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2,623 results
Lê Văn Thảo
Journal article
Internal erosion is one of the main causes of instabilities within hydraulic earth structures. Four types of internal erosion can be distinguished: Concentrated leak erosion, backward erosion, contact...
Nguyễn Văn Tài, Phạm Hoàng Khoa, Nguyễn Văn Cương, Ngô Quang Hiếu, Huỳnh Thanh Thưởng
The aim of this study is to explore the optimum baths for trivalent chromium electrodeposition to obtain chromium coatings with a good morphology, and high current efficiency. Results show that, the c...
Huỳnh Trần Quốc Dũng, Phạm Ngọc Thạc, Huỳnh Lời, Nguyễn Thị Thanh Thủy, Văn Phạm Kim Thương
Radix Fallopiae multiflorae (HT) is a traditional medicine in Blood nourishment, Liver and Kidneys nourishment, laxative, hair recovery. Quantification of 2,3,5,4'-tetrahydroxystilbene-2-O-β-D-glucosi...
My Pham, Khanh-Toan Le
Top-base foundation (TBF) is a cutting-edge technology in construction area. It is in terms of increasing the load-carrying capacity of the ground, reducing settlement, especially the difference in se...
Kinetics and Degradation Mechanism of Cartap Pesticide by UV/Persulfate: Roles of Oxydizing Radicals
Nguyễn Tiên Hoàng
In this study, we applied the UV/PS process to Cartap degradation and studied the contribution role of oxidants to Cartap. Cartap was significantly degraded by the UV/PS system compared with the UV or...
Nguyễn Thanh Hải, Võ Tấn Thiện
Medical face mask is made of nonwoven and melt blown fabrics stacked in order. Nonwovens are basically polypropylene sprayed on a moving belt at a certain speed to generate stable thickness. Antibacte...
Trịnh Ngọc Đạt, Lê Văn Thanh Sơn, Đinh Thanh Khẩn, Lê Vũ Trường Sơn, Phan Liễn, Nguyễn Tấn Hưng, Huỳnh Thanh Tùng, Nguyễn Trọng Thành, Đặng Ngọc Toàn
B2O3-Bi2O3-Al2O3-ZnO (ZABB) glasses doped with 0.1% to 1.5% mol of Er3+ were prepared by melt quenching method. Measurements of X-ray diffraction (XRD) and energy dispersive X-ray spectroscopy (EDS) c...
Trần Văn Quang Phan Thị Kim Thủy
The study presents the experimental results of ammonium transformation by activated sludge process with the nitrification one. The study was carried out by using the artificial wastewater samples with...
Đỗ Minh Hải Nguyễn Phúc Khải
This paper presents the optimal coordination of directional overcurrent relays in the electricity distribution network using the Whale Optimization Algorithm (WOA). The objective of the coordination o...
Nguyễn Thị Bích Thủy, NguyễN Phúc Nguyên
This study aims to discover the factors preventing the acceptance of the destination management system (DMS) of small and medium enterprises (SMEs) in the tourism sector in Da Nang. A survey investiga...
Dang Vu Kien, Le Thi Minh Chau, Pham Quang Phuong, Pham Nang Van
This paper proposes a bi-level optimization model to maximize the net revenue of a power distribution company owning energy storage systems. Furthermore, the proposed model also takes into account the...
Trương Văn Mến, Ngô Thanh Hà, Dương Minh Hùng, Dương Ngọc Bích
The paper presents the results of the design, fabrication, and experimental evaluation of a fluted roller-type metering device applied for paddy seed rowing machines. The experimental results showed t...
Nguyễn Viết Cường, Nguyễn Đức Thụy, Lưu Hồng Dũng
This paper proposed a novel solution to improve the safety of the digital signature schema based on a new kind of thorny problem. It was built from the discrete logarithm and square root one in Galois...
Nguyễn Hoàng Mai, Tăng Văn Dũng
Solar electrical energy has been contributing a big power to our country's energy. The most difficult problem of solar PV is the sudden change in power due to cloud cover or other climate factors, pow...
Phan Thị Kim Phượng Phan Thị Hằng Nga, Nguyễn Thị Minh Xuân
-aminothiazole derivatives have shown considerable biological attention as demonstrated by a broad pharmacological activities such as antibacterial, antifungal, antiparasitic, anticancer antiinflammat...
Đỗ Đăng Thịnh, Vương Thị Kim Cúc, Trần Lê Diệu Linh, Hoàng Nhật Quy
In [1], the author has constructed the Harnack metric on the space and studied the conformal invariant as well as relations among the Harnack metric, the Bergman metric and the Carathéodory metr...
Phạm Quốc Phong, Thạch Mỹ Thuật, Lê Đức Đại
Currently, the design and manufacture of customized CNC milling machines are becoming more and more popular. The choosing and using of CAD/CAM/CNC software compatible with the configuration of the CNC...
Hoàng Văn Thạnh, Lê Văn Dương, Lưu Đức Bình, Trần Minh Sang, Đỗ Lê Hưng Toàn, Tào Quang Bảng, Trương Lê Duy Bảo
The dynamics of two-phase fluids are applied in fields from aerospace, automobile to industrial equipment. The two-phase microfluidic systems are widely used in the research, biochemical analysis or m...
Trần Quang Dần, Phạm Công Anh, Nguyễn Thị Thanh Trinh, Võ Châu Tuấn
Launaea sarmentosa is a potentially valuable medicinal plant and needs to be developed in cultivation as a crop. Seed germination is an important stage which establishes a successful growth of plants,...
Nguyễn Xuân Toản, Nguyễn Thị Kim Loan
This paper presents some analysis results of dynamic impact factor (DIF) of displacements in the reinforced concrete girder bridges under the effect of changing vehicle loads. The behavior of the brid...