【微生物学】革兰氏阴性菌

Gram-negative bacteria的用法和样例:

例句

  1. Endotoxin is the key etiologic factor of pulmonary damage secondary to severe infection of Gram negative bacilli.内毒素血症是严重革兰氏阴性菌感染导致肺损害发生的关键因素。
  2. Lipopolysaccharides are a major component of the cell walls of Gram-negative bacteria.脂多糖是革兰氏阴性菌细胞壁的重要组成成分。

Bacteria are extremely small living things. While we measure our own sizes in inches or centimeters, bacterial size is measured in microns. One micron is a thousandth of a millimeter: a pinhead is about a millimeter across. Rod-shaped bacteria are u

发表于:2018-11-28 / 阅读(489) / 评论(0) 分类 新概念优美背诵短文50篇

Bacteria are extremely small living things. While we measure our own sizes in inches or centimeters, bacterial size is measured in microns. One micron is a thousandth of a millimeter: a pinhead is abo

发表于:2018-12-01 / 阅读(195) / 评论(0) 分类 新东方背诵文选

A new study into the hygiene of supermarkets has found that shopping carts are dirtier than the stores bathrooms. Microbiologist Dr Charles Gerba of the University of Arizona conducted research on the handles of 85 carts in four American states. He r

发表于:2018-12-07 / 阅读(183) / 评论(0) 分类 创新英语

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Sometimes a bit of bacteria can be just what the doctor ordered. If you prize yogurt for its active cultures, you know what Im talking about. Now a new s

发表于:2018-12-24 / 阅读(124) / 评论(0) 分类 Scientific American(九)月

They say that who you hang out with says a lot about who you are. Well, the microbes that hang out on your fingers can point to exactly who you are. Because scientists at the University of Colorado in Boulder have been able to identify individuals ba

发表于:2018-12-24 / 阅读(116) / 评论(0) 分类 Scientific American(三)月

This is the VOA Special English Health Report. Tuberculosis killed one million three hundred thousand people around the world in two thousand seven. In addition, almost half a million people who were infected with tuberculosis and with H.I.V. also di

发表于:2019-01-02 / 阅读(96) / 评论(0) 分类 2010年慢速英语(三)月

This is the VOA Special English Health Report. Bad teeth can be painful -- and worse. They can even be deadly. Infections of the gums and teeth can release bacteria into the blood system. Those bacteria can increase the chances of a heart attack or s

发表于:2019-01-07 / 阅读(101) / 评论(0) 分类 2010年慢速英语(三)月

By Ruth Reader Washington, DC 13 February 2008 There is growing concern around the world over illnesses caused by new antibiotic-resistant bacteria, or so-called superbugs, and the decreasing effectiveness of antibiotics to treat infections. Earlier

发表于:2019-01-07 / 阅读(124) / 评论(0) 分类 VOA常速英语2008年(二月)

HEALTH REPORT -August 7, 2002: Bacteria in Food This is the VOA Special English Health Report. An American food company recently recalled about eight-million kilograms of ground beef that is used to m

发表于:2019-01-07 / 阅读(108) / 评论(0) 分类 健康与环境

第四节 适应症 适应症最常用的有以下几种表示方法 Indications适应症 Indications and Usage 适应症与用途 Major(Principal)Indications 主要适应症 Uses用途 Action and Use作用与用途 偶尔也会见到其他的表示

发表于:2019-01-08 / 阅读(184) / 评论(0) 分类 医学英语

HealthReport-GutBacteria:WeAreWhatWeEat This is the VOA Special English Health Report. The human digestive system is full of bacteria -- mostly good bacteria. These organisms help break down food so the body can use the nutrients. Scientists are expl

发表于:2019-01-12 / 阅读(151) / 评论(0) 分类 2011年VOA慢速英语(九)月

Experts: Let Produce Dry Out to Avoid Bacteria American researchers say farmers should wait one day after a rain storm or watering their fields to harvest fresh fruits and vegetables. They say gathering the crops at least 24 hours after rainfall incr

发表于:2019-01-12 / 阅读(229) / 评论(0) 分类 2015年VOA慢速英语(七)月

Around the world, cesarean births are on the rise, and many experts think that's a bad thing. Now, a new study looks at one way that babies delivered by c-section are different. The number of surgical deliveries has been increasing for years. Some ce

发表于:2019-01-13 / 阅读(109) / 评论(0) 分类 VOA标准英语2010年(七)月

E coli: Good Bacteria Gone Bad As a major outbreak of a highly toxic strain of E. coli bacteria continues to sicken residents of Europe, medical experts are racing to find the source. E. coli doesn't usually cause any trouble, says University of Minn

发表于:2019-01-14 / 阅读(154) / 评论(0) 分类 VOA标准英语2011年(六月)

ROBERT SIEGEL, HOST: Now some good news, especially for babies around the world. Scientists in the U.S. and India have found an inexpensive treatment for a common infection. It could save hundreds of thousands of newborns each year. The treatment com

发表于:2019-01-16 / 阅读(137) / 评论(0) 分类 2017年NPR美国国家公共电台8月

DAVID GREENE, HOST: For the first time, scientists have figured out just how many tiny critters are living inside your kitchen sponge. Now, don't fear. NPR's Michaeleen Doucleff says there is something you can do about this. MICHAELEEN DOUCLEFF, BYLI

发表于:2019-01-16 / 阅读(121) / 评论(0) 分类 2017年NPR美国国家公共电台9月

Cigarettes Are Bacteria Sticks, Too A study in the journal Environmental Health Perspectives finds that cigarettes harbor various species of bacteria, some of which cause disease. Karen Hopkin reports This January, the country Turkey will join a hand

发表于:2019-01-30 / 阅读(142) / 评论(0) 分类 60秒科学

European and World Health Organization scientists say a deadly outbreak of E. coli bacteria that has killed 18 people is a rare and virulent(致命的) strain of the bacteria. The latest victim died Wednesday night in Germany. The United Nations agen

发表于:2019-02-04 / 阅读(124) / 评论(0) 分类 英语新闻

BEIJING, May 24 (Xinhuanet) -- Scientists revealed for the first time the molecular structure of proteins, which enables bacteria to transfer electrical charges, according to a new study. The revelation was published in Proceedings of the National Ac

发表于:2019-02-07 / 阅读(100) / 评论(0) 分类 英语新闻

48 Bacteria Bacteria are extremely small living things. While we measure our own sizes in inches or centimeters, bacterial size is measured in microns. One micron is a thousandth of a millimeter: a pinhead is about a millimeter across. Rod-shaped bac

发表于:2019-02-17 / 阅读(121) / 评论(0) 分类 双语有声阅读
学英语单词
accuse
actuarial evaluation
Ampelocalamus
analysis of damage
aplotaxene
arm corp.
autantitypy
auyuittuq
ben franklin
Bombyliidae
bulbospinal paralysis
bureaucratic incapacity
carboxymethyl
cash in deposit
Central American Common Market
cerebrospinal index
chain-type continuous casting machine
chiffonade
Chulyshman
city planning implementation
climatological analysis
colic artery
consistent formula
ctne network
degree of gross start-stop distortion
demagogues
desaturates
dietotoxicity
difficultate
Direct use
discharging chute concrete mixer
duetter
emblematically
enlarging adapter
equisetiformis
European,
excogitators
Federal agency bond
flexiboard
fold-thrusts
foody
form panel
fringe issue
gabors
go one's ways
haloperidol (haldol)
hardly good enough
Helsinkite
heterocentron roseum nand.
high-frequency section
high-performing
highstand systems tract
hydraulic compartment
i can't help it
Kafue River
karkadanns
Kuma-gawa
labraundas
lenswoman
Loiya
macadamizaton
make it one's business to do
maxillar
monoazo dye
nonshared information
oscillating weight support
out-spoken
Paphiopedilum armeniacum
peculiar galaxy
phlebologists
physical input/output
picturing
Pr65gag
prismatic manganese-ore
protolophid
ropish
sail boat
schionning
sea-front
Separator-Nobel dewaxing process
settling height
silk shag
Simpson's rule
slot seam
Sternberg task
sternitic
stony ground
suction throttling valve
synchronized flash
synchronizing information
teletranscription monitor
the First World War
thermopolypneic
Trousseau's spot
unregulate
unspread
unsupple
vanity domain
vivider
warning sonar
waterlooplein
webis