Study was made on the conditions in which short-cut nitrification was achieved and on the variation of sludge characteristics at low DO in SBR and CSTR.
研究了低溶解氧(DO)下，在SBR和CSTR反应器内实现短程硝化的条件及其污泥性状的变化。
The COD, ammonia and total nitrogen (TN) removal efficiency were studied in the paper at low DO concentration in a pilot-scale A/O nitrogen removal plant treating domestic wastewater.
应用A/O中试装置处理实际生活污水，研究了低DO浓度下系统对有机物、氨氮和总氮的去除效果。
Do not be deceived by claims on food labels like "light" or "low fat."
不要被食品标签上像“少脂”或“低脂”的字样误导。
I have to reiterate: The most important thing you need to do to lose body fat is to stop your sugar and cereal intake and keep your carbohydrate intake low.
我必须要重申一下：要想减掉体内脂肪，你要做的最重要的事就是停止糖和谷物的摄取，并保持较低的碳水化合物摄入。
Recent studies do in fact show that high carbon dioxide levels are associated with warm interglacial periods, and low levels with cold glacial periods.
最近的研究确实表明，高二氧化碳水平与温暖的间冰期有关，而低二氧化碳水平与寒冷的冰期有关。
These snails do not occur on low-lying coral islands.
这些蜗牛不会出现在低洼的珊瑚岛上。
When you buy high and sell low, it's really hard to generate returns, even if you do it with great enthusiasm.
当你高价买入低价卖出时，即使你带着极大的热情做它，也很难产生收益的。
The second hypothesis is that we do perceive everything, but the brain categorizes the information, and whatever is not relevant to what we are concentrating on gets treated as low priority.
第二个假设是，我们确实能够感知一切，但是大脑会对信息进行分类，而任何与我们专注的事情无关的信息都会被归类为低优先级信息。
"We must talk low," he said, "or someone'll hear us and wonder what's to do in here."
“我们得小声讲话。”他说，“不然被听见了，别人肯定会想知道我们在这里做什么。”
How do you avoid using flash in low light, you ask?
你问，怎样在昏暗环境中避免使用闪光灯？
Few of them want to do such a low-paid job.
他们中很少有人愿意从事如此低薪的工作。
Second, its garbage trucks do not fit on some of the streets in the city's low income (低收入) neighborhoods.
第二，它的垃圾车并不适应市内低收入街区的某些道路状况。
We can't do much to alter sedentary life-styles, but we can provide consumers with great-tasting products, low in salt, sugar and fat.
我们改变不了人们长期久坐的生活习惯，但我们可以为消费者提供美味、低盐、低糖、低脂肪的产品。
Do you have any comments on this low rate?
你对如此低的自给率有何评论？
Clearly, if we set the bar low and do little work, that's a pace that we can maintain indefinitely.
很明显的，如果我们将标志杆设低，并少做工作，这也是我们能够长期维持的一种步调。
Because of the semantics of the use case, the odds are low for someone to do this via a coding mistake.
因为用例存在语义，所以通过编写错误代码搞破坏的机会是很低的。
These however are only my low priority to do list.
然而，这些特性在我的工作列表中是属于优先级较低的。
Offer to do so at a low price in order to establish some credibility.
开始时开价要低，以便建立好信誉。
Such low bond yields do give the equity bulls one more (fairly powerful) argument-that dividend yields look good by comparison.
如此之低的公债利率水平给了股市乐观者又一(相当有力的)论据，即相比而言，股息分红水平已经不错了。
High clouds are much colder than low clouds and the surface. They radiate less energy to space than low clouds do.
高云的温度远比低云和地表要低，失去的能量也更少。
What do high and low wages mean?
工资的高低意味着什么？
Every investor knows to buy low, but how do you make an educated guess about whether a stock is near the bottom or has further to fall?
每个投资者都知道逢低买入。但是，怎样凭着知识或者经验猜出某只股票接近了底部或是即将跳水呢？
Low "relationship management" - We do not exert effort to build or maintain trusting relationships around us.
关系管理能力下降——不努力建造或维护与周围人的关系。
Knowing how many people are born or have died, and from which causes, is vital information and yet many low-income countries do not have a well functioning health information system.
了解有多少人出生或死亡，以及其原因，是至关重要的信息。然而，许多低收入国家没有运转良好的卫生信息系统。
It is not so simple. "Children of low income, low education families don't do well regardless of what their parents' age is," says Johns.
事实远远没有这么简单，“低收入，低文化家庭的孩子不会因父母年长而表现得更好，”琼斯说。
LICHTMAN: And is the camera you're using, I mean, if you're working with this really low amount of light, do you need a special camera for that?
李奇曼：你用的相机是啥样的，我的意思是，如果你只用这种非常弱的光，你需要一架特殊的相机吧？
Until the dispute is settled, you would do best to lie low.
在争论没有平息之前，你最好还是等待时机。
Until the dispute is settled, you would do best to lie low.
在争论没有平息之前，你最好还是等待时机。
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