美国的细菌数量上限是每毫升水不超过500个菌落形成单位。
The U.S. bacterial limit is no more than 500 colony-forming units of bacteria per milliliter of water.
五分钟后，我们将培根或面包放在表面5秒、30秒或60秒，然后检测转移到食物上的细菌数量。
Five minutes after that, we placed either bacon or bread on the surface for 5, 30 or 60 seconds, and then measured the number of bacteria transferred to the food.
一项有关电脑键盘上细菌数量的最新研究称，以后捡起落在键盘上的食物碎屑往嘴里塞之前可得想好了。
Think twice before eating those dropped crumbs off your computer keyboard, according to a new study on the amount of germs on keyboards.
湿地稻-鸭复合系统土壤中甲烷细菌数量研究。
The study on the amounts of methanogens in the soil of rice-duck complex ecosystem of wetland.
增温，施氮对细菌数量的影响有显著的交互作用。
The effect on bacterial biomass from the warming and nitrogen application had great interaction.
它们能够防止暂住细菌定居，保持整个细菌数量的平衡。
They help prevent transient bacteria from settling in, and each resident keeps other residents from overpopulating.
其中细菌数量和类型最多，土样中微生物数量多于其它样品。
We found the number and type of bacteria were the most, and the number of microbiology from soil sample was more than others.
雨后大气细菌数量与风速无相关性，大气霉菌数量与风速相关。
In atmosphere after rain, quantity of bacterium is not interrelated with wind velocity, but mould is interrelated with it.
结论：聚氨基葡糖海绵能有效运载抗生素并减少伤口内细菌数量。
Conclusions: the chitosan sponges are effective delivering the antibiotic and reducing the bacteria within the wounds.
在皮氏细菌培养皿内，细菌数量的增长模式是典型的“S”曲线。
THE population of bugs in a Petri dish typically increases in an S-shaped curve.
从而证实了甲烷细菌数量是决定水稻田中甲烷释放量的主要因素之一。
It confirmed that the amount of methanogens was the one of main factors of amount of methane emission in paddy fields.
细菌数量则是在变黄期逐渐增加，烟叶变黄时达最大，以后逐渐减少。
The populations of bacteria gradually increased at the yellowing stage, and decreased after yellowing.
解冻方式对食品中细菌数量的影响直接关系到食品中细菌指标的检测结果。
Different ways of thawing affect bacteria quantities in food and can affect food bacteria index test results directly.
监测乳腺炎的发生，奶罐中的细菌数量和体细胞计数峰值，以发现异常情况。
Monitor mastitis events, bulk tank bacteria counts and spikes in somatic cell counts to identify noncompliance.
复合肥有利于提高固氮菌和钾细菌数量，磷酸铵促进了磷细菌数量的增长。
The compound fertilizer improved the population of azotobacter and potassium bacteria, and the phosphate ammonium enhanced the population of phosphobacteria.
甲胺磷和乙草胺对稻-鸭复合系统土壤中甲烷细菌数量及其活性影响的研究。
The influence of methamidophos and acetochlor on the amounts and activity of methanogens in the soil of rice-duck complex ecosystem of wetland.
结果表明：混合枯落物和木荷枯落物中细菌数量最多，放线菌次之，真菌最少；
The results showed that in the mixed and Schima superba leaf litters, the quantity of bacteria was the most, the quantities of actinomycetes and fungi were less.
研究人员发现的证据表明，由于北极湖泊沉积物中冰消失，硫酸盐还原细菌数量在不断增加。
VANISHING ICEIn the sediments of Arctic lakes, researchers found evidence that Numbers of sulfate-reducing bacteria are growing.
更糟糕的是，研究显示，患者手机携带到医院的细菌数量是医护人员手机的两倍。
Even worse, the study suggests, patient cell phones carry twice as much gunk into the hospital as hospital staff cell phones, probably because the staff undertake infection control measures regularly.
科罗拉多大学的研究人员发现无论医生穿短袖还是长袖，小臂沾染的细菌数量相当。
Because University of Colorado researchers find that docs pick up just as much bacteria when their forearms are bare as they do when wearing long sleeves.
现在，有的农场开始回归有机养殖，停止使用抗生素后一年，具有抗药性的病原细菌数量大为减少。
But farms that turn to organic practices including a ban on antibiotics can greatly reduce antibiotic-resistant bacteria within only the first year of the change.
根际细菌和硝化细菌数量随着水力停留时间增加而增加，而根际反硝化细菌数量则减少。
The number of heterotrophic bacteria and nitrifying bacteria increased with the time of the hydraulic retention time, contrary to the nitrobacter.
同时提示了对虾肝胰腺细菌数量可望作为评价对虾健康状态及对虾养殖水质环境状况的指标。
It is suggested that the level of bacterial amount in hepatopancreas of shrimp may be used as an indicator for quality of the culture environment and the healthy condition of shrimp.
结果表明，长白赤松和红松土壤细菌数量受高浓度CO2影响显著（p < 0.05）减少；
The results indicated the number of bacteria decreased significantly (p < 0.05) under elevated CO2 for Pinus sylvestriformis and Pinus koraiensis.
施肥增加了土壤中的有机质含量，使土壤微生物的数量增加，尤其是细菌数量增加的最为明显。
The content of organic matter was added in soil after fertilization, so the soil microbiological quantity was added, especially the quantity of bacteria was obviously added.
研究结果表明：根际土壤中的细菌数量明显大于非根际土壤，根际土壤酶的活性高于非根际土壤；
Results indicated that rhizosphere soil is markedly more favorable to bacteria and for enzyme activity than non rhizosphere soil.
结果表明：总细菌、弧菌的数量变化各异，网箱内、网箱外和对照海区细菌数量分布与变化不同。
Results showed that the total bacterial counts and the vibrio Numbers changed differently in different regions: inside the cages, outside the cages and the compared region.
施用有机肥（酵素菌肥）处理的硝化细菌数量低于施用尿素处理，但反硝化细菌数量则明显高于尿素处理。
The quantity of nitrifiers disposed by organic manure was a little fewer than that by urea treatment, but there were obviously more denitrifiers.
这些国家的农民将排泄物储存在池子里，其中的固态物和虫卵沉淀下来，也许能够降低残水中的细菌数量。
There, farmers store wastewater in ponds to allow solid feces and worm eggs to settle, possibly reducing bacterial content in the residual water.
这些国家的农民将排泄物储存在池子里，其中的固态物和虫卵沉淀下来，也许能够降低残水中的细菌数量。
There, farmers store wastewater in ponds to allow solid feces and worm eggs to settle, possibly reducing bacterial content in the residual water.
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