镍钴铁磁性合金

英语听力文摘 English Digest 664 白金为何是白色的

What Makes White Gold White? Many people associate the metal gold with the color gold. But, some gold jewelry is not golden at all: its white. 图片1 Golden Color Gold is one of the heaviest and softest metals. Pure gold, called 24-carat gold, is so

发表于:2018-12-05 / 阅读(153) / 评论(0)

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VOA常速英语2015--德国科学家发明新的仿生手

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A Harvard commencement is a special occasion.How could anyone not have been thrilled by this morning's assembly？25,000people packed in the Harvard yard to celebrate one of the great occasions of life.I loved it all,and I love this great gathering a

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白领英语晨读

英文书摘精选 What Makes White Gold White?白金为何是白色的?

Many people associate the metal gold with the color gold. But, some gold jewelry is not golden at all: its white. 很多人都认为金子就应该是金色。但一些黄金首饰的颜色并不是金色，而是白色。 Golden Color 金色 Gold is

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名人励志英语演讲第48期:我们选择登月(9)

That budget now stands at $5,400 million a yeara staggering sum, though somewhat less than we pay for cigarettes and cigars every year. Space expenditures will soon rise some more, from 40 cents per person per week to more than 50 cents a week for ev

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名人励志英语演讲

英语听力文摘 English Digest 620、白金为何是白色的？

What Makes White Gold White? Many people associate the metal gold with the color gold. But, some gold jewelry is not golden at all: its white. Golden Color Gold is one of the heaviest and softest metals. Pure gold, called 24-carat gold, is so soft th

发表于:2018-12-31 / 阅读(151) / 评论(0)

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SCIENCE REPORT - Blood Test For Ovarian Cancer

SCIENCE REPORT - February 28, 2002: Blood Test For Ovarian Cancer By Nancy Steinbach This is the VOA Special English Science Report. American medical researchers say they have developed a simple blood

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科技之光

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「在神圣的荒野中，我们能看见自己最良善的特质」野生生态保育人士博伊德?瓦提(Boyd Varty)与我们分享动物、人类及两者相互关系的故事，也就是南非谚语Ubuntu所言：「是你成就了我」。博伊

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By Paige Kollock Washington, D.C. 18 January 2006 view Cancer report Medical experts say it is the biggest breakthrough in more than a decade in the fight against ovarian cancer, a rare but deadly for

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个人情况： Name: ******** Sex: Male/Female Date of birth:June 2,1975 Address: ***** Marital Status: Single/Married Post Code: 100001 Height: 1.70M Weight: 50 kg Health: Excellent E-mail Address:

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Various stages of cartilage growth on scaffold. The final image on the right shows naturally forming cartilage for comparison. These replacement joints can be made of combinations of metal alloys, plastic and ceramic, but new research shows that it m

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VOA标准英语2010年(八)月

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科技之光

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1. I just want a trim. 我只是想修一修头发。 2. I want to dye my hair. 我想染下头发。 3. Part my hair on the left/in the middle. 把我的头发靠左边分/中分。 4. Leave it short/long. 留短点/长点。 5. Trim around the ears

发表于:2019-02-01 / 阅读(109) / 评论(0)

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Varas the hero as Barca held at home

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Congratulations, you've arrived on the hottest surface in the solar system. Here, the official temperature is eight hundred seventy degrees Fahrenheit. Day or night, equator or pole, the searing heat never varies more than a few degrees, and thats wh

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自然百科2012年

双语有声阅读：镍钛合金

Nitinol Nitinol is one of the most extraordinary metals to be discovered this century: A simple alloy of nickel and titanium, nitinol has some perplexing properties. A metal with a memory, it can be made to remember any shape into which it is fashion

发表于:2019-02-17 / 阅读(153) / 评论(0)

双语有声阅读

安赛乐米塔尔将发布新型高强度汽车用钢

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发表于:2019-02-18 / 阅读(125) / 评论(0)

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Calculationsofthedensityofalloys basedonBernal-typemodelsofthe alloysmetalcomponentagreedfairly wellwiththeexperimentallydetermined valuesfrommeasurementsonalloys (55)consistingofanoblemetaltogether wi

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