How to use boron in a sentence

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Sentence Examples Only diamonds and cubic boron nitride are harder than boron suboxide, which appears to have promising potential. When boron nitride oxidizes, on the other hand, the molecules form boric acid, which is an excellent solid lubricant. Additions of boron, which precipitates these elements as borides, are used to remove them in conductor material. Electrons from the n-type half are drawn to the p-type half because of the way that phosphorus and boron bond with silicon. The most widely used grain refiners are master alloys of titanium, or of titanium and boron, in aluminum. They spray boron and energetic nitrogen atoms onto a clean, heated tungsten surface, held at 250 to 500 volts, in an ultrahigh vacuum. Grain refinement by titanium, boron and zirconium additions has only a limited effect on mechanical properties. Each layer is doped with tiny amounts of different impurities, usually phosphorus and boron. Diffusion methods modify the chemical composition of the surface with hardening species such as carbon, nitrogen, or boron. In certain cases, small metallic atoms, like boron and beryllium, may enter into restricted interstitial solid solutions. Subduction volcanoes generally show enrichments of boron in their eruptive products when compared with volcanoes in other tectonic environments. The mineral elements most likely to be deficient in vineyards are nitrogen, potassium, phosphorus, zinc, boron, iron, manganese, and magnesium. They include magnesium, calcium, iron, sulfur, molybdenum, boron, zinc, copper and manganese. The anion that is left behind is a cluster of carbon, chlorine, and boron atoms. These include iron, calcium, sulfur, manganese, molybdenum, zinc, boron, and copper. Grains of boron suboxide loom like boulders in this scanning electron microscope view. To control the reactor control rods made of boron or cadmium are inserted near the fuel rod to absorb neutrons. Nine seconds later, 69 boron rods smash down into the hot core of unit two, a nuclear reactor on Three Mile Island. Bohrium, rather than the proposed nielsbohrium, has the same name as the element boron in both Russian and German. The most important precipitation-hardening reactions are obtained with beryllium, chromium, boron, nickel, silicon, and zirconium. Show More Sentences They are composed of iron, boron and neodymium, one of the rarest metals on Earth and their strength range from 2000 to 3600 gauss. Among the most important of these alloys are those containing iron and neodymium along with boron. Nitrogen and boron are increasingly used in steels in small but significant concentrations. In addition, soy also contains magnesium and boron, which are important co-factors of calcium for bone health. It was not until 1807, however, that Sir Humphrey Davy identified boron as a chemical element. Nitrogen, phosphorus, potassium, sulphur and boron have been found to be important in Zambia. The smaller element may be a nonmetallic element, such as boron, carbon, nitrogen, or silicon. The immobile nutrients are iron, sulfur, calcium, manganese, copper, zinc, boron, molybdenum, and chlorine. Besides hydrogen and its isotope deuterium, researchers use the isotopes of boron, oxygen, nitrogen and carbon. Trace minerals that are already more than adequate in most diets include phosphorus, iodine, manganese, chloride, molybdenum and boron. After visualization with primuline, lipid bands were scraped off, saponified and fatty acids methylated with boron trifluoride. Fluids, immiscible droplets of metal sulphides, and elements like boron and fluorine are concentrated in the remaining melt. Fruits like apples, pears and grapes are good sources of boron, as are green leafy vegetables and whole grains. Capturing neutrons causes the boron nuclei to break apart, resulting in the emission of alpha radiation and lithium nuclei. Helicopters dropped 5,000 tonnes of sand, boron, dolomite, clay and lead onto it. Those with less than an octet are often called electron deficient and are typical of certain elements with an odd number of electrons, such as boron and nitrogen. We only ever did boric treatment, which is boron treatment for insects. After the boron is selectively localized to the tumor, it is irradiated with neutrons that cause the release of alpha radiation from the boron atoms. Zeng and his team reasoned that since boron and carbon are both insulators and sit next to each other on the periodic table, they might have similar growth patterns. This product is a laundry aid containing sodium, boron, oxygen, and water. Show More Sentences Next to carbon, boron probably has the richest chemistry with regard to catenation, which is the formation of chains of atoms of the same element. However, China is relatively deficient in reserves of sylvine and boron. Boron reacts with oxygen at room temperature to form boron trioxide, which forms a thin film on the surface to prevent further reaction with oxygen. The most important boron compound commercially is sodium borate, used in the manufacture of borosilicate glass, glass fiber insulation, and textile glass fiber. By forcing crystals of germanium or silicon to grow with impurities such as boron or phosphorus, the crystals gain entirely different electrical conductive properties. There is evidence that compositional and functional properties of bone are affected by boron status, with a worsening under circumstances of boron deprivation. There is some evidence that chromium, boron, and other inorganic elements play some part in human nutrition, but the evidence is indirect and not yet convincing. In the 1970s DSTO, with the strong support of the RAAF, pioneered the use of bonded carbon and boron fibre doublers to repair cracked metal structures. Thermal neutrons emitted from a radioactive substance interact with the nuclei of boron atoms within boron nitride. The metallurgist Eric Colbeck, when working at Hadfields Limited in Sheffield, invented boron steel for control rods for nuclear reactors. Also reported, the very soluble element boron was detected for the first time on Mars. For example, sugar beets appear to require boron, and legumes require cobalt. The first, wurtzite boron nitride has a similar structure to diamond, but is made up of different atoms. The leachability of these boron compounds and the termite and decay resistance of wood treated with these compounds were evaluated. As the researchers point out, when boron is oxidized it becomes borate which is essential to the creation of ribose. Mori et al developed a fast-curing adhesive using silyl groups and a Lewis acid such as metal halides or boron halides as curing catalysts. Seven per cent of the safety cage in the original XC90 was made of hot-formed boron steel. Bowen and Eastwood developed boron cage compounds as fillers for shielding and absorbing neutrons. The second chapter focuses on boron trifluoride end-uses, the third one gives summary on a number of patents. The researchers believe that according to the results, a combination of boron nitride nanotube and vitamin B3 can be used in drug delivery. Show More Sentences The draft seeking to remove boron fields from government protection was approved by the Cabinet on March 5 and sent to the Parliament. The seven materials are fluorine, lead, arsenic, sexivalent chrome, dichloromethane, nitrite nitrogen and boron, it said. The purchase includes customer agreements and intellectual property for the manufacture of metallocenes and boron co-catalysts. Safe and adequate daily boron doses range from 1 to 3 milligrams, and are easily obtained in a balanced diet, Nielsen says. Measured titanium boron additions are included with each charge, based on the weight of the charge material being added. The crosslinks include multivalent metal ion crosslinks formed with one or more ions of aluminum, boron, bismuth, titanium, or zirconium. It was speculated that boron and nitride atoms may be substitutionally incorporated into graphite layer. Commercially important boron compounds such as borax, boric acid, sodium metaborate, sodium perborate, boric oxide and boron trifluoride are derived from boron minerals. In addition, other important minerals and nutrients that assist in building bone density are choline-stabilized orthosilicic acid, boron and the omega-3 essential fatty acids. Given the inertness of magnesium towards boron nitride, it was expected that the optimal application condition determined with aluminum would hold true for magnesium alloys. He covers carbon, dicarbon, and tricarbon cumulenes before looking beyond carbon to azides, triazaallenium salts, sulfur oxides, sulfur nitrides, and cationic boron. The multibotanical contained black cohosh, alfalfa, boron, chaste tree, dong quai, false unicorn, licorice, oats, pomegranate, and Siberian ginseng. The new data show that adequate boron prevents the activation of T-suppressor and T-helper cells, both of which are important in autoimmune chain reactions. Turkey possesses known deposits of 77 of the 90 marketable minerals, most notably boron, feldspar, marble, baryte, celestite, emery, limestone, magnesite, perlite and pumice. This new technology holds promise for solving many of these problems, including how to direct thermal neutrons only to the cancers bearing the boron atoms. The silicon was doped with boron to make a p-type semiconductor. Toray was a pioneer in the development of high performance reverse osmosis membrane that can halve the boron levels compared to existing membranes. In the absence of a satisfactory, ready-made mold coating, older research was consulted to determine that boron nitride might be a suitable material. However, the correlations between boron and Ca, and boron and P, dealing with growth performance and bone mineralization have not been firmly established. Fortunately, eye-opening studies demonstrate that boron has been found to selectively kill prostate cancer cells while leaving healthy cells unharmed. Show More Sentences Even fluoropolymers are no threat to these barrels, which have a protective layer of nickel-rich boron alloy containing molybdenum and a matrix of borides and carbides. The first is borane, a compound of boron, carbon, and hydrogen. The coolant effectively resists microbiological growth and does not contain chlorinated compounds, formaldehyde release agents, boron, monoethanolamine, nor secondary amines. Spray of magnesium sulphate and boron would also improve bolls. The hydroxylated PCBs were synthesized using the Suzuki coupling of chlorobenzene boronic acids with bromochloro anisoles followed by demethylation with boron tribromide. Quaternary ammonium tetraphenylborates and quaternary ammonium tetrafluoroborates were synthesized for the manufacture of leaching-resistant boron wood preservatives. A useful shielding material consists of the resin plus copper, aluminum hydroxide or magnesium hydroxide as a refractory material, and boron carbide. In chemistry, B is the symbol for boron, a chemical element. The granites are highly enriched in lithium, boron, caesium and uranium and moderately so in fluorine, gallium, germanium, rubidium, tin, tantalum, tungsten and thallium. Examples from Classical Literature In it are dissolved varying quantities of metallic and non-metallic fluorides, such as boron trifluoride, sodium fluoride, etc. Passerini found traces of boron in the stems of chickpea plants, while in 1892 Brand determined boric acid in the ash of beer. The presence of boron affects the action of yeast on glucose and galactose. By heating boron in oxygen, it burnt, and was reconverted into boracic acid. Tobacco is so rich in boron that it can be detected in the ash of one cigarette. Recent developments indicate that the metal, boron, may play an important part in the metallurgy of various metals. Tourmaline is a complex hydrous silicate of aluminum and boron, with varying amounts of magnesium, iron, and alkalies. Wet steam and hot solutions of fluorine, boron or sulphur compounds may have effected the decomposition. Our knowledge of the action of boron on the lower plants is less definite and complete than with regard to the higher plants. The accumulation of boron is in the fruit itself, the other parts of the plant containing little. In fact, diny teeth, being organic, seemed to be an especially hard form of boron carbide. It is a white solid which decomposes on heating into boron nitride and ammonia. We tried silicon and boron, and a lot of things that I have forgotten now. His results indicated that fruits are relatively rich in boron. With an unstable fuel like boron hydride, that made the difference. Find more words! 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What is the adjective for boron? What is the noun for boron? Translations for boron Use our Sentence Generator Nearby Words borohydride borodino Borobudur boro born with a silver spoon borns boronia boronic borosilicate borough Borough boroughs 5-letter Words Starting With b bo bor boro