单词:insecticide Bacillus thuringiensis
单词:insecticide Bacillus thuringiensis 相关文章
Plans for Haiti's recovery from the devastating earthquake are on the agenda at the United Nations donors' conference, March 31 in New York. Among the country's top priorities are the estimated 600,000 people who fled the capital, Port-au-Prince, for
Malaria Programs at Risk From Funding Cuts Ami Diabate, has brought her three children to a rural clinic to get the latest anti-malarial drugs. The aid agency Mdecins Sans Frontires - or Doctors Without Borders - is rolling out the pilot program acro
This is the VOA Special English Agriculture Report. In two thousand eight, scientists reported on a study of cotton grown in six provinces in northern China. The study involved bollworms, a major threat to cotton farmers. It also involved Bt cotton,
Studies Link Bee Decline to Insecticide Billion-dollar bees Bees pollinate the flowers that become fruits, nuts and vegetables. The work these insects do is worth about $18 billion a year to U.S. farmers. But honeybee colonies in the United States ha
As you've probably experienced firsthand, some mosquito species have a real taste for warm, human blood. So much so that if you raise them on it the lab, they'll accept no substitute. Fortunately, I don't get major reactions at all. Brad Main is a mo
It's bad enough that mosquitoes suck our blood, and sometimes pass on disease. But there's more. They can actually give you a disease and pee on you at the same time. Adding insult to injury if you will. Jerod Denton, a pharmacologist at Vanderbilt U
Meeting 见面 Mame Thurber, the mother of humorist James Thurber, was a renowned practical joker. In her 60s, she went to visit a friend she had not seen for 30 years. The plan was for Mrs. Thurber to wear a red rose so that the friend could identif
Author James Thurber depended on words for entertainment. 作家詹姆士.瑟伯用词来消遣。 He told me once about a trick he played on a nurse during one of his hospital stays. He asked her what a seven-letter word had three Us in it. She thou
By Zulima Palacio Washington, D.C. 15 December 2006 watch Malaria Summit report President Bush and his wife Laura hosted a White House summit on Malaria Thursday. The conference brought together health ministers from countries affected by malaria, h
To Fight Malaria, Bed Nets Are the Most Important Weapon 蚊帐成为抗疟疾最重要的武器 From VOA Learning English, this is the Health Lifestyle report. United Nations researchers are reporting progress in the fight against the disease malari
New studies confirm that giving anti-malaria drugs to children who are already sleeping under insecticide-treated bed nets provides additional protection in helping control the disease. Smallpox was conquered with a single vaccine. The fight against
ROME, Dec. 3 (Xinhua) -- Italy lacks the necessary energy(能量,活力) and strength for an economic revival while unemployment and poverty are on the rise, warned a report issued Friday. The 44th edition of the Censis think tank social survey, the
In Africa's battle against malaria, two low-tech tacticsinsecticides and bed netshave done a decent job killing off mosquitoes. But it's mainly one species that's been affected. That's a species called Anopheles gambiae, sometimes called the African
Today is Waitangi Day, a day when we remember the Treaty that was signed on Feb 6th 1840, between the Queen of England and the Maori chiefs of New Zealand. In the Treaty, Queen Victoria agreed to protect the Maori and give them the same rights as Bri
Today is Waitangi Day. It is 170 years since the signing of the Treaty of Waitangi. This was a treaty between Queen Victoria of England and Maori chiefs in New Zealand. The Queen promised to give Maori all the rights of British citizens and to protec
By Lisa Schlein Geneva 27 November 2007 The Global Fund to Fight AIDS, Tuberculosis, and Malaria reports nearly every family with children in Africa soon could have a bed net to protect against malaria. The Geneva-based Global Fund says it has delive
Spraying Insecticide Indoors Reduces Spread of Malaria Researchers in West Africa have shown that spraying insecticide indoors can dramatically reduce malaria transmission. Efforts to develop a malaria vaccine have so far been disappointing, so progr
You might not think there would be that many people in the world prepared to devote lifetimes to the study of something so inescapably low key, 你或许会认为,世界上不会有多少人愿意花毕生的心血来研究那个不起眼儿的东西
How to get rid of procrastination? 如何摆脱拖延症? Just take the first step. 只需迈出第一步。 When you start to look too far into the future any task or project can seem close to impossible. And so you shut down because you become ov