[地质] 同位素地质年龄

[00:00.00]在线英语听力室( www.tingroom.com )友情制作 [00:03.61]2001 Passage1 [00:11.16]Specialisation can be seen as a response to the problem [00:14.87]of an increasing accumulation of scientific knowledge. [00:19.40]By splitting up the subject mat

发表于:2018-12-01 / 阅读(124) / 评论(0) 分类 历年考研英语阅读理解

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. The Earths crust is old. Billions of years old. So old that its nearly impossible to imagine. And now scientists have discovered what may be the oldest

发表于:2018-12-24 / 阅读(121) / 评论(0) 分类 Scientific American(九)月

This is Scientific Americans 60-Second Science. Im Steve Mirsky. Got a minute? To be honest with you, I didnt feel a thing. But many other Scientific American staffers felt the shaking a few minutes before 2 P.M. Eastern time. After checking Twitter

发表于:2018-12-24 / 阅读(125) / 评论(0) 分类 Scientific American(八)月

One of the most powerful earthquakes ever to hit Mexico shook the southern part of the country Thursday night. Mexican officials said Friday at least 32 people had died. The 8.2-magnitude earthquake was stronger than the 1985 quake that killed thousa

发表于:2019-01-03 / 阅读(105) / 评论(0) 分类 2017年VOA慢速英语(九)月

Scientists Help Insects to Help Colorado River Fish Fish need insects for food. So, healthy rivers have healthy insect populations. However, in the United States, part of the Colorado River has an insect shortage that has left many fish without food.

发表于:2019-01-03 / 阅读(114) / 评论(0) 分类 2018年VOA慢速英语(五)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Theres definitely methane on Marsand there are seasonal variations of how much is being released into the thin Martian atmosphere. Which means that Mar

发表于:2019-01-08 / 阅读(124) / 评论(0) 分类 Scientific American(一)月

What does an 800-pound gorilla eat? If you said: anything it wants, youre not thinking like a scientist. A scientist would say, Let me analyze the isotopic composition of its excreta and Ill get back to you. Because a new study shows that the ratio o

发表于:2019-01-08 / 阅读(107) / 评论(0) 分类 Scientific American(十二)月

请看相关报道: Beijing Municipal Bureau of Land and Resources and Beijing Meteorological Bureau jointly issued the yellow alert for possible geological disasters of mud-slides, cave-in and landslip in mountainous areas in the districts of Fang

发表于:2019-01-08 / 阅读(176) / 评论(0) 分类 轻松英语

AS IT IS 2015-10-11 Broken Glass Walkway Shatters Nerves in China Imagine this. You are visiting a beautiful mountain somewhere in the countryside. Part of the trip takes you up a steep mountain cliff. At the top, visitors can step out on to a see-th

发表于:2019-01-12 / 阅读(122) / 评论(0) 分类 2015年VOA慢速英语(十)月

Scientists Closer to Solving Plain of Jars Mystery A new group of human remains has been uncovered on the Plain of Jars in Laos. They are believed to date back to the Iron Age, some 2,500 years ago. The Plain of Jars is in the central Lao province of

发表于:2019-01-12 / 阅读(100) / 评论(0) 分类 2016年VOA慢速英语(三)月

Luckily Hutton had a Boswell in the form of John Playfair, a professor of mathematics at the University of Edinburgh and a close friend, who could not only write silken prose butthanks to many years at Hutton's elbowactually understood what Hutton wa

发表于:2019-01-29 / 阅读(87) / 评论(0) 分类 万物简史

题目: At various times in the geological past, many species have become extinct as a result of natural, rather than human, processes. Thus, there is no justification for society to make extraordinary efforts, especially at a great cost in money a

发表于:2019-02-01 / 阅读(131) / 评论(0) 分类 GRE英语

中国月球探测车工作稳定 BEIJING, Dec. 21 (Xinhua) -- China's moon rover, Yutu (Jade Rabbit), worked in stable condition following its restart after a nap on Friday night, according to the Beijing Aerospace Control Center (BACC). The six-whe

发表于:2019-02-05 / 阅读(99) / 评论(0) 分类 英语新闻

Officials in Iran say 180 people have been killed in two strong earthquakes just 11 minutes apart in the country's northwest, near the city of Tabriz. More than 1,300 people are estimated to have been injured in Saturday's mid-afternoon quakes. State

发表于:2019-02-14 / 阅读(109) / 评论(0) 分类 英语新闻

Compston's machine allowed such rocks to be dated with unparalleled precision. 康普斯森的仪器能以无与伦比的精确度测定这些岩石的年代。 The prototype SHRIMP was built and machined in the Earth Science department's own worksho

发表于:2019-02-17 / 阅读(110) / 评论(0) 分类 万物简史

秘鲁发生强烈地震 LIMA, Sept. 25 (Xinhua) -- The 6.9-magnitude earthquake that hit southern Peru on Wednesday has killed three people in the district of Chaparra, in Caraveli province of Arequipa department, local daily El Comercio reported on

发表于:2019-02-17 / 阅读(110) / 评论(0) 分类 英语新闻

WASHINGTON, July 16 (Xinhua) -- A 6.0-magnitude earthquake jolted southern Peru on Tuesday, the U.S. Geological Survey (USGS) said. The quake, which occurred at 0237 GMT, was centered 18 km west of Chivay, with a depth of 6.6 km. No casualties or dam

发表于:2019-02-17 / 阅读(104) / 评论(0) 分类 英语新闻

An earthquake nearly 3,000 years ago may be the culprit in the mysterious disappearance of one of China's ancient civilizations, new research suggests. 最新研究发现,3000年前的一场地震可能是导致中国一个古文明被毁灭的原因

发表于:2019-02-17 / 阅读(127) / 评论(0) 分类 趣味英语

WASHINGTON, Oct. 11 (Xinhua) -- A 6.1-magnitude earthquake jolted off the northeastern coast of Venezuela on Friday, the U.S. Geological Survey said. The quake, which occurred at 0210 GMT Saturday, was centered 33 km north of the town of Gueiria.

发表于:2019-02-18 / 阅读(110) / 评论(0) 分类 英语新闻

Afghanistan has become the first country to map its natural mineral resources using an advanced remote sensing technique known as hyperspectral imaging. The mapping, a collaborative effort between the U.S. Geological Survey and the Afghan Geological

发表于:2019-02-18 / 阅读(201) / 评论(0) 分类 英语新闻
学英语单词
Adenotriphos
Adepril
aluminium oxide cloth in roll
AMP deaminase
analogical model
angeloylfuranofukinol
angular wavenumber
audit command language
baby-wise
Ballymacmague
belittlings
benzene carbon amidine
campestanol
Canadian Aboriginal Syllabics
China-made
clangings
cold-blood horse
cran-line
cumulate complexes
density of latex
diesel-electric vessel
dietic
digital and analog output basic
diminished breath-sounds
double deck induction motor
EXIF reader
External monitor
fiber-optic link
final accounts of state revenue and expenditure
flat photoelectric crystal
freezing drizzle
friction grip
gamsigradite
Giuseppe Sarto
glaucescinine
gowling
green-houses
greenwater
guacamole
helipterums
high cost factor
home-porting
hose bib
instrumentalities
Karpuzlu
kooky
late planting tobacco
list directed firmware
Lonicera hemsleyana
lyricises
macrogyne
manufacturing expenses standing orders
marilies
mastitis-metritis-agalactia
militia training
miscanthicoccus miscanthi
multiple shop
natrometer
nonvoided concrete beam
nunquam satis
oil pressure adjusting valve
oiling drum
osteologic
overpotentials
oxandra lanceolatas
P113
pein hammer
Pfeifferella whitmori
polyoxadiazole fibre
polyvinyl-formaldehydes
potassium boron tartrate
princesses consort
range oneself
reclaim of a page
rotating choke-coil
rotational electrometer
saturated algebra
scientific principle
seed cakes
sensory controlled robot
Shabak
Shahr-e Sokhta
signal level
single-pass conversion
skew symmetric multlinear mapping
spergel
spherodizing
sq yd
strobed diode
subsistence wages
swear someone to silence
tally whackers
telegraphic toll
temerity
thung
time vernier
Tswett's method
tuboabdominal
vidana
wakeboarded
written audit program
zootsuiters