载体蛋白

A Chinese-made self-driving container straddle carrier, said to be the first of its kind in the world, is now undergoing testing at a port in Shanghai, reports China Central Television. A container straddle carrier is a freight carrying vehicle that

发表于:2018-12-24 / 阅读(145) / 评论(0) 分类 2018CRI中国国际广播电台

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Conditions such as mad cow disease are caused by abnormally shaped proteins, called prions. Prions spread by causing other, normal proteins to misfold

发表于:2018-12-24 / 阅读(103) / 评论(0) 分类 Scientific American(九)月

Newspaper Carrier Day is an important day to celebrate one of societys forgotten workers the newspaper carrier. Every day, thousands of newspaper girls and boys get up early and carry heavy bags of newspapers around the streets. They deliver our news

发表于:2018-12-29 / 阅读(121) / 评论(0) 分类 英语课程学习计划和讲义

JUDY WOODRUFF: President-elect Trump made his first public speech today since the election on a trip to Indiana to tout a deal that he said made good on a campaign promise. Mr. Trump met with Carrier workers on the floor of their Indianapolis plant t

发表于:2018-12-31 / 阅读(154) / 评论(0) 分类 PBS访谈商业系列

This is Scientific American's 60-Second Science. I'm Steve Mirsky . Got a minute ? The Nobel Prize in chemistry goes to three men who revolutionized molecular life science, Japans Osamu Shimomura and Americans Martin Chalfie and Roger Tsien. They dev

发表于:2019-01-08 / 阅读(134) / 评论(0) 分类 Scientific American(十)月

This is Scientific American's 60-Second Science, Im Steve Mirsky. Got a minute? Biologists often attempt to construct a genealogy that shows the relationships of all life on earth. One well-accepted effort compares the nucleic acid sequences that cod

发表于:2019-01-08 / 阅读(146) / 评论(0) 分类 Scientific American(五)月

The 2009 Nobel Prize in Chemistry goes to Venkatraman Ramakrishnan of the MRC Laboratory of Molecular Biology in England, Yale Universitys Thomas Steitz, and Ada Yonath of the Weizmann Institute of Science in Israel for their studies of the ribosome.

发表于:2019-01-08 / 阅读(142) / 评论(0) 分类 Scientific American(十)月

US Crew Vigilant as Carrier Sails Through Strait of Hormuz Ready and vigilant, the battle group steams through the waterway where a fifth of the worlds oil passes. Tehran has threatened to block the strait, and warned U.S. ships not to come. For Navy

发表于:2019-01-14 / 阅读(124) / 评论(0) 分类 VOA标准英语2012年(二月)

RACHEL MARTIN, HOST: The USS Carl Vinson is in De Nang, Vietnam. And it is the first U.S. aircraft carrier visit since the end of the Vietnam War. And it comes at a time of increasing tension between the U.S. and China and between China and some of i

发表于:2019-01-16 / 阅读(125) / 评论(0) 分类 2018年NPR美国国家公共电台3月

74 疯牛病及其最新的检验方法 DATE=7-24-01 TITLE=SCIENCE IN THE NEWS #2134 - Mad Cow Disease BYLINE=Nancy Steinbach, George Grow VOICE ONE: This is Sarah Long. VOICE TWO: And this is Steve E

发表于:2019-01-22 / 阅读(202) / 评论(0) 分类 科技之光

Sissel Kyrkjebo,挪威著名的女歌手,以其空灵清澈的音色踏入歌坛超过10年。《All Good Things》是Sissel首张唱流行曲的唱片,十一首歌曲虽然还可发现不少令人联想到Enya一类的音乐元素,但歌曲编排都渗入了具备时代感的流行曲节奏。唯一真正保留Sissel原来风格的,或

发表于:2019-02-02 / 阅读(224) / 评论(0) 分类 音乐咖啡厅

BEIJING, March 29 (Xinhua) -- China is conducting scientific testing and training exercises for its aircraft carrier, Defense Ministry spokesman Yang Yujun said Thursday. It takes time for weapons and equipment to be developed from scientific researc

发表于:2019-02-02 / 阅读(145) / 评论(0) 分类 英语新闻

China conducts flight landing on aircraft carrier LIAONING AIRCRAFT CARRIER, Nov. 25 (Xinhua) -- China has successfully conducted flight landing on its first aircraft carrier, the Liaoning, naval sources said. A new J-15 fighter jet was used as part

发表于:2019-02-06 / 阅读(177) / 评论(0) 分类 英语新闻

DALIAN, Sept. 25 (Xinhua) -- China's first aircraft carrier was delivered and commissioned to the People's Liberation Army (PLA) Navy Tuesday after years of refitting and sea trials. Overseen by President Hu Jintao and Premier Wen Jiabao, the carrier

发表于:2019-02-07 / 阅读(274) / 评论(0) 分类 英语新闻

BEIJING, Aug. 22 (Xinhuanet) -- Researchers have discovered how a human egg captures an incoming sperm for fertilization, paving the way to help couples suffering from infertility, according to media reports on Monday. An international team of resear

发表于:2019-02-08 / 阅读(173) / 评论(0) 分类 英语新闻

China's first domestically-built aircraft carrier has set out from a port in Liaoning on its maiden voyage to start sea trials. The 50,000-ton vessel, codenamed Type 001A, is the second aircraft carrier launched by China. It follows the carrier Liaon

发表于:2019-02-14 / 阅读(139) / 评论(0) 分类 2018CRI中国国际广播电台

There has been a lot of research done on the significance of food combining when we eat. Many believe that our stomach is designed to only digest food correctly one food type at a time or eating foods together that are compatible with each other. Thi

发表于:2019-02-14 / 阅读(201) / 评论(0) 分类 阅读空间

He and his colleagues noted parallel changes in the genes for three digestive enzymes whose job is to liberate two particular amino acids, lysine and arginine, from proteins. 他的团队发现三种消化酶基因相似的改变,这些消化酶的作

发表于:2019-02-16 / 阅读(129) / 评论(0) 分类 经济学人科技系列

听歌学英语:空灵清澈天籁之音SisselCarrier Of A Secret Sissel Kyrkjebo,挪威著名的女歌手,以其空灵清澈的音色踏入歌坛超过10年.是Sissel首张唱流行曲的唱片,十一首歌曲虽然还可发现不少令人联想

发表于:2019-02-18 / 阅读(151) / 评论(0) 分类 听歌学英语

The Indian government will give billions of dollars to rescue its debt-ridden national carrier, Air India. But the government has deferred a decision on allowing foreign airlines to pick up a stake in private Indian airlines, which are also strugglin

发表于:2019-02-18 / 阅读(181) / 评论(0) 分类 英语新闻
学英语单词
Achuyevo
air traffic system command center
airborne tv pick-up station
Alnus sibirica
Alpha-Uraropilite
alternataly-pinnate
apophthegmatist
arable meadow soil
aran r.
articulating halfring
balance-to-unbalance transforme
Balo
Bartlett Inlet
bearing bolt
bellinger
block clear
bottom painting
CA/N
cedes
cirripedia
civilist
cosmographists
cultural norm
CVV number
debt collecting
diaphragm actuator
directory of services
distance between adjacent fixing supports
document-copying paper
eutectic composition
fluorescence branching ratio
fringing fields
gaso
GNAA
Gobindpur
gonfreville
government publication
grandaughters
hamerkop
headachier
heterotrophic bacterium
huish
hummingbird vine
hybrid bridge circuit
iatromathematician
in error
Kivach
lambda calculus notation
large-size indicator
laser bonding
light-actuated SCR (semiconductor controlled rectifier)
lipoid theory
logical database description
lower courts
Luderitz
Lylian
mechanic telescopic spreader
mesogenacerore
military anti-shock trousers
minimum sandards
mugwort
multioutlet metal tube work
Newton's hypothesis
ninibs
nodi-
non-ideal detonation
NTSK
oscar mayer
outdoor use
overlusty
packhorse bridge
perturbed orbit
plastic moulding powder
professional golf
public right of way
rational knowledge
reference formula
research groups
semiconductor metallurgy
Shaohing
Shulman
shut the front door
sigmaspire
sloes
smooth burning
square root of time fitting method
stir your stumps
style
sue for peace
supraventricular tachycardia
television transmitting antenna
third-prize
thresholded gradient
trade distorting device
tri-iodomethanes
ufiprazole
unvanquishable
vireos
VSIA
Walker, C.
welded-in stub
windshirt