Researchers' clues to the Eemian climate come from measurements of the ratios of two slightly different types of oxygen, isotopes oxygen-16 and oxygen-18, preserved in the GRIP core.
研究人员对间冰期气候的线索来自保存在GRIP 冰芯中的两种略微不同类型的氧——即同位素氧-16和氧-18的比率。
In larger stars, pressure at the core is high enough to fuse heavier elements such as oxygen and carbon, creating more photons.
对于更大的恒星,核心的压力大得足以使更重元素进行聚变反应,比如氧和碳元素,它们将创造更多的光子。
All that carbon and oxygen — byproducts of the helium fusion process — build up in its core. At that point the star will shed its outer layers and the core will form a White Dwarf.
所有氦聚变中的附产物碳和氧在它的核心逐渐积聚,这期间它将失掉较外层物质,核心最终枯萎成为白矮星。
He needs to disarm a lost nuclear warhead (technology as danger), and while he is successful, he does not have enough oxygen left in his suit to return to Deep Core (technology as inadequate).
他的任务是找到失踪的核弹头并拆除上面的引信(反映了技术之危险),虽然后来任务完成,潜水衣中的氧气却不足以支撑他重新返回钻台了(反映了技术之不足)。
It is made when speeding neutrons from the reactor's core hit oxygen in the surrounding cooling water.
氮16是来自堆芯的高速中子在周围的冷却水中撞击氧原子的时候产生的。
The authors analysed 340,000 years of oxygen and hydrogen isotope data from three ice core sites across East Antarctica, alongside isotope-enabled general circulation model results.
科学家们分析了340,000年的横跨东南极洲的三个冰芯地址的氢氧同位素数据,并与同位素启用整体循环模式系统得出的结果。
When sucked up by a whirl of air, this unburned gas travels up the core until it reaches a region where there is enough fresh, heated oxygen to set it ablaze.
当这些未能燃烧的气体被气漩涡吸起,一直移动到核心处拥有足够氧气的区域,受热的氧气就会让这些气体燃烧起来。
A fire tornado consists of a core-the part that is actually on fire-and an invisible pocket of rotating air that feeds fresh oxygen to the core.
火龙卷风是由一个正在燃烧的核心和看不见的一片旋转气流组成的,旋转气流不断把新鲜空气注入核心。
How to control the downhole tool's neutron tube from the surface is a complex problem in the pulse neutron oxygen activation logging tool, which measures through a single core cable.
在单芯电缆测量的脉冲中子氧活化仪器中,如何从地面实现对井下中子管的控制是一个非常复杂的问题。
Measuring cell is the important component part of oxygen detector, dumbbell ball system is the core part of measuring cell.
测量池是测氧仪的重要组成部分,哑铃球系统是测量池的核心部件。
It turned out that whatever the outer core is made of, it isn't an iron-oxygen mix.
出现的结果是无论外核是什么造就的,但它不是铁和氧的混合。
The Long March 5 has core stages fed by liquid hydrogen and liquid oxygen, another technology route to high specific impulse.
长征5有由液态氢和液态氧,另一种技术路线,高比冲美联储的核心阶段。
The results show that the generating condition of a high efficiency reaction core is the centralization of high temperature, oxygen and raw material particles.
结果表明,形成“高效反应区”的主要条件是高温、氧气和颗粒群的集中。
The extrusion process to form the nozzle base frame in oxygen core lance has been supposed to adopt.
建议采用挤压工艺成形氧枪喷头底座。
Especially in high-performance oxygen to soft magnet materials and magnetic core has a strong technical force.
尤其在高性能软磁铁氧提材料及磁芯领域有着强大的技术力量。
The eyeball structures might have recorded the history of oxygen activity in the mantle and the Earth's core.
因此,眼球构造可能是外地核向地幔释放氧,下地幔内存在氧元素的历史记录。
The current of stainless steel cathodic oxygen reduction electricigenic permeable reactive barrier (CORE-PRB) is limited though stainless steel fiber has many advantages to act as the electrodes.
不锈钢毛虽然用作阴极氧还原产电生物反应栅(CORE-PRB)的电极材料虽然有很多优点,但是反应电流较小。
In this study, 1003 core samples were collected, found 557 fossils of ostracods, identified the 15 fossil assemblage, the measured carbon and oxygen isotopes 252, and 189 trace element ratio data.
本研究共采集岩心样品1003个,发现介形类化石557个,鉴定出15个化石组合带,测得252组碳氧同位素和189组微量元素比值数据。
In this study, 1003 core samples were collected, found 557 fossils of ostracods, identified the 15 fossil assemblage, the measured carbon and oxygen isotopes 252, and 189 trace element ratio data.
本研究共采集岩心样品1003个,发现介形类化石557个,鉴定出15个化石组合带,测得252组碳氧同位素和189组微量元素比值数据。
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