"No error is possible in isotopic readings," he told the AP. From Wordnik.com. [Synthetic testosterone found in Landis' 'B' sample; Tour winner likely to lose title] Reference
The two kinds differ in their isotopic composition. From Wordnik.com. [Plutonium] Reference
Oxidation resets all the necessary isotopic markers. From Wordnik.com. [Deception Point]
These include laser processes for isotopic separation. From Wordnik.com. [Russ Wellen: Are Nuclear Weapons Really More Bang for the Buck?] Reference
"Did you get the isotopic ratios I needed from O'Brien?". From Wordnik.com. [Time's Enemy]
(Note that its isotopic cousin Pu-239 is even more sensitive.). From Wordnik.com. [NASA Running Low on Pu 238 - Production to Restart - NASA Watch] Reference
The isotopic signature of CO2 in the atmosphere also confirms this. From Wordnik.com. [On Thursday, the Legg report will be published along with...] Reference
However, there is also the isotopic evidence that Jim mentioned earlier. From Wordnik.com. [Hansen: Obama has only four years to save the world - NASA Watch] Reference
And the isotopic composition was not the same as that of the reprocessed plutonium. From Wordnik.com. [CNN Transcript Nov 27, 2002] Reference
Catastrophic isotopic modification of rhyolitic magma at times of caldera subsidence. From Wordnik.com. [Scientific Articles on Yellowstone] Reference
"One more scan, and I'll have the current isotopic ratios of the dilithium crystals.". From Wordnik.com. [Time's Enemy]
Accretion of Asian dust to Hawaiian soils: isotopic, elemental and mineral mass balances. From Wordnik.com. [Global Environment Outlook (GEO-4)~ Chapter 3] Reference
Non-condensable gases (ncg) are dominated by CO2 (95. 5-98.9%) with an isotopic composition. From Wordnik.com. [Alid project summary] Reference
No one knows how many other elements may also possess so-called isotopic forms of this kind. From Wordnik.com. [Theodore W. Richards - Nobel Lecture] Reference
We quickly found that CO is widely distributed in our galaxy and so abundant that the rare isotopic species. From Wordnik.com. [Robert Woodrow Wilson - Autobiography] Reference
"Just tell us what the isotopic ratios are in the dilithium crystals from the Defianfs warp core right now.". From Wordnik.com. [Time's Enemy]
From the Moon came raw materials for space construction and isotopic fuel for Earth's fusion power generators. From Wordnik.com. [Empire Builders]
Second, we collected around 100 bone/tooth samples in order to perform ancient DNA, isotopic, and carbon 14 analysis. From Wordnik.com. [Interactive Dig Sagalassos - Paleoanthropology Report 1] Reference
Batteries, isotopic and crystalline as well as chemical, held energy for weeks of life support and ordinary operations. From Wordnik.com. [Inconstant Star]
He has now discovered that isotopic values from that first Neanderthal tooth point to travels as much as 300 miles away. From Wordnik.com. [Wandering Neanderthals] Reference
Fusion of isotopic hydrogen nuclei is the principal means of producing energy in the high-temperature interior of stars. From Wordnik.com. [His Watery Beer] Reference
Pollen-stratigraphical evidence of Holocene hydrological change in northern Fennoscandia supported by independent isotopic data. From Wordnik.com. [Historical changes in freshwater ecosystems in the Arctic] Reference
The mass spectrometer alone (almost 40 kg by itself) goes way beyond anything MER could hope to do in chemical and isotopic analysis. From Wordnik.com. [MSL Delay: Add 2 Years and $400 Million (and counting) - NASA Watch] Reference
Where uranium uptake into teeth was significant, an approach combining ESR and 230Th/234U isotopic analysis also yields excellent ages. From Wordnik.com. [Archive 2009-02-01] Reference
The plutonium isotopic composition of used MOX fuel at 45 GWd/tU burnup is about 37% 239Pu, 32% 240Pu, 16% 241Pu, 12% 242Pu and 4% 238Pu. From Wordnik.com. [Mixed oxide fuel (MOX)] Reference
Sr and oxygen isotopic compositions for these samples differ appreciably from their hosts, hinting that they might not be genetically related. From Wordnik.com. [U-Pb and Ar-Ar constraints on the age of granitic intrusions beneath Medicine Lake Volcano, California, USA] Reference
The oxygen within this recrystallized calcareous coating -- the patina -- has the same isotopic ratio as the water from which it was produced. From Wordnik.com. [Gold Dust and James Bond] Reference
The elements the box is made of are carefully averaged isotopic forms that could have come from any of nine galaxies we know about and probably more. From Wordnik.com. [Breaking Point] Reference
While the "internal" isotopic characterization of these artifacts is not a problem, there is a clear lack of isotopic background data for comparison. From Wordnik.com. [Interactive Dig Sagalassos - Isotope Archaeology Survey Report 1] Reference
The strongest evidence comes from measurements of the isotopic signature of carbon dioxide -- the amount of carbon-12, -13, and -14 in the atmosphere. From Wordnik.com. [David Roberts: Huffington Post Blows It With Recycled Climate Skeptic Nonsense] Reference
However, the lithophilic, or "non-core", element neodymium discovered in the Earth's surface differs somewhat from the meteorites in its isotopic make-up. From Wordnik.com. [New Notions of Earth's Origins Needed, Says Geochemist] Reference
To further study the raw materials used for glass production, they have taken samples of glass chunks and production waste for chemical and isotopic analysis. From Wordnik.com. [Interactive Dig Sagalassos - Glass Studies] Reference
Shallow wells in the alluvial fans to the immediate west of Alid yield waters with isotopic compositions consistent with some recharge from the Eritrean Plateau. From Wordnik.com. [Alid project summary] Reference
Thorium-fuel technology will produce about 85 percent less plutonium, but that plutonium will be in an isotopic mix that is completely unusable for nuclear weap-ons. From Wordnik.com. [Clean Nukes Go Public] Reference
There are many methods: flotation sieving, pollen and zooarchaeological analysis, chemical analysis of soil, isotopic analysis of ocean deposits, etc., are commonly used. From Wordnik.com. [Of Cereal and Civilization] Reference
Produced naturally through the nuclear fuel cycle and used in a variety of applications from agriculture to cancer treatment, it is highly radioactive in isotopic form Cs-137. From Wordnik.com. [Rizwan Ladha: The Real Deal With Cesium] Reference
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