Vietnam water world

The main purpose of the study is to clarify the virtual water trade relationship between China and Vietnam in the period from 2010 to 2021 by examining the specific water footprint of agricultural trade products derived from plants and animals for agricultural products which is the largest freshwater consumption in the world, accounting for about 70-95%.

13p vibecca 01-10-2024 0 0   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

Water is an important resource for human life. The lack of clean water in the world now becomes more serious. As a result, seawater desalination to produce fresh water is becoming indispensable. In recent years, hydrate-based desalination is a potential solution for the drinking water shortage issue. Recently, Cyclopentane (CP) is used as a hydrate former for desalination process via crystallization at low temperature and atmospheric pressure.

5p vikwong 29-09-2024 3 1   Download

Một chiến dịch chiêu thị muốn thành công có thể gồm nhiều bước. Nhưng tác giả Laura Lake đã tóm gọn lại 7 bước cơ bản để bạn có thể tạo ra 1 chiến dịch chiêu thị thành công. Khi xây dựng 1 chiến dịch chiêu thị, cần nhớ rằng, nó phải thống nhất tổng thể với 3 mục tiêu quyết định sau đây:

111p lux_12 14-06-2013 114 35   Download