用此高电压脉冲发生器对有细菌的牛奶进行了灭菌效果的测定。
We carry on sterilization survey of result with high voltage generator to milk having bacterium.
事实是，你有很深的地下石油储藏，那里还有细菌。
What happens is you have deep underground oil deposits and there are bacteria.
极少数情况下，有一种微生物可以在食物掉落的那一刻让你生病，你可以十分确定这种细菌就在你准备放进嘴里的食物上。
In the rare chance that there is a microorganism that can make you sick on the exact spot where the food dropped, you can be fairly sure that the bug is on the food you are about to put in your mouth.
记得刷你的舌尖，因为那里有细菌。
Remember to brush the top of your tongue because of germs there.
然而，他提醒到，用老鼠研究人类肠道细菌有局限性，因为不同物种进化出的器官组不尽相同。
However, he cautions that there are limits to studying mice with human gut bacteria, because different species have their own specifically evolved sets.
有几百种细菌都把人类的肠道看成自己的家园。
Hundreds of species of bacteria call the human gut their home.
有自动清洁功能的生化口罩可以拦截病细菌，然后运用锡微粒和铜微粒杀死这些病菌。
The self-sanitizing BioMask traps bacteria and viruses and then kills them with zinc and copper particles.
细菌有一种对病毒的防御机制：一种叫做限制性内切酶的化学物质可以切断外源dna。
Bacteria have defences against viruses in the form of chemicals called restriction enzymes, which chop up foreign DNA.
颜色的变化并不意味着有细菌感染。
The color change does not mean there is a bacterial infection.
现在，哈佛大学医学院的研究者们发现在土壤中，有一种细菌不光能对我们的抗生素免疫——它们竟然能把这些抗生素当成早餐。
Now researchers from Harvard Medical School have figured out that in the soil, there are bacteria that are not only immune to our antibiotics-they eat antibiotics for breakfast.
细菌—我们口腔里是有不同类型的细菌的。
Bacteria - We have many different strains of bacteria in our mouths.
尽管研究人员并不确定细菌是如何识别出到空气中的氨，但他们已经有了某些假设关于细菌为何能产生粘液以回应挥发性的氨。
Although the researchers are not sure how bacteria detect airborne ammonia, they have some hypotheses about why bacteria produce slime in response to volatile ammonia.
马丁揭示，在哪些可以追溯到祖先的线粒体基因上，有75%或更多的成分来自当时外来的细菌而非宿主细胞。
Martin has shown that, of the eukaryotic genes whose ancestry can be traced, 75 per cent or more came from bacteria rather than the host cell.
第一，细菌过度感观抗生素时，你使得细菌有变异的可能性，并产生抗药性。
One, by overexposing bacteria to antibiotics, you give bacteria a chance to mutate and become resistant.
我们的想法是我们将这种细菌追踪法留下来，这些方法有一天可能能够提供有用的信息。
The idea is that we leave this trail of bacteria behind us, and that trail may be informative.
这使得研究人员推测大熊猫的肠道里有一种咀嚼纤维素的细菌在消化中扮演一个角色。
This led researchers to speculate that panda intestines must have cellulose-munching bacteria that play a role in digestion.
然而，抗生素的使用仅仅是对付细菌耐药性工作的一半，另一半则是对已经有了抗药性的细菌的控制。
Antibiotic use is half of the drug-resistance equation, however. The other half is controlling the bacteria that have already developed resistance.
但是现在哈佛大学的研究人员表示，这种蛋白的确是有不为人知的功能，它是大脑抵御细菌和其他微生物入侵系统的一部分。
But now researchers at Harvard suggest that the protein has a real and unexpected function - it may be part of the brain's normal defenses against invading bacteria and other microbes.
例如，有细菌性食物时，古代的祖先会打开基因的表达，这些基因允许他们爬过去并且吞噬他们的捕食。
For example, in the presence of bacterial food, the ancient ancestors turned on the expression of genes that allowed them to crawl around and engulf their prey.
佩斯教授说道，“因为塑胶喷头‘藏’有更多装载大量细菌的生物膜，所以金属喷头不失为（淋浴时）一个好的选择。”
Since plastic shower heads appear to "load up" with more bacteria-rich biofilms, metal shower heads may be a good alternative, said Professor Pace.
这些疾病聚集在一起有可能形成专家声称的‘纯细菌风暴’。
These could come together to create what the experts are calling 'the perfect microbial storm.
有批评文章指出，这是有可能的，它使得供给匮乏时细菌得以勉强存活。
It's possible, the critics argue, that the bacteria eked out a living on that scarce supply.
还不十分清楚人造基因如何拯救濒临死亡的E .螺旋形细菌的，有DNA的几个重要的排序彻底击败了其基因组。
It's not clear how the synthetic genes rescued the doomed e. coli bacteria, which had several important sequences of DNA knocked out of its genome.
研究者们发现，黄金对减少有害细菌（如大肠杆菌）的传播有较强的作用。
Researchers have found that gold is extremely potent in neutralising dangerous bacteria such as E Coli.
卡诺确认它是一种细菌孢子，与现代的球形芽孢杆菌有亲缘关系，后者往往被用于杀死蚊子的幼虫。
Cano identified it as a bacterial spore related to the modern Bacillus sphaericus, which is used to kill mosquito larvae.
该细菌似乎和马铃薯木虱的亲缘生物——柑桔木虱——传播的细菌有亲缘关系。
It appears to be related to a bacterium transmitted by the potato psyllid's relative, the citrus psyllid.
一口痰就含有成千上万的细菌和病毒，北京有多少人？
One single sputum contains thousands upon thousands of germs and viruses. How many people in Beijing?
一口痰就含有成千上万的细菌和病毒，北京有多少人？
One single sputum contains thousands upon thousands of germs and viruses. How many people in Beijing?
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