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Triệu chứng viêm phổi do virut Corona (Cập nhật đến ngày 10/6/2022)
Ở giai đoạn 1 của dịch Covid-19, khi Trung Quốc là điểm nóng của cả thế giới, các dữ liệu... -
Sars-Cov-2, virut gây bệnh Covid-19 (Cập nhật từ ngày 21/5 đến ngày 27/5/2022)
COVID-19 do vi-rút có tên là SARS-CoV 2 gây ra. Nó là một phần của họ vi-rút corona, bao gồm... -
Điều trị suy hô hấp bằng máy thở ECMO trong đại dịch Covid-19 (Cập nhật đến ngày 20/5/2022)
Kỹ thuật “Trao đổi khí Oxy qua màng ngoài cơ thể - ECMO là một kĩ thuật hồi sức đặc biệt. ECMO là phương... -
Các bài nghiên cứu mới về COVID-19 từ ngày 15/10 đến ngày 22/10/2021
Cục Thông tin KH&CN Quốc gia trân trọng kính gửi đến các nhà khoa học những nghiên cứu mới nhất về COVID-19... -
Isotope effects in debye-waller factor and in XAFS
A new analytical procedure for discover and evalution of isotope effects in Debye-Waller factor (DWF) and in X-ray absorption fine structure (XAFS) of... -
Phúc chat Zn(II) vói N(4)-allylthiosemicacbazon 2-axetylpyridin và N(4)-metylthiosemicacbazon 2- axetylpyridin: Tong hop, nghiên cúu cau tao và hoat tính sinh hqc
Phan úng cua dung d%ch muoi Zn(II) khi có m¾t amoniac vói các dung d%ch N(4)-allylthiosemicacbazon 2-axetylpyridin (HL1) và... -
Study on Degradation Behavior of a Modified Polyethylene (sPE) - Lined Blasted Steel Substrate Exposed to Hydrochloric Acid Solution Environment
Polyethylene is well known as a good chemical-resistant material and is widely utilized in practice. In lining applications, some types of modified... -
Effect of Neodymium and Transition Metals Co-doped on Structural, Optical and Magnetic Properties of BiFeO3 Materials
Structural, optical and magnetic properties of BiFeO3 and Bi0.9Nd0.1Fe0.95TM0.05O3 (TM = Ni, Co) polycrystallines prepared by sol–gel method have been... -
The electric and magnetic properties of the perovskite compound system Ca(1-x)Fe(x)MnO3(x=0;0.01; 0.03; 0.05)
The sample of Ca(1-x)Fe(x)MnO3(x=0;0.01; 0.03; 0.05) have been made by ceramic and sol-gel technologies . The crystalline structure was analysed by... -
Evaluatin of XAFS spectra with influence of anharmonicity
In this work the X-ray Absorption Fine Structure (XAFS) spectra with influence of anharmocicity have been evaluated to get correct structural... -
Preparation of ZnO nanoparticles on transparent and conductive In-doped ZnO thin film
Highly c-axis oriented transparent and conductive In-doped zinc oxide (ZnO:In) thin films were deposited on glass substrates by radio frequency (R.F)... -
Nghiên cứu chế tạo hệ xúc tác Zn,P/Al 2O3 để etyl este hóa một số mỡ động vật và đánh giá thành phần axit béo không thay thế bằng GC-MS
Giới thiệu tổng quan về axit béo không thay thế, vật liệu xúc tác cho quá trình este hóa. Nghiên cứu thực nghiệm: Tổng hợp vật liệu γ -Al2O3; tổng hợp... -
Synthesis of cerium-doped yttrium aluminum garnet nanopowder low-temperature reaction combustion method
Nanopowders of cerium doped yttrium aluminum garnet(Y3Al5O12:Ce3+) - YAG:Ce were prepared by low-temperature sol-gel method. High-purity Y2O3,... -
Structure and Photoluminescence Characterization of LaPO4:Sm 3+ Nanowires Prepared by Hydrothermal Method
LaPO4nanowires doped with 1, 2,…8 mol% Sm3+ were prepared by a hydrothermal method. The samples were characterized by transmission electron microscopy... -
Effect of Neodymium and Transition Metals Co-doped on Structural, Optical and Magnetic Properties of BiFeO3Materials
Structural, optical and magnetic properties of BiFeO3and Bi0.9Nd0.1Fe0.95TM0.05O3(TM = Ni, Co) polycrystallines prepared by sol–gel method have been... -
Effect of Neodymium and Transition Metals Co-doped on Structural, Optical and Magnetic Properties of BiFeO3 Materials
Structural, optical and magnetic properties of BiFeO3and Bi0.9Nd0.1Fe0.95TM0.05O3(TM = Ni, Co) polycrystallines prepared by sol–gel method have been... -
Preparation of Au-Ag Alloy Nanoparticles for Surface Enhanced Raman Scattering
Using a laser-based method we study the preparationof Au-Ag alloy nanoparticles for Surface enhanced Raman scattering (SERS). Au and Agnanoparticles... -
Structural and Physical Properies of Y- doped BiFeO 3 Material Prepared by Sol-gel Method
Y - doped BiFeO3 materials were prepared by a sol – gel method. X-ray diffraction (XRD) meansurement has been carried out to characterize crystal... -
Synthesis and optical properties of CdSe/CdSe 1-x S x heterostructure nanorods using Oleylamine
Colloidal CdSe/CdSe1-xSxheterostructure nanorods were synthesized by the seeded growth method. By changing the temperature, type ofligand, we... -
Sol-gel deposition of ZnO:Al thin films
Singlelayer aluminium –doped zinc oxide films were prepared on silicium substrates by the sol-gel spin coating process. The as-deposited films have... -
CT manifestations of coronavirus disease-2019: A retrospective analysis of 73 cases by disease severity
Purpose To report CT features of coronavirus disease-2019 (COVID-19) in patients with various disease severity. Methods The CT manifestations... -
Thermodynamic and correlation effects in atomic vibration of BCC crystals containing dopant atom
A new procedure for calculation and analysis of therm odynam ic and correlationeffects of bcc crystals under in fluence of dopan tatom in th e X-ray... -
Study of structure and electric property of perovskites Ca0.85Mn1-xRuxO3
We study the perovskite system of composition Ca0e 5Pr 0 ,5Mn,„Ru,O3 where X= 0.00, 0.03, 0 .0 5 and 0.07 which were prepared by standard ceramic... -
Research bentonite modified by dimetyl dioctadecyl ammonium chloride and applied to the adsorption of phenolic compounds in wastewaters
There have been numerous studies on pollution treatment of organic matter is done application, methods of pollution treatment adsorbent material made... -
TiO2 fabricated from Vietnamese Ilmenit Applying battery Anode
In this study, TiO2 was fabricated from Vietnamese ilmenite using plasma treatment. It was used as the active material in the metal-air battery to...