单词：thermal spraying material
单词：thermal spraying material 相关文章
Campaign Begins to End Locust Plague 帮助马达加斯加消灭蝗灾 More than a year after a locust plague was declared in Madagascar, a control program finally is about to begin. Massive swarms of the insects have damaged or destroyed large areas
VOA常速英语2013年(九月)
Killing Mosquitoes Early On及早杀灭蚊虫预防疟疾 Targeting mosquitoes in their early stages of life has the potential to greatly boost malaria control efforts and prevent thousands of new infections every year. A new study looks at the effec
VOA常速英语2013年(九月)
China builds first tower-type solar-thermal power station BEIJING, Nov. 12 (Xinhua) -- The first tower-type solar-thermal power station in Asia has been built in northwest Beijing, chief of the program said on Monday. Wang Zhifeng, a researcher at th
英语新闻
Science and Technology 科技 Solar heat for oil wells 用于油井的太阳热能 Mirrors in glasshouses 温室的反光镜... can be used to heat stones ...能用于加热石头 THERE is a lot of energy from ancient sunshine stored in the oil that
经济学人科技系列
Ever wander through a supermarket and past the open refrigerated cases that house cream cheese, butter and OJ? The refrigerated shelves are protected by jets of air that blow across the front. These jets form an air shield to keep the warm air out. T
Scientific American(十一)月
This is the VOA Special English Development Report. Today we bring you a new take on an old tale. It's the story of the three little pigs and the big bad wolf that blew down a house made of straw and one made of sticks. The only house left standing
VOA慢速英语2009年（十）月
Dallas Continues Spraying in Fight Against West Nile Fever Many people in Dallas continue to work and play outdoors, but they are heeding warnings from health officials to protect themselves. Fifteen-year-old Macias says he has followed the news repo
VOA标准英语2012年(八月)
DAVID GREENE, HOST: We have been reporting on the rise of some really nasty diseases caused by tick bites - everything from Lyme disease to Rocky Mountain spotted fever. Well, now a new study is shedding light on an old technique to repel ticks that
2018年NPR美国国家公共电台7月
地点：美黑店内 人物：罗斯，店里的一位助手 事件：罗斯去做美黑，却在数数的时候出了问题。 Assistant: You've got to face the red light. When the red light goes on the spraying is about to start so close your eyes
英语PK台
Science and Technology 科技 Solar heat for oil wells 用于油井的太阳热 Mirrors in glasshouses can be used to heat stones 玻璃房里的镜子.....可以用来加热石头 THERE is a lot of energy from ancient sunshine stored in the oil that
经济学人科技系列
MEGAN THOMPSON: The Hawaiian island of Kauai is known as the garden isle, luring hundreds of thousands of tourists to its lush northern shores. But fewer make it down to the drier southwest side, home to many native Hawaiians, whove lived here for ge
PBS访谈环境系列
Today a new geo-thermal power station was opened in Kawerau, in the eastern Bay of Plenty. Geo means earth and therm means heat. The power station uses hot steam from the earth. Like the geo-thermal power station at Wairakei, which opened in the 1950
新西兰英语
Bill walked to the front door of his apartment. Someone had slipped a piece of paper under the door. It was a notice from the manager. They were going to spray his apartment for bugs. He didn't have any bugs. They would spray Friday morning. Friday m
原版英语小短文
HEALTH REPORT - W.H.O. Calls for Indoor Use of DDT to Control MalariaBy Caty Weaver Broadcast: Wednesday, September 20, 2006 This is the VOA Special English Health Report. A specialist in protective c
2006年慢速英语（九）月
It happens every summer: offices turn on the air-conditioning, and women freeze into popsicles. But until now, there was no data to understand why women felt cold and were slipping on cardigans while men just rolled up their sleeves at the same tempe
英语新闻
CANBERRA, Oct. 14 (Xinhua) -- Australian scientists have made the alarming discovery that sea levels have risen more in the past century than at any other comparable period in the past 6,000 years. Researchers from the Australian National University
英语新闻
Spraying Insecticide Indoors Reduces Spread of Malaria Researchers in West Africa have shown that spraying insecticide indoors can dramatically reduce malaria transmission. Efforts to develop a malaria vaccine have so far been disappointing, so progr
VOA标准英语2011年(十月)
DALLAS Officials in Dallas, Texas and the surrounding county of the same name are continuing to spray by land and air in an effort to suppress mosquitoes that spread the West Nile virus. Health officials have reported more than 200 cases of fever cau
英语新闻
As Uganda looks to eliminate malaria, the country is engaged in a debate(辩论会) over the use of chemicals such as DDT in some of the world's most malarial regions. In the district of Apac in northern Uganda, the risk of malaria is higher than any
英语新闻
有一种思念叫望穿秋水，有一种寒冷叫做忘穿秋裤。最近，全国各地的天气都变凉了，大家翻箱倒柜找出了尘封已久、又恨又爱的抗冻神物--秋裤。面对这种全世界恐怕只有中国人才穿的裤子，
英语口语