Zobrazeno 1 - 10
of 18
pro vyhledávání: '"L M, Tran"'
Publikováno v:
Low Temperature Physics. 49:291-295
It is shown that the GaN nanoceramics fabricated by low-temperature high-pressure technique exhibit ferromagnetic behavior. The measurements reveal that the magnetization of GaN nanoceramics increased with the sintering pressure to 8 GPa applied in t
Autor:
Nam T. S. Phan, Duyen L. M. Tran, Thuyen T. C. Ho, Tung T. Nguyen, Tuan H. Ho, Nhu T. A. Phan
Publikováno v:
Synthesis. 53:4117-4123
Methods to afford pyrrolo[1,2-a]quinoxalines often require the use of prefunctionalized aniline precursors, transition metals, and/or harsh conditions. Herein we describe a simple coupling of 1-(2-nitroaryl)pyrroles and arylacetic acids, in the prese
Autor:
Bénédicte Vertruyen, Daniela Kovacheva, L-M Tran, Michal Babij, Svetoslav Kolev, Borislava Georgieva, A. J. Zaleski, Ch Ghelev, Kiril Krezhov, Tatyana Koutzarova, Raphael Closset
We report studies on the effect of substituting the magnetic Fe3+ cations with nonmagnetic Al3+ cations in Y-type hexaferrite Ba0.5Sr1.5Zn2Fe11.92Al0.08O22 powders on their magnetic properties and especially on the magnetic phase transitions responsi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8dd825dafec59ee9b12108a43e53e129
Autor:
B Georgieva, S Kolev, Ch Ghelev, K Krezhov, D Kovacheva, B Vertruyen, R Closset, L-M Tran, M Babij, A Zaleski, T Koutzarova
Publikováno v:
Journal of Physics: Conference Series. 2240:012023
We investigated the magnetic properties and magnetic phase transition in Y-type Ba0.5Sr1.5NiMgFe12O22 hexaferrite powder prepared by citrate sol-gel spontaneous combustion. The saturation magnetisation value of 32 emu/g at 4.2 K was lowered to 24 emu
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Autor:
A A, Safa, L M, Tran, S, Rege, C V, Brown, M A, Mandelkern, M B, Wang, A, Sadeghi, G, Juillard
Publikováno v:
The cancer journal from Scientific American. 5(4)
To evaluate the utility of positron emission tomography (PET) fluorodeoxyglucose (FDG) imaging in the workup of unknown primary head and neck tumors.Fourteen patients with squamous cell carcinoma of cervical lymph node metastasis of unknown primary o
Publikováno v:
The American surgeon. 64(10)
Precise mediastinal lymph node staging is essential in non-small cell lung cancer for proper evaluation and treatment. In addition to CT, mediastinoscopy is routinely used for staging and diagnosis of mediastinal malignancy. Recently, endoscopic ultr
Publikováno v:
Cancer. 77(11)
Angiosarcomas (AS) are rare, aggressive tumors. Optimal treatment has not been well defined. The authors undertook a retrospective review of patients seen at their institution with the intent of identifying prognostic factors and optimal treatment st
Publikováno v:
Radiology. 197(1)
To determine optimal treatment in patients with craniopharyngiomas.In 1977-1990, 49 patients (age range, 3-67 years; median age, 35 years; 25 female, 24 male) with craniopharyngiomas were examined. Follow-up was 5-17 years (median, 8 years). Fifteen