单词:vacuum processed concrete
单词:vacuum processed concrete 相关文章
How often do you eat meat? Do you recycle? Do you drive a car? Depending upon your answers, you may have a big or small ecological footprint. An ecological what? Of course we all have footprints. We leave them in the mud or after stepping in a puddle
She inspected the carpet for small items. She saw a paper clip and a rubber band. She picked them up. She put them into a little box on the kitchen counter. She plugged in the vacuum cleaner. She turned on the switch. The cat ran out of the room. She
Researchers: Recycled Concrete's Time Has Come SOUTH BEND, INDIANA Recycling in the construction industry has become big business. It's easy to find new life for everything from old windows to wood beams. But until now, concrete the most widely used
Oliver went to Target to buy a new vacuum cleaner. The vacuum cleaners at Target cost $60 to $500. The expensive ones were too bulky and, of course, too expensive. He bought the cheapest one in the store: a Dirt Devil Vibe. Its label claimed that it
Concrete is one of the most widely used materials on the planet. And this consumption comes with a heavy ecological price. Rouzbeh Shahsavari, a materials scientist at Rice University. Around 5 to 10 percent of total CO2 emissions comes from concrete
This is Scientific American 60-Second Science. I'm Cynthia Graber. This will just take a minute. The fridge is one of your home's biggest energy hogs. Better insulation can make refrigerators much more efficient. And a panel encasing a vacuum is one
As most parents, I am concerned about what my children eat. Do they eat healthy food, and if they do, do they eat it consistently? And what about me? Am I careful about what I put in my body? It will, in time, influence my health and those around me.
Grammar Girl here. Todays topic is cement versus concrete. Guest writer Sal Glynn writes: Accuracy is important. You might think concrete and cement are interchangeable, but you'll quickly find that you're mistaken when some guy at Home Depot rolls h
Last month, China banned imports of some waste materials that can be reused in manufacturing. The move is forcing other countries to rethink their policies on recycled waste. Before the ban, China was the first resting place for about half of the wor
In-Store Training on Healthy Food Choices 商店提供健康食品选择培训 Processed foods are often among the products with lowest prices in American supermarkets. But processed foods often have high levels of salt, sugar and saturated fat. Too
Volunteers Help Revive LA's Concrete River Thousands of volunteers turned out on a recent weekend to remove the trash that has been deposited by winter rain storms. The Los Angeles River was lined with concrete in the late 1930s and 1940s, after year
DEVELOPMENT REPORT - Long-Life Concrete Bridges By Jill Moss Broadcast: Monday, June 07, 2004 This is Robert Cohen with the VOA Special English Development Report. Each year, road accidents kill a mil
今天我们要学的词是concrete。 Concrete具体的,实质性的。美中战略与经济对话星期二结束。美联社报道说,The United States and China ended two days of high-level talks with few concrete results, 美中结束了为期两
The bar owner was upset. His best customer was in the hospital. He had a head injury. What happened? the owners wife asked. He said, He drank too much. When he went outside, he fell down. His head hit the sidewalk. Now he's in the hospital. This isn'
GWEN IFILL:Finally tonight: how technology has changed the foods we eat. Hari Sreenivasan has our book conversation. HARI SREENIVASAN:Human eating habits have changed more in the past century than in the previous 10,000 years. In the U.S., Americans
GWEN IFILL: But, first, as you have probably heard in a headline or two by now, it was a sobering day for meat lovers, especially in a country that ranks second in the world for eating the most meat. William Brangham has the story and some perspectiv
Over the past few months, Ive written a number of times on how nutrition recommendations are seldom supported by science. Ive argued that what many people are telling you may be inaccurate. In response, many of you have asked me what nutrition recomm
PARIS, Oct. 26 (Xinhua) -- The International Agency for Research on Cancer (IARC) of the World Health Organization (WHO) classifies the consumption of red meat as probably carcinogenic to humans, the IARC said Monday. The conclusion was made based on
MANILA, Oct. 29 (Xinhua) -- Department of Health on Thursday called on the public to observe a balanced diet, three days from a World Health Organization report warned against red and processed meats. Assistant Secretary Gerardo of the department tol
Over the past few months, Ive written a number of times on how nutrition recommendations are seldom supported by science. Ive argued that what many people are telling you may be inaccurate. In response, many of you have asked me what nutrition recomm