查询词典 oxygen ratio

In nine recruiters, the higher end-expiratory pressure strategy resulted in significant alveolar recruitment (587 ± 158 ml), improvement in arterial oxygen partial pressure/inspired oxygen fraction ratio (from 150 ± 36 to 396 ± 138), and reduction in static lung elastance (from 23 ± 3 to 20 ± 2 cm H2O/L).

结果显示，两组患者的临床转归相似。19例患者均使用了低PEEP (9 ± 2 cm H2O)和高PEEP(16 ± 1 cm H2O)通气。9例使用了高PEEP受试者肺泡复张显著(587 ± 158 ml)，动脉血氧分压/氧合指数改善(from 150 ± 36 to 396 ± 138)，静息肺弹性下降(from 23 ± 3 to 20 ± 2 cm H2O/L)。

It was indicated by SEM spectra of ZnO thin films that the surface of the sample was leveled off, and the crystals were felsitic. It was found from the experiment that, with the increasing of substrate temperature, there were more oxygen vacancies in the films, which lead the conductance of the sample become larger , and the absorb edge of ZnO thin films shifted toward higher wavelength; with increasing of Ar:O2 ratio, there were lesser oxygen vacancies in the films, which lead the absorb edge of ZnO thin films shifted toward lower wavelength.

实验还发现，随着衬底温度的升高，薄膜中产生的氧空位将会增多，使得ZnO薄膜的电导逐渐增大，而且其紫外透射吸收截止边带向高波长方向漂移；随着氩氧比例的增加，薄膜中的氧缺陷相对减少，薄膜的透射吸收截止边向低波长方向漂移。

The oxygen nonstoichiometry values of the materials were measured by iodometric titration method. The results indicate the oxygen nonstoichiometry of doped LaCoO3-δ ceramics increase with increasing Co/Fe ratio.

采用碘滴定法测定了合成氧化物的氧非化学计量值，结果说明氧空位浓度随掺杂铁含量的提高而降低。

We report a 36-year-old man with MELAS in whom a 5-month course of high-dose oral idebenone, a derivative of coenzyme Q10, increased markedly cerebral metabolic ratio of oxygen and oxygen extraction fraction without increased cerebral blood flow with PET.

我们报告了一例36岁患MELAS（线粒体脑肌病伴高乳酸血症和卒中样发作）的患者，在口服一种辅酶Q10衍生物艾地苯醌后，显著地增加了氧气和氧提取部分的比例而同时不增加患PET症的患者的脑血流量。

Cold smelting charge ratio was respectively 20%,25%,28%, by optimizing slag making and oxygen blowing process of dephosphorizing pretreatment period and decarburizing period,oxygen consumption rate increased from 20～30% to 40～50% than conventional process in dephosphorizing pretreatment period and slag charge was controlled at 8～15kg.t-1 in decarburizing pretreatment period.

在冷料比为20%、25%、28%条件下，通过优化脱磷、脱碳期供氧和造渣工艺，脱磷期耗氧比从传统工艺的20%～30%提高到30%～50%，脱碳期渣料加入量控制在8～15 kg.t-1.50炉工业试验结果表明，脱碳期一倒温度达到常规冶炼控制水平，一倒、控制水平明显好于常规冶炼工艺。

The provision of acceptable oxygen to fuel ratio during the combustion process imposes a strict specification upon the oxygen control system of closed cycle diesel when its load changes largely and fast.

当柴油机负荷作大幅和快速变化时，难以在氧气配比控制中保持闭式循环良好的空燃比。

At ICU admission, all patients were severely hypoxemic (mean ratio of partial pressure of oxygen in arterial blood [PaO2] to fraction of inspired oxygen [FIO2] of 147 ± 128 mm Hg).

ICU住院期间，所有病患都有严重低血氧(动脉氧分压[PaO2]与吸入氧气分率[FIO2]之平均比率为147 ± 128 mm Hg)。

The higher the ratio of oxygen 18 to oxygen 16 in a sedimentary specimen, the more land ice there was when the sediment was laid down.

沉积物标本中氧18对氧16的比例越高，沉积物形成时的陆地冰就越多。

The power efficiency of this equipment is the best at the rotate speed of 120rpm, when total oxygen transfer coefficient and oxygen utilization ratio are also high.

与其它设备的充氧特性和经济性能比较，该曝气设备的充氧能力和氧利用率都相当大，为其处理高浓度污水提供了必要的保证，动力效率也满足一般要求，具有较大的研究价值。

LiNi0.95Mg0.05O2 could be formed with I(003)/I(104) ratio 1～1.1, R-factor I(006+I(102)/I(101) ratio 0.67～0.94, and (108)/(110) splitted peak, c/a ratio 4.914～4.925, in R3m space group under the conditions of 210~280 MPa pelletized powder, heating rate 2℃/min to precalcined temperature 600℃ for 9～15h,crushed and repelletized, heated till 600℃ in 5℃/min, then switched to 1℃/min till 750℃ isothermally for 15～20h all in oxygen flow.

发现以210～280 MPa对试样压片，在氧气气氛下经2℃/min升温速率升温至600℃，预烧9～15h后，再粉碎、压片以5℃/min升温至600℃之后以1℃/min升温至750℃恒温15~20h，可得I(003)/I(104)峰比值1~1.1，R-factor I(006+I(102)/I(101)峰比值0.67~0.94，并且有(108)与(110)的分裂峰，同时c/a比值4.914~4.925，属于R3m空间群的锂镍镁氧化合物。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。