氧气

The gas semi-synthetic which use for Synthesis ammonia gas is take water vapor and oxygen as gasifying agent.

作为氨合成的半水煤气是以氧气和蒸汽作为气化剂的制得的气体。

The test indicates that reaction temperature is higher, reaction time is longer and nitrogen content is lower than those when technical lignin material is used. Efficiency of ammonification with peroxide of hydrogen as an oxygenant is higher than that with oxygen as an oxygenant.

实验表明天然木质素原料氨化的反应温度比工业木质素高，反应时间较长，氨化产物的含氮量较低（含氮量为3.9％-6.7％；用过氧化氢作氧化剂比用氧气作氧化剂，氨化效率高。

Activities can cause a very large release of DIN by virtue of excretion, burrowing, bioturbation and sediment resuspension. Developed cave in sediment and continual turnover of sediment by crab can improve an organic matter remineralization and ammonification, consequently reworking the DIN vertical profile in sediment.

蟹类活动造成的洞穴结构及对沉积物的翻动混合能增加沉积物中的氧气含量，促进沉积物中有机氮的矿化和NH(上标+下标 4)的释放，造成无机氮在沉积物中的剖面分布特征发生较大变化。

The coal sample was combusted in the oxygen bomb containing ammonium carbonate solution and enough pressed oxygen.

在加有(NH4)2CO3溶液和过量氧气的氧弹中燃烧煤样，释放的氯被(NH4)2CO3溶液吸收，过滤溶液后，采用离子色谱外标法测定滤液中氯的浓度，最后计算出煤中氯的含量。

The process is anaerobic, meaning it excludes oxygen, and Mr.

甲烷的产生过程是厌氧的，也就是要隔绝氧气。

Anaerobic respiration Respiration in which oxygen is not involved, found in almost all organisms.

厌氧呼吸：几乎在所有的有机体中发现的不包含氧气参与的呼吸。

I had experienced oxygen andor engine trouble.

我曾碰到过，不是氧气设备出故障，就是引擎出故障，或二者都出故障。

My breathing grew so shaky that the anesthesiologist gave me oxygen and then, thankfully, put me back to sleep.

我的呼吸变得很不均匀以至于麻醉师给我注入氧气接着，感谢上帝，我轻轻的睡去了。

We know that oxygen is necessary for thebreathing of ani mals and p lants, and for burning .

张译： 我们知道氧气对于动植物的呼吸和燃烧是必不可少的。

Give the product of the reaction of anthracene and O2 with a photosensitizer in the presence of ultraviolet light.

答：写出蒽与氧气在光敏剂和紫外线照射的条件下的产物，光敏剂起到什么作用

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。