[网络] 门德利斯

In his youth Charles Darwin enjoyed all the freedom to experiment and do whatever he liked. The study of physics, chemistry, and later botany, was his hobby. At the age of 22, Darwin was invited to join the scientific expedition on the Beagle. During

发表于:2018-12-04 / 阅读(201) / 评论(0) 分类 人教全日制普通高中英语(必修)高三(全一册)

讲到遗传学,我们不能不提孟德尔。他的研究奠定了遗传学和现代生命科学的基

发表于:2018-12-06 / 阅读(269) / 评论(0) 分类 英文故事剧

M 畸形 malformation 描图 mapping 标记 marker 黑色素瘤 melanoma 孟德尔 Mendel, Johann (Gregor) 孟德尔遗传 Mendelian inheritance 信使RNA messenger RNA (mRNA) [分裂]中期 metaphase

发表于:2018-12-12 / 阅读(239) / 评论(0) 分类 医务英语

[00:06.35]READING [00:07.58]THE BIRTH OF A SCIENCE [00:10.19]Before the eighteenth century, botany was merely a branch of medicine. [00:13.90]Unit then, mostly doctors and surgeons studied herbs. [00:17.97]Attempts had been made by others to classify

发表于:2018-12-13 / 阅读(298) / 评论(0) 分类 高中英语人教版必修第三册

[00:06.35]READING [00:07.58]THE BIRTH OF A SCIENCE [00:10.19]Before the eighteenth century, botany was merely a branch of medicine. [00:13.90]Unit then, mostly doctors and surgeons studied herbs. [00:17.97]Attempts had been made by others to classify

发表于:2018-12-13 / 阅读(285) / 评论(0) 分类 高中英语人教版必修高三

[00:00.63] 4.The Father of Genetics [00:04.55]His name is introduced to biology students, but often forgotten after the final exam. [00:10.76]His pioneering discoveries went unnoticed by the world until years after his death. [00:15.88]But now, in th

发表于:2018-12-26 / 阅读(222) / 评论(0) 分类 温馨夜读II

[00:00.00]Unit 6 In the laboratory [00:04.70]1.Listen,read and practice in pairs. [00:11.47]Do you like to do experiments in a laboratory? [00:16.54]What is a science class like? Let's see what these people are doing. [00:23.90]Teacher:Good morning,e

发表于:2018-12-29 / 阅读(483) / 评论(0) 分类 澳大利亚中学英语

Mendeleyev dutifully completed his studies and eventually landed a position at the local university. There he was a competent but not terribly outstanding chemist, known more for his wild hair and beard, which he had trimmed just once a year, than fo

发表于:2019-01-29 / 阅读(250) / 评论(0) 分类 万物简史

Mendeleyev used a slightly different approach, placing his elements into groups of seven, but employed fundamentally the same principle. Suddenly the idea seemed brilliant and wondrously perceptive. Because the properties repeated themselves periodic

发表于:2019-01-29 / 阅读(244) / 评论(0) 分类 万物简史

For most of us, the periodic table is a thing of beauty in the abstract, but for chemists it established an immediate orderliness and clarity that can hardly be overstated. Without a doubt, the Periodic Table of the Chemical Elements is the most eleg

发表于:2019-01-29 / 阅读(240) / 评论(0) 分类 万物简史

Despite the occasional tidyings-up, chemistry by the second half of the nineteenth century was in something of a mess, which is why everybody was so pleased by the rise to prominence in 1869 of an odd and crazed-looking professor at the University of

发表于:2019-01-29 / 阅读(220) / 评论(0) 分类 万物简史

PEOPLE IN AMERICA – April 28, 2002: Milton Berle By George Grow VOICE ONE: I’m Mary Tillotson. VOICE TWO: And I’m Doug Johnson with the VOA Special English program PEOPLE IN AMERICA. Today, we t

发表于:2019-01-30 / 阅读(403) / 评论(0) 分类 People in America
学英语单词
-blooded
Allomyces
ammodytess
amorphous state
anisotropic cosmology
bayford
be rated as
blow-out magnet
blurriness
bring an opera on the stage
camphor liniment
capacity of air compressor
cellulose filter
cenospecies
coded graphics
commuter trains
cut up rough
cycloalkyne
dental epithelium inner
diode for rectification
downward plunge of the stock market
Egyptian style
Einstein's absorption coefficient
electrometric method
equestrianesses
experiment of fishing remote sensing
experimental electronic switchboard
floating tank
fowl sarcoma
gate rapes
generation of system engineering
ground reaction force
hand signals
heliantemum soongoricum schrenk
heterocaryon test
heterophytic
Histyn
homocarpous
hooky-crooky
ice cracks
intraspecific
kallai
kanzas
keep one's ear to the ground
ladle analysis
large round-cell sarcoma
lauts
lespedeza
lexotatics
malagatany
marrowfat
Michelia foveolata
mizzenmasts
Myristica officinalis Mart.
necessary time
observation report
option fund
organizational sclerosis
parrot-coal
pars descendens (fasc. dors. medull? spin.)
passphrase
patchworks
pepper-potted
pepperpotting
photoetching method
piperonyloyl
Possession vaut titre.
potassium nitroprusside
ptomaine
radiographic stereoscopy
Reissner's membrane
Ribako
Ropesville
sarson
scheduling software
seedy glass
serumal scaling
shifting of load
sikangensis
sinapolin
slovesnost
sportings
star ephemeris
steam turbine-driven feedwater pump
subproducts
sulfations
sushi-go-round
taking the liberty
test the water
Thiamutes
thiapyrylium
timber puller
total resistance
track building machinery
vibration-proof type installation
WECO
weld-edgewise
welded pipe tube
william westmoreland
wired program control
wood sheathed decks