单词:destryctive distillation
单词:destryctive distillation 相关文章
Today's topic is active voice versus passive voice. Here's Brian from Iowa: It drives me crazy when people write in passive voice. How can I teach people how to tell the difference between passive and active voice and stay away from passive voice? Th
Treatments Proven Effective in Studies, Work in Real Life Too Evidence-based medicine means just what it says - treatments that have been shown in scientific studies to work. But studies are one thing - do these treatments work as well in real-world
Muslim Brotherhood Ready for More Active Role in Jordan From VOA Learning English, this is IN THE NEWS in Special English. The Muslim Brotherhood is one of the largest Islamic groups in the Arab world. For years, the Brotherhood has been banned in a
Steve Jobs was racing to ensure the Macintosh 乔布斯想要先声夺人 was the first personal computer to have icons on the screen. 确保Macintosh是第一台屏幕上有图标的个人电脑 But just before it was due to be unveiled, 而就在Ma
About one thousand years ago, war and famine forced the Hakka ancestors to depart from China's central plains, embarking on a collective southward migration. 上溯千年,因战乱和饥荒 客家人的祖先从中原腹地出发 开始陆续大规模
[Note: I originally covered this topic September 16, 2006. The transcript you see now on the page is a new version that was updated March 5, 2009. Some of the reader comments at the bottom relate to the earlier version.] Grammar Girl here. Today's to
Cooking is one big science experiment and chefs have been gaining fame for more explicit uses of scentific techniques and tools in the kitchen. Now, according to an article in the December issue of physics world, mixologists the folks behind the bar
Cooking is one big science experiment. And chefs have been gaining fame for more explicit use of scientific techniques and tools in the kitchen. Now, according to an article in the December issue of Physics World, mixologiststhe folks behind the bara
World Health Day Focuses On 'Active Aging' Shelby Harris just celebrated his 111th birthday. His secret? I try to live the right kind of life, he said. I try to live the truth, I love everybody and I want everybody to love me. Some experts say a posi
Brief Singular Life Inspires Creative Activists Artist, activist and photojournalist Dan Eldon lived a short, yet full, life expressing himself through photos, drawings and journals. He died almost two decades ago, at age 22, covering a story he beli
New Ebola Vaccine Proves Effective in Mice U.S. scientists have developed a new vaccine against the deadly ebola virus which has the potential to remain potent after years of storage. Ebola is one of the deadliest viruses known. It kills about nine o
Helper Serum Boosts Effectiveness of Flu Vaccine Vaccines against swine and avian flu can be made more effective by the addition of a helper serum known as an adjuvant. The finding from a new study could let vaccine makers stretch supplies and possib
SCIENCE REPORT – January 3, 2002: Seasonal Affective Disorder By George Grow This is the VOA Special English SCIENCE REPORT. Some people feel sad or depressed during the winter months in northern ar
One of the biggest challenges in fighting tuberculosis comes from new drug-resistant(抗药性的) strains of the disease. And one of the main reason those strains have developed is that TB patients often don't take their standard, 14-pill, course of
direct a./ad. 直接的(地)v. 指挥 direction n. 方向,方位 director n. 指导者,主任 directory n. 人名地址录,(电话)号码簿 disappoint v. 使失望 解析:disappointment n. 失望 d
oil field 油田 wildcat 盲目开掘的油井 percussive drilling 冲击钻探 rotary drilling 旋转钻探 offshore drilling 海底钻探 well 井,油井 derrick 井架 Christmas tree 采油树 cr
Something called the Danish Twin Study 一个叫丹麦双胞胎的研究表明, established that only about 10 percent 普通人在生物学允许的限度内的寿命, of how long the average person lives, 仅仅有百分之十 within certain bi
Those hours that with gentle work did frame, 时光老人曾用精雕细刻 The lovely gaze where every eye doth dwell, 刻出这众目所归的美颜, Will play the tyrants to the very same, 也会对它施暴虐于某一天, And that unfair whi
Brandy From Wine: How Alcohol Is Turned Into Brandy? 白兰地酿造工艺精湛,特别讲究陈酿时间与勾兑的技艺,其中陈酿时间的长短更是衡量白兰地酒质优劣的重要标准。干邑地区各厂家贮藏在橡木桶中的