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Dynamics of Ferrofluidic Flow in the Taylor-Couette System With a Small Aspect Ratio

Description

We investigate fundamental nonlinear dynamics of ferrofluidic Taylor-Couette flow - flow confined be-tween two concentric independently rotating cylinders - consider small aspect ratio by solving the ferro-hydrodynamical equations, carrying out systematic bifurcation analysis. Without magnetic field, we find steady flow

We investigate fundamental nonlinear dynamics of ferrofluidic Taylor-Couette flow - flow confined be-tween two concentric independently rotating cylinders - consider small aspect ratio by solving the ferro-hydrodynamical equations, carrying out systematic bifurcation analysis. Without magnetic field, we find steady flow patterns, previously observed with a simple fluid, such as those containing normal one- or two vortex cells, as well as anomalous one-cell and twin-cell flow states. However, when a symmetry-breaking transverse magnetic field is present, all flow states exhibit stimulated, finite two-fold mode. Various bifurcations between steady and unsteady states can occur, corresponding to the transitions between the two-cell and one-cell states. While unsteady, axially oscillating flow states can arise, we also detect the emergence of new unsteady flow states. In particular, we uncover two new states: one contains only the azimuthally oscillating solution in the configuration of the twin-cell flow state, and an-other a rotating flow state. Topologically, these flow states are a limit cycle and a quasiperiodic solution on a two-torus, respectively. Emergence of new flow states in addition to observed ones with classical fluid, indicates that richer but potentially more controllable dynamics in ferrofluidic flows, as such flow states depend on the external magnetic field.

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Date Created
2017-01-06

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Translation of the Second Half of "Inimitability of the Quran, Between Theory and Application"

Description

The goal of this project is to translate a philosophical book that discusses the inimitavility of the Holy Qur'an from a philosophical perspective. Half of the book "Inimitability of the Qur'an, between theory and application" by Mahmud Ni'mah Al-Jayyashi, was

The goal of this project is to translate a philosophical book that discusses the inimitavility of the Holy Qur'an from a philosophical perspective. Half of the book "Inimitability of the Qur'an, between theory and application" by Mahmud Ni'mah Al-Jayyashi, was found to be the ideal choice for the project; thus, the specified part was translated. In the preface, the book discussed divisions of miracles and found that the Qur'an is an intellectual miracle. Then in the first chapter it discussed the aspects and foundations of miracles. It listed most of the inimitable aspects of the Holy Qur'an which were mentioned by different Muslin scholars. In the second chapter, it discussed the author's view of the main inimitable aspects of the Holy Qur'an. It also discussed the elements of the Qur'anic challenge by whom the Qur'an was sent, the no-contradiction challenge, and the pure and eloquent style of the Holy Qur'an.

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Date Created
2014-12

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Political, Economic, Social, and Technological Changes Resulting from Modernization: Implications for Music Education [Arabic Abstract]

Description

Many countries are in the process of modernizing, which means, among other things, that their population growth is slowing while education, health care, transportation, and communication are improving. The results of modernization are political, economic, social, and technological. Results of

Many countries are in the process of modernizing, which means, among other things, that their population growth is slowing while education, health care, transportation, and communication are improving. The results of modernization are political, economic, social, and technological. Results of modernization and implications for music, education, and music education include:

1. Increasing political egalitarianism implies less censorship of music, education, and music     
    education.
2. Increasing wealth should lead to more access to music instruction and technology.
3. More formal education will provide more opportunities for music education for children and
    university students.
4. Smaller families could lead to more reliance on institutions for music instruction.
5. Increasing social problems, including weaker community ties, may lead to more reliance on
    institutions for music instruction and less interest in folk music.
6. Greater separation of church and state will result in less teaching of religious music.
7. Technological innovations will lead to more and different electronic teaching of music.
8. More multitasking will require the teaching of music technology.
9. Increasing multiculturalism will require ongoing examinations of which music to teach.
10. Advancing popular culture will result in more popular music being taught.

More egalitarian societies may also require more practice-oriented and less intellectual approaches to music. Professional practice in modernizing countries will tend more toward inclusion and less toward exclusion.

تخضع العديد من البلدان لعملية تحديث، وهذا يعني من زوايا أخرى، أن النمو السكاني ضعيف في حين أن التعليم والرعاية الصحية والنق والاتصالات في تقدم. نتائج التطوير منها سياسية،اقتصادية، اجتماعية، وتكنولوجية. تشمل نتائج التطوير والآثار المترتبة على الموسيقى، والتعليم، والتربية الموسيقية: (1) زيادة المساواة السياسية تؤدي إلى تخفيف الرقابة على الموسيقى، والتعليم، والتربية الموسيقية، (2) ارتفاع مستوى المعيشة يؤدي إلى خلق فرص الحصول على تعلم الموسيقى والتكنولوجيا (3) التعليم الرسمي سيوفر المزيد من الفرص لتدريس الموسيقى للأطفال وطلاب الجامعات، (4) إمكانية الاعتماد على معاهد تعليم الموسيقى من قبل الأسر الصغيرة (5) زيادة المشاكل الاجتماعية، بما في ذلك المجمعات الضعيفة، قد يؤدي إلى مزيد من الاعتماد على معاهد تعليم الموسيقى وقلة الاهتمام في تعلم الموسيقى الشعبية. (6) الفصل بين الكنيسة والدولة يؤدي إلى قلة تدريس الموسيقى الدينية. (7) الابتكارات التكنولوجية ستؤدي إلى زيادة تعلم الموسيقى الالكترونية. 8) تعدد المهام تتطلب المزيد من تدريس الموسيقى التكنولوجية. (9) زيادة التعددية الثقافية يتطلب الامتحانات الجارية منها لتعليم الموسيقى، و(10) تقدم الثقافة الشعبية سيؤدي إلى زيادة الطلب على دراستها. أكثر المجتمعات التي يوجد فيها مساواة تتطلب إلى مزيد من التدريب العملي للموسيقى على حساب النهج الفكري. الممارسة المهنية في البلدان المتطورة تميل أكثر نحو الشمولية وتستبعد الإقصاء.

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Agent

Created

Date Created
2010

Aychan

Description

“Lost Boys Found” is an ongoing, interdisciplinary project that is collecting, recording and archiving the oral histories of the Lost Boys/Girls of Sudan. The collection is a work-in-progress, seeking to record the oral history of as many Lost Boys/Girls

“Lost Boys Found” is an ongoing, interdisciplinary project that is collecting, recording and archiving the oral histories of the Lost Boys/Girls of Sudan. The collection is a work-in-progress, seeking to record the oral history of as many Lost Boys/Girls as are willing, and will be used in a future book.

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Ayom

Description

“Lost Boys Found” is an ongoing, interdisciplinary project that is collecting, recording and archiving the oral histories of the Lost Boys/Girls of Sudan. The collection is a work-in-progress, seeking to record the oral history of as many Lost Boys/Girls

“Lost Boys Found” is an ongoing, interdisciplinary project that is collecting, recording and archiving the oral histories of the Lost Boys/Girls of Sudan. The collection is a work-in-progress, seeking to record the oral history of as many Lost Boys/Girls as are willing, and will be used in a future book.

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Agent

Tut Gatyiel

Description

Tut is a former Lost Boy of Sudan who reported facing hunger, loss, and fear of uncertain death. Both of Tut's parents were killed by the Muslim government while he was out in a field tending to the cows.

“Lost Boys

Tut is a former Lost Boy of Sudan who reported facing hunger, loss, and fear of uncertain death. Both of Tut's parents were killed by the Muslim government while he was out in a field tending to the cows.

“Lost Boys Found” is an ongoing, interdisciplinary project that is collecting, recording and archiving the oral histories of the Lost Boys/Girls of Sudan. The collection is a work-in-progress, seeking to record the oral history of as many Lost Boys/Girls as are willing, and will be used in a future book.

Contributors

Agent

Created

Date Created
2012-10-07