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6,379 Matching Results

Start Over Access Open Access Month April Day 6th Language English

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Results: 1 - 24 of 6,379 next
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A 1-Joule laser for a 16-fiber injection system (open access)

A 1-Joule laser for a 16-fiber injection system

A 1-J laser was designed to launch light down 16, multi-mode fibers (400-{micro}m-core dia.). A diffractive-optic splitter was designed in collaboration with Digital Optics Corporation (DOC), and was delivered by DOC. Using this splitter, the energy injected into each fiber varied <1%. The spatial profile out of each fiber was such that there were no ''hot spots,'' a flyer could successfully be launched and a PETN pellet could be initiated. Preliminary designs of the system were driven by system efficiency where a pristine TEM{sub 00} laser beam would be required. The laser is a master oscillator, power amplifier (MOPA) consisting of a 4-mm-dia. Nd:YLF rod in the stable, q-switched oscillator and a 9.5-mm-dia. Nd:YLF rod in the double-passed amplifier. Using a TEM{sub 00} oscillator beam resulted in excellent transmission efficiencies through the fibers at lower energies but proved to be quite unreliable at higher energies, causing premature fiber damage, flyer plate rupture, stimulated Raman scattering (SRS), and stimulated Brillouin scattering (SBS). Upon further investigation, it was found that both temporal and spatial beam formatting of the laser were required to successfully initiate the PETN. Results from the single-mode experiments, including fiber damage, SRS and SBS losses, will be presented. In …
Date: April 6, 2004
Creator: Honig, J.
Object Type: Article
System: The UNT Digital Library
100% foundry compatible packaging and full wafer release and die separation technique for surface micromachined devices (open access)

100% foundry compatible packaging and full wafer release and die separation technique for surface micromachined devices

A completely foundry compatible chip-scale package for surface micromachines has been successfully demonstrated. A pyrex (Corning 7740) glass cover is placed over the released surface micromachined die and anodically bonded to a planarized polysilicon bonding ring. Electrical feedthroughs for the surface micromachine pass underneath the polysilicon sealing ring. The package has been found to be hermetic with a leak rate of less than 5 x 10{sup {minus}8} atm cm{sup {minus}3}/s. This technology has applications in the areas of hermetic encapsulation and wafer level release and die separation.
Date: April 6, 2000
Creator: Oliver, Andrew D. & Matzke, Carolyn M.
Object Type: Article
System: The UNT Digital Library
15th Street News (Midwest City, Okla.), Vol. 7, No. 16, Ed. 1 Thursday, April 6, 1978 (open access)

15th Street News (Midwest City, Okla.), Vol. 7, No. 16, Ed. 1 Thursday, April 6, 1978

Newspaper from Oscar Rose Junior College in Midwest City, Oklahoma that includes national, local, and campus news along with advertising.
Date: April 6, 1978
Creator: Slade, Sam
Object Type: Newspaper
System: The Gateway to Oklahoma History
15th Street News (Midwest City, Okla.), Vol. 18, No. 24, Ed. 1 Friday, April 6, 1990 (open access)

15th Street News (Midwest City, Okla.), Vol. 18, No. 24, Ed. 1 Friday, April 6, 1990

Newspaper from Rose State College in Midwest City, Oklahoma that includes national, local, and campus news along with advertising.
Date: April 6, 1990
Creator: MacArthur, Hazel
Object Type: Newspaper
System: The Gateway to Oklahoma History
15th Street News (Midwest City, Okla.), Vol. 30, No. 22, Ed. 1 Friday, April 6, 2001 (open access)

15th Street News (Midwest City, Okla.), Vol. 30, No. 22, Ed. 1 Friday, April 6, 2001

Newspaper from Rose State College in Midwest City, Oklahoma that includes national, local, and campus news along with advertising.
Date: April 6, 2001
Creator: Baldwin, Alisha
Object Type: Newspaper
System: The Gateway to Oklahoma History
15th Street News (Midwest City, Okla.), Vol. 36, No. 22, Ed. 1 Friday, April 6, 2007 (open access)

15th Street News (Midwest City, Okla.), Vol. 36, No. 22, Ed. 1 Friday, April 6, 2007

Newspaper from Rose State College in Midwest City, Oklahoma that includes national, local, and campus news along with advertising.
Date: April 6, 2007
Creator: Ray, Johnna
Object Type: Newspaper
System: The Gateway to Oklahoma History
[16th annual African Cultural Festival programs]

[16th annual African Cultural Festival programs]

Photograph of a stack of programs for the 2013 African Cultural Festival on a stand. Text on the front page reads: "University of North Texas / College of Music / Seven hundred ninety-fifth program of the 2012-2013 season // 16th Annual / African Cultural Festival / featuring / Afrikania Cultural Troupe, Ghana, West Africa / UNT African Percussion Ensemble, Denton / UNT Advanced Afro-Cuban Ensemble, Denton / Djaaly Kunda West African Dance & Drum Ensemble, Dallas / Fabere Dance Company, Dallas // Professor Torgbui Midawo Gideon Foli Alorwoyie / Artistic Director and Chief Master Drummer."
Date: April 6, 2013
Creator: Chittamai, Nat
Object Type: Photograph
System: The UNT Digital Library
2010 Census: Preliminary Lessons Learned Highlight the Need for Fundamental Reforms (open access)

2010 Census: Preliminary Lessons Learned Highlight the Need for Fundamental Reforms

Testimony issued by the Government Accountability Office with an abstract that begins "GAO added the 2010 Census to its list of high-risk programs in 2008 in part because of (1) long-standing weaknesses in the Census Bureau's (Bureau) information technology (IT) acquisition and contract management function, (2) difficulties in developing reliable life-cycle cost estimates, and (3) key operations that were not tested under operational conditions. These issues jeopardized the Bureau's readiness for the count. Moreover, societal trends, such as concerns over privacy, have made a cost-effective census an increasingly difficult challenge. At about $13 billion, 2010 was the costliest U.S. Census in history. As requested, this testimony focuses on lessons learned from the 2010 Census, and initiatives that show promise for producing a more cost-effective population count in 2020. This testimony is based on completed and ongoing work, including an analysis of Bureau documents, interviews with Bureau officials, and field observations of census operations in urban and rural locations across the country."
Date: April 6, 2011
Creator: United States. Government Accountability Office.
Object Type: Text
System: The UNT Digital Library
[2012.201.B0051.0099]

[2012.201.B0051.0099]

Daytime photo of a fireman walking away from a flipped aircraft. Two fire extinguishers are in the foreground. Photograph taken for a newspaper owned by the Oklahoma Publishing Company. Caption: "Wind flipped a private plane at Wiley Post Airport Saturday."
Date: April 6, 1974
Creator: Artman, Roger
Object Type: Photograph
System: The Gateway to Oklahoma History
[2012.201.B0051.0170]

[2012.201.B0051.0170]

Plane wreckage in a open field. Photograph taken for a newspaper owned by the Oklahoma Publishing Company. Caption: "A 41-year-old Bethany pilot, who celebrated his birthday Sunday, was in satisfactory condition at Baptist Hospital Monday after surviving a crash Sunday in his single-engine aircraft. A hospital spokeman said John C. Orf, 7609 NW 29, a former Oklahoma City policeman, was improving. Orf was pulled from the burning wreckage by two men, David Dawkin, 29-year-old former air force medic and a Baptist Hospital emergency room orderly, and Jack Keller, 7013 NW 21, a city businessman."
Date: April 6, 1969
Creator: Taylor, Robert
Object Type: Photograph
System: The Gateway to Oklahoma History
630A Maritime Nuclear Steam Generator Scoping Study (open access)

630A Maritime Nuclear Steam Generator Scoping Study

From foreword: This report presents the results of a study of a nuclear steam generator which uses reactor technology during the aircraft nuclear propulsion program to produce superheated steam for marine propulsion.
Date: April 6, 1962
Creator: General Electric Company. Flight Propulsion Division.
Object Type: Report
System: The UNT Digital Library
Abilene Daily Reporter. (Abilene, Tex.), Vol. 9, No. 239, Ed. 1 Thursday, April 6, 1905 (open access)

Abilene Daily Reporter. (Abilene, Tex.), Vol. 9, No. 239, Ed. 1 Thursday, April 6, 1905

Daily newspaper from Abilene, Texas that includes local, state, and national news along with advertising.
Date: April 6, 1905
Creator: Shook, L. B.
Object Type: Newspaper
System: The Portal to Texas History
Abilene Daily Reporter (Abilene, Tex.), Vol. 11, No. 232, Ed. 1 Saturday, April 6, 1907 (open access)

Abilene Daily Reporter (Abilene, Tex.), Vol. 11, No. 232, Ed. 1 Saturday, April 6, 1907

Daily newspaper from Abilene, Texas that includes local, state, and national news along with advertising.
Date: April 6, 1907
Creator: Shook, L. B.
Object Type: Newspaper
System: The Portal to Texas History
Abilene Daily Reporter (Abilene, Tex.), Vol. 12, No. 219, Ed. 1 Monday, April 6, 1908 (open access)

Abilene Daily Reporter (Abilene, Tex.), Vol. 12, No. 219, Ed. 1 Monday, April 6, 1908

Daily newspaper from Abilene, Texas that includes local, state, and national news along with advertising.
Date: April 6, 1908
Creator: Shook, L. B.
Object Type: Newspaper
System: The Portal to Texas History
Abilene Daily Reporter (Abilene, Tex.), Vol. 13, No. 212, Ed. 1 Tuesday, April 6, 1909 (open access)

Abilene Daily Reporter (Abilene, Tex.), Vol. 13, No. 212, Ed. 1 Tuesday, April 6, 1909

Daily newspaper from Abilene, Texas that includes local, state, and national news along with advertising.
Date: April 6, 1909
Creator: unknown
Object Type: Newspaper
System: The Portal to Texas History
Abilene Daily Reporter (Abilene, Tex.), Vol. 14, No. 206, Ed. 1 Wednesday, April 6, 1910 (open access)

Abilene Daily Reporter (Abilene, Tex.), Vol. 14, No. 206, Ed. 1 Wednesday, April 6, 1910

Daily newspaper from Abilene, Texas that includes local, state, and national news along with advertising.
Date: April 6, 1910
Creator: unknown
Object Type: Newspaper
System: The Portal to Texas History
Abilene Daily Reporter (Abilene, Tex.), Vol. 15, No. 182, Ed. 1 Thursday, April 6, 1911 (open access)

Abilene Daily Reporter (Abilene, Tex.), Vol. 15, No. 182, Ed. 1 Thursday, April 6, 1911

Daily newspaper from Abilene, Texas that includes local, state, and national news along with advertising.
Date: April 6, 1911
Creator: unknown
Object Type: Newspaper
System: The Portal to Texas History
The Abilene Daily Reporter (Abilene, Tex.), Vol. 17, No. 84, Ed. 1 Sunday, April 6, 1913 (open access)

The Abilene Daily Reporter (Abilene, Tex.), Vol. 17, No. 84, Ed. 1 Sunday, April 6, 1913

Daily newspaper from Abilene, Texas that includes local, state, and national news along with advertising.
Date: April 6, 1913
Creator: unknown
Object Type: Newspaper
System: The Portal to Texas History
The Abilene Daily Reporter (Abilene, Tex.), Vol. 18, No. 23, Ed. 1 Monday, April 6, 1914 (open access)

The Abilene Daily Reporter (Abilene, Tex.), Vol. 18, No. 23, Ed. 1 Monday, April 6, 1914

Daily newspaper from Abilene, Texas that includes local, state, and national news along with advertising.
Date: April 6, 1914
Creator: unknown
Object Type: Newspaper
System: The Portal to Texas History
The Abilene Daily Reporter (Abilene, Tex.), Vol. 19, No. 27, Ed. 1 Tuesday, April 6, 1915 (open access)

The Abilene Daily Reporter (Abilene, Tex.), Vol. 19, No. 27, Ed. 1 Tuesday, April 6, 1915

Daily newspaper from Abilene, Texas that includes local, state, and national news along with advertising.
Date: April 6, 1915
Creator: unknown
Object Type: Newspaper
System: The Portal to Texas History
The Abilene Daily Reporter (Abilene, Tex.), Vol. [20], No. 24, Ed. 1 Thursday, April 6, 1916 (open access)

The Abilene Daily Reporter (Abilene, Tex.), Vol. [20], No. 24, Ed. 1 Thursday, April 6, 1916

Daily newspaper from Abilene, Texas that includes local, state, and national news along with advertising.
Date: April 6, 1916
Creator: unknown
Object Type: Newspaper
System: The Portal to Texas History
The Abilene Daily Reporter (Abilene, Tex.), Vol. 21, No. 20, Ed. 1 Friday, April 6, 1917 (open access)

The Abilene Daily Reporter (Abilene, Tex.), Vol. 21, No. 20, Ed. 1 Friday, April 6, 1917

Daily newspaper from Abilene, Texas that includes local, state, and national news along with advertising.
Date: April 6, 1917
Creator: unknown
Object Type: Newspaper
System: The Portal to Texas History
The Abilene Daily Reporter (Abilene, Tex.), Vol. 22, No. 99, Ed. 1 Sunday, April 6, 1919 (open access)

The Abilene Daily Reporter (Abilene, Tex.), Vol. 22, No. 99, Ed. 1 Sunday, April 6, 1919

Daily newspaper from Abilene, Texas that includes local, state, and national news along with advertising.
Date: April 6, 1919
Creator: unknown
Object Type: Newspaper
System: The Portal to Texas History
The Abilene Daily Reporter (Abilene, Tex.), Vol. 24, No. 281, Ed. 1 Friday, April 6, 1923 (open access)

The Abilene Daily Reporter (Abilene, Tex.), Vol. 24, No. 281, Ed. 1 Friday, April 6, 1923

Daily newspaper from Abilene, Texas that includes local, state, and national news along with advertising.
Date: April 6, 1923
Creator: unknown
Object Type: Newspaper
System: The Portal to Texas History