Historical essay: An Arabic surgeon, Ibn al Quff's (1232–1286) account on surgical pain relief

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Takrouri, Mohamad Said Maani

2010-01-01

This is a review of Ibn al Quff's account of surgical pain relief in his surgical book Al Omdah, in which he mentioned the word anesthetic (Al moukhadder) and the involvement of physician (al tabbaaee) to give mixture of drugs to prevent pain in a surgical condition to relieve the patient from pain or to make surgical management possible. Hich indicated one rare occasion to such description in Arabic medical texts. Methods of administration of these drugs were inhalation, ingestion and by rec...

Originality in Imitation: Two mu‘āraḍas by Ibn Darrāj al-Qasṭallī

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Gruendler, Beatrice

2008-12-01

Full Text Available The essay explores the range and function of the emulation (mu‘āraḍa in al-Andalus, taking as examples two odes of Ibn Darrāj al-Qasṭallī (d. 421/1030, dedicated to his first patron al-Ḥājib al-Manrṣūr and his last patron al-Mundhir b. Yaḥyā of Saragossa. The first is modeled on an ode of Abū Nuwās and a declared poetic contest, the second a silent overwriting of al-Mutanabbī’s ode on the battle of al-Ḥadath, summoning it as “the vocabulary of a second higher power” to invert a celebration of military victory into one of a wedding feast. The ode acted as an ideological strategy to defend the patron’s peaceful diplomacy with Saragossa’s two Christian neighbors in order to form a coalition against a third Christian party, and it responded to criticism by some Muslim contemporaries. Both emulations show the considerable freedom Ibn Darrāj took in developing the themes of his subtexts.

Este artículo analiza las variedades y la función de la imitación literaria (mu‘āraḍa en al-Andalus a partir de dos poemas que Ibn Darrāj al-Qasṭallī (m. 421/1030 dedicó a sus mecenas al-Ḥājib al-Manrṣūr y al-Mundhir b. Yaḥyā. El primero de ellos imita un poema de Abū Nuwās, en competición poética explícita con el mismo. El segundo es una imitación no reconocida como tal del poema de al-Mutanabbī sobre la batalla de al-Ḥadath, que se invoca como “vocabulario de un segundo poder más elevado” para convertir la celebración de una victoria militar en la de una boda. al-Qasṭallī utilizó este segundo poema como estrategia ideológica para defender la diplomacia pacífica que su mecenas mantenía con dos vecinos cristianos de Zaragoza con los que formaba una coalición contra una tercera facción cristiana. Con él respondía a la crítica de la que esta política era objeto entre ciertos musulmanes. Ambas imitaciones muestran la considerable libertad que Ibn Darrāj se tomó a la

Dualisme Pemikiran Sufistik Ibn Taymiyyah

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Yunasril Ali

2014-12-01

Full Text Available Abstrak : Ibn Taymiyyah, meski dikenal sebagai tokoh panutan radikalis salafi yang anti pembaharuan dan alergi tasawuf, ternyata merupakan inspirator kaum modernis dan juga seorang sufi. Bagaimana mungkin seorang yang anti tasawuf   juga adalah seorang aktivis tasawuf ? Bagaimana posisi Ibn Taymiyyah seharusnya dipetakan?  Bagaimana pula sikapnya yang terlihat kontradiktif ini dapat dijelasakan? Dengan mengkaji karya-karyanya dan mempertimbangkan pengalaman hidup Ibn Taymiyyah yang ditelisik melalui perspektif psikosufistik penulis akan menjawab persoalan tersebut. Tulisan ini menyatakan bahwa kritikan dan penolakannya atas jenis tasawuf tertentu (nazharī-falsafī didasarkan kerancuan dalam pemaknaan istilah dan paradigma yang berbeda dari objek yang dikritiknya. Ditunjukkan pula sikapnya menjelang kematian —dalam kondisi batin terkondisikan sedemikian rupa sehingga bukannya dipenuhi diskursus ilmiah, ia tenggelam dalam taqarub dan perhatian penuh kepada Allah dan mencapai puncak pengalaman sufistik, fana— kendatipun kontradiktif, tidak lain merupakan perkembangan dari kesadaran religiusnya.Kata kunci : radikalis salafi, dualisme, fiqh al-qulūb, neo-sufisme, anti tasawuf, ḥulūl, ittiḥād, waḥdat al-wujūd.Abstract : Ibn Taymiyya, despite being well-kown as a figure of salafi-radicalists which are anti-reformism and oppose tasawuf, in fact is an inspiring figure for some modernist Muslims and is a sufi. How could it be possible for someone who criticizes tasawuf to be a sufi? How should Ibn Taymiyya be placed correctly in this regard?  How could his contradictive attitude be explained? These questions will be discussed in paper through a careful study of his works and by investigating his life-experience from a psycho-sufistic perspective. This paper argues that his criticism to certain kind of tasawwuf, i.e., the naẓarī-falsafī, is often based on confusion in understanding terms and departs from different paradigm used by

IBN ‘ARABI AND THE TRANSCENDENTAL UNITY OF RELIGIONS

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Media Zainul Bahri

2012-07-01

Full Text Available This essay describes Ibn ‘Arabi’s comprehensive views, captured in his important Futuhat and Fusus, on the concept of wahdat al-adyan, the discrepancy of beliefs, and the Shari’ah as well as its juncture and its unity. Elaborated explanation in this paper is expected to result in a true understanding of this crucial issue, particularly the concept of religious pluralism in the discourse of Islamic studies. Ibn Arabi’ extensively  discusses religion in the sense of the “ideal” versus “historical” or “esoteric” versus “the exoteric”. Ibn ‘Arabi concludes that the absolute unity of religions may only occur within spiritual, ideal, or transcendental realm (or “esoteric”, which is beyond the formal form of religions. Hence, the transcendental unity of religions cannot be found in the formal form of religions nor in the shari’ah.[Artikel ini mengulas pandangan Ibn ‘Arabi’ mengenai wahdat al-adyan seperti dijelaskan dalam dua bukunya; Futuhat dan Fusus, dan perbedaan dan kesamaan antara iman dan shariah. Diharapkan diskusi artikel ini berkontribusi dalam kajian pluralisme, utamanya dalam disiplin studi Islam. Dalam diskusinya, Ibn Arabi’  menjelaskan perbedaan ‘ideal’ dan ‘historikal’ atau antara ‘esoterik’ dan ‘eksoterik’. Ibn ‘Arabi berpendapat bahwa kemanunggalan agama-agama dapat dicapai melalui spiritualitas, ideal, atau dimensi transcendental (esoterik yang ada di luar tampilan formal agama-agama. Dengan kata lain, kemanunggalan tersebut tidak akan ditemukan pada shari’ah.

Did Ibn Sina Observe the Transit of Venus of 1032 CE?

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Kapoor, R. C.

2012-09-01

The Persian polymath Abu Ali ibn Sina (980--1037 CE), known to early Western sources as Avicenna, records that ``I say that I saw Venus as a spot on the surface of the sun''. This statement has been quoted, for example, by Nasir al Din al Tusi (1201--1274 CE). A Transit of Venus indeed took place during ibn Sina's life time, that is on 24 May 1032 CE. Did ibn Sina see this Transit or did he merely see a sunspot? The question was addressed by Bernard R. Goldstein in 1969 who concluded that ``this Transit may not have been visible where he lived''. Goldstein based his conclusion on the input provided by Brian G Marsden who in turn used mathematical tables prepared by J. Meeus in 1958. I have begun re-examination of the question by employing Fred Espenak's Transit predictions. Preliminary work shows that ibn Sina could indeed have obtained a glimpse of the Transit of Venus just before sunset from places like Isfahan or Hamadan. In other words, when ibn Sina said he saw Venus on the surface of the Sun, he probably meant it.

Ibn Tufail as a SciArtist in the Treatise of Hayy Ibn Yaqzan

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Nadia Maftouni

2017-12-01

Full Text Available Ibn Tufail as a scientist as well as an artist exposes the issues of human anatomy, autopsy, and vivisection and, thereby, could be regarded as a SciArtist. SciArt might be defined as a reciprocal relation between art and science. Followings are the kinds of these interactions: artistically-inclined scientific activities,science-minded artistic activities, and intertwined scientific and artistic activities. In their fictional treatises, Avicenna, Ibn Tufail, and Suhrawardi are traditional avatars of SciArt. This paper frames an account of SciArt, suggesting in detail Ibn Tufail’s work as a prototypical example, while Avicenna and Suhrawardi go beyond the scope of this paper. An instant of intertwined scientific and artistic activities strongly captivates the attentions to Ibn Tufail, describing human anatomy, autopsy, and vivisection in his Treatiseof Hay Ibn Yaqzan. Recognized as the first philosophical story, Hay Ibn Yaqzan depicts the whole philosophy of Ibn Tufail by the story of an autodidactic feral child a gazelle raised whom in an island in the Indian Ocean.

Ibn Qayyim Al-Jawziyyah and Allameh Tabataba’i on Immortality in Hell

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Janan Izadi

2016-09-01

Full Text Available The Immortality of the people of hell and their eternal torment is one of the most important and complex debates, preoccupying religious scholars of different religions and sects. Each of them has taken a different way based on their intellectual principles of belief to solve this problem and the questions thereof, including how the immortality of the inhabitants of hell hellions and their eternal torment is consistent with the mercy and justice of God. How is it reasonable to endure infinite torment for limited and finite sins? Does a Merciful God, born a sinful slave forever in the fire of the hereafter? Or  is this not the case and He punishes the sinful people for a limited period of time, whether it is short or long, and then releases them from  torture and provides them with  comfort. There is a difference of opinions on these problems in the works of Ibn Qayyim Al- Jawziyyah Al-Ash͑ari and Allameh Tabataba’i, the Shiite philosopher and commentator.Ibn Qayyim addresses widely and systematically the issue of the immortality of the inhabitants of hell. In fact, he interprets immortality (khulūd as a long time, so that the long fire and scourge annihilate the evil from the souls that evil has mixed in their being.  In his viewpoint God has created human monotheist. If the monotheistic nature of the person is changed by vices, these vices and the corrupted nature can be changed by torment and fire. He quotes in his works the ideas of the believers in immortality in torment and criticizes and rebuts them. Stating so many arguments, Ibn Qayyim Al-Jawziyya tries to deny the immortality and eternality in torment. Interpreting the verses of The Holy Quran on immortality of the inhabitants of hell in torment, Allameh Tabataba’i strongly asserts the immortality principle. He relates the happiness and misery, and good and evil among human beings to the development and appearance of the carnal states and habits they gained in the earthly

‘Aqidah al-Tauh id ‘Inda Ibn Taimiyah

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Amal Fathullah Zarkasyi

2011-05-01

Full Text Available There were various explications of the concept of tawhid presented by Muslim scholars in the past, especially among mutakallimun and falasifah, but most of them emphasized on the unity of essence, attribute activities. Ibn Taymiyyah is one of the most celebrated Muslim theologians and regarded by some as mujaddid or reformer on Islamic theological thought. His reformative thought could be discerned from his concept oftawhid, which is deemed unique and worthy of further studies. However, it is not only of his concept that he was regarded as reformer, but also his framework of theological studies. The method employed in this research is literary studies, yet it is also supported by historical, descriptive, inductive and critical analytical method. The finding of this research is that Ibn Taimiyyah’s concept of tawhidconsists of unity of God, unity of Allah worship and the unity of essence and attribute. The first means the belief existence of God as the Creator; the second is the manifestation of belief in the form worship by heart, speech and good deed; the last one is belief in the perfect attributes of Allah based on the Qur’an and Sunnah. He also emphasized that one who does not believe in these three kinds of tawhid, or believe only in the unity of God could not save from the Hell. Regarding the framework, Ibn Taymiyyah restricts that the theological discourses should commit to the Qur’an and Hadits, rely on rational capacity of man, rebuff kalam interpretation and prever revelation from reason.

Ibn Ḥazm on Homosexuality. A case-study of Ẓāhirī legal Methodology

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Adang, Camilla

2003-01-01

This article discusses the views of the teologian and legal scholar Ibn Ḥazm of Cordoba (d. 456/1064) on homosexuality. Although reference is made to his literary work Ṭawq al-ḥamāma, which is rich in anecdotes on homoerotic attraction, the article focuses on Ibn Ḥazm's multivolume legal tract Kitāb al-Muḥallā, a work written from a Ẓāhirī, or literalist perspective. A step-by-step analysis of Ibn Hazm's legal reasoning on homosexuality, both male (

La Urŷūza de Ibn Abī l-Riŷāl y su comentario por Ibn Qunfuḏ: astrología e historia en el Magrib en los siglos XI y XIV (I

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Samsó, Julio

2009-06-01

Full Text Available A quick revision of the available information on the life and works of Ibn Abī l-Rijāl (fl. Tunis ca. 996-1048 and an analysis of the contents of his Urjūza fī aḥkām al-nuŷūm which are compared to those of his better known Kitāb al- Barī‘ fī aḥkām al-nujūm. The conclusion is that both works are independent and that the Urjūza is not a summary of the Barī‘. The paper continues with biobibliographical data of the historian, mathematician and astrologer Ibn Qunfudh al-Qusanṭīnī (1339-1407, who is the author of a commentary of Ibn Abī l-Rijāl’s Urjūza dedicated to Abū Bakr b. Abī Mujāhid Gazī Ibn al-Kās, vizier of the Merinid sultans Abū Fāris (1366-1372 and Abū Zayyān (1372-1374. The work was probably written during the latter’s brief reign and before 1375, the date in which the dedicatee was exiled to Majorca. The work continues with an analysis of the contents of the commentary, the sources quoted, the astrological techniques used both by Ibn Qunfudh and by Ibn Abī l-Rijāl, and the use by the commentator of a set of astronomical tables derived from the zīj of Ibn Isḥāq. We find, finally, a detailed commentary of the horoscopes contained in Ibn Qunfudh’s work which includes one corresponding to the vernal equinox of the year 571 AD, in which there was a conjunction of Saturn and Jupiter which announced the arrival of Islam. There are eleven more horoscopes (two of them published previously which constitute an astrological history of Merinid Morocco between 1348 and 1366. Concerning the nine horoscopes analysed here, in six of them it has been possible to identify the subject or the event motivating the prediction, while three remain unidentified.

Tras una rápida revisión de los escasos datos conocidos sobre la vida y la obra de Ibn Abī l-Riŷāl (fl. Túnez c. 996-1048, se analiza el contenido de su Urŷūza fī aḥkām al-nuŷūm compar

Graphic Description: The Mystery of Ibn Khafaja\\'s Success in Description

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جواد رنجبر

2009-12-01

Full Text Available Graphic Description:   The Mystery of Ibn Khafaja's Success in Description    Ali Bagher Taheriniya *  Javad Ranjbar **      Abstract Ibn Khafaja is one of the poets and men of letters in Spain. He is titled to Sanobari of Spain. He is one of the masters of description. Hence, the analysis of successful techniques he has used in the descriptive art could illuminate the way for others. Al-Taswir al-harfi (graphic description is a term which denotes the highest and most detailed poems. On this basis, the best descriptive poem is one which is closer to a painting. He has used some elements called conforming elements of description which contain: imagination, feeling, faculty, and dialogue as well as three other elements: to be inborn in description, enchanting nature and convenient life. This article is going to give an analysis of the reasons for Ibn Khafaja’s success in description and portrait making.   Key words: Ibn Khafaja, poetry, description, portrait   * Associate Professor, Bu Ali Sina University of Hamadan E-mail: bTaheriniya@yahoo.com  ** M.A. in Arabic Language and Literature

Ibn Rushd on God’s decree and Determination (al-qaḍā’, wa-l-qadar

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Belo, Catarina

2006-12-01

Full Text Available This article is based on Ibn Rushd’s chapter on God’s qaḍā’ wa-qadar, which adresses the question of predestination, as illustrative of a rationalistic approach that introduces philosophical views into an age-old religious debate. My aim is to present Ibn Rushd’s argument, which has unmistakable Aristotelian overtones; therefore, the harmonization of religion and philosophy implicit in his argument is one of the points I would like to explore in this paper. In the same way, I am interested in discussing whether Ibn Rushd’s proposed solution constitutes a middle way between two opposite positions and solves the perennial problem of determinism. The paper also discusses the issue whether he supports predestination, i.e., the view that events are predetermined by God before they happen.

Este artículo se basa en el capítulo de Ibn Rušd sobre los atributos qaḍā’ wa-qadar de Allāh, que se ocupa del concepto "predestinación", como ejemplo de una aproximación racionalista que introduce conceptos filosóficos en un viejo debate religioso. Es mi propósito presentar el argumento de Ibn Rušhd que contiene inequívocas alusiones aristotélicas; por tanto, la armonización de la religión y la filosofía implícita en sus argumentos es uno de los puntos que trataré de explorar en este trabajo. Igualmente, estoy interesada en la cuestión de si las soluciones propuestas por Ibn Rušhd suponen un término medio entre dos posiciones enfrentadas y resuelven el eterno problema del determinismo. Este trabajo discute también si Ibn Rušhd defiende la predestinación, es decir, la cuestión de si los sucesos están predeterminados por Dios antes de que tengan lugar.

COMMUNICATION ETHICS IBN MISKAWAIH AND ITS RELEVANCE TO THE SOLVING OF MORAL PROBLEMS IN INDONESIA

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Muhammad Taufiq

2017-08-01

Full Text Available This research was in depth exploration of the concept of communication ethics and its relevance for the solving of the problems of Indonesian Moral formulated by IbnMiskawaih in his work The Tahdzib Al-Akhlak. In the study of communication science, these two things are interrelated. Communication ethics is an ethical standard for communicators and communicants in communication. From the topic above, there are several problems from the purpose of this study they are; knowing the views of IbnMiskawaih about ethics in terms of communication science perspective, knowing IbnMiskawaih's views on the ethics of verbal and non-verbal communication, knowing the view of IbnMiskawaih about the ethics of intrapersonal communication, Knowing IbnMiskawaih's views on the ethics of interpersonal communication, knowing IbnMiskawaih's view of the ethics of group communication, knowing IbnMiskawaih's view of the ethics of media communication, knowing IbnMiskawaih's view of the ethics of social communication, formulating the communication ethics of IbnMiskwaih and its Relevance for the solving of Moral problems in Indonesia. The research methodology was begun by putting the type of qualitative research with historical research and social research approaches to the study of excellent figures to explore the thoughts and views of a figure in the field. The figure intended here was IbnMaskawaih with descriptive method, which is a research procedure that produces the descriptive data in the form of written or oral words of the people and behave that can be observed directed at the background of individuals holistically that occurred in the past. The Tahdzib Al-Akhlak, the work of IbnMiskawaih contains and affirms communication ethics clearly and systematically. All the substance of the book was oriented to the communication ethics. The IbnMiskwaih writing has laid the verbal and nonverbal communication, intrapersonal communication, interpersonal communication, group

Atheroprotector role of the spleen based on the teaching of Avicenna (Ibn Sina).

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Emtiazy, Majid; Choopani, Rasool; Khodadoost, Mahmood; Tansaz, Mojgan; Nazem, Esmaiel

2013-07-15

Many studies have proven atherosclerosis is an inflammatory immune disease. The spleen plays an important immune role in the human body. Splenectomy is often used in several clinical disorders; but recent studies have shown that splenectomy may be effective in the development of atheroma lesions. Ibn Sina or Avicenna was known as one of the greatest philosopher and physician in Islam and in Medicine. He is remembered for his masterpiece, The "Al-Qanun fi al-Tibb" or "Qanun of medicine". According to the "Al-Qanun fi al-Tibb", spleen as storage organ plays an important role in absorption and secretion of the black bile in the human body. Therefore any disruption in the function of the spleen can lead to various diseases such as atherosclerosis. Based on his description, it is clear that Ibn Sina first described the role of spleen in prevention of atherosclerosis. In this review, we discuss the Avicenna (Ibn Sina) aspect of atheroprotector role of the spleen. Copyright © 2012 Elsevier Ireland Ltd. All rights reserved.

Historical essay: An Arabic surgeon, Ibn al Quff's (1232–1286) account on surgical pain relief

Science.gov (United States)

Takrouri, Mohamad Said Maani

2010-01-01

This is a review of Ibn al Quff's account of surgical pain relief in his surgical book Al Omdah, in which he mentioned the word anesthetic (Al moukhadder) and the involvement of physician (al tabbaaee) to give mixture of drugs to prevent pain in a surgical condition to relieve the patient from pain or to make surgical management possible. Hich indicated one rare occasion to such description in Arabic medical texts. Methods of administration of these drugs were inhalation, ingestion and by rectal suppositories. The drugs used in anesthetic sponges include all the drugs that are recorded in the modern literature of anesthesia. They are as follows: opium, mandrake, Hyocymus albus, belladonna, Cannabis sativus, Cannabis indica, wild lettuce. The anesthetic sponge, mentioned in many references as an inhalation method, may be of symbolic value to surgery. PMID:25885079

KESELARASAN ANTARA SYARIAH DAN FALSAFAH Studi Pemikiran Ibn Rusyd dalam Kitab Fasl al-Maqal

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Muhammad Tamtowi

2017-02-01

Full Text Available Reason and revelation dichotomy has strengthened the stigma of Islamic thoughts. The use of reason is often suspected as a source of error. Philosophy as a method of rational thinking as the problem accused of infidelity. Ibn Rushd particpated in the arena of scientific debate with the brilliant idea of harmonizing between shari’ah and philosophy. For Ibn Rushd, the shari’ah and philosophy are not mutually contradictory. Instead, they are best friends which reinforce each other and strengthen the Islamic Pillars.

Images of the plant kingdom in the Mamluk encyclopedia Masālik al-abṣār by Ibn Faḍl Allāh al-‘Umarī (d. 1349)

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Francesca Bellino

2016-01-01

This article aims at analyzing the representation of the plant kingdom in the Masālik al-abṣār fī mamālik al-amṣār, an Arabic encyclopaedia written by one the leading scholar of the Mamluk period, Šihāb al-Dīn Ibn Faḍl Allāh al-‘Umarī (1301-1349). The first part of the article offers an insight into the work of al-‘Umarī by presenting it in the framework of the encyclopaedic activities that characterize the fourteenth century. It also analyzes a number of special features of the Masālik al-ab...

La "historia de los omeyas de al-Andalus" en los Masalik al-Absar

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Molina, Luis

2005-01-01

[ES]Los Masalik al-absar de Ibn Fadl Allah al-`Umari incluyen un breve resumen de la Historia de los omeyas de al-Andalus. En este trabajo se analizan las relaciones textuales entre ese pasaje y el Muqtabis de Ibn Hayyan, crónica que resulta ser la fuente casi única utilizada por al-`Umari para redactar ese capítulo. [EN]The Masalik al-absar by Ibn Fadl Allah al-`Umari contains a brief summary of the Umayyad history in al-Andalus. In this article, the textual relationship between this p...

Una nueva fuente para la historia de la Sicilia islámica: un pasaje de al-Muqtabis V de Ibn Hayyān sobre la revuelta de Aḥmad b. Qarhab (300- 304/913-916

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Mandalà, Giuseppe

2013-02-01

Full Text Available Can a detail change the history of Islamic Sicily? The revolt of Ibn Qarhab is a well known issue that marks the island’s political transition from the Aghlabid sphere of influence to the nascent Fātimid caliphate in North Africa. Undoubtedly, the reconstruction of the revolt of Ibn Qarhab is based on a late and repetitive corpus of Arab-Islamic sources and, above all, on the irredentist and nineteenth century interpretation given by Michele Amari. The Andalusian source considered here, a passage from al-Muqtabis V of Ibn Ḥayyān, escaped from the mentioned historiographical networks as well as from the attention of current scholarship; it provides an opportunity to clarify some details and offer new interpretations of the event. The revolt of Ibn Qarhab can be interpreted as an informal quest for legitimacy obtained through alliances and contingencies that, unexpectedly, seems to move the island’s centre of gravity from the North African shore to the orbit of influence of the Umayyad emirate of al-Andalus¿Puede un detalle cambiar la historia de la Sicilia islámica? La revuelta de Ibn Qarhab es un tema bastante conocido que marca la transición política de la isla desde la esfera de influencia aglabí a la del naciente califato fātimí en el Norte de África. Sin duda, la reconstrucción de la revuelta de Ibn Qarhab se basa en un corpus tardío y repetitivo de fuentes arabo-islámicas y, sobre todo, en la interpretación irredentista y decimonónica propuesta por Michele Amari. La fuente andalusí aquí considerada, un pasaje de al-Muqtabis V de Ibn Ḥayyān, alejada tanto de las redes historiográficas antes mencionadas como de la atención de la investigación actual, brinda la posibilidad de aclarar algunos detalles y proporcionar nuevas lecturas del acontecimiento. La revuelta de Ibn Qarhab puede ser interpretada como una búsqueda informal de legitimidad dictada por alianzas y contingencias; de forma inesperada estas últimas

Ibn Ḥazm on Homosexuality. A case-study of Ẓāhirī legal Methodology

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Adang, Camilla

2003-06-01

Full Text Available This article discusses the views of the teologian and legal scholar Ibn Ḥazm of Cordoba (d. 456/1064 on homosexuality. Although reference is made to his literary work Ṭawq al-ḥamāma, which is rich in anecdotes on homoerotic attraction, the article focuses on Ibn Ḥazm's multivolume legal tract Kitāb al-Muḥallā, a work written from a Ẓāhirī, or literalist perspective. A step-by-step analysis of Ibn Hazm's legal reasoning on homosexuality, both male (liwāṭ and female (siḥāq is provided, and comparisons with the views of other jurist, especially Mālikis, are made. Unlike his Mālikī contemporaries, Ibn Ḥazm holds that homosexuality is not to be equated with fomication (zinā, which incurs the death penalty. Instead, he advocates a relatively mild punishment of up to ten lashes for homosexual practices, based upon his idiosyncratic interpretation of the revealed sources which is illustrated here. Although Ibn Ḥazm is believed by some modem authors to have had homosexual leanings himself, he categorically condemns sexual contacts between members of the same sex as immoral and sinful, and believes that homosexuals should be reformed.

Este artículo discute las opiniones de Ibn Ḥazm de Córdoba (m. 456/1064 jurista y teólogo, acerca de la homosexualidad. Aunque se hace referencia a su obra literaria Ṭawq al-ḥamāma, rica en anécdotas sobre atracción homoerótica, el artículo se centra en su voluminosa obra legal zahirí Kitāb al-Muḥallā y analiza el razonamiento legal de Ibn Ḥazm sobre la homosexualidad tanto masculina (liwāf como femenina (siḥāq comparándola con la de otros juristas, en particular, malikíes. A diferencia de sus contemporáneos malikíes, Ibn Hazm mantiene que la homosexualidad no debe equipararse a la fornicación (zinā que incurre en la pena de muerte. Por el contrario, aboga por el relativamente suave

Again on Maslama Ibn Qāsim al-Qurṭubī, the Ikhwān al-Ṣafā’ and Ibn Khaldūn: New Evidence from Two Manuscripts of Rutbat al-ḥakīm

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Godefroid de Callataÿ

2017-03-01

Full Text Available As a continuation of previous studies about the reception of Rasā’il Ikhwān al-Ṣafā’ in al-Andalus, this paper argues that it was common among Andalusī scholars of the Middle Ages to credit the astronomer Maslama al-Majrīṭī (d. 395/1004 or shortly thereafter not only with the authorship of Rutbat al-ḥakīm and Ghāyat al-ḥakīm – now both correctly ascribed to Maslama Ibn Qāsim al-Qurṭubī (d. 353/964 – but also with the entire encyclopaedic corpus of the Rasā’il. The first part of this article seeks to explain the series of successive confusions by which these three works came to be identified as forming three steps of a philosophical ladder and how this trilogy then came to be attributed to the scientist al-Majrīṭī. The second part focuses on two biographical notes found on the title pages of two manuscripts of the as-yet-unedited Rutbat al-ḥakīm. In addition to providing supplementary evidence for the spread of this misconception among medieval scholars, these documents also offer valuable and sometimes unique information about the two Maslamas, their respective writings and entourages, as well as the widespread circulation of the Rasā’il across the Peninsula. The edition, translation and commentary of these two biographical notes are here provided for the first time.

A critical edition of Ibn al-Haytham’s on the shape of the eclipse the first experimental study of the camera obscura

CERN Document Server

Raynaud, Dominique

2016-01-01

This book provides the first critical edition of Ibn al-Haytham’s On the Shape of the Eclipse with English translation and commentary, which records the first scientific analysis of the camera obscura. On the Shape of the Eclipse includes pioneering research on the conditions of formation of the image, in a time deemed to be committed to aniconism. It also provides an early attempt to merge the two branches of Ancient optics—the theory of light and theory of vision. What perhaps most strongly characterizes this treatise is the close interaction of a geometric analysis of light and experimental reasoning. Ibn al-Haytham conducted his experiments in a systematic way by varying all that could be changed: the shape and size of the aperture, the focal length of the camera obscura, the distance and shape of the celestial bodies. This way, he achieved a thorough understanding. This work represents a decisive step in both the history of optics and the application of the experimental method that was just as effici...

El proceso de Ibn al-Jaṭīb. Apéndice: Epístola de al-Bunnāhī a Lisān al-dīn

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Calero Secall, M. Isabel

2001-12-01

Full Text Available The trial of Ibn al-Khaṭīb has left its mark on history because of the personality of the accused. Most scholars in the past have thought that his accusation and subsequent trial on religious grounds were no more than excuses intended to bring about his death, as a trial for high treason would, for various reasons, not have been possible. For this he had to be accused of crimes against religion as this was the only sure way of mounting a successful case against him. The accusations analysed here are taken from a variety of sources including Al-Marqaba al- 'ulyā and the works of al-Maqqarī, some of which have not been translated before. We notice procedural irregularities in the course of the trial, but both in Granada and in Fez the focus is on the zindīq who is finally condemned to death.

El proceso de Ibn al- Jaṭīb ha pasado a la historia debido a la personalidad del inculpado. La mayoría de las opiniones coinciden en declarar la acusación y el proceso como un simulacro para conseguir su muerte, pues la acusación de alta traición, por las circunstancias que incidieron en el caso, no iba a conseguir el objetivo propuesto. Por esta razón se buscaron otros motivos con que inculparle y que permitieran perseguirlo y condenarlo en cualquier parte del Islam, por eso estas acusaciones sólo podían responder a delitos de lesa religión. Y se encontraron. Las acusaciones que se analizan en este trabajo figuran en varios textos, en al-Marqaba al-'ulyà y en las obras de al-Maqqarī, algunos de ellos no traducidos hasta ahora. En el desarrollo de las actuaciones se observan irregularidades procesales, pero tanto en Granada como en Fez, la condena se centra en la figura del zindīq cuya sentencia final fue la pena de muerte.

Humor y excentricidad en Ṭabaqāt al-Šu‘arā’ al-muḥdaṯīn de Ibn al-Mu‘tazz

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Garulo, Teresa

2009-12-01

Full Text Available The purpose of this paper is to call attention to this book by Ibn al-Mu‘tazz, sometimes neglected, emphasizing its worth as a literary work and as a source for the study of humour in Arabic literature. Ṭabaqāt al-shu‘arā’ al-muḥdathīn is a very curious repository of biographies of ‘Abbāsid poets, with especial attention to the least known among them, but with personalities that might give occasion to tell a good story about their wit or their folly. So we have, at the same time that we receive information about some very famous poets, a remarkable record full of empathy and humour with tales of madmen, profligate people and rogues and scoundrels boasting of their trades.

Tanto la poesía de Ibn al-Mu‘tazz, como su reflexión teórica sobre el nuevo estilo de poetizar que se inicia con los poetas ‘abbāsíes, han atraído la atención de críticos e investigadores, por la serena armonía de sus versos y la potente visualidad de sus imágenes y metáforas, y, en el caso del Kitāb al-badī‘, por tratarse de la primera obra dedicada a las figuras y tropos que caracterizan la poesía de los poetas postomeyas. Sin embargo, su antología sobre los poetas muḥdaṯūn ha quedado relegada a la posición ancilar de repositorio de nombres de poetas, fundamentalmente menores, de la época ‘abbāsí. En este artículo intento una lectura menos utilitaria de las Ṭabaqāt al-Šu‘arā’ al-muḥdaṯīn para destacar su calidad como obra literaria y, sobre todo, su interés para la historia del humor en la literatura árabe, pues su autor refleja en ella su curiosidad por personajes excéntricos, ridículos o marginales, que sólo se salvan de la condena absoluta por su pasión por la poesía.

Relevance of some of the theories of Ibn Khaldoun in his "Al Muqaddimah" to contemporary medicine. A personal interpretation.

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Al-Khader, Abdulla A

2002-11-01

The subjects in this paper include Ibn Khaldoun's thoughts on writing, and their implications on today's medical writing. This paper discusses why people write, plagiarism, "Original" and "Copied' writings and where history writing goes wrong and how this can be applied to Medical writing today. The paper also discusses the nature of Science and Knowledge as viewed by Ibn Khaldoun, the anatomy of intelligence, types of thought processes, and effects of environment and craftsmanship on intellect. Ibn Khaldoun's definition of the "Medical" profession and its social standing is discussed as well as his emphasis of the importance of exercise, diet and climate on healthy living. Ibn Khaldoun has clear and advanced concepts on education and methodology of education. He emphasizes 3 stages of coaching, and the importance of travel in consolidating and clarifying knowledge attainment. He abhors coercion as a method of educating the young. Developing the interest of the pupil in the art he is studying, is thought by Ibn Khaldoun to be the central theme of good education. Relevance of all this to contemporary medical education is discussed. Ibn Khaldoun has fascinating ahead-of-time views on the influence of peer pressure and what is now known as "Emotional Intelligence" and he rejects the idea that intelligence is ethnically determined. Instead, he emphasizes the environmental, social and craftsmanship influence on human behavior. He stresses that the method of education has a lot to do with the "apparent" intelligence or "stupidity" of pupils.

La «historia de los omeyas de al-Andalus» en los Masālik al-Abṣār

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Molina, Luis

2005-06-01

Full Text Available The Māsilik al-abṣār by Ibn Faḍl Allāh al-'Umarī contains a brief summary of the Umayyad history in al-Andalus. In this article, the textual relationship between this passage and the Muqtabis by Ibn Ḥayyān is analysed. Ibn Ḥayyān's chronicle has proved to be the most important source used by al-'Umarī to compose this chapter.

Los Māsilik al-abṣār de Ibn Faḍl Allāh al-'Umarī incluyen un breve resumen de la Historia de los omeyas de al-Andalus. En este trabajo se analizan las relaciones textuales entre ese pasaje y el Muqtabis de Ibn Ḥayyān, crónica que resulta ser la fuente casi única utilizada por al-'Umarī para redactar ese capítulo.

Ibn Sina : a tribute.

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Mannan, A A S R; Kahvic, M

2010-01-01

Idiopathic Ibn Sina, popularly known in the west as Avicenna;(980-1037 A.D.) was one of the foremost physicians and Islamic philosophers of his time. His chief medical work, Al-Qanun fi'l-tibb (The Canon of Medicine), is considered to be the most comprehensive medical encyclopedia ever written by an Arab physician. The book served as the final authority on medical matters in Europe for several centuries. It described some of the most illuminating medical thoughts that are relevant to modern medicine. In this article, we pay tribute to this great medieval Arab physician by providing a brief overview of his life and works, with special reference to his contribution to the advancement of medical science.

Imām Ibn Khuzaymah and His Manhajin Ṣaḥīḥ (Arabic

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Dr. Sajid Mehmood

2016-01-01

Full Text Available Qur’an and Prophetic traditions (Hadith are the fundamental sources of Islam. Muslims believe that Qur’an is the word of God (Allah. Hadith (Prophet’s Sayings, actions and silent approval and disapproval for something likewise is based on divine revelation. Qur’an affirms also this view: (God says Your Companion (Muhammad has neither gone astray nor has erred. Nor does He speak of (his own desire. It is only a Revelation revealed. Al-Qur’an (53:2-4. Allah Almighty Himself took the responsibility to guard His word (the Qur’an: (He says : verily, we, it is We Who have sent down the Dhikr (i.e. the Qur’an and surely, We will got it (from corruption. (Al-Qur’an:15:9 on the contrary the responsibility to guard the prophetic traditions (Hadith was put on the shoulders on the Muslim Ummah. The scholars of Islam (Ulamas try their utmost to collect and save the Prophetic traditions and guard it from any alteration .To achieve this purpose, they introduced different hadith sciences to distinguished between the true and the fabricated hadith.The authentic Sunnah is contained within the vast body of Hadith literature. Different scholars have compiled the books which contain a large numbers of authentic Ahadith (Ahadith Sahiha, one of them is Imam Ibn e Khuzaima. In this article we will discuss the Imam Ibn e Khuzaima approach towards “Ahadith al Sahiha” in his book “Sahih Ibn e Khuzaima”.

Comparison of Lamiaceae medicinal uses in eastern Morocco and eastern Andalusia and in Ibn al-Baytar's Compendium of Simple Medicaments (13th century CE).

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El-Gharbaoui, Asmae; Benítez, Guillermo; González-Tejero, M Reyes; Molero-Mesa, Joaquín; Merzouki, Abderrahmane

2017-04-18

Transmission of traditional knowledge over time and across culturally and historically related territories is an important topic in ethnopharmacology. Here, we contribute to this knowledge by analysing data on medicinal uses in two neighbouring areas of the Western Mediterranean in relation to a historical text that has been scarcely mentioned in historical studies despite its interest. This paper discusses the sharing of popular knowledge on the medicinal uses of plants between eastern Morocco and eastern Andalusia (Spain), focusing on one of the most useful plant families in the Mediterranean area: Lamiaceae. Moreover, we used the classical work of Ibn al-Baytar (13th century CE) The Compendium of Simple Medicaments and Foods as a basis to contrast the possible link of this information, analysing the influence of this historical text on current popular tradition of medicinal plant use in both territories. For data collection, we performed ethnobotanical field research in the eastern part of Morocco, recording current medicinal uses for the Lamiaceae. In addition, we systematically reviewed the ethnobotanical literature from eastern Andalusia, developing a database. We investigated the possible historical link of the shared uses and included in this database the information from Ibn al-Baytar's Compendium. To compare the similarity and diversity of the data, we used Jaccard's similarity index. Our field work provided ethnobotanical information for 14 Lamiaceae species with 95 medicinal uses, serving to treat 13 different pathological groups. Of the total uses recorded in Morocco, 30.5% were shared by eastern Andalusia and found in Ibn al-Baytar's work. There was a higher similarity when comparing current uses of the geographically close territories of eastern Morocco and eastern Andalucía (64%) than for eastern Morocco and this historical text (43%). On the other hand, coincidences between current uses in eastern Andalusia and the ones related in the Compendium

Viajes del andalusí Ibn Ŷubayr al Oriente

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Maíllo Salgado, Felipe

2005-04-01

Full Text Available La Rihla o relación de viaje del andalusí Ibn Ŷubayr es la obra maestra de ese género en las letras árabes. Nadie ha transmitido un cuadro tan vivo y acabado de los principales centros del oriente árabe, ni ha dejado descripciones más precisas de los lugares visitados, ni ha evocado de modo tan personal los hechos y los gestos de los hombres. Es también documento esencial para la arqueología islámica, pues tiene especial cuidado en describir y situar los principales monumentos de las ciudades, adobado todo con datos de tipo geográfico, histórico, etnológico, folclórico...; nada importante escapa a su mirada.…

Ibn Rushd, Abu'l Waleed Muhammad Ibn Ahmad Ibn Muhammad [known as Averroes] (1128-98)

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Murdin, P.

2000-11-01

Islamic philosopher, lawyer, physician and astronomer, born in Cordoba, Spain, became physician to the Caliph of Morocco. Ibn Rushd's controversial views on philosophy—he was the greatest Islamic proponent of ARISTOTLE—led to the burning of his books and banishment by the Caliph. He wrote numerous books (87 survive) dealing with philosophy, logic, medicine, jurisprudence and astronomy, which ...

Argumen Eksistensi Tuhan Dalam Metafisika Ibn Rusyd Dan St. Thomas Aquinas

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Wardani Wardani

2015-06-01

Full Text Available Abstract : To establish an argumentation for the existence of God is properly the most crucial as well as complicated effort in the life of religion and faith of human being. There are various approaches and methods have been applicated to reach it by theologians, thinkers, and scientists, including philosophers with their demonstrative-philosophical method. Some arguments which were initiated by Aristotle are ones of the most popular and have been adopted and improved as well by many thinkers and philosophers after him, some arguments which proposed by Ibn Rusyd and St. Thomas Aquinas with some modifications and improvisations are the best examples of it. In the case of elaboration and analysis toward those arguments for the existence of God, this article attempts to compare between metaphysical thought of Ibn Rushd (well-known in the West as Averroës and St. Thomas Aquinas. There is no doubt that both are Aristotelian in their philosophy. Therefore, to seek the similarities and differences, and to analyze the influence of Aristotle on their modes of thought, especially in argumentation for the existence of God, are an urgent point in the way to find more stronger and relevant arguments.Keywords: argument of creation (dalīl al-ikhtirā`, teleological argument (dalīl al-‘ināyah, unmoved mover, prime cause, influence, parallelism.Abstrak : Menggagas argumentasi tentang eksistensi Tuhan sejatinya merupakan upaya yang paling krusial sekaligus pelik dalam kehidupan beragama dan kepercayaan umat manusia. Berbagai pendekatan dan metode telah ditempuh untuk meraihnya oleh para teolog, pemikir, dan ilmuwan, termasuk para filsuf dengan pendekatan dan metode demonstratif-filosofisnya. Argumen-argumen yang diprakarsai oleh Aristoteles adalah diantara yang paling populer dan telah diadopsi serta dikembangkan oleh para pemikir dan filsuf setelahnya, tak terkecuali argumen-argumen yang Ibn Rusyd dan St. Thomas Aquinas kemukakan dengan segenap modifikasi

Structure study of the tri-continuous mesoporous silica IBN-9 by electron crystallography

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Zhang, Daliang

2011-12-01

High resolution electron microscopy (HRTEM) has unique advantages for structural determination of nano-sized porous materials compared to X-ray diffraction, because it provides the important structure factor phase information which is lost in diffraction. Here we demonstrate the structure determination of the first tri-continuous mesoporous silica IBN-9 by electron crystallography. IBN-9 has a hexagonal unit cell with the space group P6 3/mcm and a = 88.4 , c = 84.3 . HRTEM images taken along three main directions, [0 0 1], [11̄0] and [1 0 0] were combined to reconstruct the 3D electrostatic potential map, from which the tri-continuous pore structure of IBN-9 was discovered. The different steps of structure determination of unknown mesoporous structures by electron crystallography are described in details. Similar procedures can also be applied for structure determination of other porous and nonporous crystalline materials. © 2011 Elsevier Inc. All rights reserved.

Isthilâh Al-Insân fi Sûrah al-Isrâ’ ’Inda Ibn ‘Asyur fi Kitâb At-Tahrîr Wa At-Tanwîr

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Ahmad Fadly Rahman

2018-03-01

Full Text Available Many of the scientists and scholars who examine and explore the human as a unity from all sides. Some scientists pay attention to the scientific side and the others examined in terms of the language contained in the Qur'an. The famous exegetes with the language method he uses in interpreting the word in the Qur'an is Imam At-Thahir Ibn Aysur who wrote the phenomenal exegetical book in his linguistic explanation called "at-Tahrir wa at-Tanwir". According to Ibn 'Asyur term of human in the Surah Al-Isra' is; The term of “bani adam” refers to the glory of man among other, The term of “insan” shows the negative side of the human being, The term of “ins” indicates a conformity with the word jinn in the general sense, The term of “nâs” denotes man's unconventionality regardless of believer and kafir, and the term of “basyar” shows social personality that facilitates human in the process of socializing.

From Kitāb al-ḥadā’iq to Kitāb al-dawā’ir: Reconsidering Ibn al-Sīd al-Batalyawsī’s Philosophical Treatise

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Eliyahu, Ayala

2015-06-01

Full Text Available The philosophical treatise known as Kitāb al-ḥadā’iq is generally ascribed to the 12th century Andalusian author Ibn al-Sīd al-Batalyawsī, although this attribution is sometimes contested. This paper offers a new interpretation of the title, textual history, authorship, sources, and literary genre of this treatise, on the basis of new textual evidence, a reexamination of known evidence, and a comparison between the treatise and Batalyawsī’s works. The conclusions of this study are first, that Kitāb al-ḥadā’iq was not the treatise’s original title, and therefore it should be renamed Kitāb al-dawā’ir; second, that Kitāb al-dawā’ir was originally part of (one of the versions of Batalyawsī’s Kitāb al-masā’il; and third, that the textual and stylistic similarities between this treatise and Batalyawsī’s other works prove the authenticity of the treatise’s attribution to Batalyawsī. In addition, new findings regarding Batalyawsī’s use of formulas from the Rasā’il Ikhwān al-Safā, in Kitāb al-dawā’ir and Kitāb al-masā’il provide further evidence for the deep impact of the Ikhwān on Batalyawsī’s thought, as well as for the close connection between Kitāb al-dawā’ir and Kitāb al-masā’il. This connection is further highlighted according to the attribution of both treatises to the genre of questions and answers in Arabic literature. The evidence gathered in this paper supports the claim that Batalyawsī’s Kitāb al-dawā’ir should be seen as an integral part of his literary oeuvre, as well as of Andalusian philosophical literature in general.Generalmente el tratado filosófico conocido como Kitāb al-ḥadā’iq se asocia al autor andalusí del siglo XII Ibn al-Sid al-Batalyawsī, aunque esta atribución ha sido discutida en ocasiones. Este artículo ofrece una nueva interpretación del título, la historia del texto, la autoría, las fuentes e incluso del género literario al que se

IBN SINA AND THE ROOTS OF THE SEVEN DOCTRINES OF PRESERVATION OF HEALTH.

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Khan, Murad Ahmad; Raza, Fauzia; Khan, Iqbal Akhtar

2015-01-01

Ibn Sina, the most eminent Muslim physician, illuminative philosopher, great thinker and a versatile genius is regarded as the "Father of Early Modern Medicine" and as the "Father of Clinical Pharmacology". The "Kitab al-Qanun fi-al-Tibb", commonly known as the "Canon Medicinae" is the most important of his medical works and, at the same time, the most carefully preserved treasury both in original Arabic and in the initial Latin version. It is the final codification of all Greco-Arabic medical thoughts up to his time, enriched and modified with his own scientific experimentations and independent observations. It is considered "The First Textbook of Medicine on the Earth". The "Canon" surpassed the books of Hippocrates and Galen and remained supreme for more than six centuries, in the West. Ibn Sina described "Seven Doctrines" for Preservation of Health, based on the Mudawa Salookia, in his magnum opus. The roots of these principles can be traced, to a significant extent, to Egyptian Medicine, Hebrew Medicine, Greek Medicine, Roman Medicine, Traditional Chinese Medicine, Ancient Persian Medicine, Ayurvedic Medicine (Hindu Medicine) and Islamic Medicine.

Divine Emanation As Cosmic Origin: Ibn Sînâ and His Critics

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Syamsuddin Arif

2012-11-01

Full Text Available The question of cosmic beginning has always attracted considerable attention from serious thinkers past and present. Among many contesting theories that have emerged, that of emanation was appropriated by Muslim philosophers like Ibn Sînâ in order to reconcile the Aristotelian doctrine of the eternity of matter with the teaching of al-Qur’ân on the One Creator-God. According to this theory, the universe, which comprises a multitude of  entities, is generated from a transcendent Being, the One, that is unitary, through the medium of  a hierarchy of  immaterial substances. While the ultimate source is undiminished, the beings which are emanated are progressively less perfect as they are further removed from the first principle. The process is conceived as being atemporal and often compared to the efflux of light from a luminous body, or to water flowing from a spring. This metaphysical theory has enabled Ibn Sînâ to solve the vexed problem: given an eternally existing world and one eternally existing God, how can the two necessarily co-exist without having the perfect, simple unity of God destroyed by contact with the multiplicity of material things? The following essay delineates and evaluates both Ibn Sînâ’s arguments as well as the counter-arguments of  his critics.

Ibn Khaldūn’s Social Thought on Bedouin and Ḥaḍar

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Moh. Pribadi

2014-12-01

[Melalui kerangka teori sosiologi modern serta metode penafsiran teks secara historis-sosiologis, penelitian ini berusaha untuk menjelaskan pemikiran sosial Ibn Khaldun tentang masyarakat badui dan ḥaḍar. Ide Ibnu Khaldun tentang masyarakat dapat dilihat pada konsepnya mengenai dua masyarakat ini beserta solidaritas sosial mereka, dengan karakteristik masing-masing. Masyarakat nomaden yang identik dengan masyarakat badui memiliki struktur sosial dan spesifisitas dengan kecenderungan pada kebajikan, ramah, dan keseragaman; sementara masyarakat ḥaḍar memiliki struktur dan kekhasan sosial seperti pluralis, pragmatis, dan hedonis. Dalam hal gaya hidup, masyarakat badui tampak lebih dinamis daripada ḥaḍar. Cara hidup masyarakat badui ditandai dengan terus berpindah dari satu tempat ke tempat lain, dan ini membuat komunitas ini cerdas dalam merumuskan visi, misi, program, dan sasaran yang ingin dicapai dalam hidup. Spesifisitas badui tercermin dalam kesiap-siagaan mereka, satu hal yang tidak terlihat dalam komunitas ḥaḍar. Sementara itu, dengan kemakmuranya, orang ḥaḍar sibuk dengan aktivitas perkotaan dan pembangunan masyarakat sipil. Ibn Khaldun telah berusaha untuk memahami manusia dan keberadaannya secara individu ataupun sosial melalui ‘ilm al-‘umrān. Metodologi sosialnya mencerminkan pandangannya secara keseluruhan melalui pengamatan realitas sosial secara komprehensif. Penulis berpendapat bahwa metodologi sosial Ibn Khaldun yang menggabungkan data dan fakta sosial dengan agama bisa menjadi referensi dan contoh pendekatan yang komprehensif. Ide penting Ibnu Khaldun lainnya adalah tentang perkembangan kecerdasan masyarakat yang meliputi tiga tahap: tamyīzī, tajrībī, dan naẓārī.

Orígenes y evolución del lenguaje según el gramático y exegeta caraíta Abū l-Farağ Hārūn ibn al-Farağ

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Gallego, María Ángeles

2003-06-01

Full Text Available Abū l-Farağ Hārūn ibn al-Farağ is to be considered the main representative of the Karaite grammatical school that evolved in Palestine in the tenth and eleventh centuries CE. However, little is known of the contents of his works given the lack of complete editions of any of his grammatical treatises. Taking advantage of the fact that the first complete edition of one of his major works, al-Kitāb al-Kāfī (The Sufficient Book has been finished and is about to come out, I present in this article a selection and summary of his ideas with regard to the origin and evolution of language, as it appears in this treatise. Its study reveals in a meaningful way the racionalist approach that caracterised the Karaite movement.

Abū l-Farağ Hārūn ibn al-Farağ es el máximo representante de la escuela gramatical caraíta que se desarrolló en Palestina entre los siglos X y XI. Los contenidos de sus obras, sin embargo, son poco conocidos por la falta de ediciones completas de sus tratados gramaticales. Aprovechando la finalización y próxima publicación de la primera edición completa de una de sus obras mayores, al-Kitāb al-Kāfī (= Libro Suficiente, presento en este artículo una selección y resumen de sus ideas en torno al origen y desarrollo del lenguaje según aparecen en este tratado. Su estudio revela de forma significativa el análisis racionalista que caracterizó al movimiento caraíta.

MANUSIA DAN PENDIDIKAN MENURUT PEMIKIRAN IBN KHALDUN DAN JOHN DEWEY

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T. Saiful Akbar

2015-02-01

Full Text Available This study aims to understand the concept of human and Ibn Khaldun's ideas of education; to understand the concept of human and educational thought of John Dewey; to know the similarities and differences between the ideas of Ibn Khaldun and John Dewey on the concept of human and education. Various problems have been addressed through the library research method. The study produced several findings: First, human beings according to Ibn Khaldun as a creation of God with all the potential fitted to the five senses and intellect become intellect. The purpose of education opens the mind and maturity of the individual to the advancement of religious, industrial and social system. Material teaching is as educational planning. The method is to advocate phasing method, repetition, widya-tours and training (practice. Secondly, according to John Dewey man is a subject that has the ability, strength, personality, and existence who are capable of changing realities. The goal of education is only to gain happiness in the world life. The method of education is including problem solving, learning by doing and discipline. Third, the thought of Ibn Khaldun is much more religious because it is influenced by its control logic in religious knowledge, so that emphazises more on human spirituality in building civilization. While John Dewey is more radical and extreme, He proposed progressive education which strives against traditional teaching authority. Both Ibn Khaldūn dan Dewey are arise from inhuman socio-cultural environment and recognize the existence of human existence with nature and humanity impulse.

STATUS HUKUM PEREMPUAN MENURUT IBN ḤĀZM DAN KEDUDUKANNYA DALAM KOMPILASI HUKUM ISLAM (KHI

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M. Khoirul Hadi al-Asy’ari

2015-10-01

Full Text Available This study based on library research that discusses the legal status of women in the view of Ibn Ḥāzm. This study intends to answer three important questions; first, how the circumstances of the biography of Ibn Ḥāzm and socio-historical culture that surrounds his life; second, how the thought of Ibn Ḥāzm about the legal status of women; third, is there any thought of Ibn Ḥāzm relevance to the concept of gender in islamic law compilation (KHI. This research is expected to contribute at least in three points of view; first, examine the biography of Ibn Ḥāzm and educational history and culture surrounding his social life; second, describe Ibn Ḥāzm’s modern thinking with regard to the legal status of women; and third, discover the extent of the relevance of his thinking on gender discourse in KHI. Using istiṣḥāb, Ibn Hazm concludes that women and men have the same high legal status. This thought even beyond the perspective of gender, human rights, multiculturalism, pluralism and democracy that are still not familiar with Indonesian ulama’. This is among the arguments that claimed as the reason for the failure of the initiative of KHI Counter Legal Drafting (CLD.

Information of “Nukhbat al-dahr fi ‘aja’ib al-barr wa-al-bahr” by ad-Dimashqi about the Turkic Tribes of Dasht-i Kipchak »

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Z.S. Ilyasova

2016-12-01

Full Text Available This article introduced into academic circulation information of such a historical source as “Nukhbat al-dahr fi ‘aja’ib al-barr wa-al-bahr” (Excerpts of Time on the Marvels of the Land and Sea on Kipchak clans and Turkic tribes of Dasht-i Kipchak. The material of the study is drawn from this source. Main scientific result of this work was the source’s translation into Russian accompanied by scientific comments. Sheikh Shams al-Din Abu Abdallah Muhammad Abu Talib al-Ansari al-Sufi al-Dimashqi was the author of this work. Some scholars have mistakenly confuse him with another chronicler named Shihab al-Din Ahmad ibn Yahya Ibn Fadlallah al-Omari al-Dimashqi. There is a widespread misconception that while writing on Kipchak clans and Turkic tribes al-Dimashqi used the data of such an author as Muhammad ibn Ibrahim ibn Yahya al-Ansari al-Qutub al-Warraq al-Vatvat, also known as Ahmad al-Tini. After had studying the manuscripts of al-Tini and al-Dimashqi, we did not notice the connection between these two authors regarding their information about Kipchak clans and Turkic tribes of Dasht-i Kipchak. After had studying the information about Kipchak clans and Turkic tribes of Dasht-i Kipchak, we put forward the theory that 16 ethnonyms previously identified as Kipchak clans, are actually the etnonyms of eight Kipchak clans and eight Turkic tribes. The article also contains the extraction from “Nukhbat al-dahr fi ‘aja’ib al-barr wa-al-bahr” regarding the geography of Dasht-i Kipchak and the countries inhabited by the Turks. The following data are unique in this source: 1. The text describes such rivers as Ceyhun (Amu Darya, Seyhun (Syr Darya, Itil (Volga, as well as Khorezm and Khazar Seas (Aral and Caspian Seas. 2. Additionally, this text lists the following Turkic peoples: al-Kharlukhiya (Karluks, al-Khirgaziya (Kyrgyz, al-Kaymakiya (Kimaks, al-Guzziya (Oguz, al-Bazhanakiya (Pechenegs, al-Tuguzguziya (Uighurs, al-Khulkhiya (?, al

Islām al-kāfir fī ḥāl al-khuṭba: concerning the conversion of “infidels” to Islam during the Muslim Friday sermon in Mamluk Egypt

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Jones, Linda G.

2012-06-01

Full Text Available Ibn al-Ḥājj al-‘Abdarī a Maliki jurist in Mamluk Cairo, denounced a religious “innovation” (bid‘a that had apparently become current in fourteenthcentury Egypt: “Infidels” would interrupt the Muslim Friday sermon in order to profess or reiterate their conversion to Islam before the entire congregation. Ibn al-Ḥājj urged preachers not to tolerate such interruptions under any circumstances, a posture that seems at odd with Mamluk policy of inducing such conversions especially among the Coptic community. The Maliki jurist’s legal arguments furnish new insights into the hitherto unexplored role of the Friday liturgical sermon in the conversion to Islam. This article will explain the legal basis of Ibn al-Ḥājj’s opposition to this practice, propose some explanations for the motivations behind the would-be convert’s interruption of the sermon, and relate this phenomenon to the historical context of tense Muslim-Christian relations in fourteenth-century Mamluk Egypt.

Ibn al-Ḥaŷŷ al-‘Abdarī, un jurista malikí en el Cairo mameluco, denunció una “innovación religiosa” (bid‘a que se extendió en el Egipto del siglo XIV. Los “infieles” interrumpían el sermón del viernes, aparentemente, para proclamar o reiterar su conversión al Islam ante la congregación. Ibn al-Ḥaŷŷ instó a los predicadores a no tolerar dichas interrupciones bajo ninguna circunstancia –postura que parece contradecir a la política impuesta por los mamelucos de forzar la conversión de los infieles, sobre todo de los procedentes de la comunidad copta. Los argumentos legales de Ibn al-Ḥaŷŷ arrojan nueva luz sobre el papel, hasta entonces ignorado por los estudiosos, del sermón del viernes en la conversión al islam. El artículo analiza las bases jurídicas de la oposición manifestada por Ibn al-Ḥaŷŷ hacia esta práctica, explica los posibles motivos que indujeron a los conversos a interrumpir el serm

A Mathematician Hussein Ryfky Tamani ibn Muhammad ibn Kyrym Ghazi »

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M.A. Useinov

2015-09-01

Full Text Available In this article an attempt is made to open up and make the analysis of the creative work of one of the outstanding scholar-mathematician in the Ottoman Empire at the end of the 18th – beginning of the 19th centuries whose origin was from the Crimean Khanate – Hussein Ryfky Tamani ibn Muhammad ibn Kyrym Ghazi. At the beginning of the 19th century, during 11 years, the scholar was a leader (bashkhoja of the Ground forces military-engineering school (Muhendishane-i berry-i Humayun in Istanbul. The article provides a review of translations made by Hussein Ryfky into the Ottoman language of European scientists’ works, as well as of his own research works on Geometry, Engineering and Military science, Astronomy, Geography, and other disciplines. The author also presents the textbooks having for centuries become the basic textbooks in the Ottoman Empire for learning exact sciences in the military educational institutions. The author provides the analysis of the pedagogical and public activity of the scientist during the period of reforms Nizam-i-Jedid, as well as the short description of his activities during the student years. Hussein Ryfky Tamani made a synthesis of Western and Ottoman approaches to the science. His works became the corner-stone in the foundation of Ottoman Mathematical science at the beginning of the 19th century.

Imam et Mahdi : Ibn Abî Mahallî

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Mercedes García-Arenal

2009-05-01

Full Text Available Ibn Abî Mahallî (m. 1613 est le dernier mahdi maghrébin à avoir pris le pouvoir. Je fais usage dans cet article, de trois types de sources : les œuvres d'Ibn Abî Mahallî lui-même, les sources arabes contemporaines et postérieures, soutenant toujours le pouvoir dynastique régnant et, troisièmement, les documents d'archive européens écrits par des observateurs et des voyageurs contemporains. Cette variété de sources permet de tracer le spectre qui va depuis les attentes et les croyances populaires des adeptes, jusqu'à la personne et à l'élaboration doctrinale d'Ibn Abî Mahallî. J'ai donc tenté de percevoir quelles parties ou aspects d'une pensée individuelle arrivent à acquérir, et de quelle manière, une légitimité publique, en se transformant en même temps.

The roots and constructs of Ibn Khaldūn’s critical thinking

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Salah Machouche

2015-12-01

Full Text Available Many current researches have sought to explore the thought and contributions of Ibn Khaldūn to the various disciplines of human knowledge including philosophy of history, historiography, politics, economics, and education. Little interest, however, is given to his contributions to the theory of critical thinking. This research investigates Ibn Khaldūn’s perspective on critical thinking and critique of intellectual disciplines while exploring its origin and dimensions. The research shows that Ibn Khaldūn’s critical thinking is essentially entrenched in the fundamental vision and origins of Islam, and reflective of the broad Islamic scholarship and the practices of Muslim scholars across the different religious and rational disciplines. What characterises Ibn Khaldūn’s contribution to the field of critical thinking is his ability to apply it across various fields of scholarship yet with a conscious attention to society’s dynamics, particularly the practical dimensions and implications of his theory of human society (‘umrān basharī.

Thinking about change: Ibn Khaldūn´s and his contemporaries Historical analysis and mentalities

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Calasso, Giovanna

2011-06-01

Full Text Available Starting from Ibn Khaldūn´s thoughts as expressed in the Muqaddima on change in history, on the use of analogy and comparison as instruments to make it recognizable and on the imperativeness of historical writing in the face of the great phenomena of change, the article proposes a reflection on this theme in the light of the history of mentalities. Ibn Khaldūn´s theoretical thinking, but also his different attitudes in the face of the on-going transformations in the societies with which he was familiar, are therefore compared with the mental attitudes of some other categories of his contempo-rary scholars, with particular reference to 8th/14th century Egypt. For example, the authors of Kutub al-bidaʻ and pilgrimage guides reacted in different ways towards the changes they perceived in both the religious and non-religious customs of the Moslem society examined in the framework of the mentalities and transformations which marked the historical period in which he lived.

[fr] A partir des idées sur les changements dans l´historie exprimées par Ibn Khaldūn dans Muqaddima à propos de l´usage de l´analogie et la comparaison comme instruments pour les rendre reconnaissables et sur le caractère impératif de l´ecriture historique face au grand phénomène du changement, l´article suivant propose une réflexion sur ce sujet du point de vue de l´historie des mentalites. La pensée theorique d´Ibn Khaldūn, mais aussi ses differentes attitudes vis-á-vis des transformations en cours des societés qu´il connaissait , sont donc comparées aux attitudes mentales sur d´autres catégories d´erutites contemporains. avec una référence particulière a l´Egypte du siècle VIII/XIV. Par exemple, les auteurs de Kutub al-bidaʻ et des guides de pèlerinage réagirent de manière différente à propos des changements qu´ils percevaient dans les habitudes aussi bien religieuses que non religieuses de la soci

vénérolo ogie du CH HU Ibn

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Le service de Dermatologie de l'Hôpital Ibn Sina a été créé en 1969. ... infections virales (n: 13) avec 8 nouveaux cas de SIDA, infections fongiques (n: 10) y compris 8 cas ... L'histoire et la renommée de l'hôpital Ibn Sina font de cet établissement, à côté des ... Les maladies de système sont dominées par le lupus qui est.

Type Ibn Supernovae Show Photometric Homogeneity and Spectral Diversity at Maximum Light

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Hosseinzadeh, Griffin; Arcavi, Iair; McCully, Curtis; Howell, D. Andrew [Las Cumbres Observatory, 6740 Cortona Dr Ste 102, Goleta, CA 93117-5575 (United States); Valenti, Stefano [Department of Physics, University of California, 1 Shields Ave, Davis, CA 95616-5270 (United States); Johansson, Joel [Department of Particle Physics and Astrophysics, Weizmann Institute of Science, 76100 Rehovot (Israel); Sollerman, Jesper; Fremling, Christoffer; Karamehmetoglu, Emir [Oskar Klein Centre, Department of Astronomy, Stockholm University, Albanova University Centre, SE-106 91 Stockholm (Sweden); Pastorello, Andrea; Benetti, Stefano; Elias-Rosa, Nancy [INAF-Osservatorio Astronomico di Padova, Vicolo dell’Osservatorio 5, I-35122 Padova (Italy); Cao, Yi; Duggan, Gina; Horesh, Assaf [Cahill Center for Astronomy and Astrophysics, California Institute of Technology, Mail Code 249-17, Pasadena, CA 91125 (United States); Cenko, S. Bradley [Astrophysics Science Division, NASA Goddard Space Flight Center, Mail Code 661, Greenbelt, MD 20771 (United States); Clubb, Kelsey I.; Filippenko, Alexei V. [Department of Astronomy, University of California, Berkeley, CA 94720-3411 (United States); Corsi, Alessandra [Department of Physics, Texas Tech University, Box 41051, Lubbock, TX 79409-1051 (United States); Fox, Ori D., E-mail: griffin@lco.global [Space Telescope Science Institute, 3700 San Martin Dr, Baltimore, MD 21218 (United States); and others

2017-02-20

Type Ibn supernovae (SNe) are a small yet intriguing class of explosions whose spectra are characterized by low-velocity helium emission lines with little to no evidence for hydrogen. The prevailing theory has been that these are the core-collapse explosions of very massive stars embedded in helium-rich circumstellar material (CSM). We report optical observations of six new SNe Ibn: PTF11rfh, PTF12ldy, iPTF14aki, iPTF15ul, SN 2015G, and iPTF15akq. This brings the sample size of such objects in the literature to 22. We also report new data, including a near-infrared spectrum, on the Type Ibn SN 2015U. In order to characterize the class as a whole, we analyze the photometric and spectroscopic properties of the full Type Ibn sample. We find that, despite the expectation that CSM interaction would generate a heterogeneous set of light curves, as seen in SNe IIn, most Type Ibn light curves are quite similar in shape, declining at rates around 0.1 mag day{sup −1} during the first month after maximum light, with a few significant exceptions. Early spectra of SNe Ibn come in at least two varieties, one that shows narrow P Cygni lines and another dominated by broader emission lines, both around maximum light, which may be an indication of differences in the state of the progenitor system at the time of explosion. Alternatively, the spectral diversity could arise from viewing-angle effects or merely from a lack of early spectroscopic coverage. Together, the relative light curve homogeneity and narrow spectral features suggest that the CSM consists of a spatially confined shell of helium surrounded by a less dense extended wind.

The Epistemology Of Heart-Mind In The Spiritual Teachings Of Muhyiddin Ibn ‘Arabi

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Nikos Yiangou

2012-06-01

Full Text Available Abstrak : Ibn ‘Arabi menawarkan kerangka pikir yang unik dalam menjelaskan struktur ilmu. Epistemologinya bersandar pada prinsip kesatuan wujud, dan bahwa semua pengetahuan adalah berasal dari Wujud yang dimiliki oleh Wujud melalui penampakan Dirinya. Manusia merupakan cermin dari penampakan Diri tersebut, yang di dalamnya terdapat satu fakultas sebagai pusat pengalaman manusia, yaitu hati (qalb. Melalui interaksi dengan pikiran, refleksi dan imajinasi, Ibn ‘Arabi menawarkan model epistemologi yang kokoh yang menjelaskan kerja pikiran dalam menciptakan keyakinan terhadap Tuhan. Ia (The Real hadir dalam tataran potensi tertinggi manusia, sebagaimana Ia hadir setiap saat dalam hati, pada kondisi yang disebut sebagai maqam yang tak bermaqam. Jika pendekatan post-modern sangat menekankan epistemologi yang memperkuat status multiplisitas ontologis mereka, ada paradigma yang berkembang yang mengusung visi kemanusiaan yang utuh melibatkan kesatuan tubuh, pikiran dan ruh. Epistemolgi Ibn ‘Arabi lah yang sanggup mewakili perkembangan ini dan merumuskan struktur yang abadi dan proses yang mencakup kecakapan manusia untuk sadar dan merasakan.Kata kunci : Kehadiran, Hati, Kesatuan wujud Abstract : Ibn ‘Arabi offers a unique framework for explaining the structures of knowledge. His epistemology is referenced within the Oneness of Being (wahdāt al-wujūd, and all knowledge is ultimately the knowledge that the Being has of Itself through Its own self-disclosure. The human form mirrors this self-disclosure, and within this form he situates the center of the human experience in the faculty of the heart (qalb. Through interactions with the faculties of mind, reflection and imagination, he provides a robust model for an epistemology that explains the workings of mind and the creation of the many beliefs about God. He intimates at the highest human potential which is the immediate perception of the Real as It appears to the heart in every moment, a

L'héritage spirituel d'Ibn Arabi

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Abd as Sabour Turrini

2005-12-01

Full Text Available Shaykh Muhieddin Ibn Arabi reçut une éducation religieuse tant par ses oncles, qui embrassèrent la voie initiatique que par les maîtres spirituels qui lui autorisèrent et le dirigèrent ainsi dans cette retraite spirituelle, "khalwa", qui lui permit le dévoilement de la connaissance divine. Le comportement spirituel acquis par Ibn Arabi, à travers les enseignements des maîtres, peut être synthétisé dans la présence spirituelle scrupuleuse, dans la sollicitude, dans l’abandon confiant en Dieu et dans la pleine conscience que Dieu se révèle à tout instant.

Management of stroke as described by Ibn Sina (Avicenna) in the Canon of Medicine.

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Zargaran, Arman; Zarshenas, Mohammad M; Karimi, Aliasghar; Yarmohammadi, Hassan; Borhani-Haghighi, Afshin

2013-11-15

Stroke or cerebrovascular accident (CVA) is caused by a disturbance of the blood supply to the brain and an accruing loss of brain function. The first recorded observations were in 2455 BC and it has been studied intensely by ancient physicians throughout history. In the early medieval period, Ibn Sina (980-1025 AD) called stroke sekteh and described it extensively. Some of Ibn Sina's definitions and his etiology of stroke are based on humoral theories and cannot be compared with medical current concepts, but most of his descriptions concur with current definitions. This review examines the definition and etiology, clinical manifestations, prognosis, differential diagnosis, and interventions for stroke based on Ibn Sina's epic work, Canon of Medicine. The pharmacological effects of medicinal herbs suggested by Ibn Sina for stroke are examined in light of current knowledge. © 2013.

La creación del mundo supralunar según Abraham Ibn Ezra: un estudio comparativo de sus dos comentarios a Génesis 1,14

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Sela, Shlomo

2003-06-01

Full Text Available This article aims at elucidating Abraham Ibn Ezra's (ca. 1089 - ca. 1167 opinion about the creation of the supra-lunar world. A major and striking feature of Ibn Ezra's approach is that he did not find it convenient to address this issue, intimately related to the nature of the celestial bodies, in his astronomical or astrological treatises, but rather in his biblical commentaries. Therefore, we propose to concentrate our efforts on the meticulous study of the two commentaries which Ibn Ezra wrote on Genesis 1,14. As this verse focuses on the account of the creation of the heavenly bodies, we have assumed that the elusive Ibn Ezra could not have avoided revealing his view, or, at least, that we should have left some significant hints from which we may uncover his genuine opinion about the creation of the supra-lunar world.

El propósito de este artículo es averiguar la opinión de Abraham Ibn Ezra (ca. 1089 - ca. 1167 sobre lo relacionado con la creación del mundo supralunar. Una característica fundamental dei modus operandi de Ibn Ezra es que, si buscamos información acerca de su opinión sobre la creación del mundo, tanto sublunar como supralunar, no la hallaremos en sus tratados científicos astronómicos o astrológicos, sino precisamente en sus comentarios bíblicos. Por lo tanto, la metodología más adecuada consistirá en concentrar nuestros esfuerzos en el estudio meticuloso de sus dos comentarios a Génesis 1,14. Dado que este verso bíblico tiene como objetivo principal el relato y la descripción de la creación de las luminarias, pensamos que en ambos comentarios Ibn Ezra no pudo haber eludido dar su verdadera opinión -o al menos dejar alguna pista significativa- sobre la creación del mundo supralunar.

Knowledge Theory in Ibn Rushd Literature and Reflection Thereof on Its Educational Philosophy

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Al-Rsa'i, Mohammed

2018-01-01

This study aims to examine Ibn Rushd perceptions in terms of Knowledge and reflection thereof on his educational philosophy. This study reached at a conclusion that Ibn Rushd partaking had its important role in framing the Knowledge theory and maintain it away from deviations and in the same time originated much jurisprudences starting from…

‘Aṣabiyyah, Religion and Regime Types: Re-reading Ibn Khaldūn

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Wahabuddin Ra’ees

2004-12-01

Full Text Available Ibn Khaldūn found a “causal determinative analytical tool” to explain development, progression and disintegration of ‘umrān (lit. culture. He argued that ‘umrān comes into existence as a result of five types of causes: (1 the “ultimate or first cause,” (2 final cause, (3 efficient cause, (4 formal cause, and (5 material cause. However, in Ibn Khaldūn’s scheme of analysis, the efficient cause of ‘umrān and political institutions consists of two factors: (1 ‘aṣabiyyah and (2 religion. Ibn Khaldūn believed that a meaningful investigation of the relationship between religion, ‘aṣabiyyah and ‘umrān is possible if investigation is narrowed down to the study of human nature. Hence, according to Ibn Khaldūn, what is true of human nature is also true of ‘umrān. Stated differently, the rules applicable to human nature are applicable to ‘umrān and political institutions.

Who persists in his glances makes his affliction last. Ontology on Love in Islam through Ibn Dâwűd of Ispahan’s Kitâb al-Zahra

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Jorge Pascual Asensi

2009-10-01

Full Text Available The aim of this paper is to bring into light the translation and commentary of the first chapter of Ibn Dâwűd of Ispahan’s (d. 909 Kitâb al-Zahra, a lyrical collection and speculation about the concept of love in Bagdadian Neoplatonic thought. This text is an adaptation of Aristotelian and Platonic theories on love to the Islamic tradition, which is based on the Arab poetic tradition and the moral precepts attributed to Muhammad. It deals –from an ontological perspective– with the contemplation of beauty as an object of sensual affection, which is the origin of the ailment of love.

« Comment se comporter avec un roi chrétien » : l’ouvrage perdu d’Abū l-Ḥasan ʿAlī Ibn al-Qaṭṭān et les enjeux du cérémonial almohade

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Mehdi Ghouirgate

2014-05-01

Full Text Available Cet article propose de revenir sur un document aussi exceptionnel que méconnu. Il s’agit du résumé d’un ouvrage (maqāla, aujourd’hui perdu, intitulé « Comment se comporter avec un roi chrétien », et que l’on trouve dans le dictionnaire bio-bibliographique d’Ibn ʿAbd al-Malik. Cette maqāla fut rédigée, par un homme de lettres au service des Almohades, Abū l-Ḥasan ʿAlī Ibn al-Qaṭṭān (m. 1231. C’est la seule source qui ait consigné des indications sur la conduite que devait adopter le souverain lors d’une cérémonie, en présence d’un prince étranger. À ce titre, on y trouve des renseignements essentiels sur le cérémonial almohade ainsi que sur les dilemmes que devaient résoudre le calife : d’un point de vue idéologique, il ne pouvait souffrir aucun autre pouvoir, mais l’impossibilité de mener des opérations d’envergure sur deux fronts à la fois l’amena à composer avec le roi du León. De même, c’est le seul document à avoir fait état d’une divergence de point de vue entre le calife et les intellectuels organiques du système, les Ṭalaba. Ce différend met en lumière des tensions latentes au sommet entre divers serviteurs de l’État, qui n’avaient pas la même forme de légitimité, ni tout à fait les mêmes intérêts.

IBN KHALDUN’S THEORY OF TAXATION AND ITS RELEVANCE

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Abdul AZIM ISLAHI

2015-08-01

Full Text Available Ibn Khaldun, the North African versatile genius scholar of fourteenth century produced his famous work ‘al-Muqaddimah’ (the Introduction which is considered as one of the most sublime and intellectual achievements of the Middle Ages. It is a treasury of many sciences like history, psychology, sociology, geography, economics, political sciences,etc. He strongly argued in this book for low tax rate so that incentive to work is not killed and taxes are paid happily. His theory of taxation is an important contribution to economic thought. He is forerunner of the idea that high tax rates shrink the tax base because they reduce the economic activity. He is considered as the forerunner of Laffer’s curve. His ideas are comparable with those of supply-side economics that emphasized incentives and tax cuts as a means of economic growth.

[Epidemiological, clinical, cytologic and immunophenotypic aspects of acute leukemia in children: the experience at the hematology laboratory of IBN SINA University Hospital Center].

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Doumbia, Mariam; Uwingabiye, Jean; Bissan, Aboubacar; Rachid, Razine; Benkirane, Souad; Masrar, Azlarab

2016-01-01

The aim of this study was to describe epidemiological, cytologic and immunophenotypic aspects of acute leukemias (AL) in children diagnosed at IBN SINA University Hospital Center and to determine the concordance between cytology and immunophenotyping results. This is a cross-sectional study conducted in the hematology laboratory of IBN SINA University Hospital Center between June 2012 and May 2014. Among the 104 cases with diagnosed AL, 52% were boys with a sex-ratio H/F= 1.32, the average age was 5.7 years. The distribution of different types of AL was: lymphoid AL (LAL) (74%), myeloid (AML) (20.2%), biphenotypic AL (BAL) (65.8%). Among the LALs, 78% were classified as B LAL and 22% as T LAL. Clinical signs were mainly presented with tumor syndrome (73.1%), fever (61%) and hemorrhagic syndrome (50%). The most common blood count abnormalities were: thrombopenia (89.4%), anemia (86.5%), hyperleukocytosis (79.8%). The rate of peripheral and bone marrow blasts was statistically higher for LAL than for AML and BAL (p <0.001). The rate of relapse and mortality was 21.2% and 16. 3% respectively. Concordance rate between the results of cytology and of immunophenotyping was 92.7% for LAL and 82.6% for AML. Diagnosis of AL is always based primarily on cytology. Immunophenotyping allowed us to make a better distinction between acute leukemias. The management of paediatric AL is a major health problem which requires specialized care centers.

The role of Ibn Sina (Avicenna)'s medical poem in the transmission of medical knowledge to medieval Europe.

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Abdel-Halim, Rabie El-Said

2014-01-01

The Medical Poem ("Al-Urjuzah Fi Al-Tibb") of Ibn Sina (Avicenna, 980-1037), is the subject of this primary-source study evaluating its scientific value, poetics and pedagogical significance as well as assessing its role in the transmission of medical knowledge to Medieval Europe. In addition to one original manuscript and two modern editions, the English translation by Krueger was also studied. Ibn Sina's poem on medicine consisting of meticulously classified 1326 verses, can be considered as a poetic summary of his encyclopedic textbook: The Canon of Medicine; hence its popularity in the East then the West as a tool in the process of transmitting medical knowledge from master to student. Since first translated by Gerard of Cremona (1114-1187) in the middle of the 12(th) century, the Latinized poem was frequently published in Medieval Europe either independently or combined with the Latinized Canon of Medicine or with the Articella; the famous collection of Greco-Roman and Latinized Arabian medical treatises in use in the universities of Salerno, Montpelier, Bologna and Paris up to the 17(th) century. The study of the Krueger's English edition revealed few places where the full meanings of the original Arabic text were not conveyed. A list of those places is given together with the suggested corrections.

«Wa-waṣalnā ‘alā barakat Allāh ilā Īgīlīz»: à propos de la localisation d’Īgīlīz-Des-Harġa, le Ḥiṣn du Mahdī Ibn Tūmart

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Van Staëvel, Jean-Pierre

2006-06-01

Full Text Available L’article se propose d’infirmer la proposition émise par Allen Fromherz dans l’une des dernières livraisons d’Al-Qanṭara d’identifier Īgīlīz-Des-Harġa, lieu de naissance d’Ibn Tūmart et premier foyer de la révolution almohade, avec la localité d’Īglī dans la vallée du Sous. Conjuguant étude de la documentation écrite, rappel historiographique des rares études savantes à avoir été consacrées à ce site méconnu, et premiers éléments d’une enquête de géographie historique et d’archéologie en cours, la présente contribution voudrait montrer : 1.º que la théorie de Fromherz est sous-tendue par des erreurs d’appréciation des matériaux historiques utilisés ; 2.º que le village natal d’Ibn Tūmart se situe non dans la vallée du Sous, mais dans l’Anti-Atlas central, comme l’avaient déjà bien montré en leur temps Huici Miranda et D. Jacques-Meunié ; 3.º que le site d’Īgīlīz-Des-Harġa, dont on avance ici une localisation précise, comprend notamment un lieu fortifié de hauteur qui a servi, lors des premiers affrontements contre les Almoravides, de refuge à Ibn Tūmart et aux membres de sa tribu. Une brève description archéologique des vestiges est enfin donnée de ce site jusqu’à ce jour inédit.

El artículo se propone rebatir la propuesta que planteó Allen Fromherz en uno de los últimos números de Al-Qanṭara, al identificar Īgīlīz-Des-Harġa, lugar de nacimiento de Ibn Tūmart y primer foco de la revolución almohade, con la localidad de Īglī, ubicada en el valle del Sous. Al juntar el estudio de la documentación escrita, la evocación historiográfica de los pocos estudios eruditos dedicados a este yacimiento desconocido, con los primeros elementos de una encuesta de geografía histórica y arqueológica en curso, la presente contribución pretende demostrar : 1.º que la teoría de Fromherz adolece de errores de apreciación de los materiales

Examination of the "Theory of Guidance" in the View of 'Ali Ibn Abi Talib (A): An Exploration into the Nahj Al-Balaghah

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Rostami-Nasab, Abas Ali; Tajedini, Oranus; Sadatmoosavi, Ali

2016-01-01

This study examines the "Theory of Guidance" according to 'Ali ibn Abi Talib (a). This theory is based on three divine covenants or fundamentals in guidance including the divine Prophet, the divine Book, and the divine human nature ("fitrat"). Research in this regard seems essential because this theory has not been previously…

El capítulo sobre el Tasyīr en al-Bāriʻ de Ibn Abī-l-Riŷāl y su traducción alfonsí

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Díaz-Fajardo, Montse

2011-12-01

Full Text Available Tasyīr or “prorogation”, is an astrological procedure with which the astrologer moves, in an imaginary way, an indicator in order to determine the celestial influences. Tasyīr was one of the astrologer’s fundamental tools for the casting of a horoscope. This paper analyzes the information in the chapter on Tasyīr in Ibn Abī l-Rijāl’s (11th century book al-Bāri‘, concerning the methods, the techniques and the resources used. Its study highlights the channels through which science was transmitted and the ways in which the astrologer wrote his work using other sources, and stresses the importance of al-Bāri‘ in introducing new astrological knowledge from the East into the Maghrib and medieval Europe (knowledge that was used until the fifteenth century. The comparison of the chapter with its Castilian translation provides evidence of the procedures used by the translators of Alfonso X.El tasyīr o «prorrogación» es un procedimiento astrológico por el que se hace avanzar de forma imaginaria un indicador para conocer las influencias celestes. El tasyīr fue una de las herramientas fundamentales del astrólogo en el levantamiento de un horóscopo. Este artículo analiza la información que contiene el capítulo “Sobre el tasyīr” de la obra al-Bāri‘ de Ibn Abī-l-Riŷāl (siglo XI: los métodos, las técnicas y los recursos que utilizaba. Su estudio nos muestra las vías por las que la ciencia se transmitía, el modo en el que el astrólogo elaboraba su obra, la importancia del al-Bāri‘ como introductor en el Magreb y en la Europa medieval de fuentes y conocimientos nuevos importados de Oriente y la vigencia de su astrología hasta el siglo XV. El cotejo del capítulo mencionado con su traducción castellana nos da pruebas de la forma de trabajar de los traductores de Alfonso X.

Natural Treatments for Fissure in Ano Used by Traditional Persian Scholars, Razi (Rhazes) and Ibn Sina (Avicenna).

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Derakhshan, Ali Reza

2016-06-08

Most cases of chronic fissure do not respond to medical treatment. Razi and Ibn Sina were 2 of the best-known scientists of ancient Persia. The purpose of this study was to find out new scientific evidence in modern medicine about their recommendations, in order to find certain clues to conduct useful researches in the future. First, treatments of anal fissure mentioned by Razi and Ibn Sina were reviewed. Then, literature search was made in electronic databases including PubMed, Scopus, and Google Scholar. Management of anal fissure according to Razi's and Ibn Sina's practices is done based on 3 interventions: lifestyle modifications, drug treatments, and manual procedures. Almost all remedies suggested by Razi and Ibn Sina have shown their effects on fissure in ano via several mechanisms of action in many in vitro and in vivo studies; Still there is lack of human studies on the subject. © The Author(s) 2016.

The Highly Luminous Type Ibn Supernova ASASSN-14ms

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Vallely, P. J.; Prieto, J. L.; Stanek, K. Z.

2018-01-01

We present photometric and spectroscopic follow-up observations of the highly luminous Type Ibn supernova ASASSN-14ms, which was discovered on UT 2014-12-26.61 at $m_V \\sim 16.5$. With a peak absolute $V$-band magnitude brighter than $-20.5$, a peak bolometric luminosity of $1.7 \\times 10......^{44}$ ergs s$^{-1}$, and a total radiated energy of $2.1 \\times 10^{50}$ ergs, ASASSN-14ms is one of the most luminous Type Ibn supernovae yet discovered. In simple models, the most likely power source for this event is a combination of the radioactive decay of $^{56}$Ni and $^{56}$Co at late times...... and the interaction of supernova ejecta with the progenitor's circumstellar medium at early times, although we cannot rule out the possibility of a magnetar-powered light curve. The presence of a dense circumstellar medium is indicated by the intermediate-width He I features in the spectra. The faint ($m_g \\sim 21...

Controlled synthesis of the tricontinuous mesoporous material IBN-9 and its carbon and platinum derivatives

KAUST Repository

Zhao, Yunfeng

2011-08-23

Controlled synthesis of mesoporous materials with ultracomplicated pore configurations is of great importance for both fundamental research of nanostructures and the development of novel applications. IBN-9, which is the only tricontinuous mesoporous silica with three sets of interpenetrating three-dimensional channel systems, appears to be an excellent model mesophase for such study. The extensive study of synthesis space diagrams proves mesophase transition among the cylindrical MCM-41, tricontinuous IBN-9 and bicontinuous MCM-48, and also allows a more precise control of phase-pure synthesis. On the other hand, rational design of structure-directing agents offers a possibility to extend the synthesis conditions of IBN-9, as well as tailor its pore size. Moreover, an unprecedented helical structure consisting of twisted 3-fold interwoven mesoporous channels is reported here for the first time. The unique tricontinuous mesostructure of IBN-9 has been well-replicated by other functional materials (e.g., carbon and platinum) via a "hard- templating" synthesis route. The obtained carbon material possesses large surface area (∼1900 m2/g), high pore volume (1.56 cm 3/g), and remarkable gas adsorption capability at both cryogenic temperatures and room temperature. The platinum material has an ordered mesostructure composed of highly oriented nanocrystals. © 2011 American Chemical Society.

['The spirit has left the bottle': the medieval Arabic physician 'Abd al-Latĭf ibn Yŭsuf al-Baghdădĭ: his medical work and his bizarre affiliation with twentieth-century spiritualism].

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Joosse, N Peter

2007-01-01

The Arabic physician 'Abd al-Latĭf ibn Yŭsuf al-Baghdădĭ, lived at the crossroads of the twelfth and the thirteenth century. His unbridled curiosity and his unquenchable thirst for knowledge of any kind brought him to far-away countries and regions and put him in contact with all sorts and conditions of people. The great Egyptian famine of the years 1200-1202 enabled him to study and examine thousands of human cadavers and skeletons at first hand. This led to a new understanding of the anatomical structure of the human body, and rejected the more or less antiquated ideas of the Greek doctor Galen of Pergamum. However, 'Abd al-Latĭf's vision was granted only a short life. After his death, his discovery sank into oblivion and as a consequence it was never again mentioned in Arabic medical manuals. From then on the Arabic physicians once more referred to the anatomical data which were developed and taught by Galen. Relatively few specimens of his remaining medical work were preserved for posterity. However, his Book of the two advices (or: K. al-Nasĭhatain) is of the utmost importance as a source for the medical thinking and the medical treatment in the late twelfth and the early thirteenth century A.D. During the years following World War I, 'Abd al-Latĭf's name reappeared within the spiritualistic movement in England. He became known as Abduhl Latif the great Persian physician and acted as a control of mediums. Until the late sixties, he practised the art of healing as the head of a medical mission somewhere in the Spheres.

Sphygmology of ibn sina, a message for future.

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Zarshenas, Mohammad M; Abolhassanzadeh, Zohreh; Faridi, Pouya; Mohagheghzadeh, Abdolali

2013-07-01

Sphygmology is a 2000-year-old method that is still used in some traditional medicine systems, mainly Iranian, Chinese and Ayurveda. Ibn Sina is one of the most popular physicians in the history of Sphygmology, who had made great contributions to this method, but few meticulous studies have been made on his concepts. In this article, his standpoints on Pulsology are studied. Ibn Sina has mentioned 10 parameters for pulse palpation, and 13 compound pulses, as well. Besides, some pulse patterns applicable for differentiating similar diseases have been introduced. Nowadays some concepts on pulse patterns, such as pulse change in sleep and pregnancy have been studied; but unfortunately many of the ideas on Pulsology have not yet been examined. Sphygmology, as an accessible and inexpensive means, having a substantial diagnosis yield, has been accepted by the people since its rise, and its development over centuries ago. Although some new instruments have been innovated, which can measure different parameters of pulse, yet sphygmology can be one of the most commonly usable diagnostic methods in future, not only applicable by cardiologists but also by all the physicians.

Apostasy (Irtidâd in Islamic Jurisprudence; is it a Creedal or a Political Crime: Ibn al-Humam (d. 861/1457

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Niyazi Kahveci

2017-04-01

Full Text Available This article aimed to explore the nature of the penalty of the apostasy (irtidâd to what extent it is creedal or political crime, with particular reference to Hanafite penal law which served as the law of Islamic world for a period of a millennium. In expounding this law I have chosen the text of jurist-author of this School, Ibn al-Humâm (d. 861/1457 which offered a mere document for the subject-matter. The analysis in this essay exposed that Hanafi juristic conception considered the act of apostasy not a creedal but a political offence. Thereof the ratio legis (‘illa of death penalty imposed to the apostate (murtad is not his commitment of disbelief (kufr but his renouncement of the social, legal and political authority and system of the state and abandoning his membership of Muslim community after once accepted it. Consequently he has been accounted as a potential threat as a warring enemy to the survival of the Muslim community and its state. I understand that the jurists did not give the state legal authority to interrogate and punish the disbelief of its subjects. Belief of the individual rests between him and God.

La obra astrológica de Abraham Ibn Ezra en dos códices castellanos

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Sainz de la Maza, Carlos

2010-12-01

Full Text Available In this article we offer a study and a commentary of Abraham Ibn Ezra’s astrological works that have been preserved in two old Spanish manuscripts translated from Hebrew in a late medieval converso environment.

En el presente artículo ofrecemos un estudio y comentario de las obras astrológicas de Abraham Ibn Ezra que han sido preservadas en dos manuscritos en castellano traducidos del hebreo en un entorno converso a finales de la Baja Edad Media.

MUDHARABAH PERSPEKTIF AVERROES (Studi Analisis Kitab Bidayat al-Mujtahid Wa Nihayat al-Muqtashid

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Abdul Mukti Thabrani

2014-11-01

Full Text Available Tulisan ini akan menganalisa pemikiran Ibn Rusyd (Averroes, seorang pemikir, filosof, dan ulama besar asal Spanyol yang hidup pada 1126 – 1198 M, tentang konsep mudharabah dalam bidang fikih muamalah yang tertuang dalam karya monumentalnya yang terkenal sampai sekarang, Bidayat al-Mujtahid wa Nihayat al-Muqtashid. Pemikiran beliau dalam bidang ini ternyata masih sangat relevan dengan konteks kekinian, utamanya dalam bidang keuangan dan perbankan Islam secara umum yang diadaptasi oleh negara-negara “Islam” seperti Malaysia, Pakistan, dan Indonesia.

Avicenna's (Ibn Sina) the Canon of Medicine and saffron (Crocus sativus): a review.

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Hosseinzadeh, Hossein; Nassiri-Asl, Marjan

2013-04-01

In this review, we introduce the traditional uses of saffron and its pharmacological activities as described by either Avicenna in Book II, Canon of Medicine (al-Qanun fi al-tib) or from recent scientific studies. Modern pharmacological findings on saffron are compared with those mentioned in Avicenna's monograph. A computerized search of published articles was performed using MEDLINE, Scopus and Web of Science databases as well as local references. The search terms used were saffron, Crocus sativus, crocin, crocetin, safranal, picrocrocin, Avicenna and 'Ibn Sina'. Avicenna described various uses of saffron, including its use as an antidepressant, hypnotic, anti-inflammatory, hepatoprotective, bronchodilatory, aphrodisiac, inducer of labour, emmenagogue and others. Most of these effects have been studied in modern pharmacology and are well documented. The pharmacological data on saffron and its constituents, including crocin, crocetin and safranal, are similar to those found in Avicenna's monograph. This review indicates that the evaluation of plants based on ethnobotanical information and ancient books may be a valuable approach to finding new biological activities and compounds. Copyright © 2012 John Wiley & Sons, Ltd.

A Study of Muslim Philosophers’ Views about Rhythm and Rhyme (with emphasis on the works of Aristotle, al-Farabi, Averroes, Ibn Sina, Baghdadi, Khajeh Nasir and Ghartajeni

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S. Mahdi Zarghani

2013-04-01

Full Text Available  Abstract A part of Muslim philosophers’ studies is allocated to music. They categorize music as a sub-branch of mathematical sciences and investigate it scientifically, not artistically. Al-Musighi al-Kabir by al-Farabi and Javame’ Elm al-Musighi by Ibn Sina are among the most important works in this regard. Under the general category of music, they also allocate a section to the music of poem and investigate it scientifically. Their ideas about the music of poem are similar to as well as different from the ideas of prosodists. This article aims to study their ideas about the music of poem briefly. The first section is allocated to the issue of rhythm in verbal arts and it is shown that our philosophers consider two kinds of rhythm: quantifiable and not quantifiable. The first one exists in poem and the second one is in non-poetic language. Also they define certain characteristics for each of these rhythms. Quantity, the equality of cadences, provoking admiration and having distant returns are the features of poetic rhythm, whereas regular join and separation, similar endings, symmetry of sentences with regard to length, agreement and similarity of symmetrical words regarding movements, pauses and numbers of such words, appropriate usage of music-creating devices such as puns, alliterations and parallelisms are among the features of non-poetic rhythms. The significance of rhythm in poem and its status is another issue investigated in this article and it is shown that music and mimesis are two necessary elements that poem is made simply by the presence of them and the fundamental matter in the music of poem is “proportion”. Also it is shown that such matter is the basis of meters and prosodies. Our investigation shows that musical sounds and poetic meters are following the same system. Under other issues such as “Tanghim” it is shown that, by creating such terms, philosophers try to show that the factor of sound

The role of institutions in driving economic change: Comparing the thoughts of Ibn Khaldūn and Douglass C. North

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Haniza Khalid

2015-12-01

Full Text Available This article compares various elements of Ibn Khaldūn’s and Douglass C. North’s thoughts on the role of institutions in influencing or forcing economic change. There are a number of interesting similarities in ideas, thoughts, approaches, and methodologies, which prove that New Institutional Economics may actually mirror much of (and can benefit from Ibn Khaldūn’s fourteenth century ideas than was previously thought. Both Ibn Khaldūn’s continuum of badāwah to ḥaḍārah and North’s theory on changes from informal to formal institutions lead to the same fundamental conclusions: (i change is incremental as it is a result in small cumulative changes in the cost-benefit outcomes of the market agents over time, and therefore (ii economic performance inevitably depends on the existence and effectiveness of formal institutions that alter those outcomes. It is also noted that ‘aṣabiyyah or group feeling, another cornerstone of Ibn Khaldūn’s thought, corresponds perfectly to North’s treatise that social cohesion and institutional efficiency are more important than the amount of resource endowment in bringing about economic development and change. In addition, Ibn Khaldūn’s views on the government’s commercial activities are reviewed in the study in light of North’s transaction costs and property rights framework.  

An Analysis of Historical Vignettes by Ibn Sina in the Canon of Medicine on the Structure and Function of the Cardiorespiratory Apparatus.

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Mazengenya, Pedzisai; Bhikha, Rashid

2017-06-01

Ibn Sina is regarded as one of the greatest physicians, thinkers and medical scholars in the history of medicine. Ibn Sina, a Persian scholar in the medieval era, wrote a famous book of medicine, the Canon of Medicine. The book was adopted as the main textbook of medicine in most Western and Persian universities. In the present critique, we analyzed the functional and anatomic descriptions of the heart, airways and the lungs as viewed by Ibn Sina in volume three of the Canon of Medicine textbook, and compared them to modern anatomy texts.

A New Analysis of Salaamaan and Absaal\\'s Story by Honein-e Ibn-e Iss-haq Based on the Archetypes of Jungian Psychology

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Seyyedeh Maryam Rozatian

2010-03-01

Full Text Available Abstract  Salaamaan and Absaal is a mysterious story that has been being passed around with several narratives and versions. Jaami has composed a poem based on one of these narratives by the Hanin-e Ibn-e Iss-haq, translated from Greek to Arabic in the third Hijri century ( 9th century A.D.. His interpretations of the story’s mystical secrets had occupied the minds of so many commentators such as “Khajeh Nassir-e Toosi”. Jaami, based on this philosophical interpretation by Khajeh Nassir, offered a rather mystical but short interpretation of the mysteries of this story at the end of his poem. In this article, we intend to provide a different analysis of the mysteries of this story based on the ancient frameworks discussed in Jung’s psychology. Karl Gustav Jung was the founder of the Psychoanalysis and archetypal criticism who combined his psychological perspectives with Hermetic, Gnostic, and the Indian notions. Since the original story is Greek, an Indian influence on the story is conceivable and the ancient frameworks of Jung in analyzing the mysteries will be very revealing .

La figure historique d’Ibn ‘Abbâs

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Viviane Comerro

2012-01-01

Full Text Available ‘Abdallâh b. ‘Abbâs est l’une des hautes figures du savoir islamique constitué au premier siècle. Les diverses notices biographiques qui lui ont été consacrées dans les sources sunnites en témoignent à travers le portrait lisse et monochrome du Compagnon et du savant. Cependant, un autre portrait nous a été conservé, celui d’un homme partisan, au cœur de la mêlée qui oppose les différents clans de Quraysh dans la lutte pour le pouvoir. La figure dessinée par l’ouvrage édité sous le titre Akhbâr al-Dawla l-‘Abbâsiyya (ou quelques autres ouvrages du même genre échappe en grande partie à l’exemplum déshistoricisé des traditionnistes. Cet autre point de vue ne donne nullement à croire que l’auteur anonyme des ADA nous fournit une image plus authentiquement historique d’Ibn ‘Abbâs, mais il vient contredire la vision des religieux, ou celle des anthropologues, qui s’attachent à gommer l’accidentel dans le portrait stéréotypé. Certes, l’homme de chair et d’os, l’individu Ibn ‘Abbâs, nous échappe définitivement, mais sa figure historique peut-être pas. On peut, en effet, se demander si dans les informations rapportées par certains akhbâr, et qui relèvent de la recréation littéraire, ne se dissimule pas aussi la démarche réflexive de l’historien qui met en scène des faits en leur fournissant une explication. À la différence des traditionnistes qui ne se risquent dans le conflit que de façon allusive ou feutrée, les historiographes et leurs informateurs, des hommes souvent non répertoriés parce qu’ils n’appartiennent pas aux cercles de la riwâya, ne dissimulent pas les enjeux d’ordre historique. Quelques exemples empruntés aux ADA en sont donnés.

Labor as a source of value and capital formation:Ibn Khaldun, Ricardo and Marx – A Comparison

OpenAIRE

Hasan, Zubair

2007-01-01

Exclusive writings on the contribution of Ibn Khaldun to economics in the English language have not been many, the references to his work also remain scanty and far between. Even in what little is available mostly authors talk about his views on professions, markets and the cloud he castes on merchants. The present paper avoids treading the familiar tracks. It sees close similarities between the views of Ibn Khaldun (1332 – 1406), David Ricardo (1772 – 1823) and Karl Marx (1818 -I823) in...

Dirasah Fiqhiyyah Lihadits “Bai’atain fi Bai’ah” fi Manzur al-Iqtisad al-Islami

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Daud Rasyid

2013-05-01

Full Text Available Hadits is one source of Islamic Law. There are contracts which are forbidden is Islamic Law. One of that forbidden contracts is two sales in one contract (bay’atayn fi bay’ahor s}afqatayn fi s}afqah. There are narrations of the Ahadith which forbids this type of contract. The paper discusses the authenticity of these narrations and its legal meaning. According to the science of Hadits that daif (weak Hadith could not be considered as valid source of law. There are three narrations related to this topic i.e. through Abu Hurayrah, Amru ibn Shuaib and Ibn Mas’ud. The Prophet (pbh has forbidden two sales in one contract. This Hadits is generally considered as Sahih hence some transactions which come under this type are deemed as void. Muslim scholars have different opinion with regard to the meaning of this Hadits. There are some forms of contract which are forbidden is Islamic Law such as 1.  Bay’ al-ienah, 2.Bay’ al-Kali’ bil Kali’ and Bay’ al-Taqsit or Ta’jil (on deferred payment. This paper is an effort to shed the light on these types of contract referring to the opinions of Muslim intellectuals from different school of thought (Hanafite, Shafiite, Malikite and Hanbalite with some conclusion et the end.

Konsepsi Ibnu Jarir Al-Tabari Tentang Al-Qur’an, Tafsir Dan Ta’wil

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A.M Ismatulloh

2012-12-01

Full Text Available The objective of this research is to describe the concept of Ibnu Jarir al-Tabari about al-Qur’an, tafsir and ta’wil. Ibn Jarir al-Tabari is an outstanding expert in the classic Islamic tradition. His knowledge in hadits, fiqh, lughah, history, and tafseer is unquestionable. This study uses an analytical descriptive design. The findings show that: Firstly, in defining al-Qur’an, al-Tabari focused on the al-Qur’an as an Arabic language text, not in other language. Secondly, al-Qur’an is written in sab’ah ahruf. It means that there are 7 different kinds of language with the same meaning. Thirdly, al-Qur’an comes from seven heaven’s door. Fourthly, there is no different word between tafseer and ta’wil. They have same meaning. These concepts are different to other concepts proposed by other ulama.

Ibn Kamm´na on the Nature of Knowledge | Alper | Journal for ...

African Journals Online (AJOL)

philosopher Sa>d b. Man§´r Ibn Kamm´na (d. 683/1284), who is one of the most important and influential philosophers of the post-Avicennan period. In order to accomplish this aim, the article begins with a brief look at his view on the conception of ...

Metodologi Kitab Ma‘alim al-Tanzil Karya Al-Bagawiy

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M. Rusydi Khalid

2017-12-01

This study aims to describe the metodology of Ma'a> lim al-tanzi>l book by al-Bagawi. The book is one of the books of exegesis written on the basis of hadith, which by the commentary scholars recognized avoided from heresy and weak hadith. The author of this book is Imam Abu Humaid Hussein bin Mas‘u>d al-Farra>’ Al-Bagawi al-Syafi‘i>, died in the year 510 H. This exegesis book combines the interpretation of the companions, tabi‘i>n, and tabi‘i> tabi‘i>n. Interpretation is broken down with easy, simple, and concise diction choices. The stoning of the interpretation of the salaf scholars without mentioning the sanad as already mentioned in the introduction to his book. This book was first printed in one edition with the exegesis book of Ibn Kas}i>r and al-kha>zin. This book interprets the Qur'an analytically from the beginning to the end of the surah by using the method of interpretation based on the hadith, namely by mentioning the arguments of the hadith sahih, the fatwa of the companions and the tabi‘i>n. The characteristic or purpose of this book is fiqh oriented, which tends to the Shafi‘i fiqh.   Abstrak Tulisan ini mendeskripsikan metode penafsiran dalam kitab Ma’a>lim al-tanzi>l karya al-bagawi. Kitab tafsir ini merupakan salah satu di antara kitab-kitab tafsir yang ditulis berdasarkan riwayat, yang oleh para ulama tafsir diakui terhindar dari bid’ah dan hadis dhaif (lemah. Penulis buku ini adalah Imam Abu Muhammad Husain bin Mas‘u>d al-Farra>‘ al-Bagawi al-Syafi‘i>, wafat pada tahun 510 H. Kitab ini adalah kitab pertengahan yang mengutip penafsiran para Sahabat, ta>bi‘i>n, dan tabi‘i ta>bi‘i>n. Penafsiran diuraikan dengan pilihan diksi yang mudah, sederhana, dan ringkas. Penukilan dari interpretasi ulama salaf tanpa menyebutkan sanad karena telah disebutkan dalam pendahuluan bukunya. Buku ini pertama kali dicetak dalam satu edisi dengan tafsir Ibn Kas\\i>r dan tafsir al-Kha>zin. Kitab ini menafsirkan al-Qur’an secara

UNDERSTANDING THE MULTIDIMENSIONAL ISLAMIC FAITH THROUGH ‘ABD AL-GHANI AL-NABULUSI’S MYSTICAL PHILOSOPHY

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Naoki Yamamoto

2013-12-01

Full Text Available This paper tries to present a new perspective on Islamic faith and Muslim identity to Muslim minorities who are challenged in practicing or following Islamic law in non-Islamic countries or non-Muslims in the contemporary world. It will uncover the multidimensional perspective of the concept of faith based on sin (dhanb and repentance (tawbah through the mystical philosophy of a Syrian scholar, Abd al-Ghani al-Nabulusi (d. 1143/1741 of the 18th century Ottoman Damascus who contributed to the field of Sufism particularly based on Ibn ‘Arabi’s thought of wahdat al-wujud (oneness of being and insan kamil (the perfect man. Nabulusi believes that anyone who lived during the inexistence of prophet’s revelation, inhabited an isolated place cut off from information about Islam, or lived in dar al-harb and did not make a hijra to dar al-islam could not be regarded as sinful in their deeds. However, faith in Allah is essential and infidelity is not forgiven regardless whether or not they live in dar al-islam or dar al-harb. Further, Nabulusi insists that true faith can be achieved by understanding the sin of existence; the ignorance of the difference of existence between Allah and men.  [Artikel ini menjelaskan identitas keberagamaan umat Islam minoritas yang dituntut untuk menerapkan syariat, namun harus hidup di negara non-muslim, dengan mendiskusikan perspektif multidimensional terhadap konsep dosa dan tobat seperti dikembangkan oleh Abd al-Ghanī al-Nabulusī (1143/1741, seorang sufi pemikir Syria, khususnya  wahdat al-wujūd dan insan kamil, yang hidup di masa kesultanan Usmani di Damaskus. Nabulusī berkeyakinan bahwa siapa saja yang hidup sebelum turunnya wahyu di masa Nabi, hidup di daerah terpencil yang tidak mengenal Islam, atau hidup di dar al-harb dan tidak hijrah ke dar al-islam, tidaklah dibebani dosa atas perbuatannya. Namun demikian, iman kepada Allah amatlah penting dan kekufuran tidaklah dimaafkan, baik seseorang tersebut hidup

Sources for a Prehistory of Ethnology in the Islamic World: Ibn Battuta’s Travels through Asia and Africa (1325-1354

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Marko Pišev

2016-02-01

Full Text Available Within the discipline, the historical roots of ethnology and anthropology are most often traced through European antiquity, the enlightenment and the modern intellectual traditions of the West. Even though this view is somewhat justified (in that it follows a clear continuity in the development and scientification of the discipline in western universities, it, perhaps unintentionally, leaves out the intellectual efforts of Islamic thinkers and travelers, who had also, in their time, encountered various forms of "cultural otherness" and strived to represent and interpret them to their own readers. This paper focuses on Ibn Battuta’s decades of travel through Muslim lands – and beyond – and is envisioned as a theoretical experiment the purpose of which isilluminating the significance of Ibn Battuta’s writings, not only for the historical but also for the contemporary aspects of our discipline.It is a reflection on the ethnographic aspect of Ibn Battuta’s writings about the people and cultures which he encountered in his travels.

[Traceability of labile blood products in Morocco: experience of the Ibn-Sina hospital of Rabat between 1999 and 2010].

Science.gov (United States)

Ouadghiri, S; Atouf, O; Brick, C; Benseffaj, N; Essakalli, M

2012-02-01

The blood transfusion and haemovigilance service of the Ibn-Sina hospital in Rabat (Morocco) was created 1997. This unit manages the pretransfusional tests, distribution of blood products, traceability and haemovigilance. The objective of this study was to analyze, over a period of 12years, the traceability of blood products delivered in our hospital and the measures used to improve feedback information. This is a retrospective study conducted between 1999 and 2010. Traceability rate was calculated from the feedback of traceability forms supplied with blood products (number of blood products noted on traceability forms on the total number of delivered product). To improve traceability rate, several actions were undertaken: one-time training, awareness campaigns and call phones asking for feedback information. Between 1999 and 2010, the service has delivered 173,858 blood products. The average rate of traceability during this period was 13.4 %. Traceability rate varies widely over time (5.2 % in 1999, 15.5 % in 2010) and shows a maximum value of 27.2 % in 2005. Feedback information is lower in emergency departments than in medical and surgical services. Feedback information about traceability in Ibn-Sina hospital remains very poor despite the measures used. Other actions, such as continuous education courses, low enforcement and informatisation should be considered. Copyright © 2011 Elsevier Masson SAS. All rights reserved.

Can the United States Defeat Radical Islam

Science.gov (United States)

2008-05-22

It strongly disapproves of idolatry, the popular cult of saints and tomb visitation. 11...twentieth century, Sayyid Qutb (1906-1966), an Egyptian Islamic radical, referencing al-Wahhab, developed a modified concept of jahiliyya. In Qutb’s...It strongly disapproves of idolatry, the popular cult of saints and tomb visitation. When ibn Taymiyya was asked if the murderous. Mongols, who

Reviewing Medical Education in KamelAl-Senaat Al-Tebieh

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Shahla Moradi

2017-06-01

Full Text Available Background and Objective: Among the human sciences, medicine is superior to all other sciences. One of the effective factors in education, especially in medical education is using appropriate textbooks. This study aims to consider a classic book of medical education and find its relevance to modern medicine. Materials and Methods: Reviewing and analyzing parts of Kamel Al-Senaat Al-Tebieh medical textbook. Results: This book has about four hundred thousand words and it was divided into twenty articles, each consisting of several chapters, first ten topics of which are about theoretical medicine, and others are information related to practical medicine. Conclusion: One of the most important obligations of every nation is to protect and preserve written and unwritten cultural and scientific resources Kamel Al-Senaat Al-Tebieh was written in one of the glorious periods of Iranian Medical History by Ali Ibn Abbas. It has a dignified position because of its recording method. This method is one of the best methods that is used after Ahvazi. Even today it is a valuable source of medical education.

Corak Tasawuf Al-Ghazali dan Relevansinya dalam Konteks Sekarang

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Abd. Moqsith Ghazali

2013-05-01

Full Text Available Abstracts: Al-Ghaza>li’s < sufism –which described as more khuluqi-'amali in character- becomes the creed of majority of Muslims in the world, in fact adhered by some sects within Judaism and Christianity. Although some Muslim thinkers, such as Ibn Rushd, criticized al-Ghaza>li<, but his arguments in Ih}ya>’ ‘Ulum al-Di>n seem to be too solid to tear down. This article tries to explore the main points of al-Ghaza> li<’s thoughts in the atmosphere of contemporary world and came to conclusion that in this time when Islam is often expressed in harsh and barren manners, al-Ghaza>li’s sufism shows its relevance and significance. He offers the concept of love of God(mah}abbah, oneness of God (tawh}id, fear of God (makha>fah , and gnosis (ma’rifah to the mankind. According to al-Ghaza>li , someone who loves God must love God's creatures as well. This concept leads to the good behaviors such as desire to unite oneself with God by repentance (tawbah, asceticism (zuhd for fear of being far from God, trusting in God (tawakkul, and being pleased with all decisions and provisions of God (rid}a. These spiritual stages will lead to the degree of knowing God (ma'rifah. Modern society, that often feel alienated, will find the book Ih}ya> 'Ulu> m al-Di>n as a cooling oasis.

[Recipients adverse reactions in the Ibn Sina Hospital of Rabat: State 1999-2013].

Science.gov (United States)

Ouadghiri, S; Brick, C; Benseffaj, N; Atouf, O; Essakalli, M

2017-02-01

The declaration of the recipients adverse reactions (RAR) is one of the field haemovigilance activities. It provides an evaluation of transfusion side effects and thus prevents their appearance. The aim of this study is to analyze, over 14 years, the RAR supports reported in Rabat Ibn Sina hospital. All of the RAR supports sending to the blood transfusion service were analyzed. The data collected from these supports are: clinical characteristics of the patient, type of incident observed and type of labile blood products (LBP) transfused. A total of 353 RAR were declared with a mean cumulative incidence of 1.7/1000 LBP delivered. Febrile non-hemolytic transfusion reactions represent 72.8% of the RAR declared. The RAR were classified as grade 1 in 87.1% of cases and were secondary to a transfusion of the red cell concentrates in 81.9%. ABO incompatibility was found in four cases (0.02/1000 LBP delivered). The number of RAR reported by Rabat Ibn Sina hospital remains underestimated. Management and traceability RAR and rigorous investigation, under the responsibility of the corresponding haemovigilance contribute to the improvement of transfusion safety. Copyright © 2016 Elsevier Masson SAS. All rights reserved.

The Psycholinguistic Theories in the Muqaddimah of Ibn Khaldūn

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Ahmad Shehu Abdussalam

1995-12-01

Full Text Available A review of psycholinguistic theories found in the Muqaddimah shows the breadth of Ibn Khaldūn's understanding of human behaviour, including language behaviour. His views on the influence of change on human habits, the relationship between language, knowledge and perception, and on the influence of constant repetition on language acquisition are, with minor modifications, valid even in the contemporary period. The causes he described for language corruption and the limitation of non-Arabs in learning Arabic are still worth examining.

The Alliance between Mengu-Timur and Abaga: The Problem of Sources Interpretation and Translation of Persian and Turkic Terms in Arabic Texts (on the example of “Collection of Materials Relating to the Golden Horde History. Volume I. Excerpts from the Arabic Writings” composed by V.G. Tiesenhausen »

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Damirdzhan Zainuddinov

2015-01-01

Full Text Available The article deals with the problem of translation of Persian and Turkic lexical units in Arabic texts written between the 13th and 16th centuries. Author examines as an example an excerpt from the work of Ibn Khaldun (732/1332 – 808/1406 translated by V.G. Tiesenhausen. The author provides comments to the given translation and presents his own translation. The author also presents original analysis of the source both about the relations between Golden Horde and Constantinople and on the battle of Homs in 680 AH between Mangu Timur, son of Hulagu, and the Mamluk sultan al-Mansur. The author tries to prove that Mengu-Timur, son of Togan, did not participate in that war. This article also presents new sources of such authors as Yunini Kutb ad-din Musa ibn Muhammad (640/1242 – 726/1326, Yafi’I Abdulla ibn As’ad (698 – 768 AH and bibliographic collection of al-Markisi Taki ad-din (died in 845 AH.

The Alliance between Mengu-Timur and Abaga: The Problem of Sources Interpretation and Translation of Persian and Turkic Terms in Arabic Texts (on the example of “Collection of Materials Relating to the Golden Horde History. Volume I. Excerpts from the Arabic Writings” composed by V.G. Tiesenhausen »

Directory of Open Access Journals (Sweden)

Damirdzhan Zainuddinov

2015-03-01

Full Text Available The article deals with the problem of translation of Persian and Turkic lexical units in Arabic texts written between the 13th and 16th centuries. Author examines as an example an excerpt from the work of Ibn Khaldun (732/1332 – 808/1406 translated by V.G. Tiesenhausen. The author provides comments to the given translation and presents his own translation. The author also presents original analysis of the source both about the relations between Golden Horde and Constantinople and on the battle of Homs in 680 AH between Mangu Timur, son of Hulagu, and the Mamluk sultan al-Mansur. The author tries to prove that Mengu-Timur, son of Togan, did not participate in that war. This article also presents new sources of such authors as Yunini Kutb ad-din Musa ibn Muhammad (640/1242 – 726/1326, Yafi’I Abdulla ibn As’ad (698 – 768 AH and bibliographic collection of al-Markisi Taki ad-din (died in 845 AH.

The Ulama and the Al Saud: A Relationship Between Elites in Saudi Arabia

OpenAIRE

Permuy, Alexandra

2016-01-01

The origins of the Kingdom of Saudi Arabia date back to the alliance forged between the AlSaud and the preacher Muhammad Ibn AbdulWahhab in the 18th century, and the subsequent establishment of the first Saudi state. Since then, the religious scholars, or ulama, have played an important role that is still vital to the continued survival of the Saudi regime’s credentials. However, that role has changed overtime. Historically, the AlSaud and the ulama were elites of equal standing, but oil reso...

Istanbul: ajalukku kivistunud loodus / Tiit Kändler

Index Scriptorium Estoniae

Kändler, Tiit, 1948-

2013-01-01

Reiskiri Istanbulist: kirjanik Orhan Pamukist, õpetlasest Ibn al-Haytham'ist, Otomani impeeriumi peaastronoom Taqi al-Din Mohammed ibn Ma'ruf'ist ning teistest Istanbuli mõjutanud inimestest ja sündmustest

A united refinement technology for commercial pure Al by Al-10Ti and Al-Ti-C master alloys

International Nuclear Information System (INIS)

Ma Xiaoguang; Liu Xiangfa; Ding Haimin

2009-01-01

Because flake-like TiAl 3 particles in Al-Ti-C master alloys prepared in a melt reaction method dissolve slowly when they are added into Al melt at 720 deg. C, Ti atoms cannot be released rapidly to play the assistant role of grain refinement, leading to a poor refinement efficiency of Al-Ti-C master alloys. A united refinement technology by Al-10Ti and Al-Ti-C master alloys was put forward in this paper. The rational combination of fine blocky TiAl 3 particles in Al-10Ti and TiC particles in Al-Ti-C can improve the nucleation rate of α-Al. It not only improves the grain refinement efficiency of Al-Ti-C master alloys, but also reduces the consumption

Information on Genghis Khan, Berke, and Khan Uzbek in Bibliographic Collection of al-Safadi, Salah al-Din Khalil (d. 764 AH. Al-Wafi bi al-vafiyat (الوافي بالوفياب أو تاريخ الصفدي (Complete collection of biographies of deceased persons or the history of al-Safadi »

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D.R. Zaynuddinov

2015-09-01

Full Text Available Publication of Russian translations by V.G. Tiesenhausen of extracts from Arabic sources on the history of the Golden Horde was a breakthrough in this research topic. Thanks to the work of V.G. Tiesenhausen, Russian historical school has become one of the leading research schools and remains such to the present day. However, the work of V.G. Tiesenhausen does not exhaust the entire storehouse of medieval historical and geographical literature in the Arabic language, as he states in the preface to his work. Proof of this is the fact that in voluminous work of V.G. Tiesenhausen we practically do not meet materials from the writings of historians dealing with the narrative biographies, although their works contain very valuable information about the history of the Golden Horde. As examples of such works, we can name the following: 1 al-Safadi (696 AH / 1297 – 764 AH / 1363, “Al-Wafi bi al-vafiyat” (الوافي بالوفياب أو تاريخ الصفدي (Complete Collection of Biographies of Deceased Persons or the History of al-Safadi; 2 al-Safadi (696 AH / 1297 – 764 AH / 1363, (أعيان العصر وأعوان النصر (Outstanding Personalities of this century, and the Champions of Victory; 3 al-Kutubi Muhamamd Shakir (d. 764 AH, (فوات الوفيات و الذيل عليها (Biographies of Deceased Persons not included (in the collection of Ibn Hallikan (608 AH / 1211 – 681 AH / 1282, and addition to them; 4 (al-Maqrisi Taqi al-Din (d. 845 AH, (كتاب المقفّى الكبير (Great Rhymed Book; 5 al-Asqalani Ibn Najar (d. 852 AH (الدرر الكامنة في أعيان المائة الثامنة (Hidden Pearls in a Biography of Outstanding Persons of the eighth century of Hijra; 6 Ibn Taghribirdi (813–874 AH (المنهل الصافي المستوفي بعد الوافي (Pure Completing Source after the “Full”. The purpose of this article is an introduction into academic circulation of the materials from

Idaaratu al Wahdah al Namthiyah li at Tathwiri al Tarbiyah al Islamiyah

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Ahmad Danusiri

2016-04-01

Full Text Available Islam, through the Quran, proclaims that its mission includes the teachings to the whole universe, Everything in the universe is maintained by Islam, and none of the symptoms are ignored. The revelations also include the traditions of the Prophet that are authentic (shahih and good (hasan in quality. Both the Quran and maqbulah hadiths are accepted by Muslims on the basis of faith. When some experts of UIN Walisongo from various disciplines try to understand the sacred words of these two resources, their understanding continues, reaching the paradigm of the unity of science which essentially unites the normative, social, and natural sciences. The effect of this paradigm has brought up an issue for the author. Is there any hadiths or Prophetic traditions that can be used as a grand theory in the management disciplines of Islamic education.To address this issue, the authors conducted a literature research with the title Development of Islamic Education Management Module. Sources of data were focused on nine books of Hadiths : Sahih al-Bukhari, Sahih al-Muslim, Sunan Abu Dawud, Sunan at-Turmudzi, Sunan an-Nasai, Sunan Ibn Majah, Sunan ad-Darimi, Muwatta Malik, and Musnad Imam Ahmad bin Hanbal in the form of digital data Lidwa Reader Software Book 9 Imam Hadith. The findings of the study stated that the meaning of the word Rabb includes: creating, nurturing, maintaining, teaching, educating, and organizing. Thus, in an academic term, the word Rabb implies a manager or leader. Meanwhile, in the concept of comprehensive manager it contains at least 14 nomenclature denotations: planning, responsibility, organization, coordination, system of employee payroll, learning, resources, humanity, principle of making it easier for the manager to the employee, motivated to achieve optimal performance, preventing unproductivity, education participation, institutional costs, monitoring, and evaluation system. Each nomenclature has numerous hadiths that could serve

A united refinement technology for commercial pure Al by Al-10Ti and Al-Ti-C master alloys

Energy Technology Data Exchange (ETDEWEB)

Ma Xiaoguang [Key Laboratory of Liquid Structure and Heredity of Materials, Ministry of Education, Shandong University, Jinan 250061 (China); Liu Xiangfa [Key Laboratory of Liquid Structure and Heredity of Materials, Ministry of Education, Shandong University, Jinan 250061 (China)], E-mail: xfliu@sdu.edu.cn; Ding Haimin [Key Laboratory of Liquid Structure and Heredity of Materials, Ministry of Education, Shandong University, Jinan 250061 (China)

2009-03-05

Because flake-like TiAl{sub 3} particles in Al-Ti-C master alloys prepared in a melt reaction method dissolve slowly when they are added into Al melt at 720 deg. C, Ti atoms cannot be released rapidly to play the assistant role of grain refinement, leading to a poor refinement efficiency of Al-Ti-C master alloys. A united refinement technology by Al-10Ti and Al-Ti-C master alloys was put forward in this paper. The rational combination of fine blocky TiAl{sub 3} particles in Al-10Ti and TiC particles in Al-Ti-C can improve the nucleation rate of {alpha}-Al. It not only improves the grain refinement efficiency of Al-Ti-C master alloys, but also reduces the consumption.

[Tinea capitis etiology in Ibn Sina Hospital in Rabat (Morocco)].

Science.gov (United States)

Elmaataoui, A; Zeroual, Z; Lyagoubi, M; Aoufi, S

2012-09-01

Tinea capitis (TC) is a contagious infection that affects mainly children and teenagers. A retrospective study was realized at the mycology-parasitology department of the Ibn Sina hospital in Rabat, Morocco. The study includes 125 cases of TC. The mean age is 12.73 ± 11.61 year. The isolation of TC is dominated by two species Trichophyton violaceum 76 (60.8%) and Microsporum canis 27 (21.6%). Trichophyton verrucosum was isolated only in male and all of rural origin. In adults over 18 years, the most isolated species is T. violaceum (six cases) in females. For the last thirty years, the epidemiological profile of TC remains almost the same in Morocco. Copyright © 2012 Elsevier Masson SAS. All rights reserved.

Outcome, Cost, and Oversight of Iraq Reconstruction Contract W914NS-04-D-0006

Science.gov (United States)

2008-01-28

Minerals HQs Building $7,928,993 2% 03 Modernize Maternity & Pediatric Hospital – Ibn Al Baladi $8,814,353 3% 04 Ministry of Health – Healthcare...Ministerial buildings 8,257,981 8,258,377 Completed Terminated for Convenience 3 Renovate Ibn Al Baladi Hospital 9,585,023 9,365,516 4 Design and...7,331,585 237,490 688,906 8,257,981 8,258,377 8,258,377 3 Renovate Ibn Al Baladi Hospital 8,251,610 320,820 1,012,593 9,585,023 9,585,023

El lugar del Iṣlāḥ al-Maŷisṭī de Ŷābir b. Aflaḥ en la llamada «rebelión andalusí contra la astronomía ptolemaica»

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Bellver Martínez, José

2009-06-01

Full Text Available Jābir b. Aflaḥ al-Ishbīlī, known as Geber filius Afflay Hispalensis in medieval Western Europe, was a mathematician and theoretical astronomer who most probably flourished in Seville during the first quarter of the 12^th century. Jābir b. Aflaḥ was a leading figure in medieval astronomy thanks to the Iṣlāḥ al-Majisṭī, his magnum opus, which was translated into Latin and Hebrew. With his Iṣlāḥ al-Majisṭī, Jābir b. Aflaḥ intended to rewrite the Almagest and introduced some corrections to it. In his important paper «The Andalusian revolt against Ptolemaic astronomy» published in 1984, the renowned scholar A.I. Sabra drew attention to a group of Andalusian philosophers who where contemporaries of Jābir b. Aflaḥ or flourished shortly after him, such as Ibn Bājja (d. 537/1138, Ibn Ṭufayl (d. 581/1185, Ibn Rushd (d. 595/1198, Maimonides (d. 601/1204 and al-Biṭrūjī(fl. 596/1200. Sabra stressed their cosmological criticisms of the astronomical models described in the Almagest arising from the lack of consistency of Ptolemy’s models with Aristotle’s physics. The purpose of this paper is to describe Jābir b. Aflaḥ’s criticisms of Ptolemy in order to consider whether he should be placed among the members of the Andalusian revolt against Ptolemaic astronomy. The final conclusion is that Jābir b. Aflaḥ’s criticisms are not themselves cosmological — although they may have cosmological implications — but of a completely technical mathematical nature. He should not, therefore, be placed among the members of the Andalusian revolt against Ptolemaic astronomy.

Ŷābir b. Aflaḥ al-Išbīlī, conocido como Geber filius Afflay Hispalensis en la Europa medieval, fue un matemático y astrónomo teórico que probablemente floreció en Sevilla durante el primer cuarto del s. XII. Ŷābir b. Aflaḥ es un astrónomo medieval importante gracias a su obra

CHARACTERIZATION OF THE SLUDGE OF IBN ZIAD CONSTANTINE SEWAGE TREATMENT PLANT FOR ITS LANDSPREADING

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WASSILA CHEURFI

2016-04-01

Full Text Available The purpose of this study was to determine the content of metals elements in the sludge of Ibn Ziad sewage treatment plant of Constantine in order to preserve its quality for subsequent use in agriculture. The use of X-ray fluorescence spectroscopy allowed us to identify the following constituents in this mud: Mg, Al, Si, P, S, Cl, K, Ca, Ti, V, Cr, Mn Fe, Ni, Cu, Zn, Ga, As, Se, Br, Rb, Sr, Y, Zr, Ba, Pb. These elements represent 49.82 % of the total mass of the sludge. The elements present with regulated content limit are chromium, copper, nickel, lead and zinc. They occur respectively with the following concentrations: 0.27 mg·g-1, 0.48 mg·g-1, 0.11 mg·g-1, 0.35 mg·g-1 and 2.70 mg·g-1. We have achieved an extraction for evaluating the concentration of the dissolved nitrate ions, the chemical oxygen demand (COD, and pH. The nitrate ions were transformed into sodium paranitrosalicylate to be dosed by ultraviolet-visible (UV-Vis spectroscopy at 420 nm. The concentration measured was 0.12 mg·g-1. The measuring of the COD issued a value of 0.45 mg·g-1. pH was 7.1.

İ BNÜ'L-MÜNECC İ M (241-300/ 855-912 ve R İ SÂLE F İ ’L-MÛSÎKÂ ADLI ESER İ

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Ahmet Hakkı TURABİ

2005-06-01

Full Text Available Ibn al-Munajjim lived in Abbasid Era in which music became a branch of science inIslamic Civilization. He wrote two valuable books on the theories of music. He came from“Müneccimoğulları family” known by its affinity to palace, and he was also an authority inArabic-Persian sciences. His teacher Ishâq al-MawsılÄ« was considered as the founder of thetheories of music in Islamic world; but his Works didn't reach us. And this increased thevalue of al-Munajjim's work, because his Risâla fi'l-MûsÄ«qâ gives detailed and importantinformations about the theories of music of that period. In researches on history of musicdone in western and Arab world Ibn al-Munajjim's Risâla was mistakenly mixed up by hiswork Kitâbu'n-Nagam. In this study we tried to connect this misunderstanding and weexamined Ibn al-Munajjim's –and consequently his teacher Ishaq's- theories of music. Wealso tried to give some informations about the life of Ibn al-Munajjim.

Dynastic Marriage of Mamluk Sultan of Egypt al-Nasir and Princess Tulunbay according to Medieval Arab Chronicles

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Elmira G. Sayfetdinova

2017-03-01

Full Text Available Objective: to identify the main reasons for the dynastic marriage between Mamluk Sultan al-Nasir and the Chinggisid princess Tulunbay and to analyze the impact of the termination of the marriage, according to medieval Arab chronicles. Research materials: medieval Arab chronicles of Mamluk authors: Ibn Duqmaq, al-Qalqashandi, al-Maqrizi, Mogultay, al-Nuwayri, Ibn Tagriberdi, al-Ayni et al. Results and novelty of the research: diplomatic relations between Egypt and the Golden Horde were the result of economic and foreign policy objectives of both states. Egypt at that time was one of the most powerful and influential states in the Muslim East, which showed an increased interest in events in the Golden Horde. This interest was stimulated by the fact that the Golden Horde was involved in the orbit of Islam and began to more intensively integrate Islam into the everyday culture of the Golden Horde society. After the Golden Horde had strengthened its position during the reign of khan Uzbek, Mamluk sultans began to consolidate even more their relations with the Golden Horde. One of the most important steps for the rapprochement between the two countries was a dynastic marriage between Mamluk Sultan al-Nasir and the Chinggisid princess Tulunbay. The object of this study is relevant, since the issue of political significance of dynastic relations between Mamluk and the Golden Horde rulers remain understudied. Meanwhile, the dynastic marriage is presented as a political act: as an expression of the good will of the state in relation to the other and a way to strengthen the influence of one country on another. The novelty of this research lies in the fact that, along with a detailed analysis of the Arab chronicles’ information on this subject, it presents for the first time the tomb of princess Tulunbay, which has been preserved in Egypt.

Proses Pengambilan Keputusan dalam Perspektif Ibn Taimiyyah

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Shobahussurur Shobahussurur

2010-05-01

Full Text Available An important problem in the discourse of Islamic political study is the problem of decision-making process within the political order of a country. Does Islam follow a view of absolutism in the decision making process. How does representative institutions decision become a constitutional decision. What is the form of consultation can be done to get the best decision. Almost all forms of Islamic political thought agree to make syûrâ (consultation system, consulting as a tool to create a state decision. Yet, the debate is on the problems that can be decided or determined through the mechanism of the syûrâ. For Ibn Taymiyyah, people are the main owners of state power. Determination of choice for power players and the way of power are completely in the hands of the people. They are the owners of the leadership in general. They are entitled to elect and dismiss the leader, as they also decide the broad outlines of state policy that must be done by him. Moreover, the authority outlines is not on the leader, but on the whole people. However, the syûrâ is not like the promoted Western liberal democracy. It has its characteristics, traits and principles.

La rebelión del año 754 en la marca superior y su tratamiento en las crónicas árabes

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Eduardo MANZANO MORENO

2009-11-01

Full Text Available Los años que preceden al desembarco en Al-Andalus del futuro emir omeya Abd al Rahman Ibn Muváwiya en el año 755 son bastante oscuros y confusos. Como es sabido, el largo período de guerras civiles —cuya causa es tradicionalmente atribuida al antiguo enfrentamiento existente entre las tribus árabes del Norte y las del Sur— culmina en el año 747 con la derrota de estas últimas en la batalla de Secunda. Dueños de la situación, los qaysíes, con su jefe al-Sumayl a la cabeza, lograron imponer a Yüsuf ibn Abd al Rahman al Fihri como walí de Al-Andalus. Pierre Guichard ha demostrado que esta elección no es en absoluto casual y que se corresponde con la preeminencia que la familia de los Fihríes, descendientes del famoso conquistador Uqba ibn Nàfi , había conseguido no sólo en la Península Ibérica, sino también en el Norte de Africa, donde por la misma época asistimos a los intentos de un primo de Yüsuf, vAbd al Rahman ibn Habib, de afianzar su dominio en Ifriqiya.

Rabies in medieval Persian literature - the Canon of Avicenna (980-1037 AD).

Science.gov (United States)

Dalfardi, Behnam; Esnaashary, Mohammad Hosein; Yarmohammadi, Hassan

2014-02-17

Ibn Sina (980-1037 AD), known by his full name Abu Ali al-Hussain ibn Abdallah ibn Sina and the Latin name 'Avicenna', was a Persian scholar who is primarily remembered for his contributions to the science of medicine. He authored Al-Qanun fi al-Tibb (The Canon of Medicine). Sections of his work are devoted to detailed descriptions of a number of infectious illnesses, particularly rabies. Avicenna described rabies in humans and animals and explained its clinical manifestations, route of transmission, and treatment methods. In this article, our goal is to discuss Avicenna's 11th-century points of view on rabies and compare them with modern medical knowledge.

Rabies in medieval Persian literature – the Canon of Avicenna (980–1037 AD)

Science.gov (United States)

2014-01-01

Ibn Sina (980–1037 AD), known by his full name Abu Ali al-Hussain ibn Abdallah ibn Sina and the Latin name ‘Avicenna’, was a Persian scholar who is primarily remembered for his contributions to the science of medicine. He authored Al-Qanun fi al-Tibb (The Canon of Medicine). Sections of his work are devoted to detailed descriptions of a number of infectious illnesses, particularly rabies. Avicenna described rabies in humans and animals and explained its clinical manifestations, route of transmission, and treatment methods. In this article, our goal is to discuss Avicenna’s 11th-century points of view on rabies and compare them with modern medical knowledge. PMID:24533686

Fabrication of the tricontinuous mesoporous IBN-9 structure with surfactant CTAB

KAUST Repository

Zhao, Yunfeng

2011-12-13

IBN-9 is the first tricontinuous mesoporous material, consisting of three identical interpenetrating channels that are separated by a single continuous silica wall. It was originally synthesized using a specially designed surfactant as template. The need of special surfactant in the synthesis inhibits extensive investigation of this novel structure and its applications. We demonstrate in this study that such a complicated tricontinuous mesostructure can also be fabricated from the most common and commercially available surfactant cetyltrimethylammonium bromide (CTAB) with the help of polar organic additives, e.g., n-butanol. The role of n-butanol is to finely tune the surface curvature of the organic/inorganic interface during the cooperative self-assembly process. Electron microscopic techniques are employed to identify different mesostructures from the mixture. This study reveals the possibility of discovering unprecedented mesostructures from conventional surfactant-water- silicates systems. © 2011 American Chemical Society.

Case Report

African Journals Online (AJOL)

Arthritis: a Case Report. Intissar Haddiya*, Hakima Rhou, Loubna Benamar, Fatima Ezzaitouni, Rabia Bayahia, Naima. Ouzeddoun. Unit of Nephrology, Ibn Sina University Hospital, Rabat, Morocco. * Corresponding author; Unit of Nephrology, Ibn Sina University. Hospital, Rabat, Morocco; E. mail: intissarhaddiya@hotmail.

KELAMCILARA GÖRE MÜNAFIK

OpenAIRE

KURT, Hasan

2006-01-01

In this work, the literary and conceptual meaning of the words hypocrisy and hypocrite are explored and the problem of hypocrisy is analyzed from the perspective of the theologians belonging to different schools of kalam. The views of such Salaf scholars as Hasan El-Basri, Malik ibn Anas, Ahmed ibn Hanbal and Abu Hanifa are introduced. Then the views of such Maturidi scholars as Imam al-Maturidi, Abu Yusr al-Bazdawi, Abu Muin al-Nasafi and Nureddin al-Sabuni are analyzed a...

[Al-Biruni--a universal scientist].

Science.gov (United States)

Kujundzić, E; Masić, I

1999-01-01

Al-Biruni's was of Persian descent. He was born in Horesmiya and had studied mathematics, history and medicine. Acquiring knowledge from these sciences, he wrote an outstanding work on chronology of several nations and devoted it to Ziyarit ruler Kabus. He made a chronological overview of calendars from many nations, including Persians, Greeks, Egyptians, Jews, Melkitian and Nestorian Christians, Sabeyaans as well as the old Arabs. Data presented in the work, according to the later authors, were taken from very reliable sources. He was contemporary of Ibn-Sina, and thanks to their friendship, they have discussed very much miscellaneous topics. He belonged to the group of scholars, taken by Gaznevian Soultan Mahmud to a long journey to India. Afterwards Al-Biruni wrote and published detailed work "Description of India"--a work on cultural history of India. Due to excellent abilities of Al-Biruni as a philosopher and scholar, there are still significant and reliable notes about buddhistic philosophy, structure of castes and Brahmans' life style. In this Al-Biruni's masterpiece, there are many comparative analysis of Suffism and certain Indian philosophical methods. Al-Biruni's most important work is "Pharmacopoeia"--"Kitab al-saydala", which brilliantly describes all medicaments. This work has been published in many languages. He also wrote few works on astronomy and astrology. In those works he has explained some astrological events through scientific approach in a such peculiar way that nobody has ever explained before. He was also interested in sciences like geology, mineralology, geography, mathematics, psychology and many others.

Race/ethnicity, socioeconomic status, and ALS mortality in the United States.

Science.gov (United States)

Roberts, Andrea L; Johnson, Norman J; Chen, Jarvis T; Cudkowicz, Merit E; Weisskopf, Marc G

2016-11-29

To determine whether race/ethnicity and socioeconomic status are associated with amyotrophic lateral sclerosis (ALS) mortality in the United States. The National Longitudinal Mortality Study (NLMS), a United States-representative, multistage sample, collected race/ethnicity and socioeconomic data prospectively. Mortality information was obtained by matching NLMS records to the National Death Index (1979-2011). More than 2 million persons (n = 1,145,368 women, n = 1,011,172 men) were included, with 33,024,881 person-years of follow-up (1,299 ALS deaths , response rate 96%). Race/ethnicity was by self-report in 4 categories. Hazard ratios (HRs) for ALS mortality were calculated for race/ethnicity and socioeconomic status separately and in mutually adjusted models. Minority vs white race/ethnicity predicted lower ALS mortality in models adjusted for socioeconomic status, type of health insurance, and birthplace (non-Hispanic black, HR 0.61, 95% confidence interval [CI] 0.48-0.78; Hispanic, HR 0.64, 95% CI 0.46-0.88; other races, non-Hispanic, HR 0.52, 95% CI 0.31-0.86). Higher educational attainment compared with socioeconomic status, birthplace, or type of health insurance. Higher rate of ALS among whites likely reflects actual higher risk of ALS rather than ascertainment bias or effects of socioeconomic status on ALS risk. © 2016 American Academy of Neurology.

Technical and structural reading on ode Alraieah of Omar ibn Abi Rabieah and its emotional characteristic

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2015-09-01

Full Text Available Abstract: This article examines the famous Rbheah ode of Omar ibn Abi With The aim of finding The Structural form and some nice features. Knowing that this ods is the most famous and longest ode of Omar and there is in it the most characteristic of his poetry in the storied format which includes elements of the short story with its modern sense and depicts a happy life of The Umayyad period particularly those aspects that relate to women. And from this perspective has become the registered office of the poet's life and Reflection for his inner emotions. The formation of discussion like the following: Discussion Started With the introduction of what it should be noted Based on the announce new version.Then Addressed in this fifth issues and termination: 1.the main Thoughts and ideas in the Ode and its position and the way in which the poet has written ode.2.The Storied Level and dialog in theOde.3.The music in the ode and role of its weighs.4.The imaging level of the Ode in reflection for the Hejaz life. 5. Structural level of the Ode and its emotional aspects. in the end, The Paper achieved some conclusions, such as: the most remarkable is that Ibn Rbia is Sensory and womanish school leader that could link the Old dialogue Soul to Our contemporary world with poeticlyrics and dialogue Fiction.He is first real poet that granted to lyric poem the numerous technical features such as storytelling and dialogue and simplifying weights to singing.and this ode became famous for High precision in the selection of words.

Research Article Special Issue

African Journals Online (AJOL)

2017-02-15

IbnAsir, 1989, vol.4, p.283) bin Qaset bin ... brother Mas'ud-bin Haritha to Medina the next year (IbnAsir, 1989, vol.4, p.284). Al-Kamil history has not ..... (1989), The News of Mecca and What Came from It, (translated by Mahmud.

Kritik al-Ghazali terhadap Kekekalan Alam

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Sahidi Mustafa

2015-09-01

Full Text Available The concept of the creation of universe offered by Neo-Platonism philosopher such as al-Kindi, al-Farabi, and Ibnu Sina are philosophical concept existed and came as an early moment of development of Islamic philosophy interrelated to God, ultimately about his Existence and Characteristics. One of the topics is how God created the universe. According to al-Farabi and Ibnu Sina, God created this universe by way of emanation in order to prevent Himself from the new attitudes. Consequently, universe has eternal feature (qadim as God as well, in the case of everything overflowed from qadim is also qadim. Al-Ghazali refuted this theory because it contradicted with al Qur’an’s thought which clearly explained that God created the entire universe. The universe should not qadim and it means that God existed in the first, and then created universe later as we know today. On the contrary, in the view of Muslim philosopher, the universe should be qadim because God created it from all eternity. For them, it is impossible that God existed by Himself without any creation before. God, according to them is impossible to be changed, so that is impossible as well if God changed from did not create yet before and then creates. Al-Ghazali persistently opposed the concept of eternity. Al Ghazali saw if this universe is qadim so it is impossible that universe created by God. The concept of qadim will led to the conclusion that universe born by itself, it was not created by God. This critique has been written by al-Ghazali in Tahafut al-Falasifah. This paper will present the concept of eternity which was discussed by al-Farabi and Ibn Sina and al Ghazali’s critique toward it as well.

The Emphasizing Metonymy and Its Relation Whit Ambiguity of Text

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Amir Saleh Masoomi

2016-05-01

holy scripture like the Quran? What is the position of this combined tool in Arabic language?   Such questions prompted us to study the validity of this linguistic phenomenon by using of descriptive-analytical method and explain its effect on perception of reader. On the basis of data of this article, the emphasizing metonymy in contrary to its illogical appearance could be an acceptable phenomenon in the tradition of Arabic language.   References   1. Holy Quran , Fuladvand, Mohammad Mahdi & Payande, Abul Qasem (trans..   2. Abouhayan, Mohamed ibn Youssef (1998. Irteshaf az-Zarab min Lisan al-Arab. Osman Mohammed Rajab and Ramadan Abdaltwab (Emend.. Cairo: Khanji library.   3. ------------------------------------------ (2001.Tafsir al- Bahr al-Mohit. Adel Ahmed Abdol-Mowjood and Ali Mohamed Moawad (Emend.. Beirut: House of scientific books.   4. Astrabadi, Radhi ad-Din Muhammad ibn al-Hasan (1996. Sharh ar-Razi al-Kafyah. Yusuf Hassan Omar (Emend.. Benghazi: University Publications of Garyounes.   5. Azhari, Muhammad bin Ahmad (2001. Tahzib al- loghah. Mohamed Awad terrifying (Emend.. Beirut: House of Revival of Islamic Heritage.   6. Farazdak, Bin Hammam Ghalib (1987. Diwan of Farazdaq. Ali Faour (Emend.. Beirut: House of scientific books.   7. Ibn Abi al-Esba, Abdul Azim ibn al-vahid (1963. Tahrir al-Tahbir fi sana'at al-sher va al-nathr va bayan ejaz alquran. Hafni Mohammad Sharaf (Emend.. Cairo: grope of Revival of Islamic Heritage .   8. Ibn Ashur, Muhammad Tahir (1997. Al-Tahrir va al- Tahbir. Tunisia: Dar Sahnoun for publication and distribution.   9. Ibn Jenni, Abul Fath Othman ibn Jenni (1952. Al-Khasa'es. Mohammad Ali al-Najar (Emend.. Beirut: Book World.   10. Jmaha, Muhammad ibn Salaam (n.d.. Tabaghat al-Fohul al-sho'ara. Mahmoud Mohamed Shaker (Emend.. Jiddah: Dar al-madani.   11. Khatib Qazwini, Muhammad ibn Abd or-Rahman (n.d.. Al-Talkhis fi Olum al-Balaghah. Abdulrahman Albrkoqa (explain. Egypt: Arab Thought House

Dos textos astrológicos conservados en el comentario al Sefer Yeṣirá de Yehudá ben Barzilay al-Bargeloní

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Sela, Shlomo

2008-12-01

Full Text Available The main object of this article is to translate, scrutinize the contents and reveal the sources of two Hebrew astrological texts embedded in the commentary on Sefer Yeṣirah composed by Yehudah ben Barzilay, the leading Rabbinic authority in Barcelona in the first half of the 12th century. The first text arises great interest because it incorporates the first ever known horoscopic chart written in Hebrew. The second text includes a miscellany of cosmological and astrological theories. The analysis of both fragments reveals the reception of astrological texts by Jewish intellectuals in the Iberian Peninsula. In contrast with Abraham bar Ḥiyya and Abraham Ibn 'Ezra, who epitomize a renovating trend couching into a Hebrew mold various aspects of Greek and Arabic science, Ben Barzilay embodies a conservative trend which exclusively relies on Jewish astrological and scientific sources.Este artículo tiene como principal propósito traducir, estudiar los contenidos y descubrir las fuentes de dos textos astrológicos hebreos conservados en el comentario al Sefer Yeṣirá de Yehudá ben Barzilay, la principal autoridad rabínica de Barcelona en las primeras décadas del siglo XII. El primer texto despierta gran interés porque incorpora el primer horóscopo documentado escrito en lengua hebrea conocido. El segundo texto incorpora una miscelánea de teorías cosmológicas y astrológicas. El análisis de ambos fragmentos revela un caso especial de recepción de fuentes astrológicas y científicas por intelectuales judíos en la península Ibérica. En claro contraste con Abraham bar Ḥiyya y Abraham Ibn 'Ezra, que encarnan una corriente renovadora orientada a verter al hebreo diversos aspectos de la astrología y ciencia griega y árabe, Yehudá ben Barzilay representa una modalidad conservadora inclinada a la utilización de fuentes astrológicas y científicas de autores exclusivamente judíos.

Sirr al-khalīqa and its influence in the Arabic and Persianate world: ‘Awn b. al-Mundhir’s commentary and its unknown Persian translation

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Mohammad Karimi Zanjani Asl

2017-03-01

Full Text Available In the Islamic period, Apollonius of Tyana (c. 15-100 CE was well known both as “Lord of the Talismans” (ṣāḥib al-ṭilasmāt and as a Neo-Pythagorean-Hermetic philosopher. In his Kitāb al-Aḥjār, Jābir b. Ḥayyān cites “the Muslim advocates of Apollonius” (aṣḥāb Balīnās al-Islāmīyūn. The reference shows that Apollonius’ most prominent work, Sirr alkhalīqa, was already famous in the Arabicspeaking world from very early on. This article gives an overview of citations of Apollonius in Islamic sources from different fields and of the works generally attributed to him. Furthermore, I review Sirr al-khalīqa, its influences on the Jābirian works and its reception in the Ismā‘īlī tradition. This article additionally discusses an Arabic commentary of Sirr al-khalīqa by ‘Awn b. al-Mundhir (4th/10th century, which is extant in a unique manuscript, and its hitherto unknown Persian translation. This Persian translation covers parts of Ibn al-Mundhir’s work not available in the Arabic excerpt and is therefore an important source for the history of Islamic alchemy. An edition of the Persian translation is given as an appendix.

THE IMPORTANCE OF THIS AND THAT: REFLECTIONS ON CONTEXT IN EARLY ISLAMIC PHILOSOPHY

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Phil Enns

2011-02-01

Full Text Available The discussion over the relationship between what is true globally and what is true locally is not new. It might be helpful, therefore, to consider issues surrounding the relationship between globalization and local values in light of previous forms of this discussion. To this end, I would like to reflect on the discussion of context in the writings of al-Farabi, Ibn Sina and al-Ghazali. To focus this paper, I will consider only three issues, namely that of history, science and the role of reason in religion. I will argue that al-Farabi and Ibn Sina present an account of context that begins with experience as a foundation and then moves to the universal, emphasizing the importance of tradition, demonstration and rationality. Against these two, al-Ghazali argues for the importance of leaving behind experience in order to reach that which is certain, emphasizing the supernatural, intuition and mystical. My goal is to draw out some implications these writers recognized followed from their often dense and esoteric discussions of the nature of particulars and universals, and conclude with some suggestions for our contemporary situation. Keywords: Knowledge, al-Ghazali, al-Farabi, Ibn Sina

CHARACTER EDUCATION OF CHILDREN'S PERSPECTIVE IBN QAYYIM AL-JAWZIYYAH (691 H - 752 H

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Makmudi

2017-11-01

Full Text Available The main problematic that caused the crisis of character in children is not making belief as basic philosophical in education. So, the implication of this is freedom of excessive euphoria. The success of the child based only from the perspective of the child's success in academic course. While the values of ethics, morals, and character less getting serious attention. Therefore, even though the students excel in intelligence quotient (IQ, but in emotional quotient (EQ they are in crisis of becoming alarming character. In this context, the existence of children's character education is considered very important for the next generation as an integral part of their life and living. The purpose of this study was to determine the thinking of Ibnu Qayyim al-Jawziyya about the concept of character education of children. The method of writing this research use library research (library research, the research done by collecting data and information by reading, studying and then analyze literatures relating to the theme, both primary (primary sources and secondary (secondary sources. Then analyzed using content analysis method (content analysis in the form of descriptive-Analytic. The results of the research in this dissertation shows that the concept of character education of children according to Ibnu Qayyim al-Jawziyya emphasis on the four major ways : 1. The importance of introducing kids about the monotheistic God, 2. The need to teach children the principal teachings of religion, 3. Teach and familiarize children on good ethics and morals, 4. Modeling, 5. Praise and meaningful punishment.

Check-up and follow-up of papillary and follicular thyroid carcinoma in the department of nuclear medicine at Ibn Sina hospital Rabat

International Nuclear Information System (INIS)

Ben Rais Aouad, N.; Ghfir, I.; Guerrouj, H.; Fellah, S.; Rahali, J.; Ksyar, R.; Missoum, F.; Bssis, A.; Azrak, S.

2009-01-01

In the department of nuclear medicine at Ibn Sina university hospital. Thyroid carcinoma follow-up strategy has been modified and includes cervical ultrasonography and thyroglobulin measurement. The role of radio-iodine scanning in the management of differentiated thyroid carcinoma is decreasing. Papillary and follicular carcinoma have good prognosis but late metastases exist and can lead to death. A lifelong follow-up is therefore mandatory. The main goal of follow-up is to detect earlier persistent or recurrent disease. (authors)

Alshamel fi Sana'at Tebbi'at: A Comprehensive Book on the Materia Medica.

Science.gov (United States)

Mosaffa-Jahromi, Maryam; Kiani, Hossein

2016-05-01

Ala-al-din abu Al-Hassan Ali ibn Abi-Hazm al-Qarshi al-Dimashqi, known as Ibn al-Nafis (1210-1288 AD), was a Muslim Syrian physician primarily famous for being the first to describe the pulmonary circulation of the blood. The most voluminous of his books is Alshamel fi Sana'at tebbi'at, which is a comprehensive medical encyclopedia. It comprised 300 volumes of notes, from which only 80 volumes are published. His writings are cataloged in many libraries around the world. The aim of this review article, as a tribute to Ibn al-Nafis, was to introduce his valuable but neglected encyclopedia of Materia Medica. Ibn al-Nafis' traditional approach in his "Alshamel fi Sana'at tebbi'at" book is studied in the present article. Alshamel fi Sana'at tebbi'at covers three branches of knowledge. The first category is devoted to theoretical traditional medicine. The second is in four sections where much of it is not available yet. The third category is on Materia Medica covering the aspect of Unani medicine, from which only 28 volumes of the comprehensive book on the traditional medicine have been found so far. The latter, introduces mono-ingredient medications in alphabetical order. Each chapter, in several parts, is dedicated to the botanical characteristics and nature of each mono-ingredient medication. In addition, this book explains traditional pharmacokinetic of every single medication for each human body organs. Based on pharmaco-mechanistic perspective on Alshamel fi Sana'at tebbi'at, it could be considered as the main reference book on traditional medicine and pharmacy, worthy of revival.

Toponimia del balad de Pamplona en la campaña de ‘Abd al-Raḥmān III del año 312/924

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Lorenzo, Jesús

2015-12-01

Full Text Available In 924 an army headed by the emir ‘Abd al-Raḥmān III crossed the border of the emerging kingdom of Pamplona and devastated its territory. Two chroniclers, ‘Arīb b. Sa‘īd and Ibn Ḥayyān, recorded in their texts the names of several of the places that were attacked. The first edition and translation of ‘Arīb’s text in the late 19th and early 20th centuries probed to be of great importance, since not only provided the basis for the appearance of some studies focused on the identification of the place-names, but it also greatly influenced the edition and translation of the Ibn Ḥayyān’s manuscript, published several decades later. Nonetheless, the comparison between ‘Arīb’s manuscript and its edition has shown important differences between the place-names that appear in both of them. The main purpose of these pages is to restore the place-names to their original handwritten form in order to make possible new hypothesis on their identification.En el año 924, un ejército dirigido por el emir ‘Abd al-Raḥmān III cruzaba las fronteras del incipiente Reino de Pamplona y sometía su territorio a devastación. Dos cronistas, ‘Arīb b. Sa‘īd e Ibn Ḥayyān, recogieron en sus textos los nombres de varios de los lugares asolados. La aparición de la edición y traducción del texto de ‘Arīb a finales del siglo XIX y principios del XX tuvo un peso muy destacado: primero, porque sirvieron de base para la aparición de estudios centrados en la identificación de los topónimos, pero además, por su influencia en la edición y traducción del texto de Ibn Ḥayyān, publicada décadas más tarde. El cotejo del texto manuscrito de ‘Arīb con su edición, sin embargo, nos ha permitido constatar que existen importantes diferencias entre los topónimos que figuran en uno y otro. El objetivo de estas páginas es el de restituir los topónimos a su forma original manuscrita a fin de posibilitar nuevas hipótesis de

Diet and dietetics in al-Andalus.

Science.gov (United States)

Salas-Salvadó, Jordi; Huetos-Solano, Maria D; García-Lorda, Pilar; Bulló, Mònica

2006-08-01

Al-Andalus society (711-1492) based its idea of health on the wisdom of Classical Greece, the Hippocratic-Galenic theories, as well as the Persian and Hindu cultures. The twelfth century in al-Andalus is considered to be the most prolific period for works of a scientific and technical nature. At the time, the main treatises on dietetics were written and this science reached its widest expression with such leading figures as Ibn Wāfīd, Avenzoar, Averroes and Maimonides, whose works revealed the first scientific knowledge on the nutritional processes of the human body. Diet was regarded as being essential for health and the prevention of disease. Dietary guidelines were written for different age groups, different body types and different seasons of the year. The amount of food to be ingested, the number of meals recommended and the order in which the food should be consumed were all issues that were discussed. A variety of foods were thought to have medicinal properties, some of which are known today. The diet in al-Andalus was varied and very probably made a substantial contribution to the origin of the present-day Mediterranean diet, rich in olive oil, wholemeal cereals, fruit and vegetables, fish, lamb, poultry, nuts and spices. We also find that many of the terms in current use in diet and agriculture are a living testimony to the Arabic influence, as are many of the dishes of our varied Mediterranean gastronomy.

Evaluating the completeness of the national ALS registry, United States.

Science.gov (United States)

Kaye, Wendy E; Wagner, Laurie; Wu, Ruoming; Mehta, Paul

2018-02-01

Our objective was to evaluate the completeness of the United States National ALS Registry (Registry). We compared persons with ALS who were passively identified by the Registry with those actively identified in the State and Metropolitan Area ALS Surveillance project. Cases in the two projects were matched using a combination of identifiers, including, partial social security number, name, date of birth, and sex. The distributions of cases from the two projects that matched/did not match were compared and Chi-square tests conducted to determine statistical significance. There were 5883 ALS cases identified by the surveillance project. Of these, 1116 died before the Registry started, leaving 4767 cases. We matched 2720 cases from the surveillance project to those in the Registry. The cases identified by the surveillance project that did not match cases in the Registry were more likely to be non-white, Hispanic, less than 65 years of age, and from western states. The methods used by the Registry to identify ALS cases, i.e. national administrative data and self-registration, worked well but missed cases. These findings suggest that developing strategies to identify and promote the Registry to those who were more likely to be missing, e.g. non-white and Hispanic, could be beneficial to improving the completeness of the Registry.

Summer students and professor from the United Arab Emirates - from left to right : Alya Ali Binghurair, Shaikha Al Kalbani, Professor Chafia Hejase de Trad, Mariam Al Hassani, Aminah Al Abdouli.

CERN Multimedia

Maximilien Brice

2004-01-01

Summer students and professor from the United Arab Emirates - from left to right : Alya Ali Binghurair, Shaikha Al Kalbani, Professor Chafia Hejase de Trad, Mariam Al Hassani, Aminah Al Abdouli.

„Der Islam begann als Fremder, und als Fremder wird er wiederkehren“

DEFF Research Database (Denmark)

Riexinger, Martin Thomas

2015-01-01

of a different ontological status to him and following Ibn Taymiyya he even affirms the historicity of the story of the cranes, implying that ʿiṣma does not mean total infallibility. By stressing both the human character of Muhammad and his military activities the author intends to demonstrate that all his...... actions which are not related to revelation, in particular the defeat of paganism, can and have to be repeated....

A philological and zoological description of the bird names given by Yāqūt al-Ḥamāwī and Zakariyāʾ al-Qazwīnī in their description of the island of Tinnīs – Part 3

DEFF Research Database (Denmark)

Provencal, Philippe

2016-01-01

This is the following up of my previous articles in Arabic Biology and Medicine: A Philological Description of the Bird Names given by Yaqut Al-Hamwi and Zakaria Al-Qazwini in their description of the Island of Tinnis. This series of articles is treating philologically and biologically the list...... of 134/135 bird names included in the descriptions of the island of Tinnīs in Lake Manzalah in the Delta of the Nile which are given by Yāqūt ibn ʿAbdullāh al-Ḥamāwī (1179-1229) in his Muʿğam al-Buldān and by Zakariāʾ b. Muḥammad b. Maḥmūd al-Qazwīnī (1203-1283) in his Cosmography, Kitāb ʿAğāʾib al...... bird names are still in use and the species in questions are well described in the classical literature. Īn order to avoid making the text of this article too long, we will only treat eleven species here. The remaining being treated in subsequent articles. For a general treating of list of bird names...

Application of Digital Terrestrial Photogrammetry in Architectural Conservation: the Mosque of Abdullah Ibn Salam of Oran

Science.gov (United States)

Boukerch, I.; Takarli, B.; Mahmoudi, R.; Tellai, S.; Chadli, D.

2016-10-01

Studies on the architectural heritage can now be supported by three-dimensional reconstruction of actual buildings. The 3D digital model can be an effective medium for documenting the current state of historic buildings but also to create a resource for researchers who conduct their analysis on historical evolution. Architectural photogrammetry has its own specifications in relation to other photogrammetric applications, however it meets these expectations. The traditional approach requires the use of metric cameras but with the development of computational techniques, this requirement is overcome and opens the way for the use of non-metric camera. The use of the shots that is no longer restricted to the parallel configuration of bundles, the images may be convergent, horizontal or oblique. Combining and modelling several cameras increasingly powerful in resolution and stability, has great scope and the same workflow can be used in varied applications. ISPRS and ICOMOS created CIPA because they both believe that a monument can be restored and protected only when it has been fully measured and documented and when its development has been documented several times, i.e. monitored, also with respect to its environment, and stored in proper heritage information and management systems. In this paper the 3D modelling of an important cultural site using terrestrial photogrammetric techniques for architectural preservation is presented. The site is the mosque of Abdullah Ibn Salam, Built in 1880 at the initiative of Simon Kanoui, also known as the Great Synagogue of Oran was inaugurated in 1918 only. It was one of the largest and most beautiful synagogues in North Africa. It was built with stone imported from Jerusalem. This place of worship became in 1975 the mosque of Abdullah Ibn Salam who was a rich Jew of Medina who was converted to Islam. The structure is modelled using 321 oriented photos taken in five series of shots that cover all the façade and the interior of

Growth hormone secretory in healthy aged women and men of ...

African Journals Online (AJOL)

STORAGESEVER

2009-05-18

May 18, 2009 ... 2Biological Laboratory, Hospital Ibn El Jazzar – Kairouan, Tunisia. Accepted 28 August ..... et al., 2001), a decrease in lean body mass (De Boer et al., 1995; Clasey et al., ..... Management of glucocorticoid replacement in adult ...

L’évaluation du syndrome du Burnout chez les médecins en formation au CHU Ibn Rochd de Casablanca

Science.gov (United States)

El Kettani, Assiya; Serhier, Zineb; Othmani, Mohammed Bennani; Agoub, Mohamed; Battas, Omar

2017-01-01

Introduction Le Burnout est très répandu en milieu hospitalier et sa gravité est encore plus accrue chez les jeunes médecins. L'objectif est de déterminer la prévalence du burnout parmi les médecins en formation (internes et résidents) au CHU Ibn Rochd de Casablanca et chercher les facteurs associés. Méthodes Étude transversale descriptive menée en 2013- 2014 auprès d'un échantillon de 300 médecins à l'aide d'un questionnaire auto-administré; le burnout était évalué par la version française du Maslash Burnout Inventory (MBI). Résultats Un total de191 médecins a participé à l'étude (taux de réponse à 63,7%) avec une prédominance féminine à 79,1% et une moyenne d'âge de 26,7ans (ET = 3). Les scores moyens des sous-dimensions du MBI: l'épuisement émotionnel, la dépersonnalisation et l'accomplissement personnel étaient respectivement de (33,7 ± 10,7), (12,2 ± 6,5) et (30,6 ± 8,3). Le burnout sévère touchait 31,8% des participants. Il était associé aux problèmes de communication au sein de l'équipe soignante (p burnout sévère (p Burnout is very widespread in the hospital setting and it becomes much more severe in young physicians. The objective of this study aims to evaluate the prevalence of burnout among doctors in training (internal and residents) at the Ibn Rochd University Hospital, Casablanca and to identify factors associated with it. PMID:28979644

Voyage au centre du monde. Logiques narratives et cohérence du projet dans la Rihla d’Ibn Jubayr

OpenAIRE

Dejugnat, Yann

2013-01-01

Le récit de voyage (rihla) d’Ibn Jubayr est une source bien connue des historiens spécialistes de la Méditerranée médiévale. Loué pour sa qualité et sa densité informative, ce texte a été abondamment utilisé comme réservoir de données de toutes natures. Mais l’œuvre en elle-même, paradoxalement, n’a pas fait l’objet de beaucoup d’études. Plus précisément, le principal défaut des recherches est de l’aborder avec une approche « trop synthétique », puisque trop générale, dont l’emploi générique ...

An Islamic Approach to Studying History: Reflections on Ibn Khaldūn’s Deterministic Historical Approach

Directory of Open Access Journals (Sweden)

Ali White

2009-12-01

Full Text Available Abstract: This paper argues that patterns exist in history, and that these can —and should — be discerned. By doing this, Muslim intellectuals will only be resuming an intellectual and spiritual journey begun over 600 years ago, by Ibn Khaldūn, who invented sociology and the scientific study of history, basing himself on the methodology of the Qur´ān. This paper examines Khaldūn’s deterministic historical approach, comparing it to the secular attempt to understand history in Karl Marx’s “historical materialism.” Khaldūn’s classification of societies (as being either based on human fiṭrah or tending towards an animal-like existence is examined and applied to current conditions. It is argued that Muslims need to learn how to use Khaldūn’s deterministic approach, critically applying it to today’s changed conditions, to contribute to the conscious creation of a new, Allah-centred global civilisation.

Mechanical Properties of Ti-6Al-4V Octahedral Porous Material Unit Formed by Selective Laser Melting

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Jianfeng Sun

2012-01-01

Full Text Available The Ti-6Al-4V octahedral porous material unit is designed to calculate its load. In this paper, ANSYS is adopted for the load simulation of the unit. And a simplified model of dimensional theoretical calculation is established, by which the analytical equation of the fracture load is obtained and the calculation of the load of Ti-6Al-4V is completed. Moreover, selective laser melting is adopted in processing the Ti-6Al-4V porous material unit. The experimental value of fracture load of this material is obtained through compression experiment. The results show that the simulation curves approximate the variation tendency of the elastic deformation of the compression curves; the curves of theoretical calculation approximate the general variation tendency; and the experimental value of fracture load is very close to the theoretical value. Therefore, the theoretical prediction accuracy of fracture load is high, which lays the foundation for the mechanical properties of the octahedral porous material.

Freedom, Sufism, maqâm hurrîyah, hâl hurrîyah.

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Ah. Haris Fakhrudi

2015-09-01

Full Text Available This paper will discuss the meaning of freedom in the discourse of Sufi thought, especially of Ibn ‘Arabî. This is based on the consideration that Sufism before Ibn ‘Arabî’s more focused on ritualistic orientation for students and only revealed variant of Sufi’s expressions, both on maqâmât and ahwâl. The presence of Ibn ‘Arabî, therefore, became the turning point in the discourse of Sufism by expressing his beliefs in the theoretical formulation. The doctrine of Sufism—which previously only implicitly contained in the words of the Sufi shaykh—in the hands of Ibn ‘Arabî flashed into an open, theoretical, and obvios and thus opened the door for anyone who has a high intelligence in reflecting at once and realizing the metaphysical theories through operational forms. Therefore, this article will discuss some of the key concepts in the thought of Ibn ‘Arabî including the meaning of freedom (al-hurrîyah in Sufism, maqâm hurrîyah, and hâl hurrîyah obtained by the Sufis during their spiritual journey.

Yunus, Abu'l-Hasan ibn (950-1009)

Science.gov (United States)

Murdin, P.

2000-11-01

Astronomer, born in Egypt, calculated trigonometric functions for use in astronomy and wrote an astronomical handbook, al-Zij al-Hakimi al-kabir, the Great Tables of Caliph al-Hakim, which contained observations made by Yunus, including 30 lunar eclipses used by SIMON NEWCOMB in his lunar theory. Yunus was also an astrologer, predicting the date of his own death in seven days' time. He made prepa...

The Islamic Ethics in the poetry of ‘Abdullah bin al-Mubarak (Arabic

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Dr. Muhammad Ismail Bin Abdul Salam

2017-01-01

Full Text Available Abstract ‘Abdullah bin al-Mubark was born in Marw’ one of the prime cities in Khurasan, (nowadays in the surroundings of Afghanistan and Central Asia, in the year 118 AH. In addition to his many talents, achievements and abilities, ‘Abdullah bin al-Mubarak was also gifted in literacy, particularly in the art of poetry. He held an eloquent tongue which was recognized by all who conversed with him and his language displayed the nature of someone who had been taught well. Most of the poetry which has been recorded from him is actually his advice to others, whether they were close friends or high-ranking Caliphs and Rulers. The topics spoken of concerned the common issues which had arisen in his time (e.g. matters pertaining to theology, politics, the worldview, the community etc and as always, they contained much wisdom and hence the books of history have sealed them and recorded them. This research article discussed Biography of Abdullah ibn Al Mubarak, The Islamic Ethics in his poetry,\tImpact of Rhetoric on his poetry with special concentration on the four kinds i.e. citation, impact of Quranic words, Quranic pictorial and Quranic style on his poetry.

The System of Divine Manifestation in The Ibn ‘Arabian School of Thought

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Seyyed Ahmad Fazeli

2011-12-01

Full Text Available One of the fundamental problems of Theoretical Mysticism is the explanation of the world as being something other than God after having accepted the Unity of Existence. This paper seeks to present, after having explained certain necessary premises, the theory of manifestation as one that can explain and analyze multiplicity.In this article we especially seek to solidify the relation of such claims to mystics in general and to the adherents of the Ibn ‘Arabian school of thought in particular. This is especially important because in some of the works of many specialists in this field we find that some unrealistic claims have been definitively attributed in to the Great Sheikh. The only way to counteract such false claims, in any field, including Theoretical Mysticism, is to make it binding upon ourselves to delve into the views of others in a cautious way. We must take the apparent meanings of the sayings of the mystics as a proof in this matter. Therefore the method of research of the writer of this article is to relate the sayings of the Great Sheikh and his commentators while commentating upon and analyzing them as well. 

A critical appraisal of 11th century treatise by Ibn Sina (Avicenna) on the anatomy of the vascular system: Comparison with modern anatomic descriptions.

Science.gov (United States)

Mazengenya, P; Bhikha, R

2018-06-01

Ibn Sina (also known as Avicenna in the West) was the most famous physician and medical scientist of the medieval era. His book, the Canon of Medicine comprised a vast collection of medical information ranging from basic medical sciences to specialised medical fields. Herein, we present an analysis of the cardiovascular system, particularly giving an in-depth comparison of the structural and functional anatomy of the arteries and veins of the body as described by Avicenna in the Canon of Medicine and comparing them to modern extant anatomical literature. Copyright © 2018 Elsevier Masson SAS. All rights reserved.

Disordered crystal structure of 20H-AlON, Al10O3N8

International Nuclear Information System (INIS)

Banno, Hiroki; Funahashi, Shiro; Asaka, Toru; Hirosaki, Naoto; Fukuda, Koichiro

2015-01-01

The disordered crystal structure of 20H-AlON (Al 10 O 3 N 8 ) was determined by combined use of X-ray powder diffraction and transmission electron microscopy. The title compound is hexagonal with space group P6 3 /mmc (Z=2) and the unit-cell dimensions are a=0.307082(5) nm, c=5.29447(8) nm and V=0.432376(12) nm 3 . The structural model showed the positional disordering of three of the six Al sites in the unit cell. The reliability indices calculated from the Rietveld method were R wp =6.97%, S (=R wp /R e )=1.68, R p =5.45%, R B =5.13% and R F =4.56%. We interpreted the disordered structure of 20H-AlON as a statistical average of six different types of ordered structural configurations, which are composed of an octahedral [Al(O, N) 6 ] layer and tetrahedral [Al(O, N) 4 ] layers. We demonstrated the high correlations between the hexagonal unit-cell dimensions and the octahedral layer concentrations for AlON and SiAlON polytypoids. - Graphical abstract: Variations of a and c/(n O +n T ) with n O /(n O +n T ). The a and c are the hexagonal unit-cell dimensions of AlON, SiAlON and AlN. The n O and n T are, respectively, the numbers of octahedral and tetrahedral layers in the unit cells. The unit-cell dimensions in literature are plotted in black plus for AlON and black cross for SiAlON. The unit-cell dimensions of AlN are a=0.3110 nm and c=0.4980 nm. - Highlights: • Crystal structure of Al10O3N8 is determined by laboratory X-ray powder diffraction. • The atom arrangements are represented by the split-atom model. • Six types of ordered atom arrangements are derived from the disordered structure. • Hexagonal unit-cell dimensions changed systematically for AlON and SiAlON compounds

United modification of Al-24Si alloy by Al-P and Al-Ti-C master alloys

Institute of Scientific and Technical Information of China (English)

韩延峰; 刘相法; 王海梅; 王振卿; 边秀房; 张均艳

2003-01-01

The modification effect of a new type of Al-P master alloy on Al-24Si alloys was investigated. It is foundthat excellent modification effect can be obtained by the addition of this new type of A1-P master alloy into Al-24Simelt and the average primary Si grain size is decreased below 47 μm from original 225 μm. It is also found that theTiC particles in the melt coming from Al8Ti2C can improve the modification effect of the Al-P master alloy. Whenthe content of TiC particles in the Al-24Si melt is 0.03 %, the improvement reaches the maximum and keeps steadywith increasing content of TiC particles. Modification effect occurs at 50 min after the addition of the Al-P master al-loy and TiC particles, and keeps stable with prolonging holding time.

Gegevens voor aanmelding van mariene Habitatrichtlijngebieden: Doggerssbank, Klaverbank, Noordzeekustzone, Vlakte van de Raan

NARCIS (Netherlands)

Bos, O.G.; Dijkman, E.M.; Cremer, J.S.M.

2008-01-01

Nederland kent een aantal gebieden met bijzondere natuurwaarden op zee, die beschreven zijn in het Alterra/RIKZ rapport van Lindeboom et al. (2005). In het Integraal Beheerplan Noordzee 2015 (IBN 2015) (Anonymus 2005) is aangekondigd dat vier van deze gebieden aangemeld zullen worden als

La geometria del còdex 80 (s. XII de la catedral de Tortosa

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Lluís i Ginovart, Josep

2015-12-01

Full Text Available The geometry in codex 80 of the Capitular Archive has traditionally been understood as a complete text and attributed to Gerbert of Aurillac (c. 940-1003. From a new reading of the text, we can say that it is a miscellaneous writing about geometry, composed of three independent parts: one containing the Geometria Incerti Auctoris apocryphical by Gerbert of Aurillac (c. 940-1003; another one is a fragment of De Nuptiis Philologiae et Mercurii by Martianus Capella (fl . 430 from Ergasticis Schematibus of Book VII of the Geometry; and finally there is a gloss to the Elementa by Euclides (c. 325-c. 265 bC. by Al-Ḥajjāj ibn Yūsuf ibn Maṭar (786-833. The interpretation of the geometrical propositions provides knowledge about the indirect measure of places which are inaccessible using medieval instrumental, the astrolabe, mirrors, cane and squares.[ct] La geometria del còdex 80 de l’Arxiu Capitular de Tortosa ha estat tradicionalment atribuïda, com un text únic, a Gerbert d’Orlhac (c. 940-1003. Una nova lectura del text ens permet assegurar que es tracta d’un text de caràcter miscel·lani de geometria, compost per tres textos independents: una part pertany a la Geometria Incerti Auctoris apòcrifa de Gerbert d’Orlhac; una altra, al fragment De Nuptiis Philologiae et Mercurii de Marcià Capella (fl . 430 Ergasticis Schematibus, del llibre VII de la Geometria; i, finalment, s’hi llegeix una glossa als Elementa d’Euclides (c. 325-c. 265 aC. d’Al-Ḥajjāj ibn Yūsuf ibn Maṭar (786-833. La interpretació de les proposicions de la geometria dóna el coneixement de la mesura indirecta de llocs als quals no es pot accedir amb l’instrumental medieval, és a dir, amb astrolabi, miralls, bastons i escaires.

The Haram al-Sharīf collection of Arabic legal documents in Jerusalem: a Mamlūk court archive?

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Müller, Christian

2011-12-01

Full Text Available This article analyses the corpus of 900 documents in the Mamlūk Haram al-Šarīf collection from the angle of archival storage. The vast majority of these documents are linked to the Jerusalem judge Šaraf al-Dīn ,Īsā b. Ġānim and to his period in office between the years 793/1391 and 797/1395. The sample of surviving documents, primarily estate inventories but also a few documents from other areas of the law within the qādī’s competence, contradicts the assumption that the Haram corpus is a systematically compiled archive of qādī records. Court certifications of real-estate sales and further transactions that are preserved for other periods within the Haram corpus are totally absent for this particular period. There is, moreover, an abundant number of documents concerning financial transactions in institutions over which the judge had jurisdiction. The necrology of the contemporary chronicler Ibn Hiğğī (d. 816/1413 opens an interesting perspective to explain the selection of documents relating to Šaraf al-Dīn, who was involved in a massive corruption case.

Este artículo analiza el corpus de 900 documentos del Haram al-Šarīf desde la perspectiva de la conservación de archivos. En su mayoría, estos documentos están relacionados con el juez de Jerusalén Šaraf al-Dīn ʻĪsā b. Gānim y con el periodo en el que se mantuvo en el cargo, entre 793/1391 y 797/1395. La muestra de documentos estudiada, sobre todo inventarios de bienes, pero también documentos relacionados con otras áreas del derecho que pertenecen a la competencia del qādī, contradicen la hipótesis de que los documentos del corpus del Haram al-Šarīf son registros del tribunal compilados sistemáticamente en un archivo. Los certificados judiciales sobre ventas de bienes inmuebles y otras transacciones que se han conservado de otros periodos en el corpus no aparecen precisamente para el periodo que va entre los años 793/1391 y

The "Prince of Medicine": Yūhannā ibn Māsawayh and the foundations of the western pharmaceutical tradition.

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De Vos, Paula

2013-12-01

This essay examines three medieval pharmaceutical treatises purportedly authored by Yūhannā ibn Māsawayh (anglicized to John Mesue) and traces their immense influence on the development of pharmacy in early modem Europe and the Hispanic world. Despite the importance of these works throughout the early modern period, Mesue is relatively unknown in the history of pharmacy and medicine, and his exact identity remains unclear. This essay argues that "Mesue" was most likely a pseudonym used by an unknown author of the Latin West and that the three works were crafted to meet the demands of the developing "medical marketplace" of late thirteenth-century Europe, where the manuscripts first appeared. At the same time, however, as the Arabic reference of the pseudonym suggests, these treatises were clearly products of the medieval Islamic world, including many innovations that would provide the basis for the theory and practice of pharmacy for centuries and arguably formed part of the artisanal epistemological influence on the Scientific Revolution.

On the Making of Local Paper

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Adam Gacek

2009-05-01

Full Text Available Cet article propose l'analyse et la traduction d'une recette de fabrication du papier provenant du Yémen au XIIIe siècle. C'est jusqu'à présent la deuxième recette de ce type en arabe qui ait été retrouvée. La première est donnée dans la 'Umdat al-kuttâb d'Ibn Bâdîs (m. 454/1062 ; celle-ci est un chapitre de la Mukhtara' fî funûn min al-ṣuna' attribuée à al-Malik al-Muẓaffar (m. 694/1294 qui explique comment fabriquer du papier à partir d'écorce de figuier et non de chanvre ou de lin comme c'est le cas dans la recette d'Ibn Bâdîs et dans les sources arabes médiévales connues jusque-là.

O pensamento crítico na proposta historiográfica de Ibn Khaldun (1332-1406: o caso da Surat da aurora

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Elaine Cristina Senko

2012-05-01

Full Text Available Inserido no campo das discussões sobre a teoria da historiografia medieval, o presente estudo tem por base uma análise do pensamento crítico defendido pelo erudito muçulmano Ibn Khaldun (1332-1406, em sua obra Muqaddimah, no que se refere ao trabalho do historiador em sua investigação do passado. Propomos, assim, averiguar o pensamento historiográfico de Khaldun, avaliando um possível resgate aos clássicos gregos e sua proposta metodológica, através de um caso específico em seu trabalho: o momento no qual o autor reflete sobre uma passagem do livro sagrado Alcorão, a Surat da Aurora, a qual, segundo ele, estava sendo mal interpretada por historiadores e comentadores da época.

The Eclectic Wing of the Mu’tazili Kalam: Ahmad b. al-Ha’it and his Abrahamic- Neoplatonic «Synthesis»

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Nofal Faris

2016-01-01

Full Text Available The present article is devoted to research in genesis and evolution of views of medieval thinker Ahmad b. al-Ha’it (d. 847. Being a unique figure for his time, Ibn al-Ha’it played a significant role in the formation of Arabic philosophy, which, unfortunately, is ignored to this day by specialists-medievalists: so, for the first time in the history of intellectual thought of the medieval Middle East, the Mu’tazilli philosopher made an attempt of an exit from a strict theologism of Kalam to the tradition, which was issued in Falsafah. Justification of the reincarnation theory within the Islamic theological field which is initially constructed on postulates of singularity and an extremity of any terrestrial human life became a separate merit of Ahmad. Along with it, the thinker attracted the arianistic doctrine, which allowed by him to develop his own Christology and ontology in neoplatonic paradigmatics. Thereby, the pupil of a great Basrian thinker Ibrahim b. Sayyar an-Nazzam anticipated the great synthesis of Kalam and Arabic peripatetizm realized by late Ash’arites — al-Ghazali (d. 505/1111, Fakhruddin ar-Razi (d. 606/1210 and ʻUdud ad-Din al-Iji (d. 756/1355.

Passive Dosimetry Of Nuclear Medicine Service Staff, Ibn Sina Hospital

International Nuclear Information System (INIS)

Sebihi, R.; Talsmat, K.; Cherkaoui, R.; Ben Rais, N.

2010-01-01

Full text: Since the implementation of Law No. 00571 of 21 Chaabane 1391 on protection against ionizing radiation and its decrees 2: 2-97-30 and 2-97-132 28 October 1997, surveillance of workers has the subject of major regulatory developments in Morocco, including individual registration delayed for dosimetry. As part of optimizing the protection of medical personnel, a dosimetric study was performed for the first time at the national level, the Nuclear Medicine Service of the Ibn Sina hospital in collaboration with the National Center for Energy Sciences and Nuclear Techniques (CNESTEN). Dosimetric monitoring was conducted for 2 weeks with the use of passive thermoluminescent dosimeters, (GR200A), covering all categories of staff. The administration of samarium (β emitter with energy substantially higher than the energies encountered in conventional nuclear medicine) has been studied, given his first service. Other cases of people concerned our study: a pregnant woman doctor, whose exposure of the unborn child must be reduced as much as possible, and a woman from a private company, working without dosimeter, handles maintenance of premises. To control the conditions imposed on all activities requiring exposure to ionizing radiation, we evaluated the dose at the extremities of operators with the use of ring dosimeters (GR200A) and the dose on the ambient environment of staff (dosimeters ALNOR). This experiment has shown exposure levels below legal limits, without been negligible for certain post. The evaluation results equivalent doses manipulators justify the wearing of dosimeter rings as a complementary dosimeter in Nuclear Medicine service and a way of controlling the normal working conditions. Finally Monitoring ambient dosimetry showed that the environment is low radiation doses. Lessons learned from this study, for the protection of personnel are as follows: from the simple awareness of staff and means of optimizing radiation can maintain a dosimetry annual

La invasión musulmana de la Península Ibérica en el año 711 y la flota de Ifriqiya

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Montenegro, Julia

2012-12-01

Full Text Available The invasion of the Visigothic Kingdom of Toledo came about through the expansion of the Muslim Empire, but the real possibility and ease with which it occurred was brought about by the pact made with Count Julian and the help of the Witizan faction. Everything seems to indicate that the Muslim fl eet of Ifriqiya did not participate initially, despite the interpretation made by some, of several references from certain Muslim authors. We believe that the ships in which Ayyash (Abbas Ibn Sharahil (Ujayl, Akhyal sailed from Al-Andalus to Ifriqiya were those that Musa Ibn Nusayr had built in vast numbers on the shores of Africa, after Tariq Ibn Ziyad set sail for the Iberian Peninsula, and which were used to send him reinforcements, so that Musa himself could cross the Straits of Gibraltar in the year 93 of the Hegira, and also to transport the spoils of war that Musa took to Tangier in the year 95 of the Hegira.

La invasión del reino visigodo de Toledo fue resultado del propio expansionismo musulmán, pero la posibilidad real y la facilidad con la que se llevó a cabo fue consecuencia del pacto con don Julián y de la ayuda de la facción witizana. Pero, desde luego todo indica que no participó en un principio la flota musulmana de Ifriqiya, pese a la interpretación que algunos hacen de varias referencias de ciertos autores musulmanes. Consideramos que los barcos en los que Ayyash (Abbas Ibn Sharahil (Uyayl, Ajyal se trasladó desde Al-Andalus hasta Ifriqiya eran los que Muza Ibn Nusayr había mandado construir en gran número en la orilla africana después de la partida de Tariq Ibn Ziyad a la península Ibérica, los cuales fueron utilizados para enviar refuerzos a éste, así como para que el mismo Muza pudiera atravesar el estrecho de Gibraltar en el año 93 de la Hégira y también para transportar hasta Tánger el botín de guerra que Muza se llevó en el año 95 de la Hégira.

75 FR 15745 - Arizona Public Service Company, et al. Palo Verde Nuclear Generating Station, Units 1, 2, and 3...

Science.gov (United States)

2010-03-30

...] Arizona Public Service Company, et al. Palo Verde Nuclear Generating Station, Units 1, 2, and 3; Exemption 1.0 Background The Arizona Public Service Company (APS, the licensee) is the holder of Facility... Generating Station (PVNGS), Units 1, 2, and 3, respectively. The licenses provide, among other things, that...

75 FR 8149 - Arizona Public Service Company, et al. Palo Verde Nuclear Generating Station, Units 1, 2, and 3...

Science.gov (United States)

2010-02-23

...] Arizona Public Service Company, et al. Palo Verde Nuclear Generating Station, Units 1, 2, and 3... NPF-74, issued to the Arizona Public Service Company (APS, or the licensee), for operation of the Palo Verde Nuclear Generating Station (PVNGS, the facility), Units 1, 2, and 3, respectively, located in...

Ajaran Pendidikan Anti Korupsi ibnu Athaillah (Menggali Nilai Pendidikan Moral-Sprititual dari Sebagian Untaian Hikmah Kitab Al-Hikam

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Zaitur Rahem

2017-12-01

Full Text Available Corruption here has been ingrained. From year to year, the number of corruption continue to grow. Spread out to various corners of the bureaucracy and social status. Some movement of the Government and tactical systemic organs do. Eradication and the fight against corruption as no betaji. Therefore, one captured, grew so many actors who perform the same action. Back to the sociological typology of Indonesian society, corruption is contrary to the cultural roots of our ancestors. Corruption odds for causing corruption in various aspects of life in Indonesia. There are so many people get hurt and become victims of corrupt practices. Perhaps, therapy metaphysical version of Ibn 'Athaillah through counsels Al-Hikam bidder will be octopus of corruption in Indonesia. At least, this wisdom can be banged strands of consciousness and the hearts of all elements of the Indonesian nation.

Sakīna: contribución a su estudio

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Tornero, Emilio

2013-06-01

Full Text Available This article explores the postkoranic evolution of the term sakīna. First, it examines what previous research has said about that. It then presents, translates, and analizes five texts—which had not been taken into consideration previously— pertaining to the Islamic and philosophical fields in which this term occurs. The texts have been taken from Ibn Ḥabīb, al-Tawḥīdī, the Arabic translation of the Golden Verses, and the two Commentaries on the Golden Verses attributed respectively to Iamblichus and Proclus. The article shows how the Koranic sakīna has evolved in these texts: it connotes pacification of violent animals in Ibn Habib, in al-Tawhidi it denotes a state close to Divinity of characters similar to Sufis: in the Golden Verses, the term sakīna is used to translate daímōn, thanks to which evils originating from innate discord among humans are eliminated; finally, the Commentaries on the Golden Verses contain explanations of this term that are both religious and rationalist.Estudio del término sakīna en su evolución postcoránica en el que se muestra, en primer lugar, lo que la investigación ha dicho sobre él, para, a continuación, presentar, traducir y analizar cinco textos pertenecientes al ámbito islámico y al filosófico en donde aparece dicho término y que no habían sido tenidos en cuenta hasta ahora. Estos textos proceden de: Ibn Ḥabīb, al-Tawḥīdī, traducción árabe de los Versos áureos, y Comentarios de Jámblico y de Proclo a estos Versos áureos. La sakīna coránica evoluciona en estos autores pasando a connotar una pacificación en los animales violentos en Ibn Habib y un estado cercano a la divinidad de caracteres próximos al de los sufíes en al-Tawhidi, mientras que en los Versos áureos se emplea sakīna para traducir daímōn, con sus efectos de eliminación de los males originados por la discordia innata a los hombres. En los Comentarios a los Versos áureos se dan explicaciones, de

Temperament determination for melatonin: A bridge from Iranian ...

African Journals Online (AJOL)

History acknowledged Ibn Sina, or Avicenna, the author of the highly skilled textbook of medicine "Al-Qanun Fi Al-Tibb" or "The Canon of Medicine", as one of the greatest physicians in medicine. According to this medical textbook, the explanation of the existence of a cold temperament for sleep was that during sleep hours, ...

BAHASA DAN IJTIHAD: Kajian Linguistik Kitab Bidayat AlMujtahid Karya Ibnu Rusyd

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Abdul Basith

2017-01-01

Full Text Available Pengetahuan tentang bahasa Arab menjadi syarat mutlak bagi seseorang yang hendak menggali hukum secara langsung dari Al qur’an dan hadits. Artikel ini bertujuan untuk menguatkan kembali pentingnya pengetahuan tentang bahasa Arab tersebut dengan mengambil kajian pada kitab Bidayat al-Mujtahid karya Ibnu Rusyd. Kitab ini tidak hanya menampilkan perbedaan pendapat para mujtahid saja, tetapi ia juga memaparkan sebab perbedaan pendapat tersebut, diantaranya yang disebabkan oleh masalah kebahasaan. Artikel ini menyimpulkan bahwa persoalan linguistik yang terdapat dalam kitab Bidayat al-Mujtahid adalah Ilmu Nahwu yang mencakup: huruf jarr, i’rab, athaf, istitsna’, fungsi al, definisi jamak dan marja’ dlamir; Ilmu Dalalah dan Ilmu Balaghah terutama yang terkait majaz (pembuangan kata dan makna kiasan dan hakikat. Perbedaan cara pandang para mujtahid terhadap masalahmasalah ini berimplikasi pada suatu hukum yang mereka tetapkan.   Knowledge  of  Arabic  is  an  absolute  requirement  for  anyone who wanted to explore the law directly from the Qur'an and hadith. This article  aims  to  reaffirm  the  importance  of  the knowledge  of  the  Arabic language  by  taking  a  study  on  the  Bidayat  al-Mujtahid  written by  Ibn Rushd. The book is not only to show dissent Mujtahid course, but he also explained  the  cause of  such  dissent,  including  that  caused  by  language problems.  The  article  concludes  that  linguistic  terms  contained  in  the book  Bidayat  al  Mujtahid  is  Nahwu  Sciences  which  includes:  letters jarr, 'i'rab, athaf, istitsna', function of hurf al, definition of jama’ and marja' dlamir;Dalalah science and science-related Balaghah especially majaz (removal of the  word  and  figurative  meanings  and  nature.

Development and status of the AL Mixed Waste Treatment Plan or I love that mobile unit of mine

International Nuclear Information System (INIS)

Bounini, L.; Williams, M.; Zygmunt, S.

1995-01-01

Nine Department of Energy (DOE) sites reporting to the Albuquerque Office (AL) have mixed waste that is chemically hazardous and radioactive. The hazardous waste regulations require the chemical portion of mixed waste to be to be treated to certain standards. The total volume of low-level mixed waste at the nine sites is equivalent to 7,000 drums, with individual site volumes ranging from 1 gallon of waste at the Pinellas Plant to 4,500 drums at Los Alamos National Laboratory. Nearly all the sites have a diversity of wastes requiring a diversity of treatment processes. Treatment capacity does not exist for much of this waste, and it would be expensive for each site to build the diversity of treatment processes needed to treat its own wastes. DOE-AL assembled a team that developed the AL Mixed Waste Treatment Plan that uses the resources of the nine sites to treat the waste at the sites. Work on the plan started in October 1993, and the plan was finalized in March 1994. The plan uses commercial treatment, treatability studies, and mobile treatment units. The plan specifies treatment technologies that will be built as mobile treatment units to be moved from site to site. Mobile units include bench-top units for very small volumes and treatability studies, drum-size units that treat one drum per day, and skid-size units that handle multiple drum volumes. After the tools needed to treat the wastes were determined, the sites were assigned to provide part of the treatment capacity using their own resources and expertise. The sites are making progress on treatability studies, commercial treatment, and mobile treatment design and fabrication. To date, this is the only plan for treating waste that brings the resources of several DOE sites together to treat mixed waste. It is the only program actively planning to use mobile treatment coordinated between DOE sites

Mencermati Sejarah Perkembangan Filsafat Islam

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A. Khudori Soleh

2014-05-01

Full Text Available Although acknowledged that Greek philosophy gave great influence on the development of Islamic philosophy, but philosophy of Islam are not based on it, because; (1 to learn does not necessarily reflect a repetition, (2 every thought is not separated from their cultural context, (3 the real fact shows that Islamic rational thinking has established before the arrival of Greek philosophy. If so, where Islamic philosophical thought come from? The answer is from the Islamic tradition itself, from scientists who attempt to explain the teachings of the Muslim holy book. There are three measures relevant to philosophical reasoning: ta’wil method, explanation of musytarak meaning, and qiyâs. In addition, the demands on theological issues, to harmonize the views that seem contradictory and complex, for further systematized it in an integral metaphysical idea. From there developed methods and philosophical thought in Islam, long before the arrival of Greek philosophy through the process of translation. First of all it was accepted because it is needed to answer new problems which require rational thinking, then it was declined at the time of Ibn Hanbal because there are certain cases which considered deviant, it was developed again in the time of al-Farabi and Ibn Sina, then rejected and considered to cause disbelief in the al-Ghazali era, and it was developed again at the Ibn Rushd, then change lanes to work together with Sufism in the time of Suhrawardi and Ibn Arabi. Finally, tradition of philosophical thought in the Sunni world does not grow up but remains develop well within the Shiite community.

La qualité bien rare de Sâlih Ibn Yahyâ parmi les historiens orientaux au Moyen Âge: Écrire l'histoire des émirs Buhtur en utilisant les archives familiales

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Pierre Moukarzel

2012-01-01

Full Text Available Sâlih Ibn Yahyâ, à la différence des chroniqueurs du xive et du xve siècle, a consacré son œuvre à écrire l’histoire de sa famille. Cet ouvrage est très important car il est fondé dans sa plus grande partie sur des archives familiales conservées par les émirs Buhtur qui ont régné sur une région du Mont Liban appelée al-Gharb.Ces archives comprennent des pièces officielles, des lettres patentes, des acts d’iqṭâ‛, des décrets, des ordres, que les émirs Buhtur ont reçus, soit de la cour d’Égypte, soit de celle de Damas, soit encore des Mongols ou des Francs.Ces pièces d’archives couvrent une période allant du xiie jusqu’au xive siècle. Leur présentation et leur analyse fournissent des informations très intéressantes sur l’usage et les règles de la rédaction dans les chancelleries des sultans zinghîdes, ayyûbîdes et des premiers sultans mamelouks.

Shaft line systems draw the line systems (Kawam Din Muhammad ibn Mohammed Hussein al-Husseini (رمح الخط في نظم رسم الخط نظم (قوام الدين محمد بن محمد حسين الحسيني

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Qassim Raheem Hassan المدرس. قاسم رحيم حسن

2011-06-01

Full Text Available We pray For Allah For Aid and Praise be to Allah, and peace be upon Muhammad and The God of the good and virtuous, and companions Almentajabin. After A. Scientists in this science a lot of acronyms and shaft line one important condensed systems in line and spelling rules which was written by Mirza strength Din Muhammad ibn Muhammad Mahdi al-Husseini Saifi Qazwini Alhily. The flag line systems of healing morphological eyebrow. Finished their Isfahan years (1123 AH and explained disciple famous with Mawla Mohsen and Alnhoi Qazwini. He called his explanation (font calendar not only governing the organized aware the systems in all branches of knowledge Fenrah regulated in the account (Account Summary and (systems message astrolabe In fiqh (systems Includes index In praise (Ithnaa Ashraat in Madaih In ethics him Orjosp has Orjosp in jurisprudence has Orjosp in the statement has Orjosp in intonation has Orjosp modulated with Orjosp in equalizer and Altrajih name of justice and charity has Orjosp in census Quran and some rules of Quran has Orjosp in exchange has Orjosp has Orjosp in as he has a cabinet Saifi Qazwini has Alchukaat almonzomma and Nozim Zobdat Alssol with the statement in the science system.

The Arabs and the science of population distribution.

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Al-alwani, M

1982-01-01

Before the establishment of demography as a scientific discipline, Arab writers had developed and utilized demographic principles in their scientific writings about geography. Early Arab advances in demographic thought, especially in regard to population distribution, were discussed. (All dates were given as anno Hegira (AH), i,e., the dates accord with the Muslim calendar in which the 1st year coincides with Mohammed's flight from Mecca in 622). As early as the 2nd century Hegira, a number of historical writers mentioned population movements, and Arab rulers conducted censuses of conquered areas; however, it was not until the 3rd century Hegitpra that population distribution was treated in a scientific manner. During that century Al-Jahiz made the 1st scientific observation when he noted the importance of enviromental influences on the distribution and disposition of people, and Al-Razi noted that when people came together in large groups they divided up functions between themselves, i.e., he identified the division of labor hundreds of years before Adam Smith. Between 300-900 AH many other writers utilized demographic principles in their writings, but the major contributions to demographic thought were made by Ibn Khaldun (732-800AH) and elaborated by his followers Al-Maqrizi (766-845 AH) and Ahmed Ibn Al-Dalji (770-838 AH). Although scholars recognize the contributions of Ibn Khaldun to sociology and philosophy, little attention is paid to his writings in demography. Ign Khaldun was the 1st to recognize the importance of examining socioeconomic development from a demographic perspective. Many of his writings dealt with the impact of population on socioeconomic factors. Ibn Khaldun estimated that only 1/4 of the world's area was inhabited; modern day estimates are that 30% of the earth's surface is inhabited. He divided the inhabited areas of the then known earth into 7 regions and observed that the population was distributed unevenly in these areas. In his

75 FR 53985 - Arizona Public Service Company, et al., Palo Verde Nuclear Generating Station, Unit 3; Temporary...

Science.gov (United States)

2010-09-02

... NUCLEAR REGULATORY COMMISSION [Docket No. STN 50-530; NRC-2010-0281] Arizona Public Service Company, et al., Palo Verde Nuclear Generating Station, Unit 3; Temporary Exemption 1.0 Background Arizona Public Service Company (APS, the licensee) is the holder of Facility Operating License No. NPF-74, which...

Shihabutdin Marjani on the Golden Horde

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I.M. Mirgaleev

2018-03-01

Full Text Available Research objectives: The publication of the Russian translation of the section on the history of the Golden Horde from the work of Shihabutdin Marjani, “Mustafad al-akhbar fi akhvali Kazan va Bulgar” (Information Related to the History of Kazan and Bulgar. Research materials: This Russian translation of the section on the Golden Horde history from the well-known work of Sh. Marjani “Mustafad al-akhbar fi akhvali Kazan va Bulgar” is presented to the attention of specialists. This section was earlier excluded from the 1989 edition for ideological reasons. A translation of the first volume of this book in the Russian edition of 2005 turned out to be substandard. This section was also published in 2008 in the modern Tatar language. The authors decided to publish this work now in consideration of the fact that the 200th anniversary of Sh. Marjani’s birth will be celebrated this year. In his work, Sh. Marjani used many written sources by such authors as Rashid al-Din, Ibn Khaldun, Ibn Battuta, Mirkhond, Abu al-Ghazi, Ibn Arabshah, and others. He also used numismatics and epigraphic data, written documents, and historical legends. According to Sh. Marjani, the Golden Horde state became one of the greatest states of the Middle Ages. He pointed to the decline of education and culture, internal strife and feuds, and invasions of external enemies as the main causes for the dissolution of the Golden Horde. Research results and novelty: This work which the founder of Tatar historiography, Sh.Marjani, dedicated to the Golden Horde history will now be introduced into the present scholarly discussions.

“Who Began This Art? From Whence Did It Emerge?”: A Hermetic Frame Story on the Origins of Alchemy in Pseudo-Ibn Waḥshīya’s The Book of the Ziziphus Tree of the Furthest Boundary

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Christopher Braun

2017-03-01

Full Text Available This paper explores the context of a Hermetic frame story in the pseudepigraphical alchemical treatise The Book of the Ziziphus Tree of the Furthest Boundary (Kitāb Sidrat almuntahā. The treatise is attributed to a prominent figure in the Arabic occult sciences, Abū Bakr b. Waḥshīya (fl. first half of the 4th/10th century. It was written in the form of a dialogue between the protagonist, Ibn Waḥshīya, and an alchemist from the Islamic West, al-Maghribī al-Qamarī. The last section of the introductory dialogue between these two characters consists of a frame story on the origins of alchemy and a legend of discovery (Fundlegende that introduces a cosmogony and an allegorical depiction of the process of transmutation. Both the frame story and the legend of discovery abound in Hermetic motifs and topoi known from other Greek and Arabic alchemical treatises. The exposition of the different prevailing theories on the beginnings of alchemy reflects, moreover, historical phenomena, such as the Graeco-Arabic translation movement and the shu‘ūbīya controversy. Consistent with the literary tradition of the Arabic Hermetica, Ancient Egypt emerges in this treatise as the cradle of alchemy; however, I suggest that more than merely literary convention, such evocations express a genuine fascination with Ancient Egypt and its surviving material culture. In this respect, the littleknown genre of Arabic books on hidden treasure might shed new light on common Hermetic narratives and their circulation in Arabic occult literature.

Holding or Breaking with Ptolemy's Generalization: Considerations about the Motion of the Planetary Apsidal Lines in Medieval Islamic Astronomy.

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Mozaffari, S Mohammad

2017-03-01

Argument In the Almagest, Ptolemy finds that the apogee of Mercury moves progressively at a speed equal to his value for the rate of precession, namely one degree per century, in the tropical reference system of the ecliptic coordinates. He generalizes this to the other planets, so that the motions of the apogees of all five planets are assumed to be equal, while the solar apsidal line is taken to be fixed. In medieval Islamic astronomy, one change in this general proposition took place because of the discovery of the motion of the solar apogee in the ninth century, which gave rise to lengthy discussions on the speed of its motion. Initially Bīrūnī and later Ibn al-Zarqālluh assigned a proper motion to it, although at different rates. Nevertheless, appealing to the Ptolemaic generalization and interpreting it as a methodological axiom, the dominant idea became to extend it in order to include the motion of the solar apogee as well. Another change occurred after correctly making a distinction between the motion of the apogees and the rate of precession. Some Western Islamic astronomers generalized Ibn al-Zarqālluh's proper motion of the solar apogee to the apogees of the planets. Analogously, Ibn al-Shāṭir maintained that the motion of the apogees is faster than precession. Nevertheless, the Ptolemaic generalization in the case of the equality of the motions of the apogees remained untouchable, despite the notable development of planetary astronomy, in both theoretical and observational aspects, in the late Islamic period.

AL-USRCRN Station Information

Data.gov (United States)

National Oceanic and Atmospheric Administration, Department of Commerce — Documentation of United States Alabama Regional Climate Reference Network (AL-USRCRN) installations in 2006. Installations documented are for AL-USRCRN pilot project...

AWAL RADIKALISME ISLAM: PENYEBAB KEMUNCULAN KHAWA

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Ahmad Choirul Rofiq

2014-05-01

Full Text Available In Islamic history, the emergence of khawarij is considered to be the first seed of Islamic radicalism. Studies on this radical group cannot be separated from the period of early Islam when it emerged. As a political movement and school of theology, this group was shaped by the social and political constellations in its time.  This article traces the historical root of this early radical group in Islam. Historians argue that the birth of khawarij was caused by political cleavage and tension upon Caliph Ali ibn Talib and Muawiya ibn Sufyan friction. However, the embryo of khawarij was in fact discovered during the time of the Prophet represented by Dhu al-Khuwaysirah in the course of the post Hunayn War. Various factors spurred the rise of khawarij, ranging from geographical factor, fanaticism, Shiffin War to provocation from Abd Allah ibn Saba’. Khawarij developed as one major stream in Muslim theology and broke into several extreme and radical splinter groups. The development of khawarij covers three phases: religious thought, political movement and political power.Keywords: khawarij, developmental phase, opposition

El nombre Al ŶamīI y la Presencia de la Belleza

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Pablo Beneito

2013-11-01

Full Text Available Beauty, according to Ibn Arabi, is pronounced to men in two ways: on one hand, by the elevation and power of the divine presence, named Majesty of Beauty, which we must respond through a spiritual state of privacy to accomplish balance during both contemplation and a correct apprehension; on the other hand, through proximity, aspect of Beauty, that should be received with fear for a proper response to God's expansion towards us, achieving in consequence, our gathering with Him. Those who love because of the divine love, contemplate the wisdom echoed in both: the universe as well as in themselves. Ibn Arabi also explained the application of these names to the reading of the Koran. The Prophet sustained the importance of spiritual embellishment achieved by a correct conduct and the contemplation of Beauty, this last one characterized by making all things likable and knowledgeable. Everything is inclined to be self loved, but this is only possible because of Reality's divinity; since God created the world to His image, it is considered as a mirror in which He contemplates and loves Himself.

'Media-aandacht is cruciaal': Arnold van Vliet : wetenschapper voor het publiek

NARCIS (Netherlands)

Kleis, R.; Vliet, van A.J.H.

2014-01-01

Van Vliet ontdekte de kracht van citizen science al in zijn studententijd in Wageningen. ‘Voor een afstudeervak bij het IBN, nu Alterra, kwam ik in contact met de archieven van het Nederlands Fenologisch Waarnemingsnetwerk. Stapels ordners met waarnemingen van mensen sinds 1868. Bij analyse van die

Islamic medicine and evolutionary medicine: a comparative analysis.

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Saniotis, Arthur

2012-01-01

The advent of evolutionary medicine in the last two decades has provided new insights into the causes of human disease and possible preventative strategies. One of the strengths of evolutionary medicine is that it follows a multi-disciplinary approach. Such an approach is vital to future biomedicine as it enables for the infiltration of new ideas. Although evolutionary medicine uses Darwinian evolution as a heuristic for understanding human beings' susceptibility to disease, this is not necessarily in conflict with Islamic medicine. It should be noted that current evolutionary theory was first expounded by various Muslim scientists such as al-Jāḥiẓ, al-Ṭūsī, Ibn Khaldūn and Ibn Maskawayh centuries before Darwin and Wallace. In this way, evolution should not be viewed as being totally antithetical to Islam. This article provides a comparative overview of Islamic medicine and Evolutionary medicine as well as drawing points of comparison between the two approaches which enables their possible future integration.

Alhacén: una revolución óptica

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González-Cano, Agustín

2015-10-01

Full Text Available Ibn al-Haytham (Alhazen represents a turning point in the history of Optics, as a key figure in the development of optical theory and an outstanding scientist. Here we summarize his main contributions and their significance, with particular emphasis on Ibn al-Haytham’s reconsideration of the role of light in vision and the intromission model he proposed.Alhacén es un punto de inflexión en la historia de la Óptica, uno de los nombres clave en el desarrollo de las teorías ópticas y un personaje de gran talla científica. Se pasa revista aquí a su figura, a sus principales aportaciones y la trascendencia de esas aportaciones. En particular, se pone el énfasis en el replanteamiento que Alhacén hace del papel de la luz en la visión y en el modelo intromisivo que propone para esta última.

Tetragonal phase in Al-rich region of U-Fe-Al system

International Nuclear Information System (INIS)

Meshi, L.; Zenou, V.; Ezersky, V.; Munitz, A.; Talianker, M.

2005-01-01

A new ternary aluminide U 2 FeAl 20 with the approximate composition Al-4.2at% Fe-8.5at% U was observed in the Al-rich corner of the U-Al-Fe system. Transmission electron microscopy and electron microdiffraction technique were used for characterization of the structure of this phase. It has a tetragonal unit cell with the parameters a=12.4A and c=10.3A and can be described by the space group I4-bar 2m

Studi Filologis Sharh Isagoge: Menelusuri Logika Aristotelian di Kalangan Muslim Klasik

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Koes Adiwidjajanto

2015-10-01

Full Text Available This article puts emphasis on Daljî, one of traditional Muslim scholars, about his writing “Ta‘lîqât ‘alâ Sharh Shaykh Islâm Zakarîyyâ al-Ansârî li Matn Isaghuji”, with philological approach. Such approache has been widely known in Islamic world as tahqîq al-nusûs, which focuses on presenting part of the text readable in different time and context, so it can be used and read in accordance with writer’s intention. What important from Daljî’s contribution in the study of traditional Aristotelian logic (mantiq is that his defense on this study has firm position, whereas another Sunnî Traditionalist especially the people who was known as Ahl al-hadîth like Ibn Salâh and Ibn Taymîyya considered it as innovation according to the authoritative Islamic teachings. In his ta‘lîq, Daljî followed the previous Muslim Scholar in writing logical method that was considerably known amongst its experts. The topics discussed in this study deal with explanations on kulliyât (generals, qadâyâ (prepositions, al-‘aks wa al-tanâqud (the contradictions, on qiyâsât (syllogism, on rhetoric and poetics.

Multistable Perception and the Role of the Frontoparietal Cortex in Perceptual Inference

NARCIS (Netherlands)

Brascamp, Jan; Sterzer, Philipp; Blake, Randolph; Knapen, Tomas

A given pattern of optical stimulation can arise from countless possible real-world sources, creating a dilemma for vision: What in the world actually gives rise to the current pattern? This dilemma was pointed out centuries ago by the astronomer and mathematician Ibn Al-Haytham and was forcefully

intensity continuous training on lung function and cardiorespiratory ...

African Journals Online (AJOL)

African Health Sci

exercise, Faculty of Medicine Ibn El Jazzar, University of Sousse, Tunisia. 4. Research Unit (EM2S) .... normolipidemic (fasting triglycerides<1.7 mmol/L), nonobese. ...... Effects of intermittent and continuous training on the blood pressure of ...

Sleep apnea syndrome: experience of the pulmonology department in Ibn Sina Hospital, Rabat, Morocco.

Science.gov (United States)

Jniene, Asmaa; el Ftouh, Mustapha; Fihry, Mohamed Tawfiq el Fassy

2012-01-01

Sleep apnea syndrome is a highly prevalent disorder that is still underdiagnosed and undertreated and whose obstructive form is the most common. The diagnosis is suspected on clinical signs collected by interrogation and questionnaires (Berlin questionnaire and Epworth sleepiness scale), then confirmed by objective sleep study findings (polygraphy or polysomnography). It is necessary to conduct studies in each context on the characteristics and management of sleep apnea syndrome comprising the testing of reliability of the questionnaires. Prospective and descriptive study of 104 patients addressed to sleep consultation at pulmononology Department of Ibn Sina Hospital, Morocco over a period of 5 years (January 2006 to December 2010), agreed to participate in the study, responded to a predetermined questionnaire, and benefited from clinical examination and paraclinical tests including a polygraphy or a polysomnography 59(56.7%) patients had an obstructive sleep apnea-hypopnea syndrome with a similar prevalence in both sexes. 32.2% of patients were obese and 28,8% had cardio-vascular diseases. Snoring, excessive daytime sleepiness and witnessed apnea were found in respectively 79.7%, 50.8% and 16.9%. Berlin questionnaire and Epworth sleepiness scale had an acceptable internal consistency against apnea hypopnea index with a Cronbach's alpha coefficient respectively 0.79 and 0.78. Depending on severity, clinical impact and results of investigations, the adequate treatment has been proposed based on the 2010 recommendations for clinical practice. This study has provided an idea about the profile and the management of patients having an obstructive sleep apnea-hypopnea syndrome and showed that both Berlin questionnaire and Epworth sleepiness scale are two simple and reliable methods in our context. A larger and further study across the country should be considered.

Nurturing the Salafi Manhaj: A Study of Salafi Pesantrens in Contemporary Indonesia

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Wahid, D.

2014-01-01

This study is about the role of Salafi Pesantrens (Islamic boarding schools) in Salafi da’wa in Indonesia. A Salafi pesantren is a pesantren that teaches Salafism which mostly derives from the works of Muhammad ibn ‘Abd al-Wahhab, the founder of Wahhabism in Saudi Arabia. Salafi pesantrens started

Al-Mar’ah fi al-Qur’ân ‘Inda Ibn ‘Asyûr fi Tafsîrih (Dirâsah ad-Dilâlah al-Qur’âniyyah

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Ali Mahfuz Munawar

2017-07-01

Full Text Available Al-Mar’ah in the Qur’an was one of the main discussions among Muslim scholars and mufassirin, either seen from the position level or the role of their life. There are various studies about Al-Mar’ah in the Qur’an, also the term that is used for the context of mar’ah, including imro’ah and nisa’. Centuries ago, a large number of orientalist placed the Qur’an as the main study, which had never been separated from Jewish analogy. In fact, the most Muslims had been incited by their digression of thought. So, the prominent Muslim scholar and the contemporary mufassir, namely Ibnu’Asyur tried to straighten the anconformity assumption of orientalist in accordance to the Divine Revalation of God and Islamic teaching. Ibnu ‘Asyur’s thought about “imro’ah and nisa” according to the semantic Qur’an study based on dalil naqly and aqly on his tafsir. Thus, the interpretation is very oriented to the study of language depth. The term "imroah and an-nisa" according to the interpretation described by Ibnu 'Asyur has a different meaning between them. The term "imroah" has a more specific meaning than "an-nisa", also devoted to the two writing styles, ta' ta'nits or ta 'maftuhah ( which is more oriented to have the meaning "wife" or idzofah on the name of her husband which is written afterwards, and the writing with ta 'marbuthoh ( is used for 4 types of mar'ah they are barren women, old women, widow, and unmarried women. While for term "an-nisa" is a plural form of "imroah" which is dissaproved from the ashlu-l-kalimah, on the meaning women or adult female. The term “an-nisa” is a general word which has no purpose into specific meaning, but has a variety of meanings such as wives, mothers, women menstruated, and others according to the context of the sentence in the verses.

Comparison of a fluorometric assay kit with high-performance liquid ...

African Journals Online (AJOL)

Joint Unit of Research in Nutrition and Food Sciences, URAC 39, Ibn Tofail University-CNESTEN. 2. Ministry of ... The methods used to assess vitamin A status include clinical signs ..... analysis of vitamin A in human and cow milk. Sight and.

Konsepsi Negara Menurut M. Natsir: Tinjauan Dari Perspektif Pemikiran Politik Islam

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Amin Suyitno

2015-10-01

Full Text Available This research paper discusses about the perspective of M. Natsir on state conception. He was chosen as a figure in this study since he is well known not only as an initiator of Islamic and state conception but also as a main actor in implementing his ideas. This paper summarizes that Islam and a state has an integrally related symbiosis. Religion needs a state, and vice versa. Based on Natsir, Islam is a complete school that contains not only worship but also some aspects such as the field of state. Thus, the establishment of a state is a blessing. Nevertheless, the state is only an instrument, not an objective. On that basis, a head of a country does not need to be titled as a kholifah, but  a president or the others. The important thing is that his characteristics and obligations are in accordance with Islamic values. Seen from his argument construction in some ways, Natsir follows the ideas of Ibn Taimiyah with regard to the urgency of state inevitability. He is also in line with Ibn Khaldun who compares society with the state. Overall, his perspective is influenced by the political perspectives of not only classical Muslims such as al-Mawardi and al-Ahkam al-Sulthaniyya, but also modern Muslims such as al-Maududi and al-Afgani.

TAUHID DAN ETIKA LINGKUNGAN: Telaah atas Pemikiran Ibn ‘Arabī

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Ahmad Munji

2016-03-01

pola sikap; pola sikap adalah konsep dasar dari sebuah perilaku seseorang; hubungan antara Tauḥīd dan pola perilaku (‘amal. ‘Amal merupakan cerminan yang sangat kongkrit. Dari sini pola ini dapat digambarkan sebagai berikut: Tauḥīd menghasilkan etika, dan etika menghasilkan perilaku (‘amal. Pola hubungan ini dalam kehidupan riil dapat dilihat, antara lain, bagaimana manusia berinteraksi dengan makhluk-makhluk Tuhan yang lain (lingkungan. Keywords: Tauḥīd, ‘amal, ethic, Ibn ‘Arabī, Allāh, enviromenment.

Pandangan al-Qur’an tentang Makna Jâhilîyah Perspektif Semantik

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Luthviyah Romziana

2015-09-01

Full Text Available This article will examine the meaning of the word in the Koran jâhilîyah mentioned as many as 24 verses in 17 letters with various forms of the semantic approach. This approach is an option given the existence of this word has been around since pre-islamic Arab past, as evidenced by the presence of all jâhilîyah lyric. In addition, the commentators also provide a diverse meaning to the word. Ibn Jarîr al-T{abarî that in fact as a classical commentators, stating that the meaning of the word refers jâhilîyah person who has committed a disgraceful act or any person who commits sin intentionally. While Sayyid Qutb see it as the opposite of ‘ilm and ma‘rifah. In view of Quraish Shihab is jâhilîyah is not only opposed to the word ‘ilm but also in the sense of losing control of himself, so that actors do things that are not fair, either at the instigation of appetite, temporary interests, or parochialism. Many differences of opinion about the meaning of the word jâhilîyah, interesting to study further with semantics as analysis approach

The light of the world astronomy in Al-Andalus

CERN Document Server

Ibn Nahmias, Joseph

2016-01-01

This book contains an edition--with an extensive introduction, translation and commentary--of The Light of the World, a text on theoretical astronomy by Joseph Ibn Nahmias, composed in Judeo-Arabic around 1400 C.E. in the Iberian Peninsula. As the only text on theoretical astronomy written by a Jew in any variety of Arabic, this work is evidence for a continuing relationship between Jewish and Islamic thought in the late fourteenth and early fifteenth centuries. The text's most lasting effect may have been exerted via its passage to Renaissance Italy, where it influenced scholars at the Univer

Ibn Arabi, Malami-Bayrami Dervish Order and the 17th Century Ottoman Balkans / İbn Arabî, Melamî-Bayrâmî Tarikatı ve 17 Yüzyılda Osmanlı Balkanları

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Ali Efdal Özkul

2017-12-01

Öz Muhyuddîn ibn ‘Arabi’nin (ö. 1240 Osmanlı İmparatorluğu’nun entelektüel hayatında bıraktığı manevi mirası üzerine tartışmalar 17. yüzyılın ilk on yılında zirveye ulaşmıştır. İbn-i Arabi’nin öğretilerinde, Şeyh-i Ekber’in eserinin en fazla etki bıraktığı tarikatların (özellikle Halvetî ve Bayrâmî üyelerinin, ilgili diyalogda en önde gelenler arasında olmaları gayet doğaldır. Söz konusu dönem Melamî-Bayramî tarikatının devlet otoritesi ve ulema ile barışma teşebbüsüne denk gelmekteydi. Adı geçen tarikatın itibar kazanmasında Hamza Bali’nin halifesi Hasan Kabaduz (ö. 1601’un Balkan asıllı müritleri olan Hüseyin Lamekani (ö. 1625 ve Abdüllah Bosnevi (ö. 1644 önemi büyüktür. Ibn ‘Arabi’nin Osmanlı Devleti’ndeki çağdaşları arasında vahdet-i vücûdun en önemli savunuculardan sayılan Abdüllah Bosnevî, İbnü ‘l-Arebî’nin başyapıtı Fusûsu‘l-Hikem’ın şarihi olarak alelumum ün kazanmıştır.

Imagining Defeat: An Arabic Historiography of the Crusades

Science.gov (United States)

2007-03-01

reduced to eating carrion .”45 Of the taking of Jerusalem and the oft referenced massacre of its inhabitants, while Ibn al-Qalanisi does relate the tale...for raw silk, and again in the mid-century when the domestic French raw silk production was hit by silkworm disease .50 The silk trade and the

The stratigraphic record of Khawr Al Maqta, Abu Dhabi, United Arab Emirates

Science.gov (United States)

Lokier, S. W.; Herrmann, S.

2012-04-01

Well-constrained modern depositional analogues are vital to the development of accurate geological reservoir models. The development of realistic hydrocarbon reservoir models requires the application of high-precision, well-constrained outcrop and sub-surface data sets with accurately-documented facies geometries and depositional sequence architectures. The Abu Dhabi coastline provides the best modern analogue for the study of ramp-style carbonate depositional facies akin to those observed in the sub-surface reservoirs of the United Arab Emirates (UAE). However, all previous studies have relied on temporally limited surface datasets. This study employed thirty five shallow subsurface cores spanning the width of the Khawr Al Maqta - the narrow shallow tidal channel that separates Abu Dhabi Island from the mainland. The cores were taken over a transect measuring 1.2 km in length by 50 m wide thus providing a high-resolution record of sub-surface facies geometries in a stratigraphically complex setting. Geometries in these Pleistocene to Holocene facies are complex with interdigitating, laterally heterogeneous carbonate, siliciclastic and evaporite units represented throughout the area of the study. Carbonate facies range from molluscan rudstones to marls and are all indicative of deposition in a shallow, relatively low energy marine setting akin to that seen in the environs of Abu Dhabi Island today. Texturally mature quartz sands occur as thin lenses and as thin cross bedded or laminated horizons up to twenty five centimetres thick. Glauconitic mudstones are common and locally exhibit evidence of rootlets and desiccation cracks. Evaporites are present in the form of gypsum occurring as isolated crystals and nodules or as massive chicken-wire units in excess of three metres thick. All of these textures are consistent with evaporite development in the shallow subsurface. Early, shallow-burial diagenesis has been important. Bioclasts are pervasively leached throughout

Quasi-Unit-Cell Model for an Al-Ni-Co Ideal Quasicrystal based on Clusters with Broken Tenfold Symmetry

International Nuclear Information System (INIS)

Abe, Eiji; Saitoh, Koh; Takakura, H.; Tsai, A. P.; Steinhardt, P. J.; Jeong, H.-C.

2000-01-01

We present new evidence supporting the quasi-unit-cell description of the Al 72 Ni 20 Co 8 decagonal quasicrystal which shows that the solid is composed of repeating, overlapping decagonal cluster columns with broken tenfold symmetry. We propose an atomic model which gives a significantly improved fit to electron microscopy experiments compared to a previous proposal by us and to alternative proposals with tenfold symmetric clusters. (c) 2000 The American Physical Society

Sequelles de Brulures au Centre Hospitalier Universitaire Ibn Rochd de Casablanca: Aspects Epidemio-Cliniques

Science.gov (United States)

Chafiki, N.; Fassi Fihri, J.; Boukind, E.H.

2007-01-01

Summary Il s'agit d'une étude épidémiologique des séquelles de brûlures à propos de 100 cas colligés au service de chirurgie réparatrice et de brûlés du centre hospitalier universitaire Ibn Rochd (Casablanca). Les adultes représentent 55% de la population étudiée, l'âge moyen global est de 20 ans. Le sexe féminin est le plus touché avec 61% des cas. Les brûlures survenues à domicile sont les plus fréquentes avec 80%. L'agent causal le plus incriminé est la petite bouteille de butane avec 44,4%. Plus de la moitié de la population brûlée (55%) sont accueillis initialement au niveau d'hôpitaux régionaux. Le délai de cicatrisation moyen de 7 mois et 11 jours et par conséquent les séquelles mineures (dyschromie dans 90% des cas et prurit dans 49% des cas) et majeures (rétractions dans 86% et l'hypertrophie dans 51%) sont fréquentes. La répartition globale des séquelles montre une prédominance du segment cervicocéphalique avec 89% des cas et des membres supérieurs dans 82% des cas. Les différents aspects anatomocliniques essentiels ont été décrits au niveau de chaque segment corporel. Nos résultats ont été comparés aux données de la littérature, ce qui nous amène à considérer qu'une large campagne de prévention couplée à une meilleure prise en charge initiale, précoce, bien conduite et multidisciplinaire permet non seulement de réduire le nombre de séquelles mais aussi de diminuer leur sévérité. PMID:21991060

El nombre Al ŶamīI y la Presencia de la Belleza

OpenAIRE

Pablo Beneito

2013-01-01

Beauty, according to Ibn Arabi, is pronounced to men in two ways: on one hand, by the elevation and power of the divine presence, named Majesty of Beauty, which we must respond through a spiritual state of privacy to accomplish balance during both contemplation and a correct apprehension; on the other hand, through proximity, aspect of Beauty, that should be received with fear for a proper response to God's expansion towards us, achieving in consequence, our gathering with Him. Those who love...

͗Iggeret ha-musar: estudio preliminar, edición y traducción de un pseudo-Aristóteles hebreo

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Salvatierra Ossorio, Aurora

2013-06-01

Full Text Available In this article we offer a preliminary approach to Iggeret ha-Musar along with a critical edition based on sixteen manuscripts and a Spanish translation of this text attributed to Yehudah al-Ḥarizi (12th -13th c.. This Hebrew version, surprisingly widespread in Jewish circles, brings together ethical reflections from the famous Egyptian physician ͗Alī Ibn Riḍwān (10th c. and a supposed letter from Aristotle which is at the core of this work. This heterogeneous text, preserved in at least thirty-six manuscripts, contains an interesting amalgam of materials intended to provide a code of conduct based on universal principles.En este artículo se ofrece un estudio preliminar, la edición crítica basada en dieciséis manuscritos, y la traducción castellana de ͗Iggeret ha-musar atribuida a Yehudá al-Ḥarizí (siglos XII-XIII. Este texto hebreo, de extraordinaria difusión en círculos judíos, reúne reflexiones y enseñanzas del conocido médico egipcio ͗Alī Ibn Riḍwān (siglo X junto a una supuesta carta de Aristóteles que constituye el núcleo del escrito. Conservado en al menos treinta y seis manuscritos, este heterogéneo texto reúne materiales de muy diversa procedencia con los que se pretende proporcionar códigos de conducta basados en principios universales.

Pre-modern Islamic medical ethics and Graeco-Islamic-Jewish embryology.

Science.gov (United States)

Ghaly, Mohammed

2014-02-01

This article examines the, hitherto comparatively unexplored, reception of Greek embryology by medieval Muslim jurists. The article elaborates on the views attributed to Hippocrates (d. ca. 375 BC), which received attention from both Muslim physicians, such as Avicenna (d. 1037), and their Jewish peers living in the Muslim world including Ibn Jumay' (d. ca. 1198) and Moses Maimonides (d. 1204). The religio-ethical implications of these Graeco-Islamic-Jewish embryological views were fathomed out by the two medieval Muslim jurists Shihāb al-Dīn al-Qarāfī (d. 1285) and Ibn al-Qayyim (d. 1350). By putting these medieval religio-ethical discussions into the limelight, the article aims to argue for a two-pronged thesis. Firstly, pre-modern medical ethics did exist in the Islamic tradition and available evidence shows that this field had a multidisciplinary character where the Islamic scriptures and the Graeco-Islamic-Jewish medical legacy were highly intertwined. This information problematizes the postulate claiming that medieval Muslim jurists were hostile to the so-called 'ancient sciences'. Secondly, these medieval religio-ethical discussions remain playing a significant role in shaping the nascent field of contemporary Islamic bioethics. However, examining the exact character and scope of this role still requires further academic ventures. © 2013 John Wiley & Sons Ltd.

How the Mamluk Sultan Addressed the Golden Horde’s Khan. The Form of Letters and Rules for Their Compilation

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Marie Favereau

2018-03-01

Full Text Available Research objectives: To study some questions of form and protocol by which the Mamluks were guided in their “written relations” with the Chinggisids of the Golden Horde. To determine the degree of mutual influence between Turkic, Mongol and Arabic epistolary practices of this period. Research materials: Examples from the clerical manuals of the three major writers of the Mamluk sultanate: Ibn Fadl Allah al-Umari (al-Ta‘rīf fī al-muṣṭalaḥ al-šarīf (d. 749/1349, Ibn Nazir al-Jaysh (al-Taṯqīf fī al-taʿrīf (d. 786/1384, and al-Qalqashandi (Ṣubḥ al-aʿšā fī ṣināʿat al-inšā’ (d. 821/1418. Research results and novelty: The author analyzed in detail the above sources, confirming the interaction between the two diwans al-insha’ as well as the circulation of Islamic chancellery knowledge and techniques between Egypt and Central Asia, starting from the second half of the 13th century and up to the first half of the 15th century. As a result, it has been revealed that administrative institutions functioned steadily despite the periodic discontinuity and chaos of dynastic inheritance. The statements that we distinguish through these epistolary exchanges also possess a certain continuity; the goal of most of these letters was to justify or ask a question about prolonged silences, the shortage of embassies, and the long absence of an exchange between the two states. Consequently, the diplomatic practices of the Mamluks and Golden Horde fit into the long favorable period of the general evolution of clerical regulations.

27Al MAS NMR spectroscopic identification of reaction intermediates in the carbothermal reduction and nitridation of alumina

International Nuclear Information System (INIS)

Jung, Woo-Sik; Chae, Seen-Ae

2010-01-01

The reaction intermediates in the carbothermal reduction and nitridation (CRN) reaction of γ-Al 2 O 3 were identified by 27 Al magic-angle spinning (MAS) nuclear magnetic resonance (NMR) spectroscopy. This identification ruled out the possibility of a reaction mechanism involving the gaseous reaction intermediates. In the CRN reaction of γ-Al 2 O 3 , AlO 4 units were converted to AlN stepwise via AlN x O 4-x (x = 1, 2, 3) intermediates, while AlO 6 units were more slowly converted to AlN than AlO 4 units and the NMR peaks of partially nitridated AlO 6 units were not detected. The NMR peak intensities of partially nitridated AlO 4 units became weaker with increasing reaction temperature.

VizieR Online Data Catalog: Circumstellar-interacting supernovae (Taddia+, 2015)

Science.gov (United States)

Taddia, F.; Sollerman, J.; Fremling, C.; Pastorello, A.; Leloudas, G.; Fransson, C.; Nyholm, A.; Stritzinger, M. D.; Ergon, M.; Roy, R.; Migotto, K.

2015-11-01

In Table 1 we report the list of 60 transients included in our sample. Thirty-five of them are SNe IIn, six are SNe Ibn, one is a SN Ia-CSM, 18 are SN IMs (if we also count SN 2009ip in the SN IMs, then we have 19 of these transients). With the NOT, long-slit spectra were obtained for the host galaxies of 13 SNe IIn, five SNe Ibn, one SN Ia-CSM, and 16 SN IMs (the derived metallicity for SN 2007sv was published in Tartaglia et al. 2015MNRAS.447..117T). The host galaxies observed at the NOT are marked with the letter "o" in the third column of Table 1. With the NOT, we also obtained broad-band R and narrow-band Hα images for the SNe IIn (except for SN 1995G) and Ibn. We complemented our observed sample with host galaxies whose metallicities (at the center of the galaxy or at the SN position) were already available in the literature (marked with the letter "l" in the third column of Table 1) or whose spectra were available in public archives (marked with the letter "a" in the third column of Table 1). (7 data files).

Efficacy of Surah Al-Rehman in Managing Depression in Muslim Women.

Science.gov (United States)

Rafique, Rafia; Anjum, Afifa; Raheem, Shazza Shazdey

2017-09-12

The study empirically investigated the idea that Quranic verses (Surah Al-Rehman) can help manage depression. Abdullah Ibn Mas'ud (radiAllahu anhu) reported that the Prophet (salAllahu alayhi wasalam) said, "Everything has an adornment, and the adornment of the Qur'an is Surah Al-Rehman." Surah Al-Rehman is the most rhythmic surah of the Quran, so it was used for our experimental study. The idea of the study was drawn from the premise that music therapy helps reduce depression. The objective of the present study was to investigate the efficacy of Surah Al-Rehman for managing depression in Muslim women admitted for treatment of major depressive disorder in a psychiatry ward of a government hospital. It was hypothesized that women diagnosed with severe depression in the treatment group will have reduced level of depression as compared to control group at post-assessment level. It was further hypothesized that the amount of decrease in depression in treatment group at the post-assessment level will be greater as compared to the control group. A purposive sample of 12 female patients diagnosed with depression was randomly assigned to the treatment group (n = 6) and control group (n = 6). Assessment was done at pre- and post-level by using Beck Depression Inventory-II. Both groups did not significantly differ on pre-assessment depression scores. Twelve structured group sessions of 22 min, two times a day, were conducted for a period of 4 weeks with the groups. Treatment group was made to listen to Surah Al-Rehman recited by Qari Abdul Basit, and control group was exposed to music used for relaxation and treatment of depression. Wilcoxon signed ranks test was used to find the within-group differences between pre- and post-assessment scores. Both groups had decreased level of depression at post-assessment level, so it was important to assess if there was any difference in level of decrease. Mann-Whitney U test for comparison of groups on level of decrease at the

Seyahatnamelerde Hadîs Kültürü: İbn Battûta Örneği Hadith Culture in Travelogues: The Case of Ibn Battuta

Directory of Open Access Journals (Sweden)

Yunus MACİT

2012-09-01

Full Text Available Books of Travels are one of the most important sources of Islamichistory and religious life; because they have important functions interms of their transport of the historical, geographical and socio-culturalcharacteristics of a certain time to the present day.Travelling is also an important tradition in Islamic culture;because of travelling is a good way to expand the horizons of knowledgeand experience.As it’s known, Ibn Battuta also known as Shams ad-Din (1304–1368 or 1369, was a Berber Muslim Moroccan explorer, known for hisextensive travels, accounts of which were published in the Rihla. Over aperiod of thirty years, he visited most of the known Islamic world as wellas many non-Muslim lands; his journeys including trips to North Africa,West Africa, Southern Europe and Eastern Europe in the West, and tothe Middle East, South Asia, Central Asia, and China in the East, adistance surpassing threefold his near-contemporary Marco Polo.For this reason Ibn Battuta is considered one of thegreatest travelers of all time.As a devout person Ibn Battuta during his travels tried to learn allof the characteristics of religious and religious organizations whereverhe went and established close contacts with religious people andorganizations, also visited sacred-religious authorities and besides gaveplace to the hadith narrations about this places in his book. In histravelogues, which help as to understand the medieval Islamicgeography his time period, as well as information on socio-cultural andeconomical life of Muslim communities, reflections of Muslim civilizationand sunnah and hadiths of Prophet Muhammad to the religious andgeneral public life and religious persons had narrated. For this reason,İbn Battuta’s works are one of the important sources in terms of hadithand sunnah in studies. Seyahatnameler, İslam tarihi ve dini yaşamı açısından en önemli kaynaklar arasındadır. Bu nedensiz değildir; çünkü seyahatnameler, bir d

Louis Massignon l'amour mystique ou l'extase dans l'abandon

OpenAIRE

Jacques Keryell

2008-01-01

Parler de Massignon et de son Amour de Dieu n'est pas chose aisée. En effet, si les mystiques musulmans des premiers siècles de l'hégire ont été les hérauts de cet Amour : Al-Hallâj, Râbia al-Adawiyya, Al-Niffâri, Ibn Arabi, Ansâri, Al-Ghazâli, l'Amour de Dieu comme tel, n'est pas au cœur du "ilm al kalâm", de la théologie musulmane traditionnelle. Pour Massignon, langue et spiritualité étaient intimement liées. Si je devais me placer dans une perspective musulmane, je dirais que Louis Massig...

Notes about Censorship and Self-Censorship in the Biography of the Prophet Muḥammad

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Lecker, Michael

2014-06-01

Full Text Available The study of the medieval literary output about Muḥammad’s life should go hand in hand with the study of his history, for which we have rich evidence in a variety of sources. Ibn Isḥāq’s biography of Muḥammad and its epitome by Ibn Hishām were products of their time. A case of self-censorship applied by one of Ibn Isḥāq’s informants and two cases of censorship applied by Ibn Hishām, who omitted many of his predecessor’s materials, contribute to a better understanding of the social and political context of the biography.El estudio de la producción literaria medieval sobre la vida de Muḥammad debe ir de la mano del estudio de su historia, empresa para la que disponemos de rica información en una variedad de fuentes. La biografía de Muḥammad por Ibn Isḥāq y su epítome por Ibn Hišām fueron productos de su época. Un caso de auto-censura aplicado por uno de los informantes de Ibn Isḥāq y dos casos de censura aplicados por Ibn Hišām, quien omitió muchos de los materiales de su predecesor, contribuyen a una mejor comprensión del contexto social y político de la biografía del Profeta.

76 FR 18783 - United States et al.

Science.gov (United States)

2011-04-05

... customers based on existing supplier-customer relationships. d. Neither Supply Responses Nor Entry Would... Final Judgment, Stipulation and Competitive Impact Statement Notice is hereby given pursuant to the... Competitive Impact Statement have been filed with the United States District Court for the Eastern District of...

DIALEKTIKA PENDIDIKAN ETIKA DALAM ISLAM (Analisis Pemikiran Ibnu Maskawaih

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Rosif

2015-11-01

Full Text Available Moral education is the main point in the implementation of education because it is a fundamental principle of morality for humans to interact with the Creator (hablun minallah as well as with human beings (h}ablun min al-nas. The ethics of someone grow and develop in a group, thus since the early development children need a group of people who look after them. As children grow up days by days, the need to join a group outside the family increases. While when they associate with others more extensively, some problems may raise due to the different way of educating, and culture, economic and social level. This paper describes ethical education according to Ibn Miskawayh, as well as analyzes the thought of Ibn Miskawayh on ethics education. This study also shows that the concept of ethics education can be implemented with ta’dib process as an attempt to instill and inculcate adab in human beings through education. Thus, adab can be interpreted a content that should be instilled in the process of Islamic education. According to Ibn Maskawaih ethics education has a major role on human civilization. Building a culture and civilization will preserve or harmonize society itself. However, individuals only will not be able to preserve that culture without education. Indeed, taking the initiative through moral education will establish and maintain a dynamic ethics.

76 FR 38700 - United States, et al.

Science.gov (United States)

2011-07-01

... prices in advertisements, in-store displays, and online. Consumer World believes these rules should be... has ruled on that motion. I. Procedural History The United States and seven Plaintiff States filed the... Restraints result in higher merchant costs, and merchants generally pass costs on to consumers, retail prices...

Inter-Faith Reading of Perfect Man With Mystical Approach

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Fatemeh Musavi

2010-12-01

Full Text Available The expression Insan –e kamil (perfect man is often said to have first been used by Muhyiddin ibn 'Arabi (1165 -1240AD, though the concept of the term is much older. In his theosophical teaching, the doctrine of insan e- kamil, is held a prominent place. After him two other great Sufis, Aziz Nasafi (1300AD and 'Abd al- karim ibn Ibrahim al- Jili (1366 – 1424 AD, each wrote a work on this very issue. These works are regarded as explanations of Ibn Arabi’s teachings on human perfection. In Islamic mysticism, Perfect man is the one who within their soul possesses all God's names and attributes. Thus the perfect man’s existence, reality and inner might become a clear mirror and a complete reflection of the Perfection, Beauty and Glory of the Essence of the One, so that he becomes Godlike. However, the idea of human perfectibility going back to other religions and human schools even before Islam. In Abrahimic religions there are some joint teachings that could be considered as main statements for the doctrine of Perfect Man In Jewish scriptures the notion of human creation in God's image suggests that the human being is able to be God's like and the perfection is available to him. However, Jews do not believe a perfect man. They hold that even Moses is not a perfect man. In Christianity, Although Jesus encourages his followers to be perfect like their heavenly fathers, the doctrine of original sin to be considered as an obstacle for human perfectibility.This essay examines some significant element in human perfectibility from the view points of some scholars of Judaism, Christianity and Islam and presents some similarities and differences of their view points.

Inter-Faith Reading of Perfect Man With Mystical Approach

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Mohammadkazem Shaker

2011-01-01

Full Text Available   The expression Insan –e kamil (perfect man is often said to have first been used by Muhyiddin ibn 'Arabi (1165 -1240AD, though the concept of the term is much older. In his theosophical teaching, the doctrine of insan e- kamil, is held a prominent place. After him two other great Sufis, Aziz Nasafi (1300AD and 'Abd al- karim ibn Ibrahim al- Jili (1366 – 1424 AD, each wrote a work on this very issue. These works are regarded as explanations of Ibn Arabi’s teachings on human perfection. In Islamic mysticism, Perfect man is the one who within their soul possesses all God's names and attributes. Thus the perfect man’s existence, reality and inner might become a clear mirror and a complete reflection of the Perfection, Beauty and Glory of the Essence of the One, so that he becomes Godlike. However, the idea of human perfectibility going back to other religions and human schools even before Islam. In Abrahimic religions there are some joint teachings that could be considered as main statements for the doctrine of Perfect Man In Jewish scriptures the notion of human creation in God's image suggests that the human being is able to be God's like and the perfection is available to him. However, Jews do not believe a perfect man. They hold that even Moses is not a perfect man. In Christianity, Although Jesus encourages his followers to be perfect like their heavenly fathers, the doctrine of original sin to be considered as an obstacle for human perfectibility.This essay examines some significant element in human perfectibility from the view points of some scholars of Judaism, Christianity and Islam and presents some similarities and differences of their view points.

Inter-Faith Reading of Perfect Man With Mystical Approach

Directory of Open Access Journals (Sweden)

Shaker, M.K

2011-01-01

Full Text Available The expression Insan –e kamil (perfect man is often said to have first been used by Muhyiddin ibn 'Arabi (1165 -1240AD, though the concept of the term is much older. In his theosophical teaching, the doctrine of insan e- kamil, is held a prominent place. After him two other great Sufis, Aziz Nasafi (1300AD and 'Abd al- karim ibn Ibrahim al- Jili (1366 – 1424 AD, each wrote a work on this very issue. These works are regarded as explanations of Ibn Arabi’s teachings on human perfection. In Islamic mysticism, Perfect man is the one who within their soul possesses all God's names and attributes. Thus the perfect man’s existence, reality and inner might become a clear mirror and a complete reflection of the Perfection, Beauty and Glory of the Essence of the One, so that he becomes Godlike. However, the idea of human perfectibility going back to other religions and human schools even before Islam. In Abrahimic religions there are some joint teachings that could be considered as main statements for the doctrine of Perfect Man In Jewish scriptures the notion of human creation in God's image suggests that the human being is able to be God's like and the perfection is available to him. However, Jews do not believe a perfect man. They hold that even Moses is not a perfect man. In Christianity, Although Jesus encourages his followers to be perfect like their heavenly fathers, the doctrine of original sin to be considered as an obstacle for human perfectibility.This essay examines some significant element in human perfectibility from the view points of some scholars of Judaism, Christianity and Islam and presents some similarities and differences of their view points.

Synthesis, characterization and properties of a glycol-coordinated ε-Keggin-type Al13 chloride

KAUST Repository

Gu, Bin; Sun, Chenglin; Fettinger, James C.; Casey, William H.; Dikhtiarenko, Alla; Gascon, Jorge; Koichumanova, Kamila; Babu Sai Sankar Gupta, Karthick; Jan Heeres, Hero; He, Songbo

2018-01-01

Herein we present the first example of a glycol-coordinated ε-Keggin Al13 chloride (gl-ε-Al13), which is the first chelated version since discovery of Al13 in 1960. The molecular structure consists of [AlO4Al12(OH)12(OC2H4OH)12]Cl7·H2O units with chelating mono-anionic ethylene glycol units replacing one bridging and one terminal oxygen site.

Synthesis, characterization and properties of a glycol-coordinated ε-Keggin-type Al13 chloride

KAUST Repository

Gu, Bin

2018-03-29

Herein we present the first example of a glycol-coordinated ε-Keggin Al13 chloride (gl-ε-Al13), which is the first chelated version since discovery of Al13 in 1960. The molecular structure consists of [AlO4Al12(OH)12(OC2H4OH)12]Cl7·H2O units with chelating mono-anionic ethylene glycol units replacing one bridging and one terminal oxygen site.

Sensors integration for smartphone navigation: performances and future challenges

Science.gov (United States)

Aicardi, I.; Dabove, P.; Lingua, A.; Piras, M.

2014-08-01

Nowadays the modern smartphones include several sensors which are usually adopted in geomatic application, as digital camera, GNSS (Global Navigation Satellite System) receivers, inertial platform, RFID and Wi-Fi systems. In this paper the authors would like to testing the performances of internal sensors (Inertial Measurement Unit, IMU) of three modern smartphones (Samsung GalaxyS4, Samsung GalaxyS5 and iPhone4) compared to external mass-market IMU platform in order to verify their accuracy levels, in terms of positioning. Moreover, the Image Based Navigation (IBN) approach is also investigated: this approach can be very useful in hard-urban environment or for indoor positioning, as alternative to GNSS positioning. IBN allows to obtain a sub-metrical accuracy, but a special database of georeferenced images (Image DataBase, IDB) is needed, moreover it is necessary to use dedicated algorithm to resizing the images which are collected by smartphone, in order to share it with the server where is stored the IDB. Moreover, it is necessary to characterize smartphone camera lens in terms of focal length and lens distortions. The authors have developed an innovative method with respect to those available today, which has been tested in a covered area, adopting a special support where all sensors under testing have been installed. Geomatic instrument have been used to define the reference trajectory, with purpose to compare this one, with the path obtained with IBN solution. First results leads to have an horizontal and vertical accuracies better than 60 cm, respect to the reference trajectories. IBN method, sensors, test and result will be described in the paper.

Ibn Qayyim Al-Jawziyyah and Allameh Tabataba’i on Immortality in Hell

OpenAIRE

Janan Izadi; Majid Sadeqi Hasan Abadi; Fatemeh Yusefi kazaj

2016-01-01

The Immortality of the people of hell and their eternal torment is one of the most important and complex debates, preoccupying religious scholars of different religions and sects. Each of them has taken a different way based on their intellectual principles of belief to solve this problem and the questions thereof, including how the immortality of the inhabitants of hell hellions and their eternal torment is consistent with the mercy and justice of God. How is it reasonable to endure infinite...

CTC Sentinel. Volume 1, Issue 7, June 2008. Al-Qa’ida in Iraq: Lessons from the Mosul Security Operation

Science.gov (United States)

2008-06-01

and therefore omitted from his media constructed persona . The son of a chicken farmer, Zitouni likely received only rudimentary formal religious...Wahhabi scholar Ibn Jabarayn called for the massacre of the Shi`a in a tape recording broad- cast on the internet . The exact edict is, “The blood of...intra-Muslim distrust and while holding the conference in Mecca, a city where non-Muslims are by law banned. Nevertheless, the recent Iranian and

Cuatro efemérides matemáticas a la sombra de los griegos Thābit ibn Qurra, Gerolamo Cardano, Pierre de Fermat y las Disquisitiones de Gauss

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Durán Guardeño, Antonio J.

2002-01-01

Full Text Available Not available

Usando como hilo conductor la recuperación y superación del legado matemático -y científico- griego, se analizarán en esta colaboración cuatro importantes efemérides matemáticas: la muerte de Thābit ibn Qurra (901, los nacimientos de Gerolamo Cardano (1501 y Pierre de Fermat (1601 y la publicación de las Disquisitiones Arithmeticae de Karl F. Gauss (1801. Con esta perspectiva, consideraremos las contribuciones de Thābit al primer renacimiento de la ciencia y filosofía griegas que se produjo a partir del siglo VIH de manos de los árabes. Gerolamo Cardano aparecerá como actor de otro Renacimiento -este lo solemos escribir con mayúscula-: el italiano; que en este caso culminó con la recuperación para la Europa Occidental de la matemática, filosofía y ciencia griegas, además del arte. La figura de Pierre de Fermat se mostrará decisiva en la creación durante el siglo XVII de las dos herramientas matemáticas que suponen, tras dos mil años de historia, la superación conceptual y operativa de la matemática griega: la geometría analítica y el cálculo diferencial. Aunque en otra medida que Thābit, Cardano y Fermat, las Disquisitiones también pueden conectarse con el espíritu del mundo griego; fue, de hecho, el mismo Gauss quien lo invocó para darle realce y significado a uno de los principales resultados de su libro -el estudio de los polígonos regulares que admiten ser construidos con regla y compás-: «Es ciertamente atónito que nada nuevo se haya añadido a esta teoría desde los tiempos de Euclides hace ya 2.000 años».

Characterizing the natural radiation levels throughout the main geological units of Sabkhat al Jabboul area, northern Syria.

Science.gov (United States)

Al-Hilal, Mohamed; Aissa, Mosa

2015-02-01

The concentrations of equivalent eU, eTh, and K% were determined together with soil gas radon values and carborne gamma-ray survey in order to define the natural radioactivity levels throughout main geological units of Sabkhat al Jabboul region. Forty five soil and rock samples were collected from various lithofacies in each geological unit, and analyzed by γ-ray spectrometric technique for determining the concentration values of major radioelements. Such radiometric data could be used to differentiate between various lithologies of the investigated rocks. Although no distinct radioactive anomalies were found in the area, the radiometric profiles showed some minor variations with slightly higher values than the normal level. Despite the low radioactivity and the lack of rocks diversity in the surveyed area, it was possible to classify some certain rock types based on their radiometric response. The relationships between eU, eTh and their ratios were discussed for the Quaternary, Neogene and Paleogene formations, in order to evaluate the degree of uranium distribution and remobilization. The overall results of this radiometric survey were generally low, and lying within the range of the normal background levels in Syrian. Copyright © 2014 Elsevier Ltd. All rights reserved.

Electrical switching in Sb doped Al23Te77 glasses

Science.gov (United States)

Pumlianmunga; Ramesh, K.

2017-08-01

Bulk glasses (Al23Te77)Sbx (0≤ x≤10) prepared by melt quenching method show a change in switching type from threshold to memory for x≥5. An increase in threshold current (Ith) and a concomitant decrease in threshold voltage (Vth) and resisitivity(ρ) have been observed with the increase of Sb content. Raman spectra of the switched region in memory switching compositions show a red shift with respect to the as prepared glasses whereas in threshold switching compositions no such shift is observed. The magic angle spinning nuclear magnetic resonance (MAS NMR) of 27Al atom shows three different environments for Al ([4]Al, [5]Al and [6]Al). The samples annealed at their respective crystallization temperatures show rapid increase in [4]Al sites by annihilating [5]Al sites. The melts of threshold switching glasses (x≤2.5) quenched in water at room temperature (27 °C) show amorphous structure whereas, the melt of memory switching glasses (x>2.5) solidify into crystalline structure. The higher coordination of Al increases the cross-linking and rigidity. The addition of Sb increases the glass transition(Tg) and decreases the crystallization temperature(Tc). The decrease in the interval between the Tg and Tc eases the transition between the amorphous and crystalline states and improves the memory properties. The temperature rise at the time of switching can be as high as its melting temperature and the material in between the electrodes may melt to form a filament. The filament may consists of temporary (high resistive amorphous) and permanent (high conducting crystalline) units. The ratio between the temporary and the permanent units may decide the switching type. The filament is dominated by the permanent units in memory switching compositions and by the temporary units in threshold switching compositions. The present study suggests that both the threshold and memory switching can be understood by the thermal model and filament formation.

Crystal structure of the Al2CuIr phase

International Nuclear Information System (INIS)

Meshi, L.; Ezersky, V.; Kapush, D.; Grushko, B.

2010-01-01

A new ternary Al 2 CuIr phase was revealed in the Al-Cu-Ir system. It is formed below 1063 o C from the β-phase (CsCl-type structure) extending at elevated temperatures from AlIr. The crystal structure of the Al 2 CuIr phase was determined using a combination of precession electron diffraction and X-ray powder diffraction techniques. The phase has an orthorhombic C-centered unit cell with lattice parameters a = 8.1196(7) A, b = 5.0646(2) A and c = 5.18513(3) A; its crystal symmetry can be described by the Cmme (no. 67) space group (Pearson symbol oC16). The unit cell of the new phase contains 8 Al, 4 Cu and 4 Ir atoms and exhibits a new structure type. The reliability factors characterizing the Rietveld refinement procedure are: R p = 4.45%, R wp = 6.45%, R B = 3.69% and R f = 2.41%.

A spatial analysis of amyotrophic lateral sclerosis (ALS) cases in the United States and their proximity to multidisciplinary ALS clinics, 2013.

Science.gov (United States)

Horton, D Kevin; Graham, Shannon; Punjani, Reshma; Wilt, Grete; Kaye, Wendy; Maginnis, Kimberly; Webb, Lauren; Richman, Judy; Bedlack, Richard; Tessaro, Edward; Mehta, Paul

2018-02-01

Amyotrophic lateral sclerosis (ALS) is a fatal motor neuron disease that typically results in death within 2-5 years of initial symptom onset. Multidisciplinary ALS clinics (MDCs) have been established to provide specialty care to people living with the disease. To estimate the proximity of ALS prevalence cases to the nearest MDC in the US to help evaluate one aspect of access to care. Using 2013 prevalence data from the National ALS Registry, cases were geocoded by city using geographic information system (GIS) software, along with the locations of all MDCs in operation during 2013. Case-to-MDC proximity was calculated and analyzed by sex, race, and age group. During 2013, there were 72 MDCs in operation in 30 different states. A total of 15,633 ALS cases were geocoded and were distributed throughout all 50 states. Of these, 62.6% were male, 77.9% were white, and 76.2% were 50-79 years old. For overall case-to-MDC proximity, nearly half (44.9%) of all geocoded cases in the US lived >50 miles from an MDC, including approximately a quarter who lived >100 miles from an MDC. There was a statistically significant difference between distance to MDC by race and age group. The high percentage of those living more than 50 miles from the nearest specialized clinic underscores one of the many challenges of ALS. Having better access to care, whether at MDCs or through other modalities, is likely key to increasing survivability and obtaining appropriate end-of-life treatment and support for people with ALS.

[Skin grafting in the treatment of hand burns sequelae in relation to 152 cases. Report from Department of Plastic Surgery, University Hospital Ibn Sina].

Science.gov (United States)

El Mazouz, S; Fejjal, N; Hafidi, J; Cherkab, L; Mejjati, H; Belfqih, R; Gharib, N; Abbassi, A

2010-03-31

La main est fréquemment exposée aux brûlures, entraînant des séquelles esthétiques et fonctionnelles. Le traitement de ces séquelles est surtout chirurgical et consiste en la greffe de peau, dont le type dépend de la localisation de la brûlure et du type des séquelles. Dans ce travail rétrospectif, nous rapportons une série de 152 cas de brûlures des mains colligés au service de chirurgie plastique du Centre Hospitalier Universitaire Ibn-Sina de Rabat sur une période de dix ans, allant de 1998 à 2007. Les indications thérapeutiques dépendent du type de séquelles et de la localisation de la brûlure. En tout, 97 patients ont bénéficié d'une greffe cutanée, dont 76% par greffe de peau totale, 21% par greffe de peau demi-épaisse et 3% par peau fine. Les séquelles des brûlures des mains posent un problème thérapeutique majeur, malgré la diversité des procédés chirurgicaux, d'où l'intérêt de la prévention.

El collar de la paloma : tratado sobre el amor y los amantes

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Paulina López Pita

1999-01-01

Full Text Available Se recoge en este trabajo la opinión que algunos estudiosos han dado sobre una de las mejores obras de la literatura árabe, calificada por don Emilio García Gómez de auténtica joya literaria. Su autor, el ilustre polígrafo cordobés, Ibn Hazm (994-1064, comenzó a escribirla en el año 1022 en unas duras condiciones, como él mismo reconoce, cuando se hallaba cautivo en dativa. Por entonces, el califato cordobés mostraba ya sus primeros síntomas de debilidad. Esta obra esta escrita en árabe purísimo y en rica prosa en la que se intercalan versos con un profundo sentimiento. En ella su autor nos narra aspectos del amor basados en su propia experiencia, y en lo que le contaron gentes de fiar, transmitiendo, en suma, como amaron las gentes de al-Andalus durante el gobierno de la dinastía omeya; por este motivo, algunos consideran, en parte, este libro como la autobiografía de su autor y de las gentes que le rodearon. Ibn Hazm compuso esta obra por encargo de un amigo y a través de ella le ofrece, por la amistad que les une, «ayuda» para alcanzar la verdad. En los sucesivos capítulos de que consta «El collar», el autor nos habla de los fundamentos del amor, entre los que destaca, la esencia del amor, las formas de enamoramiento,etc... de los accidentes del amor y de sus cualidades loables y vituperables; de las malaventuras que sobrevienen al amor, de la fealdad del pecado y de la castidad. No obstante, a pesar del plan previo establecido por el autor, estos temas se mezclan unos con otros, y de ello se excusa Ibn Hazm. «El collar de la paloma» ha tenido una gran divulgación, siendo traducido a las principales lenguas, y en él han querido encontrar, estudiosos de la literatura medieval ciertas similitudes.This report contains some opinión from several experts about one of the masterpieces of the arab literature, considered as an authentic jewel by Emilio García Gómez. Its author, the famous cordovan polygraph Ibn Hazm (994

The crystal structure of γ-AlD3

International Nuclear Information System (INIS)

Brinks, H.W.; Brown, C.; Jensen, C.M.; Graetz, J.; Reilly, J.J.; Hauback, B.C.

2007-01-01

γ-AlD 3 was synthesized from LiAlD 4 and AlCl 3 via thermal decomposition of aluminum hydride etherate in presence of excess LiAlD 4 . γ-AlD 3 was determined by powder neutron diffraction and synchrotron X-ray diffraction to crystallize in the space group Pnnm. The orthorhombic structure has unit-cell dimensions a = 7.3360(3) A, b = 5.3672(2) A and c = 5.7562(1) A, and it consists of both corner- and edge-sharing AlD 6 octahedra where each hydrogen is shared between two octahedra. The average Al-D distances in octahedra with edge-sharing is 1.706 A and in the octahedra with only corner-sharing 1.719 A

α-NiPt(Al) and phase equilibria in the Ni-Al-Pt system at 1150 deg C

International Nuclear Information System (INIS)

Hayashi, S.; Ford, S.I.; Young, D.J.; Sordelet, D.J.; Besser, M.F.; Gleeson, B.

2005-01-01

The α-NiPt(Al) phase and its associated equilibria in the Ni-Al-Pt system at 1150 deg C were investigated by analyzing equilibrated bulk alloys and the interdiffusion zones of diffusion couples. Phase constitutions, tie-lines and microstructures were determined using a combination of techniques, including high-energy synchrotron X-ray diffraction, scanning electron microscopy and electron probe microanalysis. A large Pt solubility limit was found to exist in the β-NiAl, ∼42 at.%, and in γ'-Ni 3 Al, ∼32 at.%. The α-NiPt(Al) phase was found to have wide Pt solubility range of about 33-60 at.% and to skew along an almost constant Pt/Al ratio of 1.5. The α-NiPt(Al) has an ordered face-centered tetragonal L1 0 crystal structure, with the Al and Pt atoms found to be preferentially located in the corners and prismatic faces, respectively. The temperature dependence of the lattice parameters and unit cell volume of the α phase were also determined

International School of Physics Enrico Fermi : Course 190 : Frontiers in Modern Optics

CERN Document Server

Dudley, J; Clerici, M

2016-01-01

The year 2015 was designated by the United Nations General Assembly as the Year of Light and Light-based Technologies, and also marks the anniversaries of a number of significant historical events related to light. In 1015, Ibn Al-Haytham published his book of optics; in 1815, Fresnel first proposed the notion that light is actually a wave; James Clerk Maxwell then firmly established this concept with his electromagnetic theory of light propagation; and Einstein announced his discovery of the photoelectric effect, demonstrating that light is made of photons in 1905, followed in 1915 by his general theory of relativity, in which light plays a central role. This book presents lectures from the International School of Physics Enrico Fermi summer school: Frontiers in Modern Optics, held in Varenna, Italy, in June and July 2014. The school attempted to give a broad and modern overview of the field of optics in a series of lectures addressing ongoing topics of research. Subject areas include: nonlinear optics; lig...

Islamic Civilization in Spain - a Magnificient Example of Interaction and Unity of Religion and Science.

Science.gov (United States)

Halilović, Safvet

2017-04-01

-1492) brought about a prospering of different aspects of science and culture. Numerous schools and libraries were established and books were procured due to which the majority of the people were literate. Literature and art flourished. Buildings were constructed and Islamic art with its specific qualities was cultivated. As a result of that movement, Cordoba became the civilization capital of both Spain and the West in general. Many schools were established in it, such as medical and technical schools in addition to the general education and other vocational schools. Hospitals, chemical plants and observatories were also built. The university in Cordoba was a beacon of thought, education and culture, and it made Cordoba the home of science and of a great number of scholars and scientists in medicine, pharmacy, chemistry, astronomy, mathematics and botany. Scholarly disciplines such as philosophy and logic were also studied and busy translation activities were underway. For that reason travelers and people in quest for knowledge and science from different European countries used to come to Cordoba. This scientific and civilizational movement was not limited to Cordoba alone, but also spread into other cities of Spain, such as Granada, Toledo and other cities under Islamic rule. Relevant historical sources state that young men from Europe, particularly from Italy and France, competed to enroll some of the Islamic universities in Andalusia. One of the students of the university in Cordoba was Gerbert, who later became known as Pope Sylvester II. He introduced science of mathematics and Arabic numerals in Italy. The same historical sources also read that Europe was acquainted with Aristotle's manuscripts via the city of Toledo which was a center of bustling translation work from the Arabic into the Latin language. It was in Toledo that many works of Plato and Galen were translated, as were the philosophy manuscripts by Ibn Sina, al-Farabi, Ibn Tufayl, Ibn Bajjah and Ibn Rushd, and

Research on Anoplophora glabripennis in the United States

Science.gov (United States)

Robert A. Haack

2003-01-01

In the mid-1990s it was estimated that more than 400 exotic (non-native) forest insects had already become established in the United States (HAACK and BYLER, 1993; MATTSON et al., 1994; NIEMELA and MATTSON, 1996). This number has continued to grow with new exotics discovered annually in the United States (HAACK, 2002; HAACK and POLAND, 2001; HAACK et al., 2002). One...

Philosophie en islam

OpenAIRE

Jambet, Christian

2013-01-01

I. L’héritage d’Avicenne au xviie siècle : le Commentaire de la Métaphysique du Shifā’ par Mullā Ṣadrā Les philosophes de l’Iran safavide ont une dette envers l’œuvre d’Avicenne, Abū ʽAlī ibn Sīnā (m. 428/1037). L’ouvrage synthétique et allusif d’Avicenne, al-Ishārāt wa l-tanbīhāt fut méthodiquement étudié par les savants imamites quand Naṣīr al-Dīn al-Ṭūsī en eut achevé son commentaire vers 664/1246. Les philosophes instruits de la théologie rationnelle imamite et de la philosophie « illumin...

Vitamin D deficiency among healthy adolescents in Al Ain, United Arab Emirates

Science.gov (United States)

2013-01-01

Background Although vitamin D deficiency has been studied in various adult populations, there are few data on the prevalence of this nutritional deficiency among healthy adolescents in the United Arab Emirates (UAE). This study was conducted to determine the prevalence of vitamin D deficiency and to examine its correlates in adolescents aged 15 to 18 years. Methods This was a cross-sectional study in urban schools. Healthy adolescents (N=315) from a sample of 8 schools were randomly selected from the 142 schools in Al Ain, Abu Dhabi Emirate. Outcomes measured included serum concentrations of 25-hydroxy vitamin D (25OHD), plasma lipids, blood sugar, blood pressure and anthropometric data, nutrition and lifestyle variables. Results Fourty-one participants (19.7%) were vitamin D deficient (serum 25OHD level ≤15 ng/mL [≤37.5 nmol/L]. Using a cutoff level of 25(OH) D of ≤20 ng/ml [≤50 nmol/l] 143 participants (45.4%) were vitamin D insufficient. Overall 65.1% of study participants were either vitamin D deficient or insufficient. The prevalence of vitamin D deficiency varied between boys (10%) and girls (28%). In a final multivariate model, serum 25(OH) D concentrations were inversely correlated with female gender, consumption of fast food per week, and body mass index and positively correlated with physical activity scores after adjustment for age. Conclusions Vitamin D deficiency and insufficiency were highly prevalent in adolescents, and more common in girls. PMID:23311702

Taklik Talak Perspektif Ulama Mazhab dan Pengaruhnya dalam Berumah Tangga

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Sofyan Yusuf

2017-12-01

Full Text Available Taklik talak controversy which contained in articles 45 and 46 in the compilation of Islamic law (KHI does not only occur among mazhab scholars, but also community. This is because of taklik talak influential in the household life. This study used a qualitative descriptive method. The data was collected through observation, interview, documentation and was analyzed qualitatively. The study finding as follow: First, the majority of Islamic Scholars assumed that the fall of divorce when a swear in. Second, Ibn Hazm and Ibn Qayyim al-Jauziyah argued that the taklik containing oath (qasam does not causing divorce. Third, an understanding of the related society, including divorce, taklik: 1 reading of sigat taklik is a form of guarantee of the husband; 2 contents of sighat taklik is the covenant of marriage between a husband and wife, and signed, not just spoken only; 3 agreement is not obligatory agreement taklik talak which should be held on any marriage, but once divorce already enforced by taklik, then it cannot be revoked.

KONSEP JIHAD DALAM PERSPEKTIF ISLAM

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Rif’at Husnul Ma’afi

2012-03-01

Full Text Available It was a fatal mistake when terrorism equated with the doctrine of jihad in Islam. Terrorism in Arabic word termed as al-Irhab is not taught in the Qur’an. Even in Surah al-Anfal: 60 wrote the word “turhibûna”, but it can’t be used as the argument that terrorism is taught Islam. The word “turhibûna” here is more to frighten the enemy on the battlefield. By studying the turats and contemporary books, this simple paper triesto explore some of the misunderstandings about jihad. Then, those errors will be corrected by refering to the original opinion of the Muslim scholars, which in this paper refered to Ibn Qayyim al-Jawzi’s opinions. The results of the study showed that this misunderstanding lied on the meaning and concept of jihad. As understood by some people that jihad is a war in the path of Allah (fi sabilillah only. In fact, the realm of jihadis very wide. Ibn Qayyim explained that jihad consists of 13 levels. These levels can be reduced to four parts, which one of them is fighting the infidels. Jihad against the infidels is not using the weapons. There are several steps that must be passed, so that jihad to infidels can be done. Of this division is also seen that the jihad war is not the onlysolution used by Islam in upholding Allah’s name (kalimatullah. So, this paper is expected to be able to describe the jihad in Islam based on the Qur’an and Prophetic traditions.

Retour sur les sociétés de montagne au Maghreb :fuqahā’ et soufis du Bilād Ghumāra (XIe-XVIIe siècles à l’épreuve des réformes de la pratique religieuse

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Mohamed Mezzine

2014-09-01

Full Text Available La montagne du Rif au Maroc occupe dans les livres d’histoire, voire chez les ʿulamā’ de la Qarawiyīn, à Fès, une place de choix. Des noms comme Ibn Mashīsh, al-Habtī et Ibn ʿArdūn continuent d’animer une tradition historique médiévale encore vivante aujourd’hui. Ces noms nous ramènent à une époque où le pays Ghmara, comme on l’appelait à l’époque, constituait un pôle culturel qui rivalisait avec la ville de Fès. Ibn Mashīsh et son disciple, al-Shādhilī, initiateurs de la fameuse ṭarīqa shādhiliyya, vont, à partir de cette montagne, lancer un mouvement de réforme religieuse qui a connu une extraordinaire audience auprès des populations de la montagne, comme de celles de l’ensemble du Maroc. D’autre part, les fuqahā' des Ghmara, intermédiaires obligés entre les ʿulamā’ et le commun des gens, tentent d’expliquer la norme islamique à des populations connaissant à peine la langue arabe. Les ʿulamā’ du jbel, moins nombreux, plus versés dans le savoir juridico-religieux, partagés entre le réseau du savoir andalou, avant 1492, et celui de Fès, vont travailler à modeler le malékisme et à le construire selon les exigences de leur milieu montagnard difficile. Pour comprendre ce phénomène, l'article se propose de suivre les trajectoires des principaux réformateurs, des awliyā’ soufis et des principaux porteurs de savoir (les ʿulamā’, et tenter de mesurer l’impact de ces tentatives de réforme sur la société des Ghmara.

PS1-12sk IS A PECULIAR SUPERNOVA FROM A He-RICH PROGENITOR SYSTEM IN A BRIGHTEST CLUSTER GALAXY ENVIRONMENT

International Nuclear Information System (INIS)

Sanders, N. E.; Soderberg, A. M.; Foley, R. J.; Chornock, R.; Milisavljevic, D.; Margutti, R.; Drout, M. R.; Moe, M.; Berger, E.; Brown, W. R.; Lunnan, R.; Smartt, S. J.; Fraser, M.; Kotak, R.; Magill, L.; Smith, K. W.; Wright, D.; Huang, K.; Urata, Y.; Mulchaey, J. S.

2013-01-01

We report on our discovery and observations of the Pan-STARRS1 supernova (SN) PS1-12sk, a transient with properties that indicate atypical star formation in its host galaxy cluster or pose a challenge to popular progenitor system models for this class of explosion. The optical spectra of PS1-12sk classify it as a Type Ibn SN (SN Ibn; cf. SN 2006jc), dominated by intermediate-width (3 × 10 3 km s –1 ) and time variable He I emission. Our multi-wavelength monitoring establishes the rise time dt ∼ 9-23 days and shows an NUV-NIR spectral energy distribution with temperature ∼> 17 × 10 3 K and a peak magnitude of M z = –18.88 ± 0.02 mag. SN Ibn spectroscopic properties are commonly interpreted as the signature of a massive star (17-100 M ☉ ) explosion within an He-enriched circumstellar medium. However, unlike previous SNe Ibn, PS1-12sk is associated with an elliptical brightest cluster galaxy, CGCG 208–042 (z = 0.054) in cluster RXC J0844.9+4258. The expected probability of an event like PS1-12sk in such environments is low given the measured infrequency of core-collapse SNe in red-sequence galaxies compounded by the low volumetric rate of SN Ibn. Furthermore, we find no evidence of star formation at the explosion site to sensitive limits (Σ Hα ∼ –3 M ☉ yr –1 kpc –2 ). We therefore discuss white dwarf binary systems as a possible progenitor channel for SNe Ibn. We conclude that PS1-12sk represents either a fortuitous and statistically unlikely discovery, evidence for a top-heavy initial mass function in galaxy cluster cooling flow filaments, or the first clue suggesting an alternate progenitor channel for SNe Ibn.

Khamiras, a natural cardiac tonic: An overview

OpenAIRE

Ahmad, Sayeed; Rehman, Shabana; Ahmad, Aftab M.; Siddiqui, Khalid M.; Shaukat, Seemin; Khan, Masood Shah; Kamal, Y. T.; Jahangir, Tamanna

2010-01-01

The Unani system of Medicine (Unanipathy), which originated in Greece, is based on the principles proposed by Galen, a Greek practitioner. Since then, many Arab and Persian scholars have contributed to the system. Among them Ibn-e-Sina, an Arab philosopher and Physicist who wrote ′Kitab-al-shifa′ are worth mentioning. This system has an extensive and inspiring record in India. It was introduced in India around the tenth century A.D with the spread of Islamic civilization. At present, Unanipat...

Associations of cardiovascular risk factors in Al Ain- United Arab Emirates

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Nazirudeen Mohammad K

2009-04-01

Full Text Available Abstract Background Over the last 30 years the citizens of the United Arab Emirates have experienced major changes in life-style secondary to increased affluence. Currently, 1 in 5 adults have diabetes mellitus, but the associations (clustering among risk factors, as well as the relevance of the concept of the metabolic syndrome, in this population is unknown. Aim To investigate the prevalence and associations among cardiovascular risk factors in this population, and explore to what extent associations can be explained by the metabolic syndrome according to ATP-III criteria. Method A community based survey, of conventional risk factors for cardiovascular disease was conducted among 817 national residents of Al Ain city, UAE. These factors were fasting blood sugar, blood pressure, lipid profile, BMI, waist circumference, smoking, or CHD family history. Odds ratios between risks factors, both unadjusted and adjusted for age and sex as well as adjusted for age, sex, and metabolic syndrome were calculated. Results Various risk factors were positively associated in this population; associations that are mostly unexplained by confounding by age and sex. For example, hypertension and diabetes were still strongly related (OR 2.5; 95% CI 1.7–3.7 after adjustment. An increased waist circumference showed similar relationship with hypertension (OR 2.3; 95% CI 1.5–3.5. Diabetes was related to an increased BMI (OR 1.5; 96% CI 1.0–2.3. Smoking was also associated with diabetes (OR 1.9, 95% CI 1.0–3.3. Further adjustment for metabolic syndrome reduced some associations but several remained. Conclusion In this population risk-factors cluster, but associations do not appear to be explained by the presence/absence of the ATP-III metabolic syndrome. Associations provide valuable information in planning interventions for screening and management.

Associations of cardiovascular risk factors in Al Ain- United Arab Emirates

Science.gov (United States)

Baynouna, Latifa M; Revel, Anthony D; Nagelkerke, Nico JD; Jaber, Tariq M; Omar, Aziza O; Ahmed, Nader M; Nazirudeen, Mohammad K; Al Sayed, Mamdouh F; Nour, Fuad A; Abdouni, Sameh

2009-01-01

Background Over the last 30 years the citizens of the United Arab Emirates have experienced major changes in life-style secondary to increased affluence. Currently, 1 in 5 adults have diabetes mellitus, but the associations (clustering) among risk factors, as well as the relevance of the concept of the metabolic syndrome, in this population is unknown. Aim To investigate the prevalence and associations among cardiovascular risk factors in this population, and explore to what extent associations can be explained by the metabolic syndrome according to ATP-III criteria. Method A community based survey, of conventional risk factors for cardiovascular disease was conducted among 817 national residents of Al Ain city, UAE. These factors were fasting blood sugar, blood pressure, lipid profile, BMI, waist circumference, smoking, or CHD family history. Odds ratios between risks factors, both unadjusted and adjusted for age and sex as well as adjusted for age, sex, and metabolic syndrome were calculated. Results Various risk factors were positively associated in this population; associations that are mostly unexplained by confounding by age and sex. For example, hypertension and diabetes were still strongly related (OR 2.5; 95% CI 1.7–3.7) after adjustment. An increased waist circumference showed similar relationship with hypertension (OR 2.3; 95% CI 1.5–3.5). Diabetes was related to an increased BMI (OR 1.5; 96% CI 1.0–2.3). Smoking was also associated with diabetes (OR 1.9, 95% CI 1.0–3.3). Further adjustment for metabolic syndrome reduced some associations but several remained. Conclusion In this population risk-factors cluster, but associations do not appear to be explained by the presence/absence of the ATP-III metabolic syndrome. Associations provide valuable information in planning interventions for screening and management. PMID:19371412

Renal oncocytoma: experience of Clinical Urology A, Urology Department, CHU Ibn Sina, Rabat, Morocco and literature review.

Science.gov (United States)

Benatiya, Marwane Andaloussi; Rais, Ghizlane; Tahri, Mounir; Barki, Ali; El sayegh, Hachem; Iken, Ali; Nouini, Yassine; Lachkar, Azzouz; Benslimane, Lounis; Errihani, Hassan; Faik, Mohammed

2012-01-01

Renal oncocytoma is a rare and benign renal tumor. Only few cases have been reported in Moroccan populations. In the present study, we report our experiences in the diagnosis, management and follow-up of this disease. We report on six cases of renal oncocytoma indentified between 1990 and 2008 in the urology department of "CHU Ibn Sina" in Rabat. These six cases are listed among 130 kidney tumors reported during the study period. We assess the clinical, radiological and therapeutic features of the patients and we review literature. Six cases of renal oncocytoma, representing 4.6% of all primitive kidney tumors treated in our institution during the study period. The mean age was 53 ±9.7 years (range 34 to 61 years). One patient was asymptomatic at presentation, five patients (83%) had flank pain and two (33%) had macroscopic hematuria. The tumor was right sided in 4 cases (66%) and left sided in 2 cases (33%). All patients underwent CT scan which showed, in three cases, a centrally located stellate area of low attenuation. The clinical suspicion of oncocytoma was made preoperatively in only 3 patients by imaging studies, but the suspicion of renal cell carcinoma persist and all patients were treated with radical nephrectomy. Definitive diagnosis was made in all cases postoperatively. All the tumors were well circumscribed but unencapsulated. The mean tumor size was 8,75±2,04 cm. Four patients were classified at stage pT2 and two at stage p T1. Most of the pathological features in our patients were typical of this entity. Predominant cell type was a typical oncocytoma with general low mitotic activity. No extension to peri-nephric fat tissue or lymphovascular invasion was observed. After a mean follow-up of 36 months (range 26-62 months), there was neither recurrence nor death from oncocytoma. Accordingly, the disease-specific survival was 100%. Renal oncocytoma has a benign clinical course with excellent long-term outcomes. In our series, it happened mostly in

Platinum triangles in the Pt/Al framework of the intermetallic REPt6Al3 (RE = Ce-Nd, Sm, Gd, Tb) series

International Nuclear Information System (INIS)

Eustermann, Fabian; Stegemann, Frank; Renner, Konstantin; Janka, Oliver

2017-01-01

The compounds of the REPt 6 Al 3 series (RE = Ce-Nd, Sm, Gd, Tb) were obtained by reaction of the elements via arc-melting. They were characterized by powder and single-crystal X-ray diffraction (NdPt 6 Al 3 : wR = 0.0432, 759 F 2 values, 33 variables) as well as by magnetic susceptibility measurements. The isostructural compounds crystallize with a new structure type in the trigonal crystal system with space group R anti 3c, twelve formula units in the unit cell, and lattice parameters of a = 752-755 and c = 3882-3945 pm. The crystal structure can be described by different slabs stacked along [001]. One layer features Pt 3 triangles, centering the cavities of a flat honeycomb RE layer that are arranged in a..ABCA ' B ' C ' .. sequence. The other layer consists of condensed hexagonal [Pt 6 Al 6 ] prisms, centered by Pt atoms, separating the before mentioned slabs. Magnetic measurements revealed that all rare-earth atoms are in the trivalent oxidation state, however, due to the low lanthanoide content magnetic ordering phenomena were observed only at low temperatures [SmPt 6 Al 3 : T C = 5.0(1) K; GdPt 6 Al 3 : T C = 7.3(1) K; TbPt 6 Al 3 : T N = 3.6(1) K]. (copyright 2017 WILEY-VCH Verlag GmbH and Co. KGaA, Weinheim)

Intra-rater reliability of motor unit number estimation and quantitative motor unit analysis in subjects with amyotrophic lateral sclerosis.

Science.gov (United States)

Ives, Colleen T; Doherty, Timothy J

2014-01-01

To assess the intra-rater reliability of decomposition-enhanced spike-triggered averaging (DE-STA) motor unit number estimation (MUNE) and quantitative motor unit potential analysis in the upper trapezius (UT) and biceps brachii (BB) of subjects with amyotrophic lateral sclerosis (ALS) and to compare the results from the UT to control data. Patients diagnosed with clinically probable or definite ALS completed the experimental protocol twice with the same evaluator for the UT (n=10) and BB (n=9). Intra-rater reliability for the UT was good for the maximum compound muscle action potential (CMAP) (ICC=0.88), mean surface-detected motor unit potential (S-MUP) (ICC=0.87) and MUNE (ICC=0.88), and for the BB was moderate for maximum CMAP (ICC=0.61), and excellent for mean S-MUP (ICC=0.94) and MUNE (ICC=0.93). A significant difference between tests was found for UT MUNE. Comparing subjects with ALS to control subjects, UT maximum CMAP (p<0.01) and MUNE (p<0.001) values were significantly lower, and mean S-MUP values significantly greater (p<0.05) in subjects with ALS. This study has demonstrated the ability of the DE-STA MUNE technique to collect highly reliable data from two separate muscle groups and to detect the underlying pathophysiology of the disease. This was the first study to examine the reliability of this technique in subjects with ALS, and demonstrates its potential for future use as an outcome measure in ALS clinical trials and studies of ALS disease severity and natural history. Copyright © 2013 International Federation of Clinical Neurophysiology. Published by Elsevier Ireland Ltd. All rights reserved.

Louis Massignon l'amour mystique ou l'extase dans l'abandon

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Jacques Keryell

2008-09-01

Full Text Available Parler de Massignon et de son Amour de Dieu n'est pas chose aisée. En effet, si les mystiques musulmans des premiers siècles de l'hégire ont été les hérauts de cet Amour : Al-Hallâj, Râbia al-Adawiyya, Al-Niffâri, Ibn Arabi, Ansâri, Al-Ghazâli, l'Amour de Dieu comme tel, n'est pas au cœur du "ilm al kalâm", de la théologie musulmane traditionnelle. Pour Massignon, langue et spiritualité étaient intimement liées. Si je devais me placer dans une perspective musulmane, je dirais que Louis Massignon se situe dans la ligne de la "wahdat al shuhûd", celle de "l'unicité du témoignage" ou Dieu se témoigne Lui-même en son mystère dans le cœur du soufi.

Inelastic neutron scattering studies of TbNiAlH1.4 and UNiAlH2.0 hydrides

International Nuclear Information System (INIS)

Bordallo, H N; Kolesnikov, A I; Kolomiets, A V; Kalceff, W; Nakotte, H; Eckert, J

2003-01-01

The optical vibrations of hydrogen in TbNiAlH 1.4 and UNiAlH 2.0 were investigated by means of inelastic neutron scattering. The experimental data were analysed, including multiphonon neutron scattering contributions, calculated in an isotropic harmonic approximation. At least two fundamental H optical peaks were observed in TbNiAlH 1.4 , and were assigned to the vibrational modes of hydrogen atoms occupying different interstitial sites in the metal sublattice. The high-energy part of the UNiAlH 2.0 spectra is characterized by strong anharmonicity, and a broad fundamental band. The latter can be accounted for by a large dispersion of phonon modes due to the strong H-H interactions, and/or different metal-hydrogen force constants, which may originate from different metal atoms surrounding the H atoms in the unit cell

Innervation zones of fasciculating motor units: observations by a linear electrode array.

Science.gov (United States)

Jahanmiri-Nezhad, Faezeh; Barkhaus, Paul E; Rymer, William Z; Zhou, Ping

2015-01-01

This study examines the innervation zone (IZ) in the biceps brachii muscle in healthy subjects and those with amyotrophic lateral sclerosis (ALS) using a 20-channel linear electromyogram (EMG) electrode array. Raster plots of individual waveform potentials were studied to estimate the motor unit IZ. While this work mainly focused on fasciculation potentials (FPs), a limited number of motor unit potentials (MUPs) from voluntary activity of 12 healthy and seven ALS subjects were also examined. Abnormal propagation of MUPs and scattered IZs were observed in fasciculating units, compared with voluntarily activated MUPs in healthy and ALS subjects. These findings can be related to muscle fiber reinnervation following motor neuron degeneration in ALS and the different origin sites of FPs compared with voluntary MUPs.

Qalandar-name. Chapter 8: “Praises to Four Imams” »

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M.R. Shamsimukhametova

2016-09-01

Full Text Available Presented fragment is the next part of the translation of the medieval poetic text “Qalandar-name” written by Abu Bakr Qalandar, the Sufi scholar from Crimea. This Chapter is devoted to praises to four founders of schools of islamic law (madhhab: an-Numan Abu Hanifa, Mukhammad ash-Shafii, Ahmad ibn Hanbal and Malik ibn Anas. Incorrect order of praises of Imams (Ibn Malik is mentioned after other three imams shows that author of source belongs to Shafii madhhab. The author mentions the virtues of these imams, making the main emphasis on their knowledge. Reviewing their accomplishments author mentions “hundred usul”, “Mystery of Mohammads soul”, relating to Abu Hanifa. Imam Ibn Hanbal was notable for metapharistic translation of Quran and was called “Imam of faithfuls”(although he was a subject of inquisition by mutazilits for his views on creation of Quran. Malik Ibn Anas “cleaned the house from war and demons”, he was “mujtaheed”; here we give our own rendering of Abu Bakr Qalandar’s assumptions. In this chapter Abu Hanifa is resembled to “mind”, ash-Shafi to “soul”, Ibn Hanbal to “key to perception”, and imam Malik to “revelation” and transition from worldly to spiritual – paring the skin, that was written by many other sufi theorists. Also Abu Bakr acknowledges the legitimacy of this four ‘mazhabs’, writing that ‘all of us should follow this four imams and their students’, meaning branches (furu’, legal thesis of madhhabs, that were introduced later by their students.

Al Qaida and Yemen- Is Our Current Policy Good Enough?

Science.gov (United States)

2011-03-23

thus contributing to waterborne diseases such as cholera and bacterial dysentery. In fact, waterborne diseases help to contribute to 70% of Yemen‟s...the capture of the United States born cleric Anwar al-Awlaki. As eluded to earlier, al-Awlaki, born in New Mexico , “is the evil genius behind AQAP‟s

Is there an ordered tetragonal phase in the Ti3Al-Nb system?

International Nuclear Information System (INIS)

Banerjee, D.

1994-01-01

In a recent series of papers, describing aging transformations in plasma sprayed Ti-24Al-11Nb, Hsiung and co-workers proposed a new ordered tetragonal structure as the first metastable phase to form in a series of transformations from quenched-in B2 to the equilibrium phase. They describe this new phase as a ''DO 3 like tetragonal structure'' with a composition Ti 5 Al 2 Nb, and lattice parameters, a = 0.65 nm and c/a ≅ 1.02. Their unit cell is constituted by 8 bcc unit cells, and the atomic coordinates of their structure are given in Table 1 on this basis. The symmetry of this structure is P4/mm. Though it is not the smallest possible unit cell for the structure, comparison with other bcc binary derivative structures is easily possible on this basis. The atomic coordinates for the latter, for a ternary composition Ti 2 AlNb, are also given. They note that the site occupation for the Hsiung et al. structure is quite distinct from that for a ternary DO 3 phase or any of the other possible bcc derivative structures (neglecting 2 possibilities with 128 or 432 atoms per unit cell(8) and interstitial ordering)

Prevalence of HCV Infections Among Hemodialysis Patients in Al ...

African Journals Online (AJOL)

1527 patients (11%) who were HCV free at the start of the study. By the end of the study, a total of 42.2% were found to be anti-HCV reactive. Conclusion: The study demonstrated high prevalence of anti-HCV in HD units in Al Gharbiyah Governorate. Similar studies must be conducted in all Egyptian governorates' HD units ...

Qualification of package units; Qualifizierung von Package Units

Energy Technology Data Exchange (ETDEWEB)

Brombacher, M.; Walter, U. [Bayer AG, Leverkusen (Germany)

1999-07-01

The use of package units in pharmaceutical plants is increasing. If they are involved in the manufacture of pharmaceuticals and have an influence on the quality of the end product, the user is required to validate the processes used. Parallel to the growing demands with respect to the automation of these units, the importance of PCS equipment has increased and with this the necessity for its qualification. Experience to date shows that the manufacturer's awareness of these requirements can be heightened still further. This paper describes approaches for improving the present situation and should be interpreted not as criticism but as providing an opportunity to increase the knowledge base and work together to define solutions which satisfy the guidelines. (orig.) [German] Der Einsatz von Package Units in Pharma-Anlagen erfaehrt zunehmende Verbreitung. Wenn sie an der Herstellung von Arzneimitteln beteiligt sind und auf die Qualitaet des Endprodukts Einfluss nehmen, unterliegen sie der Validierungspflicht, die der Anwender zu gewaehrleisten hat. Entsprechend den wachsenden Anforderungen an die Automatisierung dieser Einheiten ist auch der Stellenwert der PLT-Ausruestung angestiegen und mit ihm die Notwendigkeit von deren Qualifizierung. Die bisherige Praxis zeigt, dass die Sensbilitaet der Hersteller diesen Anforderungen gegenueber noch besser entwickelt werden kann. Der Beitrag zeigt Wege auf, um die derzeitige Situation zu verbessern und sollte nicht als Kritik sondern als Chance aufgefasst werden, den Wissensstand auszugleichen und gemeinsam zu richtliniengerechten Loesungen zu kommen. (orig.)

Demostraciones algebraicas de las ecuaciones cuadráticas en SHARḤ AL-URJŪZA AL-YĀSMĪNIYYA de IBN AL-HĀ'IM

OpenAIRE

Fadil, Abdelaziz; Puig, Luis

2014-01-01

El álgebra árabe es operar con cantidades desconocidas aplicando las mismas reglas aritméticas que operan con los números conocidos. Esta conceptualización, junto con la definición de las especies de números, ha facilitado el desarrollo del cálculo algebraico de las expresiones algebraicas. En particular, ha permitido la denominación, enunciación, clasificación y formulación de seis ecuaciones cuadráticas. Se han propuesto demostraciones ingenuas, geométricas y algebraicas de lo...

الأفكار المشبوهة حول دراسة النسخ في علوم القرآن: التعليقات والتعقيبات

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Husni Mubarrak

2016-11-01

Full Text Available This article discusses naskh in the studies of the Qur’an (‘Ulûm al-Qur’ân. The research focus begins on different understandings and interpretations on stoning punishment for adulterers who had married, based on the story of a Prophet’s companion, Umar ibn Khattab, who said that it was a part of the Qur’an until it then removed from the Qur’an, even though the law is still in force. This story is often used as an example of a naskh criteria that the script had been removed from the Qur’an, even though the law remains in force which were frequently targeted as a form of negligence and mistakes that (probably there are parts of the Qur’an forgotten, missed or even disappeared when the collecting and codifying the Qur’an in the S{ah}âbah (Companions period since the era of Abu Bakar up to Utsman ibn ‘Affan. These diverse understandings and various thinking related to naskh in al-Qur’an are awkward things which are strongly influenced by orientalism mind and thinking that then come to the surface until, in turn, led to doubt on the validity of the Qur’an that exist today until arousing some efforts to reconstruct and reorder the Qur’an based on corresponding period. This article is quietly concerned to criticize and straighten naskh understanding of the Qur’an with reference to the main reference (mother books in the tradition of ‘Ulûm al-Qur’ân (Turâts which are valid and can be justified scientifically.

PS1-12sk IS A PECULIAR SUPERNOVA FROM A He-RICH PROGENITOR SYSTEM IN A BRIGHTEST CLUSTER GALAXY ENVIRONMENT

Energy Technology Data Exchange (ETDEWEB)

Sanders, N. E.; Soderberg, A. M.; Foley, R. J.; Chornock, R.; Milisavljevic, D.; Margutti, R.; Drout, M. R.; Moe, M.; Berger, E.; Brown, W. R.; Lunnan, R. [Harvard-Smithsonian Center for Astrophysics, 60 Garden Street, Cambridge, MA 02138 (United States); Smartt, S. J.; Fraser, M.; Kotak, R.; Magill, L.; Smith, K. W.; Wright, D. [Astrophysics Research Centre, School of Maths and Physics, Queens University, Belfast BT7 1NN (United Kingdom); Huang, K. [Academia Sinica Institute of Astronomy and Astrophysics, Taipei 106, Taiwan (China); Urata, Y. [Institute of Astronomy, National Central University, Chung-Li 32054, Taiwan (China); Mulchaey, J. S., E-mail: nsanders@cfa.harvard.edu [Carnegie Observatories, 813 Santa Barbara Street, Pasadena, CA 91101 (United States); and others

2013-05-20

We report on our discovery and observations of the Pan-STARRS1 supernova (SN) PS1-12sk, a transient with properties that indicate atypical star formation in its host galaxy cluster or pose a challenge to popular progenitor system models for this class of explosion. The optical spectra of PS1-12sk classify it as a Type Ibn SN (SN Ibn; cf. SN 2006jc), dominated by intermediate-width (3 Multiplication-Sign 10{sup 3} km s{sup -1}) and time variable He I emission. Our multi-wavelength monitoring establishes the rise time dt {approx} 9-23 days and shows an NUV-NIR spectral energy distribution with temperature {approx}> 17 Multiplication-Sign 10{sup 3} K and a peak magnitude of M{sub z} = -18.88 {+-} 0.02 mag. SN Ibn spectroscopic properties are commonly interpreted as the signature of a massive star (17-100 M{sub Sun }) explosion within an He-enriched circumstellar medium. However, unlike previous SNe Ibn, PS1-12sk is associated with an elliptical brightest cluster galaxy, CGCG 208-042 (z = 0.054) in cluster RXC J0844.9+4258. The expected probability of an event like PS1-12sk in such environments is low given the measured infrequency of core-collapse SNe in red-sequence galaxies compounded by the low volumetric rate of SN Ibn. Furthermore, we find no evidence of star formation at the explosion site to sensitive limits ({Sigma}{sub H{alpha}} {approx}< 2 Multiplication-Sign 10{sup -3} M{sub Sun} yr{sup -1} kpc{sup -2}). We therefore discuss white dwarf binary systems as a possible progenitor channel for SNe Ibn. We conclude that PS1-12sk represents either a fortuitous and statistically unlikely discovery, evidence for a top-heavy initial mass function in galaxy cluster cooling flow filaments, or the first clue suggesting an alternate progenitor channel for SNe Ibn.

The fecal microbiome of ALS patients.

Science.gov (United States)

Brenner, David; Hiergeist, Andreas; Adis, Carolin; Mayer, Benjamin; Gessner, André; Ludolph, Albert C; Weishaupt, Jochen H

2018-01-01

Amyotrophic lateral sclerosis (ALS) is a fatal neurodegenerative motor neuron disease accompanied by both systemic and central nervous system-specific inflammation as well as deregulated energy metabolism. These potential pathogenetic factors have recently been found to mutually interact with the gut microbiota, raising the hypothesis of a link between microbiome alterations and ALS pathogenesis. The aim of our study was to assess whether ALS is associated with an altered composition of the fecal microbiota. We compared the fecal microbiota of 25 ALS patients with 32 age- and gender-matched healthy persons using 16S rRNA gene sequencing analysis. Confounding factors and secondary disease effects on the microbiome were minimized by selection of patients without dysphagia, gastrostomy, noninvasive ventilation, or reduced body mass index. Comparing the 2 carefully matched groups, the diversity and the abundance of the bacterial taxa on the different taxonomic levels as well as PICRUSt-predicted metagenomes were almost indistinguishable. Significant differences between ALS patients and healthy controls were only observed with regard to the overall number of microbial species (operational taxonomic units) and in the abundance of uncultured Ruminococcaceae. Conclusively, ALS patients do not exhibit a substantial alteration of the gut microbiota composition. Copyright © 2017 Elsevier Inc. All rights reserved.

A new class of ultra-hard materials based on AlMgB14

International Nuclear Information System (INIS)

Cook, B.A.; Harringa, J.L.; Lewis, T.L.; Russell, A.M.

2000-01-01

In this study, aluminum magnesium boride combined with 5 to 30 mol.% additives (AlMgB 14 :X where X = Si, P, C, AlN, TiB 2 , or BN), were prepared by mechanical alloying and consolidated by vacuum hot pressing. Matkovich and Economy first reported the orthorhombic AlMgB 14 intermetallic compound (oI64, space group Imam, a - 0.5848 nm, b = 0.8112 nm, c = 1.0312 nm), and the structure determination was later refined by Higashi and Ito. The unit cell is based on four B 12 icosahedral units centered at (0, 0, 0), (0, 0.5, 0.5), (0.5, 0, 0), and (0.5, 0.5, 0.5) within the unit cell. The remaining eight B atoms lie outside the icosahedra, bonding to the icosahedral B atoms and to the Al and Mg atoms. The Al atoms occupy a four-fold position at (0.250, 0.750, 0.250), and the Mg atoms occupy a four-fold position at (0.250, 0.359, 0). The icosahedra are arranged in distorted, close-packed layers. The unique electronic, optical, and mechanical properties of this material are due to a complex icosahedra (intericosahedral bonding). The highest hardness was observed in the AlMgB 14 + 30%TiB 2 material, which possesses a multi-phase microstructure. Here again, an increase in hardness accompanying the introduction of additional phases is somewhat surprising and difficult to explain. The possible compounds that may form at the AlMgB 14 -TiB 2 interface during hot pressing are numerous

Bulletin of Materials Science | Indian Academy of Sciences

Indian Academy of Sciences (India)

Laboratoire Corrosion-Electrochimie, Faculté des Sciences, BP 1014, Avenue Ibn Battouta, Rabat, Morocco; Laboratoire de Chimie Organique Hétérocyclique, Faculté des Sciences, BP 1014, Avenue Ibn Battouta, Rabat, Morocco; Laboratoire de Chimie Organique et d'Etudes Physico-chimiques, Ecole Normale Supérieure ...

Utilisation of mould temperature change in eliminating the Al5FeSi phases in secondary AlSi7Mg0.3 alloy

Directory of Open Access Journals (Sweden)

Bolibruchová D.

2017-03-01

Full Text Available This article describes the impact of the metal mould temperature change in eliminating the adverse effect of iron in the AlSi7Mg0.3 alloy. The kind of phases based on iron to be formed in aluminium alloys is determined by the alloy chemical composition, the melt overheating temperature prior to casting, and the cooling rate during crystallisation. In the experiment, we used three various mould temperatures, and their impact on the possible change in the adverse Al5FeSi phase, excreted in a needle form to a more compact form of Chinese writing or skeleton units. The experimental part did not use melt overheat that would result in impairment of the melt, for example due to increased gassing of the melt, as well as in a greater load on the smelting unit, thus resulting in increased energy expenditure. We can conclude from the obtained results that the mould temperature change does not have an adequate effect in eliminating the adverse effect of iron in Al-Si-Mg alloys.

AAVSO and the International Year of Light (Poster abstract)

Science.gov (United States)

Larsen, K.

2015-06-01

(Abstract only) The United Nations General Assembly has officially designated 2015 to be the International Year of Light (IYL). Modeled in part on the earlier International Year of Astronomy (IYA), this cross-disciplinary, international educational and outreach project will celebrate the importance of light in science, technology, cultural heritage, and the arts. It ties in with several important anniversaries, such as the 1000th anniversary of the publication of Ibn Al Haythem's “Book of Optics,” the 150th anniversary of Maxwell's equations of electromagnetism, the centenary of Einstein's General Theory of Relativity, and the 50th anniversary of the discovery of the Cosmic Microwave Background Radiation. Because variable stars are defined as such due to the variability of the light we observe from them, all of the AAVSO programs, regardless of type of variable or instrumentation (eye, DSLR, PEP, or CCD) have natural tie-ins to the study of light. This poster will highlight a number of specific ways that AAVSO members and the organization as a whole can become intimately involved with this unique outreach opportunity.

Development of the Philosophical Thought in Crimea during the Golden Horde Period: Sharaf al-Qrimi

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M.M. Yakubovych

2014-09-01

Full Text Available In most of contemporary studies on Islamic Philosophy, the main attention is concerned with the Classical Age (from the eighth up to the thirteenth century. It is worthy to mention that many late medieval Arabic sources still remain out of the real scholarly interest. In turn, the author of this article emphasizes that the philosophical and scientific heritage of the Crimean Khanate represents now a vital interest to researchers, above all, due to the fact that there was a significant flourishing of cultural life on the territory of Crimea and other regions of the Northern Black Sea in the 15th–17th centuries. Among other things, it should be paid special attention to the study of the development of “rational sciences”, including philosophical knowledge. In this context, the author refers to the heritage of the scholar from the Golden Horde, namely Sharaf al-Qrimi (d. 1440. His life falls on a very interesting and, in general, poorly studied period in the history of the Crimea, namely, at a time when the Crimean Yurt (Qırım Yurtu had not yet been an independent State and was a part of the Golden Horde. Creative heyday of this scientist coincided with the age of the weakening of the Golden Horde power in the Crimean yurt, which stood out in an independent State (“Khanate”, hanlığı only in 1441, during the reign of Haji Giray (d. 1466. The works of Sharaf al-Qrimi dedicated to the hermeneutics, provides a clear picture not only of some issues of Post-Classical Islamic thought, but also the development of Islamic knowledge in the Eastern European lands (in particular, in Crimea, which experienced the intensive inter-cultural transmission during the Golden Horde times. It is argued, that Sharaf al-Qrimi was under the influence of the Central Asian and Persian philosophical theology, inspired by the works of Abu ‘Ali ibn Sina and his followers. It is showed that in Crimean (and also early Ottoman context Islamic Philosophy continued

Contributions of early Arab scholars to color science

Science.gov (United States)

Lakshminarayanan, Vasudevan

2017-09-01

The Islamic world made important discoveries in the field of color science during the medieval era. These included many fundamental ideas on the nature of color. Some of the first hue scales, though partial were developed by these scholars. They also showed that color was a percept and light and color were ontologically distinct. Other contributions by these scholars include descriptions of the color mixtures, color tops, color theory, etc. A few of these contributions will be discussed in this paper with particular attention to the work of Ibn al-Haytham on color.

The Educational Values of Athiyyah ar-Rahman Book

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Maya Yunita

2018-04-01

Full Text Available Athiyyah ar-Rahman is an influential book which written by Muhammad Azhari al-Palembani ibn Abdullah ibn Ahmad or also known as Kemas Azhari (1811-1874. The book was written in 1842 and until today is learned by Islamic community in Palembang. This article tries to elucidate the values of Athiyyah ar-Rahman book from education perspectives. The discourse-historical approach of Reisigl and Wodak (2008 is used to analyze the book. The findings show that Athiyyah ar-Rahman describes six pillars of Islam. The six pillars of Islam are framing three dimensions, including personal dimension, social dimension, and transformative dimension. The personal dimension relates to the core of the education to construct the self of student. The social dimension relates to the visions for harmonizing among humans and between humans and nature. Meanwhile, the transformational dimension relates to the effect of education to solve the problems in human life as well as transform the society. Based on the analysis, the educational values of Athiyyah ar-Rahman could be summarized as follows: religiosity, spirituality, morality, solidarity, tolerance, environmentalism, pragmatism and transformational.

Platinum triangles in the Pt/Al framework of the intermetallic REPt{sub 6}Al{sub 3} (RE = Ce-Nd, Sm, Gd, Tb) series

Energy Technology Data Exchange (ETDEWEB)

Eustermann, Fabian; Stegemann, Frank; Renner, Konstantin [Institut fuer Anorganische und Analytische Chemie, Westfaelische Wilhelms-Universitaet Muenster (Germany); Janka, Oliver [Institut fuer Anorganische und Analytische Chemie, Westfaelische Wilhelms-Universitaet Muenster (Germany); Institut fuer Chemie, Carl von Ossietzky Universitaet Oldenburg (Germany)

2017-12-13

The compounds of the REPt{sub 6}Al{sub 3} series (RE = Ce-Nd, Sm, Gd, Tb) were obtained by reaction of the elements via arc-melting. They were characterized by powder and single-crystal X-ray diffraction (NdPt{sub 6}Al{sub 3}: wR = 0.0432, 759 F{sup 2} values, 33 variables) as well as by magnetic susceptibility measurements. The isostructural compounds crystallize with a new structure type in the trigonal crystal system with space group R anti 3c, twelve formula units in the unit cell, and lattice parameters of a = 752-755 and c = 3882-3945 pm. The crystal structure can be described by different slabs stacked along [001]. One layer features Pt{sub 3} triangles, centering the cavities of a flat honeycomb RE layer that are arranged in a..ABCA{sup '}B{sup '}C{sup '}.. sequence. The other layer consists of condensed hexagonal [Pt{sub 6}Al{sub 6}] prisms, centered by Pt atoms, separating the before mentioned slabs. Magnetic measurements revealed that all rare-earth atoms are in the trivalent oxidation state, however, due to the low lanthanoide content magnetic ordering phenomena were observed only at low temperatures [SmPt{sub 6}Al{sub 3}: T{sub C} = 5.0(1) K; GdPt{sub 6}Al{sub 3}: T{sub C} = 7.3(1) K; TbPt{sub 6}Al{sub 3}: T{sub N} = 3.6(1) K]. (copyright 2017 WILEY-VCH Verlag GmbH and Co. KGaA, Weinheim)

Terrestrial Magnetism in Ottoman Empire: Documents and Measurements

Science.gov (United States)

Ozcep, Ferhat

2016-04-01

In the modern sense, geophysics started with geomagnetic works in the 1600s in Ottoman geography. The period between 1600 and 1800 includes the measurement of magnetic declination, inclination and magnetic field strength. Before these years, there is a little information, such as how to use a compass, in the Kitab-i Bahriye (the Book of Navigation) of Piri Reis, who is one of the most important mariners of the Ottoman Empire. However, this may not mean that magnetic declination was generally understood. The first Turkish scientific book relating to terrestrial magnetism is the book of Fuyuzat-i Miknatissiye that was translated by Ibrahim Müteferrika and printed in 1731. The subject of this book is earth's magnetism. Magnetic compass was mentioned in several books. These areMuhammed al Awfi's "Jami al- Hikayat" (translated into Turkish by Ibn Arabşah); Piri Reis's Kitab-I Bahriye (The Book of "Navigation" or "Seafaring" or "Sea"); Seydi Ali Reis's "Risale-i Mirat-I Kainat min Alat-I Irtifa" (The Treatise called the Mirror of Universe according to the instrument for measuring Altitude) and Kitab Al-"Muhit" Fi˙Ilm'al-Eflak Va'l Abhur (Book of the Regional Seas and the Science of Astronomy and Navigation). There are two original magnetic declination determinations in Istanbul in 1727 and 1893 by Ottoman Turks. Also, many geomagnetic measurements between 1600 and 1917 were carried out during international campaigns in Ottoman geography.This study was carried out in History and Philosophy of Science, University of Cambridge and supported by Istanbul University Reseach Project Unite (project Numbver: IRP-49162).

108 Étude bactériologique comparative des fromages frais ...

African Journals Online (AJOL)

AKA BOKO

Youness CHBAB1, Abdelhak DRIOUICH1, Zakaria MENNANE2 et Mohammed OUHSSINE1. 1Laboratoire de Biotechnologie, Environnement et Qualité, Département de Biologie, Faculté des Sciences,. Université Ibn Tofaïl, BP 133, 14000 Kenitra, Maroc. 2Institut National d'Hygiène, Avenue Ibn Battouta, Rabat, Agdal, BP ...

From Baghdad to Boston: International Transfer of Burned Children in Time of War

Science.gov (United States)

2014-10-01

Afghani- stan.1 At the busiest CSH in Iraq, located at Ibn Sina Hospital in Baghdad, many of these burned children underwent wound care and discharge...Iraq by a commercial airline, again funded by the Iraqi Children’s Project. The patients followed up with U.S. Army personnel at Ibn Sina Hospital

Images in medicine

African Journals Online (AJOL)

abp

30 déc. 2015 ... Gastrinome duodénal sporadique. Hicham Sator1,&, Leila Sbihi1. 1Hôpital Avicenne, Service de Radiologie Centrale, CHU Ibn Sina, Rabat, Maroc. &Corresponding author: Hicham Sator, Hôpital Avicenne, Service de Radiologie Centrale, CHU Ibn Sina ,Rabat, Maroc. Key words: Duodénum, gastrinome, ...

Contribution of radio-iodine 131 in the treatment of Grave's Basedow disease in the department of nuclear medicine of Ibn Sina Hospital in Rabat

International Nuclear Information System (INIS)

Mbodj, M.; Amjad, I.; Guerrouj, H.; Ben Rais, N.A.

2009-01-01

One hundred and twenty-nine Grave's Basedow diseases in any gender and variable age patients, coming from several cities of Morocco, were randomized in a study of radio-iodine treatment who took place at the nuclear medicine department of Ibn Sina Hospital (Rabat, Morocco) during the period (from January 2001 to December 2008). The radio-iodine treatment was a first, second or third option and radio-iodine activities delivered varied (from 222 to 555 MBq 6 to 15 mCi) according to the age, the thyroid volume, the degree of hyperthyroidism and socio-economical situation. The high amounts of 131 I were reserved especially to the patients who live far and whose socio-economic level is low with an aim of quickly obtaining an easily controllable state of hypothyroidism by a substitute treatment. The results showed that: (1) 57.36% of patients reverted to euthyroidism (n = 74) with a patient having received two 131 I cures. The second cure was justified by recurrence of hyperthyroidism after the first cure; (2) 34.88% passed in hypothyroidism (n = 45) with three patients having received two cures of 131 I, the second cure was justified by recurrence of hyperthyroidism after the first cure in two patients and by the persistence of the hyperthyroidism after the first cure for the third patient. The average time of passage in hypothyroidism was 4.5 months; (3) 7.76% had remained in hyperthyroidism after the radioactive iodine treatment. Finally, 92.24% of our patients treated by radioactive iodine had passed in euthyroidism or hypothyroidism against 7.76% whose hyperthyroidism had persisted or occurred. (authors)

26Al in the interstellar medium

International Nuclear Information System (INIS)

Clayton, D.D.; Leising, M.D.

1987-01-01

Several different lines of physical reasoning have converged on the importance of the radioactive nucleus 26 Al. The sciences of meteoritics, nucleosynthesis, gamma-ray astronomy, galactic chemical evolution, solar system formation, and interstellar chemistry all place this nucleus in a central position with possible profound implications. Perhaps more importantly the study of this radioactivity can unite these diverse fields in a complicated framework which will benefit all of them. This review traces the evolution of ideas concerning 26 Al in the context of these disciplines. 26 Al was first discussed for the possibility that its decay energy could melt meteorite parent bodies, and its daughter, 26 Mg, was later found in meteorites with enhanced abundance. It was also among the first radioactivities expected to be synthesized in interestingly large quantities in nulceosynthetic events. The first definitive detection of gamma-rays from an interstellar radioactivity is that of 1.809 MeV gamma-rays from 26 Al. This discovery has many implications, some of which are outlined here. The whole problem of isotopic anomalies in meteorites is greatly influenced by the specific issues surrounding excess 26 Mg, whether it represents in situ decay of 26 Al or memory of conditions of the ISM. The relationships among these ideas and their implications are examined. (orig.)

Pediatric and youth traffic-collision injuries in Al Ain, United Arab Emirates: a prospective study.

Science.gov (United States)

Grivna, Michal; Eid, Hani O; Abu-Zidan, Fikri M

2013-01-01

To study the mechanism of road traffic collisions (RTC), use of safety devices, and outcome of hospitalized pediatric and youth RTC injured patients so as to give recommendations regarding prevention of pediatric RTC injuries. All RTC injured children and youth (0-19-year-olds) who were admitted to Al Ain City's two major trauma centers or who died after arrival to these centers were prospectively studied from April 2006 to October 2007. Demography of patients, road-user and vehicle types, crash mechanism, usage of safety devices, injured body regions, injury severity, Revised Trauma Score, Glasgow Coma Scale, intensive care unit admissions, hospital stay and mortality were analyzed. 245 patients were studied, 69% were vehicle occupants, 15% pedestrians, 9% motorcyclists and 5% bicyclists. 79% were males and 67% UAE citizens. The most common mechanism of RTC was rollover of vehicle (37%) followed by front impact collision (32%). 32 (13%) of vehicle occupants were ejected from car. 63% of ejected occupants and 70% of motorcyclists sustained head injuries. Only 2% (3/170) vehicle passengers used seatbelts and 13% (3/23) motorcyclists a helmet. Male drivers and UAE nationals were at high risk of RTC as drivers and as motorcyclists. Ejection rate was high because safety restraint use was extremely low in our community. More education and law enforcement focusing especially on car/booster seat use is needed.

The Effect of Al on the Compressibility of Silicate Perovskite

Science.gov (United States)

Walter, M. J.; Kubo, A.; Yoshino, T.; Koga, K. T.; Ohishi, Y.

2003-12-01

Experimental data on compressibility of aluminous silicate perovskite show widely disparate results. Several studies show that Al causes a dramatic increase in compressibility1-3, while another study indicates a mild decrease in compressibility4. Here we report new results for the effect of Al on the room-temperature compressibility of perovskite using in situ X-ray diffraction in the diamond anvil cell from 30 to 100 GPa. We studied compressibility of perovskite in the system MgSiO3-Al2O3 in compositions with 0 to 25 mol% Al. Perovskite was synthesized from starting glasses using laser-heating in the DAC, with KBr as a pressure medium. Diffraction patterns were obtained using monochromatic radiation and an imaging plate detector at beamline BL10XU, SPring8, Japan. Addition of Al into the perovskite structure causes systematic increases in orthorhombic distortion and unit cell volume at ambient conditions (V0). Compression of the perovskite unit cell is anisotropic, with the a axis about 25% and 3% more compressive than the b and c axes, respectively. The magnitude of orthorhombic distortion increases with pressure, but aluminous perovskite remains stable to at least 100 GPa. Our results show that Al causes only a mild increase in compressibility, with the bulk modulus (K0) decreasing at a rate of 0.7 GPa/0.01 XAl. This increase in compressibility is consistent with recent ab initio calculations if Al mixes into both the 6- and 8-coordinated sites by coupled substitution5, where 2 Al3+ = Mg2+ + Si4+. Our results together with those of [4] indicate that this substitution mechanism predominates throughout the lower mantle. Previous mineralogic models indicating the upper and lower mantle are compositionally similar in terms of major elements remain effectively unchanged because solution of 5 mol% Al into perovskite has a minor effect on density. 1. Zhang & Weidner (1999). Science 284, 782-784. 2. Kubo et al. (2000) Proc. Jap. Acad. 76B, 103-107. 3. Daniel et al

The concept of lifestyle factors, based on the teaching of avicenna (ibn sina).

Science.gov (United States)

Choopani, Rasool; Emtiazy, Majid

2015-01-01

According to the definition stated in the beginning of the "Al-Qanun fi al-Tibb" (the Qanun of Medicine); medicine is a science, from which one learns the states of the human body; health and disease and what causes them, in order to preserve good health when it exists, and restore it when it is lacking. Based on this issue, Avicenna believes that medical science belongs to all human without any limitation, and maintenance of health is one of its prime objectives. He states that many disorders are related to errors in the 6 factors, which are essential for maintaining health and preventing diseases. Avicenna described these six essential factors (lifestyle factors) in his masterpiece, Qanun of Medicine, as "Asbab-e-Settah-e-Zaruriah." Based on the teaching of Avicenna, the first step for maintaining health and approaches to treatment is modification of lifestyle factors, including of nutrition, physical activity, etc.

Contribution of radio-iodine 131 in the treatment of Grave's Basedow disease in the department of nuclear medicine of Ibn Sina Hospital in Rabat; Apport de l'iode 131 dans le traitement de la maladie de Basedow dans le service de medecine nucleaire de l'hopital Ibn Sina de Rabat

Energy Technology Data Exchange (ETDEWEB)

Mbodj, M.; Amjad, I. [Faculte de Medecine de Dakar, Lab. de Biophysique et de Medecine Nucleaire, UCAD, Dakar (Senegal); Guerrouj, H.; Ben Rais, N.A. [Hopital Ibn Sina de Rabat, Service de Medecine Nucleaire, Rabat (Morocco)

2009-10-15

One hundred and twenty-nine Grave's Basedow diseases in any gender and variable age patients, coming from several cities of Morocco, were randomized in a study of radio-iodine treatment who took place at the nuclear medicine department of Ibn Sina Hospital (Rabat, Morocco) during the period (from January 2001 to December 2008). The radio-iodine treatment was a first, second or third option and radio-iodine activities delivered varied (from 222 to 555 MBq 6 to 15 mCi) according to the age, the thyroid volume, the degree of hyperthyroidism and socio-economical situation. The high amounts of {sup 131}I were reserved especially to the patients who live far and whose socio-economic level is low with an aim of quickly obtaining an easily controllable state of hypothyroidism by a substitute treatment. The results showed that: (1) 57.36% of patients reverted to euthyroidism (n = 74) with a patient having received two {sup 131}I cures. The second cure was justified by recurrence of hyperthyroidism after the first cure; (2) 34.88% passed in hypothyroidism (n = 45) with three patients having received two cures of {sup 131}I, the second cure was justified by recurrence of hyperthyroidism after the first cure in two patients and by the persistence of the hyperthyroidism after the first cure for the third patient. The average time of passage in hypothyroidism was 4.5 months; (3) 7.76% had remained in hyperthyroidism after the radioactive iodine treatment. Finally, 92.24% of our patients treated by radioactive iodine had passed in euthyroidism or hypothyroidism against 7.76% whose hyperthyroidism had persisted or occurred. (authors)

Summary of Independent Assessment of U.S. Government Efforts against Al-Qaeda

Science.gov (United States)

2017-10-01

several discrete “approaches” that the United States has used to combat Al-Qaeda over the past 16 years—in effect, we detailed the toolkit that the...on Al-Qaeda and like-organizations for all, or a large portion of, their careers Scoping Given the magnitude of the topics directed for study by the

[Al3+ Absorption and Assimilation by Four Ectomycorrhizal Fungi].

Science.gov (United States)

Wang, Ming-xia; Yuan, Ling; Huang, Jian-guo; Zhou, Zhi-feng

2015-09-01

The present experiment was carried out in order to know the resistance mechanism of the ectomycorrhizal (ECM) fungi under Al stress, to establish the theoretical foundation to alleviate the Al toxicity of trees, to guide the selection of Al-resisted ECM fungi and preserve forest health. The absorption and assimilation of Al3+ by four ECM fungi [Pisolithus tinctorius (Pt 715), Suillus luteus (Sl 08 and Sl 14), Gyroporus cyanescens (Gc 99)], which were isolated from different forest soils, were investigated in pure culture in liquid media. The growths of Pt 715 and Sl 08 were less affected by Al3+, but growths of S114 and Gc 99 were obviously inhibited by Al3+. With the increasing of Al3+ concentration in culture, the absorption and assimilation of Al3+ by four ECM fungi increased. It indicated that the concentration of Al3+ in environments might be the primary factor determining the Al3+ content in the cell of each tested fungi. Amounts of Al3+ absorbed (in total or calculated in unit hyphae) by the Al3+ tolerant strains (Pt 715 and Sl 08) were significantly lower than those by the Al3+ sensitive strains (S1 14 and Gc 99), which illustrated that reducing the absorption of Al3+ under Al3+ stress environment might be an effective approach to alleviate the Al3+ poison for these Al3+ tolerant strains. Furthermore, Al3+ stress could stimulate the ECM fungi to assimilate more N, P, and K, which might indicate that increasing requirement of the nutrients also could be helpful for ECM fungi to fight against the harmful effects caused by Al3+ stress.

Shift Focus on the Al Qaeda Network: A More Comprehensive Approach to Defeating Al Qaeda

Science.gov (United States)

2012-06-15

Declaration of jihad against the United States,” Al-Islah ( Internet ), September 2, 1996. As analyzed in Michael Scheuer, Osama bin Laden (New York...He enhanced his charismatic persona by deliberately modeling his life after that of Mohammed, the Islamic prophet.25 The irony of bin Laden is that...with the sensitive topic of a political ideology linked with a religion whose population is overwhelmingly distrustful of the U.S. Much has been made

Experiment and Simulation Analysis on Noise Attenuation of Al/MF Cylindrical Shells

Directory of Open Access Journals (Sweden)

Bin Li

2017-01-01

Full Text Available For the issue concerning internal noise reduction of Al-made cylindrical shell structure, the noise control method of laying melamine foam (MF layer is adopted for in-shell noise attenuation experiments of Al and Al/MF cylindrical shells and corresponding internal noise response spectrograms are obtained. Based on the Virtual.Lab acoustics software, a finite element model is established for the analysis of noise in the Al/MF cylinder shell and numerical simulation computation is conducted for the acoustic mode and in-shell acoustic response; the correctness of the finite element model is verified via comparison with measured data. On this basis, influence rules of different MF laying rate and different laying thickness on acoustic cavity resonance response within the low and medium frequency range of 100–400 Hz are studied. It is indicated that noise reduction increases with MF laying rate, but the amplification decreases along with the rising of MF laying rate; noise reduction per unit thickness decreases with the increase of laying thickness, while noise reduction per unit area increases.

Towards atomic scale engineering of rare-earth-doped SiAlON ceramics through aberration-corrected scanning transmission electron microscopy

International Nuclear Information System (INIS)

Yurdakul, Hilmi; Idrobo, Juan C.; Pennycook, Stephen J.; Turan, Servet

2011-01-01

Direct visualization of rare earths in α- and β-SiAlON unit-cells is performed through Z-contrast imaging technique in an aberration-corrected scanning transmission electron microscope. The preferential occupation of Yb and Ce atoms in different interstitial locations of β-SiAlON lattice is demonstrated, yielding higher solubility for Yb than Ce. The triangular-like host sites in α-SiAlON unit cell accommodate more Ce atoms than hexagonal sites in β-SiAlON. We think that our results will be applicable as guidelines for many kinds of rare-earth-doped materials.

Ground-water exploration in Al Marj area, Cyrenaica, United Kingdom of Libya

Science.gov (United States)

Newport, T.G.; Haddor, Yousef

1963-01-01

The present report, based largely on fieldwork during 1959-61, describes the results of reconnaissance hydrogeologic studies and exploratory drilling to evaluate the general water-bearing properties of the rocks and the availability of groundwater supplies for irrigation, stock, and village uses in Al Marj area. These studies and the drilling were conducted under the auspices of the U.S. Operations Mission of the International Cooperation Administration. Al Marj area, located in the Province of Cyrenaica on the southern coast of the Mediterranean Sea, contains a land area of about 6,770 square kilometers. Along the Mediterranean shore is a narrow coastal plain that rises evenly to the base of an escarpment that forms the seaward front of an undulating plateau known as. Al Jabal al Akhgiar. The climate is semiarid; seasonal rainfall occurs during the winter months. Owing to orographic effects, the rainfall is somewhat higher in the Jabal than in the coastal plain. The average annual rainfall ranges from about 250 millimeters in the coastal plain to 450 millimeters on the Jabal. All the streams (wadis) of the area are ephemeral and flow only in response to heavy rains of the winter season. From a drainage divide on the Jabal some streams flow north and northwest toward the sea and the others, south and southeast to the interior desert. Solution features, such as limestone sink holes, are common in the coastal plain and a large solution depression occurs near Al Marj. The rocks of A1 Marj area consist predominantly of limestone and some sandstone and shale; they range from Cretaceous to Miocene age. On the coastal plain Miocene limestone is locally mantled by Quaternary alluvial, beach and lagoonal deposits. The Miocene and older beds have a regional southerly dip. These rocks are broken by northeast-trending normal faults in the coastal and inland escarpments. The ground-water reservoir is contained chiefly in fractures, bedding planes, and solution openings in the

Al-Qurû’ fi Al-Qur’an ‘Inda Al-Anbary fi Al-Adhdâd

Directory of Open Access Journals (Sweden)

Raushani Azza

2018-03-01

Full Text Available This study examines about the term al-Qurû in the Qur’an. Al-Qurû is one of the most popular discussions among muslim scholars and mufasir, both in terms of language and fiqh. However, there is a bate among muslim scholar and mufasir about the meaning of al-Qurû. It’s because al-Qurû is one of the sentence of al-Adhdâd wich has two meaning, especially in the Qur’an, namely haid (menstruation and thahr. One of the most popular muslim scholar who concern in Qur’an and Arabic is al-Anbari with his book al-Adhdâd. Al-Anbari explains that Qurû has two meanings, First, al-Qurû in etymology is the form of Jama’ from aqra and qurû. Second, al-Qurû has a meaning of menstruation, thahr, or the period of iddah as a sign of being allowed to remarry after certain period of time.

5.4. The technology of complex reprocessing of Tok-Mack deposit al-unites

International Nuclear Information System (INIS)

Nazarov, Sh.B.; Safiev, Kh.S.; Mirsaidov, U.

2008-01-01

On the base of passed investigations and obtained results of al-unitesraw materials reprocessing author present the technology of complexreprocessing of these ores on: sulfuric salts; potassium sulfates, sodium andnatrium carbonate; calcium sulfates, alumina

The Election of ‘Uthmân as the Caliph

OpenAIRE

HANÇABAY, Halil İbrahim

2014-01-01

When Abū Bakr became ill and was not able to lead the prayer any more, he appointed ‘Umar ibn al-Khattāb to lead the prayer. After that Abū Bakr consulted with some prominent sahabā and approved to assign ‘Umar in his place as caliph. Thus ‘Umar became the second caliph of the Muslims without any dispute. But although he was appointed by Abū Bakr, he did not adopt the method which Abū Bakr applied, and afterbthe attack on him he established the shūra council in order to elect the new caliph....

The Election of ‘Uthmân as the Caliph

OpenAIRE

HANÇABAY, Halil İbrahim

2015-01-01

When Abū Bakr became ill and was not able to lead the prayer any more, he appointed ‘Umar ibn al-Khattāb to lead the prayer. After that Abū Bakr consulted with some prominent sahabā and approved to assign ‘Umar in his place as caliph. Thus ‘Umar became the second caliph of the Muslims without any dispute. But although he was appointed by Abū Bakr, he did not adopt the method which Abū Bakr applied, and afterbthe attack on him he established the shūra council in order to elect the new caliph....

Aḥmad Muṣṭafā Ṭāshkubrīzāde’s (d. 968/1561 polemical tract against Judaism

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Schmidtke, Sabine

2008-06-01

Full Text Available This article deals with a short polemical tract against Judaism written by the well-known Ottoman scholar Aḥmad Muṣṭafā Ṭāshkubrīzāde (d. 968/1560. The author uses the same arguments known to us from medieval polemics, viz. that the Torah, which was abrogated by Islam, contains references to the Prophet Muḥammad, despite the fact that it was tampered with by the Jews. In addition to the Bible, Ṭāshkubrīzāde quotes a number of later Jewish sources that add an important dimension to his tract. After a brief introduction in which the possibility of the author's indebtedness to Ibn Abī ‘Abd al-Dayyān, a Jewish convert to Islam, is discussed, an edition and translation of the text are provided.

Este artículo estudia un corto tratado de polémica en contra del judaísmo escrito por el conocido erudito otomano Aḥmad Muṣṭafā Ṭāšhkubrīzāde (m. 968/1560. El autor utiliza los mismos argumentos que conocemos de la polémica religiosa medieval, tales como que la Torah, abrogada por el Islam, contenía referencias al Profeta Muḥammad a pesar de que su texto fue corrompido por los judíos. Además de la Biblia, Ṭāšhkubrīzāde cita una serie de fuentes judías tardías que añaden una importante dimensión a este trabajo. Después de una breve introducción en que se discute la posibilidad de la deuda del autor respecto a la obra de Ibn Abī ‘Abd al-Dayyān, un converso del judaísmo al Islam, se presenta una edición y traducción del texto.

Pediatric and youth traffic-collision injuries in Al Ain, United Arab Emirates: a prospective study.

Directory of Open Access Journals (Sweden)

Michal Grivna

Full Text Available AIM: To study the mechanism of road traffic collisions (RTC, use of safety devices, and outcome of hospitalized pediatric and youth RTC injured patients so as to give recommendations regarding prevention of pediatric RTC injuries. METHODS: All RTC injured children and youth (0-19-year-olds who were admitted to Al Ain City's two major trauma centers or who died after arrival to these centers were prospectively studied from April 2006 to October 2007. Demography of patients, road-user and vehicle types, crash mechanism, usage of safety devices, injured body regions, injury severity, Revised Trauma Score, Glasgow Coma Scale, intensive care unit admissions, hospital stay and mortality were analyzed. RESULTS: 245 patients were studied, 69% were vehicle occupants, 15% pedestrians, 9% motorcyclists and 5% bicyclists. 79% were males and 67% UAE citizens. The most common mechanism of RTC was rollover of vehicle (37% followed by front impact collision (32%. 32 (13% of vehicle occupants were ejected from car. 63% of ejected occupants and 70% of motorcyclists sustained head injuries. Only 2% (3/170 vehicle passengers used seatbelts and 13% (3/23 motorcyclists a helmet. CONCLUSIONS: Male drivers and UAE nationals were at high risk of RTC as drivers and as motorcyclists. Ejection rate was high because safety restraint use was extremely low in our community. More education and law enforcement focusing especially on car/booster seat use is needed.

[Retrospective study of neuromeningeal cryptococcosis in patients infected with HIV in the infectious diseases unit of university hospital of Casablanca, Morocco].

Science.gov (United States)

Dollo, I; Marih, L; El Fane, M; Es-Sebbani, M; Sodqi, M; Oulad Lahsen, A; Chakib, A; El Kadioui, F; Hamdani, A; El Mabrouki, M J; Soussi Abdallaoui, M; Karima, Z; Hassoune, S; Maaroufi, A; Marhoum El Filali, K

2016-12-01

To report the cases of neuromeningeal cryptococcosis and to describe the clinical, paraclinical, therapeutic and outcomes of patients. Retrospective study of 43 patients infected with HIV admitted from January first 2010 to June 30th 2015 in the infectious disease unit of UHC Ibn Rochd, for neuromeningeal cryptococcus. The mean frequency of neuromeningeal cryptococcosis in patients infected with HIV was 1.4%. The mean age was 39 years and a sex ratio of 1.38. The mean CD4 count was 70 cells/mm 3 . The diagnosis of HIV was revealed by neuromeningeal cryptococcus in 77% of cases. Fifteen days interval was reported between the first symptom and hospital admission. Headache (77%) was the most represented clinical sign. The cerebrospinal fluid analysis showed hypoglycorachy (67%), hyperproteinorachy (65%) and lymphocytosis (63%). Chinese ink direct examination for Cryptococcus neoformans in CSF was positive in 86% of cases and all cases were positive after culture on Sabouraud's medium. Patients were treated with monotherapy amphotericin B (42%) or fluconazole (28%) and bitherapy amphotéricine B/fluconazole (28%). Fatal evolution was observed in 60% of cases. Neuromeningeal cryptococcosis remains a severe opportunistic infection in HIV patients with a heavy mortality rate. Copyright © 2016 Elsevier Masson SAS. All rights reserved.

Al-Âyah al-Mutasyâbihât al-Lafzhiyyah fi Sûrah al-An’âm ‘Inda al-Kirmâny

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Hikmatiar Pasya

2017-07-01

Full Text Available This paper discusses about the verses of mutasyâbihât in the Quran. The debate of this verses caused various opinions. The meaning of the mutasyâbihât in this paper is the similarity and difference of the words in the Qur'an. Mufasir have different opinion about the meaning of the verse of mutasyâbihât al-lafdzi. In addition, many Hufadz of the Quran who are confused from one verse to another, or one chapter to another. It’s because similarity of verses in the Qur'an with other verses. So the writer wants to explain the verses mutasyâbihât al-lafdzi in the perspective of Hamzh al-Karmani in Surah al-An'âm. In this discussion the author discovers some passages in mutasyâbihât al-lafdzi, namely Asrâru al-balaghah fi mutasyabih al-lafdzi, Asrar al-balaghah fi mutasyabih al-hurf, and murâ'ah al-ikhtilâfmurâd bi al-lafdzi al-mukarrar.

CROATIAN ADULT SPOKEN LANGUAGE CORPUS (HrAL

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Jelena Kuvač Kraljević

2016-01-01

Full Text Available Interest in spoken-language corpora has increased over the past two decades leading to the development of new corpora and the discovery of new facets of spoken language. These types of corpora represent the most comprehensive data source about the language of ordinary speakers. Such corpora are based on spontaneous, unscripted speech defined by a variety of styles, registers and dialects. The aim of this paper is to present the Croatian Adult Spoken Language Corpus (HrAL, its structure and its possible applications in different linguistic subfields. HrAL was built by sampling spontaneous conversations among 617 speakers from all Croatian counties, and it comprises more than 250,000 tokens and more than 100,000 types. Data were collected during three time slots: from 2010 to 2012, from 2014 to 2015 and during 2016. HrAL is today available within TalkBank, a large database of spoken-language corpora covering different languages (https://talkbank.org, in the Conversational Analyses corpora within the subsection titled Conversational Banks. Data were transcribed, coded and segmented using the transcription format Codes for Human Analysis of Transcripts (CHAT and the Computerised Language Analysis (CLAN suite of programmes within the TalkBank toolkit. Speech streams were segmented into communication units (C-units based on syntactic criteria. Most transcripts were linked to their source audios. The TalkBank is public free, i.e. all data stored in it can be shared by the wider community in accordance with the basic rules of the TalkBank. HrAL provides information about spoken grammar and lexicon, discourse skills, error production and productivity in general. It may be useful for sociolinguistic research and studies of synchronic language changes in Croatian.

76 FR 23342 - Russell Investment Management Company, et al.;

Science.gov (United States)

2011-04-26

...] Russell Investment Management Company, et al.; Notice of Application April 20, 2011. AGENCY: Securities...: Applicants request an order that would permit (a) series of certain open-end management investment companies... registered management investment companies and unit investment trusts outside of the same group of investment...

Linear thermal expansion coefficient of MgAl2O4(s)

International Nuclear Information System (INIS)

Dash, A.; Samui, P.; Naik, Y.P.; Chaudhary, Z.S.

2011-01-01

The coefficient of linear thermal expansion (α av ) of MgAl 2 O 4 (s) has been determined using a Netzsch 402 PC dilatometer with Al 2 O 3 (s) as the push-rod. The change in length per unit length was recorded as a function of temperature between room temperature to 1273 K at a heating rate of 8 K.min /1 , in argon flowing atmosphere. The average of three measurements was quoted as the α av for MgAl 2 O 4 (s). The linear thermal expansion was measured to an accuracy of ±3%. (author)

Critical values for unit root tests in seasonal time series

NARCIS (Netherlands)

Ph.H.B.F. Franses (Philip Hans); B. Hobijn (Bart)

1997-01-01

textabstractIn this paper, we present tables with critical values for a variety of tests for seasonal and non-seasonal unit roots in seasonal time series. We consider (extensions of) the Hylleberg et al. and Osborn et al. test procedures. These extensions concern time series with increasing seasonal

Fabrication and Characterization of Al/NiO Energetic Nanomultilayers

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YiChao Yan

2015-01-01

Full Text Available The redox reaction between Al and metallic oxide has its advantage compared with intermetallic reaction and Al/NiO nanomutlilayers are a promising candidate for enhancing the performance of energetic igniter. Al/NiO nanomutlilayers with different modulation periods are prepared on alumina substrate by direct current (DC magnetron sputtering. The thicknesses of each period are 250 nm, 500 nm, 750 nm, 1000 nm, and 1500 nm, respectively, and the total thickness is 3 μm. The X-ray diffraction (XRD and scanning electron microscope (SEM results of the as-deposited Al/NiO nanomutlilayers show that the NiO films are amorphous and the layered structures are clearly distinguished. The X-ray photoelectron spectroscopy (XPS demonstrates that the thickness of Al2O3 increases on the side of Al monolayer after annealing at 450°C. The thermal diffusion time becomes greater significantly as the amount of thermal boundary conductance across the interfaces increases with relatively smaller modulation period. Differential scanning calorimeter (DSC curve suggests that the energy release per unit mass is below the theoretical heat of the reaction due to the nonstoichiometric ratio between Al and NiO and the presence of impurities.

Missing lynx and trophic cascades in food webs: A reply to Ripple et al.

Science.gov (United States)

John R. Squires; Nicholas J. DeCesare; Mark Hebblewhite; Joel Berger

2012-01-01

Ripple et al. (2011) proposed a hypothesis that the recovery of gray wolves (Canis lupus) may positively affect the viability of threatened Canada lynx (Lynx canadensis) populations in the contiguous United States through indirect species interactions. Ripple et al. (2011) proposed 2 key trophic linkages connecting wolf restoration with lynx recovery. First, recovering...

Diffusion-induced quadrupole relaxation of 27Al nuclei in dilute Al-Ti, Al-Cr, Al-Mn, and Al-Cu alloys at high temperatures

International Nuclear Information System (INIS)

Bottyan, L.; Beke, D.L.; Tompa, K.

1983-01-01

The temperature dependence of the laboratory frame spin-lattice relaxation time of 27 Al nuclei is measured in 5N Al and in dilute Al-Ti, Al-Cr, Al-Mn, and Al-Cu alloys at 5.7 and 9.7 MHz resonance frequencies. The relaxation in pure aluminium is found to be purely due to the conduction electrons. An excess T 1 -relaxation contribution is detected in all Al-3d alloys investigated above 670 K. The excess relaxation rate is proportional to the impurity content and the temperature dependence of the excess contribution is of Arrhenius-type with an activation energy of (1.3 +- 0.3) eV for all of the investigated alloys. The relaxation contribution is found to be quadrupolar in origin and is caused by the relative diffusional jumps of solute atoms and Al atoms relatively far from the impurity. (author)

Interfacial phenomena in the reactions of Al-B, Al-Ti-B, and Al-Zr-B alloys with KF-AlF3 and NaF-AlF3 melts

International Nuclear Information System (INIS)

Lee, M.S.; Terry, B.S.; Grieveson, P.

1993-01-01

The interfacial phenomena occurring during the contacting of liquid Al-B, Al-Ti-B, and Al-Zr-B melts with KF-AlF 3 liquid fluxes have been investigated by optical examination of quenched metal drops previously immersed in the liquid fluxes. Reactions in the Al-B/KF-AlF 3 system involve the formation of metastable AlB 12 at the metal/flux interface. At high KBF 4 levels in the flux, the AlB 12 is dispersed in the flux and also at low KBF 4 levels in the metal. Reactions in the Al-Ti-B/KF-AlF 3 system involve the formation of TiB 2 , which may be dispersed in either the metal or the flux depending upon the composition of the flux. The results obtained for the Al-Ti-B/NaF-AlF 3 and Al-Zr-B/KF-AlF 3 systems were similar to those observed for the Al-Ti-B/KF-AlF 3 system

Investigation of the Electrical Characteristics of Al/p-Si/Al Schottky Diode

International Nuclear Information System (INIS)

Şenarslan, Elvan; Güzeldir, Betül; Sağlam, Mustafa

2016-01-01

In this study, p-type Si semiconductor wafer with (100) orientation, 400 μm thickness and 1-10 Ω cm resistivity was used. The Si wafer before making contacts were chemically cleaned with the Si cleaning procedure which for remove organic contaminations were ultrasonically cleaned at acetone and methanol for 10 min respectively and then rinsed in deionized water of 18 MΩ and dried with high purity N 2 . Then respectively RCA1(i.e., boiling in NH 3 +H 2 O 2 +6H 2 O for 10 min at 60°C ), RCA2 (i.e., boiling in HCl+H 2 O 2 +6H 2 O for 10 min at 60°C ) cleaning procedures were applied and rinsed in deionized water followed by drying with a stream of N 2 . After the cleaning process, the wafer is immediately inserted in to the coating unit. Ohmic contact was made by evaporating of Al on the non-polished side of the p-Si wafer pieces under ∼ 4,2 10 -6 Torr pressure. After process evaporation, p-Si with omic contac thermally annealed 580°C for 3 min in a quartz tube furnace in N 2 . Then, the rectifier contact is made by evaporation Al metal diameter of about 1.0 mm on the polished surface of p-Si in turbo molecular pump at about ∼ 1 10 -6 Torr. Consequently, Al/p-Si/Al Schottky diode was obtained. The I–V measurements of this diode performed by the use of a KEITLEY 487 Picoammeter/Voltage Source and the C–V measurements were performed with HP 4192A (50–13 MHz) LF Impedance Analyzer at room temperature and in dark. (paper)

Investigation of the Electrical Characteristics of Al/p-Si/Al Schottky Diode

Science.gov (United States)

Şenarslan, Elvan; Güzeldir, Betül; Sağlam, Mustafa

2016-04-01

In this study, p-type Si semiconductor wafer with (100) orientation, 400 μm thickness and 1-10 Ω cm resistivity was used. The Si wafer before making contacts were chemically cleaned with the Si cleaning procedure which for remove organic contaminations were ultrasonically cleaned at acetone and methanol for 10 min respectively and then rinsed in deionized water of 18 MΩ and dried with high purity N2. Then respectively RCA1(i.e., boiling in NH3+H2O2+6H2O for 10 min at 60°C ), RCA2 (i.e., boiling in HCl+H2O2+6H2O for 10 min at 60°C ) cleaning procedures were applied and rinsed in deionized water followed by drying with a stream of N2. After the cleaning process, the wafer is immediately inserted in to the coating unit. Ohmic contact was made by evaporating of Al on the non-polished side of the p-Si wafer pieces under ~ 4,2 10-6 Torr pressure. After process evaporation, p-Si with omic contac thermally annealed 580°C for 3 min in a quartz tube furnace in N2. Then, the rectifier contact is made by evaporation Al metal diameter of about 1.0 mm on the polished surface of p-Si in turbo molecular pump at about ~ 1 10-6 Torr. Consequently, Al/p-Si/Al Schottky diode was obtained. The I-V measurements of this diode performed by the use of a KEITLEY 487 Picoammeter/Voltage Source and the C-V measurements were performed with HP 4192A (50-13 MHz) LF Impedance Analyzer at room temperature and in dark.

Precipitation in an Al-Zn-Mg-Cu alloy during isothermal aging: Atomic-scale HAADF-STEM investigation

Energy Technology Data Exchange (ETDEWEB)

Xu, Xuesong; Zheng, Jingxu; Li, Zhi; Luo, Ruichun [School of Materials Science and Engineering, Shanghai Jiao Tong University (China); Frontier Research Center for Materials Structure, Shanghai Jiao Tong University (China); Chen, Bin, E-mail: steelboy@sjtu.edu.cn [School of Materials Science and Engineering, Shanghai Jiao Tong University (China); Frontier Research Center for Materials Structure, Shanghai Jiao Tong University (China)

2017-04-13

The present study, using advanced Cs-corrected high-angle annular dark field – scanning transmission electron microscopy (HAADF-STEM), reports on a comprehensive investigation into the precipitate structures in an Al-Zn-Mg-Cu alloy aged at 150 ℃, including GP zones, η’ and η precipitates. In the nucleation stage, Zn atoms enrich on the {111}{sub Al}-planes abutting spherical Mg clusters that are approximately 3–6 nm in diameter. In the subsequent growth, the as-nucleated structures extend with an increasing diameter and a constant width along [111]{sub Al} and grow into platelet precipitates. η’ is proved to be a group of metastable structures existing in the transition from FCC Al to HCP MgZn{sub 2} (η). Some metastable structures are assembled by local-ordered rhombohedral units and orthorhombic units as building blocks. Subsequently, the precipitates evolve into η phases with stacking faults.

La Greffe de Peau dans le Traitement des Sequelles de la Main Brulee. A Propos de 152 Cas - Experience du Service de Chirurgie Plastique du Centre Hospitalier Universitaire Ibn-Sina, Rabat, Maroc

Science.gov (United States)

El Mazouz, S.; Fejjal, N.; Hafidi, J.; Cherkab, L.; Mejjati, H.; Belfqih, R.; Gharib, N.; Abbassi, A.

2010-01-01

Summary La main est fréquemment exposée aux brûlures, entraînant des séquelles esthétiques et fonctionnelles. Le traitement de ces séquelles est surtout chirurgical et consiste en la greffe de peau, dont le type dépend de la localisation de la brûlure et du type des séquelles. Dans ce travail rétrospectif, nous rapportons une série de 152 cas de brûlures des mains colligés au service de chirurgie plastique du Centre Hospitalier Universitaire Ibn-Sina de Rabat sur une période de dix ans, allant de 1998 à 2007. Les indications thérapeutiques dépendent du type de séquelles et de la localisation de la brûlure. En tout, 97 patients ont bénéficié d'une greffe cutanée, dont 76% par greffe de peau totale, 21% par greffe de peau demi-épaisse et 3% par peau fine. Les séquelles des brûlures des mains posent un problème thérapeutique majeur, malgré la diversité des procédés chirurgicaux, d'où l'intérêt de la prévention. PMID:21991196

Synthesizing (ZrAl3 + AlN)/Mg-Al composites by a 'matrix exchange' method

Science.gov (United States)

Gao, Tong; Li, Zengqiang; Hu, Kaiqi; Han, Mengxia; Liu, Xiangfa

2018-06-01

A method named 'matrix exchange' to synthesize ZrAl3 and AlN reinforced Mg-Al composite was developed in this paper. By inserting Al-10ZrN master alloy into Mg matrix and reheating the cooled ingot to 550 °C, Al and Mg atoms diffuse to the opposite side. As a result, liquid melt occurs once the interface areas reach to proper compositions. Then dissolved Al atoms react with ZrN, leading to the in-situ formation of ZrAl3 and AlN particles, while the Al matrix is finally replaced by Mg. This study provides a new insight for preparing Mg composites.

Coupled growth of Al-Al2Cu eutectics in Al-Cu-Ag alloys

International Nuclear Information System (INIS)

Hecht, U; Witusiewicz, V; Drevermann, A

2012-01-01

Coupled eutectic growth of Al and Al 2 Cu was investigated in univariant Al-Cu-Ag alloys during solidification with planar and cellular morphology. Experiments reveal the dynamic selection of small spacings, below the minimum undercooling spacing and show that distinct morphological features pertain to nearly isotropic or anisotropic Al-Al 2 Cu interfaces.

AL ITTIJAHAT AL MUNHARIFAH FI AT TAFSIR LI BADLI ASHAB AL MADZAHIB AL NAHWIYYAH WA BADL MAN YAJHALUNA QAWAID AL LUGHAH AL ARABIYYAH FI NADHAR MUHAMMAD HUSAIN AL DZAHABIY

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Misbakhudin Misbakhudin

2017-06-01

Full Text Available One of the most precious achievement in qur’anic studies was the book of Al-Ittijâhât al-Munharifah fî al-Tafsîr: Dawâfi’uha wa Daf’uha written by A great Islamic scholar, Muhammad Husein al-Dzahabî. He was succeeded in discussing several issues of corruptions of the exegesis of the holy Qur’an. This article is aimed to explain and to describe his analysis toward several corrupted linguist interpretations in their originations and such corrupted linguistic interpretations of the holy Qur’an which are ignoring Arabic structures and grammers

Unravelling regolith material types using Mg/Al and K/Al plot to support field regolith identification in the savannah regions of NW Ghana, West Africa

Science.gov (United States)

Arhin, Emmanuel; Zango, Saeed M.

2015-12-01

The XRF analytical method was used to measure the weight % of the major oxides in regolith samples. The metal weight % of Mg, K and Al were calculated from their oxides and were normalised relative to immobile Al calculated from its oxide. The plot of Mg/Al and K/Al identified the regolith of the study area to consist of 137 transported clays, 4 ferruginous sediments or ferricrete, 2 lateritic duricrust and 4 saprolites. Surface regolith that had undergone secondary transformation and shows compositional overlaps were 4 transported clays with Fe-oxide impregnation may be referred to as nodular laterite and 5 ferruginous saprolites. The variable regolith materials features identified from the 154 samples enabled the characterisation and identification of the different sample materials because an overprint of bedrock geochemistry is reflected in the regolith. Plot of Mg/Al and K/Al highlighted the compositional variability of the regolith samples and refute the notion of the homogeneity of all the sampled materials in the area. The study thus recognized Mg/Al versus K/Al plots to be used in supporting field identification of regolith mapping units particularly in complex regolith terrains of savannah regions of Ghana and in similar areas where geochemical exploration surveys are being carried out under cover.

Meningkatkan Semangat dan Kebanggaan sebagai Muslim dalam Proses Pembelajaran Kimia Dasar di Unisba

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Rusnadi Rusnadi

2008-12-01

Full Text Available A significant contribution for people and nation has marked Unisba in its fifty years of age.  Since its beginning,  the idea behind Unisba was creating an education site based on Islamic values,  which in turn would produce Muslim scholars who dedicated themselves for the wealth of nation and its people. To achieve the ideal goals, as reflected on Unisba’s vision and mission, students were taught many subjects.  Admittably, majority of  the subjects being taught in Unisba were borrowed from Western knowledge as well. Only a few were taken from Islamic teachings. Among those few is basics of chemistry. In fact, history noted that some Muslim scholars has made significant contribution to develop chemistry.  Jabir Ibn Haiyan, Abu’l-Qasim, Aidamir al-Jildaki, Al-Tughra’i, and Al-Majriti were several  worth to be  mentioned. Their  achievement marked special exemplar of Muslim scholars whose names were larger than their life.

To be Excellent Society: Comparative Analysis between Western and Muslim Philosophers

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Humaidi Hum AS

2016-06-01

Full Text Available The western philosophers like Karl Marx believe that society is ontologically understood in terms of physical dimension only while the Muslim philosophers such as al-Fārābī, Nasīr al-Dīn al-Tūsī, Ibn Khaldūn and Murtaḍā Muṭahharī argue that it consists of physical and metaphysical or spiritual aspects. The structure of a society along with its development and orientation can be seen and explained by its physical and metaphysical aspects. Moreover, the perfection of a society is not only based on the fulfilment of its physical needs but also on the establishment of intellectual and spiritual needs. This article aims to discuss society through Islamic philosophy’s perspective with the elaboration of social science, the reality of a society, the structure of an ideal society and its development and orientation. DOI: http://dx.doi.org/10.20414/ujis.v20i1.823

Effect of Al substitution on the electronic and magnetic properties of GdCo5

International Nuclear Information System (INIS)

Szajek, A.; Malinowski, W.L.

2002-01-01

Experimental data show that aluminium doped RCo 5 systems crystallize in CaCu 5 structure for most of the rare-earth elements (R). Al impurities randomly occupy one of the two possible positions (2c and 3g) and there is a critical concentration of Al, x c = 2.0, for RCo 5-x Al x when the Co sublattice becomes nonmagnetic. The ab initio self-consistent calculations show strong dependence of magnetic properties of RCo 5-x Al x concentration of Al; and position of the impurities in the unit cell, furthermore to fulfill experimental observation of existence of critical concentration, x c = 2.0, the Al impurities should prefer 3g positions otherwise the magnetic moments on Co atoms do not vanish. (author)

Ordering and structural vacancies in non-stoichiometric Cu-Al γ brasses

International Nuclear Information System (INIS)

Kisi, E.H.; Browne, J.D.

1991-01-01

γ-Brass structures are based on the cubic packing of 26-atom clusters which have, as concentric subunits, an inner and an outer tetrahedron (IT, OT), an octahedron (OH) and a cuboctahedron (CO). Cu 9 Al 4 [M r = 679.37, P43m, a = 8.7046(1) A, V = 659.5 A 3 , Z = 4, D x = 6.846 Mg m -3 , R wp = 0.051, R B = 0sun017 for 238 powder reflections] is the stoichiometric γ brass of the Cu-Al system and contains two clusters (A, B) per unit cell. Al atoms occupy a 4(e) (IT) site in cluster A and a 12(i) (CO) site in cluster B. Cu atoms occupy the remaining 4(e) (OT), 6(f) (OH) and 12(i) (CO) sites of cluster A and the two 4(e) (IT, OT) and a 6(g) (OH) site of cluster B. The structure has considerable solubility for Al and this paper contains a systematic neutron powder diffraction study of the changes in the Cu 9 Al 4 structure at 295 K (λ = 1.376 A) and 77 K(λ = 1.500 A) as Al is added. The structure was found to remain cubic for compositions Cu 8.93 Al 4.08 , Cu 8.83 , Al 4.17 , Cu 8.75 Al 4.25 and Cu 8.58 Al 4.42 . At Cu 8.30 Al 4.58 the structure was slightly distorted to an undetermined symmetry. For Cu 8.03 Al 4.68 and Cu 7.55 Al 4.80 the structure was found to be rhombohedral [M r = 636.57, R3m, a = 8.7066(1) A, α = 89.74(1) deg, V = 660.0(1) A 3 , Z = , D x = 6.406, D m = 6.41 Mg m -3 , R wp = 0.064, R B = 0.025 for 702 reflections; and M r = 609.31, R3m, a = 8.6884(1) A, α = 89.78(1) deg, V = 655.9(1) A 3 , Z = 4, D x = 6.170, D m = 6.18 Mg m -3 , R wp = 0.064, R B = 0.027 for 789 reflections, respectively]. The non-cubic structures contain sufficient structural vacancies to maintain a classical valence content of 88 electrons per unit cell. Refined structures are presented for all of the above compositions, except Cu 8.30 Al 4.58 , and the results discussed in terms of current γ-brass stability theories. (orig.)

Growth of uniform lath-like α-(Fe,Al)OOH and disc-like α-(Fe,Al)2O3 nanoparticles in a highly alkaline medium

International Nuclear Information System (INIS)

Krehula, Stjepko; Music, Svetozar

2010-01-01

The effects of aluminium (Al 3+ )-dopant on the precipitation of uniform lath-like α-FeOOH particles, the obtention and growth of α-(Fe,Al)OOH and α-(Fe,Al) 2 O 3 solid solutions, particle size and shape were investigated using X-ray powder diffraction, Moessbauer and Fourier transform infrared spectroscopies, field emission scanning electron microscopy and energy dispersive X-ray spectroscopy. Acicular α-FeOOH particles, precipitated in a highly alkaline medium with the addition of tetramethylammonium hydroxide (TMAH), were used as reference material. The influence of Al-dopant was investigated by adding varying amounts of Al 3+ ions to the initial FeCl 3 solution. In the presence of lower concentrations of aluminium ions (up to 11.11 mol%) α-(Fe,Al)OOH as a single phase was formed, whereas higher concentrations led to an additional obtention and growth of α-(Fe,Al) 2 O 3 . Al-for-Fe substitution in the α-FeOOH and α-Fe 2 O 3 structures was confirmed by a decrease in the unit-cell dimensions, a decrease in the hyperfine magnetic field and an increase in the wave number of the infrared absorption bands. The presence of lower concentrations of aluminium ions (up to 11.11 mol%) in the precipitation system did not affect the size and shape of the α-(Fe,Al)OOH particles, whereas higher concentrations influenced a decrease in the length and aspect ratio. In the presence of 42.86 mol% Al 3+ ions fairly uniform disc-shaped α-(Fe,Al) 2 O 3 were formed.

Sahîh Adlı Eseri Çerçevesinde İBN HİBBN'IN TEFSİR ANLAYIŞINA DAİR TESPİTLER

Directory of Open Access Journals (Sweden)

Eyüp YAKA

2008-06-01

Full Text Available Some Determinations about Ibn Hibban's Exegetic Conception within The Framework of His Book of SahihIn this study, I tried to make some determinations on Ibn Hibban's exegetic conception in the framework of his monumental work Sahih which is on the science of Hadith. The author had tried much to understand hadiths. He tried to expose the meanings of hadith which are seen as contradictory with the rational and logical interpretations and some times with some verses. Ibn Hibban had tried also to interpret some verses which are mentioned in his work. Through the examination of his methods we can be able to reach some remarks regarding his exegetic conception.Ibn Hibban added to his book the reports related to the sabab an-nuzûl and the Prophet's explanations of verses but he never commented on them. This indicates to his eager of giving much importance to reports and sunnah in interpreting the verses.His comments on the understanding the verses have been scrutinized under an independent sub-title. He studied numerous verses in a multi-dimensional way concerning the words lexicon meaning and Arabic linguistical style. Moreover, he referred to the methods of interpreting the verses with verses and sunnah.Ibn Hibban, has tried to interpret the verses related to the separate subjects such as relation between the Prophet and his companions, fitrat, sifat Allah, ru'yat Allah, Muslim and non-Muslim relations. He also tried to interpret some verses which have legal content of Qur'ân. Consequently, although in his exegetic conception the method of report (riwayat is dominant but he also refered to the method of dirayat.

Structure of RbAlAs[sub 2]O[sub 7]. Structure de RbAlAs[sub 2]O[sub 7

Energy Technology Data Exchange (ETDEWEB)

Boughzala, H. (Dept. de Chimie, Faculte des Sciences, Tunis (Tunisia)); Driss, A. (Dept. de Chimie, Faculte des Sciences, Tunis (Tunisia)); Jouini, T. (Dept. de Chimie, Faculte des Sciences, Tunis (Tunisia))

1993-03-15

Rubidium aluminium pyroarsenate, M[sub r]=374.29, triclinic, P anti 1, a=8.233(5), b=6.34(2), c=6.241(5) A, [alpha]=102.6(1), [beta]=103.89(7), [gamma]=96.7(1) , V=303.9 A[sup 3], Z=2, D[sub m]=3.9(3) (pycnometry), D[sub x]=4.09 g cm[sup -3], [lambda](Ag K anti [alpha])=0.5608 A, [mu]=108.14 cm[sup -1], F(000)=344, T=296 K, R=0.049, wR=0.053 for 2193 reflections. The first structural investigation on a pyroarsenate is reported. It is built from AlAs[sub 2]O[sub 11] units comprising one AlO[sub 6] octahedron and one As[sub 2]O[sub 7] pyroarsenate group in which two AsO[sub 4] tetrahedra point in opposite directions. These units are connected by heteropolyhedral linkages to form a three-dimensional framework having intersecting tunnels where the Rb[sup +] ions are located. Although this structure is not isotypic with the phosphate analogues, it is closely related to that of the pyrophosphates of type I represented by KAlP[sub 2]O[sub 7]. (orig.).

An assessment of Brazilian conservation units – a second look

OpenAIRE

Drummond, José Augusto Leitão

2012-01-01

This is a second overview of the Brazilian conservation unit system for mid-2010. It updates author et al, 2009. It examines six dimensions of federal and state protected areas – age, numbers, types of units, absolute and average sizes, distribution by states and biomes, and degree of compliance with CBD-inspired goals. Major findings: (i) the system maintained a rapid growth rate; (ii) national parks and national forests are the most prominent units; (iii) distribution of units by region and...

Penciptaan Lingkungan Edukatif dalam Pembentukan Karakter: Studi terhadap Aplikasi Pemikiran Ibnu Jama’ah

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Hery Noer Aly

2012-05-01

Full Text Available This study is a rediscovery enterprise on educational thought of Ibn Jama’ah in his famous book, al-Tadhkirah. It is basically the book on  learning and teaching. But, much more  than a book on  technic and strategy ,  it  is  full of  moral message which conducts whole process of  learning and  teaching,  and  in  turn  creates an  educating environment. The significance of this study due to moral decadence among the nation. Corruption, for instance, is not only available among the leaders and bureaucrates, but also among the peoples. Delinquency  is not only the habit of  young generation, but now suffered by parents who can not give a good sample. That moral decadence is not deal with  the poverty of moral conduct; there  are  treasury  and haritage of  it, either from religous or traditional resource. But that old values available in many documents are not internalized yet, in additon to the fast-coming of foreign culture which is not in accord with Indonesian culture. Here we see that the issue is not the content of value education, but the strategy developed  in the process. So that, al-Tadhkirah will be studied with content analysis approach to find out the possibility of application of his thought in moral education. The study  finally discovered that the  thought of  Ibn  Jama’ah  is very possible  to be applied. The only precondition  is the commitment of all stakeholders to create educating environtment based on regulation formulated by themselves.

Evolving Distributed Generation Support Mechanisms: Case Studies from United States, Germany, United Kingdom, and Australia

Energy Technology Data Exchange (ETDEWEB)

Lowder, Travis [National Renewable Energy Lab. (NREL), Golden, CO (United States); Zhou, Ella [National Renewable Energy Lab. (NREL), Golden, CO (United States); Tian, Tian [National Renewable Energy Lab. (NREL), Golden, CO (United States)

2017-03-14

This report expands on a previous National Renewable Energy Laboratory (NREL) technical report (Lowder et al. 2015) that focused on the United States' unique approach to distributed generation photovoltaics (DGPV) support policies and business models. While the focus of that report was largely historical (i.e., detailing the policies and market developments that led to the growth of DGPV in the United States), this report looks forward, narrating recent changes to laws and regulations as well as the ongoing dialogues over how to incorporate distributed generation (DG) resources onto the electric grid. This report also broadens the scope of Lowder et al. (2015) to include additional countries and technologies. DGPV and storage are the principal technologies under consideration (owing to market readiness and deployment volumes), but the report also contemplates any generation resource that is (1) on the customer side of the meter, (2) used to, at least partly, offset a host's energy consumption, and/or (3) potentially available to provide grid support (e.g., through peak shaving and load shifting, ancillary services, and other means).

MUNIX and incremental stimulation MUNE in ALS patients and control subjects

DEFF Research Database (Denmark)

Furtula, Jasna; Johnsen, Birger; Christensen, Peter Broegger

2013-01-01

This study compares the new Motor Unit Number Estimation (MUNE) technique, MUNIX, with the more common incremental stimulation MUNE (IS-MUNE) with respect to reproducibility in healthy subjects and as potential biomarker of disease progression in patients with ALS....

Measuring the performance of Islamic banks using maqāsid based model

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Mustafa Omar Mohammed

2015-12-01

Full Text Available The vision and mission of Islamic banks were supposed to reflect the adherence of their activities and aspiration to Maqāṣid al-Sharī‘ah. However, there are contentions that Islamic banks have been converging towards conventional banking system. Efforts have been expended to reverse the tide and harmonise Islamic banking to its Sharī‘ah objectives. Hitherto, the existing conventional yardsticks have failed to measure the impact of the harmonisation exercise on Islamic banks’ performance. Therefore, using maqāṣid based yardstick to measure the performance of Islamic banks becomes imperative. This study has made use of al-Imām al-Ghazālī’s theory of Maqāṣid al-Sharī‘ah and Ibn ‘Āshūr’s reinterpretation, adopting content analysis and Sekaran (2000 behavioral science methods to develop a Maqāṣid Based Performance Evaluation Model (MPEM to measure the performance of Islamic banks. Experts’ opinions have validated the model and its acceptability. Suggestions are provided to policy makers and future research.

Description of the Earth in the Works of Arabic Geographers from IX to XII Century

Science.gov (United States)

Cvijanovic, I.

2012-12-01

The works of Arabic writers provide data about shape, position and size of the Earth, planets and zodiac signs. They include preserved maps of Ibn Haukal, Al-Masudi and Al-Idrisi. Al-Masudi (871-956/7) made a map of the world and wrote that the Earth is round, before the Christians in Europe were ready to accept that idea. The famous geographer and cartographer Al-Idrisi (IX/X., died in 903/913.) has lived on the court of Norman king Roger II of Sicily, and after his death on the court of his son William I on Sicily, where he obtained the data from European and Arabic geographers. On the basis of this data he wrote a work known entitled Roger's book. Besides this important work he made a celestial globe and a map of the world in the shape of a silver disk. The lines that marked the borders of seven regions of the inhabited world were engraved on this disk. The Arabs had excellent knowledge of Greek astronomy and accepted their division of the world in seven climatic zones.

Inelastic neutron scattering studies of TbNiAlH sub 1 sub . sub 4 and UNiAlH sub 2 sub . sub 0 hydrides

CERN Document Server

Bordallo, H N; Kolomiets, A V; Kalceff, W; Nakotte, H; Eckert, J

2003-01-01

The optical vibrations of hydrogen in TbNiAlH sub 1 sub . sub 4 and UNiAlH sub 2 sub . sub 0 were investigated by means of inelastic neutron scattering. The experimental data were analysed, including multiphonon neutron scattering contributions, calculated in an isotropic harmonic approximation. At least two fundamental H optical peaks were observed in TbNiAlH sub 1 sub . sub 4 , and were assigned to the vibrational modes of hydrogen atoms occupying different interstitial sites in the metal sublattice. The high-energy part of the UNiAlH sub 2 sub . sub 0 spectra is characterized by strong anharmonicity, and a broad fundamental band. The latter can be accounted for by a large dispersion of phonon modes due to the strong H-H interactions, and/or different metal-hydrogen force constants, which may originate from different metal atoms surrounding the H atoms in the unit cell.

75 FR 13319 - NextEra Energy Seabrook, LLC, et al.

Science.gov (United States)

2010-03-19

... NUCLEAR REGULATORY COMMISSION [Docket No. 50-443; NRC-2010-0108] NextEra Energy Seabrook, LLC, et al.,* Seabrook Station, Unit No. 1 Environmental Assessment and Finding of No Significant Impact * NextEra Energy Seabrook, LLC is authorized to act as agent for the Hudson Light & Power Department...

78 FR 40213 - Charles Schwab Investment Management, Inc., et al.;

Science.gov (United States)

2013-07-03

... Schwab Investment Management, Inc., et al.; Notice of Application June 27, 2013. AGENCY: Securities and... exemption from sections 12(d)(1)(A) and (B) of the Act. Applicants: Charles Schwab Investment Management...) certain registered management investment companies and unit investment trusts outside of the same group of...

Saudi Arabia: Modernity, Stability, and the Twenty-First Century Monarchy

Science.gov (United States)

2015-06-01

author, Dr. Barrett’s works range from books to articles on the Arab League and digital research techniques: The Greater Middle East and the Cold...states can be viewed as examples of periodic nomadic explosions crushed by Egyptian and Ottoman military, it was the political acumen of Ibn Saud, who...their nomadic lives interrupted. And, finally, 37 Barrett: Saudi Arabia it was accompanied by a decree from Ibn Saud that abolished the tradition

Solidification of Al-Sn-Cu Based Immiscible Alloys under Intense Shearing

Science.gov (United States)

Kotadia, H. R.; Doernberg, E.; Patel, J. B.; Fan, Z.; Schmid-Fetzer, R.

2009-09-01

The growing importance of Al-Sn based alloys as materials for engineering applications necessitates the development of uniform microstructures with improved performance. Guided by the recently thermodynamically assessed Al-Sn-Cu system, two model immiscible alloys, Al-45Sn-10Cu and Al-20Sn-10Cu, were selected to investigate the effects of intensive melt shearing provided by the novel melt conditioning by advanced shear technology (MCAST) unit on the uniform dispersion of the soft Sn phase in a hard Al matrix. Our experimental results have confirmed that intensive melt shearing is an effective way to achieve fine and uniform dispersion of the soft phase without macro-demixing, and that such dispersed microstructure can be further refined in alloys with precipitation of the primary Al phase prior to the demixing reaction. In addition, it was found that melt shearing at 200 rpm and 60 seconds will be adequate to produce fine and uniform dispersion of the Sn phase, and that higher shearing speed and prolonged shearing time can only achieve minor further refinement.

Johannitius (809-873 AD), a medieval physician, translator and author.

Science.gov (United States)

Dalfardi, Behnam; Daneshfard, Babak; Nezhad, Golnoush Sadat Mahmoudi

2016-08-01

The medieval physician, translator and author Abū Zayd Ḥunayn ibn Isḥāq al-'Ibādī, best known in the West as Johannitius, is considered the best translator of Greek texts, particularly medical writings, into Arabic. He made great inroads in the art of translation in the Islamic world. In addition to his own translations, Johannitius put significant effort into training pupils and passing knowledge about translation to succeeding generations. He was also a great writer, compiling over 100 books on different subjects, especially medical. Among his own works, the illustrious Kitab al-Ashr Maqalat fil-Ayn (Ten Treatises on the Eye) contains the oldest known illustration of the structure of the eye. It served as the primary source for Galen's theory of vision and subsequent use by Western scholars. © The Author(s) 2016.

Balance nutricional y número de hojas como variables de predicción del rendimiento del plátano Hartón.

OpenAIRE

RODRÍGUEZ, V.; SILVA, A. da; RODRÍGUEZ, O.

2005-01-01

El objetivo de este trabajo fue desarrollar una ecuación de regresión que permitiese estimar el rendimiento (Y) del plátano Hartón (Musa AAB subgrupo plátano cv. Hartón), con la relación entre el Índice de Balance de Nutrientes DRIS (IBN-DRIS) (X1) y el número de hojas de la planta madre (X2). Usando un muestreo completamente al azar, se colectaron 398 muestras de tejido foliar. Se obtuvo la ecuación: Y = 30,351** - 8,644** log X1 + 0,27502*X2, con R² de 0,6206***, con distribución normal de ...

Gondeshapur Revisited; What Historical Evidence?

Science.gov (United States)

Nayernouri, Touraj

2017-04-01

In recent years, in European academic circles, there has been a trend to dismiss Gondeshapur as a myth perpetrated by the Bokhtishu family in early Islamic era, despite many historiographical attestations. The writings of Islamic historians such as Al-Qifti and Ibn Abi Usaibia have been discounted as exaggerations by non-contemporary historians, and the lack of primary Pahlavi sources blamed for historical hyperbole. In this essay, I have attempted to show through primary Syriac Christian texts, that there was both a medical school and a bimarestan in Gondeshapur in pre-Islamic Sassanid era, and that Galenic medical texts had been translated and taught in that institution.

The structure-directed effect of Al-based metal–organic frameworks on fabrication of alumina by thermal treatment

International Nuclear Information System (INIS)

Liu, Dandan; Dai, Fangna; Tang, Zhe; Liu, Yunqi; Liu, Chenguang

2015-01-01

Highlights: • We use Al-MOFs as precursor in the fabrication process of mesoporous alumina by thermal treatment. • The obtained mesoporous alumina has dual pore system and five-fold aluminum. • The aluminum building units in the precursor show structure-directed effect on the formation of alumina. - Abstract: In this work, the block-shaped Al-based metal–organic frameworks (Al-MOFs) MIL-53 have been synthesized by hydrothermal method. To detect the correlation between the structure of Al-MOFs and the formation of alumina, the ligands are eliminated by thermal treatment. MIL-53 and the calcination products were characterized by X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FT-IR), scanning electron microscope (SEM), transmission electron microscopy (TEM), nitrogen adsorption–desorption and solid-state 27 Al nuclear magnetic resonance ( 27 Al NMR). It was found that after calcination, the block-shaped Al-MOFs precursor turns into high-crystallinity mesoporous alumina nanosheets, and the thermal treatment product γ-alumina possesses a dual pore system and a large surface area (146 m 2 /g), with five-fold aluminum. During the thermal treatment process, the structure of MIL-53 and its secondary building units have structure-directed effect in the formation of alumina

Multiple unit root tests under uncertainty over the initial condition : some powerful modifications

NARCIS (Netherlands)

Hanck, C.

We modify the union-of-rejection unit root test of Harvey et al. "Unit Root Testing in Practice: Dealing with Uncertainty over the Trend and Initial Condition" (Harvey, Econom Theory 25:587-636, 2009). This test rejects if either of two different unit root tests rejects but controls the inherent

مساهمات الإمام أحمد عبد الرحمن البنا الساعاتي في الدراسات القرآن والحديث النبوي

Directory of Open Access Journals (Sweden)

Nunun Zainun binti Ahmad Hidayat

2014-09-01

Full Text Available Al-Imam al-Banna al-Sa‘ati (d.1378AH/1958CE was amongst the famous Egyptian scholars in the 14th century. Although mostly known as the father to the late Hasan al-Banna, he was also a prolific scholar in his own right. In the field of hadith and its studies, he has composed important works such as al-Fath al-Rabbani fi Tartib Musnad Ahmad ibn Hanbal al-Syaibani, Bada’i‘ al-Minan fi Jam‘ wa Tartib Musnad al Syafi‘i wa al-Sunan, and others. In addition, he was also the first amongst scholars to have successfully organized the hadiths of Musnad Ahmad into thematic chapters to facilitate the finding of hadith in the book. However, his scholarly contributions have yet to attract the interest of the researchers as their subject of study. Therefore, this paper aims to expound on this matter in a greater detail. In particular, its aims to highlight the little known biography of this scholar as well as his contributions to the field of al-Qur’an and al-Hadith and its sciences. The study employs the historical, deductive and analytical approaches in analyzing the relevant sources on the matter. It is hoped that the paper provides an important aspect of hadith scholarship as portrayed by this important scholar.

Preparation, structure and analysis of the bonding in the molecular entity (OSO)2Li{[AlF(ORF)3]Li[Al(ORF)4]} (RF = C(CF3)3).

Science.gov (United States)

Cameron, T Stanley; Nikiforov, Grigory B; Passmore, Jack; Rautiainen, J Mikko

2010-03-14

The (SO(2))(2)Li[AlF(OR(F))(3)]Li[Al(OR(F))(4)] (1) (R(F) = C(CF(3))(3)) molecular entity was obtained by thermal decomposition of Li[Al(OR(F))(4)] followed by crystallization from liquid SO(2). 1, containing two SO(2) molecules eta(1)-O coordinated to Li(+), was structurally characterized by single crystal X-ray diffraction and NMR spectroscopy in SO(2)(l). Bonding analyses of 1 (bond valency units, AIM analysis, atomic charges, bond orders) show that 1 can be either considered as a Li(OSO)(2)(+) complex stabilized by the large WCA [AlF(OR(F))(3)](-)Li(+)[Al(OR(F))(4)](-) or as consisting of 2 SO(2), 2 Li(+), [AlF(OR(F))(3)](-), and [Al(OR(F))(4)](-) joined by electrostatic interactions into the discrete molecular entity 1. The bonding between Li(+) and SO(2) molecules is shown to be almost completely attributable to monopole-induced dipole electrostatic interactions. Theoretical gas phase lithium ion affinity of SO(2) is determined to be stronger than its silver(I) ion affinity owing largely to the shorter lithium SO(2) contacts in the calculated structures that increase the electrostatic interaction.

Thioaluminogermanate M(AlS2)(GeS2)4 (M = Na, Ag, Cu): Synthesis, Crystal Structures, Characterization, Ion-Exchange and Solid-State 27Al and 23Na NMR Spectroscopy

KAUST Repository

Alahmary, Fatimah S.

2018-03-14

The new thioaluminogermanate Na(AlS2)(GeS2)4 (1) was successfully synthesized by a direct combination reaction. The compound crystallizes in the monoclinic space group P21/n (no. 14) with unit cell parameters a = 6.803(3) Å, b = 38.207(2) Å, c = 6.947(4) Å, and β = 119.17(3)°. The crystal structure is composed of a [(AlS2)(GeS2)4]− 3D polyanionic network, in which Al and Ge atoms share the atomic positions and Na cations occupy the channels and voids formed by the connection of (Ge/Al)S4 tetrahedra. The title compound shows a cation-exchange property with monovalent Ag+ and Cu+ ions at room temperature in solvent media, resulting in the formation of the isostructural compounds Ag(AlS2)(GeS2)4 (2) and Cu(AlS2)(GeS2)4 (3), respectively. The ion-exchange products Ag(AlS2)(GeS2)4 (2) and Cu(AlS2)(GeS2)4 (3) show higher air stability and narrower bandgap energies compared to those of the parent compound Na(AlS2)(GeS2)4 (1).

Thioaluminogermanate M(AlS2)(GeS2)4 (M = Na, Ag, Cu): Synthesis, Crystal Structures, Characterization, Ion-Exchange and Solid-State 27Al and 23Na NMR Spectroscopy

KAUST Repository

Alahmary, Fatimah S.; Davaasuren, Bambar; Emwas, Abdul-Hamid M.; Rothenberger, Alexander

2018-01-01

The new thioaluminogermanate Na(AlS2)(GeS2)4 (1) was successfully synthesized by a direct combination reaction. The compound crystallizes in the monoclinic space group P21/n (no. 14) with unit cell parameters a = 6.803(3) Å, b = 38.207(2) Å, c = 6.947(4) Å, and β = 119.17(3)°. The crystal structure is composed of a [(AlS2)(GeS2)4]− 3D polyanionic network, in which Al and Ge atoms share the atomic positions and Na cations occupy the channels and voids formed by the connection of (Ge/Al)S4 tetrahedra. The title compound shows a cation-exchange property with monovalent Ag+ and Cu+ ions at room temperature in solvent media, resulting in the formation of the isostructural compounds Ag(AlS2)(GeS2)4 (2) and Cu(AlS2)(GeS2)4 (3), respectively. The ion-exchange products Ag(AlS2)(GeS2)4 (2) and Cu(AlS2)(GeS2)4 (3) show higher air stability and narrower bandgap energies compared to those of the parent compound Na(AlS2)(GeS2)4 (1).

Saladin and the Ayyubid Campaigns in the Maghrib

Directory of Open Access Journals (Sweden)

Baadj, Amar

2013-12-01

Full Text Available This article concerns the conquest of Libya and Tunisia by Saladin (Salah al-Din and the Ayyubids in the 1170s and 1180s. First it presents a reconstruction of the campaigns conducted by the Ayyubid mamlūks Sharaf al-Dīn Qarāqūsh and Ibn Qarātikīn in Libya and the conflict in Ifrīqiya (Tunisia between the Almohads and the Ayyubids based on the relevant primary sources. Then the extent to which Saladin was responsible for these military expeditions is considered and finally the issue of the motive behind them is discussed. It is concluded that Salāh al-Dīn and his amirs invaded the Maghrib in order to control the northern termini of the eastern and central axes of the trans-Saharan trade routes, thereby gaining access to the West African gold which passed along these routes. This occurred at a time when there was a great shortage of precious metals in Egypt and Saladin was in need of cash to pay for his wars with the Crusaders in Palestine.Este artículo trata sobre la conquista de Libia y Túnez por Saladino (Salah al-Din y los Ayyubíes en las décadas de 1170 y 1180. En primer lugar se presenta una reconstrucción de las campanas dirigidas por los mamelucos ayyubíes Sharaf al-Din Qaraqush e Ibn Qaratikin en Libia y de la guerra entre los almohades y los Ayyubíes en Ifriqiya (Túnez basada en fuentes primarias relevantes. A continuación se estudia en qué medida Saladino fue el responsable de estas expediciones militares y, finalmente, se discute el motivo de dichas expediciones. Se llega a la conclusión de que Saladino y sus emires invadieron el Magreb con el fin de controlar los puntos septentrionales de los ejes oriental y central de las rutas comerciales que cruzaban el Sahara y con esto lograr tener acceso al oro de África Occidental que pasaba a lo largo de estas rutas. Esto ocurrió en un momento en que había una gran escasez de metales preciosos en Egipto y Saladino necesitaba efectivo para pagar sus guerras con los

Synthesis and Characterization of the Quaternary Thio-aluminogermanates A(AlS2)(GeS2) (A = Na, K)

KAUST Repository

Al-Bloushi, Mohammed; Davaasuren, Bambar; Emwas, Abdul-Hamid M.; Rothenberger, Alexander

2015-01-01

The quaternary thioaluminogermanates Na(AlS2)(GeS2) (1) and K(AlS2)(GeS2) (2) crystallize in the tetragonal space group I4/mcm (no. 140) with unit cell parameters a = 7.4274(11) Å, c = 5.8560(12) Å for Na(AlS2)(GeS2) and a = 7.8826(2) Å, c = 5

Familial ALS

Science.gov (United States)

Boylan, Kevin

2015-01-01

Synopsis Genes linked to ALS susceptibility are being identified at an increasing rate owing to advances in molecular genetic technology. Genetic mechanisms in ALS pathogenesis appear to exert major effects in ~10% of patients, but genetic factors at some level may be important components of disease risk in most ALS patients. Identification of gene variants associated with ALS has informed concepts of the pathogenesis of ALS, aided the identification of therapeutic targets, facilitated research to develop new ALS biomarkers, and supported the establishment of clinical diagnostic tests for ALS-linked genes. Translation of this knowledge to ALS therapy development is ongoing. PMID:26515623

Malamih al-Ashwat al-'Arabiyyah wa Makharijaha

Directory of Open Access Journals (Sweden)

Amrah Muhammad Kasim

2015-12-01

Full Text Available This writing discusses on al-ashwat al-‘arabiyyah that is known with “phonetic” term. It talks and interprets makharij al-huruf or place for producing sounds and also processing production of sounds by parts of mouth in Arabic language. The problems of sounds and its systems in Arabic language have been conducted by the scholars of al-ashwat al-‘arabiyyah attractively, neatly, and detail and gotten ahead the phonetic western scholars. Part of their analysis results formulate the study about al-ashwat al-sakinah (al-Shamit is known with vocal and consonant sounds in research questions shawait – shawamit. Ibnu Jinni has formulated “harakat”(wowel in Arabic language and dimension of letter  mad and liyn on alif  letter - waw - ya’ (ا و ي, from these letters create  harakat fathah, dammah, and kasrah. Moreover, in this writing also exist the description of hija’i letters and its makhraj that are correct from parts of mouth and the unity of coordinative sounds that produce sounds in morphemes arrangement, in one word that produces meaning. The result of phonological study has divided al-ashwat to be kinds of sound like the pronounced sounds, produced sounds from mouth, and heard sound.

Molecular cloning of the prothoracicotropic hormone from the tobacco hornworm, Manduca sexta

Czech Academy of Sciences Publication Activity Database

Shionoya, M.; Matsubayashi, H.; Asahina, Masako; Kuniyoshi, H.; Nagata, S.; Riddiford, L. M.; Kataoka, H.

2003-01-01

Roč. 33, č. 8 (2003), s. 795-801 ISSN 0965-1748 Grant - others:National Science Foundation(US) IBN9005202; National Science Foundation(US) IBN9514187; JP(CZ) Ministry of Education; GA-(CZ) Science; Sports and Culture of Japan(CZ) Grant-in-Aid for Scientific Research on Priority Areas08276101 Institutional research plan: CEZ:AV0Z6022909 Keywords : prothoracicotropic hormone * PTTH * Manduca sexta Subject RIV: EB - Genetics ; Molecular Biology Impact factor: 2.358, year: 2003

Synthesis and atomic structure determination of Al8V5 gamma-brass

International Nuclear Information System (INIS)

Mizutani, Uichiro

2006-01-01

Many structurally complex compounds like quasicrystals and their approximants are known to be stabilized at a particular electron per atom ratio e/a, regardless of constituent elements involved. This has been often referred to as the Hume-Rothery electron concentration rule. We consider the understanding of the Hume-Rothery stabilization mechanism to be best deepened by performing both ab initio LMTO-ASA and FLAPW band calculations for the complex compound whose atomic structure is experimentally determined. Admittedly, however, a computing time increases rapidly beyond practical level with increasing the number of atoms in a unit cell. Among various candidates, we chose a series of gamma-brasses containing 52 atoms in a unit cell by taking a full advantage of the facts that it exists in as many as 24 binary alloy systems and that its unit cell is just in size to be handled even in more time-consuming FLAPW method. We have so far studied the stability mechanism of Cu 5 Zn 8 and Cu 9 Al 4 , both being regarded as its prototype, and TM 2 Zn 11 gamma-brasses containing late transition elements TM=Fe, Co, Ni and Pd. In the present work, we chose the gamma-brass consisting of early transition metal element V and trivalent element Al. An almost single phase Al 8 V 5 gamma-brass was ultimately synthesized by overcoming metallurgical difficulties encountered. Its atomic structure was determined by using the Brandon model as a starting structure in the Rietveld structure analysis for powdered diffraction spectra taken at the beam line BL02B2 of 8 GeV synchrotron radiation facility, SPring-8, Japan. The atomic structure suitable for band calculations was then proposed by eliminating quenched-in chemical disorder, i.e., partial mixing of Al and V atoms at given sites with minimum sacrifice. (author)

78 FR 42114 - FlexShares Trust, et al.; Notice of Application

Science.gov (United States)

2013-07-15

... issuing Shares in less than Creation Unit size under the Distribution Reinvestment Program. Applicants... benefit (the ability to reinvest in Shares at NAV) will change the Beneficial Owners' expectations about...Shares Trust, et al.; Notice of Application July 9, 2013. AGENCY: Securities and Exchange Commission...

21 January 2008 - Vice-President of the Human Rights Commission Z. Muhsin Al Hussein, Ambassador to United Nations A. Attar and their delegation from Saudi Arabia, visiting the ATLAS experimental cavern with Collaboration Spokesperson P. Jenni and Technical Coordinator M. Nessi.

CERN Multimedia

Claudia Marcelloni

2008-01-01

21 January 2008 - Vice-President of the Human Rights Commission Z. Muhsin Al Hussein, Ambassador to United Nations A. Attar and their delegation from Saudi Arabia, visiting the ATLAS experimental cavern with Collaboration Spokesperson P. Jenni and Technical Coordinator M. Nessi.

Transient oxidation of Al-deposited Fe-Cr-Al alloy foil

International Nuclear Information System (INIS)

Andoh, A.

1997-01-01

The oxide phases formed on an Al-deposited Fe-Cr-Al alloy foil and an Fe-Cr-Al alloy foil of the same levels of Al and (La+Ce) contents, and their oxidation kinetics have been studied in air at 1173 and 1373 K using TGA, XRD and SEM. Al deposition promotes the growth of metastable aluminas (θ-Al 2 O 3 , γ-Al 2 O 3 ). Scales consisting of θ-Al 2 O 3 and a small amount of α-Al 2 O 3 develop on the Al-deposited foil at 1173 K and exhibit the whisker-type morphology. In the early stage of oxidation at 1373 K, thick scales consisting of θ-Al 2 O 3 and α-Al 2 O 3 grow rapidly on the Al-deposited foil. The transformation from θ-Al 2 O 3 to α-Al 2 O 3 is very fast, and the scales result in only α-Al 2 O 3 . In contrast, α-Al 2 O 3 scales containing a minor amount of FeAl 2 O 4 develop on the alloy foil. The growth rate of α-Al 2 O 3 scales on the Al-deposited foil is smaller than that on the alloy foil and very close to that on NiAl at 1373 K. (orig.)

Safety evaluation report: related to the operation of Seabrook Station, Units 1 and 2, Docket Nos. 50-443 and 50-444, Public Service Company of New Hampshire, et al

International Nuclear Information System (INIS)

1983-03-01

The Safety Evaluation Report for the application filed by the Public Service Company of New Hampshire, et al., for licenses to operate Seabrook Station, Units 1 and 2 (Docket Nos. STN 50-443 and STN 50-444), has been prepared by the Office of Nuclear Reactor Regulation of the US Nuclear Regulatory Commission. The facility is located in Seabrook, New Hampshire. Subject to favorable resolution of the items discussed in this report, the staff concludes that the facility can be operated by the applicant without endangering the health and safety of the public

First-principles molecular dynamics investigation of thermal and mechanical stability of the TiN(001)/AlN and ZrN(001)/AlN heterostructures

International Nuclear Information System (INIS)

Ivashchenko, V.I.; Veprek, S.; Turchi, P.E.A.; Shevchenko, V.I.; Leszczynski, J.; Gorb, L.; Hill, F.

2014-01-01

First-principles quantum molecular dynamics investigations of TiN(001)/AlN and ZrN(001)/AlN heterostructures with one and two monolayers (1 ML and 2 ML) of AlN interfacial layers were carried out in the temperature range of 0–1400 K with subsequent static relaxation. It is shown that the epitaxially stabilized cubic B1-AlN interfacial layers are preserved in all TiN(001)/AlN heterostructures over the whole temperature range. In the ZrN(001)/AlN heterostructures, the B1-AlN(001) interfacial layer exists at 0 K, but it transforms into a distorted one at 10 K consisting of tetrahedral AlN 4 , octahedral AlN 6 , and AlN 5 units. The thermal stability of the interfaces was investigated by studying the phonon dynamic stability of the B1-AlN phase with different lattice parameters. The calculations showed that the B1-AlN interface should be unstable in ZrN(001)/AlN heterostructures and nanocomposites, and in those based on transition metal nitrides with lattice parameters larger than 4.4 Å. Electronic band structure calculations showed that energy gap forms around the Fermi energy for all interfaces. The formation of the interfacial AlN layer in TiN and ZrN crystals reduces their ideal tensile and shear strengths. Upon tensile load, decohesion occurs between Ti (Zr) and N atoms adjacent to the 1 ML AlN interfacial layer, whereas in the case of 2 ML AlN it occurs inside the TiN and ZrN slabs. The experimentally reported strength enhancement in the TiN/AlN and ZrN/AlN heterostructures is attributed to impeding effect of the interfacial layer on the plastic flow. - Highlights: • First-principles quantum molecular dynamics studies were conducted. • TiN- and ZrN-based heterostructures with one and two AlN interfacial layers. • Stability and structural transformation between 0 and 1400 K have been calculated. • Stress–strain relationships and ideal strengths determined. • Systems which may form stable superhard heterostructures are identified

First-principles molecular dynamics investigation of thermal and mechanical stability of the TiN(001)/AlN and ZrN(001)/AlN heterostructures

Energy Technology Data Exchange (ETDEWEB)

Ivashchenko, V.I., E-mail: ivash@ipms.kiev.ua [Institute of Problems of Material Science, National Academy of Science of Ukraine, Krzhyzhanosky str. 3, 03142 Kyiv (Ukraine); Veprek, S., E-mail: stan.veprek@lrz.tum.de [Department of Chemistry, Technical University Munich, Lichtenbergstrasse 4, D-85747 Garching (Germany); Turchi, P.E.A. [Lawrence Livermore National Laboratory (L-352), P.O. Box 808, Livermore, CA 94551 (United States); Shevchenko, V.I. [Institute of Problems of Material Science, National Academy of Science of Ukraine, Krzhyzhanosky str. 3, 03142 Kyiv (Ukraine); Leszczynski, J. [Department of Chemistry and Biochemistry, Interdisciplinary Center for Nanotoxicity, Jackson State University, Jackson, MS 39217 (United States); Gorb, L. [Department of Chemistry and Biochemistry, Interdisciplinary Center for Nanotoxicity, Jackson State University, Jackson, MS 39217 (United States); U.S. Army ERDC, Vicksburg, MS 39180 (United States); Hill, F. [U.S. Army ERDC, Vicksburg, MS 39180 (United States)

2014-08-01

First-principles quantum molecular dynamics investigations of TiN(001)/AlN and ZrN(001)/AlN heterostructures with one and two monolayers (1 ML and 2 ML) of AlN interfacial layers were carried out in the temperature range of 0–1400 K with subsequent static relaxation. It is shown that the epitaxially stabilized cubic B1-AlN interfacial layers are preserved in all TiN(001)/AlN heterostructures over the whole temperature range. In the ZrN(001)/AlN heterostructures, the B1-AlN(001) interfacial layer exists at 0 K, but it transforms into a distorted one at 10 K consisting of tetrahedral AlN{sub 4}, octahedral AlN{sub 6}, and AlN{sub 5} units. The thermal stability of the interfaces was investigated by studying the phonon dynamic stability of the B1-AlN phase with different lattice parameters. The calculations showed that the B1-AlN interface should be unstable in ZrN(001)/AlN heterostructures and nanocomposites, and in those based on transition metal nitrides with lattice parameters larger than 4.4 Å. Electronic band structure calculations showed that energy gap forms around the Fermi energy for all interfaces. The formation of the interfacial AlN layer in TiN and ZrN crystals reduces their ideal tensile and shear strengths. Upon tensile load, decohesion occurs between Ti (Zr) and N atoms adjacent to the 1 ML AlN interfacial layer, whereas in the case of 2 ML AlN it occurs inside the TiN and ZrN slabs. The experimentally reported strength enhancement in the TiN/AlN and ZrN/AlN heterostructures is attributed to impeding effect of the interfacial layer on the plastic flow. - Highlights: • First-principles quantum molecular dynamics studies were conducted. • TiN- and ZrN-based heterostructures with one and two AlN interfacial layers. • Stability and structural transformation between 0 and 1400 K have been calculated. • Stress–strain relationships and ideal strengths determined. • Systems which may form stable superhard heterostructures are identified.

New trace element determinations in the fingernails of ALS patients

Energy Technology Data Exchange (ETDEWEB)

Van Dalsem, D.J.; Ehmann, W.D. [Univ. of Kentucky, Lexington, KY (United States); Robinson, L. [Oak Ridge National Laboratory, TN (United States)

1996-12-31

Amyotrophic lateral sclerosis (ALS) afflicts 2 of every 100,000 people in the United States each year. A well-known example of ALS today is Stephen Hawking. He is a theoretical physicist, the author of A Brief History of Time, and is virtually immobilized by ALS. Diseases that cause progressive paralysis because of motor neuron degeneration in the central nervous system are termed motor neuron disorders (MND). Amyotrophic lateral sclerosis is a common form of MND. Pain-free, progressive muscular weakness is the most common clinical symptom. There is chronic weakness with atrophy of the affected muscles by the time the disease is diagnosed. Atrophy eventually results in wheelchair confinement and then only bed without the ability to speak or swallow. Death often occurs as a result of respiratory problems. Unlike other neurodegenerative diseases, in ALS the patient`s bladder and bowel control, eye movement, and mental faculties are preserved. The question today is whether or not certain trace elements are involved in the etiology or pathogenesis of ALS. A collaborative study was undertaken by the University of Kentucky and Oak Ridge National Laboratory (ORNL) using neutron activation analysis (NAA) to study trace element concentrations in ALS patients fingernails to determine if there existed statistically significant imbalances.

Kewalian Dalam Tasawuf Nusantara

Directory of Open Access Journals (Sweden)

Yunasril Ali

2013-12-01

Full Text Available Abstract : This article discusses the doctrine of Sainthood (al-walāyah which has a strong basis in the Qur’an and adīth and it has been elaborated systematically through Ibn ‘Arabi’s vast and complex teachings. While in the study of Sufism in the archipelago, the term saint (walī has been known along with the spread of Islam began in the archipelago, and it refers to two meanings; as the person who has the occulties as the implications of the sanctity and walī as the ruler of a particular region. Regardless the definition and scope, the true doctrine of sainthood can not be separated from the teaching of the prophetic and apostolic message which implies the human world is not only the physical realm, but there is a metaphysical world that has not been known to human and from which the physical world is controlled.Keywords : saint (walī, miracles, Muhammadan light (Nūr Muhammadi, sainthood, prophethood, seal of the saint Abstrak : Artikel ini mendiskusikan dokrin Kewalian (al-walāyah yang mempunyai basis yang kuat dalam al-Qur’an dan hadis dan isu ini secara sistematis dibahas melalui ajaran Ibn ‘Arabi yang kompleks. Sementara dalam kajian tasawuf di Nusantara, sebutan wali ini sudah mulai dikenal bersamaan dengan masuknya Islam ke negeri ini yang mengacu kepada dua pengertian, wali sebagai orang yang memiliki kesaktian-kesaktian (occulties sebagai implikasi dari kekeramatan dan wali sebagai penguasa wilayah tertentu. Terlepas dari pengertian dan cakupannya, ajaran kewalian yang sesungguhnya tidak lepas dari ajaran tentang kenabian dan kerasulan yang menyiratkan pesan bahwa dunia manusia bukan hanya dunia material yang identik dengan kenikmatan hedonis, tetapi di balik dunia fisik terdapat dunia metafisik yang belum banyak diketahui manusia dan dari sanalah dunia fisik ini dikendalikan.Kata-kata Kunci : wali, karamah, Nur Muhammad, kewalian, kenabian, penutup para wali.

Proton irradiation studies on Al and Al5083 alloy

Science.gov (United States)

Bhattacharyya, P.; Gayathri, N.; Bhattacharya, M.; Gupta, A. Dutta; Sarkar, Apu; Dhar, S.; Mitra, M. K.; Mukherjee, P.

2017-10-01

The change in the microstructural parameters and microhardness values in 6.5 MeV proton irradiated pure Al and Al5083 alloy samples have been evaluated using different model based techniques of X-ray diffraction Line Profile Analysis (XRD) and microindendation techniques. The detailed line profile analysis of the XRD data showed that the domain size increases and saturates with irradiation dose both in the case of Al and Al5083 alloy. The corresponding microstrain values did not show any change with irradiation dose in the case of the pure Al but showed an increase at higher irradiation doses in the case of Al5083 alloy. The microindendation results showed that unirradiated Al5083 alloy has higher hardness value compared to that of unirradiated pure Al. The hardness increased marginally with irradiation dose in the case of Al5083, whereas for pure Al, there was no significant change with dose.

Theory of Al2O3 incorporation in SiO2

DEFF Research Database (Denmark)

Lægsgaard, Jesper

2002-01-01

Different possible forms of Al2O3 units in a SiO2 network are studied theoretically within the framework of density-functional theory. Total-energy differences between the various configurations are obtained, and simple thermodynamical arguments are used to provide an estimate of their relative...

Crystal structure and stability of LiAlD4 with TiF3 additive

International Nuclear Information System (INIS)

Brinks, H.W.; Fossdal, A.; Fonnelop, J.E.; Hauback, B.C.

2005-01-01

LiAlD 4 samples with TiF 3 additives have been investigated by synchrotron X-ray diffraction, neutron diffraction and a Sieverts-type apparatus. Directly after ball milling there are no signs of any Ti-containing phases, and the unit-cell of LiAlD 4 and Al give no indication of any solid solutions. Hence it is concluded that the Ti is in an amorphous state directly after ball milling. Furthermore, no LiF was observed in the samples. Based on Sieverts-type measurements the plateau pressure at 80 deg C has been proved to be higher than 85 bar. Samples stored in a glove box are slowly desorbed, and after 6 months for a LiAlD 4 + TiF 3 sample, the reaction to LiD + Al is nearly finished

Analysis of Precursor Properties of mixed Al/Alumel Cylindrical Wire Arrays*

Science.gov (United States)

Stafford, A.; Safronova, A. S.; Kantsyrev, V. L.; Esaulov, A. A.; Weller, M. E.; Shrestha, I.; Osborne, G. C.; Shlyaptseva, V. V.; Keim, S. F.; Coverdale, C. A.; Chuvatin, A. S.

2012-10-01

Previous studies of mid-Z (Cu and Ni) cylindrical wire arrays (CWAs) on Zebra have found precursors with high electron temperatures of >300 eV. However, past experiments with Al CWAs did not find the same high temperature precursors. New precursor experiments using mixed Al/Alumel (Ni 95%, Si 2%, and Al 2%) cylindrical wire arrays have been performed to understand how the properties of L-shell Ni precursor will change and whether Al precursor will be observed. Time gated spectra and pinholes are used to determine precursor plasma conditions for comparison with previous Alumel precursor experiments. A full diagnostic set which included more than ten different beam-lines was implemented. Future work in this direction is discussed. [4pt] *This work was supported by NNSA under DOE Cooperative Agreements DE-FC52-06NA27588, and in part by DE-FC52-06NA27586, and DE-FC52-06NA27616. Sandia is a multi-program laboratory operated by Sandia Corporation, a Lockheed Martin Company, for the United States Department of Energy under Contract DE-AC04-94AL85000.

PEMBARUAN MASLAḤAH DALAM MAQĀṢID AL- SHARĪ‘AH: TELAAH HUMANISTIS TENTANG AL-KULLIYYĀT AL-KHAMSAH

Directory of Open Access Journals (Sweden)

Zaenuddin Mansyur

2012-06-01

Full Text Available Abstract:   In order to answer a variety of issues faced by human being in the current era, such as human rights abuses, social disintegration, and terrorism, the renewal of Islamic law in the level of theoretical and practical aspects is very urgent. This paper aims to examine one of the Islamic legal reform efforts, namely to build a more technical understanding of the concept of maṣlaḥah contained in the maqāṣīd sharī‘ah, called the al-kulliyat al-khamsah. Therefore, the concept of maṣlaḥah in ḥifẓ al-dīn is technically defined as al-ḥurriyah al-i‘tiqād (freedom of religion and schools; in ḥifẓ al-nafs as al-karamat al-insān (human being breeding; in ḥifẓ al-nasl as ḥifẓ al-usrah (wholeness and harmony of the family; in ḥifẓ al-māl as al-taḍammun al-insān (social solidarity , and in ḥifẓ al-‘aql as al-ḥuqūq as al-tarbiyāt (increasing human resources quality.Abstrak: Demi menjawab aneka persoalan zaman yang dihadapi manusia era sekarang, seperti penyelewengan terhadap HAM, disintegrasi sosial, dan terorisme, maka pembaharuan hukum Islam dalam tataran teoretis dan praktis urgen dilakukan. Tulisan ini bertujuan untuk mengkaji salah satu upaya pembaruan hukum Islam, yaitu membangun pemahaman yang lebih teknis terhadap konsep maṣlaḥah yang terkandung dalam maqāṣīd sharī‘ah, yang disebut dengan al-kulliyāt al-khamsah. Oleh karena itu, konsep maṣlaḥah dalam ḥifẓu al-dīn secara teknis dimaknai sebagai ḥurriyah al-i‘tiqād (kebebasan untuk beragama dan beraliran; dalam ḥifẓu al-nafs sebagai al-karāmāt al-insān (pemuliaan kemanusiaan; dalam ḥifẓu al-nasl sebagai ḥifẓu al-usrah (keutuhan dan keharmonisan keluarga; dalam ḥifẓu al-māl sebagai al-taḍammun al-insān (solidaritas sosial; dan dalam ḥifẓu al-‘aql sebagai al-ḥuqūq al-tarbiyāt (peningkatan sumber daya manusia.

Influence of Al doping on structural and optical properties of Mg–Al co-doped ZnO thin films prepared by sol–gel method

International Nuclear Information System (INIS)

Fang, Dongyu; Lin, Kui; Xue, Tao; Cui, Can; Chen, Xiaoping; Yao, Pei; Li, Huijun

2014-01-01

Highlights: • Mg–Al co-doped ZnO thin films were prepared by sol–gel spin coating method. • The effects of Al doping on structural and optical properties of AMZO thin films were investigated. • The EDS spectra confirmed presence of Mg and Al elements in AMZO thin films. • The optical band gap of AMZO thin films increased with Al doping concentration increased. • The origin of the photoluminescence emissions was discussed. -- Abstract: Mg–Al co-doped ZnO (AMZO) thin films were successfully deposited onto quartz glass substrates by sol–gel spin coating method. The structure, surface morphology, composition, optical transmittance, and photoluminescence properties of AMZO thin films were characterized through X-ray diffraction, scanning electron microscopy with energy dispersive X-ray spectroscopy (EDS), transmission electron microscopy, UV–VIS–NIR spectrophotometry, and fluorescence spectrophotometry. The results indicated that AMZO thin films exhibited preferred orientation growth along the c-axis, and the full width at half maximum of the (0 0 2) diffraction peak decreased first and subsequently increased, reaching a minimum of approximately 0.275° at 3% Al content. The calculated crystallite size increased from 30.21 nm to 40.73 nm. Al doping content increased from 1% to 3% and subsequently reached 19.33 nm for Al doping content at 5%. The change in lattice parameters was demonstrated by the c/a ratio, residual stress, bond length, and volume per unit cell. EDS analysis confirmed the presence of Mg and Al elements in ZnO thin films. The atomic percentage of Mg and Al elements was nearly equal to their nominal stoichiometry within the experimental error. In addition, the optical transmittance of AMZO thin films was over 85% in the visible region, and the optical band gap increased with increasing Al doping concentration. Room temperature photoluminescence showed ultraviolet emission peak and defect emission peak. The defect emission peak of

Mechanisms of charge transfer and redistribution in LaAlO3/SrTiO3 revealed by high-energy optical conductivity.

Science.gov (United States)

Asmara, T C; Annadi, A; Santoso, I; Gogoi, P K; Kotlov, A; Omer, H M; Motapothula, M; Breese, M B H; Rübhausen, M; Venkatesan, T; Ariando; Rusydi, A

2014-04-14

In condensed matter physics the quasi two-dimensional electron gas at the interface of two different insulators, polar LaAlO3 on nonpolar SrTiO3 (LaAlO3/SrTiO3) is a spectacular and surprising observation. This phenomenon is LaAlO3 film thickness dependent and may be explained by the polarization catastrophe model, in which a charge transfer of 0.5e(-) from the LaAlO3 film into the LaAlO3/SrTiO3 interface is expected. Here we show that in conducting samples (≥ 4 unit cells of LaAlO3) there is indeed a ~0.5e(-) transfer from LaAlO3 into the LaAlO3/SrTiO3 interface by studying the optical conductivity in a broad energy range (0.5-35 eV). Surprisingly, in insulating samples (≤ 3 unit cells of LaAlO3) a redistribution of charges within the polar LaAlO3 sublayers (from AlO2 to LaO) as large as ~0.5e(-) is observed, with no charge transfer into the interface. Hence, our results reveal the different mechanisms for the polarization catastrophe compensation in insulating and conducting LaAlO3/SrTiO3 interfaces.

Combustion synthesis of AlB2-Al2O3 composite powders with AlB2 nanowire structures

Science.gov (United States)

Yang, Pan; Xiao, Guoqing; Ding, Donghai; Ren, Yun; Yang, Shoulei; Lv, Lihua; Hou, Xing

2018-05-01

Using of Al and B2O3 powders as starting materials, and Mg-Al alloy as additives, AlB2-Al2O3 composite powders with AlB2 nanowire structures were successfully fabricated via combustion synthesis method in Ar atmosphere at a pressure of 1.5 MPa. The effect of different amount of Mg-Al alloy on the phase compositions and morphology of the combustion products was investigated. The results revealed that AlB2 and Al2O3 increased, whereas Al decreased with the content of Mg-Al alloy increasing. The impurities MgAl2O4 and AlB12 would exist in the sample with adding of 18 wt% Mg-Al alloy. Interestingly, FESEM/TEM/EDS results showed that AlB2 nanowires were observed in the products when the content of Mg-Al alloy is 6 wt% and 12 wt%. The more AlB2 nanowires can be found as the content of Mg-Al alloy increased. And the yield of AlB2 nanowires with the diameter of about 200 nanometers (nm) and the length up to several tens of micrometers (μm) in the combustion product is highest when the content of Mg-Al alloy is 12 wt%. The vapor, such as Mg-Al (g), B2O2 (g), AlO (g) and Al2O (g), produced during the process of combustion synthesis, reacted with each other to yield AlB2 nanowires by vapor-solid (VS) mechanism and the corresponding model was also proposed.

The effects of boron in TiAl/Ti3Al

International Nuclear Information System (INIS)

Feng, C.R.; Michel, D.J.; Crowe, C.R.

1989-01-01

The authors discuss the TiAl/Ti 3 Al interfacial misfit dislocations structures investigated by TEM in Ti-45Al alloy and Ti-45Al/TiB 2 composite. For TiAl with c/a = 1.02, only a single set of misfit dislocation arrays are crystallographically possible; these were observed in Ti-45Al alloy. However, the observation of three sets of misfit dislocation arrays in the Ti-45Al/TiB 2 composite suggests that the occupation of octahedral sites in the TiAl structure by excess boron was responsible for a decrease in the c/a ratio leading to an increased fcc character of the TiAl at the TiAl/Ti 3 Al interface

Structural and magnetic characterization of maghemites prepared from Al-substituted magnetites

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Marcelo Augusto Batista

2013-12-01

Full Text Available Synthetic aluminum-substituted maghemites were characterized by total chemical analysis, powder X-ray diffraction (XRD, Mössbauer spectroscopy (ME, and vibrating sample magnetometry (VSM. The aim was to determine the structural, magnetic, and hyperfine properties of γ-Fe2-xAl xO3 as the Al concentration is varied. The XRD results of the synthetic products were indexed exclusively as maghemite. Increasing Al for Fe substitution decreased the mean crystalline dimension and shifted all diffraction peaks to higher º2θ angles. The a0 dimension of the cubic unit cell decreased with increasing Al according to the equation a o = 0.8385 - 3.63 x 10-5 Al (R²= 0.94. Most Mössbauer spectra were composed of one sextet, but at the highest substitution rate of 142.5 mmol mol-1 Al, both a doublet and sextet were obtained at 300 K. All hyperfine parameters from the sub-spectra were consistent with high-spin Fe3+ (0.2 a 0.7 mms-1 and suggested a strong superparamagnetic component associated with the doublet. The magnetic hyperfine field of the sextets decreased with the amount of Al-substitution [Bhf (T = 49.751 - 0.1202Al; R² = 0.94] while the linewidth increased linearly. The saturation magnetization also decreased with increasing isomorphous substitution.

On the asymptotic distribution of a unit root test against ESTAR alternatives

NARCIS (Netherlands)

Hanck, Christoph

We derive the null distribution of the nonlinear unit root test proposed in Kapetanios et al. [Kapetanios, G., Shin, Y., Snell, A., 2003. Testing for a unit root in the nonlinear STAR framework, journal of Econometrics 112, 359-379] when nonzero means or both means and deterministic trends are

In Situ Fabrication of AlN Coating by Reactive Plasma Spraying of Al/AlN Powder

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Mohammed Shahien

2011-10-01

Full Text Available Reactive plasma spraying is a promising technology for the in situ formation of aluminum nitride (AlN coatings. Recently, it became possible to fabricate cubic-AlN-(c-AlN based coatings through reactive plasma spraying of Al powder in an ambient atmosphere. However, it was difficult to fabricate a coating with high AlN content and suitable thickness due to the coalescence of the Al particles. In this study, the influence of using AlN additive (h-AlN to increase the AlN content of the coating and improve the reaction process was investigated. The simple mixing of Al and AlN powders was not suitable for fabricating AlN coatings through reactive plasma spraying. However, it was possible to prepare a homogenously mixed, agglomerated and dispersed Al/AlN mixture (which enabled in-flight interaction between the powder and the surrounding plasma by wet-mixing in a planetary mill. Increasing the AlN content in the mixture prevented coalescence and increased the nitride content gradually. Using 30 to 40 wt% AlN was sufficient to fabricate a thick (more than 200 µm AlN coating with high hardness (approximately 1000 Hv. The AlN additive prevented the coalescence of Al metal and enhanced post-deposition nitriding through N₂ plasma irradiation by allowing the nitriding species in the plasma to impinge on a larger Al surface area. Using AlN as a feedstock additive was found to be a suitable method for fabricating AlN coatings by reactive plasma spraying. Moreover, the fabricated coatings consist of hexagonal (h-AlN, c-AlN (rock-salt and zinc-blend phases and certain oxides: aluminum oxynitride (Al₅O₆N, cubic sphalerite Al₂₃O₂₇N₅ (ALON and Al₂O₃. The zinc-blend c-AlN and ALON phases were attributed to the transformation of the h-AlN feedstock during the reactive plasma spraying. Thus, the zinc-blend c-Al

The Killing of Anwar al Awlaki: How the United States Lost a Crucial Battle in the War of Ideas

Science.gov (United States)

2016-03-01

enforcement first discovered and arrested al-Awlaki in San Diego as a regular solicitor of prostitution , a fact that would come back to haunt him...Al-Awlaki’s rising influence in San Diego as a lecturer, preacher and Islamic activist, as well as his penchant for prostitution , set the stage for...against us.൦ After a legal review and recommendation provided by the Department of Justice, President Barack Obama assigned al-Awlaki to the US’s

Instability of TiC and TiAl3 compounds in Al-10Mg and Al-5Cu alloys by addition of Al-Ti-C master alloy

Institute of Scientific and Technical Information of China (English)

无

2006-01-01

The performance of Al-Ti-C master alloy in refining Al-10Mg and A1-5Cu alloys was studied by using electron probe micro-analyzer (EPMA) and X-ray diffractometer (XRD) analysis.The results indicate that there are obvious fading phenomena in both Al-10Mg and Al-5Cu alloys with the addition of Al-5Ti-0.4C refiner which contains TiC and TiAl3 compounds.Mg element has no influence on the stability of TiC and TiAl3, while TiC particles in Al-10Mg alloy react with Al to form Al4C3 particles, resulting in the refinement fading.However, TiC particles are relatively stable in Al-5Cu alloy, while TiAl3 phase reacts with Al2Cu to produce a new phase Ti(Al, Cu)2, which is responsible for the refinement fading in Al-5Cu alloy.These indicate that the refinement fading will not occur only when both the TiC particles and TiAl3 compound of Al-Ti-C refiner are stable in Al alloys.

Antifriction coating of Cu-Fe-Al-Pb system for plain bearings

Science.gov (United States)

Kotenkov, Pavel; Kontsevoi, Yurii; Mejlakh, Anna; Pastukhov, Eduard; Shubin, Alexey; Goyda, Eduard; Sipatov, Ivan

2017-09-01

Aluminium, copper and their compounds are used in common as basis for antifriction coatings of plain bearings. Antifriction testing of plain bearings (based on Al and Cu) made by leading automotive manufacturers from Germany, Japan, USA, United Kingdom and Russia were carried out to make judicious selection of basis for development of new antifriction material. Testing was carried out using friction machine. It was defined that materials based on Cu provide better durability and robustness of plain bearings in comparison with Al based ones. The new antifriction composite coatings based on copper were developed taking into account the requirements specified for plain bearings of internal-combustion engine. Pilot samples of plain bearings with antifriction coatings of Cu-Fe-Al-Pb system were produced. The antifriction composite having Cu-5Fe-5Al5Fe2-10Pb (mass %) composition has demonstrated low friction factor and high wear-resistance. Metallographic analysis of pilot samples was carried out by means of optical and scanning electron microscopy.

PEMAHAMAN HADITS TARBAWI BURHAN AL ISLAM AL ZARNUJI DALAM KITAB TA’LIM AL MUTA’ALLIM

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Benny Afwadzi

2017-01-01

Full Text Available This paper explores the understanding of tarbawi (education hadith from one of the major influential clerics in the Islamic educational system, especially in pesantren. He is Burhan al Islam al Zarnuji with his landmark book Ta’lim al Muta’allim. The conclusion that can be drawn is that al Zarnuji has shades of sufistical view in understanding tarbawi hadith. This can be seen in his understanding of hadith on obligation to seek knowledge (thalab al ilmi faridhatun ‘ala kulli muslimin wa muslimatin, which is interpreted as ilm al hal, the science concerning the condition of the human religious or simplistically said as the religious sciences; and the hadith of intention of studying (innama al a’malu bi al niyyat with the intention for the sake of the hereafter and religion, not mundane. Such an understanding is not something taken for granted, but it can be reinterpreted and perfected in accordance with the spirit of the times of context.

Electron density distribution and crystal structure of 27R-AlON, Al9O3N7

International Nuclear Information System (INIS)

Asaka, Toru; Banno, Hiroki; Funahashi, Shiro; Hirosaki, Naoto; Fukuda, Koichiro

2013-01-01

The crystal structure of Al 9 O 3 N 7 was characterized by laboratory X-ray powder diffraction (CuKα 1 ). The title compound is trigonal with space group R3-bar m (centrosymmetric). The hexagonal unit-cell dimensions (Z=3) are a=0.30656(2) nm, c=7.2008(3) nm and V=0.58605(5) nm 3 . The initial structural model was derived by the powder charge-flipping method and subsequently refined by the Rietveld method. The final structural model showed the positional disordering of two of the five types of Al sites. The maximum-entropy method-based pattern fitting method was used to confirm the validity of the split-atom model, in which conventional structure bias caused by assuming intensity partitioning was minimized. The disordered crystal structure was successfully described by overlapping five types of domains with ordered atom arrangements. The distribution of atomic positions in one of the five types of domains can be achieved in the space group R3 ¯ m. The atom arrangements in the four other domains are noncentrosymmetric with the space group R3m. Two of the four types of domains are related by a pseudo-symmetry inversion, and the two remaining domains also have each other the inversion pseudo-symmetry. The very similar domain structure has been also reported for 21R-AlON (Al 7 O 3 N 5 ) in our previous study. - Graphical abstract: A bird’s eye view of electron densities up to 50% (0.074 nm −3 ) of the maximum on the plane parallel to (110) with the corresponding atomic arrangements of Al 9 O 3 N 7 . Highlights: • Crystal structure of Al 9 O 3 N 7 is determined by laboratory X-ray powder diffraction. • The atom arrangements are represented by the split-atom model. • The maximum-entropy method-based pattern fitting method is used to confirm the validity of the model. • The disordered structure is described by overlapping five types of domains with ordered atom arrangements

Les complications chirurgicales de la transplantation rénale à partir du donneur vivant: expérience du CHU Ibn Sina de Rabat

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Intissar Haddiya

2010-09-01

Full Text Available INTRODUCTION: La transplantation rénale (TR est actuellement considérée comme un traitement de choix de l’insuffisance rénale chronique terminale (IRCT. Ses résultats se sont améliorés au cours des dernières années. Cependant, les complications chirurgicales demeurent graves car elles touchent un rein unique et surviennent sur un terrain fragilisé par l’insuffisance rénale et l’immunosuppression. L’objectif de ce travail est d’évaluer la fréquence des complications chirurgicales lors de l’activité de TR au CHU Ibn Sina de Rabat, et de dégager les facteurs ayant influé l’apparition de ces complications. METHODES: Étude rétrospective des patients transplantés rénaux à partir de donneurs vivants apparentés (DVA de Juin 1999 à Décembre 2008 dans notre centre hospitalo-universitaire. Nous avons recensé les caractéristiques propres au receveur, au prélèvement, au donneur ainsi qu’au greffon. Les complications chirurgicales ont été colligées ainsi que leur prise en charge et évolution. RESULTATS: Soixante sept dossiers ont été analysés avec un suivi moyen de 55 +/- 28 mois. 38 complications chirurgicales ont été recensées : sténose des artères rénales (38,7%, lymphocèle (21%, hématome (12,7%, thrombose vasculaire (7,8%, reflux vésico-urétéral (4,8%, rupture du greffon (3,2%, calcul (1 cas, éventration (1 cas, L’analyse statistique de notre série n’a pas mis en évidence de facteurs de risque significatifs semblant influer sur l’incidence des complications chirurgicales. CONCLUSION: La morbidité liée aux complications chirurgicales de la TR reste élevée nécessitant un diagnostic et un traitement adéquat afin d’éviter les répercussions sur la survie des patients et des greffons.

Natural remedies in the Canon of Medicine for dentistry and oral biology

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Pouya Faridi

2015-03-01

Full Text Available Ibn Sina is one of the most well know scholars in middle ages. This Persian physician wrote different books in medical filed which his great encyclopedia remained as one the most successful medical encyclopedia during the history. Ibn Sina discussed diseases of oral cavity and dentistry in the 3rd book of The Canon of Medicine. He discussed different conditions such as different types of trauma to the motor nerves, taste sensation, different limitations of tongue movements, Ranula, halitosis, tooth sensation, different types of tooth pain, Bruxism, attrition, loss of enamel, gingival bleeding, recession and hyperplasia. For management of these diseases he introduced more than 80 herbal remedies. Most of this plant species are from essential oil reach families. Generally, Ibn Sina has a deep view in case of dental diseases and his ideas and methods for treatment of this category of disease could be studied for finding new treatment in dental ailments.

Hanford Site Waste Managements Units reports

International Nuclear Information System (INIS)

1992-01-01

The Hanford Site Waste Management Units Report (HSWMUR) was originated to provide information responsive to Section 3004(u) of the Hazardous and Solid Waste Amendments (HSWA) of the 1984 United States Code (USC 1984). This report provides a comprehensive inventory of all types of waste management units at the Hanford Site, including a description of the units and the waste they contain. Waste management units in this report include: (1) Resource Conservation and Recovery Act of 1976 (RCRA) disposal units, (2) Comprehensive Environmental Response, Compensation, and Liability Act of 1980 (CERCLA) disposal units, (3) unplanned releases, (4) inactive contaminated structures, (5) RCRA treatment, storage, and disposal (TSD) units, and (6) other storage areas. Because of the comprehensive nature of this report, the listing of sites is more extensive than required by Section 3004(u) of HSWA. The information in this report is extracted from the Waste Information Data System (WIDS). The WIDS provides additional information concerning the waste management units contained in this report and is maintained current with changes to these units. This report is updated annually if determined necessary per the Hanford Federal Facility Agreement and Consent Order Order (commonly referred to as the Tri-Party Agreement, Ecology et al. 1990). This report identifies 1,414 waste management units. Of these, 1,015 units are identified as solid waste management units (SWMU), and 342 are RCRA treatment, storage, and disposal units. The remaining 399 are comprised mainly of one-time spills to the environment, sanitary waste disposal facilities (i.e., septic tanks), and surplus facilities awaiting decontamination and decommissioning

Calculation of Gibbs energy of Zr-Al-Ni, Zr-Al-Cu, Al-Ni-Cu and Zr-Al-Ni-Cu liquid alloys based on quasiregular solution model

International Nuclear Information System (INIS)

Li, H.Q.; Yang, Y.S.; Tong, W.H.; Wang, Z.Y.

2007-01-01

With the effects of electronic structure and atomic size being introduced, the mixing enthalpy as well as the Gibbs energy of the ternary Zr-Al-Cu, Ni-Al-Cu, Zr-Ni-Al and quaternary Zr-Al-Ni-Cu systems are calculated based on quasiregular solution model. The computed results agree well with the experimental data. The sequence of Gibbs energies of different systems is: G Zr-Al-Ni-Cu Zr-Al-Ni Zr-Al-Cu Cu-Al-Ni . To Zr-Al-Cu, Ni-Al-Cu and Zr-Ni-Al, the lowest Gibbs energy locates in the composition range of X Zr 0.39-0.61, X Al = 0.38-0.61; X Ni = 0.39-0.61, X Al = 0.38-0.60 and X Zr = 0.32-0.67, X Al = 0.32-0.66, respectively. And to the Zr-Ni-Al-Cu system with 66.67% Zr, the lowest Gibbs energy is obtained in the region of X Al = 0.63-0.80, X Ni = 0.14-0.24

Redetermination of the Crystal Structure of Al2Br6

DEFF Research Database (Denmark)

Berg, Rolf W.; Poulsen, Finn W.; Nielsen, Kurt

1997-01-01

. In accordance with previous results, the structure belongs to the monoclinic space group P2(1)/a, no. 14, C-2h(5), with a = 10.301(4), b = 7.095(2), c = 7.525(3) Angstrom, and beta = 96.44(3)degrees, and with two Al2Br6 molecules per unit cell. The single crystal was refined to R = 0.0746. Rather similar......The structure of aluminium bromide has been reinvestigated by X-ray diffraction in three different ways: (a) on a single crystal grown in a glass capillary, (b) on powder in a Debye-Scherrer glass capillary and (c) on an area of powder placed in a protective container for Bragg-Brentano geometry...... structural results were obtained from full-profile Rietveld refinements of powder data [goodness of fit = 1.38 and 2.54 for (b) and (c), respectively]. The Al2Br6 molecule consists of two edge-sharing, almost regular AlBr4 tetrahedra. The Al-Br bond distances are in the range 2.21-2.42 Angstrom...

Don Yllán and the Egyptian Sorcerer: Vernacular commonality and literary diversity in medieval Castile

Directory of Open Access Journals (Sweden)

Wacks, David A.

2005-12-01

Full Text Available In this article the author compares the exemplo of Don Yllán and the Deán de Santiago -no. 11 in Don Juan Manuel's Conde Lucanor (ca. 1335- with an earlier Hebrew analogue found in the Hebrew Mešal Haqadmonī (ca. 1285 of fellow Castilian author Isaac ibn Sahula. A thorough analysis of the rhetorical and narrative style of both versions reveals that the two tales shared a common source in Castilian oral tradition. The appearance of the tale in an earlier Hebrew text from Castile (the only other known version in any language calls into question the originality of Don Juan Manuel's most famous exemplo, suggesting a productive interplay between a common oral tradition in Castilian and coexisting literary traditions in Hebrew and Castilian.

En este artículo, el autor compara el exemplo de Don Yllán y el Deán de Santiago -n.^° 11 en el Conde Lucanor (ca. 1335 de Don Juan Manuel- con una versión anterior en la obra hebrea, Mešal Haqadmonī (ca. 1285 de otro autor castellano, Isaac ibn Sahula. Un análisis cuidadoso del estilo narrativo y retórico de ambas versiones revela que las dos comparten una fuente común en la tradición oral castellana. La aparición del cuento en un texto hebreo anterior de Castilla (la única versión conocida en cualquier otra lengua cuestiona la originalidad literaria del más famoso exemplo de Don Juan Manuel, y sugiere un intercambio productivo entre una tradición oral común castellana y tradiciones literarias hebreas y castellanas coexistentes.

A learning skills course for the 1st year medical students: an experience at a Saudi medical school

Directory of Open Access Journals (Sweden)

Siddiqui IA

2015-03-01

Full Text Available Imran A Siddiqui,1 Khalid A Bin Abdulrahman,2 Mohammed A Alsultan3 1Department of Medical Education and Postgraduate Studies, Saudi Commission for Health Specialties, Riyadh, Saudi Arabia; 2College of Medicine, Al-Imam Muhammad Ibn Saud Islamic University (IMSIU, Riyadh, Saudi Arabia; 3College of Medicine, King Saud bin Abdulaziz University for Health Sciences, Riyadh, Saudi Arabia Background: Every year nearly 1,500 students enter into medical program after passing high school and national aptitude exams. However, many students experience frustration, failure, and psychological morbidities like stress, depression, and anxiety because they are not aware of their learning styles or do not have effective learning skills and strategies. The College of Medicine of Al-Imam Muhammad ibn Saud Islamic University has adopted the outcome based, community oriented, Spiral Curriculum. Although the curriculum is innovative, on the other hand, it is very demanding. Objective: The purpose of this paper is to share educational structure and evaluation results of the course on effective learning and study skills for the 1st year medical students. Methods: To prepare our students in order to cope with this demanding but promising curriculum, we conducted an effective and comprehensive learning skills course for 16 weeks in the first semester of year 1 in the medical program. Performance of each student was assessed and the course evaluation was done by students at the end of the course. Results: The attendance of the students throughout the course was over 90%. The average performance of students in the summative assessment was 78% and the course was generally liked by the students. Discussion: Students overall had a positive attitude toward the learning skills course. Majority of the students showed interest in attending the sessions regularly and realized the significance of this course to improve their learning skills. Keywords: medical students, learning

Bipolar characteristics of AlGaN/AlN/GaN/AlGaN double heterojunction structure with AlGaN as buffer layer

International Nuclear Information System (INIS)

Peng, Enchao; Wang, Xiaoliang; Xiao, Hongling; Wang, Cuimei; Yin, Haibo; Chen, Hong; Feng, Chun; Jiang, Lijuan; Hou, Xun; Wang, Zhanguo

2013-01-01

Highlights: •2DEG and 2DHG coexist in the AlGaN/AlN/GaN/AlGaN DH-structure. •The sheet densities of 2DEG and 2DHG vary with buffer Al content and GaN thickness. •The conditions for the disappearance of 2DHG are discussed. •Increasing buffer Al content provides better electron confinement. •Dislocation scattering is reduced in the DH-structure. -- Abstract: This is a theoretical study of AlGaN/AlN/GaN/AlGaN double heterojunction (DH) structure with AlGaN as buffer layer. Our calculation shows that as the buffer Al content increases, though two-dimensional electron gas (2DEG) sheet density decreases, the channel back-barrier caused by polarization-induced electric field in GaN provides better electron confinement. And under certain conditions the DH-structure shows bipolar characteristics, with an additional two-dimensional hole gas (2DHG) formed at GaN/AlGaN interface. The influence of the buffer Al content and GaN channel thickness on the 2DEG and 2DHG sheet densities are investigated, and the conditions for the disappearance of 2DHG are discussed. Also, the mobility inhibited by dislocation scattering is enhanced in DH-structure due to the enhancement of screening effect of the 2DEG

The code of light: al-ghazali and al-suhrawardi

OpenAIRE

Gediminaitė, Barbora

2017-01-01

The Code of Light: Al-Ghazali and Al-Suhrawardi The Bachelor’s thesis The Code of Light in Islam: al-Ghazali and al-Suhrawardi presents a comparative study of light. The study analyses the philosophical systems of al-Ghazali and al-Suhrawardi through the reconstruction of the image of light and its operation principles. The main subject of the thesis are the attributes of light. The main problem of the research is the semantics and contextuality of light in Islamic theology and philosophy. Th...

Application of inertial measuring unit in air navigation for ALS and DAP

African Journals Online (AJOL)

This article describes the inertial measuring device IMU, as well as its use in airborne laser scanning and digital aerial photography. This device is used during the operation of a scanning unit and an aerial photo camera. The structure of an additional connection for a digital video camera is proposed, which will record video ...

Pemikiran Filosofis Sadra Dalam Tafsir Al-Qur’an Al-Karim : Surah Al-’A‘la

Directory of Open Access Journals (Sweden)

Kerwanto Kerwanto

2014-12-01

Full Text Available Abstrak : Dalam tafsir atas Surah al-’A‘lā, Mulla Sadra, melalui karyanya Tafsīr al Qur’ān al-Karīm, mengajak jiwa kita berpetualang menuju lapisan makna terdalam untuk mengenali realitas ketauhidan (al- mabdā’, kenabian (shirāth atau nubuwwah dan kebangkitan (ma‘ād dan mengulasnya secara filosofis. Penelitian ini merupakan suatu upaya untuk menggali manfaat dari aspek-aspek penting dari sumber-sumber keagamaan yang tergali dari petunjuk al Qur’an yang berpadu dengan prinsip- prinsip rasional filosofis dan pengalaman mistik (intuitif Sadra. Setiap bab pada tafsir ini diberikan judul dengan tasbīḥ (pernyataan pemujian dan pensucian, dengan tetap memaparkan beragam pokok persoalan terkait metafisika al-Qur’an. Prinsip-prinsip filosofis yang digunakan dalam risalah tafsir ini bisa menjadi salah satu bukti ketidakberjarakan antara filsafat dengan teks-teks keagamaan. Sadra menggunakan metode tafsir yang tetap menerima sisi lahiriah al-Qur’an, dan selanjutnya mencari misteri-misteri, rahasia-rahasia, dan dengan bantuan intelek (akal, intuisi dan iluminasi Tuhan untuk memperoleh realitas-realitas dan makna- makna dibalik selaput ekternalnya (aspek literalnyaKata kunci : Ḥikmah Muta’āliyah, irfan, al-mabdā’, kebangkitan setelah mati, nubuwwah, takwīl, gerak substansial (ḥarakah jawhariyyah, denotasi utama (al-maqshūd al-ashlī, penyempurnaan diri (takammul, tasbīḥ.  Abstract : In his commentary on Surah al-’ A‘lā, Mulla Sadra, through his Tafsīr al-Qur’ān al-Karīm invites our souls to ventureinto the deepest layers of meaning to recognize the reality of Divinity (al- mabdā’, prophethood (Ṣirāṭ or nubuwwah and resurrection (ma‘ād and discusses it in a more philosophical manner. This study is an attempt to explore the benefits of these important aspects of religious sources unearthed from Qur’anic injunctions combined with rational principles of philosophical and mystical experiences

Liquidus projection of the Nb-Cr-Al system near the Al3(Nb,Cr) + Cr(Al,Nb) eutectic region

International Nuclear Information System (INIS)

Souza, S.A.; Ferrandini, P.L.; Nunes, C.A.; Coelho, A.A.; Caram, R.

2006-01-01

The system Nb-Cr-Al was investigated in the region near the Al 3 (Nb,Cr) + Cr(Al,Nb) eutectic and the liquidus projection of that region was determined based on the microstructural characterization of arc melted alloys. The characterization utilized scanning electron microscopy (SEM), energy dispersive spectroscopy (EDS), differential thermal analysis (DTA) and X-ray diffraction (XRD). The results allowed one to determine three primary solidification liquidus surfaces ((Cr,Al) 2 Nb, Cr(Al,Nb) and Al 3 (Nb,Cr)), that are originated from the binary systems Cr-Nb, Cr-Al and Al-Nb. It is proposed the occurrence of the invariant reaction L + (Cr,Al) 2 Nb ↔ Al 3 (Nb,Cr) + Cr(Al,Nb) and of a point of minimum, which involves a three phase reaction, L ↔ Al 3 (Nb,Cr) + Cr(Al,Nb). All alloys studied showed formation of the Al 3 (Nb,Cr) + Cr(Al,Nb) eutectic as the last solidification step with Al(Nb)Cr 2 precipitating from Cr(Al,Nb)

Examining the Islamic stock market efficiency: Evidence from nonlinear ESTAR unit root tests

Directory of Open Access Journals (Sweden)

Rahmat Heru Setianto

2015-04-01

Full Text Available This paper empirically examines the efficient market hypothesis (EMH in the Islamic stock market namely Jakarta Islamic Index by emphasizing on the random walk behavior and nonlinearity. In the first step, we employ Brock et al. (1996 test to examine the presence of nonlinear behavior in Jakarta Islamic Index. The evidence of nonlinear behavior in the indices, motivate us to use nonlinear ESTAR unit root test procedure recently developed by Kapetanios et al. (2003 and Kruse (2011. The nonlinear unit root test procedure fail to rejects the null hypothesis of unit root for the indices, suggesting that Jakarta Islamic Index characterized by random walk process supporting the theory of efficient market hypothesis. In addition, Lumsdaine and Papel (LP test identified significant structural breaks in the index series.

Interpersonal violence in the United Arab Emirates.

Science.gov (United States)

Osman, Ossama T; Abbas, Alaa K; Eid, Hani O; Salem, Mohamed O; Abu-Zidan, Fikri M

2014-01-01

We aimed to study the anatomical distribution, severity and outcome of hospitalised interpersonal violence-related injured patients in Al-Ain, United Arab Emirates so as to give recommendations regarding the magnitude of this problem, its causes and priorities of prevention. Data were retrieved from Al-Ain Hospital Trauma Registry, which was prospectively collected over three years. There were 75 patients (males = 85.3%) having a mean age of 30 years. Eighty-one percent had blunt trauma. The estimated annual injury hospitalisation of interpersonal violence in Al-Ain city was 6.7 per 100,000 population. Females were significantly more injured by a family member (p = 0.02), at home (p = 0.005), and had more severe injuries (p = 0.003). There was a trend for children less than 18 years old to have more penetrating trauma (p = 0.06) and to be injured by a family member (p = 0.09). There was only one case of woman sexual assault and two cases of child abuse. The mean (SD) hospital stay was 7.87 (14.1) days. Less than 3% (n = 2) were admitted to the intensive care unit with no deaths. In conclusion, the majority of patients in our study had minor injuries. Nevertheless, the psychological impact may be major. This highlights the need to develop suitable mental health services in support of victims of interpersonal violence.

Nanoporous Al sandwich foils using size effect of Al layer thickness during Cu/Al/Cu laminate rolling

Science.gov (United States)

Yu, Hailiang; Lu, Cheng; Tieu, A. Kiet; Li, Huijun; Godbole, Ajit; Kong, Charlie

2018-06-01

The roll bonding technique is one of the most widely used methods to produce metal laminate sheets. Such sheets offer interesting research opportunities for both scientists and engineers. In this paper, we report on an experimental investigation of the 'thickness effect' during laminate rolling for the first time. Using a four-high multifunction rolling mill, Cu/Al/Cu laminate sheets were fabricated with a range of thicknesses (16, 40, 70 and 130 μm) of the Al layer. The thickness of the Cu sheets was a constant 300 μm. After rolling, TEM images show good bonding quality between the Cu and Al layers. However, there are many nanoscale pores in the Al layer. The fraction of nanoscale pores in the Al layer increases with a reduction in the Al layer thickness. The finite element method was used to simulate the Cu/Al/Cu rolling process. The simulation results reveal the effect of the Al layer thickness on the deformation characteristics of the Cu/Al/Cu laminate. Finally, we propose that the size effect of the Al layer thickness during Cu/Al/Cu laminate rolling may offer a method to fabricate 'nanoporous' Al sandwich laminate foils. Such foils can be used in electromagnetic shielding of electrical devices and noisy shielding of building.

Structural stability and electronic properties of AlCu3, AlCu2Zr in AlZr3: Stabilnost strukture in elektronske lastnosti AlCu3, AlCu2Zr in AlZr3:

OpenAIRE

Cheng, Rong; Wu, Xiao-Yu

2013-01-01

First-principles calculations were performed to study the alloying stability and electronic structure of the Al-based intermetallic compounds AlCusub3, AlCusub{2}Zr and AlZrsub3. The results show that the lattice parameters obtained after the full relaxation of the crystalline cells are consistent with the experimental data, and these intermetallics have a strong alloying ability and structural stability due to their negative formation energies and their cohesive energies. A further analysis ...

Drone Warfare: Is the United States Violating the Law of Armed Conflict

Science.gov (United States)

2011-02-16

NOTE AIR WAR COLLEGE AIR UNIVERSITY DRONE WARFARE: IS THE UNITED STATES VIOLATING THE LAW OF ARMED CONFLICT? by Barbara E. Shestko, Col...Base, Alabama. 1 Introduction The United States has become increasingly dependent upon the use of unmanned aircraft systems (UASs) or “ drones ” to...kill targeted members of al-Qaeda and the Taliban.1 Due to the success of drone warfare, we can expect the United States to continue its current

Band gap structure modification of amorphous anodic Al oxide film by Ti-alloying

DEFF Research Database (Denmark)

Canulescu, Stela; Rechendorff, K.; Borca, C. N.

2014-01-01

The band structure of pure and Ti-alloyed anodic aluminum oxide has been examined as a function of Ti concentration varying from 2 to 20 at. %. The band gap energy of Ti-alloyed anodic Al oxide decreases with increasing Ti concentration. X-ray absorption spectroscopy reveals that Ti atoms...... are not located in a TiO2 unit in the oxide layer, but rather in a mixed Ti-Al oxide layer. The optical band gap energy of the anodic oxide layers was determined by vacuum ultraviolet spectroscopy in the energy range from 4.1 to 9.2 eV (300–135 nm). The results indicate that amorphous anodic Al2O3 has a direct...

The United Arab Emirates (UAE): Issues for U.S. Policy

National Research Council Canada - National Science Library

Katzman, Kenneth

2005-01-01

The United Arab Emirates (UAE), under new leadership upon the November 2, 2004 death of its president, Shaykh Zayid bin Sultan al-Nuhayyan, has undergone a smooth transition, but it remains weak militarily and surrounded...

Al Zara: helping to make the super grid a reality

Energy Technology Data Exchange (ETDEWEB)

Turner, David [Mott MacDonald, Brighton (United Kingdom)

2000-05-01

The new gas-fired power plant at Al Zara in Syria will be close to the heart of the proposed super grid network linking Syria, Turkey, Jordan, Iraq and Egypt. The article describes the Al Zara plant (3 x 220 MWe units) and focuses particularly on the dry cooling towers. An indirect cooling system is unitised and comprises steel natural draught towers covered with aluminium sheeting each 135 m high and 114 m diameter at the base. An auxiliary cooling water system is also described. The 245 million pounds sterling project is being carried out by Mitsubishi and financed by an Overseas Economic Co-operation loan from Japan: it should be operational in 2000.

Nurturing Salafi manhaj; A study of Salafi pesantrens in contemporary Indonesia

Directory of Open Access Journals (Sweden)

Din Wahid

2015-07-01

Full Text Available This study is about the role of Salafi pesantrens (Islamic boarding schools in Salafi da’wa (conveying or inviting to the way of Islam in Indonesia. A Salafi pesantren is a pesantren that teaches Salafism which mostly derives from the works of Muhammad ibn ‘Abd al-Wahhab, the founder of Wahhabism in Saudi Arabia. Salafi pesantrens started to emerge in the late 1980s and were established by graduates from Saudi Arabia and Yemen universities, and supported by alumni of the Institute for the Study of Islam and Arabic (LIPIA in Jakarta. While the precise number of Salafi pesantrens is unavailable, it is estimated that the number reaches 50 pesantrens. Salafi pesantrens not only teach their students about Salafism, but also accustom them to practice the Salafi manhaj (path in their daily life. The study focuses on three pesantrens: al-Nur al-Atsari in Ciamis, Assunah in Cirebon (both in West Java, and al-Furqan in Gresik, East Java. I analyse various aspects of these educational institutions: their historical development, community responses, educational programs, curriculum, methods of instruction, students’ lives and activities, networks and fundraising.

Evolving Distributed Generation Support Mechanisms: Case Studies from United States, Germany, United Kingdom, and Australia (Chinese translation)

Energy Technology Data Exchange (ETDEWEB)

Zhou, Shengru [National Renewable Energy Laboratory (NREL), Golden, CO (United States); Lowder, Travis R [National Renewable Energy Laboratory (NREL), Golden, CO (United States); Tian, Tian [National Renewable Energy Laboratory (NREL), Golden, CO (United States)

2017-09-07

This is the Chinese translation of NREL/TP-6A20-67613. This report expands on a previous National Renewable Energy Laboratory (NREL) technical report (Lowder et al. 2015) that focused on the United States' unique approach to distributed generation photovoltaics (DGPV) support policies and business models. While the focus of that report was largely historical (i.e., detailing the policies and market developments that led to the growth of DGPV in the United States), this report looks forward, narrating recent changes to laws and regulations as well as the ongoing dialogues over how to incorporate distributed generation (DG) resources onto the electric grid. This report also broadens the scope of Lowder et al. (2015) to include additional countries and technologies. DGPV and storage are the principal technologies under consideration (owing to market readiness and deployment volumes), but the report also contemplates any generation resource that is (1) on the customer side of the meter, (2) used to, at least partly, offset a host's energy consumption, and/or (3) potentially available to provide grid support (e.g., through peak shaving and load shifting, ancillary services, and other means).

/Cu-Al System

Science.gov (United States)

Kish, Orel; Froumin, Natalya; Aizenshtein, Michael; Frage, Nachum

2014-05-01

Wettability and interfacial interaction of the Ta2O5/Cu-Al system were studied. Pure Cu does not wet the Ta2O5 substrate, and improved spreading is achieved when relatively a high fraction of the active element (~40 at.% Al) was added. The Al2O3 and AlTaO4 phases were observed at the Ta2O5/Cu-Al interface. A thermodynamic evaluation allowed us to suggest that the lack of wetting bellow 40 at.% Al is due to the presence of a native oxide, which covers the drop. The conditions of the native oxide decomposition and the formation of the volatile Al2O suboxide strongly depend on the vacuum level during sessile drop experiments and the composition of the Cu-Al alloy. In our case, Al contents greater than 40% provides thermodynamic conditions for the formation of Al2O (as a result of Al reaction with Al2O3) and the drop spreading. It was suggested that the final contact angle in the Ta2O5/Cu-Al system (50°) is determined by Ta adsorption on the newly formed alumina interlayer.

Synthesis, physical properties and band structure of non-magnetic Y{sub 3}AlC

Energy Technology Data Exchange (ETDEWEB)

Ghule, S.S. [Bharati Vidyapeeth Deemed University College of Engineering, Pune-Satara Road, Pune 411043 (India); Garde, C.S., E-mail: gardecs@gmail.com [Vishwakarma Institute of Information Technology, S. no. 2/3/4, Kondhwa(Bk), Pune 411048 (India); Ramakrishnan, S. [Tata Institute of Fundamental Research, Navynagar, Mumbai 400005 (India); Singh, S. [Indian Institute of Science Education and Research, Dr Homi Bhabha Road, Pashan, Pune 411008 (India); Rajarajan, A.K. [Bhabha Atomic Research Centre, Trombay, Mumbai 400085 (India); Laad, Meena [Symbiosis Institute of Technology (SIT), Symbiosis International University (SIU), Lavale, Pune 412115 (India)

2016-10-01

Y{sub 3}AlC has been synthesized by arc melting and subsequent annealing. Rietveld analysis of the powder x-ray diffraction (XRD) data confirms cubic Pm-3m structure. Electrical resistivity (ρ) of Y{sub 3}AlC exhibits metallic behaviour. No sign of superconductivity is observed down to the lowest measurement temperatures of 4.2 K in ρ, and 2 K in magnetic susceptibility (χ) and specific heat (C{sub p}) measurements. The value of the electronic specific heat coefficient γ is 1.36 mJ/K{sup 2} mol from which the density of states (DOS) at the Fermi energy (E{sub F}) is obtained as 0.57 states/eV.unit cell. The value of Debye temperature θ{sub D} is estimated to be 315 K. Electronic band structure calculations of Y{sub 3}AlC reveal a pseudo-gap in the DOS at E{sub F} leading to a small value of 0.5 states/eV unit cell which matches quite well with that obtained from γ. Non-zero value of the DOS indicates metallic behaviour as confirmed by our ρ data. Covalent and ionic bonding seem to co-exist with metallic bonding in Y{sub 3}AlC as indicated by van Arkel- Ketelaar triangle for Zintl-like systems.

ALS Association

Science.gov (United States)

... toward a world without ALS! Walk to Defeat ALS® Walk to Defeat ALS® draws people of all ... We need your help. I Will Advocate National ALS Registry The National ALS Registry is a congressionally ...

AlN nanoparticle-reinforced nanocrystalline Al matrix composites: Fabrication and mechanical properties

International Nuclear Information System (INIS)

Liu, Y.Q.; Cong, H.T.; Wang, W.; Sun, C.H.; Cheng, H.M.

2009-01-01

To improve the specific strength and stiffness of Al-based composites, AlN/Al nanoparticles were in-situ synthesized by arc plasma evaporation of Al in nitrogen atmosphere and consolidated by hot-pressing to fabricate AlN nanoparticle-reinforced nanocrystalline Al composites (0-39 vol.% AlN). Microstructure characterization shows that AlN nanoparticles homogeneously distribute in the matrix of Al nanocrystalline, which forms atomically bonded interfaces of AlN/Al. The hardness and the elastic modulus of the nanocomposite have been improved dramatically, up to 3.48 GPa and 142 GPa, respectively. Such improvement is believed to result from the grain refinement strengthening and the interface strengthening (load transfer) between the Al matrix and AlN nanoparticles

United States streamflow probabilities based on forecasted La Nina, winter-spring 2000

Science.gov (United States)

Dettinger, M.D.; Cayan, D.R.; Redmond, K.T.

1999-01-01

Although for the last 5 months the TahitiDarwin Southern Oscillation Index (SOI) has hovered close to normal, the “equatorial” SOI has remained in the La Niña category and predictions are calling for La Niña conditions this winter. In view of these predictions of continuing La Niña and as a direct extension of previous studies of the relations between El NiñoSouthern Oscil-lation (ENSO) conditions and streamflow in the United States (e.g., Redmond and Koch, 1991; Cayan and Webb, 1992; Redmond and Cayan, 1994; Dettinger et al., 1998; Garen, 1998; Cayan et al., 1999; Dettinger et al., in press), the probabilities that United States streamflows from December 1999 through July 2000 will be in upper and lower thirds (terciles) of the historical records are estimated here. The processes that link ENSO to North American streamflow are discussed in detail in these diagnostics studies. Our justification for generating this forecast is threefold: (1) Cayan et al. (1999) recently have shown that ENSO influences on streamflow variations and extremes are proportionately larger than the corresponding precipitation teleconnections. (2) Redmond and Cayan (1994) and Dettinger et al. (in press) also have shown that the low-frequency evolution of ENSO conditions support long-lead correlations between ENSO and streamflow in many rivers of the conterminous United States. (3) In many rivers, significant (weeks-to-months) delays between precipitation and the release to streams of snowmelt or ground-water discharge can support even longer term forecasts of streamflow than is possible for precipitation. The relatively slow, orderly evolution of El Niño-Southern Oscillation episodes, the accentuated dependence of streamflow upon ENSO, and the long lags between precipitation and flow encourage us to provide the following analysis as a simple prediction of this year’s river flows.

ALD TiO2 thin film as dielectric for Al/p-Si Schottky diode

Indian Academy of Sciences (India)

Abstract. Electrical analysis of Al/p-Si Schottky diode with titanium dioxide (TiO2) thin film was performed at ..... This work was partially supported by The Management Unit of Scientific Research Project of Bozok University and Hitit. University.

Comparison of one and two-neutron transfer near the Coulomb barrier for the 27Al(18O, 16O)29Al, 27Al(18O, 17O)28Al and 27Al(13C, 12C)28Al reactions

International Nuclear Information System (INIS)

Schiller, S.A.; Eck, J.S.

1975-01-01

Total reaction cross sections for the transfer reactions 27 Al( 18 O, 16 O) 29 Al, 27 Al( 18 O, 17 O) 28 Al and 27 Al( 13 C, 12 C) 28 Al are reported for center-of-mass energies between 13 and 20 MeV for 18 O projectiles and between 11 and 17.5 MeV for 13 C projectiles. The reaction products, 29 Al, and 28 Al, beta decay to 29 Si and 28 Si, respectively, and the subsequent γ decays of 29 Si and 28 Si were measured. Due to the relatively long beta decay half lives, data were taken in a beam-off mode, resulting in very clean spectra. Total cross sections were calculated and compared with a theoretical model for barrier penetration proposed by C.Y. Wong. Differences between 18 O induced one and two-neutron total transfer reaction cross sections are discussed. (orig.) [de

Al Qaeda and the Arab Spring -- An Ideological Assessment

Science.gov (United States)

2012-12-01

Al Qaeda and its franchises are important to the United States and its military leaders. After the Sept. 11 attacks on the World Trade Center and...With Tunisians facing a rising inflation and high unemployment , the conspicuous displays of wealth and persistent rumours of corruption have added...Tunisians between the ages of 15 and 29 experience an unemployment rate of 30%.27 There are simply not enough jobs or wealth to support the population

Al-matrix composite materials reinforced by Al-Cu-Fe particles

International Nuclear Information System (INIS)

Bonneville, J; Laplanche, G; Joulain, A; Gauthier-Brunet, V; Dubois, S

2010-01-01

Al-matrix material composites were produced using hot isostatic pressing technique, starting with pure Al and icosahedral (i) Al-Cu-Fe powders. Depending on the processing temperature, the final reinforcement particles are either still of the initial i-phase or transformed into the tetragonal ω-Al0 0.70 Cu 0.20 Fe 0.10 crystalline phase. Compression tests performed in the temperature range 293K - 823K on the two types of composite, i.e. Al/i and Al/ω, indicate that the flow stress of both composites is strongly temperature dependent and exhibit distinct regimes with increasing temperature. Differences exist between the two composites, in particular in yield stress values. In the low temperature regime (T ≤ 570K), the yield stress of the Al/ω composite is nearly 75% higher than that of the Al/i composite, while for T > 570K both composites exhibit similar yield stress values. The results are interpreted in terms of load transfer contribution between the matrix and the reinforcement particles and elementary dislocation mechanisms in the Al matrix.

Piezo-tunnel effect in Al/Al2O3/Al junctions elaborated by atomic layer deposition

Science.gov (United States)

Rafael, R.; Puyoo, E.; Malhaire, C.

2017-11-01

In this work, the electrical transport in Al/Al2O3/Al junctions under mechanical stress is investigated in the perspective to use them as strain sensors. The metal/insulator/metal junctions are elaborated with a low temperature process (≤200 °C) fully compatible with CMOS back-end-of-line. The conduction mechanism in the structure is found to be Fowler-Nordheim tunneling, and efforts are made to extract the relevant physical parameters. Gauge factors up to -32.5 were found in the fabricated devices under tensile stress. Finally, theoretical mechanical considerations give strong evidence that strain sensitivity in Al/Al2O3/Al structures originates not only from geometrical deformations but also from the variation of interface barrier height and/or effective electronic mass in the tunneling oxide layer.

Thermal expansion and lattice parameters of shaped metal deposited Ti-6Al-4V

Energy Technology Data Exchange (ETDEWEB)

Swarnakar, Akhilesh Kumar; Van der Biest, Omer [Katholieke Universiteit Leuven, MTM, Kasteelpark Arenberg 44, 3001 Leuven (Belgium); Baufeld, Bernd, E-mail: b.baufeld@sheffield.ac.uk [Katholieke Universiteit Leuven, MTM, Kasteelpark Arenberg 44, 3001 Leuven (Belgium)

2011-02-10

Research highlights: > Measurement of thermal expansion and of the lattice parameters of Ti-6Al-4V fabricated by shaped metal deposition up to 1100 {sup o}C. > The observation of alpha to beta transformation not reflected in the expansion but in the contraction curve is explained by non-equilibrium alpha phase of the SMD material. > Denuding of the {alpha} phase and enrichment of the {beta} phase of Vanadium due to high temperature experiments. > The unit cell volumes derived from lattice parameters measured by X-ray diffraction are at room temperature larger for the {alpha} than for the {beta} phase. With increasing temperature the unit cell volume of the {beta} phase increases stronger than the one of the {alpha} phase resulting in a similar unit cell volume at the {beta} transus temperature. - Abstract: Thermal expansion and lattice parameters are investigated up to 1100 deg. C for Ti-6Al-4V components, fabricated by shaped metal deposition. This is a novel additive layer manufacturing technique where near net-shape components are built by tungsten inert gas welding. The as-fabricated SMD Ti-6Al-4V components exhibit a constant coefficient of thermal expansion of 1.17 x 10{sup -5} K{sup -1} during heating up to 1100 {sup o}C, not reflecting the {alpha} to {beta} phase transformation. During cooling a stalling of the contraction is observed starting at the {beta} transus temperature. These high temperature experiments denude the {alpha} phase of V and enrich the {beta} phase. The development of the lattice parameters in dependence on temperature are observed with high temperature X-ray diffraction. The unit cell volumes derived from these parameters are at room temperature larger for the {alpha} than for the {beta} phase. With increasing temperature the unit cell volume of the {beta} phase increases stronger than the one of the {alpha} phase resulting in a similar unit cell volume at the {beta} transus temperature. These observations are interpreted as an

Generation and evolution of nanoscale AlP and Al{sub 13}Fe{sub 4} particles in Al-Fe-P system

Energy Technology Data Exchange (ETDEWEB)

Qiao, Huan; Gao, Tong; Zhu, Xiangzhen; Wu, Yuying; Qian, Zhao; Liu, Xiangfa, E-mail: xfliu@sdu.edu.cn

2015-02-15

Highlights: • Diffusion and gradual solid reactions between Al and Fe{sub x}P phases in Al-Fe-P alloy were investigated. • Nanoscale AlP clusters are in-situ generated and evolve during the whole process. • This novel Al-Fe-P alloy has an excellent low-temperature refining performance on hypereutectic Al-Si alloy. - Abstract: In this paper, the gradual solid reactions between Al and Fe{sub x}P phases in Al-Fe-P alloy were investigated. The results show that the whole reaction process undergoes four main stages: the diffusion of Al atom, the generation of (Al, Fe, P) intermediate compound, the precipitation of nano AlP and Al{sub 13}Fe{sub 4} clusters and their growth to submicron particles. The microstructure of Fe-P particles evolves from the “egg-type”, the “sponge-type” to the “sesame-cake” structure. AlP and Al{sub 13}Fe{sub 4} nano phases have in-situ generated and evolved during the whole process. The gradual reaction mechanism has been discussed. Furthermore, a novel Al-Fe-P alloy which contains (Al, Fe, P) intermediate compounds and nano AlP particles has been synthesized and its low-temperature refining performance on A390 alloy has also been investigated.

Uslûb al-Hiwâr al-Qur’âni bayna al-Muslimîn wa al-Nasâra ‘inda Badî’uzzamân Sa’îd al-Nursi

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Sujiat Zubaidi Saleh

2014-11-01

Full Text Available In order to solve some issues, the scholars’ dialogue often generates new ideas as it works to clarify the values of al-Qur’an and to enrich their understanding about it. Therefore, Nursi pointed to unite at present not only with the Muslim community and even with Christians, aside from the differences and disputes over union issues. It is possible to do so when the Muslims and the Christians refrain from their controversies among them. Nursi’s idea does not mean that he does not recognize any differences between them. There are some significant differences between the Christian and the Muslim faith, but those differences should not prevent them from the most important goal to provide new humanitarian look for human life, where God is the axis and the divine will for the moral values of this point. Nursi believes that the current religious relationship marred by erroneous thought as the result of post-modernism worldview. In fact, al-Qur’an recommended a mutual awareness of the communities that shapes them to gain a common goal in God witnesses as the divine values of this modern civilization in opposition to “clash of civilizations”, but this task needs some efforts to discuss on Quranic Dialogue. This dialogue could be undertaken well, as long as it sets out with full love and affection rather than with the fierce conflict and distress. Thus, Nursi introduced new ideas into interfaith dialogue between Muslims and Christians, to build a true civilization based on mutual relations of love.

Japanese version of the ALS-FTD-Questionnaire (ALS-FTD-Q-J).

Science.gov (United States)

Watanabe, Yasuhiro; Beeldman, Emma; Raaphorst, Joost; Izumi, Yuishin; Yoshino, Hiide; Masuda, Michihito; Atsuta, Naoki; Ito, Satoru; Adachi, Tadashi; Adachi, Yoshiki; Yokota, Osamu; Oda, Masaya; Hanashima, Ritsuko; Ogino, Mieko; Ichikawa, Hiroo; Hasegawa, Kazuko; Kimura, Hideki; Shimizu, Toshio; Aiba, Ikuko; Yabe, Hayato; Kanba, Makoto; Kusumi, Kimiyoshi; Aoki, Tetsuya; Hiroe, Yu; Watanabe, Hirohisa; Nishiyama, Kazutoshi; Nomoto, Masahiro; Sobue, Gen; Nakashima, Kenji

2016-08-15

Amyotrophic lateral sclerosis (ALS) and frontotemporal dementia (FTD) share common clinical, genetic and neuropathological features. Some ALS patients have behavioral/personality changes, which could result in significant obstacles in the care provided by family members and caregivers. An easy screening tool would contribute greatly to the evaluation of these symptoms. We translated the ALS-FTD-Questionnaire, developed in the Netherlands, into Japanese (ALS-FTD-Q-J) and examined the clinimetric properties (internal consistency, construct and clinical validity). Patients with ALS and/or behavioral variant FTD (bvFTD) were evaluated alongside healthy controls in this multicenter study. All ALS patients, regardless of bvFTD status, were further evaluated by the frontal behavioral inventory (FBI) and for frontal/executive function, cognition, anxiety/depression, and motor functions. Data from 146 subjects were analyzed: ALS (92), ALS-bvFTD (6), bvFTD (16), and healthy controls (32). The internal consistency of the ALS-FTD-Q-J was good (Cronbach α=0.92). The ALS-FTD-Q-J showed construct validity as it exhibited a high correlation with the FBI (r=0.79). However, correlations were moderate with anxiety/depression and low with cognitive scales, in contrast to the original report, i.e. a moderate correlation with cognition and a low correlation with anxiety/depression. The ALS-FTD-Q-J discriminated ALS patients from (ALS-)bvFTD patients and controls. Thus, the ALS-FTD-Q-J is useful for evaluating Japanese ALS/FTD patients. Copyright © 2016 Elsevier B.V. All rights reserved.

Radiation detection with Nb/Al-AlOx/Al/Nb superconducting tunnel junctions

International Nuclear Information System (INIS)

Matsumura, Atsuki; Takahashi, Toru; Kurakado, Masahiko

1992-01-01

Superconductor radiation detectors have the possibility of 20-30 times better energy resolution than that of a high resolution Si detector. We fabricated Nb/Al-AlOx/Al/Nb superconducting tunnel junctions with low leakage current. X rays were detected with large area junctions of 178x178 μm 2 . High energy resolution of 160 eV for 5.9 keV was obtained. We also fabricated series connected junctions which covers a rather large area of 4x4 mm 2 . α particles injected into the rear substrate were detected using nonthermal phonons induced by the radiations in the substrate. (author)

Reduction Mechanisms of Cu2+-Doped Na2O-Al2O3-SiO2 Glasses during Heating in H2 Gas.

Science.gov (United States)

Nogami, Masayuki; Quang, Vu Xuan; Ohki, Shinobu; Deguchi, Kenzo; Shimizu, Tadashi

2018-01-25

Controlling valence state of metal ions that are doped in materials has been widely applied for turning optical properties. Even though hydrogen has been proven effective to reduce metal ions because of its strong reducing capability, few comprehensive studies focus on practical applications because of the low diffusion rate of hydrogen in solids and the limited reaction near sample surfaces. Here, we investigated the reactions of hydrogen with Cu 2+ -doped Na 2 O-Al 2 O 3 -SiO 2 glass and found that a completely different reduction from results reported so far occurs, which is dominated by the Al/Na concentration ratio. For Al/Na glass body. For Al/Na > 1, on the other hand, the reduction of Cu 2+ ions occurred simultaneously with the formation of OH bonds, whereas the reduced Cu metal moved outward and formed a metallic film on glass surface. The NMR and Fourier transform infrared results indicated that the Cu 2+ ions were surrounded by Al 3+ ions that formed AlO 4 , distorted AlO 4 , and AlO 5 units. The diffused H 2 gas reacted with the Al-O - ···Cu + units, forming Al-OH and metallic Cu, the latter of which moved freely toward glass surface and in return enhanced H 2 diffusion.

Density functional theory and evolution algorithm calculations of elastic properties of AlON

Energy Technology Data Exchange (ETDEWEB)

Batyrev, I. G.; Taylor, D. E.; Gazonas, G. A.; McCauley, J. W. [U.S. Army Research Laboratory, Aberdeen Proving Ground, Maryland 21005 (United States)

2014-01-14

Different models for aluminum oxynitride (AlON) were calculated using density functional theory and optimized using an evolutionary algorithm. Evolutionary algorithm and density functional theory (DFT) calculations starting from several models of AlON with different Al or O vacancy locations and different positions for the N atoms relative to the vacancy were carried out. The results show that the constant anion model [McCauley et al., J. Eur. Ceram. Soc. 29(2), 223 (2009)] with a random distribution of N atoms not adjacent to the Al vacancy has the lowest energy configuration. The lowest energy structure is in a reasonable agreement with experimental X-ray diffraction spectra. The optimized structure of a 55 atom unit cell was used to construct 220 and 440 atom models for simulation cells using DFT with a Gaussian basis set. Cubic elastic constant predictions were found to approach the experimentally determined AlON single crystal elastic constants as the model size increased from 55 to 440 atoms. The pressure dependence of the elastic constants found from simulated stress-strain relations were in overall agreement with experimental measurements of polycrystalline and single crystal AlON. Calculated IR intensity and Raman spectra are compared with available experimental data.

ALS-Plus Syndrome: Non-Pyramidal Features in a Large ALS Cohort

Science.gov (United States)

McCluskey, Leo; Vandriel, Shannon; Elman, Lauren; Van Deerlin, Vivianna M.; Powers, John; Boller, Ashley; Wood, Elisabeth McCarty; Woo, John; McMillan, Corey T.; Rascovsky, Katya; Grossman, Murray

2014-01-01

Objective Autopsy studies show widespread pathology in amyotrophic lateral sclerosis (ALS), but clinical surveys of multisystem disease in ALS are rare. We investigated ALS-Plus syndrome, an understudied group of patients with clinical features extending beyond pyramidal and neuromuscular systems with or without cognitive/behavioral deficits. Methods In a large, consecutively-ascertained cohort of 550 patients with ALS, we documented atypical clinical manifestations. Genetic screening for C9orf72 hexanucleotide expansions was performed in 343 patients, and SOD1, TARDBP, and VCP were tested in the subgroup of patients with a family history of ALS. Gray matter and white matter imaging was available in a subgroup of 30 patients. Results Seventy-five (13.6%) patients were identified with ALS-Plus syndrome. We found disorders of ocular motility, cerebellar, extrapyramidal and autonomic functioning. Relative to those without ALS-Plus, cognitive impairment (8.0% vs 2.9%, p=0.029), bulbar-onset (49.3% vs 23.2%, pALS-Plus. Survival was significantly shorter in ALS-Plus (29.66 months vs 42.50 months, p=0.02), regardless of bulbar-onset or mutation status. Imaging revealed significantly greater cerebellar and cerebral disease in ALS-Plus compared to those without ALS-Plus. Conclusions ALS-Plus syndrome is not uncommon, and the presence of these atypical features is consistent with neuropathological observations that ALS is a multisystem disorder. ALS-Plus syndrome is associated with increased risk for poor survival and the presence of a pathogenic mutation. PMID:25086858

Islamic Spirituality Movement and Its Implications on Social and Political Ethics in Indonesia

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DALMERI

2016-06-01

Full Text Available In the nineteenth century, Islamic religious movements fell into three groups: First, those advocating salvation through revivalism as exemplified by Wahhabism; Second, salvation through the prophecy of divinely-sent leader (or guide as seen in the case of Mahdism; and third, salvation through ecstasy and loss of self-volition, such as in the Sufi Shaykh (charismatic leader, characteristic of the tariqa revival. This article explains about the attitudes of reformers towards Sufism varied from the hostility of Muhammad ibn ‘Abd al-Wahhab who was against bid‘a; the ‘Salafi’ movement, i.e Muhammad ‘Abduh and Rashid Rida, who were against Sufism but tolerated the ethical teachings of al-Ghazali; and Mustafa Kemal in Turkey who banned Sufi orders outright in 1925. In recent Indonesia milieu, some prominent figures have shown their interest in Sufism, but certain Muslim organizations or institutions to some extent are against it such as Hizbut Tahrir Indonesia, Sabili Magazine, Salafy Journal, Muhammadiyyah, and Persatuan Islam.

Origin of quantum criticality in Yb-Al-Au approximant crystal and quasicrystal

International Nuclear Information System (INIS)

Watanabe, Shinji; Miyake, Kazumasa

2016-01-01

To get insight into the mechanism of emergence of unconventional quantum criticality observed in quasicrystal Yb 15 Al 34 Au 51 , the approximant crystal Yb 14 Al 35 Au 51 is analyzed theoretically. By constructing a minimal model for the approximant crystal, the heavy quasiparticle band is shown to emerge near the Fermi level because of strong correlation of 4f electrons at Yb. We find that charge-transfer mode between 4f electron at Yb on the 3rd shell and 3p electron at Al on the 4th shell in Tsai-type cluster is considerably enhanced with almost flat momentum dependence. The mode-coupling theory shows that magnetic as well as valence susceptibility exhibits χ ∼ T -0.5 for zero-field limit and is expressed as a single scaling function of the ratio of temperature to magnetic field T/B over four decades even in the approximant crystal when some condition is satisfied by varying parameters, e.g., by applying pressure. The key origin is clarified to be due to strong locality of the critical Yb-valence fluctuation and small Brillouin zone reflecting the large unit cell, giving rise to the extremely-small characteristic energy scale. This also gives a natural explanation for the quantum criticality in the quasicrystal corresponding to the infinite limit of the unit-cell size. (author)

Al atom on MoO3(010) surface: adsorption and penetration using density functional theory.

Science.gov (United States)

Wu, Hong-Zhang; Bandaru, Sateesh; Wang, Da; Liu, Jin; Lau, Woon Ming; Wang, Zhenling; Li, Li-Li

2016-03-14

Interfacial issues, such as the interfacial structure and the interdiffusion of atoms at the interface, are fundamental to the understanding of the ignition and reaction mechanisms of nanothermites. This study employs first-principle density functional theory to model Al/MoO3 by placing an Al adatom onto a unit cell of a MoO3(010) slab, and to probe the initiation of interfacial interactions of Al/MoO3 nanothermite by tracking the adsorption and subsurface-penetration of the Al adatom. The calculations show that the Al adatom can spontaneously go through the topmost atomic plane (TAP) of MoO3(010) and reach the 4-fold hollow adsorption-site located below the TAP, with this subsurface adsorption configuration being the most preferred one among all plausible adsorption configurations. Two other plausible configurations place the Al adatom at two bridge sites located above the TAP of MoO3(010) but the Al adatom can easily penetrate below this TAP to a relatively more stable adsorption configuration, with a small energy barrier of merely 0.2 eV. The evidence of subsurface penetration of Al implies that Al/MoO3 likely has an interface with intermixing of Al, Mo and O atoms. These results provide new insights on the interfacial interactions of Al/MoO3 and the ignition/combustion mechanisms of Al/MoO3 nanothermites.

The influence of thermal treatment on the phase development in HfO2-Al2O3 and ZrO2-Al2O3 systems

International Nuclear Information System (INIS)

Stefanic, G.; Music, S.; Trojko, R.

2005-01-01

Amorphous precursors of HfO 2 -AlO 1.5 and ZrO 2 -AlO 1.5 systems covering the whole concentration range were co-precipitated from aqueous solutions of the corresponding salts. The thermal behaviour of the amorphous precursors was examined by differential thermal analysis, X-ray powder diffraction (XRD), laser Raman spectroscopy and scanning electron microscopy. The crystallization temperature of both systems increased with increase in the AlO 1.5 content, from 530 to 940 deg. C in the HfO 2 -AlO 1.5 system, and from 405 to 915 deg. C in the ZrO 2 -AlO 1.5 system. The results of phase analysis indicate an extended capability for the incorporation of Al 3+ ions in the metastable HfO 2 - and ZrO 2 -type solid solutions obtained after crystallization of amorphous co-gels. Precise determination of lattice parameters, performed using whole-powder-pattern decomposition method, showed that the axial ratio c f /a f in the ZrO 2 - and HfO 2 -type solid solutions with 10 mol% or more of Al 3+ approach 1. The tetragonal symmetry of these samples, as determined by laser Raman spectroscopy, was attributed to the displacement of the oxygen sublattice from the ideal fluorite positions. It was found that the lattice parameters of the ZrO 2 -type solid solutions decreased with increasing Al 3+ content up to ∼10 mol%, whereas above 10 mol%, further increase of the Al 3+ content has very small influence on the unit-cell volume of both HfO 2 - and ZrO 2 -type solid solutions. The reason for such behaviour was discussed. The solubility of Hf 4+ and Zr 4+ ions in the aluminium oxides lattice appeared to be negligible

Tailoring ultrafine grained and dispersion-strengthened Ti 2 AlC/TiAl ...

Indian Academy of Sciences (India)

In situ Ti 2 AlC/TiAl composite was fabricated by hot-pressing method via the reaction system of Ti 3 AlC 2 and Ti-Al pre-alloyed powders at low temperature of 1150 ∘ C. The composite mainly consisted of TiAl, Ti 3 Al and Ti 2 AlC phases. Fine Ti 2 AlC particles were homogeneously distributed and dispersed in the matrix.

Synthesis and Characterization of the Quaternary Thio-aluminogermanates A(AlS2)(GeS2) (A = Na, K)

KAUST Repository

Al-Bloushi, Mohammed

2015-05-27

The quaternary thioaluminogermanates Na(AlS2)(GeS2) (1) and K(AlS2)(GeS2) (2) crystallize in the tetragonal space group I4/mcm (no. 140) with unit cell parameters a = 7.4274(11) Å, c = 5.8560(12) Å for Na(AlS2)(GeS2) and a = 7.8826(2) Å, c = 5.8642(4) Å for K(AlS2)(GeS2). The crystal structure comprises of one-dimensional [(AlS2)(GeS2)]- anionic chains with Al and Ge sharing the tetrahedral site. The alkali metal cations fill the square antiprismatic voids between chains. Both 1 and 2 are semiconductors with bandgap of around 3.6 eV and 3.5 eV, respectively. © 2015 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

Assessing behavioural changes in ALS: cross-validation of ALS-specific measures.

Science.gov (United States)

Pinto-Grau, Marta; Costello, Emmet; O'Connor, Sarah; Elamin, Marwa; Burke, Tom; Heverin, Mark; Pender, Niall; Hardiman, Orla

2017-07-01

The Beaumont Behavioural Inventory (BBI) is a behavioural proxy report for the assessment of behavioural changes in ALS. This tool has been validated against the FrSBe, a non-ALS-specific behavioural assessment, and further comparison of the BBI against a disease-specific tool was considered. This study cross-validates the BBI against the ALS-FTD-Q. Sixty ALS patients, 8% also meeting criteria for FTD, were recruited. All patients were evaluated using the BBI and the ALS-FTD-Q, completed by a carer. Correlational analysis was performed to assess construct validity. Precision, sensitivity, specificity, and overall accuracy of the BBI when compared to the ALS-FTD-Q, were obtained. The mean score of the whole sample on the BBI was 11.45 ± 13.06. ALS-FTD patients scored significantly higher than non-demented ALS patients (31.6 ± 14.64, 9.62 ± 11.38; p ALS-FTD-Q was observed (r = 0.807, p ALS-FTD-Q. Good construct validity has been further confirmed when the BBI is compared to an ALS-specific tool. Furthermore, the BBI is a more comprehensive behavioural assessment for ALS, as it measures the whole behavioural spectrum in this condition.

Plastic deformation of Al13Fe4 particles in Al-Al13Fe4 by high-speed compression

International Nuclear Information System (INIS)

Yoneyama, N.; Mizoguchi, K.; Kumai, S.; Sato, A.; Kiritani, M.

2003-01-01

Spray-formed Al-Fe alloys having undergone high-speed deformation were examined under a high-voltage electron microscope. Two types of specimens were examined; one containing fine Al 13 Fe 4 particles, and the other containing large particles. In the former specimen, deformation is found to proceed in three patterns, depending on specimen thickness and strain rate: (1) without deformation of the Al 13 Fe 4 ; (2) breaking of the Al 13 Fe 4 ; or (3) melting of the Al 13 Fe 4 . Local melting is found to alter some of the Al 13 Fe 4 particles, to impart five-fold symmetry in diffraction or an amorphous structure. In the latter specimen, introduction of glide dislocations enabled us to determine a shear system in the mc102 monoclinic c2/m crystal of Al 13 Fe 4 . On the bases of these observations, the mechanism of high-speed deformation is discussed while taking into account the highly stressed and/or heated states of Al 13 Fe 4 embedded in Al matrix

Structure investigation of fluorinated aluminophosphate ULM-3 Al templated by 3-methylaminopropylamine

Science.gov (United States)

Zabukovec Logar, Natasa; Mali, Gregor; Rajic, Nevenka; Jevtic, Sanja; Rangus, Mojca; Golobic, Amalija; Kaucic, Venceslav

2010-05-01

A single-crystal X-ray diffraction analysis of an open-framework aluminophosphate ULM-3 Al prepared by 3-methylaminopropylamine (MAPA) as structure-directing agent revealed an orthorhombic Pcab symmetry ( a=9.9949(4) Å, b=15.8229(7) Å, c=18.1963(5) Å, R=0.0648, Z=8, unit cell formula [Al 24P 24O 96F 16·C 32H 112N 16]), which differs from the Pbc2 1 symmetry of the structural analogue prepared in the presence of 1,4-diaminobutane. The 27Al, 31P, 19F, 13C and 1H NMR investigations, which were performed to study in detail MAPA arrangement inside the framework as well as the interactions of MAPA with the aluminophosphate host, confirmed the crystal symmetry and the proposed hydrogen bonding scheme between the template and the framework.

Synthesis and characterization of pillared bentonite with Al, AL/Fe and impregnated with Pd; Sintese e caracterizacao de bentonitas pilarizadas com Al, AL/Fe e impregnadas com Pd

Energy Technology Data Exchange (ETDEWEB)

Silva, Marcus Vinicius Costa; Pizarro, Alejandro Herrero; Molina, Carmen Belen, E-mail: marcus.ufpa@yahoo.com.br [Universidade Federal do Para (UFPA), Belem, PA (Brazil). Instituto de Tecnologia. Faculdade de Engenharia Quimica; Seccion de Ingenieria Quimica, Facultad de Ciencias, Universidad Autonoma de Madri (Spain)

2017-10-01

In this work, a north american bentonite was pillared with Al and Al/Fe, creating the Al-PILC and Al-Fe-PILC, respectively. Then the Pd was impregnated in the materials, generating Pd-Al-PILC and Pd-Al-Fe-PILC, respectively. The samples were characterized by X-ray diffraction, differential thermal analysis and thermogravimetric and N{sub 2} adsorption at 77 K to determine the specific surface area by BET method (Brunauer - Emmett - Teller). There was an increase in the basal spacing of bentonite from 12.4Å in the original sample to 17.81Å in the Al-Fe-PILC, 17.20Å in Pd-Al-PILC and 17.05Å in the Pd-Al-Fe-PILC. The specific surface area increased from 19.05m{sup 2}/g in the original sample to 173.49m{sup 2}/g in Al-Fe-PILC, 101.31m{sup 2}/g to Pd-Al-PILC and 92m{sup 2}/g in Pd-Al-Fe-PILC. The pillaring process was successful and the synthesized materials have great potential for use as catalysts. (author)

Crystal structure and stability of LiAlD{sub 4} with TiF{sub 3} additive

Energy Technology Data Exchange (ETDEWEB)

Brinks, H.W. [Department of Physics, Institute for Energy Technology, P.O. Box 40, Kjeller NO-2027 (Norway)]. E-mail: hwbrinks@ife.no; Fossdal, A. [Department of Physics, Institute for Energy Technology, P.O. Box 40, Kjeller NO-2027 (Norway); Fonnelop, J.E. [Department of Physics, Institute for Energy Technology, P.O. Box 40, Kjeller NO-2027 (Norway); Hauback, B.C. [Department of Physics, Institute for Energy Technology, P.O. Box 40, Kjeller NO-2027 (Norway)

2005-07-19

LiAlD{sub 4} samples with TiF{sub 3} additives have been investigated by synchrotron X-ray diffraction, neutron diffraction and a Sieverts-type apparatus. Directly after ball milling there are no signs of any Ti-containing phases, and the unit-cell of LiAlD{sub 4} and Al give no indication of any solid solutions. Hence it is concluded that the Ti is in an amorphous state directly after ball milling. Furthermore, no LiF was observed in the samples. Based on Sieverts-type measurements the plateau pressure at 80 deg C has been proved to be higher than 85 bar. Samples stored in a glove box are slowly desorbed, and after 6 months for a LiAlD{sub 4} + TiF{sub 3} sample, the reaction to LiD + Al is nearly finished.

Electrodeposition of Al from a 1-butylpyrrolidine-AlCl3 ionic liquid

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