查询词典 oxygen ratio

With a hydrogen/oxygen rocket the same mass ratio permits an 85-degree plane change .

与氢/氧火箭同样的质量比允许的85度平面的变化。

Under the experimental conditions, the ratio of oxygen generation rate to air flow rate is about 15 to 18, the recovery about 25% to 30%.

产氧量与空气量之比约为15－18，氧气收得率约为25％～30％。

The effects ofreaction temperature, reaction time, BPO and St concentrations,Oxygen on grafting ratio were studied.

研究了反应温度、反应时间、BPO浓度、苯乙烯浓度以及氧气对接枝率的影响。

The results show that the ambient oxygen and ratio of the materials are critical to microwave sin...

结果表明：利用微波反应烧结β′-Sialon，原料配比和炉气中氧含量很关键；微波反应合成烧结Z值等于3的β′-Sia-lon的最佳工艺是1500℃、保温90 min，该工艺烧结的材料密度为3.050 g/cm3和室温抗弯强度为150 MPa。

An improved Smith predictive control method which can resolve the problem of a long time delay of the ratio of oxygen to methanol in the manufacturing process of formaldehyde is introduced,and the simulation of the system is also implemented.

针对甲醛生产过程中氧醇比控制中大滞后延迟的难点，设计了改进的史密斯预估控制系统，并实现了对该系统的计算机仿真。

The effects of some key parameters such as combustion air temperature, excessive air ratio and oxygen concentration on combustion characteristics were systematic discussed.

分析了助燃空气温度、过量空气系数、助燃空气中氧浓度对燃烧特性的影响。

With increasing temperatrue, the ratio of oxygen to chlorine increases. Then the trend of oxidation reactions is to be strengthened and the trend of chlorination reactions is declined.

随环境温度的升高，腐蚀过程中氧化反应的倾向得到加强，氯化反应的趋势随之减弱。

Effect of catalyst concentration、bath ratio、oxygen quantity inputted and reaction time on the perfo...

针对于此，本文考查了催化剂用量、浴比、通氧量、反应时间对玉米淀粉水解氧化物性能的影响。

The suitable range of substrate temperature for diamond growth is also dependent on gas flow ratio of oxygen to acetylene.

不同气体流量比时，衬底温度的范围也不相同，当流量比接近于1时，衬底温度的范围最宽；流量比偏离1时，衬底温度的范围将迅速变窄。

In this paper, 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。

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。