查询词典 oxygen ratio

The measurement results show that oxygen flux and ratio of converter capacity have great effect on splashing cap...

测定结果表明，氧气流量、炉容比对喷溅量影响较大；氧气流量、枪位高度对穿透深度有重要影响。

Laser Ignition Performance of Boron-Potassium Nitrate Composite at Different Oxygen/Fuel Ratio.

不同氧/燃比的硼-硝酸钾的激光点火特性。

The effects of oxygen pressure and dopant ratio on the resistivity and optical transmittance of ZnO:Al films by pulsed laser deposition have been investigated.

结果表明：掺杂比、氧分压强影响着膜的电学、光学性能和膜的结晶状况。

Among the Stardust particles, the investigators found that the ratio of oxygen isotopes was similar to that found in meteorites formed in the inner solar system.

调查人员发现在星尘样品中氧同位素的比例与形成与太阳系中心的陨石类似。

A recent discovery makes such a determination possible: relative land-ice volume for a given period can be deduced from the ratio of two oxygen isotopes, 16 and 18, found in ocean sediments.

最近的一个发现使得这样的测定变得可行：过去某一时期相对陆地冰的数量可以从两种氧同位素，氧16和氧18的比例中推算出，这两种同位素发现于海洋沉积物中。

The influences to different compounds in the system caused by different temperatures, pressures, methane and oxygen molar ratio have been tested.

通过计算，得到了该体系有利于烯烃生成的反应条件，500℃～800℃、1.5MPa、烷氧摩尔比为7。

The effects of reaction temperature, space velocity, NH 3/NO ratio and oxygen content on selective catalytic reductionactivity were evaluated.

同时 ，将该催化剂的活性性能与其它几种活性组分相同但载体、制备方法、结构不同的催化剂进行了对比。

Measurirg indxes included:(1) Electrocardiograh;(2) Hemodynamics: cardiac output, pump output, aortic pressire, pulmo nary artery pressure, left atrium pressure, right atrium pressure, left ventricular end systolic pressure, left ventricular end diastolic pressure, LV-dp/dt, right ventricul ar end systolic pressure, RV-dp/dt, systolic pressure time index, diastolic pressure time index, endocardial viability ratio;(3) Myocardial metabolism: coronory sinus blood flow, myocardial oxygen consumption, myocardial lactate extractiorn;(4) Ischemic myocardial area;(5) Ultrastructure of myocardium.

测量指标包括：①心电图；②血流动力学：心输出量、泵输出量、主动脉压、肺动脉压、左房压、右房压、左室收缩末压、左室舒张末压、左室压的一阶导数、右室收缩末压、右室压的一阶导数、收缩压力时间指标、舒张压力时间指标、心内膜下心肌供血比率；③心肌代谢；冠状窦血流量、心肌氧耗量、心肌乳酸摄取量；④心肌缺血面积检查及缺血心肌的超微结构观察。

Meanwhile or 24 h later, 316 mg.l-1 sod was added to the culture to act for 24 h, and then, the intracellular reactive oxygen species, apoptosis ratio and expressions of mutant p53 and c-fos protein of hela cells were determined. results the production of ros and the apoptosis of hella cells increased as the action of ddp and adm continued within 24 h, but vp-16 failed to produce such effects.

宫颈癌hela细胞经顺铂、足叶乙甙（vp-16）和阿霉素血浆峰浓度不同时间作用后，测定肿瘤细胞内活性氧水平、细胞凋亡率及突变型p53和c-fos基因表达的变化，并测定不同时间加入sod对ddp、adm、vp-16诱导hela细胞凋亡及p53、c-fos基因表达的影响。

L^(-1) VP-16 for 6, 12, 24 and 48 h. Meanwhile or 24 h later, 316 mg?L^(-1) SOD was added to the culture to act for 24 h, and then, the intracellular reactive oxygen species, apoptosis ratio and expressions of mutant p53 and c-fos protein of Hela cells were determined. Results The production of ROS and the apoptosis of Hella cells increased as the action of DDP and ADM continued within 24 h, hut VP-16 failed to produce such effects.

宫颈癌Hela细胞经顺铂、足叶乙甙(VP-16)和阿霉素血浆峰浓度不同时间作用后，测定肿瘤细胞内活性氧水平、细胞凋亡率及突变型p53和c-fos基因表达的变化，并测定不同时间加入SOD对DDP、ADM、VP-16诱导Hela细胞凋亡及p53、c-fos基因表达的影响。

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。