Zobrazeno 1 - 10
of 55
pro vyhledávání: '"Tien Hiep Nguyen"'
Publikováno v:
Журнал Белорусского государственного университета: Химия, Iss 1, Pp 28-35 (2021)
The kinetics for the procedure of preparing iron nanopowder from α-FeOOH by hydrogen reduction under non-isothermal conditions were studied. The reduction of α-FeOOH nanopowder was shown to occur within the temperature range from 180 to 550 °С, w
Externí odkaz:
https://doaj.org/article/c72511a097d04fe38c1a430e25137aa1
Autor:
Tien Hiep Nguyen
Publikováno v:
Металознавство та обробка металів, Vol 26, Iss 4, Pp 47-55 (2020)
In this work the kinetics of the hydrogen reduction process of nickel oxide nanopowder in non-isothermal conditions were studied. NiO nanopowder was prepared in advance by thermal decomposition at 300°C of nickel hydroxide Ni(OH)2. Ni(OH)2 nanopowde
Externí odkaz:
https://doaj.org/article/44878d2c5e074ecdb80948916189926d
Autor:
Tien Hiep Nguyen, Y. V. Konyukhov, Nguyen Van Minh, D. Y. Karpenkov, V. V. Levina, G. Karunakaran, A. G. Buchirina
Publikováno v:
Eurasian Chemico-Technological Journal, Vol 23, Iss 1 (2021)
This research study describes the magnetic properties of Fe, Co and Ni metallic nanopowders (NPs) and their ternary nanocomposites (NCs), which can be used as fillers in radio-wave absorbing composite materials and coatings, as well as for magnetic p
Externí odkaz:
https://doaj.org/article/c29d850374ce447193818bc0e25b236e
Autor:
Wen Hong Chen, Quang Hieu Nguyen, Run Zheng Chen, Tien Hiep Nguyen, Sinh Khang Nguyen, Van Tap Nguyen, Michael Möller, David J. Middleton, Yu-Min Shui
Publikováno v:
PhytoKeys, Vol 94, Iss , Pp 95-106 (2018)
Two new species of Oreocharis Benth. from Fan Si Pan, the highest mountain in Vietnam (Sa Pa) are described and illustrated. Oreocharis grandiflora W.H.Chen, Q.H.Nguyen & Y.M.Shui, is similar to O. flavida Merr. from Hainan province, China, but diffe
Externí odkaz:
https://doaj.org/article/bdeb69f494474882a8a7be62eecef1b2
Autor:
L. V. Averyanov, Van The Pham, T. V. Maisak, Tuan Anh Le, Van Canh Nguyen, Hoang Tuan Nguyen, Phi Tam Nguyen, Khang Sinh Nguyen, Vu Khoi Nguyen, Tien Hiep Nguyen, M. Rodda
Publikováno v:
Turczaninowia, Vol 20, Iss 3, Pp 103-147 (2017)
This paper provides new data on 33 new or rare species of Hoya obtained in fieldwork mainly during 2012–2017 in eastern Indochina including Cambodia, Laos and Vietnam. These data include illustrated descriptions of three species new for science, as
Externí odkaz:
https://doaj.org/article/3a958974c31743afacd8c439b46bb8c1
Autor:
Tien Hiep Nguyen, Gopalu Karunakaran, Yu.V. Konyukhov, Nguyen Van Minh, D.Yu. Karpenkov, I.N. Burmistrov
Publikováno v:
Nanomaterials, Vol 11, Iss 2, p 341 (2021)
This paper presents the synthesis of Fe–Co–Ni nanocomposites by chemical precipitation, followed by a reduction process. It was found that the influence of the chemical composition and reduction temperature greatly alters the phase formation, its
Externí odkaz:
https://doaj.org/article/18278c7ac5a24f0090c4df11b970f41a
Autor:
L. V. Averyanov, Khang Sinh Nguyen, T. V. Maisak, E. L. Konstantinov, Tien Hiep Nguyen, Somchanh Bounphanmy
Publikováno v:
Turczaninowia, Vol 19, Iss 3, Pp 5-58 (2016)
Herbarium material collected in 2013–2015 in Cambodia and Laos provides 298 new localities for 167 orchid species (from 57 genera). Almost all reported locations are new on the territory of studied countries. These data provide substantial basis fo
Externí odkaz:
https://doaj.org/article/40105b295dbd476e9bd0d0a572ac2f42
Autor:
Manh Hung, Nguyen, Thi Bich, Vu, Duc Quang, Nguyen, Tien Hiep, Nguyen, Nguyen, Chương V., Majumder, Sutripto, Tien Hung, Pham, Dinh Hoat, Phung, Van Hoang, Nguyen, Minh Hieu, Nguyen, Nguyen, Tien Dai
Publikováno v:
In Ceramics International 15 July 2023 49(14) Part A:23796-23804
Autor:
Tien Hiep Nguyen, Van Minh Nguyen, Manh Hung Nguyen, Van Hoang Nguyen, Van Chuong Nguyen, null Do, Viet Phuong Tang, Viet Anh Nguyen
Publikováno v:
Engineering Journal: Science and Innovation.
The effect of heating modes on the properties of Co and Ni nanopowders obtained by the chemical-metallurgy method was compared. It was shown that all established heating modes (isothermal, non-isothermal and mixed) ensure the production of Co and Ni
Publikováno v:
Defect and Diffusion Forum. 410:62-67
The impact of Fe, Co, Ni nano-additives on the density, microhardness and bending strength was investigated for several sintered pellets. Fe, Co, Ni nanopowders (NP) were prepared in the size range 67-94 nm using chemical metallurgy techniques. These