Zobrazeno 1 - 10 of 187 pro vyhledávání: '"R, Chaim"'
1
Synthesis and characterization of PbSe and PbSe/PbS core–shell colloidal nanocrystals
Autor: L. Langof, Efrat Lifshitz, R. Chaim, Aldona Sashchiuk
Publikováno v: Journal of Crystal Growth. 240:431-438
A new colloidal procedure, for the synthesis of PbSe and PbSe/PbS core–shell semiconductor nanocrystals (NCs), is reported. The synthesis includes the reaction between tributyl-phosphine selenium and lead 2-ethyl-hexanoate, under inert gas at room
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9c86f76f8d301da7d127b8a205fddc5d
https://doi.org/10.1016/s0022-0248(02)01156-9
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4
Nanometer-sized particles of lead iodide embedded in silica films
Autor: Efrat Lifshitz, M. Yassen, L. Bykov, I. Dag, R. Chaim
Publikováno v: The Journal of Physical Chemistry. 98:1459-1463
Nanometer-sized particles of lead iodide layered semiconductors were embedded in SiO 2 films. X-ray diffraction and photoluminescence (PL) spectroscopy showed the preservation of the bulk layered structure and symmetry. The PL and PL excitation (PLE)
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1316ec2ae6beca115a3435c797a81443
https://doi.org/10.1021/j100056a015
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6
Impact of a 2-year intervention program on cardiometabolic profile according to the number of goals achieved
Autor: B, Almeida-Pittito, A T, Hirai, D S, Sartorelli, S G A, Gimeno, S R G, Ferreira, R, Chaim
Publikováno v: Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP
We investigated the impact of lifestyle goal achievement on cardiovascular risk factors after a 2-year behavioral intervention program applied to 394 adults (113 with diabetes, mean age 60.2 ± 11.4 years, 56% women) and targeting four goals: ≥5% w
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f8971301c967c8443d7f16676ee2543d
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8
Electrolytic ZrO2 Coatings: I. Electrochemical Aspects
Autor: R. Chaim, I. Silberman, L. Gal‐Or
Publikováno v: Journal of The Electrochemical Society. 138:1939-1942
coatings were deposited on graphite and titanium from an aqueous solution based on a water‐soluble precursor. A two‐step mechanism is suggested for the formation: generation of hydroxyl ions (OH−) at the cathodic substrate by reduction of and d
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::070715525ee7006880b443bd6235a3f2
https://doi.org/10.1149/1.2085904
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9
Stress-corrosion cracking in YBa2Cu3O7−xceramic superconductor
Autor: R. Chaim, E. Iskevitch
Publikováno v: Philosophical Magazine Letters. 61:209-215
Thin-foil transmission electron microscopy specimens of orthorhombic YBa2Cu3O7−x subjected to residual elastic strains have shown slow crack growth in an atmosphere with low moisture content. Microcracks, initiated by amorphization at the strained
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0bfb29cbb92fcd4ae17bda5cba9c925a
https://doi.org/10.1080/09500839008202360
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10
The martensitic transformation in silicon—II. crystallographic analysis
Autor: Pirouz Pirouz, K. H. Westmacott, U. Dahmen, R. Chaim
Publikováno v: Acta Metallurgica et Materialia. 38:323-328
Following the experimental observations of the cubic→hexagonal transformation in silicon [P. Pirouz, R. Chaim, U. Dahmen and K.H. Westmacott, Acta metall. mater. 38 , 313 (1990)], a crystallographic analysis is presented in this paper. It is shown
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9040e25b87455e2e154a1a99cf041af1
https://doi.org/10.1016/0956-7151(90)90062-l
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