单词:polymer-poor plase
单词:polymer-poor plase 相关文章
Delegates from the People's Liberation Army say military preparedness should be enhanced against threats to national sovereignty. They echoed Hu Jintao's report to the CPC National Congress in their group discussion. The PLA delegates highly commen
Unit 3 Parks and places in china. [00:05.79]单元三 公园和安置在瓷器里。 [00:08.67]Point and say [00:10.20]指出并且说 [00:11.73]1 Tiananmen Sauare 2 YuGarden [00:15.56]1 天安门 2 禹花园 [00:19.38]3 West Lake 4 San Ya [00:22.87]
This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Are your car bumpers riddled with scars from encounters with tight parking spaces? Did the furniture movers scratch your floor? Wouldn't it be great if t
This is Scientific American's 60-Second Science. Im Cynthia Graber. This will just take a minute. Buildings consume about a third of the energy and two-thirds of the electricity in the U.S. Roofs are a good place to try to cut those figures. Because
Most of us blink without thinking. But people whove sustained strokes or combat injuries can lose their ability to blink. Which is important for lubricating and cleaning the eye. Surgery is an optiona small piece of muscle transplanted from the leg c
avulse, vt (由于意外事故或通过外科手术)把(身体的一部分)撕脱;抽出 【反】link(vt 连结);suture(vt 缝合)
Sunscreened Plants 遮光植物 A NASA researcher is finding that alfalfa plants grow more poorly when exposed to UVB -- ultraviolet B radiation from the sun. Learn more about sunscreened plants -- today on Earth and Sky. JB: This is Earth and Sky. Eart
Lowering the Ceiling on Roof Energy Losses Buildings consume about a third of the energy and two-thirds of the electricity in the U.S. Roofs are a good place to try to cut those figures. Because traditional black asphalt roofs heat up in summer and s
The One With Five Steaks and an Eggplant 本集简介: Chandler gets calls from an intriguing woman (Jade) looking for someone named Bob. On the phone, he pretends to be Bob and arranges to meet her, so he can console her when Bob stands her up. The
This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute?. [Spray sound.] Killing bugs? No. [Spray sound.] Deodorizing the bathroom? No. [Spray sound.] Checking for explosives, yes. Because chemists at the University of Califor
Patients undergoing coronary bypass surgery need implants of new, healthy blood vessels. So do those who receive repeated hemodialysis due to kidney failure. The best option is to use the patient's own veins or arteries, but thousands of patients don
This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Solar cells convert sunlight to electricity. But they don't take advantage of all that solar heat, thereby missing out on the majority of the solar ene
Research Breakthrough for Biodegradable Tires? 研究人员研发完全可降解轮胎 Researchers say they have created a new synthetic rubber that could be used to make biodegradable tires. A team at Texas AM Universitys campus in the Gulf nation o
By Karem Sa'id Cairo 25 February 2007 Tourists to Egypt are no doubt familiar with the felucca, a timeless sailboat. Egyptians, however, use the word felucca for another kind of boat on the Nile - a motorboat that blares popular music. Karem Said re
'Smart' Bandages Could Heal Wounds More Quickly 智能绷带有助更快治愈伤口 Simple bandages are usually seen as the first line of attack in healing small to moderate wounds and burns. But scientists say new synthetic materials with embedded
The People's Liberation Army is marking the 91st anniversary of its founding on August 1, 2018. This year's anniversary comes amid continued national reforms under the leadership of Xi Jinping, who heads the CPC Central Committee and the Central Mili
By Phuong Tran Dakar 05 April 2007 Watch Corner Kitchen report According to most poverty indicators, almost half the population of Sub-Saharan Africa is living on less than one dollar a day. One Senegalese food stand owner shows how far a dollar goe
The People's Liberation Army has finished an exercise in waters in Southeast China. The drill was to test landing operations and an integration of combat capabilities. Soldiers were selected from around a dozen categories of troops. They were reshuff
BEIJING, Aug. 1 (Xinhua) -- The major part of China's armed forces, Chinese People's Liberation Army (PLA), has targeted on building up a defense might capable to handle threats in multidimensional battlefields. Celebrating the PLA's 82th founding a
Volunteers equipped with nothing more than digital cameras are taking part in an unusual bee hunt. It's part of an environmental study that has amateur photographers documenting the impact of climate change, pollution and other factors on the interpl