单词:saturated soil water content
单词:saturated soil water content 相关文章
Broadcast: August 4, 2003 This is Bill White with the VOA Special English Development Report. Safe drinking water has always been rare and valuable. Throughout the world, drinking water has to be stor
The U.S. state of California has been suffering a historic drought. Three years ago, its governor declared a drought state of emergency. Late last year, 97 percent of California was in drought. But today, the U.S. drought monitor says less than 60 pe
The northeast just had its first big snow of the season. Meanwhile, on Titan, it was foggy. That weather report brought to you by researchers publishing in the journal Astrophysical Journal Letters. The scientists found that Titan, Saturns largest mo
Water on the Moon Studies in the journal Science report that instruments on three different spacecraft have found evidence for widespread trace amounts of water on the moon. Karen Hopkin reports For all you space buffs who like to keep track of wher
Agriculture Report - Getting to the Root of How to Water Trees This is the VOA Special English Agriculture Report. Some trees can survive a long time without water. Think of trees that grow in the desert. But other trees may need more moisture than t
[00:00.00] Unit 6 Plants [00:04.60]A The chlidren are in a science lesson. [00:10.95]Look,listen and say. [00:15.31]1 We want to grow some tomatoes. [00:21.66]What does our plant need? [00:25.50]It needs a small pot of soil. [00:30.22]It needs a lot
Floods Challenge Midwest Farmers On his land outside Peoria, Darrel Kammeyer is keeping one eye on the rising Illinois River and another on the only thing standing between it and his farmland, a seven-meter-tall levee. It was constructed to hold back
六级作文在备考过程中既要多记忆一些词汇,又要多找话题,多练习自己构思作文的能力,下面就跟小编一起学习六级词汇,提升自己的作文水平吧! 一、自然、生态、环境 1.好词 (1)En
He loved his plants. His plants were in pots. There were 10 pots in back of the house. There were eight pots in front of the house. There was a different plant in every pot. No plants were the same. They were all different. They were all beautiful. I
Fog Found on Saturn's Moon Titan A study in Astrophysical Journal Letters reveals that Titan may be home to the familiar atmospheric condition known as fog--but made out of methane. Karen Hopkin reports The northeast just had its first big snow of th
He loved his plants. His plants were in pots. There were 10 pots in back of the house. There were eight pots in front of the house. There was a different plant in every pot. No plants were the same. They were all different. They were all beautiful. I
DEVELOPMENT REPORT – January 7, 2002: Storing Drinking Water By Gary Garriott This is the VOA Special English Development Report. Safe drinking water has always been rare and valuable. Throughout th
Will There be Enough Water for Everyone? As the global population grows, so does the need for water. The Worldwatch Institute says increased demands for food, energy and industry, along with climate change, could lead to water scarcity in some places
Low-tech Solutions Found for Africa's Everyday Problems 低技术含量的解决方案解决非洲日常问题 Governments of developing countries in Africa often lack the resources and infrastructure to solve the everyday problems of their inhabitan
RACHEL MARTIN, HOST: It used to be the only place to find great television was on the big broadcast networks, then cable was where all the best stuff was airing. More recently, Netflix and Amazon have been racking up the Emmys. And now Apple wants a
This is Scientific Americans 60-Second Science. I am Synthia Graber. Got a minute? Wander where and when the next major river flood would had, just look up to the satellites. Conventional estimates a river volumes come from rain fall of course and fr
AGRICULTURE REPORT - Compost: an Organic Way to Better Soil and Crops By Gary Garriott Broadcast: Tuesday, July 05, 2005 I'm Gwen Outen with the VOA Special English Agriculture Report. Many farmers im
AGRICULTURE REPORT - Simple Ways to Protect Water Quality By Mario Ritter Broadcast: Tuesday, July 26, 2005 I'm Barbara Klein with the VOA Special English Agriculture Report. Afghans wash carrots in d
US satellite observations have produced the first strong evidence for water flowing on Mars. 美国卫星观测找到了火星表面存在液态水的首批强有力证据。 The water is a brine saturated in salts such as perchlorates. As it seeps d