单词：blackbody temperature
单词：blackbody temperature 相关文章
Cells cannot remain alive outside certain limits of temperature and much narrower limits mark the boundaries of effective functioning. Enzyme systems of mammals and birds are most efficient only within a narrow range around 37C;a departure of a few
新概念优美背诵短文50篇
Cells cannot remain alive outside certain limits of temperature and much narrower limits mark the boundaries of effective functioning. Enzyme systems of mammals and birds are most efficient only withi
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This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? As a bitter winter storm rages on the east coast, it's hard to knock being warm-blooded. But what about the metabolic cost of maintaining a high body-temperature? Well,
Scientific American(十二)月
减肥似乎是一个永远热门的话题，人们似乎永远也不会减少这个话题的热度，怎样才是最有效的减肥方式，节食还是运动？ Rob: Hello I'm Rob. Finn: and I'm Finn Rob: and this is 6 Minute English. In today's pr
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[00:04.78]Lesson 45 Dialogue [00:10.34]Eric,an Englishman,is visiting Charlie in the USA. [00:16.61]CHARLIE:How long are you planning to stay over here? [00:20.66]ERIC:I've got three weeks altogether.What do you suggest I see? [00:26.72]CHARLIE:What
高中英语人教版高三
Unit 8 Healthy Living In-Class Reading Set Your Body's Time Clock to Work for You 1 As the first rays of sunlight filter over the hills of California's Silicon Valley 1, Charles Winget opens his eyes.
新编大学英语阅读部分
The toucan's long bill has long perplexed biologists. Darwin theorized that it attracted mates. Other suggested uses ranged from fruit peeling to territorial defense. But a report in the July 24th issue of the journal Science offers another explanati
Scientific American(七)月
Cells cannot remain alive outside certain limits of temperature and much narrower limits mark the boundaries of effective functioning. Enzyme systems of mammals and birds are most efficient only within a narrow range around 37C; a departure of a few
考研背诵50篇
(woman) Before I tell you about the interesting discovery related to Tyrannosaurus rex, I need to review something we studied last semester --- the difference between what are commonly called cold-blooded and warm-blooded animals. In warm-blooded an
托福听力短文
The Bug Detectives Insects can accurately tell us when someone died. But their lifecycle is crucially affected by one factor above all: temperature. So sometimes, getting them to tell us their secrets
英语沙龙2004全年合辑下
SCIENCE IN THE NEWS - While Other Threats Make the News, Heat May Be Nature's Deadliest KillerBy Oliver Chanler and Nancy Steinbach Broadcast: Mon, 10 Jul 2006 16:00:00 UTC VOICE ONE: This is SCIENCE
2006年慢速英语（七）月
Some bacteria have adapted to super cold environments for millions of years. And scientists have isolated some of the essential genes that allow bacteria to tolerate their harsh living conditionsbecause these same genes might help in the creation of
Scientific American(七)月
英语短文：Cells and Temperature Cells cannot remain alive outside certain limits of temperature and much narrower limits mark the boundaries of effective functioning. Enzyme systems of mammals and birds are most efficient only within a narrow ra
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Body Temperature 体温 Our body temperature is usually 36.5 degrees. 我们的体温通常是36.5摄氏度。 When we are sick, our body temperature goes up. 当我们生病时，体温会升高。 Sometimes, a high fever is very dangerous. 有时，高
与美国小学生一起学英文第3册
Some bacteria have adapted to super cold environments for millions of years. And scientists have isolated some of the essential genes that allow bacteria to tolerate their harsh living conditionsbecause these same genes might help in the creation of
英语杂谈
VOICE ONE: This is SCIENCE IN THE NEWS, in VOA Special English. I'm Bob Doughty. VOICE TWO: And I'm Faith Lapidus. This week, we tell about health problems linked to extreme heat. We also tell about what to do to prevent and treat these problems. (MU
VOA慢速英语2007年（七）月
AS IT IS 2015-11-03 More of Us to Go Thirsty As Earth Dries Up Water supplies around the planet are running dry at an alarming rate. Scientists say the world is experiencing a shortage of fresh water. It will only worsen as the population grows and t
2015年VOA慢速英语(十一)月
While many of her colleagues have impatiently taken off theirthick winter clothes and put on flimsy coats to show their lovelycurves for spring, 28-year-old Lina Yang is reluctant to join thetrend. 很多同事都已经不耐烦的脱下了厚厚的冬
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What's sweat? 什么是汗水？ Your body works best when its temperature is about 37? Celsius. When your body gets hotter than that, your brain doesn't like it it wants your body to stay cool. So the part of your brain that controls temperature, ca
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1. SLEEP NAKED 1.裸睡 As well heating you up too much, pyjamas can also be a distraction with tangled drawstrings, bunched-up bottoms and constrictive t-shirts. Maintaining a cool body temperature allows anti-ageing hormone Melatonin to do its work
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