查询词典 oxygen gas

High content of olefin and butadiene in C 4 feedstock and the oxygen compound in the tail gas of MTBE unit are the main constraint factors of alkylation unit and the production cost of high octane gasoline was increased.

经过研究开发，确定了新的碳四加工联合工艺生产高辛烷值汽油的方案，该联合工艺由碳四选择性加氢，MTBE和烷基化装置三部分组成，并在MTBE装置中采用D0 0 5催化剂以及增设甲醇回收系统压力控制技术。

The oxygen released from the quartz glass envelope changes the color of the gas under high frequency spark discharge from indigo into green.

放电过程中，灯管主要受冲击波和热负载两方面的作用。

The 53-65 is a heavy gas-turbine propulsion, wave-homing anti-ship torpedo originally developed in 1965. The late 1960s witnessed the introduction of an oxygen version 53-65K which was extensively employed by the Soviet Navy. The 53-65KE is the improved export variant which has been sold to many countries.

计划53-65型是一种重型燃气涡轮推进、声导反舰鱼雷，最初在1965年发展。1960年后期看到推出了一种氧推进剂53-65K型广泛地被苏联海军配备。53-65KE是改进的外销型出售到许多国家。

Experimental observations are presented of the effect of the flow velocity and oxygen concentration, and of a thermal radiant flux, on the transition from smoldering to flaming in forward smoldering of small samples of polyurethane foam with a gas/solid interface.

试验主要观察处于阴燃状态的少量聚氨酯泡沫样品的流速、氧气浓度和辐射热通量对气/固界面的影响。

Because of the large expansion ratio of liquid-to-gas, it is very important to provide adequate ventilation in areas where liquid oxygen is in use.

因为液体到气体的大膨胀率，为正在使用液氧的地方提供充分的通风非常重要。

Of the boiling , it is possible to make the nitrogen turn back into a gas and leave the liquid oxygen behind.

由煮沸的仔细的安排，做氮气转动回到气体和离开液氧后边是可能的。

Result Incidence of altitude decompression sickness under rest condition was closely related to age,time of oxygen prebreathing,gas bubble formation rates in the venous blood flow returned to heart and some other physiological indexes.

结果 安静状态下，高空减压病的发生与年龄、预吸氧时间及某些生理指标关系密切；在同样吸氧、减压条件下，年龄较大者(30～36岁)比年轻者(19～20岁)体脂高、血胆固醇高；实验前、后尿去甲肾上腺素增量大的减压病的发生率显著增高。

As a result of bronchial tube distortion,narrow,causes a row of phlegm impeded to cause the trachea and the lungs repeatedly infects,creates the tube cavity to be narrow,the gas channel resistance advances,causes the oxygen deficit and the carbon dioxide remains.

由于支气管的扭曲，狭窄，导致排痰不畅使气管及肺部反复感染，造成管腔狭窄，气道阻力增高，引起缺氧及二氧化碳潴留。

Typically these hard waters are found to have high total dissolved solids including sulfates and chlorides, a pH in the range of 7.2 to 7.8, a high content of carbon dioxide (CO2) gas (over 10 parts per million, ppm), and the presence of dissolved oxygen D.O.

典型例子是这些硬水具有很高的溶解总固体含量，包括硫酸盐和氯化物，pH值在7.2至7.8之间，二氧化碳气体含量高，还存在溶解氧气体。

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。