نتایج جستجو برای: refractory metal

تعداد نتایج: 254511  

Journal: :iranian journal of blood and cancer 0
samin alavi mohammad taghi arzanian

background: the induction chemotherapy regimen for acute myeloid leukemia has evolved as once induction is completed patients progress through the consolidation phase and achieve remission in 76% of cases. for patients with relapsed or refractory disease, alternative chemotherapy agents are available. monoclonal antibody therapy with biological agents, such as the immunotoxin gemtuzumab ozogami...

Journal: :Coatings 2022

This Special Issue presents a series of research papers and reviews about the second-phase enhancement, surface coating technology, high-temperature corrosion, wear, erosion, protection structural materials. The effects alloying technology on microstructure, mechanical properties, oxidation resistance materials were systematically introduced. In addition, this also summarizes strengthening mech...

Journal: :iranian journal of psychiatry 0
fatemeh ranjbar clinical psychiatry research center, tabriz university of medical sciences, tabriz, iran. fariborz akbarzadeh cardiovascular research center, tabriz university of medical sciences, tabriz, iran. mahboub asadlou clinical psychiatry research center, tabriz university of medical sciences, tabriz, iran.

objective: the aim of this study was to evaluate the effect of premenstrual syndrome (pms) treatment with selective serotonin reuptake inhibitor (ssri) on treatment response of refractory hypertension of the patients. method: this was a triple-blind randomized clinical trial conducted on female patients suffering from refractory hypertension and pms at the same time. we obtained informed consen...

Journal: :بینا 0
سیدمحمد قریشی m ghoreishi isfahan university of medical sciences, isfahan, iranاصفهان- خیابان میر- روبه روری بیمه آسیا- کلینیک پارسیان حسن رزمجو h razmjoo isfahan university of medical sciences, isfahan, iranاصفهان- خیابان میر- روبه روری بیمه آسیا- کلینیک پارسیان مریم نوری فشارکی m noori fesharaki isfahan university of medical sciences, isfahan, iranاصفهان- خیابان میر- روبه روری بیمه آسیا- کلینیک پارسیان علیرضا پیمان a peyman isfahan university of medical sciences, isfahan, iranاصفهان- خیابان میر- روبه روری بیمه آسیا- کلینیک پارسیان

purpose: to determine the outcomes of visual correction with femto-lasik following pk. methods: in this prospective study, 34 eyes of 31 patient who had undergone thin – flap lasik due to high refractive error after corneal grafting were evaluated .after complete ocular examination and assessment of uncorrected and corrected distant visual acuity (ucva and bcva) , the patients underwent femto-l...

2011
Vibhor Jain Evan Lobisser Ashish Baraskar Brian J. Thibeault Mark J. W. Rodwell M. Urteaga D. Loubychev A. Snyder Y. Wu J. M. Fastenau W. K. Liu

We report InP/In0.53Ga0.47As/InP double heterojunction bipolar transistors (DHBTs) demonstrating simultaneous 460 GHz f and 850 GHz fmax. The devices were fabricated using a triple mesa process with dry-etched, refractory metals for emitter contact formation. The devices incorporate a 35 nm thick InP emitter which enables a wet etch emitter process demonstrating 220 nm wide emitter-base juncti...

2005
C W Corti

When a metallic powder is subjected to a suffkiently high pressure a certain amount of adhesion takes place between individual particles. If this compact i s then sintered the bond is improved by diflusion and intergranular grain growth. The earliest known platinum objects were fabricated by such a powder metallurgical process, and when European scientists first addressed the problem of manufac...

Journal: :Journal of hazardous materials 2011
Kyoung-Hun Kim Son-Ki Ihm

Catalytic wet air oxidation (CWAO) is one of the most economical and environmental-friendly advanced oxidation process. It makes a promising technology for the treatment of refractory organic pollutants in industrial wastewaters. Various heterogeneous catalysts including noble metals and metal oxides have been extensively studied to enhance the efficiency of CWAO. The present review is concerne...

Journal: :Dalton transactions 2011
Wael Darwish Elisabeth Seikel Klaus Harms Olaf Burghaus Jörg Sundermeyer

Unprecedented imido phthalocyaninato complexes of pentavalent refractory metals [PcM(NR)Cl] (M = Mo, W, Re; R = tBu: 1, 3, 6, Mes: 2, 4, 7 or Ts: 5) have been synthesized by reductive cyclotetramerization of phthalonitrile in the presence of appropriate bis(imido) complexes of Mo, W and Re as templates. While d(1) Mo(V) and W(V) species 1-5 show distinctive EPR spectra corresponding to metal ce...

1996
D. W. Goodman

Thin oxide films ~e.g., 5–10 nm of SiO2, Al2O3, NiO, MgO! supported on a refractory metal substrate ~e.g., Mo, W, Ta, Re! have been prepared by deposition of the oxide metal precursor in a background of oxygen. The thin-film nature of these samples facilitates investigation by an array of surface techniques, many of which cannot be effectively utilized on the corresponding bulk oxide. The struc...

Journal: :Journal of oral science 2007
Hideo Matsumura Saiji Shimoe Kiyoshi Nagano Naomi Tanoue

This case report describes a simple method for identifying the citizenship of a denture wearer by marking the telephone country code number inside the denture base. A wax pattern for the denture framework was prepared on the refractory cast. A piece of embossing tape, containing the country code (81, Japan), Japanese prefectural code, and abbreviation of the dental clinic where the denture was ...

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