金属盐后处理

By Gary Garriott Broadcast: November 3, 2003 This is Steve Ember with the VOA Special English Development Report. People have been recycling metals for hundreds of years. Today, re-using metal waste o

发表于:2018-12-01 / 阅读(383) / 评论(0) 分类 VOA2003(下)-发展与科学

Hello to you, I'm Creshon Saunders at the CNN.com Newsroom in Atlanta. Here is a look at what's happening NOW IN THE NOWS. Israel is pounding Gaza with airstrikes for a second day in a row. Hamas militants are the target and Israeli Prime Minister E

发表于:2018-12-05 / 阅读(158) / 评论(0) 分类 CNN2008年(十二)月

Millions of gallons of fresh water evaporate from the ocean daily, leaving all their salts behind, 每天有几百万加仑淡水从海洋蒸发,留下了全部盐分, so logically the seas ought to grow more salty with the passing years, but the

发表于:2018-12-07 / 阅读(155) / 评论(0) 分类 万物简史

Water Cycle 水循环 All the oceans on earth are salty, while inland water is typically fresh. How does water become salty? We'll answer a listener's question -- today on Earth and Sky. DB: This is Earth and Sky. We recently visited the Austin Childr

发表于:2018-12-07 / 阅读(210) / 评论(0) 分类 (科普英语)Earth and Sky

Most works of art - paintings, sculptures, artistic jewelry - are created for a collector or patrons who visit a gallery. The artist makes something, and someone else buys it and takes it home. Others create large public art - sculptures and statues

发表于:2018-12-16 / 阅读(180) / 评论(0) 分类 VOA标准英语2010年(九)月

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Life requires balance. We balance work and family. We eat a balanced breakfast, sometimes. And we balance our electrolytes. That salt-water synergy is no

发表于:2018-12-24 / 阅读(199) / 评论(0) 分类 Scientific American(九)月

M: Please do excuse me for a moment. I've got diarrhea. W: It's easy to get loose bowels in summer. M: It may have something to do with the food I had last night W: Youve got to be careful on the food you eat. M: I will. Thank you.

发表于:2018-12-26 / 阅读(118) / 评论(0) 分类 想聊就聊

By Roger Hsu Mephis, Tennessee 17 August 2006 watch Museum report The National Ornamental Metal Museum in Memphis is devoted to the conservation and advancement of metalwork. It is a place where metal smiths become synonymous with artists and where

发表于:2019-01-06 / 阅读(264) / 评论(0) 分类 2006年VOA标准英语(八月)

Its easy and relaxing to make and use bath salts at home 在家里制作并使用浴盐很容易也让人非常放松 1/3 cup baking soda 1/3 cup Epsom salts 1/3 cup sea salt 10 drops lavender essential oil 1/3 杯发酵粉 1/3 杯泻盐 1/3 滴薰衣草

发表于:2019-01-08 / 阅读(181) / 评论(0) 分类 英语小短文

[全屏观看] 点击右键- 另存为 可保存这个Flash影片 Description: Metal Sonic is flying through space and comes to an asteroid field, you need to help him blast his way through without getting hit or its game over. Instructions: Move: Up

发表于:2019-01-08 / 阅读(259) / 评论(0) 分类 Daily Free Games

Staying with the precious metal, and Chinas largest gold company says the country will surpass India to become the top consumer of gold in the world. In the first three quarters of this year, China produced 284 tons of the yellow metal, a nine percen

发表于:2019-01-11 / 阅读(198) / 评论(0) 分类 英语演讲

Synthetic Drug Problematic for US Authorities Augusta County, Virginia, is a rural county in the Blue Ridge Mountains, two and a half hours southwest of Washington. It has a big problem. Sheriff Randy Fisher says Augusta County was once known as the

发表于:2019-01-13 / 阅读(255) / 评论(0) 分类 VOA标准英语2012年(六月)

Joe DeCapua 15 April 2010 Over the years, theres been debate over when to start HIV-positive patients on anti-retroviral drugs, or ARVs. At first the standard practice was to wait until a persons immune system had nearly collapsed. But a growing body

发表于:2019-01-13 / 阅读(218) / 评论(0) 分类 VOA标准英语2010年(四)月

DAVID GREENE, HOST: So every time you weigh something, whether it's coffee or bananas - I'm not sure what you're weighing - you might be doing it in pounds - well, whatever you're doing, you're unknowingly relying on a global system of measurement th

发表于:2019-01-17 / 阅读(221) / 评论(0) 分类 2018年NPR美国国家公共电台11月

I don't feel well. I have a fever. I have a cold. I have a headache. My eyes are very itchy. I have trouble breathing. I have a stomachache. I have loose bowels. My hand was scalded by boiling water. My ankle is twisted.

发表于:2019-01-21 / 阅读(127) / 评论(0) 分类 英语口语900句

This week on Why Tell Me Why, we are finding out why the oceans are so salty. So the oceans are salty because the oceans have been around, lets say, for over five hundred million years. And over the course of time what we found out is that weve alway

发表于:2019-01-22 / 阅读(175) / 评论(0) 分类 自然百科2009年

The nineteenth century held one last great surprise for chemists. It began in 1896 when Henri Becquerel in Paris carelessly left a packet of uranium salts on a wrapped photographic plate in a drawer. When he took theplate out some time later, he was

发表于:2019-01-29 / 阅读(212) / 评论(0) 分类 万物简史

What's more, I've detected those falling and rising currents that make up the ocean's true breathing. 此外,我又注意过那些由上而下和由下而上的水流,形成真正的海洋呼吸作用。 I've seen a molecule of salt water heat up

发表于:2019-02-25 / 阅读(142) / 评论(0) 分类 《海底两万里》中英双语有声读物

Water is so vital to us that it is easy to overlook that all but the smallest fraction of the water on Earth is poisonous to us, 水对我们太重要了,因此我们不容易注意到,地球上绝大部分的水对我们来说都是有毒的,

发表于:2019-02-25 / 阅读(143) / 评论(0) 分类 万物简史

迷你对话 A: When you went to the dormitory this morning, had your roommates came like a dose of salts? 你今早去宿舍的时候,你的室友已经来了吗? B: Not yet. All my roommates came like a dose of salts. 还没有,但是我的室友

发表于:2019-03-05 / 阅读(258) / 评论(0) 分类 迷你对话学地道口语
学英语单词
a queer customer
acidify
afebril
affective-reaction
anfal
Angelman syndrome
angle of X-ray projiction
anterior lacerated foramen
anticipated operational occurrence
assecution
atomic nuclear structure
back curved vane
bad-minded
bargainer
Bleidenstadt
Box-Pierce chi-square test
buxus liukiuensis
buzzer signal
Byerazino
capillary transport
ch'ing hai p'o
cholesterol-lowering
Christiansen effect
coffee money
collateral mail
consignment clause
cosequence register
Cremanthodium puberulum
cutup pool
daily car requisition plan
day for paying taxes
electric pad
electromechanical analogy
entrance to the station
erythrothrombomonoblastosis
eternal night
evolutionary changes
false starts
feel a delicacy in
flapper valve
flash vaporator
follow in the cry
glassfiber composite
heath forest
helicopter operation
high performance polymer
high return coefficient relay
high-level languages
holosaccharide
htik
In Afaleleh
inerrable
Interfacial Seal
internal taping
Itapetininga
kinematic viscometer
Lespedeza stipulacea
lifes
long-term forward contract
Malān, Rās
manifestable
marrin
microelectrode puller
native languages
negative diopter
non-harmonic constants
notosinister tinnotabilis
NUCDEF
Open eBook Forum
optical equipment
out-ranked
periodic flow
pit wood
Plugge's test
power split
pronged-root blade
Quarten
retro-chic
root hair zone
rose hips
sabadilla seed
schema representation language
school kids
search warrant
self-equilbrating
shagreen skin
Sida L.
social demand
spoonhour
statelike community
Suregada aequorea
TA-GVHD
tenability
throw away bit
totanine
transfer gantry
trigonodont
unhighlights
unswitched
utica gracilipes
without par value stock
zbigniews