[化] 水溶性高分子; 水溶性聚合物

Some people like to make their cocoa by boiling the nibs in water. 有些人喜欢用水来煮可可粒, When this is done, a layer of cocoa-butter is formed on the top of the cocoa. 这样一来, 可可的上面就会形成一层可可脂。 But mos

发表于:2018-12-18 / 阅读(76) / 评论(0) 分类 英国学生科学读本

1. dissolution /ˌdɪsəˈlu:ʃən/ -- act of loosening or breaking up into component parts; disintegration; ruin; destruction When President Lincoln took office, the Union faced imminent dissolution. 当林肯总统就职时,北军就面临着迫切

发表于:2018-12-18 / 阅读(92) / 评论(0) 分类 突破英文词汇

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Are your car bumpers riddled with scars from encounters with tight parking spaces? Did the furniture movers scratch your floor? Wouldn't it be great if t

发表于:2018-12-24 / 阅读(101) / 评论(0) 分类 Scientific American(四)月

This is Scientific Americans 60 second Science, I am Christopher Intagliata, got a minute? You know what fiber's good forto keep things moving smoothly downstairs. But it's not just for staying regular. Fiber can boost the number of beneficial bacter

发表于:2018-12-24 / 阅读(142) / 评论(0) 分类 Scientific American(六)月

This is Scientific American's 60-Second Science. Im Cynthia Graber. This will just take a minute. Buildings consume about a third of the energy and two-thirds of the electricity in the U.S. Roofs are a good place to try to cut those figures. Because

发表于:2018-12-24 / 阅读(129) / 评论(0) 分类 Scientific American(三)月

Most of us blink without thinking. But people whove sustained strokes or combat injuries can lose their ability to blink. Which is important for lubricating and cleaning the eye. Surgery is an optiona small piece of muscle transplanted from the leg c

发表于:2018-12-24 / 阅读(110) / 评论(0) 分类 Scientific American(一)月

Lowering the Ceiling on Roof Energy Losses Buildings consume about a third of the energy and two-thirds of the electricity in the U.S. Roofs are a good place to try to cut those figures. Because traditional black asphalt roofs heat up in summer and s

发表于:2019-01-02 / 阅读(114) / 评论(0) 分类 60秒科学

pH - a measure of how acid or alkali a solution is. As the pH gets lower, the solution is more acid. At a pH of 7 the solution is neither acid nor alkali. pH is the inverse of the logarithm of the con

发表于:2019-01-03 / 阅读(113) / 评论(0) 分类 医务英语

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(149) / 评论(0) 分类 Scientific American(九)月

Cooking is one big science experiment and chefs have been gaining fame for more explicit uses of scentific techniques and tools in the kitchen. Now, according to an article in the December issue of physics world, mixologists the folks behind the bar

发表于:2019-01-08 / 阅读(98) / 评论(0) 分类 Scientific American(十二)月

Patients undergoing coronary bypass surgery need implants of new, healthy blood vessels. So do those who receive repeated hemodialysis due to kidney failure. The best option is to use the patient's own veins or arteries, but thousands of patients don

发表于:2019-01-08 / 阅读(122) / 评论(0) 分类 Scientific American(二)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Solar cells convert sunlight to electricity. But they don't take advantage of all that solar heat, thereby missing out on the majority of the solar ene

发表于:2019-01-08 / 阅读(170) / 评论(0) 分类 Scientific American(四)月

第二节 性状 许多药品说明书的第一项是Description(性状),其原意是叙述、描写,在药品说明书及药典中一般都译为性状,其内容主要是介绍外观、理化性质、组成成分、结构、特征等。这一

发表于:2019-01-08 / 阅读(154) / 评论(0) 分类 医学英语

Research Breakthrough for Biodegradable Tires? 研究人员研发完全可降解轮胎 Researchers say they have created a new synthetic rubber that could be used to make biodegradable tires. A team at Texas AM Universitys campus in the Gulf nation o

发表于:2019-01-12 / 阅读(82) / 评论(0) 分类 2016年VOA慢速英语(九)月

'Smart' Bandages Could Heal Wounds More Quickly 智能绷带有助更快治愈伤口 Simple bandages are usually seen as the first line of attack in healing small to moderate wounds and burns. But scientists say new synthetic materials with embedded

发表于:2019-01-14 / 阅读(170) / 评论(0) 分类 VOA标准英语2016年(二月)

1. Brain Booster: Blueberries 1. 健脑小能手:蓝莓 This fruit may help you snap back. Blueberries high flavonoid content has been found to help short- and long-term memory. Remember to add a handful to a bowl of oatmeal or cereal. 这种水果能

发表于:2019-01-17 / 阅读(112) / 评论(0) 分类 实用英语

A contraceptive pill that could be taken by men as well as women could be on the horizon. 一种男女通用的避孕药即将问世。 A breakthrough in the understanding of the biology of sperm could lead to a unisex version of the Pill, US governm

发表于:2019-01-19 / 阅读(184) / 评论(0) 分类 实用英语

Red bell peppers 红灯笼辣椒 When it comes to vitamin C, one red bell pepper serves up more than twice the vitamin C you need in a day. Vitamin C keeps your skin smooth and healthy by helping you make more collagen, which is essential for firm, s

发表于:2019-02-08 / 阅读(85) / 评论(0) 分类 阅读空间

1. It is very hydrating. 盈润保湿。 Celery is high in water content (95% water) and electrolytes, which are vital for proper hydration and cellular functions. For a super re-hydrating drink (e.g. after a long flight or after having food poisonin

发表于:2019-02-17 / 阅读(122) / 评论(0) 分类 阅读空间

Oxygen itself is not combustible; it merely facilitates the combus tion of other things. (氧本身是不可燃的,它只是帮助别的东西燃烧。 This is just as well, for if oxygen were corn bustible, each time you lit a match all the air

发表于:2019-02-25 / 阅读(96) / 评论(0) 分类 万物简史
学英语单词
-onium
Abbadids
afferent neurofibers
after-shows
Agrippina the Younger
antechapel
antidazzle mirror
aviva
Aydintepe
azimuth operator
backward branch
beam of variable cross section
beat screws
biphotochromic
boil pot
brawnedness
cage effect
ceder
centring controller
disk of attachment
ditch-digging
dry cargo barge
Dulong-Petit law
ebben
efficiency of labour
element 107s
euchrysops cnejus
exosplenopexy
fibrous ankylosis
filled tower
follow on current
forelies
gas ballast control
gomecista
havemann
human shields
impressed-voltage
in considerable detail
information handling system
intelligenced
isopolyacid
Izbrizh'ye
jipyeong-ri (chipyong-ni )
jivanmukta
lamplerss
lapse rate of temperature
local project
lodestar
long-termer
madder pink
maritime communication subsystems
mentorees
metal carbonyl catalyst
Miedzychod
Milingimbi
mortise-and-tenon joint
national trade
non-metallic detector
Oh.
operculitis
OR (operating room)
Ostrohe
overcropped
overexcitable
overhead copying camera
oxycoal gas flame
Pagsabaňgan
paleomagnetochronologic
pelvics
perlecan
poleshoe
pourable liquid
power castdown
principal reduced form
psychogenic reaction
pull quotes
rampish
rate distortion theory
reeling hook
regular abrasive
revision of bylaws
right quotient field
roll turning lathe
salliable
Selmes
seltzer water
sordid
stop cutting machine
take a fancy
temperate-westerlies index
thermoluminescent dosimetry
thick fur
transaction on exchange
traumatic neuroma
troop fire
tyberculin
Ujilāba
unclosed contour
viabilities
water-glass color
wholesale goods
zebra mussel