炭黑计数器

EXPLORATIONS - Carbon Monoxide Poisoning is a Silent Killer

EXPLORATIONS - Carbon Monoxide Poisoning is a Silent Killer That Causes Death and Injuries Throughout the World By Marilyn Christiano Broadcast: Wednesday, November 02, 2005 (MUSIC) VOICE ONE: This is

发表于:2018-12-01 / 阅读(238) / 评论(0)

Explorations

英国学生科学读本第4期:黑铅

Lesson 4 Black-lead 第四课黑铅 What is the black-lead in your pencil made of? If you take a bit of the metal which we call lead, you will find that it is grey in colour, very heavy, and not at all like the black-lead in your pencil. But the lea

发表于:2018-12-18 / 阅读(153) / 评论(0)

英国学生科学读本

SSS 2011-09-28

This is Scientific American's 60-Second Science. I'm Amy Kraft. Got a minute? Out of control drivers aren't the only thing city cyclists have to worry about. New research suggests that cyclists are at increased risk of lung damage because of soot. A

发表于:2018-12-24 / 阅读(143) / 评论(0)

Scientific American(九)月

最In导购口语第91期:其他配饰 (2)

Conversation 2 A: May I help you? B: I'm looking for some gloves. A: Over this counter, please. What kind would you like? Wool, leather, or fur? B: Fur, please. A: And what color do you like? B: Any color except black and dark blue. A: Are these all

发表于:2018-12-25 / 阅读(109) / 评论(0)

最In导购口语

最In导购口语第113期:顾客需求

导购口语: I'd like to see the Apple computers. Do you have? 我想看看那苹果公司生产的电脑，有吗？ My office needs two copy machines. 我办公室需要2台复印机。 Here's a list of the items I want for my office: two boxes of

发表于:2018-12-25 / 阅读(125) / 评论(0)

最In导购口语

出国旅游口语一本通第38期:At the Hotel counter

第38期:At the Hotel counter X:Good evening，sir. X:晚安，先生。 Y:May I have the key for Room 358，please? Y:请给我358号房的钥匙好吗? X:Certainly.Oh，you have a message here. X:没问题。哦，这儿有人留言给你。 Y:Than

发表于:2018-12-26 / 阅读(196) / 评论(0)

出国旅游口语一本通

地道英语在线听-Carbon Footprint 碳足迹

How big is your carbon footprint? Neil: This is Real English from BBC Learning English. I'm Neil. Lily: 大家好，我是杨莉。 Neil: This is the programme in which we look at words and phrases that you may not find in your dictionary. Lily: 地道英语和大

发表于:2019-01-02 / 阅读(156) / 评论(0)

地道英语在线听

Texas Scientists Work to Reduce Carbon Dioxide Air Pollution

By Greg Flakus Scientists in Texas are trying to find a way of reducing carbon dioxide air pollution by capturing the gas, compressing it and then putting it underground. This technique could also yie

发表于:2019-01-03 / 阅读(130) / 评论(0)

VOA2004（下）--健康科技

VOA常速英语2007年-Britain Pledges Huge Carbon Emission Cuts by 20

By Tom Rivers London 19 November 2007 British Prime Minister Gordon Brown is urging all nations to rise to the challenges of combatting global warming, which he compared to the challenge of recovery after World War II. For VOA, Tom Rivers in London r

发表于:2019-01-11 / 阅读(150) / 评论(0)

VOA常速英语2007年（十一月）

胡敏读故事记单词—大学英语四级词汇(2)

胡敏读故事记单词——大学英语四级词汇（A字头）第5页 acceptance ~ accuse Mrs. Black has a savings account with a nearby bank, and recently she started to receive statements not

发表于:2019-01-11 / 阅读(112) / 评论(0)

英文语法词汇

VOA标准英语2011--Study: Reducing Soot is Fastest Way to S

Study: Reducing Soot is Fastest Way to Slow Climate Change A new study finds that reducing carbon-rich soot emissions could be the fastest and most economical way to slow climate change and protect human health. Those dust-like particles released in

发表于:2019-01-13 / 阅读(114) / 评论(0)

VOA标准英语2011年(九月)

TED演讲:树木之间如何交流(3)

Trees in real forests might also share information below ground. 在真正的森林中，树木可能还会在地下交流信息。 But this was really controversial, and some people thought I was crazy, 但这个想法其实挺有争议的，一些人

发表于:2019-01-18 / 阅读(134) / 评论(0)

TED演讲科学篇

科学美国人60秒 SSS 2016-8-13

If you've gone shopping for a car lately, you might have noticed that fuel economythe number of miles per gallonis creeping up. One reason is a more efficient type of fuel injection, called gas direct injection. Its a feature of half the new cars sol

发表于:2019-01-20 / 阅读(124) / 评论(0)

2016年Scientific American(八)月

【英语时差8,16】全球变暖的元凶--煤烟

Soot was cause for a different concern in another recent study. Scientists with the American space agency, NASA, suggest it as a major cause of global warming. The study says the problem is how soot interacts with snow and ice. Snow and ice have high

发表于:2019-01-22 / 阅读(97) / 评论(0)

英语时差8，16

Carbon monoxide kills 12 in NE China mine

HARBIN, Jan. 31 (Xinhua) -- Carbon monoxide has been blamed for the Tuesday deaths of 12 workers in a coal mine in northeast China's Heilongjiang Province, a local official said Thursday. Three workers entered the Yongsheng mine in Dongning County to

发表于:2019-02-08 / 阅读(176) / 评论(0)

英语新闻

Counter Offers 还盘

Ⅳ. Counter Offers 还盘 If a buyer does not agree with any or some of the transaction terms of a quotation or a firm offer, he sends a counter-offer. In the counter-offer, the buyer may show his disagreement to the certain term or terms and state

发表于:2019-02-14 / 阅读(216) / 评论(0)

实用英语

夏说英语新闻晨读第452期:餐饮废油能否帮助改善货轮污染?

本期内容： Couldchipfathelpdirtyshippingcleanupitsact? Theglobalshippingindustryisasbigacontributortogreenhousegasemissionsasaviation, andtheheavyfueloilthatpowersitsgiantvesselsisexceptionallydirty-packedwithsoot, blackcarbonandsulphur.InSeptem

发表于:2019-02-20 / 阅读(119) / 评论(0)

夏说英语新闻晨读

早安英文第452期:可别用white和black形容肤色了!

white／fair白皙 medium／whitetolightbrown中等／白色至浅棕 olive／moderatebrown中等棕色 brown／darkbrown深棕色 Skincareislikedieting.Youhavetoinvesttimeandeffort.Thereisnoinstantmiraclecure. 护肤就像是日常饮食。你需要倾

发表于:2019-02-21 / 阅读(188) / 评论(0)

早安英文

美语听力 English Cafe 307

Topics: Famous Americans: Booker T. Washington; things Americans believe are lucky; horribly versus terribly versus awfully; full tuition reimbursement; carbon copy Words: freedmen peer activism accommodating desegregation historically black universi

发表于:2019-02-23 / 阅读(124) / 评论(0)

美语听力 English Cafe

Policies, tech draw vision of low-carbon growth

BEIJING, Sep. 16 (Xinhuanet) -- Government incentives are important to pave a low-carbon road to economic growth, but companies that improve their industry models and technologies are the main players and also benefit receivers, noted officials and i

发表于:2019-02-25 / 阅读(160) / 评论(0)

英语新闻

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学英语单词

.cmv

A-weighted sound pressure level

accessory engineering design