对这些珐琅碎片进行金属元素锶的同位素测试,这种元素可以揭示出个体所成长的地理区域。
These fragments were then analysed to test for particular isotopes, or forms, of the metallic element strontium, which can reveal the geological region where individuals were raised.
不过,课本中所列出的反应,却无法解释某些不寻常金属同位素的出现,例如太阳与流星中所含的钼和钌。
Textbook reactions cannot explain the emergence of unusual isotopes of metals such as molybdenum and ruthenium seen in the sun and meteorites.
在迄今所知的金属-氢体系中,钯氢体系的同位素效应最强,因此,钯被广泛用于氢同位素处理工艺中。
Palladium-hydrogen system has the largest isotope effect in the metal - (hydrogen) systems so far as we know, so palladium is widely used in hydrogen isotopes (disposal) technology.
目前,评价土壤中金属植物有效性的方法主要有:化学提取法、植物吸收试验、微生物和酶活性试验及同位素法。
The main methods now to evaluate Pb availability in soil are chemical extraction, plant adsorption, microbial and enzyme activation and isotopes tests.
评述了氢同位素与金属氢化物在未来能源中的应用。
The probable application of hydrogen isotopes and metal hydrides to future energy source is reviewed.
近年来铅同位素示踪在研究土壤中相关重金属来源及其运移途径起到独特的作用。
In recent years lead isotope tracing has been playing its unique role in studying the source and migration of heavy metals in soil.
利用这种性质可以进行金属氢化物柱内氢同位素间的置换,实现工程方面的应用。
With this character, the displacements between hydrogen isotopes can be conducted in metal hydride packing column, further, and some important applications in en...
其稳定的同位素为铀和其它重金属放射衰变后的最终产物。
Its stable isotopes are all end products of radioactive decay of uranium and other heavy elements.
金属矿物硫同位素组成在同位素交换平衡条件下属中低温环境沉淀。
The s isotopic components of metal minerals indicates a mid-low-temperature environmental precipitation under the condition of isotopic exchange equilibrium.
固体表面吸附的氢同位素具有自发与气相氢同位素交换并达到某种程度平衡的性质,这种交换作用在金属氢化物表面同样存在。
The hydrogen absorbed on solid surface can exchange with its isotopes in gas phase until equilibrium achieved. Such characteristic exists in metal hydride-hydrogen system, too.
同位素真实性分析、果汁质量检测,卫生要求检测,真菌毒素、有机酸、糖类、重金属、元素分析等。
Isotope analysis for authenticity, juice quality and hygiene testing, mycotoxins, organic acids, sugars, heavy metals and elements analysis.
文章介绍用离子束方法分析贮氢金属中氢同位素含量与分布的实验条件与设计,并分析各自的优、缺点。
The content of deterrent and its content distribution in a new propellant were measured with gas chromatography.
文章介绍用离子束方法分析贮氢金属中氢同位素含量与分布的实验条件与设计,并分析各自的优、缺点。
The content of deterrent and its content distribution in a new propellant were measured with gas chromatography.
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