[化] 氮降解; 土壤中氮降解

初级英语听力(新版) Lesson17 What's the postage on these letters to Thailand, please? I'll have to check. Do you need anything else? Yes. A three pence stamp, please. That'll be eighty-five pence in all. I wish you wouldn't have your TV so lou

发表于:2018-12-01 / 阅读(188) / 评论(0) 分类 初级英语听力新版

You probably already know everything is made up of little tiny things called atoms 你也许已经知道所有的东西都是由微小的原子组成。 You might even know that each atom is made up of even smaller particles called protons, neutrons

发表于:2018-12-08 / 阅读(95) / 评论(0) 分类 TED演讲教育篇

This is Scientific Americans 60-Second Science. Im Cynthia Graber. This will just take a minute. The Chesapeake Bay could get helped by a new antipollution expert: farmed oysters. For decades, the Chesapeake has been plagued by excess nutrients, such

发表于:2018-12-24 / 阅读(102) / 评论(0) 分类 Scientific American(一)月

AGRICULTURE REPORT - Bird Flu: Composting the Remains of Farm BirdsBy Mario Ritter Broadcast: Tuesday, February 28, 2006 I'm Steve Ember with the VOA Special English Agriculture Report. Farmers usuall

发表于:2019-01-02 / 阅读(93) / 评论(0) 分类 2006年慢速英语(二)月

AGRICULTURE REPORT - Legumes: Good for People and SoilBy Bob Bowen Broadcast: Tuesday, February 21, 2006 I'm Steve Ember with the VOA Special English Agriculture Report. Many different kinds of plants

发表于:2019-01-02 / 阅读(86) / 评论(0) 分类 2006年慢速英语(二)月

Broadcast: June 4, 2003 By Paul Thompson VOICE ONE: This is Ray Freeman. VOICE TWO: And this is Steve Ember with the VOA Special English program EXPLORATIONS. Today, we tell about how astronauts prepa

发表于:2019-01-02 / 阅读(118) / 评论(0) 分类 VOA2003(上)-科技导航

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute?. [Spray sound.] Killing bugs? No. [Spray sound.] Deodorizing the bathroom? No. [Spray sound.] Checking for explosives, yes. Because chemists at the University of Califor

发表于:2019-01-08 / 阅读(160) / 评论(0) 分类 Scientific American(九)月

This is Scientific Americans 60-Second Science. Im Karen Hopkin. This will just take a minute. If youve ever wondered where the Earth came from, the answer, it seems, is blowin in the windthe solar wind. Or so say scientists who, after examining sola

发表于:2019-01-08 / 阅读(136) / 评论(0) 分类 Scientific American(七)月

This is the VOA Special English Agriculture Report. Sorghum farmers in eastern Uganda, working with scientists, have tested some lower-cost ways to improve their soil. Little rain and poor soil fertility are problems in that area, as in other parts

发表于:2019-01-11 / 阅读(119) / 评论(0) 分类 VOA慢速英语2007年(六)月

UN Warns Against Land Degradation A top U.N. advisor said on Friday that every minute, 23 hectares of land are degraded by drought and desertification. He said its damaging the economic, social and environmental pillars needed for sustainable develop

发表于:2019-01-13 / 阅读(107) / 评论(0) 分类 VOA标准英语2011年(十二月)

Fukushima Plant Operator: Nitrogen Pumping Operation Going Well A plan to inject nitrogen into the containment vessel around reactor 1 at the Fukushima Daiichi power plant appears to be working, the plant owner said Thursday. Higher pressure levels h

发表于:2019-01-14 / 阅读(112) / 评论(0) 分类 VOA标准英语2011年(四月)

托福考试(TOEFL)是国际上最有影响力,使用最广泛的的英语水平测试之一。托福除了作为美国主流学校入学所需的标准化考试,申请签证和工作的过程中也会有需要托福成绩的机会,所以不少

发表于:2019-01-18 / 阅读(100) / 评论(0) 分类 托福英语

The geology of the planet 地球的地质情况 Welcome to the Anthropocene 欢迎来到人类纪 Humans have changed the way the world works. Now they have to change the way they think about it, too 人类改变了世界运行方式,现在,人类不

发表于:2019-01-26 / 阅读(136) / 评论(0) 分类 经济学人综合

AGRICULTURE REPORT — November 26, 2002: Corn, Part 1 By Mario Ritter This is the VOA Special English Agriculture Report. Corn is an important crop in many parts of the world. However, some people ar

发表于:2019-01-30 / 阅读(121) / 评论(0) 分类 农业与发展

By Valer Gergely Washington, D.C. 11 April 2007 Watch Environment Exhibit The effects of environmental degradation have been increasingly seen as contributing to conflict in various parts of the world. The growing scarcity of natural resources as a

发表于:2019-02-05 / 阅读(190) / 评论(0) 分类 2007年VOA标准英语(四月)

New UN report highlights livestock production as major environmental threat Steve Baragona | Washington, DC 04 June 2010 A new United Nations report singles out food production as a major factor driving environmental degradation. Raising animals for

发表于:2019-02-12 / 阅读(133) / 评论(0) 分类 VOA标准英语2010年(六)月

GRE阅读复备考之类比思维。考生在做gre阅读复习过程中也可以运用类比的思维解题。在GRE阅读中绝对不少见,也就是常说的类比题。主要说下述哪一选项所述现象和原文第N行的说法比较相像

发表于:2019-02-17 / 阅读(99) / 评论(0) 分类 GRE英语

1.Above all:最重要的是,most important of all Above all, theyll have to discover how much nitrogen it possesses since nitrogen is4/5 of the air breathe.(2002-1) 2.Account for:解释。说明 How do you account for the truth? 3.After

发表于:2019-02-18 / 阅读(81) / 评论(0) 分类 大学四六级阅读

In the days of diving suitsthe sort that were connected to the surface by long hoses, 在使用潜水衣即用长管子连接水面的那种装备的年代, divers sometimes experienced a dreaded phenomenon known as the squeeze. 潜水员有时候会

发表于:2019-02-25 / 阅读(87) / 评论(0) 分类 万物简史

However, when at length they emerged into the fresh air of a London evening, 然而,当他们最后走进伦敦夜晚的新鲜空气里的时候, the bubbles sprang instantly to fizziness, memorably enlivening the digestive process. 气泡立刻泛

发表于:2019-02-25 / 阅读(87) / 评论(0) 分类 万物简史
学英语单词
acadie
acoustic surface-wave measurements
activity unit
analgesic rheumatoid plaster
anionic latex
aphylaxis
articulus sternoclavicularis
asterseismology
beaudry
Belomorsk
born and bred and born
bracewellite
breakage point
buggering
butyrate lens
calori-
cellulose i structure
clairvoyants
cloth-ears
Cofibrale
contagious equine metritis
corneoplasty
Ctrl Y
currency price
cyclopentanemethanol
daytime-only station
dinner bell
DWEM
ecbolica
edge preparation
endoscopic cold light source
engrafture
epoxy alkyd varnishes
erotics
facility chart
first layer
folded fabric
fossa hypophyseos
genus Prosopium
hippiatrics
huts
incloistering
inductometers
International Talk Like a Pirate Day
invasive blood pressure monitoring equipment
isoforming procedure
jim collins
jolty
lateral side
leptynite (leptite)
light absorption particle counter
limacian
linguopalatal
long arm of the law
longitudinal cyclic pitch
madrepose
majority rule
mckemy
mercuric chlorite
microtones
mountaintop-removal
necremia
neotoma fuscipess
NSU
nulling operation
nusle
offloaded
orderds
outtells
oxytaxis
Pamoxan
planned minor repair outage hours
pompignan
psia,p.s.i.a.
pyrochroite
radioassays
reshaping of trees
resonating valence bond theory
rumple
schedule module
screams
shoestring sand trap
shunt feedback
SIGDA
solid slag
starwarrior
straight-line of infinity
subventricose
switch fixtures
Tavastehus
thysanocardia nigra
till the last
Trembleur L.
united nations assessments
water molds
weighing platform
withaphsacarpin
without aftereffect
xylocopa ruficeps
yield to adjusted minimum maturity
yowing
ysabel i. (santa isabel)