查询词典 Oxygen

The mechanism studies on the atomic oxygen effects over surface materials become rather difficult due to the fact that the interaction, stemming from a highly complex environment in LEO, where the atomic oxygen are equipping with high translational kinetic energy and strong oxidizing characteristics, may induce complicated physico-chemical processes.

然而，由于空间环境高度复杂，以及环境中原子氧具有高平动能和高度活泼的化学特性，空间材料的原子氧效应呈现复杂的物理化学过程，给该效应的机理性研究带来严重困难。

The method of respiratory chamber has been applied to study the influences of water temperature on the oxygen consumption rate,the oxygen consumption and the asphyxiation point in Carassius auratus Triploid.

用呼吸室法研究了 3种规格的湘云鲫在不同水温下的耗氧率、耗氧量和溶氧临界窒息点的变化。

Results Nine patients with PTE wore performed thromboembolectomy under cardiopulmonary bypass, one patient was performed thromboembolectomy under non-extracorporeal circlulation. One patient died of pulmonary re-embolism postoperatively, utile patients were survival. There was o marked increase of arterial partial pressure of oxygen and oxygen saturation (P.05) and pulmonary arterial systolic pressure decreased significantly (P.05) at the second postoperative week, with significant improvement in quality of life.

结果 9例在体外循环下行肺动脉取栓术，l例在非体外循环下手术。1例围术期死亡，9例存活；术后2周测不吸氧状态下动脉血氧分压、血氧饱和度均有显著改善，与术前比较有显著性差异(P.05)；术后2周超声心动测肺动脉收缩压显著降低，与术前比较有显著性差异(P.05)，生活质量明显改善。

Two-phase fermentation system with the addition of oxygen vector was applied to enhance oxygen transfer .

本文对虾青素的氧载体强化氧传递双液相发酵进行了研究。

For the metal-oxygen clusters containing tungsten, the pyrolysis procedure of potassium salt with [P2W18O62]6-anion is similar to that of metal-oxygen clusters with [P2Mo18O62]6-anion, whenas the NH4+, Cu2+salts of [P2W18O62]6-seem to decompose directly into WO3 at 400 ℃, 450 ℃,respectively.

以钨为配位原子的钾盐在410 ℃也有相似的行为，但铵盐和铜盐却没有观察到类似的热重排现象，分别在400 ℃， 450 ℃直接热分解为WO3。

Low vacuum measurement ; yttria stabilized zirconia ; zirconia oxygen sensor ; zirconia oxygen concentration cell

低真空测量；氧化钇稳定氧化锆；氧化锆氧传感器；氧化锆氧浓差电池

They can clean MDA and activity oxygen and other injurant. Escaping MDA and phase. The SOD, CAT, AsA in body of slash pine's half-sib have function normal and accordantly activity oxygen accumulate mass and keep full unction of cell and escape disturbing to physiological metabolize of slash pine's half-sib and keep them develop normal and escape them injure.

表明在干旱逆境条件下，湿地松各家系体内的SOD、CAT和AsA协调正常运行，清除体内产生的MDA和活性氧等有害物质，避免活性氧和MDA的大量积累，维护其细胞功能性的完整，保护湿地松各家系生理代谢活动不受干扰而能正常生长发育，使其免受伤害。

Vitreoscilla hemoglobin is the only well characterized prokaryotic oxygen-binding protein that allows bacterium to grow aerobically even under poor oxygen conditions.

透明颤菌血红蛋白（Vitreoscilla hemoglobin， VHb）是唯一一种研究得较为透彻的原核生物氧结合蛋白血红蛋白。

The alkoxyl group at 2-position is affected by the steric repulsion due to the two methyl groups at 1, 3-position, which causes the oxygen atom of alkoxyl group to deviate from the aromatic ring plane, hence, the conjugation effect of the oxygen atom with aromatic ring decreases

对于IV〓、IV〓，其1，3-位两个甲基对2-位烷氧基产生空间排斥作用，使2-烷氧基氧原子偏离芳环平面，烷氧基对芳环的助色作用受到削弱。

One, the end that domestic oxygen cure treats to COPD patient and meaning are anoxic can cause cellular loss quickly, correct anoxic main to having the COPD patient that has disease of blood of sexual low oxygen effect, research shows LTOT ameliorable COPD accompanies the survival rate that breathes exhaustion patient chronically.

一、家庭氧疗对COPD患者治疗的目的及意义缺氧可迅速引起细胞损伤，纠正缺氧对具有进行性低氧血症的COPD患者具有重要功能，探究表明LTOT可改善COPD伴慢性呼吸衰竭患者的生存率。

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。