Air cannot penetrate between the soil particles, making the soil oxygen-poor.
空气不能穿透土壤颗粒，这使得土壤中缺少氧气。
First, they considered the possibility that seasonal upwellings of toxic or oxygen-poor bottom water were responsible.
首先，他们考虑了有毒的或者无氧的底部水流的季节性上升造成这种灾难的可能性。
Massive releases of methane from arctic seafloors could create oxygen-poor dead zones, acidify the seas and disrupt ecosystems in broad parts of the northern oceans, new preliminary analyses suggest.
新近研究的初步分析表明，从北极海床释放的大量甲烷可能造成缺氧死区，海洋酸化并扰乱北部海洋广大地区的生态系统。
The compound has the health-care functions of anti-fatigue and oxygen-poor resistance.
该组合物具有抗疲劳、耐缺氧的保健作用。
When you mind is dull - concentration and clarity is poor. Alternate nostril breathing brings equal amounts of oxygen to both sides of the brain for improved brain function.
当你感到迷糊犯困、注意力分散、思维混乱之时，交替鼻孔呼吸能够为你的左右大脑提供等量的氧气并提高大脑活力。
However, application of the oxygen electrode is mostly restricted by its poor catalytic capability.
目前氧电极相对差的催化能力是制约氧电极高效应用的关键因素。
The conventional invasive tissue blood oxygen content measurement is poor in continuity.
传统的组织血氧含量测量方法是有创测量，且很难做到连续测量。
There are high power consumption and poor dusting effect in conventional oxygen lances of electric furnace doors.
传统的电炉炉门氧枪存在电耗指标高、除尘效果差等缺陷。
Influence of activating gases with poor, rich and stoichiometric oxygen was tested with simulative gas formulating system.
用模拟配气系统研究了贫氧、富氧和化学计量等活化气体对新鲜催化剂性能的影响。
Poor blood oxygen levels and blood vessel blockages in people with sickle-cell disease can lead to chronic acute pain syndromes, severe bacterial infections, and necrosis (tissue death).
镰状细胞病患者血液含氧量低并且发生血管堵塞，可导致出现慢性和急性疼痛综合症、重度细菌感染和坏疽(组织坏死)。
Mars is too dry and poor in oxygen .
火星上面过于干燥，并且缺乏氧气。
Mars is too dry and poor in oxygen.
火星上面过于干燥，并且缺乏氧气。
Mercury is too dry and poor in oxygen.
水星上面过于干燥，并且缺乏氧气。
The organic elementary compositions of the bitumen are characterized by poor hydrogen and rich oxygen and sulfur, suggesting that it is of pyrobitumen as a result of high maturity and TSR.
其有机元素组成以贫氢、富氧、富硫为特征，属高热演化且受硫酸盐热化学还原作用影响的焦沥青类。
Overall, however, clinical signs are poor predictors of hypoxaemia, and using pulse oximetry in resource-poor health facilities to target oxygen therapy is likely to save costs.
总之，临床症状不能很好地预示低血氧症，在资源匮乏的医疗机构进行脉搏血氧测量并借此判断是否采取吸氧疗法可以节省成本。
With problems, such as poor dissolved-oxygen caused by the high viscosity of xanthan gum in mind, the present research directions and hotspots of fermentation techniques and reactors are discussed.
结合有关黄原胶的研究报道，针对黄原胶黏度大影响溶氧等问题，从黄原胶的发酵工艺、反应器等方面讨论了目前的研究方向和热点。
With problems, such as poor dissolved-oxygen caused by the high viscosity of xanthan gum in mind , the present research directions and hotspots of fermentation techniques and reactors are discussed.
结合有关黄原胶的研究报道，针对黄原胶黏度大影响溶氧等问题，从黄原胶的发酵工艺、反应器等方面讨论了目前的研究方向和热点。
With problems, such as poor dissolved-oxygen caused by the high viscosity of xanthan gum in mind , the present research directions and hotspots of fermentation techniques and reactors are discussed.
结合有关黄原胶的研究报道，针对黄原胶黏度大影响溶氧等问题，从黄原胶的发酵工艺、反应器等方面讨论了目前的研究方向和热点。
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