[化] 隐吡咯; 2,4-二甲基-3-乙基吡咯

Cryptocurrency Traders Use Old Gold to Interest Islamic Investors

Dubai is the top center for gold trade in the Middle East. In Dubais old gold market, buyers from around the world argue over prices for jewelry. But in other parts of the United Arab Emirates (UAE), the metal is becoming important in financial engin

发表于:2018-12-08 / 阅读(423) / 评论(0)

2018年VOA慢速英语(四)月

VOA慢速英语-EXPLORATIONS - National Cryptologic Museum Is Filled

VOICE ONE: This is Mary Tillotson. VOICE TWO: And this is Steve Ember with the VOA Special English program EXPLORATIONS. Today we visit a small museum in the state of Maryland. It is called the National Cryptologic Museum. It is filled with informat

发表于:2018-12-15 / 阅读(506) / 评论(0)

VOA慢速英语2008年（九）月

VOA慢速英语2015 FBI发出警告:勒索软件重出江湖

FBI: Ransomware Scams on the Rise FBI发出警告:勒索软件重出江湖 An old Internet scam is getting some new attention lately. It is called ransomware. Ransomware is a term used for a specific type of software that locks up files or access to

发表于:2018-12-16 / 阅读(365) / 评论(0)

2015年VOA慢速英语(五)月

美国国家公共电台 NPR Cryptocurrency Miners Make Big Promises In Small Towns

RACHEL MARTIN, HOST: Like many American manufacturing towns, Massena, N.Y., has hemorrhaged jobs in the past decade. GM and Reynolds Metal closed. Aluminum company Alcoa downsized. But now Massena is banking on a new opportunity to boost its economy

发表于:2018-12-17 / 阅读(402) / 评论(0)

2018年NPR美国国家公共电台5月

SSS 2011-06-23

This is Scientific American's 60-Second Science. I'm Christopher Intagliata. Got a minute? Birds and sea turtles can migrate thousands of miles, by reading the Earth's magnetic cues. But we too might have magnetic sensing abilitiesin our eyes. So say

发表于:2018-12-24 / 阅读(367) / 评论(0)

Scientific American(六)月

学个词 Learn a Word-VOA英语教学 3099 cryptocurrency

今天我们要学的词是cryptocurrency. Cryptocurrency加密货币。Switzerland's government has requested a report into the risks and opportunities of launching its own cryptocurrency. 瑞士政府要求有关部门就启用自己的加密货币的

发表于:2018-12-30 / 阅读(396) / 评论(0)

英语单词荟萃

国家地理-2008-06-12 Lost Pyramind Found 发现新的金字塔

Egyptian archaeologists have discovered the bottom part of an unknown pyramid in the Sakkara area about 18 miles south of Cairo. NationalGeographic explorer-in-residence Dr. Zahi Hawass, the Secretary General of the Egyptian Supreme Council for Anti

发表于:2018-12-30 / 阅读(489) / 评论(0)

国家地理2008年

EXPLORATIONS - National Cryptologic Museum

EXPLORATIONS - September 18, 2002: National Cryptologic Museum By Paul Thompson German Nazi, American and Japanese coding machines. (Photo - Ed Bunyan) VOICE ONE: This is Mary Tillotson. VOICE TWO: An

发表于:2019-01-02 / 阅读(500) / 评论(0)

Explorations

VOA慢速英语2017--比特币在委内瑞拉获飞速

Venezuelans Survive on Bitcoin In the last month, John Villar has bought plane tickets to Colombia, purchased medicine for his wife, and paid the employees of his business in Venezuela all in bitcoin. As Venezuelas national currency loses value, Vene

发表于:2019-01-03 / 阅读(501) / 评论(0)

2017年VOA慢速英语(十二)月

Using Cats to Explain Cryptocurrency and Blockchain

By now, most people have heard of bitcoin. Bitcoin is a virtual currency that has had a huge rise in value during 2017. Bitcoin however is just one of many cryptocurrencies. A cryptocurrency is a kind of money that does not exist in the form of bills

发表于:2019-01-03 / 阅读(478) / 评论(0)

2018年VOA慢速英语(一)月

VOA慢速英语2018--South Korea Plans to Ban Bitcoin Trading

South Korea said on Thursday it plans to ban trading of cryptocurrency, including the popular bitcoin. The announcement sent bitcoin prices much lower and created unrest in the cryptocurrency market. Justice Minister Park Sang-ki said the government

发表于:2019-01-03 / 阅读(567) / 评论(0)

2018年VOA慢速英语(一)月

VOA慢速英语2013 A Visit to America’s National Cryptologic Museum

A Visit to Americas National Cryptologic Museum From VOA Learning English, this is EXPLORATIONS in Special English. Im Jeri Watson. And Im Jim Tedder. Today we visit a small museum in the American state of Maryland. It is called the National Cryptolo

发表于:2019-01-12 / 阅读(447) / 评论(0)

2013年VOA慢速英语(五)月

VOA慢速英语2013 EXPLORATIONS - A Visit to America’s National Cryptologic Museum

EXPLORATIONS - A Visit to Americas National Cryptologic Museum From VOA Learning English, this is EXPLORATIONS in Special English. Im Jeri Watson. And Im Jim Tedder. Today we visit a small museum in the American state of Maryland. It is called the Na

发表于:2019-01-12 / 阅读(522) / 评论(0)

2013年VOA慢速英语(四)月

TED演讲:区块链对货币和商业的影响(3)

So what if there were not only an internet of information, 如果我们有的不仅仅是信息的互联， what if there were an internet of value -- 如果还有价值的互联： some kind of vast, global, distributed ledger running on millions of

发表于:2019-01-18 / 阅读(402) / 评论(0)

TED演讲商业篇

英语听力：自然百科 Lost Pyramind Found 发现新的金字塔

Egyptian archaeologists have discovered the bottom part of an unknown pyramid in the Sakkara area about 18 miles south of Cairo. National Geographic explorer-in-residence Dr. Zahi Hawass, the Secretary General of the Egyptian Supreme Council for Anti

发表于:2019-01-22 / 阅读(456) / 评论(0)

自然百科2008年

TED演讲:货币的未来(8)

The computer that solves the puzzle publishes its solution to the rest of the network and collects its reward: new bitcoins. 解开了谜题的计算机便把结果发布到互联网上，并获得新的比特币作为奖励。 And in the act of solv

发表于:2019-02-13 / 阅读(436) / 评论(0)

TED演讲国际问题篇

TED演讲:货币的未来(5)

We're about to enter a new phase of money. 一种新的货币模式正在逐渐形成。 The future of money is programmable. 未来的货币是可以程序化的， When we combine software and currency, money becomes more than just a static unit of

发表于:2019-02-13 / 阅读(464) / 评论(0)

TED演讲国际问题篇

经济学人:自由交流:疯狂，恐慌和ICO(3)

Human quirks also play a role. 人类的怪癖也起到一定的作用。 Robert Shiller, who helped create the subfield now known as behavioural finance (and won a Nobel prize), reckons that ideas about markets spread like an epidemic. 曾为如今以

发表于:2019-02-17 / 阅读(505) / 评论(0)

经济学人财经系列

经济学人:加密货币新兴货币(2)

Even before worries surfaced that the currency could split in two over the disagreement, 甚至在货币可能分裂成两种的担忧显露出来之前， bitcoin holders started to diversify into some of the many other crypto-currencies, or alt. co

发表于:2019-02-25 / 阅读(480) / 评论(0)

经济学人财经系列

经济学人:加密货币新兴货币(1)

Finance and Economics 财经 Crypto-Currencies: New Money 加密货币：新兴货币 Bitcoin, its imitators and the risk of a crypto-bubble. 比特币，其仿冒者，以及加密货币泡沫风险。 It is hard to predict when bubbles will pop, in

发表于:2019-02-25 / 阅读(454) / 评论(0)

经济学人财经系列

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