[化] 德拉伐尔炼锌法

This is scientific Americans 60-Sencond Science. I am Karen Hopkin. This will just take a minute. When you think about silk, you probably think of gossamer fibers woven into lustrous garments or decadently soft bedsheets. But silk is also prized for

发表于:2018-12-24 / 阅读(64) / 评论(0) 分类 Scientific American(四)月

Fresh Richer A fresh richer is purchasing coffin in the store for the death.A person asks him:Which one is better?He says:Of course the zinc1)-filled is more durable2),but the wooden is helpful to the health. 新 贵 一个新贵在墓葬

发表于:2019-01-01 / 阅读(72) / 评论(0) 分类 英语沙龙

EDUCATION REPORT - 'Iron Science Teacher' and More at the ExploratoriumBy Nancy Steinbach Broadcast: Thursday, July 27, 2006 This is the VOA Special English Education Report. The Exploratorium is hous

发表于:2019-01-02 / 阅读(89) / 评论(0) 分类 2006年慢速英语(七)月

One main goal in the renewable energy field is to find an efficient, inexpensive way to split water into hydrogen and oxygen. The hydrogen could then be used as a fuel source for vehicles or fuel cells. Typically, an electric current breaks the water

发表于:2019-01-08 / 阅读(89) / 评论(0) 分类 Scientific American(四)月

Eat Nuts to Stay Healthy 吃坚果有助保持健康 From VOA Learning English, this is the Health Lifestyle report. People have long known that nuts are part of a healthy diet. However, scientists in the Netherlands recently found that you do not ne

发表于:2019-01-12 / 阅读(50) / 评论(0) 分类 2015年VOA慢速英语(七)月

By Nico Colombant Dakar 26 March 2008 Liberia's much-heralded and awaited census is plodding ahead amid problems with workers who want more money and Liberians who are not staying home to be counted. VOA's Nico Colombant has more from our regional bu

发表于:2019-01-12 / 阅读(96) / 评论(0) 分类 VOA标准英语2008年(三月)

Gold, Oil Prices Up as Investors Seek Safe Haven 投资者寻求避险:黄金、石油价格上涨 NEW YORK The up-and-down prices of oil and gold mirror the unsettled world situation, and both reflect the economic squeeze most nations currently face

发表于:2019-01-14 / 阅读(71) / 评论(0) 分类 VOA标准英语2016年(三月)

A: How are you feeling today? B: I have a terrible cold! A: Where do you think you picked that up? B: A lot of people in my gym have it. Maybe I got it from the equipment. A: Have you taken anything for it? B: I think that I am just going to rest and

发表于:2019-01-15 / 阅读(69) / 评论(0) 分类 英语情景对话-健康

Sunscreen comes in many forms, each with its own impacts on your body and the environment. 防晒霜有很多种,每种对你的身体和环境影响各有不同。 With so many options, how do you choose which sunscreen is best for you? 有了这么

发表于:2019-01-17 / 阅读(103) / 评论(0) 分类 TED演讲教育篇

Passage One 26. A. They were possibly caused by man. B. They were mostly caused by volcanoes. C. They were certainly caused by nature. D. We know nothing about their causes. 27. A. Afraid. B. Excited. C. Curious. D. Indifferent. 28. A. Copper and iro

发表于:2019-01-25 / 阅读(132) / 评论(0) 分类 英语四级听力-短对话

神探夏洛克第一季第二集_7 你知道这谁画的么 我认得这颜料 Know the author? I recognise the paint. 像密歇根产的 喷力强劲 It's like Michigan...hard-core propellant. 我猜含锌 I'd say zinc. 那个符号呢 你认识么

发表于:2019-01-28 / 阅读(214) / 评论(0) 分类 神探夏洛克第一季

SCIENCE IN THE NEWS - From A to Zinc: The Story of Vitamins By Nancy Steinbach Broadcast: Tuesday, March 29, 2005 (MUSIC) VOICE ONE: I'm Bob Doughty with Phoebe Zimmermann, and this is the VOA Special

发表于:2019-01-30 / 阅读(101) / 评论(0) 分类 科技之光

What can you eat this fall to keep your skin healthy, soft and smooth while preventing wrinkles from forming? Ask a dermatologist or a nutrition expert. They will tell you that a well-balanced diet containing antioxidants will really help to keep ski

发表于:2019-02-01 / 阅读(118) / 评论(0) 分类 实用英语

Here are some facts about sweet potatoes you probably don't know: 这里有一些关于红薯你可能还不知道的事实: Sweet Potatoes Originated in the Americas 红薯起源于美洲 They're in the family of plants that includes morning glori

发表于:2019-02-02 / 阅读(55) / 评论(0) 分类 阅读空间

Zinc supplements reduce the average cold by about a day and also make symptoms(症状) less severe, according to the latest findings. There's no cure for the common cold, but there's no shortage of ways to treat the symptoms. For a number of year

发表于:2019-02-05 / 阅读(67) / 评论(0) 分类 英语新闻

奥地利 Christmas celebrations start with the feast of St. Nicholas. Saint is accompanied with a devil. He asks small children about their good and bad actions. Toys, sweets and nuts are gifted to good children. Brass instruments are used for playi

发表于:2019-02-13 / 阅读(52) / 评论(0) 分类 英语作文

Metal, heal thyself 金属,自己愈合吧 Materials science: Researchers have devised an ingenious way for the damaged surfaces of metals to repair themselves when they come to harm 材料科学:研究人员构想出了一种新颖独特的方法,

发表于:2019-02-17 / 阅读(82) / 评论(0) 分类 经济学人综合

1. It's freezing/chillyout there! 外面冷死了! 2. It's a bit nippytoday, but I will still run my usual distance。 虽然今天有点冷,但我还是会坚持和往常跑一样远的。 3. There is a real nip in the airtoday。 今天寒气袭人

发表于:2019-02-17 / 阅读(49) / 评论(0) 分类 英语口语

It takes more than shampoo and conditioner to maintain the charm of shiny and manageable hair. See what you should eat to keep those tresses healthy, alluring and strong. 为了维持有光泽且易打理的头发,仅仅用洗发水和护发素是不

发表于:2019-02-17 / 阅读(138) / 评论(0) 分类 阅读空间

发表于:2019-02-18 / 阅读(77) / 评论(0) 分类 考研英语
学英语单词
a dope fiend
acute corner
agarum turneri post.et rupr.
ananthropism
antimony electrode
bean queen
bestestest
biocerin
bituminous industry
brail
brewerd
car stop
carpetgrass
cetologists
chalcovarin
cholinester
choreic movements
Clone Fund
coking coal
Collecchio
concurrence
cost,insurance,freight inland waterway
Coxeter-Dynkin diagrams
cyclic queueing network
dicyclopentadienyliron(ii) ferrocene
dysimmunity
eeriest
electrotempering
eolith(eolite)
evening
exercition
field-effects
frequency accuracy
fueling capacity
Furtwangen
hereditary stability
initY
integration of the vertical kind
INTMED
intraoperative soft tissue expansion
junior yearling
Khokhlovo
lichenist
lissitzky
mason's putty
mather & platt kier
Mazdaism
mazruis
metonymously
microencapsulator
moving stripper
multizone
nadhs
nergals
no matter
nonabsorptive
nonuniform quantizing
NSC-742
of-fice
oologize
original issue price of unit
palaeo-environmental
paper-making machinery
phase-alternation line system
photo-essay
piranga olivaceas
pollicization of first metacarpal bone
prime imiister
propeller guard
propylene liguid
pseudoallergy
quantum hadrodynamics
raphide sac
realised amounts
remez
sechiste
segregatively
simulated modeling
solid caustic soda section
species
spur gear planer
square packing slide ring
suicide bomber
swedging
tailgate parties
temperate zooplankton
time-scarcity
top doup
top sb up
topical remedy
trachytoid texture
tuncer
twin twisted
two-stream plasma
ventromedial hypothalamic syndrome
vertebral part of medial surface of lung
vibrating acceleration
vitamin bcs
Wooltana
xerographic copiers
Zhibiao