Mohammad tehrani (24 Ergebnisse)

Paperback. Zustand: New. Mixed-matrix membranes are identified as a new type of membranes being more efficient due to the inorganic particles in their structure. In industry they can be a good substitute for old methods which consume a lot of energy. Thus, the present research scrutinizes different filling particles used in this group of membranes, applications, shortcomings and the challenges of producing these types of membranes. This book explains the key parameters in the fabrication methods through blending of polymeric and non-polymeric materials containing different components in their chemical structures. It is a complete overview of all relevant and similar references in the field of membrane technology in oil, gas and petrochemicals, by considering standards and the way of performing separation techniques and implementing projects.…

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Paperback. Zustand: New. Mixed-matrix membranes are identified as a new type of membranes being more efficient due to the inorganic particles in their structure. In industry they can be a good substitute for old methods which consume a lot of energy. Thus, the present research scrutinizes different filling particles used in this group of membranes, applications, shortcomings and the challenges of producing these types of membranes. This book explains the key parameters in the fabrication methods through blending of polymeric and non-polymeric materials containing different components in their chemical structures. It is a complete overview of all relevant and similar references in the field of membrane technology in oil, gas and petrochemicals, by considering standards and the way of performing separation techniques and implementing projects.…

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Hardback. Zustand: New. The method of using the moduli space of pseudo-holomorphic curves on a symplectic manifold was introduced by Mikhail Gromov in 1985. From the appearance of Gromov's original paper until today this approach has been the most important tool in global symplectic geometry. To produce numerical invariants of these manifolds using this method requires constructing a fundamental cycle associated with moduli spaces.This volume brings together three approaches to constructing the ``virtual'' fundamental cycle for the moduli space of pseudo-holomorphic curves. All approaches are based on the idea of local Kuranishi charts for the moduli space. Workers in the field will get a comprehensive understanding of the details of these constructions and the assumptions under which they can be made. These techniques and results will be essential in further applications of this approach to producing invariants of symplectic manifolds.This book is published in cooperation with Simons Center for Geometry and Physics.…

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Zustand: New. Brings together three approaches to constructing the virtual fundamental cycle for the moduli space of pseudo-holomorphic curves. All approaches are based on the idea of local Kuranishi charts for the moduli space. The book offers a comprehensive understa.

Zustand: New. In English.

Hardback. Zustand: New. The method of using the moduli space of pseudo-holomorphic curves on a symplectic manifold was introduced by Mikhail Gromov in 1985. From the appearance of Gromov's original paper until today this approach has been the most important tool in global symplectic geometry. To produce numerical invariants of these manifolds using this method requires constructing a fundamental cycle associated with moduli spaces.This volume brings together three approaches to constructing the ``virtual'' fundamental cycle for the moduli space of pseudo-holomorphic curves. All approaches are based on the idea of local Kuranishi charts for the moduli space. Workers in the field will get a comprehensive understanding of the details of these constructions and the assumptions under which they can be made. These techniques and results will be essential in further applications of this approach to producing invariants of symplectic manifolds.This book is published in cooperation with Simons Center for Geometry and Physics.…

Taschenbuch. Zustand: Neu. Pseudo Random Arterial Modulation (PRAM) | Novel MRI Approach to Measure Blood Flow and Transit Times | Mohammad Reza Taei-Tehrani | Taschenbuch | 108 S. | Englisch | 2012 | LAP LAMBERT Academic Publishing | EAN 9783659146770 | Verantwortliche Person für die EU: preigu GmbH & Co. KG, Lengericher Landstr. 19, 49078 Osnabrück, mail[at]preigu[dot]de | Anbieter: preigu.…

Leather. Zustand: New. Original full crown leather bdg. Large roy. 8vo. (25 x 17 cm). In Arabic. 6 volumes set: ([63], 3555 p.). Tabaqât-e a'lâm al-Shî'a. Nuqabâ' al-Bashar fî al-Qarn al-Râbi' 'Ashar. 6 volumes set. Edited by Sayyid Muhammad Tabatabyi Behbahani. Tehrani was born on 11 Rabīʿa I 1293/6 April 1876, into a mercantile family of Tehran that had strong religious interests; his father, Ḥâjj 'Alī, participated actively in the celebrated tobacco boycott of 1308/1891 and later wrote a book on the history of the movement. Āqā Bozorg received his initial education from private tutors in Tehran before proceeding to the ʿatabāt in 1315/1897. (1313/1895 in Rāhnemā-ye ketāb, p. 525), where he spent the rest of his life, with the exception of four brief return visits to Iran and two short journeys to Syria, Egypt, and the Ḥeǰāz. Among his teachers in Naǰaf were Āḵūnd Mollā Moḥammad-Kāẓem Ḵorāsānī, Sayyed Moḥammad-Kāẓem Yazdī, Šayḵ-al-šarīʿa Eṣfahānī and Ḥāǰǰī Mīrzā Ḥosayn Nūrī. He was particularly close to the first of these, working as his amanuensis and assisting in the composition of his major work on feqh, al-Kefāya. On the death of Ḵorāsānī in 1329/1911, he left Naǰaf for Sāmarrā to join the circle of Mīrzā Moḥammad-Taqī Šīrāzī. He stayed there until 1354/1935, returning then to Naǰaf which remained his home until his death. While in Sāmarrā, he conceived, and began to execute, the plan of a comprehensive bibliographical survey of all classes of literature produced by Shiʿite authors. His original intention was to refute a statement by the Christian Arab litterateur, Jorǰī Zaydān, belittling the Shiʿite contribution to Arabic letters. However, the survey that Āqā Bozorg produced, al-Ḏarīʿa elā taṣānīf al-šīʿa, went far beyond this polemical purpose to become the main achievement of his career and a major contribution to Islamic scholarship. In al-Ḏarīʿa, the titles of all books written by Shiʿite authors are listed alphabetically, together with a brief indication of authorship and content, as well as place and date of publication in the case of printed works, and location in the case of manuscripts. Āqā Bozorg returned to Naǰaf in 1354/1935 and established a press (Maṭbaʿat al-saʿāda) to print the first volume of al-Ḏarīʿa, but was soon obliged to sell it (see Rāhnemā-ye ketāb, p. 526). Other arrangements were then made for the printing in Naǰaf of the second and third volumes, but all subsequent volumes—with the exception of the thirteenth and fourteenth—were published in Tehran. Twenty-two volumes have appeared to date; seven more await publication (For full bibliographical details concerning al-Ḏarīʿa, see Ḥakīmī, pp. 543-45). Āqā Bozorg also compiled a biographical dictionary of Shiʿite scholars as a companion to al-Ḏarīʿa. The dictionary has the general title Ṭabaqāt aʿlām al-šīʿa, but each section, pertaining to the scholars of a given century, also has a separate title. Three sections have been published so far: Nawābeḡ al-rowwāt fī rābeʿat al-meʾāt (Beirut, 1390/1970), dealing with Shiʿite traditionists of the 4th Islamic century; al-Kerām al-mobarrara fi'l-qarn al-ṯāleṯ baʿd al-ʿašara (Naǰaf, 1374-77/1954-57), on scholars of the 13th century; and Noqabāʾ al-bašar fi'l-qarn al-rābeʿ ʿašar (Naǰaf, 1373-88/1953-68), on scholars of the 14th century (Ḥakīmī, pp. 549-51). In addition to these multi-volume works, Āqā Bozorg wrote a number of less voluminous books, including a survey of some 600 biographers of Shiʿite traditionists, Moṣaffā 'l-maqāl fī moṣannefī al-reǰāl (Tehran, 1337 Š./1958); a biography of Mīrzā Ḥasan Šīrāzī, Hadīyat al-rāzī ela 'l-moǰadded al-Šīrāzī (Naǰaf, 1392/1972, Pers. tr., Mīrzā-ye Šīrāzī, Tehran, 1362/1983); a polemic against Sunni concept of eǰtehād, Tawżīḥ al-rašād fī taʾrīḵ ḥaṣr al-eǰtehād (unpublished); and a defense of the textual integrity of the Koran, al-Naqd al-laṭīf fī nafy al-taḥrīf ʿan al-Qorʾān al-šarīf (unpublished); and a brief biography of Shaikh Abū Jaʿfar Ṭūsī (Zendagānī-e Šayḵ Ṭūsī, Tehran, 1360 Š.…

Taschenbuch. Zustand: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -The Pseudo Random Arterial Modulation (PRAM) is a non-invasive MRI based method to measure blood flow. It does not require any contrast agent but rather uses water protons in the body as the contrast. PRAM is based on a pseudo random sequence of inversions and non-inversions of the arterial blood using radio frequency (RF) pulses at a labeling plane inferior to the imaging plane. A series of images are taken at the imaging plane and flow reconstructed from the transit time measurements. PRAM does not require separate control and label acquisition as is common in Arterial Spin Labeling (ASL) but rather measures the distribution of transit times to a voxel within one integrated scan. The PRAM method has been tested on a flow phantom and the results were in confirmation with the theoretical flow and velocity measurements. Subsequently the PRAM method was tested on a human leg and the results were comparable with the Ultrasound measurements. The final testing phase was performed on a human brain and the results were compared with the phased contrast MRA. The PRAM can measure the velocity profile and the transit time accurately and efficiently on any organ such as human brain. 108 pp. Englisch. …

Taschenbuch. Zustand: Neu. nach der Bestellung gedruckt Neuware - Printed after ordering - The Pseudo Random Arterial Modulation (PRAM) is a non-invasive MRI based method to measure blood flow. It does not require any contrast agent but rather uses water protons in the body as the contrast. PRAM is based on a pseudo random sequence of inversions and non-inversions of the arterial blood using radio frequency (RF) pulses at a labeling plane inferior to the imaging plane. A series of images are taken at the imaging plane and flow reconstructed from the transit time measurements. PRAM does not require separate control and label acquisition as is common in Arterial Spin Labeling (ASL) but rather measures the distribution of transit times to a voxel within one integrated scan. The PRAM method has been tested on a flow phantom and the results were in confirmation with the theoretical flow and velocity measurements. Subsequently the PRAM method was tested on a human leg and the results were comparable with the Ultrasound measurements. The final testing phase was performed on a human brain and the results were compared with the phased contrast MRA. The PRAM can measure the velocity profile and the transit time accurately and efficiently on any organ such as human brain.…

Zustand: New. Dieser Artikel ist ein Print on Demand Artikel und wird nach Ihrer Bestellung fuer Sie gedruckt. Autor/Autorin: Taei-Tehrani Mohammad RezaDr. Tehrani is the MRI research physicist at Rutgers University Brain Imaging Center. He has recevied his Ph.D. in Biomedical Engineering from Columbia University, his MS and ME in Biomedical and computer En.…

Taschenbuch. Zustand: Neu. This item is printed on demand - Print on Demand Titel. Neuware -The Pseudo Random Arterial Modulation (PRAM) is a non-invasive MRI based method to measure blood flow. It does not require any contrast agent but rather uses water protons in the body as the contrast. PRAM is based on a pseudo random sequence of inversions and non-inversions of the arterial blood using radio frequency (RF) pulses at a labeling plane inferior to the imaging plane. A series of images are taken at the imaging plane and flow reconstructed from the transit time measurements. PRAM does not require separate control and label acquisition as is common in Arterial Spin Labeling (ASL) but rather measures the distribution of transit times to a voxel within one integrated scan. The PRAM method has been tested on a flow phantom and the results were in confirmation with the theoretical flow and velocity measurements. Subsequently the PRAM method was tested on a human leg and the results were comparable with the Ultrasound measurements. The final testing phase was performed on a human brain and the results were compared with the phased contrast MRA. The PRAM can measure the velocity profile and the transit time accurately and efficiently on any organ such as human brain.OmniScriptum SRL, Str. Armeneasca 28/1, office 1, 2012 Chisinau 108 pp. Englisch.…