单词:organophosphorus insecticide
单词:organophosphorus insecticide 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,
This is the VOA Special English Health Report. A.D.H.D. is attention deficit hyperactivity disorder. Government estimates say three to seven percent of school-age children in the United States have it. Adults can also have it. People with A.D.H.D. ha
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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