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Water world

Xem 1-20 trên 26 kết quả 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%.

    pdf13p 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.

    pdf7p 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.

    pdf5p vikwong 29-09-2024 3 1   Download

  • Capacitive Deionization (CDI) has emerged as a promising and environmentally sound solution for addressing pressing water treatment challenges. This critical review meticulously examines the design, operational considerations, and performance metrics of CDI systems, particularly highlighting their significance in environmental applications under real-world conditions for handling different water sources such as groundwater, surface water, sea water.

    pdf22p vifaye 20-09-2024 1 1   Download

  • This research investigates an innovative approach to augmenting the current evaporation pond disposal approach used in Australia, and other regions around the world. The augmentation involves the incorporation of solar plate collector technology. The technology is widely used across the world to collect solar power to drive a range of commercial and domestic applications, most commonly solar hot water systems.

    pdf110p runthenight07 01-03-2023 10 3   Download

  • Lithium (Li) is the lightest metal, has unique physicochemical properties and is the main component of lithium-ion batteries. Rechargeable lithium-ion batteries play a very important role in maximizing the performance of electric devices and vehicles. It is predicted that the metal and mineral demand for lithium-ion batteries will increase 56 times by 2050. In order to meet the increasing demand, in addition to known methods, lithium recovery from geothermal waters has become a very popular research subject.

    pdf13p tanmocphong 29-01-2022 24 2   Download

  • Industrial garden is a new approach, especially for competition in increasing pollution in the atmosphere. It helps easily to beautify the industrial areas. The lawn laid in vacant lands not only adds beauty but also cut down dust. These gardens are designed to reduce pollution and beautify the world. These units are the most sources of air, water, noise and soil pollution.

    pdf7p chauchaungayxua11 23-03-2021 4 1   Download

  • Teach children to learn English is quite hard work and complex by young are not really conscious of learning as adults and most are very giddy. For children focused on lessons, teachers need teaching combined with vivid visuals, invite you to consult the lesson English 6 "Unit 11 - Our greener world" for further reference in the process of teaching English children.

    ppt16p dungvyqt2 29-11-2015 271 13   Download

  • Rice is one of the most important crop plants over the world. Our work studied on the physiological responses of rice seedlings (Oryza sativa cv. Dongjin) under drought condition by withholding water. In response to drought treatment, three-week-old rice seedlings exhibited typically morphological responses as leafs rolling and drying at 48 h after exposure to water deficit.

    pdf6p nganga_06 05-10-2015 72 4   Download

  • MDGs ra đời vào năm 2000 tại buổi họp của đại hội đồng LHQ; MDGs nhằm đảm bảo mục tiêu phát triển bền vững đã được khởi xường từ 1987; MDGs gom 8 muc tieu Nguồn: UN World Water Development Report (2003). Water for People, Water for Life. UNESCO Publishing and Berhahn Books, Barcelona.

    pdf18p boy_them_yeu 04-07-2013 83 14   Download

  • Nhiều nhà khoa học đã lên tiếng c.nh báo: do khuynh hướng sử dụng nước ở các mạch ngầm mà không dùng nước bề mặt ngày càng tăng trên thế giới, trong tương lai sẽ sinh ra đại dịch nhiễm độc arsenic vì nước mạch ngầm có hàm lượng arsenic cao. Hàng vạn người đã được phát hiện có những tổn thương ngoài da, nhiều người có ung thư do bị nhiễm độc mạn tính arsenic. Nhiều người trong số đó đã chết, và hàng trăm triệu người được coi là có nguy cơ cao. Theo một báo cáo của...

    pdf1p sunshine_6 02-07-2013 78 3   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:

    pdf111p lux_12 14-06-2013 114 35   Download

  • Thế giới sống động dưới đáy đại dương đã được lột tả qua các bức ảnh tuyệt đẹp, được chọn lựa từ 2 cuộc thi ảnh lớn. Các tác giả từ 20 quốc gia trên khắp thế giới đã gửi 5.000 tác phẩm ảnh tham dự 2 cuộc thi ảnh dưới nước danh tiếng là “Our World Under Water” và “Deep International Underwater”. Tổng giá trị các giải thưởng trong 2 cuộc thi là 120.000 USD, giải thưởng cao nhất từ trước tới nay cho cuộc thi ảnh dưới nước....

    pdf14p hongmon_1 10-06-2013 71 3   Download

  • The foundation of human health rests on healthy, stable ecosystems. Our biotic environment provides us with the fundamentals necessary for healthy lives—food, water, oxygen, warmth, light, and fuel. Earth's ecosystems also supply the raw materials for our health-care services. The global fraying of ecosystems has grave implications for our health and our ability to treat illnesses, now and in the future.

    pdf166p haiduong_1 28-02-2013 71 3   Download

  • Engineers . . .Build products such as cell phones, home appliances, heart valves, bridges, & cars. In general they advance society by building new technology. Develop processes, such as the process to convert salt water into fresh water or the process to recycle bottles. These processes change how we live and what we can accomplish.Decisions made by engineers usually have serious consequences to people often to multitudes of people.

    ppt58p hongthuy1994 26-12-2012 106 10   Download

  • As the global population grows and many developing countries modernize, the importance of water supply and water treatment becomes a much greater factor in the welfare of nations. In similar fashion, the need to address both domestic and industrial wastes generated by these nations moves higher on the scale of importance. Clearly, in today’s world the competition for water resources coupled with the unfortunate commingling of wastewater discharges with freshwater supplies creates additional pressure on treatment systems....

    pdf1357p tuananhhumg 13-10-2012 128 51   Download

  • It is estimated that approximately one-third of the world’s population are using groundwater for drinking purposes. Pollution of ground water due to industrial effluents is a major issue (Vasanthavigar et al., 2011). Poor groundwater quality brings negative impact to human health and plant growth. In developing countries like India, it is estimated that around 80% of all diseases are directly related to poor drinking water quality and unhygienic conditions (Olajire & Imeokparia, 2001; Vasanthavigar et al., 2011).

    pdf37p lulanphuong 28-03-2012 77 13   Download

  • “Earth is a unique planet, possibly one of the few in the galaxy that has water. Nearly 71% of it’s surface is ocean. From space, Earth is brilliantly blue, white in places with clouds and ice, sometimes swirling with storms. At it’s surface the ocean is in constant motion with powerful currents that stretch for thousands of miles and towering waves. Beneath the ocean’s surface lie hidden mountain ranges, vast trenches tens of thousands of feet deep, immense hot springs, and huge volcanoes spewing molten rock in massive eruptions.”...

    ppt37p thachthaoxanh 24-08-2011 59 7   Download

  • Mùa hè cho gia đình tại Singapore Khiêm tốn về diện tích nhưng lại ẩn chứa rất nhiều điều thú vị, Singapore luôn được xem là điểm đến hang đầu dành cho gia đình. Tại Singapore, gia đình bạn sẽ có những thời gian tuyệt vời và thú vị với những khoảnh khắc không thể nào quên. 1. Khám phá thế giới nước Under Water World Tọa lạc tại hòn đảo du lịch Sentosa, Thế giới nước là một không gian hoàn toàn khác lạ với cuộc sống của các sinh vật biển. Bạn có thể ngắm nhìn hơn 2.500 loài khác...

    pdf5p snailssmall4 15-05-2011 85 11   Download

  • Tea has existed as a beverage since 2000 B.C. The brewing, serving, and drinking of tea are time-honored rituals throughout the world. While there is general agreement that the tea trade began in China, both China and India lay claim to discovering the dietary properties of tea leaves. The Chinese tell the story of a mythical emperor named Shen Nung who was so particular about his nutrition that he boiled his drinking water before he drank it. One day, the story goes, the wind caught some of the leaves on the tree branches that he had used to build a fire.

    pdf7p phanquangthoai 14-11-2010 432 114   Download

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