氧

At low temperature (700℃), NO〓 emission increases considerably with excess air coefficient, at 800℃ NO〓 emission is almost independent of excess air coefficient, and at 900℃ NO〓 emission is zero indicating that this temperature is the optimal operating temperature.

稀相区出口浓度为零，密相区内NO和NO〓浓度随氧量增加而减少，说明在900℃下，氧量增加促进NH〓(i=0，1，2)对NO〓还原。

Therefore this work mimicked this process for the first time by using macrocyclic complex. The quantity of absorbed oxygen and the absorption rate of oxygen were determined.

本文首次用大环配合物对这一过程进行了模拟，并测定了氧化反应中的吸氧量和吸氧速率常数。

Confusa were higher than those of C. japonica. Among the organic components of wood vinegar, the acetic acid of acidic fraction, 2-methoxy-phenol of phenolic fraction for C. japonica and 2,6-dimethoxy-phenol for A. confusa, and 1,2-benzenediol and its derivatives of natural fraction were the main compound of each fraction.

各种木醋液有机成分之酸性物质均以醋酸为主，酚类物质在柳杉木醋液以2-甲氧基酚(2-methoxy-phenol)为主，相思树则以2，6-二甲氧基酚(2，6-dimethoxy-phenol)为主，各种木醋液中性物质均以1，2-benzenediol及其衍生物含量最多。

Optimization of polyester condensation process and reactor design;2. The Structure Characters of the Sulfonated Condensation Polymer Series High Performance;3. The pH value of the solution was adjusted,and the co- condensation reaction was taken place between the hydroxy groups forming transparent organic-inorganic hybrid films on polycarbonate.

以甲基丙烯酰氧基丙基三甲氧基硅烷(KH-570)水解聚合产物作为主要成膜物质，引入正硅酸乙酯水解产物硅溶胶作为无机增强物，调节两种混合溶液pH值，利用两者羟基之间的共缩聚反应在聚碳酸酯板表面制备有机/无机复合透明耐磨薄膜；采用TG/DTA、FT-IR、SEM及UV-V IS对成膜过程、薄膜性能与结构进行表征。

And based on the principle of controlling the oxygen source, it presents a coni rolled-atmosphere method of oil and fot storage through experimental research .

本文论证和推算了储存油脂受空气及溶于油脂中氧的氧化影响，研究试验了以控制氧源原理为基础的气调储存油脂方法。

Our results showed that hypoxia increased the Mb expression,but decreased cAMP and myocardial contractility.

结果表明，随低氧时间的延长Mb增加，cAMP和心肌收缩下降，Mb、cAMP和心肌细胞收缩频率经复氧可以得到恢复。

Objective: to investigate the effect of hyperxia convalescence on parameter of red blood cell of hypoxia training rats.

目的：探讨高氧恢复对低氧训练红细胞参数的影响及其机制。

Changes of lung ultrastructures: The results of electron microscope showed that in group 1, there were swelling mitochondria was arranged in disorder, less matrix, and hyalomere appeared, thin double-deck membrane in 50% samples: Interalveolar septum stroma was with edema in 60% samples; Polymorphonuclear leukocyte gathered in vessel or emigrated out of vessel in 50% samples; In group 2, double-deck membranes of mitochondria were integral, densely matrix showed micro-granule shape in 90% samples; Pinocytosis in epithelial cells of type Ⅰ lung strengthened, being destroyed, and pinocytosis in endothelial cells strengthened in 10% samples; lnteralveolar septum stroma was with edema, no polymorphonuclear leukocyte gathered in vessel or emigrated out of vessel or corpuscule was empty in type Ⅱ alveolar epithelium in 20% samples.

肺组织超微结构改变观察：纯氧机械通气组50%标本线粒体肿胀、排列紊乱，基质变浅，出现透明区，双层膜变薄，60%标本肺泡隔间质水肿，50%标本多形核白细胞血管内聚集或游出血管外现象；34%氧浓度机械通气组90%线粒体双层膜较完整，基质致密呈细颗粒状；10%标本可观察到Ⅰ型肺上皮细胞有吞饮增强、破坏及内皮细胞吞饮增强；20%标本肺泡隔间质水肿；未见到多形核白细胞血管内聚集或游出血管外现象及Ⅱ型肺泡上皮板层小体排空。

Can estimate so: A cup of water makes an appointment with 250 milliliter, water of one side basin makes an appointment with 5000 milliliter, a pail of water makes an appointment with 10000 milliliter, one cuspidor water makes an appointment with 2000-3000 milliliter, one spoon disinfectant is equivalent to powder of 10 grams solid or 10 milliliter liquid about, if need to make up 10 thousand milliliter 0.5% second crossing oxygen are acerbity, 5 spoon can be joined to cross former fluid of oxygen second acid in 1 pail of water and into.

可以这样估计：一杯水约250毫升，一面盆水约5000毫升，一桶水约10000毫升，一痰盂水约2000-3000毫升，一调羹消毒剂约相当于10克固体粉末或10毫升液体，如需配制1万毫升0.5%过氧乙酸，即可在1桶水中加入5调羹过氧乙酸原液而成。

A singlet oxygenquencher was chosen successfully to stabilize cyanine dyes. It is indicated that the content of oxygenquencher can also affect

选用的单重态氧猝灭剂能有效提高菁染料的光稳定性，菁染料的稳定性与氧猝灭剂的加入量有一定关联。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。