مرور بر اساس عنوان

در حال نمایش موارد 36382 - 36401 از 210909

  • $r$-fuzzy regular semi open sets in smooth topological spaces 

    Vadivel, A; ELAVARASAN, E (University of Maragheh, 2017-04-01)
    In this paper, we introduce and study the concept of $r$-fuzzy regular semi open (closed) sets in smooth topological spaces. By using $r$-fuzzy regular semi open (closed) sets, we define a new fuzzy closure operator namely ...

  • R&D Spillovers, Trade Integration And Expansion Of Trade Flows In East- West Asia And Pacific 

    Tayebi, Seyed Komail; Eshraghi, Fereshte (University of Tehran, Faculty of Economics, 2010-01-01)

  • The (R,S)-symmetric and (R,S)-skew symmetric solutions of the pair of matrix equations A1XB1 = C1 and A2XB2 = C2 

    Dehghan, M.; Hajarian, M. (Springer and the Iranian Mathematical Society (IMS), 2011-09-01)
    Let $Rin textbf{C}^{mtimes m}$ and $Sin textbf{C}^{ntimes n}$ be nontrivial involution matrices; i.e., $R=R^{-1}neq pm~I$ and $S=S^{-1}neq pm~I$. An $mtimes n$ complex matrix $A$ is said to be an $(R, S)$-symmetric ($(R, ...

  • (r,t)-injectivity in the category $S$-Act 

    Haddadi, Mahdieh; Naser Sheykholislami, Seyed Mojtaba (Shahid Beheshti University, 2019-07-01)
    In this paper, we show that injectivity with respect to the class $mathcal{D}$ of dense monomorphisms of an idempotent and weakly hereditary closure operator of an arbitrary category well-behaves. Indeed, if $mathcal{M}$ ...

  • Rabbit internal dosimetry for iodine-131 using GATE Monte Carlo simulation code: a preclinical trial 

    Yavari, Shima; Geramifar, Parham; Fallahpoor, Maryam; Abbasi, Mehrshad (Mashhad University of Medical Sciences, 2018-12-01)
    Introduction:One of the main concerns in administration of radiotracers, especially in therapeutic arm, is the amount of delivered dose to the different organs.Individual variations of anatomy, physiology and underlying ...

  • Rabies and Its Present Situation in Iran. 

    Nadalian, Mohammad Gholi; H, Tadjbakhsh, H; M.R, Mokhber-Dezfuli; A, Rezakhani; S, Simani; M, Bolourchi (Shahid Chamran Universiy of Ahvaz, 2016-11-01)
    Rabies is one of the infectious diseases, highly fatal and true zoonoses. The disease occurs in most countries. In Iran, rabies is endemic and a major public health Problem. The most warm- blooded animals are susceptible ...

  • Race, Education Attainment, and Happiness in the United States 

    Assari, Shervin (Shahrekord University of Medical Sciences, 2019-05-01)
    Background and aims: As suggests by the Minorities' Diminished Returns (MDR) theory, educationattainment and other socioeconomic status (SES) indicators have a smaller impact on the health andwell-being of non-White than ...

  • racing environmental changes and paleoclimate using the micromorphology of soils and desert varnish in central Iran 

    Sarmast, M.; Farpoor, Mohammad Hady; Jafari, A.; Esfandiarpour Borujeni, I. (University of Tehran, 2019-12-01)
    Soil and desert varnish are powerful records capable of saving invaluable data regarding environmental factors and processes during their formation stages. The present research was carried out to identify the environmental ...

  • Rad51 Expression in Nasopharyngeal Carcinoma and Its Association with Tumor Reduction: A Preliminary Study in Indonesia 

    Cahyanti, Dian; Rachmadi, Lisnawati; Wulani, Vally; Adham, Marlinda (Iranian Society of PathologyFarname Inc., 2016-04-01)
    Background: Overexpression of Rad51 protein in many tumor cells has been proven to increase radioresistance and can be related to the resistance of chemosensitivity of tumor cells. This preliminary study was conducted to ...

  • Radar Absorbing Nanocomposites Based MultiLayered Graphene Platelets/Epoxy 

    Azizi, Farshid; Jahangiri, H. (University of Kashan, 2015-10-01)
    Graphene nanostructures were synthesized by Hummer method. 1, 3, 5 and 7 wt% of graphene nanostructures were suspended in certain amount of acetone on a mechanical stirrer and stirred then added to epoxy resin. After 4 ...

  • Radar Absorption Performance of Fe3O4/AC/PANI Nanocomposites Prepared from Natural Iron Sand 

    Taufiq, Ahmad; Sutiami, Rita; Subadra, ST; Hidayat, Arif; Diantoro, Markus; Sunaryono, Sunaryono; Hidayat, Nurul; Adi, Wisnu (Materials and Energy Research Center, 2020-02-01)
    In this work, the Fe3O4 nanoparticles from natural iron sand were combined with active carbon (AC) and polyaniline (PANI) to obtain Fe3O4/AC/PANI nanocomposites with mass variations of the AC of 0.1, 0.2, 0.3, 0.4, and 0.5 ...

  • Radar Absorption Performance of Fe3O4/AC/PANI Nanocomposites Prepared from Natural Iron Sand 

    Taufiq, Ahmad; Sutiami, Rita; Subadra, ST; Hidayat, Arif; Diantoro, Markus; Sunaryono, Sunaryono; Hidayat, Nurul; Adi, Wisnu (Materials and Energy Research Center, 2020-02-01)
    In this work, the Fe3O4 nanoparticles from natural iron sand were combined with active carbon (AC) and polyaniline (PANI) to obtain Fe3O4/AC/PANI nanocomposites with mass variations of the AC of 0.1, 0.2, 0.3, 0.4, and 0.5 ...

  • Radial Basis Neural Network Based Islanding Detection in Distributed Generation 

    Tarafdar Hagh, Mehrdad; GHADIMI, NORADIN (Materials and Energy Research Center, 2014-07-01)
    This article presents a Radial Basis Neural Network (RBNN) based islanding detection technique. Islanding detection and prevention is a mandatory requirement for grid-connected distributed generation (DG) systems. Several ...

  • Radial Head Prosthesis Removal:a Retrospective Case Series of 14 Patients 

    Neuhaus, Valentin; Christoforou, Dimitrios C.; Kachooei, Amir Reza; Jesse, Jupiter; Ring, David; S. Mudgal, Chaitanya (Mashhad University of Medical Sciences, Iranian Society of Knee Surgery, Arthroscopy and Sports Tramatology,Iranian Orthopaedic Association, 2015-04-01)
    Background: The purpose of this study was to report the preoperative complaints and postoperative outcome of patients after removal of the radial head prosthesis. Methods: This is a retrospective review of 14 adult patients ...

  • Radial Probe Endobronchial Ultrasound for Peripheral Pulmonary Lesions: Initial Experience in an Indian Tertiary Healthcare Centre 

    Nair, Arun; Haridas, Nithya; Ahmed, subin; Eapen, Malini (Iranian Association of Surgeons- Khorasan Branch, 2017-12-01)
    Introduction : Diagnosis of peripheral pulmonary nodules is confusing; therefore, an accurate and safe lung biopsy can prevent unnecessary invasive diagnostic procedures. This study soughtto study the diagnostic yield, ...

  • Radial Tunnel Syndrome, Diagnostic and Treatment Dilemma 

    Moradi, Ali; Ebrahimzadeh, Mohammad Hosein; Mashhadinejad, Hosein (Mashhad University of Medical Sciences, Iranian Society of Knee Surgery, Arthroscopy and Sports Tramatology,Iranian Orthopaedic Association, 2015-07-01)
    Radial tunnel syndrome is a disease which we should consider it in elbow and forearm pains. It is diagnosed with lateral elbow and dorsal forearm pain may radiate to the wrist and dorsum of the fingers. The disease is more ...

  • Radiation Bystander Effects Mechanism 

    Soleymanifard, Shokohzaman; Bahreyni Toossi, Mohammad Taghi (Mashhad University of Medical Sciences, 2009-06-01)
    Introduction: Radiation Induced Bystander Effect (RIBE) which cause radiation effects in non-irradiated cells, has challenged the principle according to which radiation traversal through the nucleus of a cell is necessary ...

  • Radiation dose of caregivers could be reduced in thyroid carcinoma patients requiring high dose of radioactive iodine: A case report 

    Uslu-Beşli, Lebriz; Demir, Mustafa; Yeyin, Nami; Çavdar, İffet (Research Center for Nuclear Medicine (Tehran University of Medical Sciences), 2016-07-01)
    Undesired radiation exposure to caregivers is an important problem in radioiodine therapy in thyroid carcinoma patients, especially when patient is non-ambulatory. Special precautions are needed to keep the exposure to ...

  • Radiation dose of Pediatrics in a general hospital in comparison to a pediatrics hospital 

    Mohammadbeigi, Ahmad; Khoshgard, Karim; Haghparast, Abbas; Eivazi, Mohammad Taghi; Rezaei, Masoud (Mashhad University of Medical Sciences, 2018-12-01)
    Introduction: Increasing CT scan application increased the cancer risk in pediatrics in recentdecays. Imaging centers approach for diagnosis of disease cause to different radiation dose to patients. Because of rapid ...

  • Radiation Effects on the On-line Monitoring System of a Hadrontherapy Center 

    Ansarinejad, Abdolkazem (Mashhad University of Medical Sciences, 2014-12-01)
    Introduction Today, there is a growing interest in the use of hadrontherapy as an advanced radiotherapy technique. Hadrontherapy is considered a promising tool for cancer treatment, given its high radiobiological effectiveness ...