How to use silica in a sentence

Looking for sentences and phrases with the word silica? Here are some examples.

Sentence Examples Few biomimetic results have proved as exciting as the recent successes in biologically derived silica and silica polymerization. As the pH of water glass is lowered, colloidal particles of amorphous silica are formed. Consisting of a silica core covered by a metallic shell, the nanoshells capture and focus the passing light, enhancing the Raman effect. An aerogel is a porous network of silica strands with diameters of a few nanometres. For most large deposits of agate or silicified wood, silica was derived from the decomposition of volcanic rocks. A recess is formed in the silica layer that is aligned with an active area within the semiconductor substrate. The hexane extract was evaporated, redissolved in chloroform and passed through a short silica gel column. Since silica can only limit diatoms, other forms of phytoplankton might dominate if nitrogen is regenerated more rapidly. To preserve fragile and moist blooms such as anemones, daisies, pansies, and zinnias, use silica gel, available from florist and craft suppliers. This occurs when finely divided amorphous silica particles combine with available lime to form a calcium silicate hydrate. They used various materials such as lime, copper, silica, iron oxides, and chalk to produce numerous colors. The level of soluble calcium in lime slurry is significantly increased with the addition of silica fume. Several powders or dry colours use a base of asbestos, chalk powder or silica. Tarnish, as with silver, can be prevented by storing your jewellery in resealable plastic bag together with a sachet of silica gel. I generally try to load cameras well before a dive, and wedge a small sachet of silica gel in a corner of the housing. An increasingly important source of iron for commercial uses is taconite, a mixture of hematite and silica. This mineral is probably authigenic clay that formed in the spring waters while the silica was being precipitated. They're using a coating composed of nano particles made of silica, the same material glass is made from. Several powders use a base of asbestos, talc, chalk or silica, all of which are health hazards. Offshore oil and gold are exploited, and there are deposits of iron ore, copper, manganese, uranium, silica, and titanium. Show More Sentences He scratched his name into the silica surface in a popular act of vandalism. The silica tetrahedra may also form a sheet structure where three oxygen atoms of each tetrahedron are shared by adjacent tetrahedra. Irradiation was carried out under permanent stirring in glass beakers covered with fused silica plates. These melts have low silica contents and are dominated by calcium and magnesium carbonate. A derivation of this technique is to use the silica in combination with a microwave oven. Her history included a relatively short period of exposure to a mixture of silica, hard metal, and beryllium. Consider using silica gel or air midsoles in your shoes plus polyester or polyester-blend socks to prevent blisters and keep your feet dry. Our emotions will be erupting like thermal steam vents, containing sharp silica glass shards from lava rock. Natural sources rich in silica are horsetail, alfalfa, barley, millet, oats and potatoes. Films of silica act like the plastic sheath on copper cable, since silica is insulating. The silica and other minerals in the clay vitrify under heat and will not become soft clay again. A number of other minerals, including silica, may play a role, but some of the most spectacular fossils are preserved in pyrite. The residue was chromatographed on a column of silica gel prepared with chloroform. Choanoflagellates have no fossil record, although some marine species secrete delicate loricae, or outer coverings, made of fine, interwoven silica bars. Electron micrographs revealed that the sheets and filaments were composed of densely packed colloidal rods of twinned witherite crystals interspersed and coated with silica. These highly alkaline lakes can produce massive beds of silica. The silica, alumina, and iron come from sand, clay, and iron ore. Belgium is also an important producer of several industrial minerals, including limestone, dolomite, whiting, sodium sulfate, silica sand, and marble. The thin layer may be an adsorbent such as silica gel or alumina, which is made into a slurry, placed in a layer on the glass plate, and then dried. The two central layers in the silica sandwich deal with the significant pressure differences between the pressurised space station and the vacuum of space. Show More Sentences The medical evidence was that pneumoconiosis is caused by a gradual accumulation in the lungs of minute particles of silica inhaled over a period of years. Within this unique ecosystem, high levels of silica, minerals and algae form a light sediment at the bottom of the lagoon, giving it a soft milky aquamarine colour. To orchestrate the reaction, the researchers direct a flow of the reactants continuously over a silica gel impregnated with a light-sensitive catalyst. From these various composts, special preparations are made using such things as silica, yarrow, chamomile, nettle, oak bark, dandelion and horsetail. These improvements are in general in the form of a support made from an inert and thermally stable material such as silica, carbon or alumina. The cement paste premix may include admixtures such as accelerators or retarders, superplasticizers, pigments, or silica fume. Workers who cut, grind or polish concrete are at risk of inhaling airborne silica, which can lead to silicosis. Pozzolans include powdered brick, heat treated clay, silica fume, fly ash, and volcanic materials. Intermediate or andesitic lavas are lower in aluminium and silica, and usually somewhat richer in magnesium and iron. The transformation of smectite to illite produces silica, sodium, calcium, magnesium, iron and water. If this would be the only requirement, large amounts of kaolinite could be harvested simply by adding gibbsite powder to a silica solution. Correctly speaking, Hawaiian basalt is not just basalt, but is a special variety enriched in silica known as tholeiite. Regarding viscosity, there are significant differences between different accelerator types in silica filled compounds. The vast majority of silica aerogels are prepared using silicon alkoxide precursors. Recovery of additional marketable products in the Spodumene, in particular Rubidium as well as aluminum chloride and silica tetrachloride. The deposition of silica by diatoms may also prove to be of utility to nanotechnology. A shell consisting of calcite can, for example, dissolve while a cement of silica then fills the cavity. Mafic lava, before cooling, has a low viscosity, in comparison with felsic lava, due to the lower silica content in mafic magma. A variety of heads were flown in these tests, including a plain copper sphere and a silica sphere. Alum Bay sand includes extremely pure white silica, which was once extracted for glass and pottery manufacture. Show More Sentences The island is rich in minerals such as ilmenite, feldspar, graphite, silica, kaolin, mica and thorium. Carbon monoxide also reduces silica which has to be removed from the pig iron. Sodium carbonate acts as a flux for silica, lowering the melting point of the mixture to something achievable without special materials. The calcium carbonate, in the form of limestone or chalk, should be low in magnesia and silica. These objects are made from substances such as glass, alumina, zirconia, silica, magnesia, lime, beryllium oxide, and ferric oxide. Siliceous sinter is a deposit of opaline or amorphous silica which appears as incrustations near hot springs and geysers. Taphonomical aspects of silica phytoliths in the loess sediments of the Argentinean Pampas. We then discovered a one pot synthesis of secondary amines on silica surfaces starting with primary amines and aldehydes or ketones. These results are in agreement with those of several authors who reported adsorption of silica to sesquioxides in soils. An improved protocol for separating meiofauna from sediments using colloidal silica sols. Clara cell, crystalline silica, matrix metalloproteinase, naphthalene, reverse transcription-polymerase chain reaction. After the silica addition, SIM 6519, Cat soln, and SIO6645 were added and the mixture mixed at 2400 rpm for 2 min. Her mostly organic diet is supplemented with black-currant oil, acetylcarnitine and silica capsules. The accompanying electron micrograph shows good distribution of the silica particles. The NEP for silica builds on policies and procedures instituted under the 1996 Special Emphasis Program. In all, there are at least seven naturally occurring crystalline forms of silica on Earth, says Kei Hirose of the Tokyo Institute of Technology. The choice of filling materials has also been extended to silica gel, molecular sieve and blends. This technology enables room temperature entrapment of organic and bioactive molecules in silica glass beads. The glass has basanitic composition, with silica contents ranging between 44.4 and 46.1 wt. The probe is constructed from plastic-clad silica fiber with an FPA Teflon jacket to prevent ambient light from being scattered into the system. Show More Sentences If one or more of the slurry components reacts with the silica binder, dipcoat gellation may occur. The chlorinated ethenes were determined gas chromatographically with N 2 as carrier gas using two bonded-phase fused silica capillary columns. These minerals are primarily carbonates, sulfides, or oxides of the metal, mixed with other components such as silica and alumina. The cements binding these grains together are typically calcite, clays, and silica. The UK is also rich in a number of natural resources including coal, tin, limestone, iron ore, salt, clay, chalk, gypsum, lead and silica. A discharge lamp has a glass or silica envelope containing two metal electrodes separated by a gas. When silica is in low supply other classes of algae dominate the phytoplankton composition. Mining, especially of gypsum and salt and to a lesser extent silica, peat and barite, is also a significant sector. Chalcedony is a cryptocrystalline form of silica consisting of fine intergrowths of both quartz, and its monoclinic polymorph moganite. Lechatelierite is an amorphous silica glass SiO2 which is formed by lightning strikes in quartz sand. Heating this material with silica in flash smelting removes much of the iron as slag. Machair is distinguished from the links on the east coast of Scotland by a lower mineral content, whereas the links are high in silica. The proportion of silica in rocks and minerals is a major factor in determining their name and properties. The biogenic silica composing the cell wall is synthesised intracellularly by the polymerisation of silicic acid monomers. The exact mechanism of transferring silica absorbed by the diatom to the cell wall is unknown, though research is still being undertaken. In a phylogenetic study on silica transport genes from 8 diverse groups of diatoms, silica transport was found to generally group with species. Additionally, the same study found that a number of the regions were conserved within species, likely the base structure of silica transport. These silica transport proteins are unique to diatoms, with no homologs found in other species, such as sponges or rice. The zygote sheds its silica theca and grows into a large sphere covered by an organic membrane, the auxospore. Crystalline silica is found in granite, sandstone, quartzite, various other rocks and sand. Show More Sentences Silicas are formed inside the polymer matrix, thus the word 'in situ' silica is used. Precipitated silica is most common for this application, but fumed and gel silicas are also used. Silicification is present in the form of vuggy silica, chalcedony banding and quartz veinlets. Silica can potentially create Lewis acid sites and the mixed silica alumina coating can possess both acid and basic sites. Its surface chemistry is very different from silica gel due to the presence of a high population of strong Lewis acid sites. Currently, rocket motors are insulated with an EPDM rubber filled with aramid fibers or silica. Compared to carbon black, a traditional reinforcing agent for tires, silica reduces rolling resistance. She began to fire her work in saggars packed with silica to overcome the problems of warping and splitting. In essence, TESPT is acting as a small molecule amphiphile that can effectively temper the surface energy differences that exist between BIIR and silica. Bags of silica sand used for sandblasting now carry labels warning the user to wear respiratory protection to avoid breathing the resulting fine silica dust. Diatom cells are contained within a unique silica cell wall known as a frustule made up of two valves called thecae, that typically overlap one another. In hand specimen, leached, oxidized, and sheared San Diego breccia consists of cobble to boulder sized, sub-rounded aphanite clasts in a dark gray, amorphous silica matrix. The sequences compared in this study were used to create a diverse background in order to identify residues that differentiate function in the silica deposition process. Terra sigillata was a greasy clay, containing silica, alumina, chalk, magnesia and oxide of iron, found on the Greek islands of Lemnos, Melos and Samos. Magma that erupts from a volcano behaves according to its viscosity, determined by temperature, composition, crystal content and the amount of silica. Its Blair County property was sited at the foot of ganister-covered Dunnings Mountain to compete with the Mount Union plants making silica bricks for the steel industry. Uncrystallized silica binder will creep at high temperatures. Then he tried silicon carbide which held the carbon combined with the silica until glaze melt when the carbon was then able to reduce the oxides in the moulten glaze. Basaltic magma is high in iron and magnesium, and has relatively lower aluminium and silica, which taken together reduces the degree of polymerization within the melt. Workers who inhale very small crystalline silica particles are at risk for silicosis, symptoms of which can include shortness of breath, cough and fatigue. Show More Sentences In geology a natural sintering occurs when a mineral spring brings about a deposition of chemical sediment or crust, for example as of porous silica. Alternatively, sodium sulfate is or was formed in the production of lithium carbonate, chelating agents, resorcinol, ascorbic acid, silica pigments, nitric acid, and phenol. The most common cementing materials are silica and calcium carbonate, which are often derived either from dissolution or from alteration of the sand after it was buried. The silica deposition that takes place from the membrane bound vesicle in diatoms has been hypothesized to be a result of the activity of silaffins and long chain polyamines. Iron, bauxite, manganese, clays, limestone and silica are mined. General liability underwriters can use two new exclusions filed by the Insurance Services Office to limit exposure to silica and unsolicited e-mail claims. The water inside the void instantly vaporizes, flashing to steam and forcing silica, which forms the mineral quartz, and gold out of the fluids and onto nearby surfaces. According to the researcher, the proposed photocatalyst has been produced in two forms of composite mesoporous silica and deposited with titania nanopowder. Goethite crystals form in at the start of the tooth production cycle and remain as a fundamental part of the tooth with intercrystal space filled with amorphous silica. Conventionally, computer chip manufacturers have insulated their wire connections with silica glass, preventing them from coming into contact and interfering with each other. Outcrops of silica sinter and silica replacement bodies with widespread cinnabar mineralization hosted by Tertiary volcanic rocks occur on the property. As demonstrated in the following reaction, this causes potassium feldspar to form kaolinite, with potassium ions, bicarbonate, and silica in solution as byproducts. An example of a rock formed of silica skeletons is radiolarite. Store cleaned seed in screw-top, airtight jars in a dark room with a steady temperature, dropping in a sachet of silica gel crystals to soak up any moisture. According to the Mankato Free Press, Jordan Sands is seeking to mine 70 acres of an existing quarry for silica sand, which it will process and transport out by rail. In the case of silica cements, the process is called lithification. The most commonly used proppant is silica sand, though proppants of uniform size and shape, such as a ceramic proppant, are believed to be more effective. The cigarette holder that uses a plastic cylinder filled with granules of silica reduced the nicotine content by 14 percent and the tar content by 21 percent. A silica spin kit for plasmid DNA minipreparation and a silica spin disc kit for plasmid DNA minipreparation containing silica matrix or discs respectively were from Biometra. Increased mixing of the oceans renews silica and other nutrients necessary for diatom growth in surface waters, especially in regions of coastal and oceanic upwelling. Show More Sentences This magma tends to be extremely viscous because of its high silica content, so it often does not attain the surface but cools and solidifies at depth. Examples from Classical Literature Many of these knives have silica blades, some of the handles being of jade. Hence the relationship of the oxygen in the base to the oxygen in the silica is as one to two. The cell wall contains a very large quantity of silica, and is formed in each cell into three portions, viz. This hardness is a property of other forms of silica, as quartz and chalcedony. It is composed of silica, alumina, carbonate of lime, magnesia and oxide of iron. Pendulums have been constructed of new materials, such as invar, fused silica, and fused quartz. This well-known substance is essentially a mixture of silicates with an excess of silica or silicic acid. At the commencement of this article, it was stated that silicic acid, or silica, could be made soluble in water. The spongiform masses inside are covered all over with beautiful pearly beads of silica. In other species the spongin is intermixed with spicules of silica, or of carbonate of lime, in various shapes. The liquors are previously mixed with a little milk of lime, which frees them from ferric oxide, alumina, and silica. The residuum may be examined for silica, lime, barytes, and oxide of titanium. Next the metal is covered with a very basic slag, made by melting lime with a little silica and fluor spar. There is no acid except the fluoric which can directly dissolve dry or calcined silica. Argentine, a silvery-white slaty variety of calc-spar, containing a little silica with lamin usually undulated. The silica of the compound has been driven off, leaving a shell of graphitic substance formed from the coke. Two grams of a mixture of silica and cassiterite left, after reduction in hydrogen, 1.78 grams. Pin-holing can be seen in the glaze surface and unmelted silica in the body and glaze. It usually contains a little silica, alumina, and oxide of iron. Man was dust, earthen vase, on eyelid of tremulous loam, the shape of clay he was Carib jug, Chibcha stone, imperial cup or Araucanian silica. Show More Sentences Exposure to respirable dust, and especially dust containing crystalline silica, continues to be a serious health concern for our nation's miners. Workers face a number of hazards such as motor vehicle crashes, fires and explosions, electrocution and exposure to respirable silica. The barrier layer can be a mixture of aluminum and magnesium oxides or a semi-metal oxide such as silica. The most important determinations for these are total alkali and silica. The successful preparation of this silica matt is extremely difficult. The powder which originally resisted the muriatic acid, is silica. United with the silica the element most commonly occurring is aluminum. How could green be produced from lead oxide, potash, soda, and silica? Chemically the topaz consists of alumina, silica and fluorine. At least once a second, they uncurl the soft lips along the edge of their bodies and reveal embedded silica spheres that reflect a quick streak of ambient light. Find more words! Another word for Opposite of Meaning of Rhymes with Sentences with Find word forms Translate from English Translate to English Words With Friends Scrabble Crossword / Codeword Words starting with Words ending with Words containing exactly Words containing letters Pronounce Find conjugations Find names From Afrikaans From Albanian From Amharic From Arabic From Armenian From Azerbaijani From Basque From Belarusian From Bengali From Bosnian From Bulgarian From Catalan From Cebuano From Chichewa From Chinese From Corsican From Croatian From Czech From Danish From Dutch From Esperanto From Estonian From Farsi From Filipino From Finnish From French From Frisian From Galician From Georgian From German From Greek From Gujarati From Haitian Creole From Hausa From Hebrew From Hindi From Hmong From Hungarian From Icelandic From Igbo From Indonesian From Irish From Italian From Japanese From Javanese From Kannada From Kazakh From Khmer From Korean From Kurdish From Kyrgyz From Lao From Latin From Latvian From Lithuanian From Luxembourgish From Macedonian From Malagasy From Malay From Malayalam From Maltese From Maori From Marathi From Mongolian From Burmese From Nepali From Norwegian From Polish From Portuguese From Punjabi From Romanian From Russian From Samoan From Scots Gaelic From Serbian From Sesotho From Shona From Sinhala From Slovak From Slovenian From Somali From Spanish From Sundanese From Swahili From Swedish From Tajik From Tamil From Telugu From Thai From Turkish From Ukrainian From Urdu From Uzbek From Vietnamese From Welsh From Xhosa From Yiddish From Yoruba From Zulu To Afrikaans To Albanian To Amharic To Arabic To Armenian To Azerbaijani To Basque To Belarusian To Bengali To Bosnian To Bulgarian To Catalan To Cebuano To Chichewa To Chinese To Corsican To Croatian To Czech To Danish To Dutch To Esperanto To Estonian To Farsi To Filipino To Finnish To French To Frisian To Galician To Georgian To German To Greek To Gujarati To Haitian Creole To Hausa To Hebrew To Hindi To Hmong To Hungarian To Icelandic To Igbo To Indonesian To Irish To Italian To Japanese To Javanese To Kannada To Kazakh To Khmer To Korean To Kurdish To Kyrgyz To Lao To Latin To Latvian To Lithuanian To Luxembourgish To Macedonian To Malagasy To Malay To Malayalam To Maltese To Maori To Marathi To Mongolian To Burmese To Nepali To Norwegian To Polish To Portuguese To Punjabi To Romanian To Russian To Samoan To Scots Gaelic To Serbian To Sesotho To Shona To Sinhala To Slovak To Slovenian To Somali To Spanish To Sundanese To Swahili To Swedish To Tajik To Tamil To Telugu To Thai To Turkish To Ukrainian To Urdu To Uzbek To Vietnamese To Welsh To Xhosa To Yiddish To Yoruba To Zulu English French Afrikaans Word Albanian Word Arabic Word Bengali Word Chinese Word Croatian Word Czech Word Danish Word Dutch Word English Word Finnish Word French Word German Word Greek Word Hindi Word Hungarian Word Icelandic Word Indonesian Word Italian Word Japanese Word Korean Word Latin Word Malay Word Malayalam Word Marathi Word Nepali Word Norwegian Word Polish Word Portuguese Word Romanian Word Russian Word Serbian Word Slovak Word Spanish Word Swahili Word Swedish Word Tamil Word Telugu Word Thai Word Turkish Word Ukrainian Word Uzbek Word Vietnamese Word Welsh Word All words 2-letter words 3-letter words 4-letter words 5-letter words 6-letter words 7-letter words 8-letter words 9-letter words 10-letter words 11-letter words 12-letter words 13-letter words 14-letter words Plural of Singular of Past tense of Present tense of Verb for Adjective for Adverb for Noun for Meaning of name Origin of name Names meaning Names starting with Names of origin silica Use * for blank tiles (max 2) Advanced Search Advanced Search Use * for blank spaces Advanced Search Advanced Word Finder See Also What is another word for silica? Words that rhyme with silica What is the plural of silica? What is the adjective for silica? What is the noun for silica? Translations for silica Use our Sentence Generator Nearby Words silhouetting silhouettes silhouetted silhouette silex Silesian silicate silicates siliceous silicic silicide silicified 6-letter Words Starting With s si sil sili silic