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Retraction Note to: “Propagation of electromagnetic waves in pendry lens”
Pleiades Publishing Ltd - Tập 11 - Trang 842-842 - 2017
N. V. Selina, E. N. Tumayev
Tổng hợp vi sóng các vật liệu nano kích thước vi lõi - vỏ dựa trên magnetit được chức năng hóa với vàng và doxorubicine Dịch bởi AI
Pleiades Publishing Ltd - Tập 12 - Trang 199-207 - 2017
D. V. Pryazhnikov, O. O. Efanova, M. S. Kiseleva, I. V. Kubrakova
Một phương pháp tổng hợp vi sóng cho các vật liệu nano từ tính đa chức năng với cấu trúc “lõi - vỏ đa lớp” được đề xuất. Các điều kiện tối ưu cho quá trình tổng hợp từng bước một vật liệu dựa trên magnetit Fe3O4 (“lõi”) được sửa đổi bằng các polyme chứa silicon (TEOS + MPTMS), các hạt nano vàng và thuốc chống ung thư doxorubicine (DOX) (“vỏ”) đã được tìm ra. Sử dụng các kỹ thuật thiết bị, thành ph...... hiện toàn bộ
#tổng hợp vi sóng #vật liệu nano #magnetit #doxorubicine #phóng thích kiểm soát #y sinh học
Plasma Nitrogen Doping of Nanostructured Reduced Graphene Oxide
Pleiades Publishing Ltd - - 2020
А. С. Пушкарев, О. К. Алексеева, I. V. Pushkareva, B. L. Shapir, Ratibor G. Chumakov, В. В. Тишкин, M. V. Kozlova, Valery N. Kalinichenko, В. Н. Фатеев
Ultralight ceramic armor materials based on nanostructural mechanoactivated boron carbide powder
Pleiades Publishing Ltd - Tập 3 - Trang 209-213 - 2008
M. V. Kremenchugskii, G. G. Savkin, V. I. Malinov, A. I. Rachkovskii, G. Yu. Smorchkov
A nanodimensional powder of doped boron carbide has been obtained by means of mechanoactivation in a planetary centrifugal mill and used to produce a nanostructural ceramic material by hot pressing at a temperature of 1900°C and a pressure of 30 MPa. Investigation of a combination of mechanical properties of the nanostructural ceramics showed its advantage over a material obtained using the tradit...... hiện toàn bộ
Study of the structure and mechanical properties of nano- and ultradispersed mechanically activated heavy tungsten alloys
Pleiades Publishing Ltd - Tập 8 - Trang 108-121 - 2013
V. N. Chuvil’deev, A. V. Nokhrin, G. V. Baranov, A. V. Moskvicheva, M. S. Boldin, D. N. Kotkov, N. V. Sakharov, Yu. V. Blagoveshchenskii, S. V. Shotin, N. V. Melekhin, V. Yu. Belov
Mechanisms of sintering and the structure and mechanical properties of nano- and ultradispersed W-Ni-Fe (WNF) and W-Ni-Fe-Co (WNFC) heavy tungsten alloys are investigated. The effect of tungsten particle sizes on the optimal sintering temperature is studied. The size of particles has been changed by the mechanical activation (MA) of the source W-Ni-Fe coarse-grained (CG) charge and by adding ultra...... hiện toàn bộ
Calorimetry System Based on Polystyrene/MWCNT Nanocomposite for Electron Beam Dosimetry: A New Approach
Pleiades Publishing Ltd - Tập 15 - Trang 175-181 - 2020
Abbas Rahimi, Farhood Ziaie, Nasrin Sheikh, Shahryar Malekie
A novel calorimetry system is presented to use in radiation processing facilities equipped with an electron accelerator. The calorimeter core was fabricated with polystyrene/multiwall carbon nanotube nanocomposite. The nanocomposite samples were made in different weight percentages of MWCNTs namely 0.05, 0.1, 0.28, 1, and 2 wt %. The SEM analysis was applied to demonstrate the dispersion state of ...... hiện toàn bộ
Magnetic phase transition of the first kind in a system of spherical nanoclusters with the point dipole
Pleiades Publishing Ltd - Tập 7 - Trang 243-245 - 2012
V. N. Buravtsev, I. P. Suzdalev
The possibility of phase transition of the first kind in a system of free single-domain magnetic clusters is considered. To determine the domain of the system parameters where the phase transtion of the first kind (the domain of stability loss of the homogeneous distribution of the system) is possible, an equation of state of a system consisting of solid spheres of the diameter d containing the po...... hiện toàn bộ
Properties of iron nanosized powders obtained by chemicometallurgical method using surface-active substances
Pleiades Publishing Ltd - Tập 3 - Trang 352-357 - 2008
Yu. V. Konyukhov, V. V. Levina, D. I. Ryzhonkov, I. I. Puzik
In this paper, we have studied the effect of water-soluble surfactants (C2H5OH and C12H25NaO4S) on the processes of iron hydroxide precipitation and reduction and have showed the possibility of controlling the dispersity of the initial hydroxides and the reduced nanocrystalline metal particles and their size distributions upon the production by chemicometallurgical method.
A mechanical model of the contact interaction between the atomic force microscope measuring element and a surface under investigation
Pleiades Publishing Ltd - Tập 4 Số 7 - Trang 525-529 - 2009
Goldstein, R. V., Gorodtsov, V. A., Ustinov, K. B.
A hierarchic set of gradually complicated models is suggested. The models describe the contact condition of the mechanical interaction between the atomic force microscope (AFM) probe and the investigated surface while allowing for various factors. A variant of the AFM probe-surface mechanical interaction model is developed which takes into account the simultaneous effect of the probe geometry and ...... hiện toàn bộ
Measurement of local thickness of oxide layer and its electronic characteristics by scanning tunneling microscopy
Pleiades Publishing Ltd - Tập 8 - Trang 627-630 - 2013
A. K. Gatin, M. V. Grishin, A. A. Kirsankin, M. A. Kozhushner, V. S. Posvyanskii, V. A. Kharitonov, B. R. Shub
A method for determining local thicknesses and parameters of the electronic structure of thin oxide films, as well as of absolute values of the distance between the tip of the scanning tunneling microscope and the surface of the sample under study, are presented in this work.
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