[建] 丁酸纤维素

cellulose butyrate的用法和样例:

例句

  1. In order to prepare cellulose acetate-propionate,the acid activation of cellulose was investigated in this paper.以合成醋酸丙酸纤维素中的酸活化为例对纤维素的酸活化进行了研究。

AMERICAN MOSAIC - Madeleine Peyroux: A Young Singer With a Voice From the Past By Lawan Davis and Dana Demange Broadcast: Friday, August 12, 2005 (MUSIC) HOST: Welcome to AMERICAN MOSAIC, in VOA Speci

发表于:2018-12-07 / 阅读(183) / 评论(0) 分类 American Mosaic

Syrian Forces Shell Homs, Block Aid to Rebel Stronghold A Syrian government military offensive continued across parts of the country Saturday, including the sporadic shelling of parts of the beleaguered city of Homs. An elite government brigade captu

发表于:2018-12-16 / 阅读(81) / 评论(0) 分类 VOA标准英语2012年(三月)

The Pyramids in Cairo are my favourite buildings in the whole world. I knew all about them when I was very young. They have always fascinated me. They really are one of the worlds wonders. People still dont know how they were built. I think they are

发表于:2018-12-26 / 阅读(92) / 评论(0) 分类 纯正英语一分钟

Don: Time to go again to the A Moment of Science mailbag. Yal: A listener writes: Dear A Moment of Science, Scientists know that one day we'll run out of oil and other natural sources of energy. Beyond solar power and wind power and ethanol, what are

发表于:2018-12-27 / 阅读(86) / 评论(0) 分类 英语时差8,16

[00:00.00]3 Listen and circle. [00:05.52]You will hear Peter talk [00:07.18]about the history of kites. [00:09.52]Listen and answer the questions. [00:12.23]Kite-making is an ancient Chinese art. [00:15.12]In China ,the first kites were [00:17.22]mad

发表于:2018-12-29 / 阅读(149) / 评论(0) 分类 外研社新标准初中英语九年级

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This'll just take a minute. It sounds like something out of a bad science fiction novel. During World War II, a fungus called Tricoderma reesei ate its way through US military unifo

发表于:2019-01-08 / 阅读(103) / 评论(0) 分类 Scientific American(五)月

Scientists in Brazil are turning fruit fibers into car parts. At a recent meeting of the American Chemical Society, the researchers described their work in making the next generation of automotive parts made from natural fibers from bananas, pineappl

发表于:2019-01-09 / 阅读(97) / 评论(0) 分类 VOA标准英语2011年(四月)

Biffy Clyro是来自苏格兰的一个摇滚组合, 有三个成员组成,Simon Neil and school friend twins James and Ben Johnston. They have three albums so far, Blackened Sky, The Vertigo Of Bliss and Infinity Land,喜欢摇滚的沪友可以去

发表于:2019-01-10 / 阅读(87) / 评论(0) 分类 英文特辑精选

Turning Cigarette Butts to Batteries 烟头转变成电池 If you see a person carelessly throw a cigarette to the ground, what are you likely to think? That depends. If you hate people throwing things on the ground, you might think, That person shou

发表于:2019-01-12 / 阅读(104) / 评论(0) 分类 2014年VOA慢速英语(九)月

Alawites Fear Future as Syrian Conflict Intensifies Inside a Cem house, an Alawite place of worship, in the Turkish city of Gaziantep close to Syria. The rituals, music and dance are alien to most other Muslim worshippers - as is the huge canvas pict

发表于:2019-01-13 / 阅读(113) / 评论(0) 分类 VOA标准英语2012年(七月)

Syrian Smugglers' Operations Booming in Jordan Overlooking Syria's southern border from Jordan, Ahmed Al-Masri is making plans to cross it. He leads a group of Syrian smugglers who risk everything on a daily basis to bring supplies into the country.

发表于:2019-01-13 / 阅读(97) / 评论(0) 分类 VOA标准英语2012年(五月)

Syrian President Bashar al-Assad is proposing to mediate between the West and Iran, telling an Italian newspaper that he's prepared to act as a go-between to improve relations that have been further strained over Iran's nuclear program. Syrian Presi

发表于:2019-01-13 / 阅读(99) / 评论(0) 分类 VOA标准英语2009年(三月)

Syrian Refugees Resented by Some in Turkey Antakya, a small city near Turkey's border with Syria. Some residents recently protested against Syrian refugees here and some have asked police to remove them from their neighborhoods. Syria's civil war has

发表于:2019-01-14 / 阅读(102) / 评论(0) 分类 VOA标准英语2012年(十月)

US Very Concerned About Syrias Sarin Gas The conflict between rebels and the Syrian government is intensifying. Now U.S. officials say there is movement activity around Syrias chemical weapons sites. Experts say it is a dangerous sign that a war invo

发表于:2019-01-14 / 阅读(135) / 评论(0) 分类 VOA标准英语2012年(十二月)

Key opposition figures in Kyrgyzstan are claiming control of the government the day after President Askar Akayev reportedly fled the country. Meanwhile, widespread unrest and looting continues in the capital city of Bishkek. 在有报道说阿卡耶夫

发表于:2019-01-19 / 阅读(99) / 评论(0) 分类 VOA双语新闻 Bilingual News

埃及金字塔并非奴隶所建 New tombs found in Giza support the view that the Great Pyramids were built by free workers and not slaves, as widely believed, Egypt's chief archaeologist said on Sunday。 Films and media have long depicted sla

发表于:2019-02-01 / 阅读(122) / 评论(0) 分类 阅读空间

歌曲 : All In One 艺人 :Gyroscope 音乐星级 : ★★★★ 所属专辑 :Breed Obsession 发行年代 :2008 风格 :Rock 相关介绍 :Breed Obsession是澳大利亚摇滚乐队Gyroscope的第三张录音室专辑,由Dave Eringa制作,华纳音乐2008年3月8日正式发行。 这张专辑的录制

发表于:2019-02-06 / 阅读(109) / 评论(0) 分类 英文摇滚歌曲

DAMASCUS, March 27 (Xinhua) -- Syria reportedly accepted Tuesday a six-point plan by Kofi Annan, the joint special envoy of the UN and Arab League (AL) for Syria, to end the year-long violence, according to Annan's spokesman. The spokesman said in a

发表于:2019-02-09 / 阅读(92) / 评论(0) 分类 英语新闻

Artist:Tamas Wells Song:The Crime At Edmond Lake The leaves were raked at the end of Edmond Lake For the teams to find the evidence of why They had failed to rise and run out and hide When they heard the voices calling from the flame trees I coul

发表于:2019-02-20 / 阅读(122) / 评论(0) 分类 金属

台湾籍旅美老师今天交给我们的句子是: It's not rocket science: Focus on lean protein, healthy fats and non-processed, unrefined carbohydrates such as vegetables, beans, whole grains and fruit. 这不难懂:多摄取低脂肉类、健

发表于:2019-02-22 / 阅读(98) / 评论(0) 分类 留美老师带你每日说英文
学英语单词
access path
aft pivot cap
alkaline-earth oxide
archmarshals
Asdrin
basigamy
bottom brackets
brenden
Brezice
bridged-T
broomweeds
Callicarpa pingshanensis
canonical multilinear mapping
category of group
chlorobutyric acid
cinchonane
Cocain-delirium
comparing watch
complex projective plane
conglomerate market competition
customshouses
cystic sarcoma
deformation resilience
Diex
embolster
entropy-discriminate
family Carabidae
financial delict
fistulo-jejunostomy
fling on
four-tiers
gasket seal
Haba, Alois
handfasted
Herald Harbor
hevenly
high-speed disconnecting switch
holographic reproduction
impugned
inland custom duty
inner distribution
inter vivos
interlayer contact
inverted cusp
Kammerbach
kaptchuk
Koilābās
koivula
landing skid
latuss
Lau Ridge
liquid-phase cracking process
low-pressure molding
macrocode
mire
mutokoes
negotiation of drafts
new and altered names
nisha
nozzle orifice
Ombrocharis dulcis
overbearing conduct
oxidative dehydrogenation
P-Hydroxybenzoates
particle density
pauraque
pavilion of ear
pedestrian crossing lights
Penang lawyers
plurivorous parasite
pollutant type
polyode
precast liquid missile
purging of heat-supply pipeline
putzing
real-time spectral analysis
recoils
refractive constant
Rhodotorula mucilaginosa
riveros
sales slip
salvage suction hose
semi-anatropous
semi-countercurrent extraction
Septêmes-les-Vallons
session host
silica geothermometer
Singako
single pylon cable stayed bridge
single-output system
sublingual mucosa
succinylsalicylic acid
tail gates
tangent modulus stress
total manufacturing cost
transfer duty
transferable sterling
uncovered
unisounding
venenata stomatitis
with adroitness
xanthochromism