纸浆造纸工业

The torn rags are then boiled in water to which lime and soda have been added. This mixture removes all grease, stains, and colouring matters. The clean white rags are next put with water into another machine, which pulls the fibres apart, tears them

发表于:2018-12-07 / 阅读(156) / 评论(0) 分类 英国学生科学读本

Paper's Long March 纸张的演进 Remember when the 1980s brought us the first wave of the modern computer and electronics revolution? At that time, heady young technocrats forsaw the paperless office. It was claimed that paper would become a thing of

发表于:2018-12-08 / 阅读(468) / 评论(0) 分类 赖世雄高级美国英语

And the Tasmanian timber company Gunns has released a report showing its Tamar Valley pulp mill will deliver $10 billion to the Tasmanian economy over the next 20 years. Gunns hired Insight Economics to examine the economic impact of building its pul

发表于:2018-12-11 / 阅读(132) / 评论(0) 分类 澳洲ABC新闻快递2011年

Technology Report - How to Do It: Making Paper by Hand This is the VOA Special English Technology Report. The earliest process of making paper was done almost five thousand years ago in Egypt and the Nile Valley. In those days, paper was made from st

发表于:2018-12-16 / 阅读(179) / 评论(0) 分类 2011年VOA慢速英语(七)月

The Cotton Tree 棉花树 Sing well fare the cotton-tree! 一起来祝愿棉花树 Bravely may it grow, 长大吧,发出勇气的光彩! Bearing in its seeded pod 让种荚里藏身的棉朵, Cotton white as snow! 像雪花一般洁白! Spi

发表于:2018-12-18 / 阅读(151) / 评论(0) 分类 英国学生科学读本

Cainiao Network Technology Co Ltd, the courier aggregator backed by China's e-commerce giant Alibaba, has launched its latest smart warehouse together with YTO Express in Hangzhou, reports thepaper.cn. This smart warehouse, equipped with the most adv

发表于:2018-12-18 / 阅读(233) / 评论(0) 分类 2018年NPR美国国家公共电台10月

How To Make Paper In Your Own Kitchen Paper is an indispensable part of modern life. In fact, each American uses about 600 pounds of paper every year. Where does all this paper come from? Actually,paper making technology is really quite simple, so

发表于:2018-12-27 / 阅读(146) / 评论(0) 分类 英语时差8,16

Ever since money was invented there have been people trying to fake it. Thats why its important for everyone to know how to spot a fake banknote. And the best thing to do is to know by heart what genuine notes should look like. Here is our expert Lee

发表于:2018-12-27 / 阅读(154) / 评论(0) 分类 英语时差8,16

Remember how stiff jeans used to be? In the olden days, even sitting down or climbing stairs was hard. But these days jeans can be skintight yet surprisingly comfortable. The secret is the spandex, which they add to denim to make it stretchy and comf

发表于:2018-12-28 / 阅读(392) / 评论(0) 分类 轻松英文阅读

On the tops of the mountains there are vast fields of snow and ice like frosting on a huge cake, 山顶有大片大片雪和冰,就像一块巨大的蛋糕上撒满了糖霜。 but as this snow and ice sinks down to the valleys it melts and the wat

发表于:2018-12-28 / 阅读(182) / 评论(0) 分类 美国学生世界地理教材

[00:02.17]Unit 20 New Frontiers Culture Corner [00:06.79]Ancient Chinese Inventions [00:09.71]Paper making [00:11.18]The ancient Chinese invented [00:13.43]and were using paper about 2000 years ago. [00:17.36]Early paper in China was made [00:19.20]f

发表于:2019-01-10 / 阅读(449) / 评论(0) 分类 北师大版高中英语模块7(选修)

This is the VOA Special English Development Report. The earliest process of making paper was done almost five thousand years ago in Egypt and the Nile Valley. In those days, paper was made from strips of the papyrus plant. Modern paper-making began

发表于:2019-01-11 / 阅读(159) / 评论(0) 分类 VOA慢速英语2009年(七)月

This is the VOA Special English Development Report. The earliest process of making paper was done almost five thousand years ago in Egypt and the Nile Valley. In those days, paper was made from strips of the papyrus plant. Modern paper-making began

发表于:2019-01-11 / 阅读(284) / 评论(0) 分类 VOA慢速英语2008年(二)月

It's just the latest batch of holiday catalogs arriving Ted Landphair | Washington, DC 23 December 2009 Photo: Nenyaki, Flickr Creative Commons There aren't many full-service department stores any more and thus, not many Christmas window displays, ei

发表于:2019-01-13 / 阅读(171) / 评论(0) 分类 VOA标准英语2009年(十二月)

We grew up believing that being Chinese was the greatest advantage in life; in our house, everything important in life came from China, was invented in China, owed all to the Chinese. 我们始终相信作为中国人是生活中最大的优势。在我

发表于:2019-01-18 / 阅读(190) / 评论(0) 分类 名校励志英语演讲

Beginners. I walked into the kitchen this afternoon, and I found my son, Robert, climbing through the kitchen window. What on earth are you doing? I asked him. I wanted to open the window so I can pass you all my pumpkins. Okay, I replied, still a bi

发表于:2019-01-28 / 阅读(171) / 评论(0) 分类 英语博客 A cup of English

Protect Chinese traditional heritage, urges senior leader ZHANGJIAKOU, Hebei, Oct. 10 (Xinhua) -- China's traditional and cultural heritage needs to be better protected by the government, senior leader Li Changchun said Wednesday. Li, a member of the

发表于:2019-02-13 / 阅读(159) / 评论(0) 分类 英语新闻

We all know plastic bags are bad for the environment. They litter the landscape and pose a threat to wildlife. 众所周知,塑料袋危害环境。乱丢塑料袋破坏自然景观,还对野生生物构成威胁。 Discarded plastic bags accumul

发表于:2019-02-14 / 阅读(187) / 评论(0) 分类 中英双语新闻

Ever since money was invented there have been people trying to fake it. Thats why its important for everyone to know how to spot a fake banknote. And the best thing to do is to know by heart what genuine notes should look like. Here is our expert Lee

发表于:2019-02-16 / 阅读(164) / 评论(0) 分类 英语听力文摘 English Digest

Ecolab Inc., an American global provider of clean energy technologies and services, has made great progress on helping industries in China to produce their goods with less water consumption. Those industries include dairy plants, food industries, ste

发表于:2019-02-18 / 阅读(148) / 评论(0) 分类 英语新闻
学英语单词
accelerating germination
acceptor impurities
accounting for agency and branch
aestheticized
air separation tank
Anemone cylindrica
antenodals
antliate
Ashap
Aussie battler
australian-born
Ban Houaynam
belita
blooming-mill
botetes
build down proposal
Camellia atrothea
Canuma
caper-cutting
Carutapera
caytonanthus
cellular system
chromato-disk
commercial pure
concretions
cuauhtmoc
current effective interest rate
denare beach
efonidipine
electropulse engine
embryo initial cell
Eufilicine
evaluation of work and allotment of workpoints
exchange of ideas
exothermic phenomena
floating action
forecast map
four fifths
fractional breeding gain
Gan I.
genus agdestiss
giuliani
Glazova, Zaliv
gyroscopic matrix
has one
honey bells
hookin
hosiery classification
Huejuquilla
ignition unit
immunomanipulation
in processing review
induction tensor
INPADOC Data Base
insurde
intermediate voltage power station
isopropyl halide
jasperizing
Korsogasteridae
machine with inherent self-excitation
mature source rock
medium longitudinal plane of tractor
mobility rate table
Mogincual, R.
motion of ship
mouse sensitivity
Mékouma
natural block
nonnormal group
out-of-step operation
overcompensated
parasitical conjunctivitis
peapod
percentum
Perlat i Epërm
portable mine luminaire
posterior gastric artery
pot au feu
potassium sulphite poisoning
printed tape
Pākaur
quiltlike
raise a bogey
reclaimment
restituting
reverse conducting diode thyristor
rip panel
safety in utilizing electric energy
shaft revolution
spare cycles
superromantic
Taranto, Gulf of
temperature scattering
test dosing
transplanting rice seedling by hand
Valhallfonna
valuation at market
valve cage washer
vanikoro solida
wentzel kramers brillouin method
white sand proving ground
working capital norm