Zobrazeno 1 - 10
of 15
pro vyhledávání: '"Cao Tien Khoa"'
Publikováno v:
Journal of Science: Advanced Materials and Devices, Vol 6, Iss 1, Pp 27-32 (2021)
Iron oxide nanostructures have been studied extensively because of their excellent magnetic, optical, electrical, and catalytic properties. This work introduces a simple process to synthesize directly bi-phase α-/γ-Fe2O3 submicron flowers on a Fe f
Externí odkaz:
https://doaj.org/article/bed58933fdc643eba2c56db42091aecc
Autor:
Vu Thanh Dong, Luong Huu Phuoc, Nguyen Duc Chien, Dang Duc Nhat, Dang Duc Vuong, Vu Xuan Hien, Tran Manh Thang, Nguyen Thanh Nghi, Cao Tien Khoa
Publikováno v:
Journal of Materials Science: Materials in Electronics. 32:13803-13812
VO2 nanomaterials were synthesized directly from vanadium powder and NH4OH solution. The effect of annealing temperature on the formation of VO2 and V2O5 phases of materials after synthesis was investigated and analyzed. The material is composed of n
Publikováno v:
Journal of Science: Advanced Materials and Devices, Vol 6, Iss 1, Pp 27-32 (2021)
Iron oxide nanostructures have been studied extensively because of their excellent magnetic, optical, electrical, and catalytic properties. This work introduces a simple process to synthesize directly bi-phase α-/γ-Fe2O3 submicron flowers on a Fe f
Publikováno v:
Studies in Social Science Research. 4:p46
Students’ scientific research receives a lot of attention from universities and colleges. However, getting students to participate in research is not easy at all. As a result, the purpose of this research is to identify the factors that influence s
Autor:
Dang Duc Vuong, Le Tung Ung, Nguyen Thanh Nghi, Luong Huu Phuoc, Cao Tien Khoa, Vu Xuan Hien, Nguyen Duc Chien
Publikováno v:
Advances in Natural Sciences: Nanoscience and Nanotechnology. 13:035013
Magnesium is one of the most common metals in the Earth’s crust, so Mg(OH)2 nanomaterials made directly from magnesium metal have a wide range of applications. Mg(OH)2 nanosheets can be synthesised directly from Mg powder and H2O2 solution below 20
Autor:
Young-Woo Heo, Nguyen Thanh Nghi, Luong Huu Phuoc, Dang Tuan Son, Nguyen Hoang Minh, Cao Tien Khoa, Dang Duc Vuong, Nguyen Duc Chien, Vu Xuan Hien
Publikováno v:
Vacuum. 150:129-135
High-density and uniform CuO nanostructures are synthesized via the facile oxidation of Cu foil in aqueous NH4OH below 80 °C. The CH3COCH3 sensing properties of the synthesized materials are investigated at the operating temperature of 200–360 °C
Autor:
Vu Xuan Hien, Dang Duc Nhat, Cao Tien Khoa, Nguyen Thanh Nghi, Dang Duc Vuong, Luong Huu Phuoc, Nguyen Duc Chien
Publikováno v:
Materials Science in Semiconductor Processing. 126:105670
Vanadium pentoxide is recently known as a material with good gas sensing properties. This study proposes a simple method of synthesizing rolled sheet V2O5 nanomaterials directly from vanadium metal. By adjusting the processing temperature, the dimens
Autor:
Nguyen Thi Thu Ha, Vo Quang Hoan, Phan Dinh Quang, Thai Quoc Bao, Cao Tien Khoa, Ngo Tuan Ngoc
Publikováno v:
Journal of Physics: Conference Series. 1835:012058
In this work, we study and manufacture a number of mini generator models: “thermoelectric machines, hydropower plants and wind power generators” from easy-to-use, environmentally friendly materials. For each model, we provide structure diagrams,
Publikováno v:
AIP Conference Proceedings.
STEM education; the encompassment of the four fields including science, technology, engineering, and mathematics; is introduced to provide students with chances to confront and solve real world problems and situations. Literature has evidence that th
Autor:
Nguyen Thi Thu Ha, Thai Quoc Bao, Vo Quang Hoan, Cao Tien Khoa, Pham Hong Quang, Ngo Tuan Ngoc, Chu Viet Ha
Publikováno v:
Journal of Physics: Conference Series. 1340:012031
This work presents the study on teaching and learning about magnetic and electromagnetic induction phenomena integrated science, technology, engineering and mathematics (STEM) education in Vietnamese high schools for addressing issues of relevance an