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This Review contains major "Inert"- related terms, short phrases and links grouped together in the form of Encyclopedia article.
- Chemically inert, the element has nine isotopes and is abundant in many nuclear processes.
- In physics and chemistry, the inert pair effect occurs when electrons are pulled closer to the nucleus, making them stabler and more difficult to ionise.
- The inert pair effect is apparent when observing the trend in favoured oxidation states down groups III to VI of the periodic table.
- Nitrogen Nitrogen (N 2) is an inert gas that causes nitrogen narcosis in the diver, so its use is limited to shallower dives.
- Helium -this is an inert gas present in air in very small quantity (0.0005%) and is used to prevent nitrogen narcosis.
- This offsets the physiological limits imposed from inert gas uptake under pressure, such as decompression obligations and nitrogen narcosis.
- Narcosis is not unique to nitrogen; however, it can occur with many of the so-called “noble” or inert gases, with the exception of helium.
- Tungsten is relatively inert, but compounds (in which it has various valence s) are known.
- While still relatively inert, the bicyclo[2.2.2]octane compound is roughly a million times more reactive than its bicyclo[2.2.1]heptane analog, shown above.
- By using inert solvents such as hexane, benzene and methylene chloride, these competing solvent additions are avoided.
- Dilute solutions of isocyanic acid are stable in inert solvents, e.g.
- The canals are finally filled or sealed with an inert material called gutta-percha.
- Once each canal is prepared, it is filled with an inert material called gutta percha.
- Process of removing pulp of a tooth and filling it with an inert material.
- The absorption of nitrogen and the rate of blood supply then determine the amount of partial pressure of inert gas the compartment can tolerate.
- Below this partial pressure of oxygen and one or more inert gases.
- Workman's M-values are based on the partial pressure of the inert gas in question, not on the total pressure of the breathing gas.
- Also, as desired for temperature control of the system, any gas inert to the catalyst composition and reactants can also be present in the gas stream.
- They are all relatively inert, corrosion -resistant metals which have been used for minting coins, hence their name.
- June Russell's Health Facts: The Placebo Effect "Placebos are not always inert; they can have actual ingredients.
- Placebos exert an " expectancy " effect whereby an inert substance which is believed to be a drug has effects similar to the actual drug.
- A placebo is a medication or treatment believed by the administrator of the treatment to be inert or innocuous.
- A placebo is any medical treatment that is inert, such as a sugar pill.
- Group B received a placebo (an inert sugar pill).
- If using trimethylsulphonium chloride, the liberated chlorine can be removed using a sodium hydroxide scrubber, suitably with an inert gas flow.
- C. for about 1 to 24 hours in an inert solvent, such as ethanol, ethyl acetate and the like.
- Effects of ethanol and amphetamine on inert gas narcosis in humans.
- An especially suitable inert solvent is, for example, toluene and, in the solvolysis of esterified carboxy groups, also ethanol.
- A suitable inert solvent is, for example, an alcohol, for example methanol or ethanol, or an ether, for example tetrahydrofuran or t-butyl methyl ether.
- When syngas is reacted to produce ammonia or methanol, inert gases have to be purged from the synthesis loop.
- Sulfur hexafluoride is an extremely inert and nontoxic gas, very useful as an insulator in high-voltage electrical equipment.
- Also, because it is more dense than the other inert substance in the combustion chamber, nitrogen, it has a higher specific heat and more heat capacitance.
- This exhaust gas is inert in the combustion chamber.
- However niobium metal, without compounds, is physiologically inert (and thus hypoallergenic) and harmless.
- In respects other than inhalation, pure silicon dioxide is inert and harmless.
- Barium by itself is an inert substance and completely harmless.
- When breathing Heliox, the diver's body still takes on the inert gas (gas loading) into his or her blood, but this time it's helium.
- Both the active and inert ingredients in pesticides can be organic compounds; therefore, both could add to the levels of airborne organics inside homes.
- Neon has a full shell of eight electrons in the outside shell, the L shell, meaning the neon is an inert element, the end of the period.
- The inert gases or noble gases all have a complete outside shell of electrons.
- The first Bohr orbit is filled when it has two electrons, and this explains why helium is inert.
- The accompanying CD-ROMs cover silicate mineral structures, the inert pair effect and a database of chemical reactions of the p Block elements.
- Venous Gas Emboli - Inert gas bubbles in venous blood (which return to the heart and lungs).
- To achieve an exact simulation, a reduced emission of inert gases by means of microbubbles in the lungs have to be taken into consideration.
- Breathing loop shall be flushed with fresh oxygen prior to ascending to avoid hypoxia due to inert gas in the loop.
- Similarly, progressive increases in oxygen partial pressures aid washout of all inert gases, while also addressing concerns of hypoxia.
- Gas chromatography (GC) is a method used to identify what a compound is and how far each part of it moves through an inert gas, or noble gas.
- Alternatively, the substituted or unsubstituted benzoic acid compound may be dissolved in an inert solvent such as water or a liquid carboxylic acid.
- Standard Protection Procedure The compound is dissolved in dry MeOH and thionyl chloride (2 eq) is added drop wise at 0° under an inert atmosphere.
- The polymerization is preferably carried out in the absence of oxygen, in particular in an inert gas atmosphere, e.g.
- The inert nature of the ethers relative to the alcohols is undoubtedly due to the absence of the reactive O–H bond.
- The process is preferably performed in the absence of the inert liquid.
- The reaction can also be done in the presence of inert gases which are stable under the reaction conditions such as nitrogen and argon.
- FIG. 2 is a graphical representation of a sorption isotherm of a coal sample in the presence of an inert gas.
- Crop purity: Crop purity refers to the presence of contaminants including weed seed, other crop seed, and inert matter.
- When the diver reaches the surface the tissues are still partly saturated with the breathed inert gases.
- A solution of n-BuLi in THF is added to a solution of diisopropyl amine in the same solvent under an inert atmosphere at -78 o C.
- Similarly, nitrogen is an inert gas normally stored throughout the human body, such as tissues and fluids, in physical solution.
- While our bodies burn oxygen, as an inert gas the nitrogen stays in solution in our bodies until the pressure is relieved, which occurs as a diver surfaces.
- We here report that the mutant protein DnaA R334A is inert to hydrolysis of bound ATP, although its affinities for ATP and ADP remain unaffected.
- The hydrolysis in Step A4 may be carried out by reacting the compound of formula (VI) with a base in an inert solvent.
- Removal The ester is dissolved in phenol and TFA (1-2 eq) is added under an inert atmosphere at 45°.
- Neon Neon (Ne) is an inert gas sometimes used in deep commercial diving but is very expensive.
- These different gas mixtures may be used to extend bottom time, reduce inert gas narcotic effects, and reduce decompression times.
- Alternatively, a chemically inert reaction mass can be heated using a high-energy power source via a heat exchanger, and then no combustion chamber is used.
- The above reactions can be carried out in the presence or absence of solvents or diluents which are inert to the reactants.
- In certain embodiments it is preferable to perform the reactions under an inert atmosphere of a gas such as nitrogen or argon.
- Preferably, the reactions are carried out under inert nitrogen atmosphere and anhydrous reactors and solvents.
- For divers, the window is an important factor in staging because it impacts both inert and metabolic gas uptake and elimination.
- Increased pressures help to constrict bubbles, while breathing pure oxygen maximizes inert gas washout (elimination).
- The concentration of inert gases, such as nitrogen and helium, are planned and checked to avoid nitrogen narcosis and decompression sickness.
- A huge number of factors affect inert gas absorption, elimination and our susceptibility to decompression sickness.
- Decompression sickness [DCS] due to the evolution of inert gas bubbles, in vivo.
- Inversely, inert gases must be exhausted from the system during ascent to prevent the over-expansion of the counter lung.
- The DHTO, which is normally insoluble in the inert organic reaction vehicle employed, may be suspended in the vehicle.
- In other reactions, which typically involve the breaking of the carbon-oxygen bond, ethers are relatively inert.
- Suitable solvents are inert organic solvents, preferably aproticapolar or aprotic polar solvents such as ethers (e.g.
- Suitable solvents for the reaction include inert solvents such as ethers (e.g.
- The noble gases, also known as rare or inert gases, form Group 18 of the Periodic Table, embedded between the alkali metals and the halogens.
- It is the least reactive member of group 18 (the noble gases) of the periodic table and therefore virtually inert.
- It is essentially inert and occupies the last place in the zero group of gases in the Periodic Table.
- In a typical preparation, benzene compounds represented by formula I and catalyst are placed in the reactor under inert atmosphere.
- The preferred solid refractory oxides are those commonly referred to as inert and which have heretofore been proposed for use as catalyst supports.
- The catalyst is contacted with the reducing gas, which may be mixed with an inert carrier gas, such as nitrogen at an initial starting temperature.
- Saturated ketones are generally inert to oxidation conditions that convert aldehydes to carboxylic acids.
- Chemically, ethers are inert except for the oxidation reaction.
- Inert gas - A gas that will not support most chemical reactions, particularly oxidation.
- If X is alkoxy, the reaction is preferably begun under an inert atmosphere at room temperature, which may be maintained for the duration of the reaction.
- Removal The ester is dissolved in DCM and magnesium bromide etherate (excess) is added at room temperature under an inert atmosphere.
- Argon is inert under most conditions and forms no confirmed stable compounds at room temperature.
- Benzene, acetone and other compounds which do not oxidize or oxidize only weakly under the conditions described above may be used as inert solvents.
- The other chamber contains an inert gas under pressure (typically nitrogen) that provides the compressive force on the hydraulic fluid.
- During the process, inert gases can also be fed to the chamber in conjunction with the precursor fluid.
- However, it is more preferred to conduct drying in an inert gas atmosphere or in vacuum from the standpoint of preventing the iron sulfide from oxidizing.
- DO NOT store potassium, rubidium or cesium for longer than a year unless stored in an inert (argon) atmosphere or in a vacuum.
- The vaccine is packaged in freeze-dried form with inert gas in place of vacuum.
- Nature > Matter > Atoms > Nitrogen
- Physics > Thermodynamics > Gases > Helium
- Nature > Matter > Atoms > Oxygen
- Encyclopedia of Keywords > Places > Earth > Atmosphere
* Arc Welding
* Biocompatible Material
* Body Tissues
* Carbon Dioxide
* Chemically Inert
* Form Compounds
* Inert Atmosphere
* Inert Gases
* Inert Organic Solvent
* Inert Solvent
* Noble Gases
* Organic Solvent
* Oxygen Window
* Solvent Inert
* Water Vapor
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