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(143) / 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(159) / 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(137) / 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(149) / 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(151) / 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(242) / 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(137) / 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(121) / 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(131) / 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(122) / 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(135) / 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(117) / 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(154) / 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(128) / 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(153) / 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(136) / 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(665) / 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(129) / 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(187) / 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(156) / 评论(0) 分类 欧美人文风情
学英语单词
adultery by consent
afferent duct
air forces
air-core transformer
alloy tool steel bit
aminoazobenzene
angielcosis
anthelmintic action
arachniodes nigrospinosa
area centralis retina
ashan
Astoria seamer
Blochian
branchiomery
brown bagged
bulk storage of flour
cellulitis of penis
center tapped
central gray layer
clycure
coincidence tuning
conditional power source
coresidual
corneal ulcer
Corydalis muliensis
countryperson
crush a pot
detractiveness
dispreference
distribution plenum
electron and ion microscopes and techniques
Eleutherococcus rehderianus
external agencies
Fezzou
field failure relay
field-based
function cognates
function generator of two variables
fussells
g-mate
Geologic sequestration
gossipist
gramms
greatest gradient
halogenic
high pressure vane pump
hours on stream
hyaloma
hymenaea courbarils
installment rate
ionospheric potential
Jacobean age
latitude correction
look through green glasses
Maldivan
metasternal wing
minne-drinking
mold spring
mongoloraphidia (formosoraphidia) formosana
multi-host configuration
nominal capacity
oligosiloxanes
original proprietor
oversize vehicle
parallel tap
partial differential equation of higher order
pipe centering apparatus
polyendocrinopathy
pressure-wave supercharging
printed electronic circuits
proANF
programed cost
red algae
rna-binding
Scoliodon
secondary explosion
shadow channel
sham-operating
shelf boad
slype
spondylosium moniliforme
starting fives
strobopagurus sibogae
super-radiator
synchro clock
synchronization therapy
thrung
transmission frequency meter
Turpentine-timber
two-seater airplane
unfirmness
usances
velocity polygon
vertical carousel
vest ... with
vestibulothalamic
Vransko
water-supply station
Western Samoa
world record
xylokryptit (xylocryptite)