Thi viết IELTS

Real-time monitoring of quantitative precipitation distribution is essential to prevent natural disasters caused by heavy rainfall. This paper describes each process to introduce this QPE method to Viet Nam and indicates the results through the project. Future issues to improve its accuracy are also mentioned.

12p vibecca 01-10-2024 2 1   Download

Ben Tre province in Viet Nam must contend with the fact that the farming environment is deteriorating beccause of poor disease management practices, pond wastewater discharge, and bottom muck. The current state of extremely intense shrimp farming in Ben Tre province is depicted in this study.

9p vibecca 01-10-2024 3 1   Download

This paper presents the applying of sound barrier wall for highways in Viet Nam studied from existing experiments in the world. Nowadays, pollution sources come from traffic noises, water sources and air environment. Especially, traffic noises such as transportations, trains and airplanes are much serious and effect population and country. On road traffic systems, noise generated by vehicles is always in high level and give discomfort to residents who live around both sides of highways.

7p vibecca 01-10-2024 0 0   Download

The research "Solving constrained optimization tasks in civil engineering using εDifferential Evolution developed with Visual C#. NET" work aims at constructing an evolutionary algorithm based approach for solving complex constrained optimization tasks. The  -Differential Evolution (  -DE) proposed by Takahama, et al. [1], is selected as the employed evolutionary approach. The  -DE has been proven to be capable optimizer for tackling sophisticated problems in various engineering field. In this study, this optimization method is developed in Visual C#.

5p xuanphongdacy09 29-09-2024 1 1   Download

Air pollution is getting worse in Viet Nam in recent years, particularly in big cities. The most important source of pollution are traffic and industrial activities. The paper "A Review on Current Status of Urban Air Pollution in Ho Chi Minh city and Ha Noi" reviews air pollution situation in Ho Chi Minh city and Ha Noi. We also recommend policies to tackle the problem: (i) upgrade the national air quality standard, (ii) install systematic and high-quality network of monitor stations, and (iii) remove means of transport that unmet emission regulations.

11p xuanphongdacy09 29-09-2024 3 1   Download

The objective of the study "Smart tourism: A case study of Da Nang city" is to determine the best approaches related to Da Nang’s smart city and smart tourism. By using qualitative research methods of comparing and contrasting some experiences from various smart-tourism models of China and Korea, this study may be able to help Da Nang city improve its image significantly and foster guests’ experiences as well.

13p xuanphongdacy09 29-09-2024 3 1   Download

Seed propagation of Mycetia balansae Drake is not easy, due to low germination rate and low viability, so it is very rare in nature. In order to conserve this plant as well as to use for commercial purposes in cooperation with Tue Linh Co.Ltd, providing a large number of plants is necessary and in vitro tissue culture technology could be solve this problem. Therefore, the study on "Callus induction and plant regeneration in vitro from leaf explants of mycetia balansae drake" was carried out.

8p xuanphongdacy09 29-09-2024 3 1   Download

The principal objective of this investigation "An investigation into the lexical density and readability of Non-English majored first-year students’ writing at Hanoi National University of Education" is to evaluate the lexical density and readability in the writings of first-year Mathematics-majored students with dual major in English at Hanoi National University of Education. The study shows that students can only achieve the average level of both lexical density and readability, which suggests that they need to enhance their writing skills with more complex grammar and vocabulary.

5p xuanphongdacy09 29-09-2024 6 2   Download

mmune mediated necrotizing myopathy (IMNM) is a sub-type of inflammatory myopathies (IIM) that presents with significant muscle weakness, elevated creatine kinase (CK) levels and histopathological features of muscle fiber necrosis, with and without myositis specific antibodies. The aims of this study was to clarify clinical characteristics and autoimmune antibodies (Ab) of patients with immune-mediated necrotizing myopathy (IMNM) in Vietnamese patients.

5p viormkorn 27-09-2024 2 2   Download

Video - assisted thoracoscopic minimally invasive mitral valve replacement, associated with fast tract anesthesia and early extubation, was accepted in clinical practice. At Viet Duc University Hospital, we began to use this technique in January 2021. The purpose of this study is to evaluate the initial results.

6p vinatisu 29-08-2024 2 0   Download

This study examines the costs and benefits of traditional rice production as well as of different adaptation methods to saltwater intrusion in the Central Coastal region of Vietnam. Data is collected through a structured questionnaire at the farm household level, focus groups discussion and through key informant interviews. Our results indicate that traditional rice production becomes less profitable as the level of saltwater intrusion on the land plots increases.

18p toduongg 24-08-2024 3 2   Download

Pectus carinatum is the second most common congenital anterior chest wall deformity. This study describe the clinical, paraclinical characteristics and evaluate the early results of the modified Abramson technique to treat pectus carinatum at Viet Duc Hospital.

9p vinatisu 23-08-2024 2 1   Download

Tiếp nội dung phần 1, cuốn sách "Kinh tế học vĩ mô 1" Phần 2 được biên soạn gồm các nội dung chính sau: tiền tệ và chính sách tiền tệ; mô hình IS-LM và sự phối hợp chính sách kinh tế vĩ mô; lạm phát và thất nghiệp; kinh tế vĩ mô trong nền kinh tế mở. Mời các bạn cùng tham khảo!

195p khanhchi2560 17-05-2024 3 1   Download

In mathematics, a conic section (or just conic) is a curve obtained as the intersection of a cone (more precisely, a right circular conical surface) with a plane. In this paper "Some new identities on the conic sections", we construct some new identities and proposed the concept of the power of a point with respect to a conic.

12p runordie3 27-06-2022 7 3   Download

In this paper "Some new identities in combinatoric", the binomial numbers m n are very important in several applications and satisfy several number of identities. The purpose of this paper is to introduce a new combinatorial integer m,n j and obtain some algebraic identities by means of double combinatorial argument.

14p runordie3 27-06-2022 12 2   Download

In this work, the protective effect of ectoines against pH stress and high temperature has been investigated using an alkaline active xylanase from Bacillus halodurans as a model. The disaccharide, trehalose—a well-known stabiliser for biomolecules (Kaushik and Bhat 2003), has also been included in the study. The enzyme was selected as a model because it is efficiently active at high pH and is highly stable in the pH range of 5.5–10.5 at 50 °C.

8p runordie3 27-06-2022 11 2   Download

Aims and objectives of the study: This study is designed with an aim to improve students‟ writing performance of English by applying genre-based approach to teach writing skill to students.

56p closefriend09 16-11-2021 23 3   Download

The aim of this paper is to gain insight into the English lexical features of travel brochures written in Viet Nam, since there has been no previous research on this topic. The study is conducted to investigate the lexical aspects of travel brochures as a promotional text and in the context of Viet Nam, a non- native English speaking country in Southeast Asia.

72p closefriend09 16-11-2021 9 3   Download

This study is carried out with the aims of making the writer’s job easier when she works as a translator in Hoan Kiem dental clinic, Hai Phong city. Simultaneously, the study is the reference source for the people who are concerned about the dentistry industry.

75p closefriend09 16-11-2021 33 5   Download

Giáo án môn Tiếng Anh lớp 3: Tuần 21 (Theo Công văn 2345 của Bộ GD&ĐT) được biên soạn với mục tiêu nhằm giúp học sinh hỏi và trả lời được về các tiện nghi trong nhà; các mẫu câu: Is there a _____? - Yes, there is./No, there isn’t.; từ vựng: pond, yes/gate, yes/yard, yes/fence, no; đọc và điền vào đoạn văn có ô trống, sử dụng các từ được cung cấp; viết về ngôi nhà của họ, sử dụng các câu hỏi hướng dẫn,...

8p bachtudu 11-11-2021 54 2   Download