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[万花筒] 【整理】2013-02-14&02-17 如何洗手最干净?洗手液-肥皂杀菌效果大对决

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[Homework]【整理】2013-02-14&02-17 如何洗手最干净?洗手液-肥皂杀菌效果大对决

In the season of flu and so many other germs we will told again and again hand sanitizers and soap are the best defence. Last year American spent more than 170 million dollars on hand sanitizers alone. So we wondered what was the best and how do the sanitizers compared with the show down with soap, we tonight our chief medical editor doctor puts them to the tests and gets some real enters. Queen? As many as 400 million germs perhen, that is how many bacteria travel with it every day. so you are the university of maryland from lab six brave grad students are voluntarily dust their hands in a toxic brew,thousands of Ecoli bacteria, Ecoli, something now are a little odd about rubbing Ecoli. to see what we take it off. First up hand sanitizers we tested two kinds you will find in the store. One was 16 percent alcohol and one so called natural formula containing no alcohol. The key with hand sanitizers is to use enough of it your hands should take a full 15 seconds longer to dry. Now let there air dry then we press our hands onto special incubation place ,growing in a remaining bacteria the result dramatic,those green spots are equal ibek crew from unwashed hand. After using hand sanitizers with 16 percent alcohol formula with all the alcohol just look how many gems are left behind. Alcohol based hand sanitizers work so much better because alcohol break the bacteria's protein and kills them. But if you willing want to get clean what you best of all. Guess what? It is your old friend soap so not only does it is well on bectria as the sanitizier it is gets more virius too. Surprisingly study show regular and antibactieria soap are about equally effective. But how you use it is crucial.most of us only spend 5 second in the sink, just look how many gems remain. You have to wash your hands for a full 20 seconds to really get the bugs off. And yes that singing happy birthday twice. So lets review it again. Hands sanitizers are begin to get your sink look for one with at least 16 percent alcohol watching with soap any kind is better, as long as you wash long enough.                                                   
This post was generated by put listening repetition system,  Check the original dictation thread!
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[Homework]【整理】2013-02-14&02-17 如何洗手最干净?洗手液-肥皂杀菌效果大对决

In this season of flu, and so many other germs were told again and again that hand, sanitizer and soap are the best offense. Last year, Americans spent more than 170 million dollars on hand sanitizer is alone, so we wondered what works best and how did the sanitizer comparing a showdown with soap. Well, tonight our chief medical editor, doctor Richard, better put them to the test and get some real answers. As many as 400000 for and that's how many bacteria travel with us every day. The university of Maryland from 6 gard students and I voluntarily gas her hand in a toxic brew thousands of ecoil bacteria. Yep, ecoil. To see what we take it off. First up, hand sanitizers, we get it two kinds you find at the store, one with 60 percent alcohol, and one so-called natural formula containing no alcohol. The key withhand sanitizers is to use enough of it. Your hands should take a full 15 seconds or longer to dry. Now let that air dry ok? Then, we pressed our hands on a special inclubation plates, to grow any remaining bacteria. The results, dramatic. Here, those green spots are like unwashed hands. After, using hand sanitizer with 60 percent alcohol, but  the with all alcohol, just look at how many germs are left behind. Alcohol based hand, it work so much better because alcohol breaks up the bacteria proteins and kills them. But if you really want to get clean, what's your best bit of all? Guess what, it's your old friend,so not only does as well as the sanitizer, it gets more viruses too. Surprisingly, study show regular and about equally effective, but how you use it is crucial. Most of us only spend five seconds at the sink. Just look how many germs remain. You have to wash your hands for a full twenty seconds to really get the bugs off and yeah, that's singing happy birthday twice. So let's review it again. Hand sanitizer if you can get to a sink. Look for one with at least 60 percent alcohol, but washing with soap, any kind is better. As long as you wash for long enough. Dr. Richard Besser ABC News, college park Maryland.
This post was generated by put listening repetition system,  Check the original dictation thread!
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