沼气厌氧消化;沼气厌氧发酵

South Africa Uses Biogas to Turn Waste into Power 南非利用排泄物转换成沼气燃料 JOHANNESBURG Like many countries, South Africa is struggling to meet its energy needs. But instead of developing new technologies, the nation is trying a dif

发表于:2018-12-08 / 阅读(95) / 评论(0) 分类 VOA常速英语2013年(十月)

As scientists delve deeper beneath the oceans surface, they find bizarre creatures that have adapted to harsh and extreme environments. Now comes a new onethe discovery of the first multicellular animals that survive and reproduce entirely without ox

发表于:2019-01-02 / 阅读(111) / 评论(0) 分类 60秒科学

AGRICULTURE REPORT - Making Cheese the Traditional Way, Part Two By Mario Ritter Broadcast: Tuesday, October 04, 2005 I'm Jim Tedder with the VOA Special English Agriculture Report. Last week, we hear

发表于:2019-01-02 / 阅读(88) / 评论(0) 分类 农业与发展

Apatites- a family of calcium phosphate salts which are found in hard tissues like bone, teeth and shells. Apoptosis - death of a cell which is programmed by a set of specific genes. Apoptosis of chon

发表于:2019-01-03 / 阅读(81) / 评论(0) 分类 医务英语

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This'll just take a minute. As scientists delve deeper beneath the oceans surface, they find bizarre creatures that have adapted to harsh and extreme environments. Now comes a new o

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

A acceptable daily intake (ADI) 每人每日容许摄入量 acclimatization 气候适应 accumulate 蓄积 acetylandromedol 乙酰柽木醇毒 acceptable risk level 可接受的危险水平 acid-forming food 成酸性食品 Achromobacterium 无色菌属 Act for preventing the adulterati

发表于:2019-01-08 / 阅读(178) / 评论(0) 分类 英文语法词汇

FAITH LAPIDUS: Im Faith Lapidus. DOUG JOHNSON: And Im Doug Johnson with EXPLORATIONS in VOA Special English. Since ancient times, people have grown grapes to produce wine. Join us as we tell about the history of wine and how it is made. We will also

发表于:2019-01-12 / 阅读(87) / 评论(0) 分类 2010年VOA慢速英语(十)月

AS IT IS 2015-09-18 Palestinians Turn Organic Waste into Gas for Cooking 巴勒斯坦人将有机废物转化成天然气做饭 Rural communities in developing countries often have trouble securing dependable supplies ofenergy for cooking and lightin

发表于:2019-01-12 / 阅读(68) / 评论(0) 分类 2015年VOA慢速英语(九)月

Voice 1 Welcome to Spotlight. Im Robin Basselin. Voice 2 And Im Ryan Geertsma. Spotlight uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. Voice 1 Nguyen The Dong had a probl

发表于:2019-01-19 / 阅读(84) / 评论(0) 分类 环球英语 Spotlight

You start with a liquid containing some kind of sugar, add yeast, and wait. The yeast digests the sugar, giving off alcohol in the process. The sugar in beer comes mostly from a grain called barley. With wine, the sugar usually comes from grapes. Eit

发表于:2019-01-22 / 阅读(79) / 评论(0) 分类 英语时差8,16

词根联想记忆法词汇教程(四)

发表于:2019-02-01 / 阅读(84) / 评论(0) 分类 英文语法词汇

Britain's first bus powered by human waste has taken to the streets. 近日,英国首辆靠人类粪便供能的新型环保巴士正式上路。 The 40-seater 'Bio-Bus' is fuelled by biomethane gas, generated by the treatment of sewage and food wa

发表于:2019-02-03 / 阅读(60) / 评论(0) 分类 英语新闻

a high spatial resolution 高空间分辨率 a xenon-lamp 氙灯 abode n. 住所,住处 absence n. 缺乏 acceptor n. 接受者 access v. 接近 aerobic adj. 依靠氧气的,与需氧菌有关的

发表于:2019-02-06 / 阅读(98) / 评论(0) 分类 英文语法词汇

The US is on the verge of meeting most of the economic conditions the Federal Reserve has set to increase interest rates next month, according to a member of the rate-setting Federal Open Market Committee. 负责制定利率的联邦公开市场委员会

发表于:2019-02-06 / 阅读(71) / 评论(0) 分类 实用英语

Even we can tolerate it only up to a point. 连我们对氧的耐受力也是有限度的。 The oxygen level in our cells is only about a tenth the level found in the atmosphere. 我们细胞里的氧气浓度,只有大气里的大约十分之一。

发表于:2019-02-17 / 阅读(93) / 评论(0) 分类 万物简史

Anniversaries were few and far between in the Archaean world. 在太古代的世界里,结婚周年纪念日是完全没有的。 For two billion years bacterial organisms were the only forms of life. 在20亿年时间里,细菌是惟一的生命形

发表于:2019-02-17 / 阅读(78) / 评论(0) 分类 万物简史

Science and technology 科学技术 Athletic performance 运动员的表现 Faster, higher, no longer 更快,更高已成往事 Is it time to update the Olympic credo? 是时候更改奥运会信条了? ON AUGUST 5th millions of people will watch

发表于:2019-02-24 / 阅读(581) / 评论(0) 分类 经济学人科技系列

United States: Pet waste A crap-shoot 美国:宠物粪便,从粪便里发出的新芽 The city ponders a plan to make power from puppy poop. 在宠物粪便中提取能源,该市构建着一幅如此蓝图。 Dogs, unlike people, are capable of

发表于:2019-02-24 / 阅读(78) / 评论(0) 分类 经济学人综合

比较难以记住的GRE词汇 holistic 全面的,从整体着眼的 virtually almost virtual in fact mucus 粘液 by virtue of 由于 shrank 缩小,shrink 的过分 pool 集中备用的工人、钱或物资 syntax 句法,句子构造 grid grat

发表于:2019-02-25 / 阅读(120) / 评论(0) 分类 GRE英语

Number ten. The Great Wall of China is the only man-made object visible from space. 第十。中国长城是唯一能在太空中看到的人造物体。 To see something on Earth from space, it would have to be pretty big, 要从太空看到地球上的

发表于:2019-03-02 / 阅读(107) / 评论(0) 分类 欧美人文风情
学英语单词
apparented
asbestos cement board
automatic merchandising
aviation meteorological element
banjitarists
beztine
boondockers
brassica juncea coss.var.japonica bailey
cactoids
card board package
Carex baccans
carses
categorially
Celloscope
cultigen
difficult to obtain material
digital processor
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dry-press process
ejector rack adapter
electric coagulation forceps
electric-capacity moisture meter
enhydra lutris nereis
ergodic in mean square
examination of damage
facialium
for cause
germ plasm
graphtheoretic concepts
grillage theory
guerite
Gyrus frontalis medius
hand shaking
harpootlian
harrow draft
have to do with
hundred-and-thirty-fifth
Hung Hoa
incentive bonus
indigenous law
intelligent personal assistant
Jacupemba
keel slope
klejman
l'un
lagaan
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livo r.
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long manipulation
made no difference
Maryal
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microdrile
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nitriloacetic
nonaffiliated company
normal algebraic variety
object-oriented programming language
occupational bribery
orthopedic surgical technique
Oshnavieh
overdue fine
partially-qualified name
pedipulated
permanent magnet motor
posterior intercostal artery
postexercise
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Qarrishta
recaulking
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Sakmarian Stage
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saragossas
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sexist language
shunt character
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stadholderian
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tetramers
toxic oil syndrome
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uk stan
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voracious
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wireless deception