熔盐裂解

美国有线新闻 CNN 历史上哪个国家活火山最多

What country has more historically active volcanoes than any other? 历史上哪个国家活火山最多? United States, Indonesia, Japan or Philippines? 美国、印尼、日本还是菲律宾? According to the U.S. Geological Survey, there are more

发表于:2018-12-20 / 阅读(51) / 评论(0)

CNN美国有线新闻2018年5月

SSS 2011-03-29

This is Scientific Americans 60-Second Science. Im Steve Mirsky. Got a minute? To keep your car purring, you have to change the oil. Such maintenance produces eight billion gallons of used motor oil annually. Some waste oil does get re-refined to pro

发表于:2018-12-24 / 阅读(83) / 评论(0)

Scientific American(三)月

2007-10-18, Molten Lava Lake - 熔岩湖

Called the hellhole of creation, the Afar Triangle lies at the junction of three continental plates which spread further each year. The oldest living lava lake and one of the lowest points on the planet. Geologists here can study the process that for

发表于:2018-12-30 / 阅读(124) / 评论(0)

国家地理2007年

Genghis Khan 成吉思汗 - 12

But despite the Mongol's attempts to master siege warfare, the Chinese were still much more advanced in their military technology. They responded by filling bombs with crude oil, molten metal, chemica

发表于:2019-01-02 / 阅读(61) / 评论(0)

成吉思汗

研究显示太阳能发电站使用熔融金属可能造价更为低廉

研究显示太阳能发电站使用熔融金属可能造价更为低廉 While water circulates in this scale model of a concentrated solar power plant, a full-size plant uses molten salt. 水在这种规模的太阳能集中发电厂循环时,这座实

发表于:2019-01-14 / 阅读(55) / 评论(0)

VOA标准英语2016年(三月)

研究显示太阳电站运行或拉低熔融金属价格

Study: Running Sun Power Plant With Molten Metal May Be Cheaper 研究显示太阳电站运行或拉低熔融金属价格 Power plants that work with concentrated solar power use special molten salt to convert the suns heat into steam which turns the

发表于:2019-01-14 / 阅读(47) / 评论(0)

VOA标准英语2016年(三月)

雅思阅读中的词义猜测

如果随便翻阅雅思阅读真题，我们常常会发现它涉及的词汇广度难度绝对不容小觑，甚至出现在GRE红宝书里的超强词汇也会频频亮相。于是，不少同学在初识雅思时都会产生畏难情绪，滋生出

发表于:2019-01-17 / 阅读(106) / 评论(0)

实用英语

英语听力：探索发现科学新发现：我们的大气层-9

We were left with this atmosphere made of molten rock and vaporous rock. It took millions of years for that atmosphere to fall out and to be replaced by an atmosphere made up of nitrogen and carbon dioxide and water vapour. These new gases came from

发表于:2019-01-23 / 阅读(52) / 评论(0)

探索与发现2014年

英语听力：自然百科冰冻星球前往地球尽头—22

Serious produce server Neser Balwich directs from the front seat while aerial cameraman Mike Calen controls the camera attached to the lows. Above 10,000 feet, the pilot must breathe oxygen through a passed tool beneath the nostrils. Approaching the

发表于:2019-02-15 / 阅读(112) / 评论(0)

自然百科2012年

英语听力：自然百科金星和水星旅行指南 Venus and Mercury-7

Like Mercury, the earth takes a beating from the sun's violent temper. Flares, sun storms and other solar hissy fits can cause electronic mayhem for the satellites that roam above our heads. Fortunately, the earth is protected from this radiation by

发表于:2019-02-15 / 阅读(176) / 评论(0)

自然百科2012年

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