isotopic
adj. 同位素的;同位旋的
2026-01-10 11:35 浏览次数 12
adj. 同位素的;同位旋的
isotopic dilution[核] 同位素稀释
isotopic ratio[核]
isotopic content同位素含量
isotopic peak[核]
isotopic carrier[核] 同位素载体
isotopic tracer示蹤同位素;[核] 同位素指示剂;示蹤物
isotopic effect同位素效应
Isotopic Dilyeion核素解法
isotopic hydrogeology同位素水文地质学
isotopic enrichment同位素浓化
magma rising from deep within the earth has a different isotopic and chemical composition than magma that forms just below earth「s crust.
从地球深处所喷出的巖浆与仅低于地壳表面所形成的巖浆有着了不同的同位素和化学成分。
now, by examining the isotopic composition of that water, researchers have found that it matches that of meteorites, the likes of which also delivered earth its first drink.
现在,通过检查水的同位素构成,研究人员发现这与第一次给地球带来水的陨石相吻合。
estimates of the rocks」 age were made using isotopic dating, a technique which can only be used to date rocks roughly 4.1 billion years old or older.
这些巖石的年龄是经过「同位素测年法」测定出来的。同位素测年法只能够用于测定至少有41亿年历史的巖石的年代。
and an isotopic comparison of the mineral strontium, which is absorbed by the body from plants, revealed that he was born and grew up in the mediterranean.
利用同位素对矿物质zh锶(这种矿物由人体从植物中吸收)的对比发现,他应该在地中海地区出生并长大。
desaulty contends that because the isotopic makeup of contemporaneous coins is very consistent, the sample is likely representative of the coins that were in circulation.
安妮-玛利亚辩解道,因为同位素的定位在当代银币中很有连贯性,这些样品很能代表当时流通的银币。
the trick they used to do this was to look at the isotopic composition of the oxygen in the wood of local trees.
他们所使用的办法是观测当地树木的木材中的氧同位素组成(isotopiccomposition)。
「we are currently undertaking osteological and forensics studies, but it will be some months before we have this information and we can compare it with the isotopic information, 」 he said.
我们还在进行事骨骼学和法医学研究,但要等几个月才有结果了。 届时,我们可以将其和同位素信息进行比对。
being a noble gas, it resists chemical bonding with other elements and is thus easy to purify for isotopic analysis.
由于氙是惰性的,不易与其他元素产生化学键,因此很容易纯化以进行同位素分析。
where possible all four isotopic systems were tested in the same individual.
这四种元素在同一个人身上都可能存在。
he isolated some of the iron from the hemoglobin of the goose and among other things, ran an isotopic analysis on it.
他从鹅的血红蛋白中分离出一些铁,并做了一些试验,其中之一就是对这些铁进行了同位素试验。
the next step, says saal, is to measure the hydrogen isotopic composition of the ice caps and compare it with the isotopic composition of the volcanic-glass pebbles.
下一步,萨尔说,是要测量(月球)冰帽中氢同位素的构成并将其与现有的火山玻璃卵石的同位素构成进行比较。
after crystallization radioactive lead in the lead isotopic composition of feldspar may increase because rare uranium and thorium are contained in the mineral.
结晶后,长石中微量铅的同位素组成,仍可能受所含微量铀、钍影响而增加放射成因铅。
the isotopic ratio of lithium was determined by cumulating intensity of ion current during evaporation of all samples on evaporation filament.
用热表面离子源测定了锂同位素丰度,在样品全耗尽过程中累计离子流强度。
solar wind samples reveal that earth, the moon and mars have different isotopic ratios than the sun, indicating some additional wrinkles in the planetary origin scenario.
对太阳风进行检测发现,太阳的同位素比例与地球、月球和火星不同,说明还有其他的因素参与了行星的起源。
while initial research was aimed at looking at seasonal variations in diet, the isotopic tests pointed them instead to apparent gender variations.
虽然初始的研究是为了确定其食物随季节的变化,同位素测试让他们发现了明显的性别差异。
you「ve got some radioactive isotopic that can spontaneously decay into some other nucleus.
我们有一些放射性同位素,这些同位素会自发变成其他的原子核。
they would leave subtle clues in the isotopic composition of the limestone by shifting the ratios of light to heavy carbon and oxygen atoms in its calcium carbonate.
因为如果是那样的话,阳光将会被转换成大量的碳、氧原子保存到石灰巖中的碳酸钙里,而事实却是,巖层的同位素组成(isotopiccomposition)中没有留下任何蛛丝马迹。
this paper, combined with previous data, briefly summarizes the results of isotopic studies of these deposits.
本文结合前人的资料,对这些矿床的同位素研究成果作一概括性总结。
the molecules」 structures and isotopic signatures record their biological origin and history.
分子构造和同位素标识记录了他们的生物学起源以及历史。
the giant impact theory explains many aspects of lunar geology including the size of the moon'score and the density and isotopic composition of moon rocks.
大碰撞假说能够解释月质学的许多方面内容,包括月球核心的大小、密度、月巖的同位素组分等。
the lead isotopic composition of k-feldspar analysed may not represent that of k-feldspar at the time of magmatic crystallization.
经分析测得的长石铅同位素组成,可能不代表巖浆结晶时的同位素组成。
the isotopic composition of hydrogen and oxygen in heavy water are analyzed by using a high-resolution mass spectrometer.
用高分辨率质谱计分析了重水中氢与氧的同位素组成;
the isotopic signatures of most ancient limestones indicated the same process .
大多数古代石灰巖的同位素特征说明了同样的过程。