Formation

In this paper, we propose an effective AMC using deep learning (DL) for flexible and adaptive OFDM-based optical networks. The proposed DL-based AMC is able to classify four typical modulation schemes such as binary phase-shift keying (BPSK), quadrature PSK (QPSK), 8-PSK, and 16- quadrature amplitude modulation (QAM) in dynamic network conditions.

6p viengfa 28-10-2024 3 2   Download

Basalt rocks are a common geological formation that plays a crucial role in various engineering applications, such as construction, infrastructure development, and geotechnical engineering.

15p viengfa 28-10-2024 4 2   Download

In this work, we employ Moiré lattices generated in a high-order nonlinear material to investigate the existence of topological solitons under diverse geometries, which are controlled by the twisting angle of sublattices. The formation of solitons in both commensurate and incommensurate Moiré lattice configurations allows us to explore deeper into the impact of geometric transitions on soliton stability and localization.

9p vimitsuki 30-03-2025 1 0   Download

Tài liệu "Basic Grammar in use: Word formation (Cấu tạo từ)" giúp người học hiểu cách tạo ra các từ mới trong tiếng Anh thông qua các quy tắc như thêm tiền tố, hậu tố hoặc ghép từ. Việc nắm vững cấu tạo từ giúp mở rộng vốn từ vựng và nâng cao khả năng đọc hiểu. Ngoài ra, hiểu rõ cách hình thành từ còn giúp cải thiện kỹ năng viết và sử dụng từ vựng chính xác hơn. Mời các bạn cùng tham khảo tài liệu để nắm vững quy tắc cấu tạo từ.

21p tinhtamdacy000 11-03-2025 3 1   Download

This research was conducted at a public university in Vietnam where project-based learning (PBL) has been integrated into various courses. Notably, this marks only the second instance of PBL being used in a blended learning format, an area that remains underexplored. The study seeks to examine both students' and teachers' perceptions of the effects of PBL, specifically through the implementation of a Magazine Project within a blended translation course.

10p viyuhi 26-03-2025 4 1   Download

The formation and development of large-scale structures are primary research subjects in the study of turbulent mixing layers. Visualizing these structures based on published experimental data enhances the understanding of complex flow behaviors, which is the main objective of this article. The authors employed a two-point statistical correlation method to evaluate the size of large vortex structures along the interaction region.

15p viyuhi 26-03-2025 1 0   Download

The first principle calculation was employed to investigate the formation energies and structural, electronic, and magnetic properties of intrinsic and Ni-doped sodium bismuth titanate Bi0.5Na0.5TiO3(BNT). The obtained formation energies indicate that Ni atoms prefer to dope into Bi-sites in the lattice of BNT while the calculated band structure shows that the doping leads to the emergence of new midgap energy states in the bandgaps, reducing the bandgap value of doped materials.

10p viaburame 14-03-2025 3 1   Download

Photoluminescent composites consisting of a photoluminescent material dispersed in a suitable matrix have been applied in many applications, such as light-emitting diodes, solar concentrators, and anticounterfeiting inks. In this study, we have demonstrated a one-step method to prepare homogeneous composites by inducing the formation of in-situ photoluminescent centers in a stable matrix.

8p viaburame 14-03-2025 0 0   Download

This study introduces a solution that applies document analysis and recognition technologies to enhance document accessibility for individuals with visual impairments. The objective is to develop an algorithm capable of accurately analysing the content of document components and converting them into voice format.

14p viaburame 14-03-2025 4 1   Download

This paper endeavours to give an analysis of contractual liability under the 2005 Vietnamese Commercial Law from the perspective of the CISG. By highlighting similarities and differences, the article aims to provide insights for Vietnamese businesses and judicial bodies in selecting and applying appropriate laws for contract formation, execution, and dispute resolution.

6p tuongmotranh 18-03-2025 4 1   Download

This paper aims to study the role of human capital accumulation in the growth of the digital transformation economy by investigating the interplay between human capital formation and the effects of tax policies from government spending on human beings.

7p viengfa 28-10-2024 1 1   Download

This paper presents a comprehensive investigation into the optimization of exciplex emission in organic light-emitting diodes (OLEDs). Through a systematic exploration of various combinations of hole-transporting materials (HTMs) and electron-transporting materials (ETMs), we elucidate critical factors influencing exciplex formation and its impact on OLED performance.

5p viyamanaka 06-02-2025 1 1   Download

This study aims to compare the performance of two models: Random Forest (RF) and Decision Tree (DT). By evaluating their accuracy and efficiency in predicting the Poisson coefficient, this study seeks to determine which model offers superior performance and robustness for this application.

11p viyamanaka 06-02-2025 4 2   Download

Hoàn toàn miễn phí không giới hạn thời gian sử dụng, không giới hạn số lượng môn thi và đề thi số lượng câu hỏi bằng Microsoft Word với format đơn giản. Có thể nhập (import) toàn bộ đề thi (nhiều câu hỏi ) một lần vào phần mềm từ file word sẵn có hoặc có thể nhập từng câu hỏi từ phần mềm nên có thể in đề thi hoán vị chỉ sau một vài chuẩn bị rất đơn giản Quản lý trên database toàn bộ các kỳ thi, các môn thi và đề thi để có thể truy...

32p hung113149 08-02-2012 218 44   Download

Định dạng ký tự. Lệnh Format\Font: Các bước định dạng ký tự:
Chọn khối văn bản muốn định dạng,  Chọn lệnh Format\Font (hoặc chọn định dạng trên thanh Formatting (nếu có) hoặc sử dụng phím tắt của lệnh (nếu có)), sẽ mở hộp hội thoại Font. (Hình V-1) Chú ý: Chọn định dạng trên thanh Formatting bạn có thể xem lại lệnh View\Toolbars\Formatting ở mục 5 phần b menu View.

40p trungnq2012 19-08-2012 165 25   Download

The objective of this study was to determine the optimal Indole-3-butyric acid (IBA) and 1-naphthaleneacetic acid (NAA) concentrations appropriate for root formation from shoot samples in in vitro condition and the optimal substrate mixing ratio appropriate for the growth of Mai vang HD01 line during the nursery stage.

14p tuetuebinhan000 23-01-2025 3 2   Download

The study including two experiments was arranged in a completely randomized design with two factors. For callus induction, the culture medium supplemented with concentrations of TDZ combined with concentrations of NAA was used, while to induce shoots, concentrations of BA combined with concentrations of NAA were added to the medium.

12p tuetuebinhan000 23-01-2025 2 2   Download

Atrophic scars are the result of natural healing leading to the formation of replacement fibrous tissue. The atrophic scar is a common undesirable complication of acne, chickenpox, herpes, trauma, etc. Although the disease does not cause dangerous complications, due to the location of the lesions on the face, it causes great aesthetic and psychological obstacles, and the patient is less confident in communication, profoundly affecting the patient's quality of life and labor productivity.

6p vinara 11-01-2025 2 1   Download

Medicinal plants play an important role in the alternative or complement therapy to manage of urinary stones at this time. Terminalia genus was proved anti-urolithiatic activity via in vitro inhibition of calcium oxalate formation. Among the samples, Terminalia catappa showed as a potential plants for this activity in India. Moreover, they were a common plant species in Vietnam and there was no research on this topic in our country.

7p vinara 11-01-2025 2 1   Download

Blended learning offers opportunities for the complexity of learning in clinical education. Student peer assessment is widely used as a form of formative assessment in early clinical exposure programs, especially clinical communication skills training. This study aimed to describe clinical communication skills competencies of second-year students and to identify the relationships between peer and faculty assessment of communication skills in a blended learning program format.

6p viharuno 03-01-2025 4 2   Download