[化] 最小检出量; 最小可检出放射性量; 最低检出量; 最低可检出放射性量

Whatever You Want_史逸欣 he's a company man, your right hand 他算是个好伙伴,算是个左右手 13 years and counting 扳着手指流过13年 no detectable ambition. a model of efficiency, far as you can see. 毫无察觉的野心,高效者

发表于:2018-11-29 / 阅读(116) / 评论(0) 分类 流行英文歌曲

Friday, December 1st marks the 30th World AIDS Day. 这个周五的12月1日是第三十届世界艾滋病日。 One aim of the event is to show support for people living with HIV, the virus that causes Acquired Immune Deficiency Syndrome, or AIDS. A

发表于:2018-12-08 / 阅读(53) / 评论(0) 分类 2017年VOA慢速英语(十一)月

The standard measure of a food's spiciness is its rating on the Scoville scale, 食物辣度的标准计量方法是借助史高维尔辣度单位测量, which measures how much its capsaicin content can be diluted before the heat is no longer dete

发表于:2018-12-18 / 阅读(49) / 评论(0) 分类 TED演讲教育篇

When it came to the second round of tests, Dr Golle found that the personalities of those who had gone to university had changed not a statistically detectable jot. 在第二轮测试时,Golle博士发现那些去读大学的人,他们的性格变化

发表于:2018-12-31 / 阅读(60) / 评论(0) 分类 经济学人科技系列

That was intriguing enough for them to be awarded a chunk of coveted observing time on the Hubble Space Telescope, to take a closer look. 这对他们来说足够令人着迷,因为他们可以获得大量观测时间,用哈勃空间望远镜进行

发表于:2018-12-31 / 阅读(49) / 评论(0) 分类 经济学人科技系列

While many of us go through life with the pursuit of money on our minds, were often told that money cant buy happiness. But what truth is there in the saying? Is there a correlation between money and happiness? And if so, how can we use it to our adv

发表于:2019-01-05 / 阅读(70) / 评论(0) 分类 英语新闻视频

This is Scientific Americans 60-Second Science, Im Cynthia Graber. This will just take a minute. Seismologists spend a lot of time listening to the earth. Ocean acoustic monitors have been providing information on the earths vibrations since the 1930

发表于:2019-01-08 / 阅读(96) / 评论(0) 分类 Scientific American(六)月

This is Scientific Americans 60 second Science, I am Cynthia Graber, This will just take a minute. Scientists are looking for Earth-like planets around other stars. But one way to limit the search can be to figure out where an Earth-like planet canno

发表于:2019-01-08 / 阅读(73) / 评论(0) 分类 Scientific American(五)月

Getting Tested Is First Step In Controlling HIV/AIDS 去做检查是控制艾滋病的第一步 From VOA Learning English, this is the Health Lifestyle report. 这里是美国之声慢速英语《健康与生活》节目。 The International AIDS Con

发表于:2019-01-12 / 阅读(63) / 评论(0) 分类 2016年VOA慢速英语(七)月

Show me what you gonna do. Show me what you gonna do. 让我们看看你要做什么 让我们看看你要做什么 That's right. Mr. Goal is on later.We'll talk about how much we love Mr. Goal. Ha. 好吧 待会再聊目标先生 我们来谈谈我们

发表于:2019-01-28 / 阅读(45) / 评论(0) 分类 艾伦脱口秀

Science and technology 科学技术 Astrochemistry 天体化学 The great test tube in the sky 空中的大试管 Space is one big chemistry set 宇宙是一个很大的化学装置 MOST people think of the empty space between the stars as being, wel

发表于:2019-02-04 / 阅读(45) / 评论(0) 分类 经济学人科技系列

今天我们要学的词是 minimum。Minimum 最少的,最起码的。You need to keep a minimum balance of $250 in your checking account in order to avoid a monthly fee. 如果不想交月费,你活期帐户余额必须维持在250美元以上。

发表于:2019-02-04 / 阅读(96) / 评论(0) 分类 英语单词荟萃

Children who spend large amounts of time with their fathers have higher IQs, according to a new study. 一项新研究显示,经常与父亲在一起的孩子智商更高。 Strong fatherly involvement in their early life can also improve a child's

发表于:2019-02-06 / 阅读(60) / 评论(0) 分类 阅读空间

With his supervisor, Harry Whittington, and fellow graduate student Derek Briggs, Conway Morris spent the next several years making a systematic revision of the entire collection, and cranking out one exciting monograph after another as discovery pil

发表于:2019-02-17 / 阅读(70) / 评论(0) 分类 万物简史

20 Small World 第二十章 小生物的世界 It's probably not a good idea to take too personal an interest in your microbes. 要是你对身边的微生物过于在意,这很可能不是个好习惯。 Louis Pasteur, the great French chemist and

发表于:2019-02-17 / 阅读(68) / 评论(0) 分类 万物简史

Howeverand heres the thingpeople on the train would have no sense of these distortions. 然而问题就在这里车上的人并不觉得自己变了形。 To them, everything on the train would seem quite normal. 在他们看来,车上的一切似乎

发表于:2019-02-17 / 阅读(44) / 评论(0) 分类 万物简史

Science and technology 科学技术 Medical technology 医学技术 Skin deep 肌肤之下 A better way to diagnose skin cancers 诊断皮肤癌的更好方法 DERMATOLOGISTS are good at spotting unusual bits of skin that might or might not be cancer

发表于:2019-02-18 / 阅读(61) / 评论(0) 分类 经济学人科技系列

TOKYOStrong aftershocks continued to rattle Japan main's southern island of Kyushu on Sunday as rescuers confronted harsh weather in a race to rescue dozens of people believed still trapped under collapsed buildings. At least 41 people have died, six

发表于:2019-02-18 / 阅读(93) / 评论(0) 分类 英语新闻

16. UPBRAlD : REPROACH :: (A) dote : like (B) lal: : stray (C) vex : please (D) earn : desire (E) recast : explain Directions: Each passage in this group is followed by questions based on its content.

发表于:2019-02-21 / 阅读(177) / 评论(0) 分类 实用英语

Science and technology 科学技术 Forensic zoology 法医动物学 The elephant in the room 房间里的大象保护大象,刻不容缓! Dating ivory has just become easier. Poachers beware 确定象牙年代已变得更容易了,偷猎者们要

发表于:2019-02-24 / 阅读(223) / 评论(0) 分类 经济学人科技系列
学英语单词
2-furoyl chloride
akanthomyces aranearum
alignment curve
angiotropic lymphoma
Arctic Red R.
ardi
Arzacq-Arraziguet
Aschoff body
associated differential operator
at a full gallop
Ayranci
bacteremias
balsam creek
Ban Non Kho
baring of physiological blind spot
bonded brickwork
bornness
burnetizing
caption-
debris ice
Dendropanax dentiger
dithionate
double star quad construction
drew in
dysmorphogenesis
European wildginger
extinction of an action
eyeworms
family gentianaceaes
fibrillar orientation
first class firm
foxskin
giftbook
goat's beard
gran-
handbills
handiwork
haugull
have come a long way
have off
Hercules' Pillars
hotek
hull appertenances
hydrogen-tight
inhibitor film
international reserve creation
isabela
Johannsen's classification
Kavallari
large-scale time-sharing system
look the very picture of
low-grader
loxa bark
lumisterol
mediastinal vein
mergers-and-acquisitions
meter panel
microagglutination
microgravity experiment satellite
monochasy
multichannal machining
next in
non condensing bleeder turbine
non-threadable conduit
OTH radar
photoelectric nigrometer
poa
power generation evaluation
practicing license
prenaris
process-oriented description
proglumide
psalmographers
put someone out of one's head
redissolved
samarian
sandhole
school-goers
see if I care!
semioval centre
set hammer
surface hoar
tetrahydroxyanthraquinone
tied-up
tissue-typings
tongue-fish
transcoronary
traversing screw jack
truss post
two-way telephone circuit
unveilings
vaselinum album
videodisc parameters
vilaines
viola da braccio
visual center
von Ebner gland
waffen
wage-labour
weismanns
well-contesteds
zenoes of citium