查询词典 Oxygen

Wetland plants have a series of physiological and anatomical characteristics to adapt flooding habitat, e.g., their root aerenchyma and oxygen-penetrating capability can make the rhizospheric micro-environment be under oxidation condition, resulting in the formation of Fe/Mn plaques on root surface.

湿地植物具有一系列生理和结构上适应浸水环境的特征，如根系的通气组织和渗氧能力，这使得植物根际微环境处于氧化状态，这样土壤中的铁和锰会在植物根表被氧化而形成红棕色的铁锰氧化物胶膜。

During the process of long-time adaptive evolution, wetland plants adopted a series of special strategies to acclimate to salt stress. The main strategies are: 1 life history adjustment, e. g., to adjust seed germination time, implement seed dormancy and viviparity, and change reproductive manner to escape from direct salt stress, 2 morphological adjustment, e. g., to adjust biomass allocation pattern, age stem, defoliate, and carnify vegetative organs to isolate the redundant Na(superscript +) to the inactive-metabolism shoots or exclude the Na(superscript +)from tissues; 3 anatomic adjustment, e. g., to sink stoma, develop aerenchyma, and thicken cuticle and phellogen to maintain normal photosynthesis and respiration; 4 physiological and biochemical adjustment, e. g., to exclude and excrete salt, compartmentalize ions, adjust osmosis, do selective absorption, regulate hormones, and induce antioxidative enzymes to maintain the osmotic equilibrium and eliminate the active oxygen in cell; and 5 molecular level adjustment, e. g., to start up many salt-induced genes to regulate the metabolic responses to salt stress.

在长期的适应进化过程中，湿地植物形成了多种适应盐胁迫的策略，主要有：1生活史方面，植物可通过种子萌发时间的调整、种子体眠、胎生、繁殖方式的改变等逃避盐度的直接伤害；2形态学方面，植物可通过生物量分配模式的调整、茎的老化、落叶及营养器官的肉质化等将多余的Na隔离到代谢不活跃的茎中或将其排出体外；3解剖学方面，植物可通过气孔下陷、发达的通气组织、增加细胞木栓层、角质层及栅栏组织的厚度等以维持植物正常的光合作用和呼吸作用；4生理生化方面，植物可通过离子区隔化、拒盐、泌盐、选择性吸收、渗透调节、激素调节及抗氧化物酶的诱导等来维持细胞内正常的渗透压，清除胞内活性氧分子；5分子水平方面，植物可通过多种与盐胁迫相关的基因来调控细胞内的多种代谢反应。

Maintaining oxygen and water to plant roots is the result of good aerification and top-dressing of turf.

维持氧气和水植物根部是良好aerification和顶级的结果修整草坪。

So it is a species of Bacillus.But the spore formed by this antagonistic bacterium can not make the sporangium swollen,and the parasporal crystal can not be formed. The antagonistic bacterium can be dyed equably by Methylene Blue.It can grow in pH5.7 culture medium and 7% NaCl. It is an aerobe,it can not grow without oxygen.

该细菌产生的芽孢不使孢囊膨大，不形成伴孢晶体，美蓝染色均一，可在pH5.7的培养基中生长，可在7％氯化钠中生长，且该细菌为好氧菌，在厌氧条件下不生长，能水解淀粉和还原硝酸盐。

Aerotaxis A TAXIS in response to an oxygen concentration gradient .

趋氧性：一种对氧浓度梯度产生回应的排序。

Comparative heat aging experiments were carried out about disposal transformer oil and disposal transformer oil with afflux oxygen.

而热老化是变压器油老化的主要原因之一，因此研究超高压（500kV）变压器油热老化过程中特性参数变化具有重要意义。

If a large number of afforestation, the world's oxygen, it will be difficult to meet human and biological needs.

如果不大量的植树造林，那么地球上的氧气，就很难满足人类和各种生物的需求。

After the analysis in Hulunber 301 section, the corrosion occurs mainly in inner corrosion and the outer corrosion is indistinctness. In affusion and heating system, the corrosion gives priority to oxygen corrosion, which the supplement of animalcule corrosion and carbon dioxide corrosion. In life drinking water system, the corrosion in stainless steel jar and pipeline wall usually generate welding line corrosion.

分析发现：贝301区块发生的腐蚀以内腐蚀为主，外腐蚀不明显；注水系统和采暖系统以氧腐蚀为主，微生物腐蚀为辅；还发生了以氢去极化为主的二氧化碳腐蚀；生活饮用水系统不锈钢罐及管线内壁发生的腐蚀主要是焊缝腐蚀。

Available, no concentrations of fuel and oxygen could result in afire.

同样的，如果没有充足的热量，没有一定浓度的燃料和氧气也无法燃烧。

It was concluded that the excessive daytime sleepiness in patients with OSAS was severe and it was correlated with oxygen desaturation and AHI.

OSAS患者的白天过度嗜睡是很严重的，与夜间低氧的程度及呼吸紊乱指数相关，与各期睡眠时间所占的比例无显著相关性。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。