heavy oxygen
英 [ˈhevi ˈɒksɪdʒən]
美 [ˈhevi ˈɑːksɪdʒən]
网络 重氧
双语例句
- Scientists say the excess heavy nitrogen could have come from a comet. And the heavier oxygen from a natural process that left more of the light isotope in the part of the nebula that made the sun.
科学家们指出氮的超出重量可能来自彗星；重量较大的氧来自某种自然过程，在此过程中，大部分的轻同位素留在了形成太阳的部分星云中。 - Since animals living in the ocean use the carbon and oxygen that remains in the water to build their shells, the shells of animals that lived in a cool climate contain more heavy oxygen.
自从在海边生存的动物使用仍然在水中的氧气和二氧化碳去建它们的贝壳，在凉爽气候下生存壳类动物蕴含更多的重氧。 - Researchers said the zircon's high level of heavy oxygen isotopes suggest it was cooled by surface water after it formed.
研究人员说锆石的高标准重氧同位素暗示了它形成之后靠地表水来冷却。 - They then used local snowfall records to find the relationship between precipitation and the proportion of heavy oxygen in tree rings for the years covered by the weather records.
他们然后使用当地的降雪记录来寻找有气象记录的年代里降雪量和树木年轮中氧元素同位素的比率之间的关系。 - The colour of the as-grown crystal becomes heavy with the increase of the content of oxygen in the furnace gradually.
生长的晶体颜色随着生长时炉膛内氧气氛的含量的增加而逐渐加深。 - In this paper, firstly, the effect of heavy boron-doping on oxygen precipitation was investigated.
本文研究了直拉重掺硼单晶硅的氧沉淀行为，着重研究了直拉重掺硼硅单晶中的氧沉淀的热处理、内吸杂、RTP处理等性能。 - It is described that a series research of heavy phosphorous diffusion gettering, aluminum and combination of aluminum and phosphorous gettering ( evaporation of aluminum on the back of the wafers) are used to fabricate monocrystalline silicon with different impurity concentration of interstitial oxygen.
对不同氧含量的太阳电池用直拉硅片进行了磷扩散吸杂、铝吸杂及磷-铝联合吸杂的研究。关于油品蒸发问题降水与蒸发； - There is lots of heavy oil to be consumed and rich oxygen to be used to aid combustion in tilting furnace refined process by restores with oil in Guixi smelter, this is a new way to energy conservation.
贵溪冶炼厂倾动炉精炼在还原过程中燃烧一定量的重油和采用富氧助燃，为节燃降耗寻找到了又一途径。 - The metallographic structure, mechanical properties and the component distribution in the tiny area of W Ni Fe heavy alloy were observed and analyzed. The effect of the oxygen content on the structure and mechanical properties of the alloy was discussed.
对WNiFe高比重合金的金相组织、力学性能以及微区成份分布进行了观察分析，讨论了氧含量对合金组织结构及机械性能的影响。 - The enrichment of heavy oxygen and hydrogen isotope in the solid phase, during the gas hydrate formation, causes a decrease gradient in the δ 18O and δ D profiles and indicates the gas hydrate existence.
氢同位素δD随深度略有下降（从11‰到-12‰），这与水合物形成时氢氧重同位素相对富集于固相有关，表明天然气水合物的存在。 - Effect of the New Gasoline Standard on Heavy Oil Machining& The material balance of three elements, carbon and hydrogen and oxygen
新配方汽油对重油加工的影响&碳氢氧三元素物料平衡 - Utilizing temperature control-ler to control the temperature of the fermenting grains in heavy koji-making through layer venti-lation, provide oxygen and adjust humidity was a way to increase koji-making enzyme activity and lower labor intensity only by investing a small amount of money.
采用温度控制仪控制厚层通风制曲品温、供氧、调湿，是一种投资百余元就可以提高成曲酶活力、减轻劳动强度的方法。 - The formation of heavy oil reservoirs is chiefly controlled by late uplifting of the basin, biodegradation, water-washing, and free oxygen oxidizing.
重质稠油藏的形成主要受盆地后期抬升活动、生物降解、地层水洗和氧化作用等因素控制。 - The struetural determination shows that its structure belongs to isomorphism and the heavy atoms ( Ba. Pb) are surrounded by nine oxygen atoms.
结构测定表明它的结构属于类质同象，重原子（Pb，Ba）的周围有九个氧原子。 - Oxygen in heavy oil always had bad effect on oil and its products. But there are few studies on the analysis method of oxygen content and the distribution of different types oxygen in heavy oil. Systematic and simple methods are lacked.
重油中氧的存在一般会对石油及其产品产生不良的影响，然而对重油中氧含量的分析方法及各类型氧分布的研究较少，缺少系统、简便的分析方法。 - Besides, heavy metals also raise the rate of electrochemical step of the anodic reduction of oxygen.
此外，重金属还提高了氧阴极还原的电化学反应环节的速率。 - The research about impact of heavy metals on MTs gene expression mostly from the point of view that the-SH group of MTs can chelate the heavy metals, however, little research on the point of view that MTs can scavenge of reactive oxygen species.
而在对重金属离子对植物MTs基因表达影响的研究中，大多是从被诱导表达的MTs的巯基可以螯合重金属这个角度进行分析，从MTs清除ROS的角度进行分析的较少。 - Metallothioneins ( MTs) are generally thought to role in heavy metal tolerance and detoxification, metal homeostasis, essential metal storage, participation in stress responses, developmental regulation, and ROS ( reactive oxygen species) scavenging.
一般认为，金属硫蛋白（metallothioneins，MTs）在植物对重金属的耐受和脱毒、金属离子稳态的维持、必需金属离子的贮藏、胁迫响应、发育调节和活性氧清除等方面发挥着作用。