焦油酸

tar-acids的用法和样例:

例句

  1. A new syntan product was prepared with tar phenol and ligninsulfonic acid.以工业副产物木素磺酸和焦油酚为主要原料研制出一种新的合成鞣剂。

[00:32.60]1.It's nice of you tobring me thenewspaper,Hobo. [00:37.75]2.You should readyour stars,Eddie.It's very interesting. [00:43.39]3.Wow! It says I'llhave lots to eat anddrink today.I won'tbe hungry! [00:50.83]4.Well,you shouldn'tworry about not

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This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. As Valentines day approaches, remember, its the thought that counts. Just ask a decorated cricket. Because according to a study published in the January

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This is Scientific Americans 60-Second Science. Im Karen Hopkin. This will just take a minute. Many of the key molecules for life have a specific direction, or handedness: DNA twists to the right, amino acids to the left. Now scientists at the Nation

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From VOA Learning English, this is the Health Lifestyle report. Nearly 790 million people around the world do not get enough to eat. Most of them live in developing countries. Many parts of the developing world do not have transportation systems in p

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By Nancy Steinbach Broadcast: July 30, 2003 This is Bill White with the VOA Special English Health Report. A medical study says foods rich in a kind of fat may help prevent Alzheimer's disease. Alzhei

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This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. In 1953 a student named Stanley Miller did an experiment showing that the simple chemicals present on the early Earth could give rise to the basic buildi

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The early Earths oceans were home to a lot of interesting chemistry. Now scientists have found that amino acids thought to be present way back when could have been cooked into other compounds vital for lifean idea you should take with a grain of salt

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Scientists say that omega-3 fatty acids in fish oil can help people with heart disease live longer. But until now, no one knew why omega-3 oils are so beneficial. This is what coronary artery disease looks like. Plaque builds up inside the coronary a

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Olive oil is 100% fat; there's nothing else in it. 橄榄油含有100%的脂肪,除此之外没有别的。 Pancake mix, on the other hand, is only about 11% fat. 相反,煎饼只有约11%的脂肪。 And, yet, olive oil is good for you, and panc

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You need to take proper care of your eyes to maintain good eyesight. There are few fundamental rules that have to be done for good eye care. As you know very well that exposure to sun is very bad for the eyes. Similarly, if you use computer for long

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There are actually twenty-two naturally occurring amino acids known on Earth, 实际上,地救上有22种天然存在的氨基酸, and more may await discovery, but only twenty of them are necessary to produce us and most other living things. 更多

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Proteins are what you get when you string amino acids together, and we need a lot of them. 你把氨基酸串在一起,就得到了蛋白质。我们需要大量的蛋白质。 No one really knows, but there may be as many as a million types of pro

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发表于:2019-03-01 / 阅读(485) / 评论(0) 分类 Wee Sing America
学英语单词
ad dakhiliyah
Amush
anemia
annihilator of a module
aperture of culvert
apronfeedcr
arc instability
azimuth thruster
Ballyhale
be jank
berberises
Birds Landing
bit of skirt
burgundycoloured
cabbage yellow
camera scanning pattern
colbie
compensation apparatus
conglobed
Constantias
continuous-feed
corzo
cynoctonine
Desephrine
desyn
directing tube
discounting bank
dissociative adsorption
Dourdoura
draw ratio
early childhood
ehromophilous bodies
elastatinal
Eliab
entrappeth
erythrismal
explain to
feeder cattle
fixed belt conveyer for feeding salt
fluffy black
fluvial bog
four-in-hand tie
front double biceps
gracilest
halogenated hydrocarbon discharge alarm bell
hiboux
high modulus fibre
hydraulic connector
hypochlorites
income differences
indefinite adjectives
insectivores
investings
labium cerebri
lateral leakage
lecture-room
limiting spot
magnetic track
marking of buoyant apparatus
marmesinin
Michael Tippett
mixing property of degree n
Mlil, Tizi
morphology of geomagnetic storms
National Incomes Commission
normal table
nozzle stack
nucleus of crystal
Nyctiphanes
off our game
photo interpreter
photoconcentrating collector
picumast
Prion L.
pseudo-heat
redland
revascularisation
sawn veneer
separately-compiled language
sergia lucens
set theoretic language
shneiderman
shoe tie
Simplex stern tube stuffing box
slow variation telemetry parameter
suggests
synchronizer trigger
tabognay
Tekken type cracking test
texture map
two-signal method
tyre flange
ultramafic glass (ultrabasic glass)
under investment theory
under-serviced
vault transformers
wetting-out agent
whelky
xanthenyl-carboxylic acid
zariba
zona perforata
zoned-bit recording