"Dead zones" with almost no oxygen already make up around 2 per cent of the oceans by area, and they could expand seven-fold.
几乎已经没有氧气的“死亡区”,现占到海洋总面积的百分之二,这个数字可能会扩大七倍。
The insects take in oxygen and, inside special cells, combine it with a substance called luciferin to produce light with almost no heat.
首先,萤火虫吸氧通过特殊的细胞与一种叫荧光素的物质结合就会几乎毫不放热的发出光亮。
The explosion, he said, was due to hydrogen buildup in the steam piping that mixed with oxygen, and that there was no damage to the container with the nuclear fuel.
他表示,这次爆炸是由于聚集在蒸汽管道的氢气与氧气混合而引发的,而且未对核燃料容器造成任何损伤。
One way of dealing with them is to dry them and then heat them with little or no oxygen present.
一个处理方法是将它们在没有氧气或者氧气稀薄的情况下烘干。
In order to reduce the oxidation of contacts greatly (or eliminate it), the environment inside the glass tube is often pressurized with a gas that contains no oxygen.
为了大幅度降低(或者消除)触点的氧化,玻璃管内的环境往往是采用不含氧气的气体加压的。
In order to reduce the oxidation of contacts greatly, the environment inside the glass tube is often pressurized with a gas that contains no oxygen.
为了大幅度降低触点的氧化,玻璃管内的环境往往是采用不含氧气的气体加压的。
When exposed to the air for more than 60 days, the product will turn into water with oxygen molecules and there will be no secondary pollution.
产品放置于自然环境中,60日后与氧分子结合又自动转化成清水,不会造成二次污染。
Most notably, there are no mitochondria in Giardia or its relatives, in keeping with its tolerance for low levels of oxygen.
最惹人注目的是,在兰伯贾第虫和它的近系种群,他们没有线粒体,这样他们能持续耐受低氧环境。
Nitrogen narcosis has everything to do with the partial pressure of nitrogen and has no relationship with the partial pressure of oxygen.
醉氮和氮气的局部压力有关而和氧气的局部压力无关。
Objective To obtain the expiratory resistance in pressure oxygen mask under no overpressure condition with numerical simulation method.
目的用数值模拟的方法获得加压供氧面罩无余压状态下呼气活门的呼气阻力。
It can improve the control quality to fit the requirement of a process control system for use with a no oxygen copper rod furnace.
该方案在无氧铜杆炉控制系统投用,使控制性能有较大的提高,能满足生产过程的要求。
Hypopnea a reduction in airflow with oxygen desaturation but no apnea also is important in defining this disease.
呼吸过浅,一种氧气去饱和但没有呼吸暂停症状的气流减少,在定义这种疾病时也很重要。
The supercritical water has some special characteristics that common water has no, and it can mix with oxygen with any ratio and offer solvent condition of SCWO reaction.
超临界水具有通常状态下的水所没有的特异性质,它可以与氧以任意的比例相混合而成于一相,从而提供了超临界水氧化反应的溶剂环境。
The data suggest that pulmonary vasculature in COPD is relaxed selectively by inhaled NO, with the characterization of immediate action and little effect on gas exchange and oxygen transportation.
提示吸入NO选择性降低COPD患者肺动脉压,且具有速效、不影响血气和氧运输功能等特点。
The hydrogen and oxygen contents in the molten iron markedly increased with blast humidity, while the nitrogen content had nearly no detectable change.
铁水中氢、氧气体含量随空气湿度升高而显著增多,而含氮量基本不变。
A drug container with no need to peel a gas-barrier film or with no need to contain a desiccant, an oxygen absorbent or the like, in which the contents therein can be seen by the naked eyes.
本发明提供一种容器,其是不用剥离气体屏蔽性薄膜,并且不用同时封装干燥剂或氧吸收剂等的容器,且可以用肉眼观察内容物。
But with no photosynthesis happening, they end up passing the unused energy along to oxygen molecules, which become dangerously reactive when energized.
但是因为不再发生光合作用,它们将多余的能量给了氧分子,此时氧分子一旦被激发会发生危险反应。
The oxygen combines with the unwanted elements except sulphuric and, unavoidably, with so, no of the iron to form oxides.
氧同那些不需要的元素化合(硫除外),同时也不可避免地要和一部分铁化合成氧化铁。
The oxygen combines with the unwanted elements except sulphuric and, unavoidably, with so, no of the iron to form oxides.
氧同那些不需要的元素化合(硫除外),同时也不可避免地要和一部分铁化合成氧化铁。
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