removably attachable to the frame at the respective receiving regions by way of respective mechanical fuses. Each mechanical fuse is configured to trip when a respective modular robotic extension experiences a predefined load condition, such that the respective modular robotic extension detaches from the frame when the load condition is met.

  19. Think - Baltic Extension / Kalle Kask

    Index Scriptorium Estoniae

    Kask, Kalle

    2002-01-01

    Tallinna TÜ Rehabilitatsiooni tehnoloogia keskus korraldas pressikonverentsi, kus tutvustati osalemist EL V raamprogrammis Think - Baltic Extension, mis on suunatud puuetega inimeste tööhõive tagamisele

  20. Low-gravity homogenization and solidification of aluminum antimonide. [Apollo-Soyuz test project

    Science.gov (United States)

    Ang, C.-Y.; Lacy, L. L.

    1976-01-01

    The III-V semiconducting compound AlSb shows promise as a highly efficient solar cell material, but it has not been commercially exploited because of difficulties in compound synthesis. Liquid state homogenization and solidification of AlSb were carried out in the Apollo-Soyuz Test Project Experiment MA-044 in the hope that compositional homogeneity would be improved by negating the large density difference between the two constituents. Post-flight analysis and comparative characterization of the space-processed and ground-processed samples indicate that there are major homogeneity improvements in the low-gravity solidified material.

  1. Moonquakes and lunar tectonism results from the Apollo passive seismic experiment.

    Science.gov (United States)

    Latham, G.; Ewing, M.; Dorman, J.; Lammlein, D.; Press, F.; Toksoz, N.; Sutton, G.; Duennebier, F.; Nakamura, Y.

    1972-01-01

    The natural seismicity of the moon appears to be very low relative to that of the earth. However, moonquakes do occur. They are detected by the stations of the Apollo seismic network at an average rate of 1800/yr at Station 14 and at lower rates at Stations 12 and 15. All of the moonquakes are small, and in the few cases for which the foci have been located, they occur at great depth (about 800 km). The frequency of occurrence of moonquakes is strongly correlated with lunar tides. The dynamic processes that generate quakes are clearly much less vigorous within the moon than they are within the earth.

  2. Agglutinates as indicators of lunar soil maturity - The rare gas evidence at Apollo 16

    Science.gov (United States)

    Charette, M. P.; Adams, J. B.

    1975-01-01

    The weight percent of lunar agglutinic glass (glass-welded aggregates resulting from micrometeorite impacts) in Apollo 16 bulk soils is considered with respect to quantities of trapped rare gases, e.g., He-4, Ne-20, Ar-36, Kr-84, and Xe-132, in an effort to determine the cumulative time a given soil sample has spent exposed on the lunar surface. The agglutinic glass, which reacts strongly in a magnetic field, is obtained by the standard fluid (methanol)-magnetic technique. It is noted that the absolute concentrations of trapped rare gases all show a linear relationship with increasing agglutinic glass content.

  3. Apollo Soyuz Test Project Weights and Mass Properties Operational Management System

    Science.gov (United States)

    Collins, M. A., Jr.; Hischke, E. R.

    1975-01-01

    The Apollo Soyuz Test Project (ASTP) Weights and Mass Properties Operational Management System was established to assure a timely and authoritative method of acquiring, controlling, generating, and disseminating an official set of vehicle weights and mass properties data. This paper provides an overview of the system and its interaction with the various aspects of vehicle and component design, mission planning, hardware and software simulations and verification, and real-time mission support activities. The effect of vehicle configuration, design maturity, and consumables updates is discussed in the context of weight control.

  4. Extended HFSE systematics of Apollo samples - wrenching further Secrets from the Lunar Mantle

    Science.gov (United States)

    Thiemens, M. M.; Sprung, P.; Munker, C.

    2016-12-01

    As Earth's intimate companion, the Moon provides a close extraterrestrial view on planetary differentiation. In turn, investigating chemical and isotopic compositions of lunar rocks for traces of a putative crystallizing Lunar Magma Ocean (LMO) provides a better understanding of the evolution and differentiation of infant planetary bodies.We expand on high-precision extended High Field Strength Element (HFSE) observations of Münker [1]. In detail, we investigate if the HFSE systematics of low- and high- Ti basalts, KREEPy basalts and breccias, soils, and ferroan anorthosites (FAN) are consistent with their formation from the LMO (FAN, KREEP) or mantle sources comprising mixtures of primary LMO products [2] (mare basalts). Of particular interest is the recently discovered dependence of HFSE partitioning on the Ti-concentration of co-existing melts [3] and that of W partitioning on oxygen fugacity [3,4].Our data form a positively correlated array in Zr/Hf vs. Nb/Ta space, similar to previous high-precision [1] but unlike lower-precision data. The HFSE systematics of different rock types from the Apollo missions mostly form distinct groups. High-Ti and some Apollo 12 low-Ti mare basalts form the lower end of the array, KREEPy samples its upper end. Low Zr/Nb in most high-Ti mare basalts and the globally highest Hf/W confirm involvement of Ti-rich-oxide-bearing cumulates in high-Ti formation [e.g., 1,2]. No global lunar trends exist for Hf/W vs. Zr/Nb. Overall, the composition of KREEPy samples agrees reasonably well with model KREEP-compositions assuming a LMO below IW-1 [1,4].Clearly distinct groupings observed for the various rock types and the lack of a global trend in Hf/W vs. Zr/Nb calls for melting of distinct ultramafic sources [1]. The HFSE systematics of Apollo rocks tend to support a LMO scenario, setting the stage for more detailed petrogenetic modeling. Initial modeling suggests that the lunar mantle must possess residual metal to reconcile the HFSE

  5. View of crater Paracelsus on lunar farside as photographed by Apollo 15

    Science.gov (United States)

    1971-01-01

    A near vertical view of the crater Paracelsus (formerly called I.A.U. crater 365) on the lunar farside, as photographed by the Fairchild metric camera in the SIM bay of the Apollo 15 Command/Service Module in lunar orbit. Note mountain peak in center of Paracelsus. The coordinates of the center of Paracelsus are 163 degrees east longitude and 23 degrees south latitude. The second largest crater in the picture is identified as number 364 by the I.A.U.

  6. EXTENSION WORKERS' OPINIONS REGARDING THE ...

    African Journals Online (AJOL)

    The primary purpose of the study was to determine extension worker's opinions regarding the influence of the National Maize Competition (NAMCOM) on the farmers' agricultural practices and experiences in the Manzini region. A census population of front-line extension workers in charge of the participating areas in ...

  7. Journal of Agricultural Extension: Submissions

    African Journals Online (AJOL)

    Publication Ethics Articles published in the Journal of Agricultural Extension must be relevant to extension practice and should not have been published or under ... COI involves using your position as an author, editor, or reviewer to promote your interests (business or financial), or those of your external relationships (family ...

  8. Quotient semigroups and extension semigroups

    Indian Academy of Sciences (India)

    the viewpoint of C∗-algebra and apply them to a survey of extension semigroups. Cer- tain interrelations ... -algebra extension theory and K K-theory, it is crucial to study the theory of quotient semigroups from the ... Similar to the construction of quotient group and quotient linear space, quotient semi- group may be induced ...

  9. Repeat Customer Success in Extension

    Science.gov (United States)

    Bess, Melissa M.; Traub, Sarah M.

    2013-01-01

    Four multi-session research-based programs were offered by two Extension specialist in one rural Missouri county. Eleven participants who came to multiple Extension programs could be called "repeat customers." Based on the total number of participants for all four programs, 25% could be deemed as repeat customers. Repeat customers had…

  10. Hom-associative Ore extensions

    Science.gov (United States)

    Bäck, P.; Richter, J.; Silvestrov, S.

    2018-02-01

    We introduce hom-associative Ore extensions as non-associative, non-unital Ore extensions with a hom-associative multiplication, as well as give some necessary and sufficient conditions when such exist. Within this framework, we also construct a family of hom-associative Weyl algebras as generalizations of the classical analogue, and prove that they are simple.

  11. Research-extension-farmer linkages

    African Journals Online (AJOL)

    i Training extension staff and farmers . ..ii Producing fry for satellite centres at the regions and for fish fanners; and iii Conducting experiments on fish production, productivity and water quality. Restructuring of Agricultural Research and Extension services. The organisation ofUganda's national agricultural research.

  12. Frames and extension problems I

    DEFF Research Database (Denmark)

    Christensen, Ole

    2014-01-01

    In this article we present a short survey of frame theory in Hilbert spaces. We discuss Gabor frames and wavelet frames and set the stage for a discussion of various extension principles; this will be presented in the article Frames and extension problems II (joint with H.O. Kim and R.Y. Kim)....

  13. Extension and the Practicing Veterinarian

    Science.gov (United States)

    Meyerholz, G. W.

    1974-01-01

    In order for Extension programs of veterinary medicine to succeed, good relationships are needed among university veterinarians, practicing local veterinarians, county Extension agents and the clientele. This author attempts to define some roles and relationships and offer some suggestions for the improvement of relationships to increase…

  14. The Complete Book of Spaceflight: From Apollo 1 to Zero Gravity

    Science.gov (United States)

    Darling, David

    2002-11-01

    A commanding encyclopedia of the history and principles of spaceflight-from earliest conceptions to faster-than-light galaxy-hopping Here is the first truly comprehensive guide to space exploration and propulsion, from the first musings of the Greeks to current scientific speculation about interstellar travel using "warp drives" and wormholes. Space buffs will delight in its in-depth coverage of all key manned and unmanned missions and space vehicles-past, present, and projected-and its clear explanations of the technologies involved. Over the course of more than 2,000 extensively cross-referenced entries, astronomer David Darling also provides fascinating insights into the cultural development of spaceflight. In vivid accounts of the major characters and historical events involved, he provides fascinating tales of early innovators, the cross-pollination that has long existed between science fiction and science fact, and the sometimes obscure links between geopolitics, warfare, and advances in rocketry.

  15. Endoscopic sleeve gastroplasty (the Apollo method: a new approach to obesity management

    Directory of Open Access Journals (Sweden)

    Gontrand López-Nava-Breviere

    2016-04-01

    Full Text Available Background: Many obese patients cannot lose weight or reject conventional obesity management. Endoscopic sleeve gastroplasty (the Apollo method is a pioneering coadjuvant, interventionist technique for the integral management of obesity. Objectives: The goals of this study were to report safety and efficacy results obtained at 6 months in patients undergoing endoscopic sleeve gastroplasty. Material and methods: A prospective study was performed in 55 patients (13 males, 42 females who were subjected to the Apollo technique; mean age was 43.5 years (range 25-60 and mean BMI was 37.7 kg/m² (range 30-48. All received multidisciplinary follow-up for weight loss. Weight changes and presence of complications were assessed. Through the endoscope a triangular pattern suture is performed consisting of approximately 3-6 transmural (mucosa to serosa stitches, using a cinch device to bring them nearer and form a plication. Results: A total of 6-8 plications are used to provide a tubular or sleeve-shaped restriction to the gastric cavity. No major complications developed and patients were discharged at 24 hours following the procedure. Endoscopic and radiographic follow-up at 6 months post-procedure showed a well preserved tubular form to the stomach. After 6 months patients had lost 18.9 kg and 55.3% of excess weight. Conclusions: Endoscopic sleeve gastroplasty, together with dietary and psycho-behavioral changes, is a safe, effective technique in the coadjuvant management of obese patients.

  16. High performance 3D neutron transport on peta scale and hybrid architectures within APOLLO3 code

    International Nuclear Information System (INIS)

    Jamelot, E.; Dubois, J.; Lautard, J-J.; Calvin, C.; Baudron, A-M.

    2011-01-01

    APOLLO3 code is a common project of CEA, AREVA and EDF for the development of a new generation system for core physics analysis. We present here the parallelization of two deterministic transport solvers of APOLLO3: MINOS, a simplified 3D transport solver on structured Cartesian and hexagonal grids, and MINARET, a transport solver based on triangular meshes on 2D and prismatic ones in 3D. We used two different techniques to accelerate MINOS: a domain decomposition method, combined with an accelerated algorithm using GPU. The domain decomposition is based on the Schwarz iterative algorithm, with Robin boundary conditions to exchange information. The Robin parameters influence the convergence and we detail how we optimized the choice of these parameters. MINARET parallelization is based on angular directions calculation using explicit message passing. Fine grain parallelization is also available for each angular direction using shared memory multithreaded acceleration. Many performance results are presented on massively parallel architectures using more than 103 cores and on hybrid architectures using some tens of GPUs. This work contributes to the HPC development in reactor physics at the CEA Nuclear Energy Division. (author)

  17. Determining the 3D Subsurface Density Structure of Taurus Littrow Valley Using Apollo 17 Gravity Data

    Science.gov (United States)

    Urbancic, N.; Ghent, R.; Stanley, S,; Johnson, C. L.; Carroll, K. A.; Hatch, D.; Williamson, M. C.; Garry, W. B.; Talwani, M.

    2016-01-01

    Surface gravity surveys can detect subsurface density variations that can reveal subsurface geologic features. In 1972, the Apollo 17 (A17) mission conducted the Traverse Gravimeter Experiment (TGE) using a gravimeter that measured the local gravity field near Taurus Littrow Valley (TLV), located on the south-eastern rim of the Serenitatis basin. TLV is hypothesized to be a basaltfilled radial graben resulting from the impact that formed Mare Serenitatis. It is bounded by both the North and South Massifs (NM and SM) as well as other smaller mountains to the East that are thought to be mainly composed of brecciated highland material. The TGE is the first and only successful gravity survey on the surface of the Moon. Other more recent satellite surveys, such as NASA's Gravity Recovery and Interior Laboratory (GRAIL) mission (2011- 2012), have produced the best global gravity field to date (approx. 13km resolution). However, these satellite surveys are not sensitive enough to detect fine-scale (structures. This underscores the value of the data collected at the surface by A17. In the original analysis of the data a 2D forward-modelling approach was used to derive a thickness of the subsurface basalt layer of 1.0 km by assuming a simple flat-faced rectangular geometry and using densities derived from Apollo lunar samples. We are investigating whether modern 3D modelling techniques in combination with high-resolution topographical and image datasets can reveal additional fine-scale subsurface structure in TLV.

  18. Chronology and isotopic geochemistry of Apollo 14 basalts and Skaergard Gabbro, Eastern Greenland

    International Nuclear Information System (INIS)

    Dasch, E.J.

    1986-01-01

    Work completed on Apollo 14 basalts has been published. The two dates obtained from these rocks comprised the oldest and two of the three oldest ages (4.1 and 4.3 billion years) known for lunar maria basalts; thus their ages are important in understanding the moon's earliest history. Owing to the antiquity of these rocks, two more fragments have been dated as part of a second ASEE/NASA SFF program. The new ages are 3.95 and 4.12 billion years, thus further establishing and amplifying the earlier results. This work, although perhaps more interesting for its chronologic information, was begun as a test of chemical and petrographic models. Fragments of Apollo basalt were placed into five categories, based on petrologic and chemical, especially rare-earth element, composition. Isotopic studies were begun in an attempt to determine if the five groups of basalts were related by age or initial isotopic composition (isotopic composition of lava at time of extrusion). Although a few of the representatives of the five groups have the same age and/or initial strontium-isotopic composition, within the analtytical uncertainties, most apparently are unrelated. Petrologic implications of these data will be published in an appropriate journal

  19. New Improvements in Mixture Self-Shielding Treatment with APOLLO2 Code

    International Nuclear Information System (INIS)

    Coste-Delclaux, M.

    2006-01-01

    Full text of the presentation follows: APOLLO2 is a modular multigroup transport code developed at the CEA in Saclay (France). Previously, the self-shielding module could only treat one resonant isotope mixed with moderator isotopes. Consequently, the resonant mixture self-shielding treatment was an iterative one. Each resonant isotope of the mixture was treated separately, the other resonant isotopes of the mixture being then considered as moderator isotopes, that is to say non-resonant isotopes. This treatment could be iterated. Recently, we have developed a new method that consists in treating the resonant mixture as a unique entity. A main feature of APOLLO2 self-shielding module is that some implemented models are very general and therefore very powerful and versatile. We can give, as examples, the use of probability tables in order to describe the microscopic cross-section fluctuations or the TR slowing-down model that can deal with any resonance shape. The self-shielding treatment of a resonant mixture was developed essentially thanks to these two models. The goal of this paper is to describe the improvements on the self-shielding treatment of a resonant mixture and to present, as an application, the calculation of the ATRIUM-10 BWR benchmark. We will conclude by some prospects on remaining work in the self-shielding domain. (author)

  20. Apollo 15 impact melts, the age of Imbrium, and the Earth-Moon impact cataclysm

    Science.gov (United States)

    Ryder, Graham; Dalrymple, G. Brent

    1992-01-01

    The early impact history of the lunar surface is of critical importance in understanding the evolution of both the primitive Moon and the Earth, as well as the corresponding populations of planetesimals in Earth-crossing orbits. Two endmember hypotheses call for greatly dissimilar impact dynamics. One is a heavy continuous (declining) bombardment from about 4.5 Ga to 3.85 Ga. The other is that an intense but brief bombardment at about 3.85 +/- Ga was responsible for producing the visible lunar landforms and for the common 3.8-3.9 Ga ages of highland rocks. The Apennine Front, the main topographic ring of the Imbrium Basin, was sampled on the Apollo 15 mission. The Apollo 15 impact melts show a diversity of chemical compositions, indicating their origin in at least several different impact events. The few attempts at dating them have generally not produced convincing ages, despite their importance. Thus, we chose to investigate the ages of melt rock samples from the Apennine Front, because of their stratigraphic importance yet lack of previous age definition.

  1. Breccia 66055 and related clastic materials from the Descartes region, Apollo 16

    Science.gov (United States)

    Fruchter, J. S.; Kridelbaugh, S. J.; Robyn, M. A.; Goles, G. G.

    1974-01-01

    Trace and major element contents obtained by instrumental neutron activation are reported for a number of Apollo 16 soil samples and miscellaneous breccia fragments. In addition, data obtained by instrumental neutron activation and electron microprobe techniques along with petrographic descriptions are presented for selected subsamples of breccia 66055. The compositions of our soil samples can be modeled by mixtures of various amounts of anorthosite, anorthositic gabbro and low-K Fra Mauro basalt components. These mixtures are typical of those found in a number of petrographic surveys of the fines. Breccia 66055 is a complex regolith breccia which consists of at least four distinct types of microbreccias. No systematic relation with respect to stratigraphic age among the various microbreccia types was observed. Compositionally and texturally, the clasts which compose breccia 66055 are similar to a number of previously reported rock types from the Apollo 16 area. The entire breccia appears to have undergone a complex history of thermal metamorphism. We conclude from the study of these samples that the Cayley Formation is probably homogeneous in its gross compositional and petrographic aspects.

  2. Effective, Efficient Online Training in Cooperative Extension

    Directory of Open Access Journals (Sweden)

    Jane Chin Young

    2014-09-01

    Full Text Available In order to keep pace with media and communications trends in education, Cooperative Extension (CE faces the need to shift from traditional face-to-face delivery to online alternatives. This exploratory study focused on evaluating the effectiveness of on-demand, interactive online training compared to its face-to-face counterpart. Targeted for CE staff and volunteers whose work impacts youth, families and communities, the design centered on the university’s cost-effective in-house technology tools. The study results make the case for online delivery as effective and efficient. Strategies for developing a process for online delivery in CE are also offered.

  3. Large Impacts Detected by the Apollo Seismometers: 2. Impactor Mass Estimation

    Science.gov (United States)

    Gudkova, T.; Lognonné, Ph.; Gagnepain-Beyneix, J.

    2010-05-01

    Meteoroid impacts are important seismic sources on the Moon. As they continuously impact the Moon, they probably are a significant contribution to the lunar micro-seismic background noise. They also were associated with the most powerful seismic sources recorded by the Apollo seismic network. We have selected for our analysis three large meteoroids impacts (impacts on day the 13th and the 25th of January and the 14th of November 1976) and show that their mass can be estimated with rather simple modeling technique. The comparison between the signals recorded by Apollo seismic stations and synthetic amplitudes of seismograms was used to determine the momentum transfer of the impactors. Only the vertical components at each station have been used. In order to calibrate and check our results, we first started with the artificial impacts for which the characteristics of the source (impact velocity and mass), its location and time are well known from the National Aeronautics and Space Administration's tracking information. For this purpose, we have computed synthetic seismic waveforms in a spherical lunar model, up to 2.5 sec in signal period. This approach does not model the scattering and lateral variations effects and cannot be used for a direct comparison with the recorded waveforms. It however models partially the reverberation processes in the shallow low velocity zone and allows us to compute a rough estimation of the seismic energy in a given time window. Its square root, equivalent to the mean rms in the window, is proportional to the seismic impulse, i.e. the time integrated seismic force. We generally observe amplitudes within 10-30 % of those estimated by synthetic seismograms. The dispersion is in agreement with estimates by Lognonné et al . (2009), but here the agreement is found directly with the synthetics. The validity of this approach was confirmed for the artificial impacts, and we therefore used it to determine the momentum of some of the largest

  4. Changes is genes coding for laccases 1 and 2 may contribute to deformation and reduction of wings in apollo butterfly (Parnassius apollo, Lepidoptera: Papilionidae) from the isolated population in Pieniny National Park (Poland).

    Science.gov (United States)

    Łukasiewicz, Kinga; Węgrzyn, Grzegorz

    2016-01-01

    An isolated population of apollo butterfly (Parnassius apollo, Lepidoptera: Papilionidae) occurs in Pieniny National Park (Poland). Deformations and reductions of wings in a relatively large number of individuals from this population is found, yet the reasons for these defects are unknown. During studies devoted to identify cause(s) of this phenomenon, we found that specific regions of genes coding of enzymes laccases 1 and 2 could not be amplified from DNA samples isolated from large fractions of malformed insects while expected PCR products were detected in almost all (with one exception) normal butterflies. Laccases (p-diphenol:dioxygen oxidoreductases) are oxidases containing several copper atoms. They catalyse single-electron oxidations of phenolic or other compounds with concomitant reduction of oxygen to water. In insects, their enzymatic activities were found previously in epidermis, midgut, Malpighian tubules, salivary glands, and reproductive tissues. Therefore, we suggest that defects in genes coding for laccases might contribute to deformation and reduction of wings in apollo butterflies, though it seems obvious that deficiency in these enzymes could not be the sole cause of these developmental improperties in P. apollo from Pieniny National Park.

  5. Learning Joomla! 3 extension development

    CERN Document Server

    Plummer, Tim

    2013-01-01

    A practical guide with step-by-step examples that build on each other so you can learn by doing and get hands-on knowledge about creating your plugins, modules, and components in Joomla.""Learning Joomla! 3 Extension Development, Third Edition"" is for developers who want to create their own Joomla extensions. It is assumed you will have some basic PHP, HTML, and CSS knowledge, but you don't need any prior Joomla programming experience. This book will also be useful to people who just want to make minor customizations to existing Joomla extensions and build on the work of others in the open so

  6. Extensions of the Standard Model

    CERN Document Server

    Zwirner, Fabio

    1996-01-01

    Rapporteur talk at the International Europhysics Conference on High Energy Physics, Brussels (Belgium), July 27-August 2, 1995. This talk begins with a brief general introduction to the extensions of the Standard Model, reviewing the ideology of effective field theories and its practical implications. The central part deals with candidate extensions near the Fermi scale, focusing on some phenomenological aspects of the Minimal Supersymmetric Standard Model. The final part discusses some possible low-energy implications of further extensions near the Planck scale, namely superstring theories.

  7. Design and flight experience with a digital fly-by-wire control system using Apollo guidance system hardware on an F-8 aircraft.

    Science.gov (United States)

    Deets, D. A.; Szalai, K. J.

    1972-01-01

    This paper discusses the design and initial flight tests of the first digital fly-by-wire system to be flown in an aircraft. The system, which used components from the Apollo guidance system, was installed in an F-8 aircraft. A lunar module guidance computer is the central element in the three-axis, single-channel, multimode, digital, primary control system. An electrohydraulic triplex system providing unaugmented control of the F-8 aircraft is the only backup to the digital system. Emphasis is placed on the digital system in its role as a control augmentor, a logic processor, and a failure detector. A sampled-data design synthesis example is included to demonstrate the role of various analytical and simulation methods. The use of a digital system to implement conventional control laws was shown to be practical for flight. Logic functions coded as an integral part of the control laws were found to be advantageous. Verification of software required an extensive effort, but confidence in the software was achieved. Initial flight results showed highly successful system operation, although quantization of pilot's stick and trim were areas of minor concern from the piloting standpoint.

  8. Journal of Environmental Extension: Submissions

    African Journals Online (AJOL)

    Water management. Such articles should address the following issues: Environmental impacts of practices, policies and technologies. Development of indigenous environmental practices, ideas and management. Enhancing participatory approach to technology development for sustainability and biodiversity conservation

  9. A potpourri of pristine moon rocks, including a VHK mare basalt and a unique, augite-rich Apollo 17 anorthosite

    Science.gov (United States)

    Warren, P. H.; Shirley, D. N.; Kallemeyn, G. W.

    1986-01-01

    The anorthosite fragment, 76504,18, the first of the Apollo 17's pristine anorthosites, was found to have: (1) a higher ratio of high-Ca pyroxine to low-Ca pyroxene, (2) higher Na in its plagioclase, (3) higher contents of incompatible elements, and (4) a higher Eu/Al ratio in comparison to ferroan anorthosites. With a parent melt having a negative Eu anomaly, 76504,18 closely resembles a typical mare basalt. This anorthosite was among the latest to be formed by plagioclase flotation above a primordial magmasphere; typical mare basalt regions accumulated at about the same time or even earlier. Another fragment 14181c, a very high potassium basalt, was studied and found to be similar to typical Apollo 14 mare basalt though it has a K/La ratio of 1050. It is suggested that this lithology formed after a normal Apollo 14 mare basaltic melt partially assimilated granite. New data for siderphile elements in Apollo 12 mare basalts indicate that only the lowest of earlier data are trustworthy as being free of laboratory contamination.

  10. 78 FR 50135 - AIMS Worldwide, Inc., Apollo Capital Group, Inc., CommunitySouth Financial Corp., Last Mile...

    Science.gov (United States)

    2013-08-16

    ... SECURITIES AND EXCHANGE COMMISSION [File No. 500-1] AIMS Worldwide, Inc., Apollo Capital Group, Inc., CommunitySouth Financial Corp., Last Mile Logistics Group, Inc., Made in America Entertainment... concerning the securities of Last Mile Logistics Group, Inc. because it has not filed any periodic reports...

  11. Extension agents and conflict narratives

    DEFF Research Database (Denmark)

    Bond, Jennifer Lauren

    2016-01-01

    conflict. Originality: This work contributes to a growing body of literature interested in the role of extension agents in conflict management. By applying Q methodology, this work has shown that while extension agents are involved in conflict management, their perceptions of these conflicts are subjective......Purpose: This work investigated the narratives of development extensionists in relation to natural resource conflict, in order to understand the competing discourses surrounding the wicked problems of natural resource management in Laikipia County, Kenya. Methodology: Q methodology was used...... to elicit the conflict narratives present among extension professionals. A concourse of 221 statements were devised from interviews and group discussions with key informants and a final sample of 49 statements was used for the sorting. Thirteen Q-sorts were undertaken with among rural extension...

  12. A New Moonquake Catalog from Apollo 17 Seismic Data II: Lunar Surface Gravimeter: Implications of Expanding the Passive Seismic Array

    Science.gov (United States)

    Phillips, D.; Dimech, J. L.; Weber, R. C.

    2017-12-01

    Apollo 17's Lunar Surface Gravimeter (LSG) was deployed on the Moon in 1972, and was originally intended to detect gravitational waves as a confirmation of Einstein's general theory of relativity. Due to a design problem, the instrument did not function as intended. However, remotely-issued reconfiguration commands permitted the instrument to act effectively as a passive seismometer. LSG recorded continuously until Sept. 1977, when all surface data recording was terminated. Because the instrument did not meet its primary science objective, little effort was made to archive the data. Most of it was eventually lost, with the exception of data spanning the period March 1976 until Sept. 1977, and a recent investigation demonstrated that LSG data do contain moonquake signals (Kawamura et al., 2015). The addition of useable seismic data at the Apollo 17 site has important implications for event location schemes, which improve with increasing data coverage. All previous seismic event location attempts were limited to the four stations deployed at the Apollo 12, 14, 15, and 16 sites. Apollo 17 extends the functional aperture of the seismic array significantly to the east, permitting more accurate moonquake locations and improved probing of the lunar interior. Using the standard location technique of linearized arrival time inversion through a known velocity model, Kawamura et al. (2015) used moonquake signals detected in the LSG data to refine location estimates for 49 deep moonquake clusters, and constrained new locations for five previously un-located clusters. Recent efforts of the Apollo Lunar Surface Experiments Package Data Recovery Focus Group have recovered some of the previously lost LSG data, spanning the time period April 2, 1975 to June 30, 1975. In this study, we expand Kawamura's analysis to the newly recovered data, which contain over 200 known seismic signals, including deep moonquakes, shallow moonquakes, and meteorite impacts. We have completed initial

  13. Boiler-turbine life extension

    Energy Technology Data Exchange (ETDEWEB)

    Natzkov, S. [TOTEMA, Ltd., Sofia (Bulgaria); Nikolov, M. [CERB, Sofia (Bulgaria)

    1995-12-01

    The design life of the main power equipment-boilers and turbines is about 105 working hours. The possibilities for life extension are after normatively regulated control tests. The diagnostics and methodology for Boilers and Turbines Elements Remaining Life Assessment using up to date computer programs, destructive and nondestructive control of metal of key elements of units equipment, metal creep and low cycle fatigue calculations. As well as data for most common damages and some technical decisions for elements life extension are presented.

  14. The Attitudes of Agricultural Extension Workers towards the Use of E-Extension for Ensuring Sustainability in the Kingdom of Saudi Arabia

    Directory of Open Access Journals (Sweden)

    Adeel Afzal

    2016-09-01

    Full Text Available E-extension as a modern mode of communication can be used to improve the effectiveness and efficiency of extension services for agricultural sustainability. E-extension is the delivery of extension services using the Internet and the latest information communication technologies (ICTs, which allow networking, online sharing, and collaboration. Extension workers are a key factor in conducting an effective agricultural extension work plan; therefore, understanding extension workers’ attitudes towards the use of E-extension is important. It has been noted in some studies that, before implementing ICTs, positive attitudes from extension workers is required. This study analyzed the attitudes of extension workers towards the use of E-extension in the Kingdom of Saudi Arabia (KSA. A survey questionnaire was developed comprising statements regarding E-extension and then distributed through the post to all 230 extension workers in the Kingdom with the help of the Ministry of Agriculture. The findings show that extension workers generally had a positive attitude towards the use of E-extension. Significant relationships were found between the overall means of extension workers’ attitudes towards E-extension and their age, years of service, and computer experience. In the light of the results, recommendations drawn are as follows: encouraging extension workers, especially those who are older, to use the E-extension system through exclusive training programs and refresher courses; and incorporating combined workshops for extension workers with few and more years of service to eliminate the generation gap and instigating a better understanding of the E-extension system.

  15. The programs for lifetime extension by AREVA

    International Nuclear Information System (INIS)

    Knoche, P.

    2014-01-01

    In 2011 AREVA launched 2 worldwide programs to meet the demands of its customers: 'AREVA Safety Alliance' that proposes a set of measures for post-Fukushima safety upgrading and 'AREVA Forward Alliance' that is dedicated to lifetime extension projects. Concerning 'AREVA Safety Alliance' about 150 projects have been carried out for 53 customers in 19 countries, as for 'AREVA Forward Alliance' 60% of the lifetime extension projects in the US have been performed by AREVA. In the framework of lifetime extension projects, upgrading measures and services are proposed such as the installation of hydrogen recombiner units, of filtered ventilation systems for severe accidents, or the upgrading of the reactor control system through the implementation of the digital Teleperm XS technology, or recommendations about the methodology to follow for the repair or replacement of important components. The replacement of steam generators and of the pressurizer and with other upgrading works led to a gain of 18.5% on the output power of the Ringhals-4 unit. (A.C.)

  16. Agricultural extension and mass media.

    Science.gov (United States)

    Perraton, H

    1983-12-01

    To learn more about the use of the mass media for agricultural extension, the World Bank has considered the efforts of 2 units: INADES-formation in West Africa and the Extension Aids Branch of Malawi. The INADES-formation study focuses on Cameroon but also considers work in Rwanda and the Ivory Coast. Some general conclusions emerge from a comparison of the 2 organizations. Malawi operates an extension service which reaches farmers through extension agents, through farmer training centers, and through mass media. The Extension Aids Branch (EAB) has responsibility for its media work and broadcasts 4 1/2 hours of radio each week. Its 6 regular radio programs include a general program which interviews farmers, a music request program in which the music is interspersed with farming advice, a farming family serial, and a daily broadcast of agricultural news and information. The 17 cinema vans show some agricultural films, made by EAB, some entertainment films, and some government information films from departments other than the ministry of agriculture. EAB also has a well-developed program of research and evaluation of its own work. INADES-formation, the training section of INADES, works towards social and economic development of the population. It teaches peasant farmers and extension agents and does this through running face-to-face seminars, by publishing a magazine, "Agripromo," and through correspondence courses. In 1978-79 INADES-formation enrolled some 4500 farmers and extension agents as students. Both of these organizations work to teach farmers better agriculture techniques, and both were created in response to the fact that agricultural extension agents cannot meet all the farmers in their area. Despite the similarity of objective, there are differences in methods and philosophy. The EAB works in a single country and uses a variety of mass media, with print playing a minor role. INADES-formation is an international and nongovernmental organization and its

  17. Small lunar craters at the Apollo 16 and 17 landing sites - morphology and degradation

    Science.gov (United States)

    Mahanti, P.; Robinson, M. S.; Thompson, T. J.; Henriksen, M. R.

    2018-01-01

    New analysis and modeling approaches are applied to high-resolution images and topography of the Apollo 16 and 17 landing sites to investigate the morphology and estimate degradation of small lunar craters (SLCs; 35 to 250 m diameter). We find SLCs at the two sites are mostly degraded with an average depth-diameter ratio (d/D) inverted cone-shaped craters. An improved standardized morphological classification and a novel set of quantitative shape indicators are defined and used to compare SLCs between the two sites. Our classification methodology allows morphological class populations to be designated with minimal (and measurable) ambiguity simplifying the study of SLC degradation at different target regions. SLC shape indicators are computationally obtained from topography, further facilitating a quantitative and repeatable comparison across study areas. Our results indicate that the interior slopes of SLCs evolve faster and through different processes relative to larger craters ( > 500 m). Assuming SLCs are formed with large initial depth-to-diameter ratio (d/D ≥ 0.2), our observation that even the fresher SLCs are relatively shallow imply that a faster mass wasting process post-formation stabilizes the crater walls and eventually slows down degradation. We also found that the Apollo 16 Cayley plains have a higher percentage of fresh craters than the Apollo 17 Taurus Littrow (TL) plains. A combination of a less-cohesive target material and/or seismic shaking resulting from moonquakes or the impact of Tycho crater secondaries was likely responsible for a higher degradation rate in the TL-plains compared to the Cayley plains. This study explores the relationship between the symmetry and probability densities of key morphological traits like d/D, mean wall slope and rate of degradation. We show that the shape of d/D probability density function of SLCs in a study area encodes their rate of degradation. Comparison of power-law fitting and probabilistic modeling of

  18. Active Dust Mitigation Technology for Thermal Radiators for Lunar Exploration

    Science.gov (United States)

    Calle, C. I.; Buhler, C. R.; Hogue, M. D.; Johansen, M. R.; Hopkins, J. W.; Holloway, N. M. H.; Connell, J. W.; Chen, A.; Irwin, S. A.; Case, S. O.; hide

    2010-01-01

    Dust accumulation on thermal radiator surfaces planned for lunar exploration will significantly reduce their efficiency. Evidence from the Apollo missions shows that an insulating layer of dust accumulated on radiator surfaces could not be removed and caused serious thermal control problems. Temperatures measured at different locations in the magnetometer on Apollo 12 were 38 C warmer than expected due to lunar dust accumulation. In this paper, we report on the application of the Electrodynamic Dust Shield (EDS) technology being developed in our NASA laboratory and applied to thermal radiator surfaces. The EDS uses electrostatic and dielectrophoretic forces generated by a grid of electrodes running a 2 micro A electric current to remove dust particles from surfaces. Working prototypes of EDS systems on solar panels and on thermal radiators have been successfully developed and tested at vacuum with clearing efficiencies above 92%. For this work EDS prototypes on flexible and rigid thermal radiators were developed and tested at vacuum.

  19. Pioneering Extension Nutrition Education with iPad Apps: A Development Story

    Science.gov (United States)

    Parmer, Sondra M.; Struempler, Barb; Funderburk, Katie; Parmer, Greg

    2017-01-01

    Technology can be an effective vehicle for Extension nutrition education. Body Quest: Food of the Warrior is a childhood obesity prevention initiative of the Alabama Cooperative Extension System that successfully incorporates technology in the classroom. With Body Quest, students learn about healthful eating through blended learning involving both…

  20. 75 FR 21686 - Extension of Comment Period for Commercialization of University Research Request for Information

    Science.gov (United States)

    2010-04-26

    ... OFFICE OF SCIENCE AND TECHNOLOGY POLICY NATIONAL ECONOMIC COUNCIL Extension of Comment Period for Commercialization of University Research Request for Information ACTION: Notice; extension of comment period. The comment period for the joint request for information issued by the Office of Science and Technology Policy...

  1. 8034 agriculture extension service delivery in a semi-arid rural area ...

    African Journals Online (AJOL)

    dela dovie

    2013-09-04

    Sep 4, 2013 ... specific technologies, preparation of training/extension materials on those technologies, provision of secondary data on example soils, climate, prices, encouragement of farmer-to-farmer extension advice, participatory experiences and sharing of results in a wider sense and using the knowledge of farmers' ...

  2. Resonances and librations of some Apollo and Amor asteroids with the Earth.

    Science.gov (United States)

    Ip, W.-H.; Mehra, R.

    1973-01-01

    The orbital evolution of the Apollo asteroids 1620 Geographos and 1685 Toro and Amor asteroids 433 Eros, 1221 Amor, and 1627 Ivar are investigated by numerical integration. All these asteroids, with the exception of Geographos, exhibit systematic orbital couplings with the Earth during the time interval studied (1600-2350 A.D.). 1685 Toro is captured into libration once with Venus due to the 13.5 resonance, and once with the Earth due to the 8:5 resonance. Both librations are unstable because of the effect of the 13:8 near commensurability of the Venus-Earth system. 433 Eros exhibits no libration pattern; the regular variation of its orbital period is due to the beat-effect of the 4:7 resonance with the Earth.

  3. Air-coupled seismic waves at long range from Apollo launchings.

    Science.gov (United States)

    Donn, W. L.; Dalins, I.; Mccarty, V.; Ewing, M.; Kaschak , G.

    1971-01-01

    Microphones and seismographs were co-located in arrays on Skidaway Island, Georgia, for the launchings of Apollo 13 and 14, 374 km to the south. Simultaneous acoustic and seismic waves were recorded for both events at times appropriate to the arrival of the acoustic waves from the source. The acoustic signal is relatively broadband compared to the nearly monochromatic seismic signal; the seismic signal is much more continuous than the more pulse-like acoustic signal; ground loading from the pressure variations of the acoustic waves is shown to be too small to account for the seismic waves; and the measured phase velocities of both acoustic and seismic waves across the local instrument arrays differ by less than 6 per cent and possibly 3 per cent if experimental error is included. It is concluded that the seismic waves are generated by resonant coupling to the acoustic waves along some 10 km of path on Skidaway Island.

  4. Ionospheric disturbances caused by long period sound waves generated by Saturn-Apollo launches

    Science.gov (United States)

    Rao, G. L.

    1972-01-01

    Wavelike disturbances were observed in the ionosphere following several nuclear explosions in early 1960's. Supersonic shock waves within the atmosphere generated by large rockets can cause ionospheric electron density perturbations. A CW phase path Doppler array in the New York area was operated during the Saturn-Apollo 12 and 13 launches and recorded Doppler frequency fluctuations due to rocket launchings. Cross correlation and power spectral analyses of the phase path-path Doppler frequency variation records showed that the phase velocities of the signal arrivals were from south of the array with 700 - 800 m/sec corresponding to periods in the range of 2 to 4 minutes. Ionograms taken every 60 seconds from Wallops Islands showed clearly ionospheric disturbances due to rockets. The group velocities were estimated to be of the order of 450 m/sec 1 obtained from the earliest visible disturbances seen on CW phase path Doppler records and ionograms together with the rocket trajectory data.

  5. Research, development and application of noncombustible Beta fiber structures. [for Apollo

    Science.gov (United States)

    Dillon, J. J.; Cobb, E. S.

    1975-01-01

    Beta fiber was selected as the primary material for flexible fibrous structures used in spacecraft and crew systems applications in the Apollo program because it was noncombustible in a 100 percent oxygen atmosphere up to 16.5 psia. It met NASA criteria for outgassing, toxicity, odor, and crew comfort, and possessed sufficient durability to last through the mission. Topics discussed include: study of spacecraft applications; design of Beta fiber textile structures to meet the requirements; selection of surface treatments (finishes, coatings, and printing systems) to impart the required durability and special functional use to the textile structures; development of sewing and fabrication techniques; and testing and evaluation programs, and development of production sources.

  6. Nonequilibrium Radiation Aerothermodynamics of the Command Modulus of Apollo 4 at Altitudes above 75 km

    Science.gov (United States)

    Surzhikov, S. T.

    2018-02-01

    The problem of the radiation gas dynamics of super-orbital entry into dense layers of the Earth's atmosphere of the command module of Apollo 4 is solved numerically in the two-dimensional formulation of the flow around an aerodynamic frontal shield at the velocity V∞= 10.7 km/s in the altitude range H = 91.5‒76.2 km. The density distributions of the spectral and integral radiation heat fluxes on the surface flowed around are obtained. The considerable role of atomic spectral lines in the radiation heating of the surface is shown. The results of calculations are compared with the flight experimental data and the calculated data of other authors.

  7. Apollo remote analysis system applied to surface and underwater in-situ elemental analysis

    International Nuclear Information System (INIS)

    Evans, L.G.; Bielefeld, M.J.; Eller, E.L.; Schmadebeck, R.L.; Trombka, J.I.; Mustafa, M.G.; Senftle, F.E.; Heath, R.L.; Stehling, K.; Vadus, J.

    1976-01-01

    The surveying of the elemental composition of bulk samples over extended areas in near real-time would be an invaluable tool for surface and underwater environmental analysis. However, few techniques provide such a capability. Based on the experience from the orbital gamma-ray spectrometer experiments on Apollo 15 and 16 in which elemental composition of large portions of the moon were determined, an analysis system has been developed for terrestrial applications, which can fulfill these requirements. A portable, compact pulsed neutron generator and NaI(Tl) detector system coupled to associated electronics under mini-computer control can provide the timing and spectral characteristics necessary to determine elemental composition for many applications. Field trials of the system for underwater elemental analysis are planned during the next year

  8. Ar-40/Ar-39 ages of six Apollo 15 impact melt rocks by laser step heating

    Science.gov (United States)

    Dalrymple, G. B.; Ryder, Graham

    1991-01-01

    Fifteen high resolution (21-51 step) Ar-40/Ar-39 age spectra are obtained for six Apollo 15 impact melt rocks of different compositions, using a continuous laser system on submilligram subsamples and on single crystal plagioclase clasts. Four of the six samples gave reproducible age spectra with well-defined intermediate temperature plateaus over 48 percent or more of the Ar-39 released; the plateaus are interpreted as crystallization ages. Samples 15304,7,69, 15294,6,21 and 15314,26,156 gave virtually identical plateau ages whose weighted mean is 3870 + or - 6 Ma. These three melt rocks differ in composition and likely formed in three separate impact events.

  9. Rust in the Apollo 16 rocks. [hydration and oxidation processes in lunar environment

    Science.gov (United States)

    Taylor, L. A.; Mao, H. K.; Bell, P. M.

    1973-01-01

    Apollo 16 samples of all four rock types and from all stations contain evidence for hydration and oxidation - i.e., the presence of hydrated iron oxide, probably goethite. Rock 66095 contains native FeNi grains with a characteristic intergrowth of schreibersite and, to lesser extents, of cohenite. Troilite also contains sphalerite. The goethite contains 1.5-4.6 wt.% chlorine and occurs mainly on the edges of FeNi metal, causing a rust color in the cracks and space around the native metal grains, which also contain abundant chlorine. This observation suggests the presence of lawrencite (FeCl2), a phase that deliquesces and oxidizes very rapidly upon exposure to water or to a moist atmosphere.

  10. Extinct lunar radio activities - Xenon from Pu-244 and I-129 in Apollo 14 breccias.

    Science.gov (United States)

    Behrmann, C. J.; Drozd, R. J.; Hohenberg, C. M.

    1973-01-01

    Two Apollo 14 breccias have been found to contain xenon from the spontaneous fission of 82 my Pu-244. A third contains 60 times as much fission xenon as local uranium can account for and is probably of similar character. One of the breccias shows a Xe-129 excess most likely due to the decay of 17 my I-129. That these components can be separated and identified at all implies that complete isotopic homogenization has not occurred over a period which encompasses both extinction of these radionuclides and compaction of the breccias into their final form. In this sense isotope pre-history has been preserved in some lunar breccias providing information that pre-dates the formation of the rock itself (as determined by conventional techniques).

  11. Development of common user data model for APOLLO3 and MARBLE and application to benchmark problems

    International Nuclear Information System (INIS)

    Yokoyama, Kenji

    2009-07-01

    A Common User Data Model, CUDM, has been developed for the purpose of benchmark calculations between APOLLO3 and MARBLE code systems. The current version of CUDM was designed for core calculation benchmark problems with 3-dimensional Cartesian, 3-D XYZ, geometry. CUDM is able to manage all input/output data such as 3-D XYZ geometry, effective macroscopic cross section, effective multiplication factor and neutron flux. In addition, visualization tools for geometry and neutron flux were included. CUDM was designed by the object-oriented technique and implemented using Python programming language. Based on the CUDM, a prototype system for a benchmark calculation, CUDM-benchmark, was also developed. The CUDM-benchmark supports input/output data conversion for IDT solver in APOLLO3, and TRITAC and SNT solvers in MARBLE. In order to evaluate pertinence of CUDM, the CUDM-benchmark was applied to benchmark problems proposed by T. Takeda, G. Chiba and I. Zmijarevic. It was verified that the CUDM-benchmark successfully reproduced the results calculated with reference input data files, and provided consistent results among all the solvers by using one common input data defined by CUDM. In addition, a detailed benchmark calculation for Chiba benchmark was performed by using the CUDM-benchmark. Chiba benchmark is a neutron transport benchmark problem for fast criticality assembly without homogenization. This benchmark problem consists of 4 core configurations which have different sodium void regions, and each core configuration is defined by more than 5,000 fuel/material cells. In this application, it was found that the results by IDT and SNT solvers agreed well with the reference results by Monte-Carlo code. In addition, model effects such as quadrature set effect, S n order effect and mesh size effect were systematically evaluated and summarized in this report. (author)

  12. New Measurements of the Particle Size Distribution of Apollo 11 Lunar Soil 10084

    Science.gov (United States)

    McKay, D.S.; Cooper, B.L.; Riofrio, L.M.

    2009-01-01

    We have initiated a major new program to determine the grain size distribution of nearly all lunar soils collected in the Apollo program. Following the return of Apollo soil and core samples, a number of investigators including our own group performed grain size distribution studies and published the results [1-11]. Nearly all of these studies were done by sieving the samples, usually with a working fluid such as Freon(TradeMark) or water. We have measured the particle size distribution of lunar soil 10084,2005 in water, using a Microtrac(TradeMark) laser diffraction instrument. Details of our own sieving technique and protocol (also used in [11]). are given in [4]. While sieving usually produces accurate and reproducible results, it has disadvantages. It is very labor intensive and requires hours to days to perform properly. Even using automated sieve shaking devices, four or five days may be needed to sieve each sample, although multiple sieve stacks increases productivity. Second, sieving is subject to loss of grains through handling and weighing operations, and these losses are concentrated in the finest grain sizes. Loss from handling becomes a more acute problem when smaller amounts of material are used. While we were able to quantitatively sieve into 6 or 8 size fractions using starting soil masses as low as 50mg, attrition and handling problems limit the practicality of sieving smaller amounts. Third, sieving below 10 or 20microns is not practical because of the problems of grain loss, and smaller grains sticking to coarser grains. Sieving is completely impractical below about 5- 10microns. Consequently, sieving gives no information on the size distribution below approx.10 microns which includes the important submicrometer and nanoparticle size ranges. Finally, sieving creates a limited number of size bins and may therefore miss fine structure of the distribution which would be revealed by other methods that produce many smaller size bins.

  13. Extension Agents\\' Commitment To Extension Work In Abia And ...

    African Journals Online (AJOL)

    A structured and validated inventory scale titled: “Job Commitment Inventory Scale” was administered to 89 and 61 respondents randomly selected from a population of 112 and 117 extension agents in Abia and Rivers States ADPs. respectively. The data collected were analyzed using descriptive statistical tools such as ...

  14. verbal extensions: valency decreasing extensions in the basà ...

    African Journals Online (AJOL)

    Finance

    London: Hodder. Education. Imoh, P.M., 2013. Verbal extensions: Valency increasing operations in Basà verbal system. Paper presented at the West African Languages Congress (WALC) and 26th Annual. Conference of the Linguistic Association of Nigeria (26th CLAN), 29th July to 2nd August. 2013, University of Ibadan, ...

  15. Statistics concerning the Apollo command module water landing, including the probability of occurrence of various impact conditions, sucessful impact, and body X-axis loads

    Science.gov (United States)

    Whitnah, A. M.; Howes, D. B.

    1971-01-01

    Statistical information for the Apollo command module water landings is presented. This information includes the probability of occurrence of various impact conditions, a successful impact, and body X-axis loads of various magnitudes.

  16. Extension properties of states on operator algebras

    Science.gov (United States)

    Hamhalter, Jan

    1995-08-01

    We summarize and deepen some recent results concerning the extension problem for states on operator algebras and general quantum logics. In particular, we establish equivalence between the Gleason extension property, the Hahn-Banach extension property, and the universal state extension property of projection logics. Extensions of Jauch-Piron states are investigated.

  17. Extension Resources for International Trade

    Science.gov (United States)

    Seal, Susan D.

    2016-01-01

    With the opening of additional trade partnerships, the reduction of global transportation and communication costs, and the increase in demand for U.S. agricultural products and services, international trade is an area of great importance to more and more Extension clients and stakeholders. This article provides information about the primary…

  18. Invertible extensions and growth conditions

    Czech Academy of Sciences Publication Activity Database

    Badea, C.; Müller, Vladimír

    2004-01-01

    Roč. 339, - (2004), s. 21-26 ISSN 1631-073X R&D Projects: GA ČR GA201/03/0041; GA AV ČR KSK1019101 Institutional research plan: CEZ:AV0Z1019905 Keywords : invertible extensions * growth conditions Subject RIV: BA - General Mathematics Impact factor: 0.284, year: 2004

  19. African Journal of Livestock Extension

    African Journals Online (AJOL)

    African Journal of Livestock Extension aims to bring to the fore the role and significance of livestock in maintaining rural, peri-urban and urban households, vis-à-vis its impact on poverty alleviation, household nutritional status, economic coping strategy and provision of employment. The focus of the journal relates to all ...

  20. Managing Diversity within Cooperative Extension.

    Science.gov (United States)

    Ewert, D. Merrill; Rice, Jennifer A. King

    1994-01-01

    Six focus groups analyzed findings of a literature review on cultural diversity's effects on productivity and effectiveness. Action steps for Cooperative Extension were outlined: implementing affirmative action, valuing diversity, managing diversity, creating new management structures, and establishing a more supportive environment. (SK)

  1. intensive and extensive feeding regimes

    African Journals Online (AJOL)

    production and reproduction parameters in ram lambs, under intensive and extensive feeding regimes. J.P.C. Greyling* and G.J. Taylor. Department of Animal Science, University of the Orange Free State, PO. Box 339, Bloemfontein,. 9300, South Africa. Received revised 1 July 1999; accepted 28 July 1999. Forty Dorper ...

  2. Extensions of the standard model

    International Nuclear Information System (INIS)

    Ramond, P.

    1983-01-01

    In these lectures we focus on several issues that arise in theoretical extensions of the standard model. First we describe the kinds of fermions that can be added to the standard model without affecting known phenomenology. We focus in particular on three types: the vector-like completion of the existing fermions as would be predicted by a Kaluza-Klein type theory, which we find cannot be realistically achieved without some chiral symmetry; fermions which are vector-like by themselves, such as do appear in supersymmetric extensions, and finally anomaly-free chiral sets of fermions. We note that a chiral symmetry, such as the Peccei-Quinn symmetry can be used to produce a vector-like theory which, at scales less than M/sub W/, appears to be chiral. Next, we turn to the analysis of the second hierarchy problem which arises in Grand Unified extensions of the standard model, and plays a crucial role in proton decay of supersymmetric extensions. We review the known mechanisms for avoiding this problem and present a new one which seems to lead to the (family) triplication of the gauge group. Finally, this being a summer school, we present a list of homework problems. 44 references

  3. Extensiveness of Farmers' Buying Process

    NARCIS (Netherlands)

    Kool, M.; Meulenberg, M.T.G.; Broens, D.F.

    1997-01-01

    In this article we study farmers' buying processes, in particular the selection of a supplier for a given farm input. Extensiveness of farmers' buying processes is defined as the degree information acquisition and alternative evaluation effort carried out to prepare that selection. Hypotheses,

  4. Designing and application of SAN extension interface based on CWDM

    Science.gov (United States)

    Qin, Leihua; Yu, Shengsheng; Zhou, Jingli

    2005-11-01

    As Fibre Channel (FC) becomes the protocol of choice within corporate data centers, enterprises are increasingly deploying SANs in their data central. In order to mitigate the risk of losing data and improve the availability of data, more and more enterprises are increasingly adopting storage extension technologies to replicate their business critical data to a secondary site. Transmitting this information over distance requires a carrier grade environment with zero data loss, scalable throughput, low jitter, high security and ability to travel long distance. To address this business requirements, there are three basic architectures for storage extension, they are Storage over Internet Protocol, Storage over Synchronous Optical Network/Synchronous Digital Hierarchy (SONET/SDH) and Storage over Dense Wavelength Division Multiplexing (DWDM). Each approach varies in functionality, complexity, cost, scalability, security, availability , predictable behavior (bandwidth, jitter, latency) and multiple carrier limitations. Compared with these connectiviy technologies,Coarse Wavelength Division Multiplexing (CWDM) is a Simplified, Low Cost and High Performance connectivity solutions for enterprises to deploy their storage extension. In this paper, we design a storage extension connectivity over CWDM and test it's electrical characteristic and random read and write performance of disk array through the CWDM connectivity, testing result show us that the performance of the connectivity over CWDM is acceptable. Furthermore, we propose three kinds of network architecture of SAN extension based on CWDM interface. Finally the credit-Based flow control mechanism of FC, and the relationship between credits and extension distance is analyzed.

  5. Experiences of packaging research outputs into extension materials

    African Journals Online (AJOL)

    Mo

    highlighted the need of private extension service providers for up-to-date technical information .... Following these discussions, the information needs of farmer forum members were matched with CPP and .... Impact of technology (on natural, financial, human, social, physical capital). -. Photo(s), figures, diagrams, tables as ...

  6. the economic benefits of extension services on livestock production ...

    African Journals Online (AJOL)

    MRS FOLA AJAYI

    2007-06-08

    Jun 8, 2007 ... This study examined the impact of extension services on livestock output in six communities in Omuma Local Government. Area of Rivers State. It also examined the demographic characteristics of livestock farmers as correlates of sustained use of livestock technologies. A total of 120 respondents randomly ...

  7. 76 FR 22674 - Manufacturing Extension Partnership Advisory Board

    Science.gov (United States)

    2011-04-22

    ... 5 p.m. on May 15, 2011. ADDRESSES: The meeting will be held at the Orlando World Center Marriott... Open Meeting. SUMMARY: NIST announces that the Manufacturing Extension Partnership (MEP) Advisory Board, National Institute of Standards and Technology (NIST) will hold an open meeting on Sunday, May 15, 2011...

  8. 75 FR 19941 - Manufacturing Extension Partnership Advisory Board

    Science.gov (United States)

    2010-04-16

    ... 4:30 p.m. on May 2, 2010. ADDRESSES: The meeting will be held at Orlando World Center Marriott... open meeting. SUMMARY: NIST announces that the Manufacturing Extension Partnership (MEP) Advisory Board, National Institute of Standards and Technology (NIST) will hold an open meeting on Sunday, May 2, 2010 from...

  9. 77 FR 20790 - Manufacturing Extension Partnership Advisory Board

    Science.gov (United States)

    2012-04-06

    ... adjourn at 5 p.m. the same day. ADDRESSES: The meeting will be held at the Orlando World Center Marriott... Open Meeting. SUMMARY: NIST announces that the Manufacturing Extension Partnership (MEP) Advisory Board, National Institute of Standards and Technology (NIST) will hold an open meeting on Sunday, May 6, 2012...

  10. Assessment of Farmers (Women)' Access to Agricultural Extension ...

    African Journals Online (AJOL)

    This study examines the accessibility of women to three main production inputs namely: Farm inputs (fertilizers, modern technology, improved seed etc), Credit facility and Contact with extension agents. Structured interview schedule, personal observation and analysis of records were used to collect information for the study.

  11. In-Service training needs of extension workers in pineapple ...

    African Journals Online (AJOL)

    The study assessed the in-service training needs of extension workers involved in pineapple technology transfer in southwestern Nigeria. Predominantly pineapple-producing zones of Ogun, Ondo and Osun States Agricultural Development Programmes (ADPs) were purposively selected. One hundred and six of the 209 ...

  12. Challenges for extension service to render efficient post-transformer ...

    African Journals Online (AJOL)

    LPhidza

    A structured questionnaire was used to elicit information from one hundred and eighty respondents. ... 39 Department of Agricultural Economics and Extension, Faculty of Agriculture, Science and Technology, North. West University ..... change in the way agricultural professionals themselves view, portray and influence the.

  13. Extension faculty through use of forage analyses and

    African Journals Online (AJOL)

    For example, during 1986 the National Research Council will release their revised Nutritional Requirements for Dairy Cattle. We will be able to incorporate most of their changes into our. CDA's within a few days; thereby keeping the county faculty as close as possible to the cutting edge of current technology. Extension must ...

  14. Growing Community Capacity in Energy Development through Extension Education

    Science.gov (United States)

    Romich, Eric; Bowen-Elzey, Nancy

    2013-01-01

    New energy policy, industry regulation, and market investment are influencing the development of renewable energy technologies, setting the stage for rural America to provide the energy of tomorrow. This article describes how Extension's renewable energy programming was implemented in two Ohio communities to engage elected officials and residents…

  15. Sources And Use Of Extension Information Among Maize Farmers In ...

    African Journals Online (AJOL)

    Furthermore, findings revealed that the respondents utilized extension information, to a great extent on the following technologies/recommendations; improved maize, seed rate, seed dressing, plant spacing, fertilizer application, post-harvest processing, and storage. Recommendations on herbicides and pesticides were ...

  16. Evaluation of the agricultural extension programmes of Shell ...

    African Journals Online (AJOL)

    The study revealed that farmers (host communities) were dissatisfied with the agricultural extension and community development services of the company. Low participation of farmers and low adoption of agricultural technologies of the company were identified. The causes included farmers' poor financial status, late supply ...

  17. AT-algebras and extensions of AT-algebras

    Indian Academy of Sciences (India)

    Home; Journals; Proceedings – Mathematical Sciences; Volume 120; Issue 2. A T -Algebras and Extensions of A T ... School of Science, Nanjing University of Science and Technology, Nanjing 210014, People's Republic of China; Department of Mathematics, Tongji University, Shanghai 200092, People's Republic of China ...

  18. Analysis of Training Needs of Extension Agents on Climate Change ...

    African Journals Online (AJOL)

    extension agents on climate change related issues were educating farmers on pest control (90.9%), rendering of technical advice to farmers (84.8%), establishment of SPAT to monitor climate change impacts (81.8%) and indigenous technology development to mitigate climate change impacts (81.8%). The training needs in ...

  19. Journal of Agricultural Extension submitted to Agricultural Extension ...

    African Journals Online (AJOL)

    PROF. MADUKWE

    followed by lack of contact with extension agents (71.7%) and gender discrimination in obtaining land on lease for farming (39.2). Majority (65.8%) of .... The study area was Osun State, a tropical state in South west; Nigeria lying within coordinates 7. 0. 30ʹN and 4. 030ʹE. The state comprised of 30 Local Government ...

  20. Nondestructive Analysis of Apollo Samples by Micro-CT and Micro-XRF Analysis: A PET Style Examination

    Science.gov (United States)

    Zeigler, Ryan A.

    2014-01-01

    An integral part of any sample return mission is the initial description and classification of returned samples by the preliminary examination team (PET). The goal of a PET is to characterize and classify the returned samples, making this information available to the general research community who can then conduct more in-depth studies on the samples. A PET strives to minimize the impact their work has on the sample suite, which often limits the PET work to largely visual measurements and observations like optical microscopy. More modern techniques can also be utilized by future PET to nondestructively characterize astromaterials in a more rigorous way. Here we present our recent analyses of Apollo samples 14321 and 14305 by micro-CT and micro-XRF (respectively), assess the potential for discovery of "new" Apollo samples for scientific study, and evaluate the usefulness of these techniques in future PET efforts.

  1. Apollo 16 - Impact melt sheets, contrasting nature of the Cayley plains and Descartes mountains, and geologic history

    Science.gov (United States)

    Mckinley, J. P.; Taylor, G. J.; Keil, K.; Ma, M.-S.; Schmitt, R. A.

    1984-01-01

    Apollo 16 stations four and five rake samples have been examined petrographically and by electron microprobe and INAA. Lithologic abundances support the idea (Korontev, 1981) that the variation of soil composition at Apollo 16 results from mixing between a component represented by station five and components much like either the dimict breccias or feldspathic fragmental breccias in composition. Pyroxene, olivine, and coexisting plagioclase compositions from within the anorthosite portions of dimict breccias bridge the gap between the Mg-rich and ferroan anorthosite fields. Analyses from associated cumulate and granulitic clasts indicate that they are the source of the intermediate material. Dimict breccias formed about 3.92 b.y. ago, the nectaris event occurred 3.84-3.92 b.y. ago, and the Cayley plains were deposited as a result of the Imbrium event sometime later than 3.84 b.y.

  2. U.S. President Richard Milhous Nixon Arrives Aboard U.S.S. Hornet for Apollo 11 Recovery

    Science.gov (United States)

    1969-01-01

    U.S. President Richard Milhous Nixon (center), is saluted by the honor guard of flight deck crewmen when he arrives aboard the U.S.S. Hornet, prime recovery ship for the Apollo 11 mission, to watch recovery operations and welcome the astronauts home. The recovery operation took place in the Pacific Ocean where Navy para-rescue men recovered the capsule housing the 3-man Apollo 11 crew. The crew was airlifted to safety aboard the U.S.S. Hornet, where they were quartered in a Mobile Quarantine Facility (MQF) for 21 days following the mission. The Apollo 11 mission, the first manned lunar mission, launched from the Kennedy Space Center, Florida via the Saturn V launch vehicle on July 16, 1969 and safely returned to Earth on July 24, 1969. Aboard were Neil A. Armstrong, commander; Michael Collins, Command Module (CM) pilot; and Edwin E. Aldrin Jr., Lunar Module (LM) pilot. The CM, piloted by Michael Collins remained in a parking orbit around the Moon while the LM, named 'Eagle'', carrying astronauts Neil Armstrong and Edwin Aldrin, landed on the Moon. Armstrong was the first human to ever stand on the lunar surface, followed by Edwin (Buzz) Aldrin. During 2½ hours of surface exploration, the crew collected 47 pounds of lunar surface material for analysis back on Earth. With the success of Apollo 11, the national objective to land men on the Moon and return them safely to Earth had been accomplished. The Saturn V vehicle was developed by the Marshall Space Flight Center (MSFC) under the direction of Dr. Wernher von Braun.

  3. Linear programming foundations and extensions

    CERN Document Server

    Vanderbei, Robert J

    2001-01-01

    Linear Programming: Foundations and Extensions is an introduction to the field of optimization. The book emphasizes constrained optimization, beginning with a substantial treatment of linear programming, and proceeding to convex analysis, network flows, integer programming, quadratic programming, and convex optimization. The book is carefully written. Specific examples and concrete algorithms precede more abstract topics. Topics are clearly developed with a large number of numerical examples worked out in detail. Moreover, Linear Programming: Foundations and Extensions underscores the purpose of optimization: to solve practical problems on a computer. Accordingly, the book is coordinated with free efficient C programs that implement the major algorithms studied: -The two-phase simplex method; -The primal-dual simplex method; -The path-following interior-point method; -The homogeneous self-dual methods. In addition, there are online JAVA applets that illustrate various pivot rules and variants of the simplex m...

  4. Managing BWR plant life extension

    International Nuclear Information System (INIS)

    Ianni, P.W.; Kiss, E.

    1985-01-01

    Recent studies have confirmed that extending the useful life of a large nuclear plant can be justified with very high cost benefit ratio. In turn, experience with large power plant systems and equipment has shown that a well-integrated and -managed plan is essential in order to achieve potential economic benefits. Consequently, General Electric's efforts have been directed at establishing a life extension plan that considers alternative options and cost-effective steps that can be taken in early life, those appropriate during middle life, and those required in late life. This paper briefly describes an approach designed to provide the plant owner a maximum of flexibility in developing a life extension plan

  5. Extensive Reading and Learning Style

    OpenAIRE

    Kawachi, Tomoko; 河内, 智子

    2015-01-01

    Extensive reading (ER) has been shown to be an effective approach to both improving students’ language skills and nurturing positive attitudes toward language reading and learning. However, although the approach has proven to be effective for many learners, as with any teaching approach, it does not seem to work equally well for all learners. The current study hypothesized that learning style might be a factor influencing learners’ achievement in and attitude toward ER, and investigated the r...

  6. Rosacea with extensive extrafacial lesions

    OpenAIRE

    Pereira, TM; Vieira, AP; Sousa-Basto, A

    2008-01-01

    Rosacea is a very common skin disorder in the clinical practice that primarily affects the convex areas of the face. Extrafacial rosacea lesions have occasionally been described, but extensive involvement is exceptional. In the absence of its typical clinical or histological features, the diagnosis of extrafacial rosacea may be problematic. We describe an unusual case of rosacea with very exuberant extrafacial lesions, when compared with the limited involvement of the face.

  7. Recall in extensive form games

    OpenAIRE

    Klaus Ritzberger

    1999-01-01

    This paper considers characterizations of perfect recall in extensive form games. It is shown that perfect recall can be expressed in terms of choices without any reference to infomation sets. When information sets are taken into account, it is decomposable into an ordering of information sets and that players do not forget what they knew nor what they did. Thus, if information sets are partially ordered, then perfect recall is implied by the player's inability to refine her information from ...

  8. Molecular systematics and evolution of the "Apollo" butterflies of the genus Parnassius (Lepidoptera: Papilionidae) based on mitochondrial DNA sequence data.

    Science.gov (United States)

    Omoto, Keiichi; Katoh, Toru; Chichvarkhin, Anton; Yagi, Takashi

    2004-02-04

    Sequences of 777 bp of mtDNA-ND5 locus were determined in order to shed light on the molecular systematics and evolution of the "Apollo" butterflies. Examined were nearly all of about 50 species of the genus Parnassius, together with seven species of the allied genera in the subfamily Parnassiinae (Papilionidae). The NJ and the MP phylogenetic trees show that the "Apollos" constitute a monophyletic group, comprising a number of cluster groups probably reflecting a relatively rapid radiation in evolution. The clusters of species-groups denoted I-VIII correspond to those species-groups recognized on the basis of morphological characters. Our findings will also help understand the biological relationships among several species or subspecies on which the classical taxonomy is in dispute. The unexpected finding is that among the samples of allied genera compared, Hypermnestra helios appears to be the most closely related to the "Apollos", despite morphological and behavioral dissimilarity. Furthermore, in contrast to the previous higher taxonomy, Archon apollinus which is classified in the tribe Parnassiini was found genetically closer to the tribe Zerynthiini, raising a taxonomic controversy.

  9. FE-SEM, FIB and TEM Study of Surface Deposits of Apollo 15 Green Glass Volcanic Spherules

    Science.gov (United States)

    Ross, Daniel K.; Thomas-Keprta, K. L.; Rahman, Z.; Wentworth, S. J.; McKay, D. S.

    2011-01-01

    Surface deposits on lunar pyroclastic green (Apollo 15) and orange (Apollo 17) glass spherules have been attributed to condensation from the gas clouds that accompanied fire-fountain eruptions. The fire fountains cast molten lava high above the lunar surface and the silicate melt droplets quenched before landing producing the glass beads. Early investigations showed that these deposits are rich in sulfur and zinc. The deposits are extremely fine-grained and thin, so that it was never possible to determine their chemical compositions cleanly by SEM/EDX or electron probe x-ray analysis because most of the excited volume was in the under-lying silicate glass. We are investigating the surface deposits by TEM, using focused ion beam (FIB) microscopy to extract and thin the surface deposits. Here we report on chemical mapping of a FIB section of surface deposits of an Apollo green glass bead 15401using the ultra-high resolution JEOL 2500 STEM located at NASA Johnson Space Center.

  10. Disseminating genetically modified (GM) maize technology to ...

    African Journals Online (AJOL)

    Disseminating genetically modified (GM) maize technology to smallholder farmers in the Eastern Cape province of South Africa: extension personnel's awareness of stewardship requirements and dissemination practices.

  11. Journal of Agricultural Extension: Editorial Policies

    African Journals Online (AJOL)

    Mission Statement: The mission of the Journal of Agricultural Extension is to publish conceptual papers and empirical research that tests, extends, or builds ... research and methodological issues; nutrition extension; extension youth programme; women-in-agriculture; extension, Climate Change and the environment, ICT, ...

  12. Apollo 11 voice transcript pertaining to the geology of the landing site

    Science.gov (United States)

    Bailey, N.G.; Ulrich, G.E.

    1974-01-01

    On July 20, 1969, America's Eagle touched down in southwestern Mare Tranquillitatis beginning man's firsthand exploration of the moon. This document is an edited record of the conversations between astronauts Neil Armstrong and Edwin "Buzz" Aldrin, Jr., at Tranquility Base, and Bruce McCandless at Mission Control in Houston during the approximately 22 hours spent on the lunar surface. It includes additional commentary during their return to Earth. It is a condensation hopefully of all the verbal data having geological significance. All discussions and observations documenting the lunar landscape, its geologic characteristics, the rocks and soils collected, and the photographic record are retained along with supplementary remarks essential to the continuity of events during the mission. We have deleted the words of mechanical housekeeping and engineering data, attempting not to lose the personal and philosophical aspects of this intensely human experience. The sources of this verbal transcript are the complete audio tapes recorded during the mission and the Technical Air-to-Ground Voice Transcription published by NASA. The voice record is listed chronologically given in days, hours, minutes, and seconds. These are the Ground Elapsed Times (GET) after launch from Kennedy Space Center which was 9:32 a.m. EDT on July 16, 1969. Figure 1 shows the vicinity of the landing site that was described, sampled, and photographed by the Apollo 11 crewmen.

  13. Neutronics characterization of an erbia fully poisoned PWR assembly by means of the APOLLO2 code

    Directory of Open Access Journals (Sweden)

    Pergreffi Roberto

    2017-01-01

    Full Text Available Recently, increasing demands on the reduction of fuel cycle costs have led to higher burnup fuel designs. According to the erbia-credit super high burnup fuel concept, developed by mixing low content of erbia to UO2 powder directly after reconversion process so that all fuel pins in a given fuel assembly are homogeneously doped, the present study aims to characterize, from a neutronic point of view, a 17 × 17 pressurized water reactor assembly enriched to 10.27 wt.% in 235U with an erbia content of 1 at.% (i.e. 0.7 wt.% by means of the deterministic neutronic code APOLLO2. For this purpose, a simplified thermal-hydraulic analysis was performed in order to evaluate the effects on fuel thermal conductivity of adding erbia to uranium oxide. The results obtained allow to conclude that an Er-doped assembly enriched to >5 wt.% in 235U represents an advantageous solution for very long fuel cycles, and it is so suited for very high burnups.

  14. The discovery of silicon oxide nanoparticles in space-weathered of Apollo 15 lunar soil grains

    Science.gov (United States)

    Gu, Lixin; Zhang, Bin; Hu, Sen; Noguchi, Takaaki; Hidaka, Hiroshi; Lin, Yangting

    2018-03-01

    Space weathering is an important process on the Moon and other airless celestial bodies. The most common space weathering effects are amorphization of the top surface of soil grains and formation of nanophase iron particles (npFe) within the partially amorphous rims. Hence, space weathering significantly affects optical properties of the surface of the Moon and other airless celestial bodies. Transmission electron microscope (TEM) analysis of Apollo 15 soil grains displays npFe (≤5 nm in size) embedded in the space-weathered rim (∼60 nm in thickness) of a pyroxene grain, consistent with previous studies. In contrast, submicron-sized fragments that adhere to the pyroxene grain show distinct space weathering features. Silicon oxide nanoparticles (npSiOx) were observed with npFe in a submicron-sized Mg-Fe silicate fragment. This is the first discovery of npSiOx as a product of space weathering. The npSiOx and the coexisting npFe are ∼10-25 nm in size, significantly larger than the typical npFe in the space weathered rim of the pyroxene grain. The coexisting npSiOx and npFe were probably formed directly in micrometeorite shock-induced melt, instead of in a solar-wind generated vapor deposit or irradiated rim. This new observation will shed light on space weathering processes on the Moon and airless celestial bodies.

  15. Measuring (d , pγ) Gamma Decays with Apollo at HELIOS

    Science.gov (United States)

    Couture, Aaron; Devlin, Matthew J.; Lee, Hye Young; O'Donnell, John M.; Back, Birger; Hoffman, Calem R.

    2013-10-01

    The role of neutron capture reactions is critical for nucleosynthesis processes far off of stability. Unfortunately, due to the radioactive nature the target isotopes of interest and the difficulty in producing a neutron target, these reactions will never be amenable to direct measurement. Further, for most astrophysical environments favored for the r-process, the required reaction networks are so large as to make direct experimental treatment of all of the reactions of interest beyond the range of what is feasible. Neutron transfer reactions, such as (d , p) , combined with intense beams of radioactive ions can help to elucidate the nuclear physics at play. The HELIOS instrument at Argonne National Laboratory has been successfully used to study a range of reactions in inverse kinematics. To complement this effort, we have designed a scintillator array APOLLO to be used in conjunction with HELIOS to measure gamma-decay properties following neutron transfer. This faced challenges related to operation under vacuum and the 3 T field at HELIOS. The first measurements with this new instrument, including efficiency, resolution, and coincidence efficiency will be discussed. This work was funded under the US Department of Energy under Contract No. DE-AC52-07NA27344 and benefited from the use of the ATLAS acceralator Facilit operated under Contract No. DE-AC02-06CH11357.

  16. Eyes with basic dorsal and specific ventral regions in the glacial Apollo, Parnassius glacialis (Papilionidae).

    Science.gov (United States)

    Awata, Hiroko; Matsushita, Atsuko; Wakakuwa, Motohiro; Arikawa, Kentaro

    2010-12-01

    Recent studies on butterflies have indicated that their colour vision system is almost species specific. To address the question of how this remarkable diversity evolved, we investigated the eyes of the glacial Apollo, Parnassius glacialis, a living fossil species belonging to the family Papilionidae. We identified four opsins in the Parnassius eyes--an ultraviolet- (PgUV), a blue- (PgB), and two long wavelength (PgL2, PgL3)-absorbing types--and localized their mRNAs within the retina. We thus found ommatidial heterogeneity and a clear dorso-ventral regionalization of the eye. The dorsal region consists of three basic types of ommatidia that are similar to those found in other insects, indicating that this dorsal region retains the ancestral state. In the ventral region, we identified two novel phenomena: co-expression of the opsins of the UV- and B-absorbing type in a subset of photoreceptors, and subfunctionalization of long-wavelength receptors in the distal tier as a result of differential expression of the PgL2 and PgL3 mRNAs. Interestingly, butterflies from the closely related genus Papilio (Papilionidae) have at least three long-wavelength opsins, L1-L3. The present study indicates that the duplication of L2 and L3 occurred before the Papilio lineage diverged from the rest, whereas L1 was produced from L3 in the Papilio lineage.

  17. Fission track astrology of three Apollo 14 gas-rich breccias

    Science.gov (United States)

    Graf, H.; Shirck, J.; Sun, S.; Walker, R.

    1973-01-01

    The three Apollo 14 breccias 14301, 14313, and 14318 all show fission xenon due to the decay of Pu-244. To investigate possible in situ production of the fission gas, an analysis was made of the U-distribution in these three breccias. The major amount of the U lies in glass clasts and in matrix material and no more than 25% occurs in distinct high-U minerals. The U-distribution of each breccia is discussed in detail. Whitlockite grains in breccias 14301 and 14318 found with the U-mapping were etched and analyzed for fission tracks. The excess track densities are much smaller than indicated by the Xe-excess. Because of a preirradiation history documented by very high track densities in feldspar grains, however, it is impossible to attribute the excess tracks to the decay of Pu-244. A modified track method has been developed for measuring average U-concentrations in samples containing a heterogeneous distribution of U in the form of small high-U minerals. The method is briefly discussed, and results for the rocks 14301, 14313, 14318, 68815, 15595, and the soil 64421 are given.

  18. Rust and schreibersite in Apollo 16 highland rocks - Manifestations of volatile-element mobility

    Science.gov (United States)

    Hunter, R. H.; Taylor, L. A.

    Rust is a manifestation of halogen and volatile-metal mobility in the lunar environment. Schreibersite is stable as the primary phosphorus-bearing phase in the highland rocks, a consequence of the inherently low oxygen fugacity within impact-generated melts. Apatite and whitlockite are subordinate in these rocks. The partitioning of P into phosphide in impact-generated melts, and the failure of phosphate to crystallize, effects a decoupling of the halogens and phosphorus. Of the Apollo 16 rocks, 63% contain rust, 70% contain schreibersite, and 52% contain both phases, thereby establishing the pervasiveness of volatile-elements throughout the highland rocks. The major portion of these volatile-bearing phases occur in impact melt-rocks or in breccia matrices. Rhabdites of schreibersite in some of the FeNi grains indicate that there is a meteoritic contribution to the phosphorus in these rocks. Cl/P2O5 ratios in lunar highland rocks are a function of secondary effects, with any apparent Cl-P correlations being coincidential. The present observations preclude the validity of models based on such elemental ratios in these rocks. The presence of rust in the clast laden matrices of pristine rocks indicates fugitive element localization. Pristine clasts may have been contaminated. The basis for a pristine volatile chemistry is questioned.

  19. JESS: Java extensible snakes system

    Science.gov (United States)

    McInerney, Tim; Akhavan Sharif, M. Reza; Pashotanizadeh, Nasrin

    2005-04-01

    Snakes (Active Contour Models) are powerful model-based image segmentation tools. Although researchers have proven them especially useful in medical image analysis over the past decade, Snakes have remained primarily in the academic world and they have not become widely used in clinical practice or widely available in commercial packages. A number of confusing and specialized variants exist and there has been no standard open-source implementation available. To address this problem, we present a Java Extensible Snakes System (JESS) that is general, portable, and extensible. The system uses Java Swing classes to allow for the rapid development of custom graphical user interfaces (GUI's). It also incorporates the Java Advanced Imaging(JAI) class library, which provide custom image preprocessing, image display and general image I/O. The Snakes algorithm itself is written in a hierarchical fashion, consisting of a general Snake class and several subclasses that span the main variants of Snakes including a new, powerful, robust subdivision-curve Snake. These subclasses can be easily and quickly extended and customized for any specific segmentation and analysis task. We demonstrate the utility of these classes for segmenting various anatomical structures from 2D medical images. We also demonstrate the effectiveness of JESS by using it to rapidly build a prototype semi-automatic sperm analysis system. The JESS software will be made publicly available in early 2005.

  20. Irradiation technology - industrial use

    International Nuclear Information System (INIS)

    Zyball, A.

    1995-01-01

    The most important applications of the radiation technology are the crosslinking of polymers and sterilisation. Although extensive experience about the use of this technology is available and powerful and dependable radiation facilities can be obtained, as yet the radiation technology has not found the acceptance it deserves in the industry. The main reason therefore has to do with how the question of radiation or the term radiation is presented to the industry and among the population. This paper will deal with considerations and ways in which the industrial use of the radiation technology can be expanded. (author)