抵抗性砧木, 抗性砧木

Natural Skin Care 01 自然皮肤护理 01 [扮靓 -- 皮肤护理] 第一次见面,人们大都首先注意到对方的脸。由于这个以及其他一些原因,保持面部皮肤的清洁、健康对个人自尊、自信,甚至态度都极为重要。 拥有健康的肌肤,并不是依靠昂贵的药方护理或依赖性的皮肤护理。把日

发表于:2018-12-05 / 阅读(190) / 评论(0) 分类 美容时尚英语

By Mario Ritter Broadcast: August 12, 2003 This is Bill White with the VOA Special English Agriculture Report. We often think of agriculture as planting seeds and harvesting crops. But many crops do n

发表于:2018-12-07 / 阅读(140) / 评论(0) 分类 VOA2003(下)-农业与经济

This is the VOA Special English Agriculture Report. These days, if we hear about two different plants being combined, the first thing we think of might is modern biotechnology. But the low-technology process of grafting remains an extremely important

发表于:2018-12-15 / 阅读(132) / 评论(0) 分类 VOA慢速英语2007年(一)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(154) / 评论(0) 分类 VOA常速英语2008年(二月)

By Zulima Palacio Washington 15 March 2007 watch Artemisinin and Malaria Artemisia plant Artemisia plants grow in many parts of the world, and many varieties have long been known to have medicinal properties. One particular variety, Artemisia annua

发表于:2019-01-11 / 阅读(166) / 评论(0) 分类 2007年VOA标准英语(三月)

Grafting is a way to produce plants from pieces of existing plants instead of seeds. Branches or buds are cut from one plant and placed on a related kind of plant. The branch or bud that is grafted is called the scion. The plant that accepts the graf

发表于:2019-01-12 / 阅读(169) / 评论(0) 分类 2010年VOA慢速英语(五)月

By Jessica Berman Washington 24 December 2006 A new study by the World Health Organization has found drug-resistant tuberculosis in virtually all of the 79 countries the organization surveyed around the world, with particularly high levels in countr

发表于:2019-01-12 / 阅读(201) / 评论(0) 分类 2006年VOA标准英语(十二月)

By Paul Sisco Washington 23 March 2007 U.S. scientists in the United States say they have moved a step closer toward success in the fight against malaria, by developing mosquitoes that are resistant to at least one form of the deadly illness. More o

发表于:2019-01-13 / 阅读(184) / 评论(0) 分类 2007年VOA标准英语(三月)

Drug-Resistant Malaria Threatens Effort to Control Disease The biggest fear is the resistance will spread across Southeast Asia and then spill over into Africa, where the vast majority of the 700,000 deaths a year [from malaria] occur. Historically,

发表于:2019-01-13 / 阅读(158) / 评论(0) 分类 VOA标准英语2012年(四月)

MSF: Alarming Scope of Drug-Resistant TB A medical aid group says the spread of multi-drug-resistant tuberculosis is much greater than previously thought. Doctors Without Borders calls the situation alarming. MDR-TB is a form of tuberculosis that doe

发表于:2019-01-13 / 阅读(146) / 评论(0) 分类 VOA标准英语2012年(三月)

Most rice grows in wet environments, but too much water can be disastrous for rice crops. Plant biologist Pamela Ronald helped create a type of flood-resistant rice that is being introduced to India and Bangladesh. In Davis, California, we spoke wit

发表于:2019-01-13 / 阅读(150) / 评论(0) 分类 VOA标准英语2009年(三月)

Drug-Resistant TB Threatens Europe The Olallo Project in Central London was set up to help homeless people from Central and Eastern Europe get back on their feet by helping them find a place to live and get a job. The charity has evolved, though, to

发表于:2019-01-14 / 阅读(146) / 评论(0) 分类 VOA标准英语2013年(三月)

Drug-Resistant TB is Global Threat 耐药性肺结核对全球造成了威胁 The medical aid group -- Doctors without Borders -- warns that drug-resistant tuberculosis has become a global threat. It says despite the growing number of cases, there ar

发表于:2019-01-14 / 阅读(139) / 评论(0) 分类 VOA标准英语2014年(三月)

Bacteria Can Be Resistant to Brand-New Antibiotics 谁在对抗最新的抗生素 Perhaps the chief poster child of antibiotic resistance is methicillin-resistant Staphylococcus aureus, or MRSA. The bacterium is impervious to a suite of antibiotics,

发表于:2019-01-20 / 阅读(175) / 评论(0) 分类 2017年Scientific American(八)月

59 美国科学家正试图培育抗叶锈病小麦 DATE=6-19-01 TITLE=AGRICULTURE REPORT - Developing Wheat Resistant to Leaf Rust BYLINE=George Grow (Start at 59

发表于:2019-01-30 / 阅读(193) / 评论(0) 分类 科技之光

AGRICULTURE REPORT - Who Needs Seeds? The Secret of Seedless Fruits By Mario Ritter Broadcast: Tuesday, August 09, 2005 I'm Faith Lapidus with the VOA Special English Agriculture Report. We often thin

发表于:2019-01-30 / 阅读(146) / 评论(0) 分类 农业与发展

By Scott Bobb Pretoria 19 October 2006 Health officials from southern Africa and the World Health Organization (WHO) met Tuesday and Wednesday in South Africa to discuss ways to deal with growing cases of drug-resistant tuberculosis. Because new dru

发表于:2019-02-04 / 阅读(196) / 评论(0) 分类 2006年VOA标准英语(十月)

An unusual method for producing antibiotics may help to solve an urgent global problem: the rise in infections that resist treatment with commonly used drugs, and the lack of new antibiotics to replace ones that no longer work. 耐受常用药物治疗

发表于:2019-02-06 / 阅读(120) / 评论(0) 分类 阅读空间

Malaria patients being treated at the hospital in Pailin, Cambodia. This spot on the Thai-Cambodian border is home to a form of malaria that keeps rendering one powerful drug after another useless (file photo) Health experts were alarmed to find a st

发表于:2019-02-06 / 阅读(143) / 评论(0) 分类 VOA标准英语2010年(七)月

Properly analysed, Fraunhofer lines provide information about the exact chemical make-up of whatever is reflecting the light. 经过恰当分析,夫琅和费谱线可以提供关于任何反光物体的化学组成的确切信息。 Their patterns

发表于:2019-02-16 / 阅读(160) / 评论(0) 分类 经济学人科技系列
学英语单词
a picture paints a thousand words
abd.
acute hemolytic anemia
adams-nickerson colour difference
agency credit memo
albic material
amundsen ridge
anterior crural nerve
apical scutellars
archmarshals
at the money
autoshapes
Azawad
base resistivity
bookstore
calcareous marl
cannonarchy
catch for let-off ratchet
cenogamy
charge density wave (cdw)
citrus flower midge
coinductions
concour
connected line identification
contractor report
contradanse
curriculum attitude inventory
dactylographer
Damnatz
de facto tort
display life
dust pneumonia
engineering graphics for mining
Esophagorrhaphy
family of paths
ferro-magnetic excitation
forenza
fracture of metacarpal bone
fruit pulse
getting fresh
gotten around
grenadine syrup
haburden
Han-sur-Nied
Healthy as a horse
house-painters
hullinger
ice racing
iroquoian languages
Jamalca
Kunming
Lactuca dissecta
lakeridge
lasing source
laurel cherry
local data transmission
lose your touch
Macquisten film-flotation machine
Mengen
mesitic acid
Milne-Shaw seismograph
morphiococain poisoning
musical drama
oakeley
obseity
open photomultiplier
Paederus
paediatric psychology
panthesin
pendriver
plumleaf
proportioning probe
regentrify
salt water corrosion
shadowplay
shih tzy dog
sociopathological
sorghum long smut
special subject edition
stashable
stick-tight
storm-proof tension means
stream degassing
sunny yellow
supplemental chord
T-shaped conductor
tax bite
temperature resistant
temporary relief
Tew
TG (turbo-generator)
tinselled
tubuloglomerular feedback system
ultra-violet ray
wafds
water sampling condenser
Werdohl
westfalite
wherify
wind cap
Wright equilibrium
you-what