1 Kernel regression models developed with Visual C# .NET for data analysis in construction engineering = Các mô hình hồi quy dựa vào hàm nhân được phát triển với ngôn ngữ Visual C# .NET và ứng dụng cho phân tích dữ liệu trong ngành xây dựng / Hoang Nhat Duc, Nguyen Quoc Lam // .- 2023 .- Số 01(56) .- P. 47-53 .- 624

This research work relies on kernel regression methods for constructing nonlinear regression models. These models can be used to solve function approximation tasks in construction engineering. The newly developed software program was developed with the Visual C# .NET. The program has been tested with the task of estimating the punching shear strength of steel fibre reinforced concrete slab.

2 Two-scale convergence in Sobolev spaces for a two-dimensional case = Hội tụ two-scale trong các không gian Sobolev cho một trường hợp hai chiều / Tina Mai // .- 2023 .- Số 02 (63) - Tháng 4 .- P. 54-60 .- 510

We present some properties of the two-scale convergence in Sobolev spaces for a two-dimensional case.

3 Weak two-scale convergence in L2 for a two-dimensional case = Hội tụ hai-kích thước yếu trong L2 cho một trường hợp hai chiều / Tina Mai // .- 2021 .- Số 05(48) .- P. 88-92 .- 510

Present definitions and some properties of the weak two-scale convergence (introduced by Nguetseng in 1989) for component-wise vector or matrix functions within a two-dimensional case.

4 Strong two-scale convergence for a two-dimensional case = Hội tụ hai-kích thước mạnh cho một trường hợp hai chiều / Tina Mai // .- 2021 .- Số 05(48) .- P. 121-125 .- 510

Present definitions and some properties of the classical strong two-scale convergence for component-wise vector or matrix functions in a two-dimensional case.

5 Applications of Google OR-Tools in solving construction management linear optimization problems = Ứng dụng công cụ Google OR-Tools trong giải các bài toán tối ưu hóa tuyến tính trong quản lý dự án xây dựng / Hoang Nhat Duc, Nguyen Quoc Lam // .- 2021 .- Số 06(49) .- P. 3-7 .- 692

This study demonstrates the application of Google OR-Tools as a powerful, easy-to-use, and open source software suite in tackling linear programs. Herein, this open source tool has been integrated with Visual C# programming and the optimization models are formulated in Microsoft Visual Studio. Two optimization case studies are used in this study to illustrate the implementation of the Google OR-Tools.

6 Transition nodal basis functions in p-adaptive finte element methods = Hàm nút cơ sở chuyển giao dùng trong phương pháp phần tử hữu hạn thích nghi loại p / Nguyen Trung Hieu, Phan Quoc Hung, Mai Tina, Tran Xuan Linh // .- 2021 .- Số 06(49) .- P. 35-39 .- 510

Present two different approaches to define transition nodal basis functions that can be used to allow elements of different degrees on the same mesh in p-adaptive finite element method.

7 Compare transient stress induced in in-air and in-water laser ablation using simulation method = So sánh ứng suất tức thời sinh ra trong quá trình phá hủy bằng tia laser trong không khí và trong nước bằng phương pháp mô phỏng / Nguyen Thi Phuong Thao // .- 2021 .- Số 06(49) .- P. 46-49 .- 363

Simulate the laserinduced ablation in air and in water to compare the induced stress between the two ablation regimes First, the simulation is carried out to reconstruct the experimental images obtained by photoelasticity imaging technique for in-air and in-water ablation. Then, the Von Mises Stress is elucidated from simulation for each regime. The result confirms the stress enhancement effect of water layer and showed that the stress is increased by at least two orders of magnitude if the ablation is carried in water.

8 Study the stress enhancement effect of sacrifical coating in laser peening = Nghiên cứu hiệu ứng tăng cường ứng suất của lớp bọc bảo vệ trong phương pháp rèn bằng tia laser / Nguyen Thi Phuong Thao // .- 2021 .- Số 06(49) .- P. 50-53 .- 621

Photoelasticity images of laser peening using sacrificial coating were simulated by the Finite Element Method. The Von Mises stress distribution in the coated target is deduced from the simulated images and is compared with the stress-induced in the non-coated target. The result shows that sacrificial coating can enhance the induced stress by a factor of 1.2.

9 Shock waves emitted at the collapse of a laser-induced cavitation bubble in the vicinity of a free surface = Sóng xung kích sinh ra tại thời điểm nổ bóng khí trong điều kiện có bề mặt thoáng gần kề / Nguyen Thi Phuong Thao, Tran Ngo // .- 2021 .- Số 06(49) .- P 54-57 .- 621

The observation was conducted using high-speed laser stroboscopic videography in photoelasticity mode. We showed the bubble contracted faster in the vertical direction and formed a flat bubble at the minimum contraction. At the collapse, the bubble emitted multiple shock waves. The dynamics of the bubble during contract phase and the emission of multi shock waves were discussed in details.

10 An investigation into difficulties in learning Conference Interpretation encountered by English-majored students at Duy Tan University and strategies to cope with = Nghiên cứu những khó khăn trong quá trình học môn Dịch Hội Nghị của sinh viên chuyên ngữ / Nguyen Thi Bich Giang, Nguyen Thi My Duyen // .- 2021 .- Số 06(49) .- P. 71-81 .- 420

This study aims at investigating students’ difficulties that often occur in learning Conference Interpretation and give some suggested solutions. Hopefully, the study will help learners find out and overcome their problems in learning this subject.