[化] 硫化物催化剂

A rooftop solar power project in Shanghai has become the first recipient in China of a loan from the New Development Bank, formerly known as BRICS Bank. 近日,上海的一个太阳能屋顶发电项目成为新开发银行(原金砖国家银行)

发表于:2018-11-29 / 阅读(113) / 评论(0) 分类 英语新闻

Everything that's alive and quite a few things that aren't, gives off heat. That's what you are looking at now. Every part of your body is burning up energy and creating heat as it goes about the busi

发表于:2018-12-07 / 阅读(67) / 评论(0) 分类 生命物语

I couldn't get over this mess. The federal government is confirming what Joan Glickman of Pompano Beach, Florida suspected all along. Tainted drywall from China is giving off a harmful gas that's turning her air-conditioning wiring black, causing it

发表于:2018-12-20 / 阅读(77) / 评论(0) 分类 cnn2009年(十一)月

This is Scientific American's 60-Second Science, I am Karen Hopkin. This'll just take a minute. Physicists study all kinds of curious things,from the missing matter in the universe to the strange behavior of electrons ,but none of this is quite as cu

发表于:2018-12-24 / 阅读(61) / 评论(0) 分类 Scientific American(六)月

Mercury Fillings Seem Safer over Time A study in the journal Chemical Research in Toxicology finds that mercury on the surface of dental fillings slowly turns to an inert sulfide compound, which should keep the mercury from harming the nervous system

发表于:2019-01-02 / 阅读(136) / 评论(0) 分类 60秒科学

5 Tips for Salary Negotiations in a Down Economy 在经济低迷时期协商薪资的5大方法 Even in a down economy, you can negotiate your salary -- whether for a new job, a promotion, or a raise in your current position. The key to a successful

发表于:2019-01-08 / 阅读(59) / 评论(0) 分类 实用英语

From VOA Learning English, this is the Health Lifestyle report. Garlic is one of the most common cooking ingredients around the world. Many dishes in Europe, Africa, Asia and the Americas use this strong-flavored vegetable. Garlic is similar to other

发表于:2019-01-12 / 阅读(115) / 评论(0) 分类 2016年VOA慢速英语(十二)月

Scientists at the Massachusetts Institute of Technology have turned to Mother Nature for inspiration, inventing a device that mimics photosynthesis, the process plants use to convert sunlight and water into usable energy. MIT chemistry professor Dani

发表于:2019-01-14 / 阅读(140) / 评论(0) 分类 VOA标准英语2011年(四月)

硕士研究生英语入学考试是一种水平测试、选拔测试,是为择优录取服务的教育测量手段。就阅读这一题型来说,据其在试卷中的分值比重、难易程度,所

发表于:2019-01-23 / 阅读(53) / 评论(0) 分类 考研英语

Black Tongues and Stomach Aches Don: Oh, no, Ya?l, I think I'm having a medical emergency. Quick! Call an ambulance. Ya?l: A medical emergency, Don? Are you sure? You look fine to me! D: But I'm not. This morning, I had a terrible stomach ache. And n

发表于:2019-01-26 / 阅读(67) / 评论(0) 分类 英语听力文摘 English Digest

Sewage stinks. But bacteria can make it smell better. Oh, yeah? That's true. Certain forms of bacteria feasting on sewage give off hydrogen sulfide, a really malodorous chemical, and one of several that give sewage its pleasing smell. In general this

发表于:2019-01-26 / 阅读(67) / 评论(0) 分类 英语听力文摘 English Digest

By Lisa Schlein Geneva 06 July 2007 Business leaders from 150 companies from around the world are calling for action on climate change. The leaders signed a declaration at a United Nations meeting, in which they committed themselves to reducing the d

发表于:2019-02-03 / 阅读(113) / 评论(0) 分类 2007年VOA标准英语(七月)

Love Don't Let Me Go- David Guetta You've got me dancin' and cryin' Rollin' and flying Love don't let me go You got me drownin' in a river Cold and in fever Love don't let me go Don't let me gooooooooooo...... You got me dancin' repeat x 2 (Don't le

发表于:2019-02-06 / 阅读(146) / 评论(0) 分类 音乐咖啡厅

Hilary Swank is something very rare in Hollywooda two-time Best Actress Oscar winner, she won for Million Dollar Baby of course in 2005 and it came just 5 years after winning for Boys Don't Cry, and she's back in theaters right now in a great movie,

发表于:2019-02-07 / 阅读(69) / 评论(0) 分类 访谈录

Tips for Explaining a Job Loss 在求职面试中,如果被问到以往失业的经历,你是否能应付自如? 电视节目上常用的借口为了得到更好的工作,并不适用于所有人。 Today, the words you're fired have become part of

发表于:2019-02-18 / 阅读(108) / 评论(0) 分类 实用英语