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About the Toroidal Magnetic Field of a Tokamak Burning Plasma Experiment with Superconducting Coils (open access)

About the Toroidal Magnetic Field of a Tokamak Burning Plasma Experiment with Superconducting Coils

In tokamaks, the strong dependence on the toroidal magnetic field of both plasma pressure and energy confinement is what makes possible the construction of small and relatively inexpensive burning plasma experiments using high-field resistive coils. On the other hand, the toroidal magnetic field of tokamaks using superconducting coils is limited by the critical field of superconductivity. In this article, we examine the relative merit of raising the magnetic field of a tokamak plasma by increasing its aspect ratio at a constant value of the peak field in the toroidal magnet. Taking ITER-FEAT as an example, we find that it is possible to reach thermonuclear ignition using an aspect ratio of approximately 4.5 and a toroidal magnetic field of 7.3 T. Under these conditions, fusion power density and neutron wall loading are the same as in ITER [International Thermonuclear Experimental Reactor], but the normalized plasma beta is substantially smaller. Furthermore, such a tokamak would be able to reach an energy gain of approximately 15 even with the deterioration in plasma confinement that is known to occur near the density limit where ITER is forced to operate.
Date: February 20, 2002
Creator: Mazzucato, E.
Object Type: Report
System: The UNT Digital Library
Alive in the Mystery: Finding a God-Centered Life - Obeying God transcript

Alive in the Mystery: Finding a God-Centered Life - Obeying God

Lecture given Wednesday, February 20, 2002, 2:00 PM at Abilene Christian University: "The point of spirituality is relationship with God. Knowing God relationally requires that we listen for His word and live within it. Join us as we search together for a God-oriented life."
Date: February 20, 2002
Creator: Ganus, Debbie
Object Type: Sound
System: The Portal to Texas History
Altus Times (Altus, Okla.), Vol. 103, No. 304, Ed. 1 Wednesday, February 20, 2002 (open access)

Altus Times (Altus, Okla.), Vol. 103, No. 304, Ed. 1 Wednesday, February 20, 2002

Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date: February 20, 2002
Creator: Bush, Michael
Object Type: Newspaper
System: The Gateway to Oklahoma History
The Alvin Advertiser (Alvin, Tex.), Ed. 1 Wednesday, February 20, 2002 (open access)

The Alvin Advertiser (Alvin, Tex.), Ed. 1 Wednesday, February 20, 2002

Weekly newspaper from Alvin, Texas that includes local, state, and national news along with advertising.
Date: February 20, 2002
Creator: Schwind, Jim & Holton, Kathleen
Object Type: Newspaper
System: The Portal to Texas History
Applicability of federal and state hazardous waste regulatory programs to waste chemical weapons and chemical warfare agents. (open access)

Applicability of federal and state hazardous waste regulatory programs to waste chemical weapons and chemical warfare agents.

This report reviews federal and state hazardous waste regulatory programs that govern the management of chemical weapons or chemical warfare agents. It addresses state programs in the eight states with chemical weapon storage facilities managed by the U.S. Army: Alabama, Arkansas, Colorado, Indiana, Kentucky, Maryland, Oregon, and Utah. It also includes discussions on 32 additional states or jurisdictions with known or suspected chemical weapons or chemical warfare agent presence (e.g., disposal sites containing chemical agent identification sets): Alaska, Arizona, California, Florida, Georgia, Hawaii, Idaho, Illinois, Iowa, Kansas, Louisiana, Massachusetts, Michigan, Mississippi, Missouri, Nebraska, Nevada, New Jersey, New Mexico, New York, North Carolina, Ohio, Pennsylvania, South Carolina, South Dakota, Tennessee, Texas, the U.S. Virgin Islands, Virginia, Washington, Washington, D.C., and Wyoming. Resource Conservation and Recovery Act (RCRA) hazardous waste programs are reviewed to determine whether chemical weapons or chemical warfare agents are listed hazardous wastes or otherwise defined or identified as hazardous wastes. Because the U.S. Environmental Protection Agency (EPA) military munitions rule specifically addresses the management of chemical munitions, this report also indicates whether a state has adopted the rule and whether the resulting state regulations have been authorized by EPA. Many states have adopted parts or all of the …
Date: February 20, 2002
Creator: Haffenden, R. & Kimmell, T.
Object Type: Report
System: The UNT Digital Library
The Artist as Priest and Prophet - Conflict: Building Altars in a Divided Kingdom transcript

The Artist as Priest and Prophet - Conflict: Building Altars in a Divided Kingdom

Lecture given Wednesday, February 20, 2002, 2:00 PM at Abilene Christian University: "The church cultivates believing souls by answering compelling questions, while the artist cultivates seeing souls by raising compelling images. Is there a conflict - an identity - in the believing artist's dual relationship with the Kingdom and the "world?" How can she be true to her work and be true to the community of faith?"
Date: February 20, 2002
Creator: Beaubeaux, Carmen
Object Type: Sound
System: The Portal to Texas History
Baptism: Our Spirituality's Defining Moment - The Spirit's Grace That Comes After Baptism transcript

Baptism: Our Spirituality's Defining Moment - The Spirit's Grace That Comes After Baptism

Lecture given Wednesday, February 20, 2002, 9:45 AM at Abilene Christian University: "How can we hope to "Recover Spirituality" without recovering a rubust doctrine of the indwelling Holy Spirit? Is spirituality anything other than life in the Spirit of God? This life in the Spirit begins at baptism - spirituality's defining moment. Rediscover the Spirit's grace working in your life."
Date: February 20, 2002
Creator: Sager, Scott
Object Type: Sound
System: The Portal to Texas History
The Baytown Sun (Baytown, Tex.), Vol. 80, No. 86, Ed. 1 Wednesday, February 20, 2002 (open access)

The Baytown Sun (Baytown, Tex.), Vol. 80, No. 86, Ed. 1 Wednesday, February 20, 2002

Daily newspaper from Baytown, Texas that includes local, state, and national news along with advertising.
Date: February 20, 2002
Creator: Cash, Wanda Garner
Object Type: Newspaper
System: The Portal to Texas History
Be Filled with the Spirit - Ephesians 5:15-20 transcript

Be Filled with the Spirit - Ephesians 5:15-20

Lecture given Wednesday, February 20, 2002, 11:00 AM at Abilene Christian University
Date: February 20, 2002
Creator: Taylor, Jerry
Object Type: Sound
System: The Portal to Texas History
Campaign Finance Bills Passed in the 107th Congress: Comparison of S. 27 (McCain-Feingold), H.R. 2356 (Shays-Meehan), and Current Law (open access)

Campaign Finance Bills Passed in the 107th Congress: Comparison of S. 27 (McCain-Feingold), H.R. 2356 (Shays-Meehan), and Current Law

This report summarizes and compares the two campaign finance reforms bills that have passed the House and Senate in the 107th congress and current law cases.
Date: February 20, 2002
Creator: Cantor, Joseph E. & Whitaker, L. Paige
Object Type: Report
System: The UNT Digital Library
Can I Still Learn to Enjoy Jesus? - Becoming a Person and Church of Joy transcript

Can I Still Learn to Enjoy Jesus? - Becoming a Person and Church of Joy

Lecture given Wednesday, February 20, 2002, 2:00 PM at Abilene Christian University: "Why do some Christians appear to have little joy in the Lord? Why do so many Christians seek joy from what is destructive? God envisions that His church be a people who have found delight in Him."
Date: February 20, 2002
Creator: Martin, Jim
Object Type: Sound
System: The Portal to Texas History
Celebrating the Wrath of God - Building Doghouses and Building Worlds transcript

Celebrating the Wrath of God - Building Doghouses and Building Worlds

Lecture given Wednesday, February 20, 2002, 2:00 PM at Abilene Christian University: "These presentations claim that the wrath of God is another face of His holy love dealing with humanity's sin. It embraces humanity as a whole and shows itself as the suffering we see in the world. The wrath not only speaks of the sinfulness of our sin; it proclaims God's steadfast refusal to let us sink without trace. And since His loving wrath is so pervasive and relentless, it implies a glorious end that will "justify the means.""
Date: February 20, 2002
Creator: McGuiggan, Jim
Object Type: Sound
System: The Portal to Texas History
Chamber transport of ''foot'' pulses for heavy-ion fusion (open access)

Chamber transport of ''foot'' pulses for heavy-ion fusion

Indirect-drive targets for heavy-ion fusion must initially be heated by ''foot'' pulses that precede the main heating pulses by tens of nanoseconds. These pulses typically have a lower energy and perveance than the main pulses, and the fusion-chamber environment is different from that seen by later pulses. The preliminary particle-in-cell simulations of foot pulses here examine the sensitivity of the beam focusing to ion-beam perveance, background-gas density, and pre-neutralization by a plasma near the chamber entry port.
Date: February 20, 2002
Creator: Sharp, W. M.; Callahan-Miller, D. A.; Tabak, M.; Yu, S. S. & Peterson, P. F.
Object Type: Article
System: The UNT Digital Library
Cherokeean/Herald (Rusk, Tex.), Vol. 152, No. 52A, Ed. 1 Wednesday, February 20, 2002 (open access)

Cherokeean/Herald (Rusk, Tex.), Vol. 152, No. 52A, Ed. 1 Wednesday, February 20, 2002

Weekly newspaper from Rusk, Texas that includes local, state and national news along with extensive advertising.
Date: February 20, 2002
Creator: Whitehead, Marie
Object Type: Newspaper
System: The Portal to Texas History
Children Should Be Seen and Heard: Nurturing the Spirituality of Children - Let the Little Children Come: How? transcript

Children Should Be Seen and Heard: Nurturing the Spirituality of Children - Let the Little Children Come: How?

Lecture given Wednesday, February 20, 2002, 9:45 AM at Abilene Christian University: "When Jesus said, "Let the little children come to Me," He wasn't just inviting them to Sunday school; He was affirming their place in His Kingdom, His church. Growing a new generation of faith-filled Christians requires a commitment to rich communal practices that enable children to learn the language of faith, participate in the life of God's people and receive their lives as a celebration of the believing community."
Date: February 20, 2002
Creator: Neilson, Shelley
Object Type: Sound
System: The Portal to Texas History
The Christian's Green Thumb: The Essentials of Spiritual Growth - The Nutrition for Spiritual Growth transcript

The Christian's Green Thumb: The Essentials of Spiritual Growth - The Nutrition for Spiritual Growth

Lecture given Wednesday, February 20, 2002, 8:30 AM at Abilene Christian University: "Agriculturists and horticulturists often boast of their mystical green thumb, which helps them produce bountiful harvests of fruits, vegetables and flowers. These sessions will explore ways that the Christian can develop a "green thumb" as he or she seeks to fulfill that all-important mandate to grow spiritually."
Date: February 20, 2002
Creator: Barclay, Richard
Object Type: Sound
System: The Portal to Texas History
A Church that Flies - Doing the Same Things Differently transcript

A Church that Flies - Doing the Same Things Differently

Lecture given Wednesday, February 20, 2002, 9:45 AM at Abilene Christian University: "Everyone wants to be part of a "faithful" church. But "faithful" to what? To an apostolic patter? To an inherited tradition? To the purposes God intends for the church? We are commissioned people. God has work for us to do. This class identifies what God wants the church to be about and encourages to put that work first."
Date: February 20, 2002
Creator: Woodroof, Tim
Object Type: Sound
System: The Portal to Texas History
The Clifton Record (Clifton, Tex.), Vol. 107, No. 15, Ed. 1 Wednesday, February 20, 2002 (open access)

The Clifton Record (Clifton, Tex.), Vol. 107, No. 15, Ed. 1 Wednesday, February 20, 2002

Semi-weekly newspaper from Clifton, Texas that includes local, state, and national news along with advertising.
Date: February 20, 2002
Creator: Smith, W. Leon
Object Type: Newspaper
System: The Portal to Texas History
The Collegian (Hurst, Tex.), Vol. 14, No. 17, Ed. 1 Wednesday, February 20, 2002 (open access)

The Collegian (Hurst, Tex.), Vol. 14, No. 17, Ed. 1 Wednesday, February 20, 2002

Weekly student newspaper published in Hurst, Texas and serving the Tarrant County College District that includes school news and information along with advertising.
Date: February 20, 2002
Creator: unknown
Object Type: Newspaper
System: The Portal to Texas History
Confessions of a Church of Christ Monk - Monk Without a Monastery transcript

Confessions of a Church of Christ Monk - Monk Without a Monastery

Lecture given Wednesday, February 20, 2002, 9:45 AM at Abilene Christian University: "Do you ever find in the frantic pace of life and its hectic demands that there is little time to simply be with God? Is it possible to have one's life guided by God's presence rather than the demands all around us? Come discover the way of "desert spirituality.""
Date: February 20, 2002
Creator: Harris, Randy
Object Type: Sound
System: The Portal to Texas History
Daily Journal (Perry, Okla.), Vol. 109, No. 37, Ed. 1 Wednesday, February 20, 2002 (open access)

Daily Journal (Perry, Okla.), Vol. 109, No. 37, Ed. 1 Wednesday, February 20, 2002

Daily newspaper from Perry, Oklahoma that includes local, state, and national news along with advertising.
Date: February 20, 2002
Creator: Brown, Gloria
Object Type: Newspaper
System: The Gateway to Oklahoma History
Darkest Africa Becomes Lightest Africa transcript

Darkest Africa Becomes Lightest Africa

Lecture given Wednesday, February 20, 2002, 9:45 AM at Abilene Christian University: "In 100 years Africa has risen from a straggling missions zone to the center of world Christianity. How did this happen? Who was responsible? How have Churches of Christ figured in this transformation?"
Date: February 20, 2002
Creator: Broom, Wendell & Williams, Tex
Object Type: Sound
System: The Portal to Texas History
DART Test Trains Traveling to Richardson (open access)

DART Test Trains Traveling to Richardson

News release about test trains being run along new DART light rail lines ahead of the opening of LBJ/Central Station.
Date: February 20, 2002
Creator: Lyons, Morgan
Object Type: Text
System: The Portal to Texas History
Dislocation core in GaN (open access)

Dislocation core in GaN

Light emitting diodes and blue laser diodes grown on GaN have been demonstrated despite six orders of magnitude higher dislocation density than that for III-V arsenide and phosphide diodes. Understanding and determination of dislocation cores in GaN is crucial since both theoretical and experimental work are somewhat contradictory. Transmission Electron Microscopy (TEM) has been applied to study the layers grown by hydride vapor-phase epitaxy (HVPE) and molecular beam epitaxy (MBE) (under Ga rich conditions) in plan-view and cross-section samples. This study suggests that despite the fact that voids are formed along the dislocation line in HVPE material, the dislocations have closed cores. Similar results of closed core are obtained for the screw dislocation in the MBE material, confirming earlier studies.
Date: February 20, 2002
Creator: Liliental-Weber, Zuzanna; Jasinski, Jacek B.; Washburn, Jack & O'Keefe, Michael A.
Object Type: Article
System: The UNT Digital Library