How to use argon in a sentence

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Sentence Examples There is surprisingly little oxidation of the image, and the institute will be keeping it in a box filled with inert argon gas. The filtered solution was deaerated with dry argon for 10 min and the mold was sealed. However, some of the age variation may record a real uneven distribution of radiogenic argon. It combines easily and even explosively with every other element except helium, neon, and argon. Potassic minerals were degassed with an argon laser probe using step heating or direct ablation of grains on thin rock sections. Ramsay realized that argon and helium might be members of a hitherto unsuspected new group in the Periodic Table. As the potassium decays into another element, argon, over incredibly long timespans, dates could be established. The solvents were evaporated under reduced argon atmosphere, until a thin film formed. In the second experiment, the team sent the benzene beam through a velocity selector and into a chamber of neon or argon gas. This makes carbon dioxide the fourth most abundant gas in the atmosphere after nitrogen, oxygen, and argon. Port-wine stains and other vascular lesions are commonly treated by argon, copper vapor or pulsed dye laser. Argon dating requires all sorts of assumptions about starting amounts of argon, rates of change and limits on outside factors. Initially, I guessed and told her they might package the salad in an inert or nonoxygen atmosphere of nitrogen or maybe argon. Additions of oxygen, carbon dioxide, or nitrogen to argon gas will usually cause porosity or erosion of the electrode. Could the magmatic conditions at depth allow argon to be occluded within the minerals at the time of their formation? The possibility of argon loss from the samples was addressed by the use of multiple preheats. The solvent was evaporated to dryness by vortexing the mixture under a stream of argon. It is composed mostly of isotopes of hydrogen and helium and includes 60 other elements including neon, argon carbon, nitrogen, oxygen and iron. The ultraviolet beam of an argon laser operating at 364 and 351 nm is used to photolyze caged-nucleotide. Along with helium, neon, argon, krypton, and xenon, it is classed as an inert gas within group 0 of the periodic table. Show More Sentences The noble gases helium, neon, argon, krypton, and xenon display fairly simple chemistry in material of solar composition. A comparison of the ionization potentials of neon and argon will illustrate these principles. In all cases, spheroids were irradiated with 635 nm light from an argon ion-pumped dye. Decay of the semiquinone radical under argon occurs by second-order kinetics with a first half-life in the 0.1-2 ms range under our conditions. Appropriate aliquots of lipid stock solutions were placed in a vial and excess solvent removed under an argon stream. Due to the glancing incidence of the ion beam, argon is not implanted into the sample surface. Lipid aliquots were transferred to vials where the bulk of the chloroform was removed with a stream of argon. Samples containing DHA were prepared under dark conditions in a glovebox with an argon atmosphere to control for oxidation. Membrane dispersions were saturated with either oxygen, air, or argon, as noted. By surrounding hot metals with inert argon, the metals are protected from potential oxidation by oxygen in the air. Consider windows that fill that space with gases like argon, krypton, or a mix of the two. However, some windows use argon or krypton in this space to improve thermal performance. It is the sixth most abundant gas in the atmosphere after nitrogen, oxygen, argon, carbon dioxide, and neon. Existing damaged windows were replaced by new windows with argon filled low energy glazing to improve energy efficiency. Gas lasers use gases such as argon, carbon dioxide, neon, and nitrogen. The aliquots of lipids were placed into borosilicate glass tubes, dried with an argon stream, and kept under vacuum for at least 2 h to remove the remains of chloroform. Endoscopic coagulation with heater probe, gold probe or argon plasma coagulator obliterates the vascular ectasias and reduces the degree of blood loss. There is some debate as to whether an argon suit inflation system keeps you warm, or merely acts as a placebo i.e. making you believe that you're warmer! The argon gas heats up, causing the bimetallic strip to bend towards the other contact of the starter until the two contacts close. Inside the starter switch canister, there is a bimetallic strip, which is contained within a small glass envelope containing argon gas. Show More Sentences The powders are produced by spraying a liquid alloy either by an argon gas jet or by centrifugation. The reactor contains argon gas, which helps keep the sodium from burning but is a dangerous asphyxiant in confined spaces. One possibility is that that the accepted amount concentration of argon in the atmosphere might be in error. They are made from fragile glass tubes filled with argon and mercury, which slowly leak out their gases. The interior of the bulb is filled with a gas, such as argon or nitrogen. The argon laser emits high intensity beams and causes small burns in the trabecular meshwork which creates more openings in the trabeculum. Powdered metal is fluidized by argon in a pressure vessel and injected by a refractory-lined lance deep into the liquid steel. However, this may be offset by more energy-efficient appliances, or triple-paned windows filled with argon gas for improved insulation. For easier handling the dioptre compensation was equipped with a resolution while the argon filling makes the internal optics fog proof. The tundish itself is covered with a lid and is often also topped with argon. As well as producing oxygen the unit will also supply minor quantities of argon and other noble gases. Ladles are often built with one or more permeable refractory bottom blocks and argon hookups for gas stirring. Since argon is chemically inert, there is no tissue carbonization. The thermal performance of a window is improved by replacing the air with an inert gas such as argon or krypton. The space between the glass panes is filled with an inert gas, sometimes krypton, but more often argon, because it is less costly. Passive houses use triple-glazed windows, which have special coatings and are filled with gases such as argon or krypton. Of the eight demonstration projects considered, six used triple-glazed windows with argon or krypton fill and one to two low emissivity coatings. In 1894, Sir William Ramsay, a Scottish chemist, collaborated with Rayleigh in isolating this gas, which proved to be a new element argon. You could well require a liquid argon source if you are working in the double glazing industry. In this example, the argon atoms get polarized and are attracted when close from the water molecule dipole. Show More Sentences A lever on the top opens a valve that shoots inert argon gas into the bottle at high pressure, filling the space vacated by the liquid. But the LBNF's 34,000-tonne tank of argon will contain an awful lot of carefully watched protons. A new argon filled low energy window is mounted into the old window opening. The CCQM may assist in this work as part of a pilot study that is measuring the amount of carbon dioxide mixed with nitrogen and argon. There are several alternative substances available in the form of natural gases, such as nitrous argon and inergen. Sometimes a mixture of krypton and argon are used instead of the mercury. The space between the two containers is evacuated and filled with argon gas. Fresh volcanic rock is routinely found to have argon in it when it first cools. The arc is protected by an inert gas such as helium, argon, or a mixture of both. We have the necessary argon Tig welding and heat treatment equipment to carry out this work. Once the melt has crystallized, radiogenic argon accumulation recommences. All are present in the gas as the monatomic elements and argon, krypton, and xenon undergo condensation to either ices or clathrate hydrates at sufficiently low temperatures. Data for monatomic gases like argon and helium give exact agreement, and many diatomic gases show experimental results in close accord with the theory. From 13.8 K to 273 K. This includes calibration at the triple point and two vapour pressure points of equilibrium hydrogen, and at the triple points of neon, oxygen, argon, mercury, and water. All solutions are deaerated by a dry argon stream and maintained at a small overpressure during fabrication. The solution was agitated and deaerated by bubbling argon through it for 30 minutes at room temperature. It produces urea, ammonia, sodium carbonate and bicarbonate, nitric acid, argon, agricultural ammonium nitrate and methanol. In 1913 filaments were coiled, and bulbs were filled with inert gas at first nitrogen alone and later nitrogen and argon in proportions varied to suit the wattage. One technique, potassium-argon dating, determines the age of a rock sample by measuring how much argon gas it contains. In answer to a question from Dr Kaarls, Dr Davis confirmed that submission of the proposed article to Metrologia was still waiting for publication of the LNE result on the mole fraction of argon in air. Show More Sentences An Air Liquide application specialist evaluated the induction furnace and determined the optimum cryogenic liquid argon flow rate. After the solvent and product are separated, the solvent is switched back on simply by exposing it to nitrogen, argon or even plain air, making it ready to be used again in the next batch. The window energy efficiency has been improved by filling in the space between the three panes with argon, an inert heavy gas that does not conduct or exchange heat, thus reducing heat loss. The residue obtained after solvent removal was washed under argon with several portions of diethyl ether until the filtrate was colourless. As these particles, hydrodynamically focussed in a sheath flow, pass an argon laser beam, laser light is scattered and the particles emit fluorescence light. Polgaz Gliwice fills cylinders with oxygen, freon, argon, carbon dioxide and gas mixtures. A cryostat suitable for calibrating capsule platinum resistance thermometers at the triple points of hydrogen, neon, oxygen, and argon in the range 13.8 K to 84 K has been constructed and tested. Similarly, after the discovery of helium and argon, the periodic law permitted the prediction of the existence of neon, krypton, xenon, and radon. Injecting argon into one of the snorkels then circulates the steel through the vessel, continuously exposing a portion of the steel to the vacuum. Fluorescent lamps consist of a glass tube that contains mercury vapour or argon under low pressure. Mercury-free flat panel lamps without lead are not available yet and no feasible substitutes for lead oxide are available for argon and krypton laser tubes. Insulating glasses: Find out about glass with argon and krypton fill. Filling a bulb with an inert gas such as argon or nitrogen retards the evaporation of the tungsten filament compared to operating it in a vacuum. Gas fill: The inside of the IG unit is filled with an odourless, colourless, harmless inert gas, such as argon or krypton, to reduce heat transfer through the glass. The coating, which is usually applied by sputtering with an argon plasma, has a triple role in this application. In moist air or moist argon, the metal oxidizes rapidly, producing a mixture of oxides and hydrides. Rather than use metal as an armature, the firm strips ions from a few milligrams of argon gas and uses the resulting conductive plasma to transfer electrical energy from one rail to another. Opening chapters review safety measures, anesthesia, laser technology, endoscopy, the harmonic scalpel, and the argon beam coagulator. These are cabinets which hold anywhere between four and 120 bottles that, once opened, are topped up with inert gases like nitrogen or argon to keep the oxygen out. The carrier gas may be nitrogen, argon, or other gas. Show More Sentences The argon gas in the glove box is continuously recycled through a titanium getter bed, which removes oxygen, nitrogen, water vapour, hydrogen and tritium. However, if radioactive decay has been happening for Billions of years then there is insufficient argon diffusion, insufficient lead diffusion, insufficient helium in the air, and too much Helium in Rocks. A slowly leaking cylinder of inert argon can deplete the oxygen in a room or work enclosure to the extent that people entering it will be asphyxiated without warning. We report on new level-resolved calculations for the dielectronic recombination and collisional excitation of the low charge states of argon. While sealed enclosures filled with nonreactive gas such as argon can forestall some of these damaging reactions, any preservation has to balance access against longevity. The tempered glass which encloses the altar is composed of two layers, each of 12mm, separated by an cavity filled argon gas and provided with an ionic layer of a noble metal to filter the light rays. The argon arc no longer operates and as the source of the heat is removed the bimetallic strip cools and begins to straighten until the contacts open again. When the current is first switched on, the bimetallic strip is straight, and its contact open, so the current going through the starter switch goes though the argon gas in the form of an arc. However, semiconductor chip designers rely on the combination between argon and fluorine in an excimer laser to define the smallest feature sizes on the latest generation of microprocessor chips. The endometriosis lesions were either removed surgically or cauterised using the argon beam coagulator. In order to simplify the formula, scientists generally assume that igneous rock contains no argon when it forms, because the argon, being a noble gas, would escape from the cooling lava. Potassium argon is the commonest chronometer used. The challenge will be discerning the light emitted by WIMPs from that emitted by neutrons, since they emit the same light as they hurtle into argon. An argon atmosphere fills the case to give an anoxic environment. A mixture of inert gas, such as argon or krypton, and a reactive gas, such as methane, ethane, or ethyne with a hydrogen-nitrogen mixture, is used in the sputtering process. General service incandescent light bulbs over about 25 watts in rating are now filled with a mixture of mostly argon and some nitrogen, or sometimes krypton. Gases used include, neon, argon, xenon, sodium, metal halide, and mercury. The GAVE was treated with an argon plasma coagulator by gastroscopy. Argon is denser than air, and certainly helium, which means that it has more molecules to retain heat. Argon is also an ideal carrier gas, a propellant with no propensity to react. Show More Sentences Argon was extracted in a molybdenum crucible by melting through induction heating with a metal line. And what you pick up in the atmosphere is minute traces of radioactive isotopes, particularly the noble gases, Argon, Xenon, Krypton, et cetera. Argon plasma coagulation is a mode of noncontact electrocoagulation that has been increasingly used as an alternative to contact electrocautery and noncontact laser therapy. Argon is a poorer conductor of heat than air, and so using it to maintain the pressure between the panes results in less heat loss than air-filled double glazing. Topical haemostatic agents can help with ooze, and the Argon beam coagulator helps with haemostasis over a large cut section, but the Argon is a 'luxury' in my opinion. A clinical Argon laser was used to deliver treatment burns over 180 degrees of the mid-trabecular meshwork in each session using a single mirror gonioprism. Examples from Classical Literature What property of magnesium was taken advantage of in the isolation of argon? I kept in the shadows of the shabby buildings of argon City, and I found the window without effort. Briefly Arcot and Wade discussed the unusual atmosphere, finally deciding that the inert gas was argon. Joining forces with Ramsay, the observed discrepancies were hunted down, and in 1894 the discovery of argon was announced. Nor does it appear that any well-defined compound of argon has yet been prepared. Some may already know that there is at least a third thing, argon. Another method of preparing argon is by fractionation of liquid air. The investigation of argon led to the discovery of some of the others. Of these, argon and its allies were the last to be definitely isolated. Tonight you looked very suspicious when you left argon City. The atmosphere of the earth, we now know, contains far more oxygen or far less argon than does Mars. Microbial testing has found that argon packaging improves the shelf life of foods including salads, processed meats, and wines. In dynamic degassing systems, argon, nitrogen or chlorine gas is injected into the molten metal through a rotating graphite shaft and impeller. The partners measured and developed an equation of state for the thermodynamic properties of natural air, along with mixtures of nitrogen, argon and oxygen. Also, the use of low-E argon, an inert, clear, odourless gas that has greater density than the atmosphere, adds an invisible layer of insulation between two glass panes. The market report defines and segments the Argon Gas Market with analysis and forecasting of global revenue. Within the airdrome which covers Argon City the buildings are loosely constructed, even as they are on Earth. Parasitismo de pupas de Argon lota Hewitson por Brachymeria pandora no Rio Grande do Sul. Find more words! 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Words that rhyme with argon What is the plural of argon? Use our Sentence Generator Nearby Words Argolis argol Argo Argives Argive arginine argonaut Argonaut argonauts Argos argosies argosy 5-letter Words Starting With a ar arg argo