Kỹ Thuật - Công Nghệ - Đồ án, luận văn, đề tài, do an, luan van, de tai

Assessment of the environmental current state at khanh hoa coal company of vinacomin – viet bac mining industry holding corporation
Coal mining activities in Vietnam, on the one hand bring economic efficiency, also cause environmental impacts, especially dust, noise, emissions and wastewater. The article used the method of collecting, analyzing, synthesizing documents, the method of field investigation, the method of sampling analysis and data processing to assess the curr...
8 trang | Chia sẻ: thanhuyen291 | Ngày: 11/06/2022 | Lượt xem: 624 | Lượt tải: 0
Research on the Vulnerability of the Community to Flood: A Case Study at the Downstream of Gianh River, Quang Binh Province
Flood is a frequent natural disaster which has a negative impact on the socio-economic activities of the community in the lower Gianh river area - one of the most vulnerability areas under the flood in the North Central Region, Vietnam. The aim of this paper is to assess the risk of flooding in the study area as well as point out the factors tha...
12 trang | Chia sẻ: thanhuyen291 | Ngày: 11/06/2022 | Lượt xem: 578 | Lượt tải: 0
Nghiên cứu khả năng xử lý rác thải sinh hoạt hữu cơ bằng mô hình thùng rác có sử dụng giun quế
Bài báo này trình bày kết quả nghiên cứu thiết kế và vận hành thử nghiệm mô hình thùng rác xử lý rác thải sinh hoạt hữu cơ hộ gia đình có sử dụng giun Quế. Các thành phần cấu tạo của mô hình gồm có: (1). Vỏ thùng rác: được làm từ thùng nhựa HDPE có thể tích V = 200 L, DxH= (40x80) cm, có tạo các khe và trồng rau ngót xung quanh. (2). Lõi thùng...
8 trang | Chia sẻ: thanhuyen291 | Ngày: 11/06/2022 | Lượt xem: 524 | Lượt tải: 0
Domestic solid waste iventoring and assessment of management in vu quang district, ha tinh province
The purpose of this study are propose the solutions and evaluate the arise of daily life solid waste evaluate in Vu Quang district; evaluate the current situation of waste collection, transportation and treatment of daily life solid waste in Vu Quang district in the period of 2018- 2021. The research methodology are collecting information, fiel...
10 trang | Chia sẻ: thanhuyen291 | Ngày: 11/06/2022 | Lượt xem: 456 | Lượt tải: 0
Assimilation of Sea Surface Temperature data for Central Vietnam’s Water Using Regional Ocean Modeling System (ROMS)
This paper presents the preliminary results of SST data assimilation for the Central Vietnam’s water using Regional Ocean Modeling System (ROMS). ROMS was used to assimilate with high-resolution SST from satellite with 4D-PSAS assimilation technique. Multi-scale Ultrahigh Resolution (Mur) SST dataset which combines satellite and microwave data wa...
9 trang | Chia sẻ: thanhuyen291 | Ngày: 11/06/2022 | Lượt xem: 641 | Lượt tải: 0
The Updated Change Trend of Sea Wave on Vietnam East Sea
The annual mean SWH trend of the East Sea in Vietnam is studied and evaluated based on data observed from the oceanographic stations and altimetry data from AVISO’s satellite. Oceanographic observed data analysis results show that the annual mean sea wave height decreases about 12,79 mm/year. Altimetry data (2009 – 2019) indicates that the annua...
10 trang | Chia sẻ: thanhuyen291 | Ngày: 11/06/2022 | Lượt xem: 344 | Lượt tải: 0
Numerical Simulation of the Impact Response of Super Typhoon Rammasun (2014) on Hydrodynamics and Suspended Sediment in the Gulf of Tonkin
In the present study, an open-source coupled numerical model based on Delft3D source code was performed and applied to simulate the hydrodynamic changes due to the Super Typhoon Rammasun in the Gulf of Tonkin (GTK). The results indicated that the typhoon strongly affects the current, water level, wave fields, and suspended sediment transport in ...
15 trang | Chia sẻ: thanhuyen291 | Ngày: 11/06/2022 | Lượt xem: 439 | Lượt tải: 0
Case Study of Using the Blending Radar-Numerical Weather Prediction Product in Nowcasting
In the very short-range forecast (less than 12 hours) of heavy rain and severe thunderstorms, the main challenge is primarily on tracking and predictingng of growth and decay of significant convective systems. With the advances in nowcasting techniques, analysis and nowcasting of heavy rain and thunderstorm from radars and satellites have been i...
10 trang | Chia sẻ: thanhuyen291 | Ngày: 11/06/2022 | Lượt xem: 535 | Lượt tải: 0
Study on Ozone Variation and its Relation with Solar Radiation in Vietnam Using Satellite Observation
Ozone and ultraviolet radiation (UV) make direct influences on human health on the Earth. Various satellites have been launched for collecting data of these two parameters. In this study, observations of daily average of total ozone and ultraviolet radiation by OMI satellite (Ozone Monitoring Instrument) are processed and compared with surface m...
9 trang | Chia sẻ: thanhuyen291 | Ngày: 11/06/2022 | Lượt xem: 489 | Lượt tải: 0
Application of Urban Hydrology Model and Green Design for the Drainage System of Ha Tinh City
Ha Tinh is recently awarded the certification of second-class city, along with strong socioeconomic development, meanwhile, infrastructure issues are still a matter required proper investment. In the past 5 years, despite being invested to expand and renovate urban drainage systems, floods remain and tend to be more complicated. In this study, Mi...
13 trang | Chia sẻ: thanhuyen291 | Ngày: 11/06/2022 | Lượt xem: 624 | Lượt tải: 0

Đồ án, luận văn, do an, luan van