Definition, Betydning & Synonymer | engelsk word REFRACTORY

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Definitioner af REFRACTORY

1. Obstinate and unruly; strongly opposed to something.
2. Not affected by great heat.
3. A material or piece of material, such as a brick, that has a very high melting point.
4. (biology) Incapable of registering a reaction or stimulus.
5. A plant or factory that produces such material.
6. (medicine) Resistant to treatment; not responding adequately to therapy.

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Eksempler på brug af REFRACTORY i en sætning

• Boron nitride is a thermally and chemically resistant refractory compound of boron and nitrogen with the chemical formula BN.
• The first, is the use of microorganisms to oxidize refractory minerals to release valuable metals such and gold and silver.
• The definition of pottery, used by the ASTM International, is "all fired ceramic wares that contain clay when formed, except technical, structural, and refractory products".
• Electroconvulsive therapy (ECT) or electroshock therapy (EST) is a psychiatric treatment during which a generalized seizure (without muscular convulsions) is electrically induced to manage refractory mental disorders.
• It was at one time the world's largest producer of refractory material (silica brick), with three plants – General Refractories, United States Refractories, and Harbison Walker.
• For example, it is prescribed for severe refractory uveitis after a bone marrow transplant, exacerbations of minimal change disease, Kimura's disease, and vitiligo.
• Chytrids are saprobic, degrading refractory materials such as chitin and keratin, and sometimes act as parasites.
• Refractoriness is the fundamental property of any object of autowave nature (especially excitable medium) not responding to stimuli, if the object stays in the specific refractory state.
• The product has a wide variety of uses, including the formulation of cements, coatings, passive fire protection, textile and lumber processing, manufacture of refractory ceramics, as adhesives, and in the production of silica gel.
• The Vietnamese government, reasoning that it would be difficult to dislodge Liu from its territory and that he might also be a useful ally against the refractory montagnards, co-opted Liu into its service in 1869 and gave him military rank in the Vietnamese army.
• The boiler was well-regarded in service as it reduced the amount of potentially troublesome refractory firebrick usually used for the base of the furnace.
• Group 10 elements are resistant to tarnish (oxidation) at STP, are refractory, and have high melting and boiling points.
• The surgical operation to produce this condition (corpus callosotomy) involves transection of the corpus callosum, and is usually a last resort to treat refractory epilepsy.
• While hyperpolarized, the neuron is in a refractory period that lasts roughly 2 milliseconds, during which the neuron is unable to generate subsequent action potentials.
• A forest is an example of an excitable medium: if a wildfire burns through the forest, no fire can return to a burnt spot until the vegetation has gone through its refractory period and regrown.
• They now began to manufacture various refractory products for trade, including ashtrays with red glaze.
• Girtin is believed to have served out his seven-year term, although there are unconfirmed reports of clashes between master and apprentice, and even that Dayes had Girtin imprisoned as a refractory apprentice.
• An igniting electrode (called the ignitor), made of a refractory semiconductor material such as silicon carbide, is briefly pulsed with a high current to create a puff of electrically conductive mercury plasma.
• The result is a lengthening of the R-R intervals as each subsequent P-wave reaches an increasingly refractory AV node until the impulse fails to conduct, which ultimately results in a blocked QRS complex.
• The ball mill is a key piece of equipment for grinding crushed materials, and it is widely used in production lines for powders such as cement, silicates, refractory material, fertilizer, glass ceramics, etc.

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