单词:filtration irrigation
单词:filtration irrigation 相关文章
Passage 31 Water Pollution Water is very important to us. Factories and plants need water for industrial uses and large pieces of farmland need it for irrigation. Without water to drink, people die in a short time. Today most water sources are so di
Beijing will launch a pilot program to equip schools and kindergartens with air filtration devices. Smog has been a significant issue in the Chinese capital this winter. I was coughing just now, I always wear mask, from school to home. The air is cho
Agriculture Report - Irrigation Pioneer Wins World Food Prize 农业报道 - 滴灌技术开创者获得世界粮食奖 From VOA Learning English, this is the Agriculture Report in Special English. 这里是美国之音慢速英语农业报道。 A r
AS IT IS 2015-08-03 Sri Lanka to Use Wasted Rainwater for Crops, Power 斯里兰卡建新水资源管理系统用于农业灌溉 Sri Lanka plans to store and use a billion cubic meters of rainwater each year to support irrigation and power generation
AS IT IS 2015-11-27 Worries of Famine After Drought in Ethiopia 干旱之后的埃塞俄比亚面临饥荒 The people of Ethiopia were nearly wiped out by famine in the early 1980s when 400,000 died. The countrys government is seeking aid to make sur
This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Theres a Native American site in Ohio that appeared to be a fort. But recent discoveries by archaeologists at the University of Cincinnati show thats n
By Mario Ritter Broadcast: October 7, 2003 This is Doug Johnson with the VOA Special English Agriculture Report. Today we finish a two-part series. A listener in Brazil asked about 1)agroecology. This
出口经营权由审批制向登记备案制过渡the transition from an examination and approval system to a registration and recording system for the right to engage in export 出口配额export quotas 传统产业conventional industries 创新体系
This is the VOA Special English Health Report. Some people's ears produce wax like busy little bees. This can be a problem even though earwax appears to serve an important purpose. Experts say it protects and cleans the ear. It traps dirt and other
This is the VOA Special English Health Report. Some people's ears produce wax like busy little bees. This can be a problem even though earwax appears to serve an important purpose. Experts say it protects and cleans the ear. It traps dirt and other
Ear Care: Do-It-Yourself Wax Removal This is the VOA Special English Health Report. Some people's ears produce wax like busy little bees. This can be a problem even though earwax appears to serve an important purpose. It protects and cleans the ear.
Small-Scale Irrigation Nets Large-Scale Payoff A new study shows small-scale irrigation systems could boost farmers incomes by billions of dollars in sub-Saharan Africa and South Asia. The research was discussed at the World Water Week conference in
Irrigation Pioneer Wins World Food Prize Hillels orchards near his home in Israel are innovation in action. Each tree row is fed by plastic tubes which drip water at the base of the tree. Irrigating drop by drop - called drip irrigation - has transfo
AGRICULTURE REPORT -May 21, 2002: Irrigation and Salt By George Grow This is the VOA Special English AGRICULTURE REPORT. Irrigation is the watering of land by other than natural methods. Irrigation pr
AGRICULTURE REPORT - Experts Say Water Shortages Affect One-Third of World PopulationBy Mario Ritter Broadcast: Tuesday, August 22, 2006 This is the VOA Special English Agriculture Report. Water is sc
41 最新研究表明灌溉有助于增进健康 DATE=5-1-01 TITLE=AGRICULTURE REPORT - Irrigation and Good Health BYLINE=George Grow This is the VOA Special English AGRICULTURE REPORT. Irrigation is
China to spend massively on farmland improvement BEIJING, Sept. 6 (Xinhua) -- The government will spend 37.36 billion yuan(about 5.93 billion U.S. dollars) to improve the quality of farmland this year, the Ministry of Finance said Thursday. The fund,
By Tabinda Naeem Washington, D.C. 21 May 2007 Two years ago, the National Academy of Engineering established the Grainger Challenge Prize for Sustainability. This $1 million award was designed to challenge the world's scientists to develop a practica
Kenyan Farmers Going Green As scientists and political leaders around the world grapple with the issue of climate change, many farmers are looking at technologies that rely on renewable energy for their operations. Farmers in Kenya are now using two
以色列公司获得世界水周工业水奖 STOCKHOLM, Sept. 3 (Xinhua) -- Netafim, the pioneer and world-leading provider of drip and micro-irrigation technology, received the 2013 Stockholm Industry Water Award. The awarding ceremony was made dur