[化] 三氧化二磷

phosphorus trioxide的用法和样例:

例句

  1. Phosphorus Pentoxide, also called Phosphoric Acid Anhydride, is a white, spiculate crystal.五氧化二磷又名磷酸酐,白色针状晶体。

The little splints of wood which we call matches are made out of deal or pine wood which has been soaked in melted paraffin wax to make it burn more easily. 这种被我们称之为火柴的薄木片由欧洲赤松(松树)制成, 在液体的石蜡

发表于:2018-12-18 / 阅读(114) / 评论(0) 分类 英国学生科学读本

Have you ever had a problem getting a match to light? If so, you might be using the wrong type of match. There are actually two different types of matches: safety matches and strike-anywhere matches. 以前你点燃火柴时有没有点不着的时候呢

发表于:2018-12-18 / 阅读(103) / 评论(0) 分类 2018年NPR美国国家公共电台2月

This is Scientific American's 60-Second Science, I'm Christopher Intagliata. Got a minute? Life on earth requires six basic ingredientscarbon, hydrogen, nitrogen, oxygen, sulfur and phosphorus. Those six elements are the building blocks for DNA and R

发表于:2019-01-08 / 阅读(138) / 评论(0) 分类 Scientific American(十二)月

This is the VOA Special English Agriculture Report. Hogs at an Ohio farm Research shows that waste from pigs that are fed a special kind of corn may help a farmer's crops. And it also may help the environment. Any farmer who raises swine knows that

发表于:2019-01-11 / 阅读(170) / 评论(0) 分类 VOA慢速英语2008年(八)月

By Peter Fedynsky Moscow 18 July 2007 Officials in Ukraine are assessing the damage of a train crash in western Ukraine that sent huge clouds of burning phosphorus billowing into the air. The accident, which took place Monday, is raising health conce

发表于:2019-01-12 / 阅读(145) / 评论(0) 分类 2007年VOA标准英语(七月)

MARY LOUISE KELLY, HOST: Summertime brings algae blooms to many parts of the country - those mats of bright green organisms that can blanket waterways. In places like Florida's Lake Okeechobee, the blooms hurt tourism. They kill fish. They threaten w

发表于:2019-01-17 / 阅读(133) / 评论(0) 分类 2018年NPR美国国家公共电台7月

The commercial potential for the stuffwhich soon became known as phosphorus, from Greek and Latin roots meaning light bearingwas not lost on eager businesspeople, but the difficulties of manufacture made it too costly to exploit. An ounce of phosphor

发表于:2019-01-29 / 阅读(124) / 评论(0) 分类 万物简史

Matches Striking matches, on this Moment of Science. Have you ever had a problem getting a match to light? If so, you might be using the wrong type of match. There are actually two different types of matches: safety matches and strike-anywhere matche

发表于:2019-02-26 / 阅读(125) / 评论(0) 分类 英语听力文摘 English Digest
学英语单词
achoricin
APERTASE
archocele
backward sweep
below-standard
berchemia lineata
bio-assay
brake fluid reservoir
bristol-meyers
casing swage
cationic dye
cold stores
company type
concentrate mixture
contactless IC card
cornucoquimba nodosa
critical area
delivery on demand
dew cap
diseconomy of scale
dislocation of lens
double-cone mandrel
Economist's
elevation of zero point of barometer
epuration
external declaration
failing-firm defense
flecklessly
four drum revolving reel
four-bit bipolar microprocessor slice
furnace water cooling
Gialtra
guarea
guilford's structure of intellect
hagio
Homanp'o-ri
hooghly r. (hugli r.)
imaxes
immediate apprehensions
in-can
irregularity measured on loaded track
jagziekte
Keshan
Langerhansian hormone
lathi
laugh-maker
layer cathode
local attack
loehr
looped pile
lucrative capital
marine geodetic surveying
means of going astern
megaspheric
memmel
multi-documentation
nickel-plating
nonpedestrian
nose ahead
open a savings account
Panimycin
pouar
proceduration parameter
pulse-shaping circuit
quasi-transverse propagation
refilmings
release catch
russian banks
Seodaejeon
service component
shahdom
ship constructor
side-view mirror
sine center
SMATV
smooth-talk
sodium anthophyllite
Spallanzani's law
stabilitate
stable limit cycle
standard pipe bender
strike sail
Sturgeon Lake
subacute delirium
suberous layer
super-reaction
swish-swish
tetartohedrism
three mode command language
three-stage stereocomparator
threo form
total macroscopic cross section
transport documents
two-speed pump
unconditional endorsement
undewy
unpraiseworthily
Ust'-Dolyssy
valve rubber
vasospasm stage
weyre
zero-sequence symmetrical component