| 单词 | mass spectrometer |
| 例句 | The chemicals were only identified in Mississippi after doctors at the medical center analyzed drug samples using a liquid chromatography-tandem mass spectrometer, an hourlong process performed by a machine generally available only at research institutions. Spice: Americans turn to dangerous 'synthetic marijuana' to evade drug tests 2016-05-08T04:00:00Z The second mass spectrometer sorted and weighed these fragments, producing a fragmentation-ion pattern that is unique for any given compound, and therefore functions like a molecular fingerprint. How Chris McCandless Died: An Update 2015-02-11T05:00:00Z We then sent these carbon atoms — from a very metabolically active part of the amino acid called the carboxyl group — through a machine called a mass spectrometer to read their isotope fingerprints. Ever wonder how your body turns food into fuel? We tracked atoms to find out 2023-09-05T04:00:00Z Although almost completely paralyzed, Rhyme works with utmost efficiency from the living room of his townhouse, which comes fully equipped with high-tech gadgets, including a very serious gas chromatograph/mass spectrometer. Solving Crimes the Old-Fashioned Way 2018-04-13T04:00:00Z Attygalle analyzed the beetles’ spray using a piece of equipment called a mass spectrometer. Scientists solve mystery of bombardier beetles’ hot, toxic spray 2020-07-02T04:00:00Z According to him, the "beasts" are kept under special conditions because there is a vacuum inside the mass spectrometer. Charged 'molecular beasts' the basis for new compounds 2023-11-03T04:00:00Z Using a mass spectrometer, the researchers identify which compounds are present and in what quantities. Pinpointing the emergence of muddy flavors in your fish 2023-10-19T04:00:00Z Hofmann will use a special kind of mass spectrometer called an Orbitrap to identify specific organic molecules with different isotopic compositions within her samples and compare their amounts. Pebbles from an Asteroid Are about to Be Delivered to Earth, and It’s Totally Awesome 2023-06-17T04:00:00Z Working ring by ring, she sliced out tiny wood chips from the cedar and ran them through an accelerator mass spectrometer to determine the ratio of 14C to stable carbon isotopes. Marking time: Cosmic ray storms can pin precise dates on history from ancient Egypt to the Vikings 2023-04-13T04:00:00Z If the plumes exist, Juice’s mass spectrometer might be able to sample their outer reaches and hunt for organic molecules. Spacecraft will explore habitability of Jupiter’s ocean moons 2023-04-05T04:00:00Z The device was an experimental version of a mass spectrometer, used to identify chemicals. They call him the Eagle: How the U.S. lost a key ally in Mexico as fentanyl took off Miami Dade does not have an operational mass spectrometer, suggesting McKinney would have had to perform the isotope analyses underlying the paper at another facility. Paleontologist accused of faking data in dino-killing asteroid paper 2022-12-06T05:00:00Z We tested this theory by spraying amino acids dissolved in microdroplets of water toward a mass spectrometer, an instrument that can be used to analyze the products of a chemical reaction. The water paradox: How did the first life form in a hostile liquid? 2022-11-15T05:00:00Z Using World Anti-Doping Agency guidelines, the researchers ran these hairs through a mass spectrometer, a machine that can identify the chemical signatures in samples, and found traces of numerous intoxicating plants. Archaeologists find a trove of ancient human sacrifices fed psychedelic cacti before death 2022-11-07T05:00:00Z Juice’s mass spectrometer can provide another handle on the composition of the crust. Spacecraft will explore habitability of Jupiter’s ocean moons 2023-04-05T04:00:00Z Just milliseconds later, when the molecules pinged the mass spectrometer, they had formed chemical bonds called dipeptides. Ocean spray may have created conditions for life to form on Earth, new study suggests 2022-10-07T04:00:00Z After filtering out nitrogen, argon, and other trace gases, she ran the remaining oxygen through a souped-up mass spectrometer customized to tally all the oxygen atoms present by weight. Ice age ‘weather balloon’ probes ancient temperatures high in the atmosphere 2022-09-05T04:00:00Z The curved paths of charged particles in magnetic fields are the basis of a number of phenomena and can even be used analytically, such as in a mass spectrometer. College Physics for AP Courses 2015-08-12T00:00:00Z The occurrence and natural abundances of isotopes can be experimentally determined using an instrument called a mass spectrometer. Chemistry 2019-02-14T00:00:00Z The other is set to bring a mass spectrometer and a drill called PRIME-1 that will extract and sample lunar ice from the south pole region. A New Private Moon Race Kicks Off Soon 2022-08-02T04:00:00Z Patterson analyzed meteorite samples for uranium and lead using a mass spectrometer. An Introduction to Geology 2017-01-01T00:00:00Z She pulverized pieces of shell and analyzed the proteins she extracted in a mass spectrometer, an instrument that sorts molecules by firing them past a powerful magnet. Bits of an extinct bird’s eggshells may be clue to why megafauna vanished 2022-05-25T04:00:00Z Figure 22.49 This mass spectrometer uses a velocity selector to fix v so that the radius of the path is proportional to mass. College Physics for AP Courses 2015-08-12T00:00:00Z Her interest in a sophisticated version of an instrument vital to her work was once met with a dismissive comment by an engineer: “This is not a mass spectrometer for a housewife.” Marilyn Fogel, ‘isotope queen’ of science, dies at 69 2022-05-16T04:00:00Z Heather Leslie, a chemist and ecotoxicologist at the Free University of Amsterdam, studied samples from 22 volunteers with a mass spectrometer. News at a glance: Stan the T. Rex’s new home, China’s ethics reviews, and bleaching reefs 2022-03-30T04:00:00Z Graham points out that Dragonfly’s mass spectrometer, though it lacks some of the capabilities of lab spectrometers, will have the capacity to detect complex molecules. Life Is Complicated—Literally, Astrobiologists Say 2021-11-23T05:00:00Z Beyond mapping the sheer amount of water and its distribution—important for future use by astronauts—its mass spectrometer will be able to tease out the water’s origins by looking at hydrogen isotopes. NASA-funded startups will soon put a fleet of landers on the Moon 2021-09-08T04:00:00Z Sometimes a gas chromatograph or high-performance liquid chromatograph provides an initial separation of the large molecules, which are then input into the mass spectrometer. College Physics for AP Courses 2015-08-12T00:00:00Z One type of blood test uses an instrument called a mass spectrometer to measure the ratio of two types of beta amyloid in blood. Blood tests could help screen anticipated flood of patients seeking new Alzheimer‘s drug 2021-07-21T04:00:00Z So, he hired commercial remotely operated vehicle operators to help retrieve a seafloor instrument platform, which has a mass spectrometer and other sensors that measure methane flux. How COVID-19 has transformed scientific fieldwork 2021-07-20T04:00:00Z Korschinek and his team sliced their sample up into layers of different ages, chemically separated out the iron, and fired the atoms through their mass spectrometer. Exploding stars may have assaulted ancient Earth 2021-07-15T04:00:00Z He and the other researchers pinpointed small concentrations of radioactive thorium and uranium in metallic samples by using a mass spectrometer, which separates particles based on their mass. New Radioactivity Measurement Could Boost Precision of Dark Matter Experiments 2021-06-11T04:00:00Z A mass spectrometer is being used to separate common oxygen-16 from the much rarer oxygen-18, taken from a sample of old glacial ice. College Physics for AP Courses 2015-08-12T00:00:00Z They used an upgraded mass spectrometer at the Australian National University. Trace seabed plutonium points to stellar forges of heavy elements 2021-05-13T04:00:00Z They measured 67 drugs and drug metabolites by passing the mixtures through a high-performance mass spectrometer, which detected different molecules based on their charge and weight. Tooth tartar could uncover the drug habits of ancient people 2021-01-07T05:00:00Z The scientists then ran the blood samples through a mass spectrometer, a machine that counts and quantifies molecules. The ‘Omics’ of Exercise 2020-11-25T05:00:00Z Powerful instruments including an aerosol mass spectrometer were used to measure in real time the chemical, physical and optical properties of ambient aerosol and trace gas concentrations in four large plumes. Study points to smaller effects of wildfire smoke on warming 2020-07-14T04:00:00Z A mass spectrometer is a device that measures such masses. College Physics for AP Courses 2015-08-12T00:00:00Z We then ground up these infected cells and used a device called a mass spectrometer to see which proteins were phosphorylated in these infected cells. Coronavirus and cancer hijack the same parts in human cells to spread 2020-07-03T04:00:00Z But the method, using some samples as small as sand grains, requires a highly sensitive mass spectrometer not found in typical chemistry or archaeology laboratories. Tooth tartar could uncover the drug habits of ancient people 2021-01-07T05:00:00Z To determine the quality of air in the theater, he and his colleagues placed a mass spectrometer—a machine that measures chemicals—by one of the theater’s ventilation ducts. 'Thirdhand' smoke can expose moviegoers to the emissions of up to 10 cigarettes 2020-03-04T05:00:00Z But the night before the analysis was to take place, a software failure crashed the chemical analysis tool, called a mass spectrometer. Searching for a killer: Inside the CDC’s scramble to solve a mysterious vaping disease 2019-11-25T05:00:00Z Proteins are digested with enzymes known as proteases, and the digestions are put through a mass spectrometer. How Mass Spectrometry Can Help Limit Reproducibility Problems 2019-11-08T05:00:00Z One morning in Impossible’s lab, Brown showed me a gas chromatograph–mass spectrometer, which is used to identify the molecules that appear in meat as it’s cooked and to link those molecules to odors. Can a Burger Help Solve Climate Change? 2019-09-23T04:00:00Z That became a “great global rain hunt” for samples testable with a mass spectrometer. Making the planetary personal: the roots of climate science 2019-09-16T04:00:00Z There they will be tested using a gas chromatic mass spectrometer — a machine that more commonly looks at chemical weapons and stardust. Day-Glo masterpieces are fading. A conservator and her team are racing to save them 2019-09-05T04:00:00Z Then, with an extremely sensitive mass spectrometer, Mr. Koll and his collaborators identified the compounds within the detritus. A Supernova Was Hiding in Antarctica’s Snow 2019-08-19T04:00:00Z When the scientists examined the incinerated dust using an accelerator mass spectrometer, they detected the rare iron-60 isotope—a relic of an ancient supernova. Space Dust from Ancient Supernova Found Hiding in Antarctica 2019-08-14T04:00:00Z Instead, its two landing skids will each carry a rotary-percussive drill capable of taking samples and feeding them, through a pneumatic tube, to a mass spectrometer capable of analyzing their composition. NASA will fly a billion-dollar quadcopter to Titan, Saturn’s methane-rich moon 2019-06-27T04:00:00Z To prove the origin of the rosewood, Sri Lankan authorities sent samples to a laboratory in Oregon that was testing a new weapon in the fight against illegal logging — a US$200,000 mass spectrometer. Tree sleuths are using DNA tests and machine vision to crack timber crimes 2019-04-02T04:00:00Z The company sells sample preparation kits that pre-treat biological samples for easy analysis in a mass spectrometer. How Germany is winning at turning its research to commercial application 2019-03-26T04:00:00Z ZooMS breaks collagen, the most abundant protein in bone, into smaller peptides, and then uses a mass spectrometer to identify differences between animal species. Siberia’s ancient ghost clan starts to surrender its secrets 2019-02-26T05:00:00Z With a centrifuge, a mass spectrometer, and other instruments, the zoo scientists separate each milk sample into its component parts. Got gorilla milk? Inside America’s largest stockpile of exotic milks 2018-12-24T05:00:00Z Scientists then use a device called a mass spectrometer to identify the proteins. Molecular Microscope Lets Scientists Peer inside Single Cells 2018-12-01T05:00:00Z These skim molecules off the surface, ionize them and propel them towards the mass spectrometer, where they pass through electric and magnetic fields that separate the ions according to mass, creating a unique spectrum. Tree sleuths are using DNA tests and machine vision to crack timber crimes 2019-04-02T04:00:00Z Ultimately, Righetti and Zilberstein hope to commercialize their technology—including the complex analysis that it requires—and make it available to collections and to researchers who don’t have access to their own mass spectrometer. Do Proteins Hold the Key to the Past? 2018-11-19T05:00:00Z A laser melted tiny grains of hibonite crystals, and the mass spectrometer then analyzed its contents. Blue Meteorite Crystals Reveal the Sun's Wild Youth 2018-07-31T04:00:00Z For instance, he knew he wanted an expensive type of mass spectrometer for analysing trace metals, but he didn’t need it right away. How to start a lab when funds are tight 2018-07-08T04:00:00Z A mass spectrometer at UC San Diego’s Urey Hall will be used to spot and identify the material. Monitoring the air around July Fourth fireworks for signs of dangerous lead 2018-07-04T04:00:00Z The Curiosity rover, which touched down on Mars in August 2012, is equipped with a drilling mechanism that vaporizes surface samples, then uses a mass spectrometer to identify what molecules the drilling samples consist of. NASA: Mars is littered with organic molecules 2018-06-07T04:00:00Z Either because of the treatment of the papers in St. Petersburg or because of an error preparing the samples in Milan, the first attempt at analyzing proteins in the mass spectrometer had failed. Do Proteins Hold the Key to the Past? 2018-11-19T05:00:00Z The mass spectrometer was specifically designed to look for traces of noble gases, such as helium and neon. Blue Meteorite Crystals Reveal the Sun's Wild Youth 2018-07-31T04:00:00Z If the oven and mass spectrometer reveal signs of organics in the sample, the team is likely to use a cup. NASA rover hits organic pay dirt on Mars 2018-06-07T04:00:00Z State regulators wanted a mass spectrometer that can identify a wide array of compounds, but lawmakers instead voted to fund one that only can identify the chemicals it’s programmed to look for. North Carolina editorial roundup 2018-06-06T04:00:00Z Then the ordered solution goes through a mass spectrometer that has been calibrated to recognize each substance. Sewage Is Helping Cities Flush Out the Opioid Crisis 2018-05-25T04:00:00Z After running the samples through a mass spectrometer, Righetti and his team identified eight biomolecules from the Bible, which had been thought to be made from fetal lambskin. Do Proteins Hold the Key to the Past? 2018-11-19T05:00:00Z Updated Galileo probe mass spectrometer measurements of carbon, oxygen, nitrogen, and sulfur on Jupiter. An absolute sodium abundance for a cloud-free ‘hot Saturn’ exoplanet 2018-05-06T04:00:00Z To test their idea the researchers collected hop flowers from nine different regions, from New Zealand to Slovenia, and put them into a mass spectrometer. Nuclear physics and the fight against beer fraud 2018-03-08T05:00:00Z The different elements are sorted by their mass, and counted by a very fast mass spectrometer—the more counts, the more of the element is present. Is art-connoisseur yet another job threatened by technology? 2018-01-15T05:00:00Z The samples were put through a mass spectrometer, a device that isolates and weighs individual molecules. Scientists sniff out Parkinson's smell 2017-12-17T05:00:00Z That process makes it easier to identify chemicals, and the mass spectrometer then spits out the different measurements in a computer chart with peaks and valleys called a chromatogram. This library of street drugs predicts mass overdoses 2017-11-08T05:00:00Z A mass spectrometer aboard Cassini detected the strange chemistry as the probe spent its final five months looping between Saturn and its rings. Mysterious particles spotted in Saturn’s atmosphere 2017-10-17T04:00:00Z He searches for organics in dinosaur fossils by using heat to break down molecules into volatile components and running them through a mass spectrometer. ‘I don’t care what they say about me’: Paleontologist stares down critics in her hunt for dinosaur proteins 2017-09-13T04:00:00Z An illustration of the pen and the instrument, called a mass spectrometer, that analyzes the tissue. This cancer-detecting pen could one day help surgeons better remove tumors 2017-09-07T04:00:00Z While the pen itself is cheap, the mass spectrometer is expensive and bulky. 'Pen' identifies cancer in 10 seconds - BBC News 2017-09-06T04:00:00Z That machine is called a liquid chromatography mass spectrometer, and very crudely put, it separates out all the different parts of the plasma by mass. This library of street drugs predicts mass overdoses 2017-11-08T05:00:00Z When these particles spiralled off the rings and slammed into Cassini’s mass spectrometer, they shattered into smaller pieces. Mysterious particles spotted in Saturn’s atmosphere 2017-10-17T04:00:00Z While the pen-sized device that the surgeon would use is small, the device is connected to a large mass spectrometer, which helps the process of analyzing individual molecules . This Pen Can Diagnose Cancer in 10 Seconds 2017-09-06T04:00:00Z The mass spectrometer parameters were as described previously38 and modified as described in ref. LACTB is a tumour suppressor that modulates lipid metabolism and cell state : Nature : Nature Research 2017-03-21T04:00:00Z Schroeter even went so far as to break down the mass spectrometer piece by piece, sterilize the whole thing in methanol to remove any possible contaminants, and reassemble the machine. Scientists retrieve 80-million-year-old dinosaur protein in ‘milestone’ paper 2017-01-31T05:00:00Z Dye dropped the sample into a mass spectrometer. Inside the DEA: A chemist’s quest to identify mystery drugs 2016-12-21T05:00:00Z Its chemistry lab is a descendent of the Ptolemy mass spectrometer flown on Philae. Europe backs lunar drilling technology - BBC News 2016-07-14T04:00:00Z A notice on the agency's website said the manipulation was done in part to correct calibration failures in the instrument being used, a mass spectrometer. No criminal investigation planned into faked lab results 2016-07-05T04:00:00Z After pinpointing the location of these regions with microscopes, the researchers were able to vaporize them and analyse their composition with a mass spectrometer. Volcanic rock hints at source of Earth’s water 2015-11-11T05:00:00Z A machine called a mass spectrometer measured levels of scent molecules as far as 4.5 meters away from the flowers. Flowers don’t smell so sweet, thanks to ozone pollution 2015-09-14T04:00:00Z On July 26, Dye ran the reference standard they’d purchased through the mass spectrometer. Inside the DEA: A chemist’s quest to identify mystery drugs 2016-12-21T05:00:00Z It won’t have, for instance, a mass spectrometer analysis instrument of the type that has at times bogged down Curiosity. Mars scientists tap ancient river deltas and hot springs as promising targets for 2020 rover 2015-08-06T04:00:00Z Two mass spectrometer experiments designed to ingest and analyze samples never received material drilled from the subsurface, as planned. Philae’s scientific harvest may be its last 2015-07-30T04:00:00Z The mass spectrometer then works out how many carbons there are in the molecule, how many hydrogens, how many oxygens; and starts to build up the complete structure. How easy is it to be a drugs cheat in sport? - BBC News 2015-07-07T04:00:00Z Not as simple and self-evident as a chair, perhaps, but a lot less complex than a Wankel rotary engine or a gas chromatograph mass spectrometer. Doesn’t anyone around here know how to use a set of double doors? 2015-06-22T04:00:00Z “The first thing I got for my fusion project was a mass spectrometer from an ex-astronaut in Houston, Texas,” he explains. 'If I burn out, I burn out': meet Taylor Wilson, nuclear boy genius 2015-06-20T04:00:00Z The experiment involved the careful, machine-controlled, step-by-step crushing of small samples of meteorites, with any gaseous products passed into a mass spectrometer at each step. There's Methane In Them Thar Martian Rocks! 2015-06-17T04:00:00Z The U.K. team tested more fossils and ran microscopic samples from what appear to be collagen fibers through a mass spectrometer to get the weight of the component molecules. Signs of ancient cells and proteins found in dinosaur fossils 2015-06-09T04:00:00Z This awesome toy is a thermal ionization mass spectrometer! Astronomer calls scientists ‘boys with toys,’ #girlswithtoys proves him wrong 2015-05-17T04:00:00Z A sample of the fingerprint is then analysed by a mass spectrometer, which detects chemicals based on their atomic size. Fingerprints 'can reveal drug use' - BBC News 2015-05-15T04:00:00Z In January, ExoCube launched with a mass spectrometer, the first ever on a CubeSat, designed to measure the composition of the exosphere and ionosphere. Feature: CubeSats are swarming—and transforming space science 2015-04-09T04:00:00Z The researchers recovered proteins thought to be collagen, and then one by one ran them through a mass spectrometer. Puzzle of Darwin’s 'strangest animals' finally solved 2015-03-18T04:00:00Z They obtained small tooth enamel samples using a diamond-tipped drill and analyzed them with an instrument called a mass spectrometer. Ancient teeth reveal early human entry into rainforests 2015-03-12T04:00:00Z A bulge emerges on the far side of the balloon, and several engineers scurry over with a mass spectrometer, searching for tiny ruptures in the fabric, invisible to the naked eye, that might be leaking. Inside Project Loon: Google's internet in the sky is almost open for business 2015-03-02T05:00:00Z They took sludge samples gathered from around the country and measured the metal content using a mass spectrometer that can discern different elements as they are ionized in a superhot plasma. Sewage sludge could contain millions of dollars worth of gold 2015-01-16T05:00:00Z Once a sample is diluted, the liquid is pumped into a device called a mass spectrometer that is about the size of an office copier. A Lab Is Trying to Keep China From Dodging U.S. Tariffs on Honey 2015-01-19T05:00:00Z The work involves high-precision chemical analysis with international security at stake, involving tiny samples that must be refined and examined in a mass spectrometer. Nuclear forensic experts prepare for the worst and hope to deter it 2015-01-07T05:00:00Z Specimens are shipped off to a mass spectrometer at Purdue University, which determines the molecular makeup of the desired pheromones, and then the staff chemist works to re-create them. Westfield firm uses science in global bug battle 2014-10-11T04:00:00Z He and two chemists teamed up to study tiny quantities of drug metabolites in sewage, measuring parts per billion with a state-of-the-art mass spectrometer. US city considers testing sewage to gather data on residents' marijuana use 2014-09-26T04:00:00Z Asked to list the essential tools of a scientist’s trade, most would probably think first of hardware: the microscope, the telescope, the mass spectrometer, the genome sequencer, the test-tube. The digital toolbox 2014-09-02T04:00:00Z Chemist Jennie Mayer of Bellevue College in Washington wanted to learn how to maintain a new mass spectrometer and nuclear magnetic resonance spectrometer purchased by her institute. Continuing education: Study broad and deep 2014-05-07T17:20:35.619Z These fragments were then analyzed using a mass spectrometer, which identifies the peptides, and therefore the proteins, present. Sugary drinks might cause brain changes linked to cancer, Alzheimer’s — at least in rats 2013-11-18T21:29:40Z A bottom-pressure tiltmeter will measure gradual changes that could indicate that the volcano is inflating, and a cutting-edge mass spectrometer will sniff the water for hints of magma rising from below. Marine science: Oceanography's billion-dollar baby 2013-09-25T17:20:28.247Z He then ran the extracts through a gas chromatograph and a mass spectrometer, to see what was in them. Kopi Luwak: Brown-gold blend 2013-08-29T15:01:23Z Experts say two large, complex instruments lie at the heart of advanced chemical detection: the gas chromatograph and the mass spectrometer. Chemical Attack Evidence Lasts Years, Experts Say 2013-08-27T20:35:10Z The rover had taken in fine soil particles, heated them, and passed the gases that the heating drove off through its mass spectrometer, which can separate and identify the gases by molecular weight. The First Signs of Ancient Life on Mars? 2012-12-03T22:42:48Z These are dried and their abundance measured in a mass spectrometer. Planetary science: The time machine 2012-07-25T17:20:40.527Z The TiME probe would spend three months bobbing around Ligeia Mare, a sea near Titan's north polar region, measuring its chemistry with a mass spectrometer. Tropical Lakes on Saturn Moon Could Expand Options for Life 2012-06-14T18:45:00.227Z The Mars Science Laboratory, scheduled to land on the red planet in August, will include a simple mass spectrometer and a laser spectrometer, enabling it to detect methane, and could reveal preliminary signs of life. Life-changing experiments: The biological Higgs 2012-03-28T17:20:33.930Z Reaves used a caesium chloride gradient to separate the cells' DNA into fractions of varying densities, then used a mass spectrometer to identify the elements present in each fraction of DNA. Study Fails to Confirm Existence of Arsenic-Based Life 2012-01-23T15:45:00.257Z To ensure that they found molecule they were looking for, the scientists measured the product's mass using a mass spectrometer. Scientists Probe Mystery Molecule that Reduces Greenhouse Gases 2012-01-16T16:15:01.960Z Zigzagging across his laboratory is a web of laser beams that feed into a mass spectrometer — all part of a geochronometer that Anderson is building. Planetary science: The time machine 2012-07-25T17:20:40.527Z It all began on a tour she was taking of the university in Biberach, when Lämmle noticed that the mass spectrometer on hand was silent. Germany's Youngest College Lecturer Is Just 16 Years Old 2012-01-15T05:20:00Z After verifying the inclusions with a scanning electron microscope, researchers have to slice into the diamonds with a laser and extract the tiny particles for analysis via mass spectrometer. Flawed Diamonds Deliver Precious Details about Early Earth's Tectonics 2011-07-25T10:15:00.227Z Helmann says that he is in the process of installing a highly sensitive mass spectrometer that can measure trace quantities of elements, which could help refute or corroborate the findings. Will you take the 'arsenic-life' test? 2011-06-01T17:20:28.613Z After returning to Denmark, he began using a machine called a mass spectrometer to weigh and identify oxygen molecules based on their number of neutrons. Willi Dansgaard Dies at 88; Read Climates in Old Ice 2011-01-29T01:35:05Z A third shot rips those electrons away, turning the atoms into ions that are then whisked into the mass spectrometer. Planetary science: The time machine 2012-07-25T17:20:40.527Z Using a gas chromatograph mass spectrometer to separate and analyze the gas mass in the rumen, they confirmed the lab results and determined that oregano suppresses methane production by 40 percent. SCIENCE NEWS 2010-09-21T04:00:00Z The Woods Hole team used an autonomous robot submarine and a mass spectrometer to detect the plume, but were forced to leave the area in late June, when Hurricane Alex threatened. Microbes ate BP oil deep-water plume: study 2010-08-24T21:25:00Z The mass spectrometer detected chemicals found in hydrocarbons, like benzene and toluene — the signature of an oil spill. Oil in the Gulf: There's More Than We Thought 2010-08-19T22:40:00Z In some cases a mass spectrometer is used to analyze the products. LRL Accelerators The 184-Inch Synchrocyclotron |
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