atmospheric oxygen
英 [ˌætməsˈferɪk ˈɒksɪdʒən]
美 [ˌætməsˈferɪk ˈɑːksɪdʒən]
网络 大气氧
双语例句
- Rust is the product of a slow combination of iron with atmospheric oxygen and water vapor.
锈是铁和空气中的氧和水蒸汽缓慢结合的产物。 - Mercedes was similarly stingy with details about the fuel cell, saying only that "gaseous hydrogen reacts with atmospheric oxygen at700 bar."
梅赛德斯公司也不愿透露燃料电池的细节，只说“气态氢在700吧条件下与大气中的氧气发生反应。” - Remember the1980s, when it seemed the Amazon rain forest wasn't long for this world& and that humanity was threatened as atmospheric oxygen levels correspondingly declined?
记得上世纪80年代，亚马逊雨林似乎很快就要在世上消亡了，但难道这会导致大气中的氧含量相应下降，进而使人类受到威胁？ - The type genus of Rhizobiaceae; usually occur in the root nodules of legumes; can fix atmospheric oxygen.
根瘤菌典型属；通常长在豆类的根结节处；可以固定大气中氧的含量。 - Once photosynthesis had raised atmospheric oxygen levels high enough, the ozone layer formed, meaning that it was then possible for living things to venture onto the land.
一旦光合作用上升了大气氧气成水平足够高，臭氧层被形成，意味，它是然后可能为生存事冒险土地。 - In this thesis, the heterogeneous reactions of SO_2 with oxides, atmospheric particles and mixtures were studied in the presence of oxygen.
大气颗粒物与大气化学成分的多相反应这一课题属于前沿课题。 - Under the room temperature and atmospheric pressure, hydrogen and oxygen can be in situ converted into hydrogen peroxide in pulse corona plasma;
在室温和常压下，氢气和氧气能够在脉冲电晕等离子体条件下原位转化为过氧化氢； - "It is a car that stores hydrogen on board, and, mixing the hydrogen and atmospheric oxygen in the fuel cell stack, creates electricity," said Mittleman.
这种汽车可以将氢储存在车上，然后将氢和大气中的氧气在电池箱中混合，产生电力。 - The tough natural environment on the Qinghai-Tibet Plateau, such as low atmospheric pressure and lack of oxygen, causes great impact on people's health and work capacity.
青藏高原的低压、缺氧等严酷的自然环境，给人体健康和劳动能力带来较大影响。 - The capability to do quantitative measurement was demonstrated by recording the atmospheric oxygen absorption near 760 nm.
通过对大气中氧气在760nm处的吸收谱线的绝对强度测量，验证了该方法的定量测量能力。 - The cure-inhibition effect of the atmospheric oxygen usually causes the surface stick of the cold-cured unsaturated polyester resin.
由于空气中氧的阻聚效应，而经常引起室温固化不饱和聚酯树脂表面发粘。 - As pure oxygen pressure is much higher than atmospheric oxygen partial pressure, the oxygen transfer rate in oxygen aeration process is remarkably raised.
由于纯氧的压力高于空气中的氧分压，纯氧曝气可显著提高氧的转移速率。 - The Effect of Atmospheric Oxygen Anion on Growth of Embryo and Chick
空气负氧离子对鸡胚和雏鸡生长发育的影响 - Study on Atmospheric Fixed-bed Coal Gasification with Rich Oxygen or Pure Oxygen
煤常压富氧及纯氧固定床气化的研究 - This study is designed to investigate desizing PVA on cotton fabric using an atmospheric pressure plasma treatment with oxygen/ air/ helium or air/ helium mixture gases as medium.
研究用氧气/空气/氦气和空气/氦气常压等离子体处理退除棉织物上的PVA浆料。 - Difference between atmospheric pressure oxygen and high pressure oxygen
常压氧与高压氧的区别 - Mild gasification of lignite is a Clean Coal Technology ( CCT). By means of this method, we gain coal gases and tar only by hot-working and atmospheric pressure, instead of using Oxygen and Hydrogen.
褐煤温和气化技术是一项洁净煤技术，仅是一个热加工过程，常压生产，不用氧气和氢气，即可制得煤气和焦油。 - During the frying process the fat undergoes several chemical and physical changes caused by heat, water and atmospheric oxygen.
油脂在煎炸过程中，由于温度高及水分和氧气等存在，将发生一系列物理化学变化； - Isotopic composition of atmospheric oxygen and nitrogen.
大气中的氧和氮的同位素组成（文摘） - Additionally, in this paper we give an example of the application of reactive phosphorus burial records to the study of geochemical cycle of oxygen, and show the significance of phosphorus cycle in terms of the stability of atmospheric oxygen.
此外还例举了古海洋活性磷埋藏记录在氧气地球化学循环研究中的运用，指出活性磷循环对大气氧含量的稳定起到重要的作用。 - The results were as fol-lows: 1. 100000/ cm3 of atmospheric oxygen anion can promote growth of embryo and in-crease hatchability of fertile eggs;
结果表明：（1）200000和100000个/cm3负氧离子有助于胚胎的生长发育，能提高种蛋的孵化率； - Experimental Research on Atmospheric Oxygen Band
大气氧谱带的实验研究 - Low atmospheric pressure and low blood oxygen saturation.
低气压、低氧分压； - The smallest friction coefficient of the graphite at 400 ℃ in air was attributed to the thermal chemical reaction among the carbon atoms of high activity and the atmospheric oxygen, which led to the formation of a reaction film with good lubricity on the rubbing surface.
其原因在于，石墨在较高温度下同空气发生氧化反应，在摩擦表面形成具有减摩作用的反应膜，从而使摩擦系数减小。 - Optical Properties of ZnO Thin Film Grown by Atmospheric Pressure-Metal Organic Chemical Vapor Deposition Using N_2O as Oxygen Precursor
N2O为氧源金属有机化学气相沉积生长ZnO薄膜的光学性能研究 - The reactions are insensitive to atmospheric moisture and oxygen, and neither dried solvent nor an inert atmosphere is required.
该反应对空气中的湿气和氧气不敏感，也无需干燥的溶剂或惰性环境保护。