How To Use Silica In A Sentence

Experimental research indicated that the composite adsorbent could not only adsorb much more water vapor than silica gel in the same time interval, but also desorb at a lower temperature.
Silica exists in several crystalline forms, in a large number of colloidal forms, and as an amorphous solid.
Amosite, fibrous anthophyllite, fibrous tremolite, fibrous actinolite, and crocidolite are amphiboles, double-chain silicates, which observed microscopically look like sharp needles.
Some makers still bolster these paints with components like formaldehyde, crystalline silica, acetone and ammonia to help preserve the paint or give it other properties, such as spatter-resistance. Painting Without That Smell
Not far away, and altogether more appealing, is the abandoned Portuguese city of Old Goa, now a dramatic collection of cathedrals and basilicas.

The trick was to desiccate the seeds, spores and the animals first (for 3 days over silica gel) before heating them slowly at a rate of 4 °C per minute. Survival at extreme temperatures: what is it good for?
I did better at making these when I was taking the borosilicate class in February. Kater’s Art » Blog Archive » Glass Bottles
Various potassium silicates -- leucite, feldspar, sericite, and glauconite -- and the potassium sulphate, alunite, have received attention and certain of them have been utilized to a small extent, but none of them are normally able to compete on the market. The Economic Aspect of Geology
Several powders or dry colours use a base of asbestos, chalk powder or silica.
They would say that being an archpriest of a major basilica is an important job, you need a senior churchman to do it.
Temperatures high enough to melt silicates and make droplets of glass are commonly found near surface bursts.
Mars Science Laboratory will be phyllosilicate clays in Gale Crater, Young said. Yahoo! News: Business - Opinion
The new technique raises the efficiency to 69 per cent, using a solid-state device which stores data on ions in a crystal made of an exotic compound, yttrium orthosilicate. AustralianIT.com.au | Top Stories
Since silica can only limit diatoms, other forms of phytoplankton might dominate if nitrogen is regenerated more rapidly.
Mount St. Helens contained 60 percent or more free crystalline silica — far greater than the actual 3 to 7 percent of the respirable size fraction. Volcanic Ash -- Effects on Health and Mitigation Strategies
Iron likewise combines with a considerable variety of substances other than oxygen; and some of these compounds, as for instance iron carbonate (siderite), iron silicate (chamosite, glauconite, etc.), and iron sulphide (pyrite), are locally mined as iron ores. The Economic Aspect of Geology
The resources required to deliver a combination of projects of road building, laying out of street grids, the provision of forums, basilicas, public baths, etc. were not such as to lead to a rapid execution.
Electron micrographs revealed that the sheets and filaments were composed of densely packed colloidal rods of twinned witherite crystals interspersed and coated with silica.
Tarnish, as with silver, can be prevented by storing your jewellery in resealable plastic bag together with a sachet of silica gel.
Alfred persevered, first inventing the blasting cap and then discovering that a silicaceous earth, kieselguhr, would stabilize nitroglycerin, thus making dynamite. Nobel, Alfred Bernhard
We performed laser induced fluorescence imaging by exciting the immobilized MBs with an evanescent wave field produced at the silica-water interface.
He will buried in the tomb left vacant after the remains of Pope John XXIII were exhumed from the cramped grotto under St. Peter's Basilica in 2001 and moved to the main floor following his beatification. USATODAY.com - Bells, white smoke to announce new pope
The scattering cells consisted of polished borosilicate vials with stoppers.
In the case of high-level waste, the nuclear industry has pioneered the stabilization of the liquid streams through vitrification into borosilicate glass blocks.
I generally try to load cameras well before a dive, and wedge a small sachet of silica gel in a corner of the housing.
Neither does Mr. Rosales's theory account at all for auriferous lodes; which below water level are composed of a solid mass of sulphide of iron with traces of other sulphides, gold, calcspar, and a comparatively small percentage of silica. Getting Gold: a practical treatise for prospectors, miners and students
Many of the latter are magnetite, while the others are hornblende and various ferromagnesian silicates. Aboriginal Remains in Verde Valley, Arizona Thirteenth Annual Report of the Bureau of Ethnology to the Secretary of the Smithsonian Institution, 1891-92, Government Printing Office, Washington, 1896, pages 179-262
Vestiges of the city's forum, basilica, temple, ramparts, bastions and oil mills are also well preserved.
And not too surprisingly (since silica is the most abundant mineral in the Earth’s crust), the coating is non-toxic and environmentally harmless. Spray-on liquid glass
Noumeite and garnierite are hydrated silicates of nickel and magnesia. A Text-book of Assaying: For the Use of Those Connected with Mines.
In the earliest times the subsellia, usually of stone, of the clergy were placed to the right and left of the cathedra of the bishop in the apse of the basilica. The Catholic Encyclopedia, Volume 14: Simony-Tournon
I thought it fitting to share with you an image of St. Lawrence from the basilica dedicated to him in Rome, St. Lawrence outside the Walls, as well as the confessio beneath the high altar of the same basilica, where his relics are kept and venerated. Feast of St. Lawrence
The epidermal cells are all thickened very much and the outer layer is cutinized and impregnated with silica. A Handbook of Some South Indian Grasses
Silicaceous rock powders are believed by many farmers to mimic the remineralization that occurs when glaciers descend from the north, grinding rocks into a fine powder that supplies trace minerals.
The basilica, and the Parthenon itself, became the forefathers of the mosque and the church.
Tubes composed of concentric bands of agate can result from elongated crystals, such as anhydrite or selenite, that formed early in the agatization process and were subsequently dissolved and replaced by silica.
The soft, milky, aquamarine colour comes from the blue-green algae that thrives in the lagoon and white Silica mud, which carpets the bottom with a light natural sediment.
The most famous preserved example is the porphyry group of Diocletian, Maximian, Galerius, and Constantius embracing each other, which can now be seen on the southwest corner of the Basilica di San Marco in Venice. Caesars’ Wives
Gold is associated with extensive zones of vuggy silica, quartz-alunite and quartz-dickite-kaolinite alteration. Marketwire - Breaking News Releases
The processing of silica sand including transferring, screening and dewatering, eliminating bridge-formation in the silo, weighing in precision, dust-prevention device etc. has been recommended.
Silica precipitated from aqueous solution at low temperatures gives cryptocrystalline varieties such as opal, jasper, chalcedony, agate, carnelian, onyx, flint, and chert.
The second Expedition failed to find gold, but brought back argentiferous galena in copper-stained quartz, and possibly in the ochraceous red veins seaming the Secondary gypsum; with silicates and carbonates of copper: select specimens of the latter yielding the enormous proportion of forty per cent. The Land of Midian
The Podolia ash beds consist largely of clay minerals accompanied by a variety of primary volcanogenic crystals and secondary sulphides, sulphates, oxides, carbonates, and silicates.
XVII Under Toal's personal direction, a special squad of soldiers and lensors rushed through the most sig-nificant portions of the Basilica, all senses on high alert, searching for one subofficer who shouldn't be there. The Chronicles of Riddick
The most common variety of Portland cement is a mixture of calcimined calcareous and argillaceous materials, forming a complex composition consisting of tri-calcium illuminate, tetra-calcium alumna ferrite, decaliun sillicate and tetra calcium ortho-silicate.
All materials (cellulose Soxhlet thimbles, silica wool, vials) were cleaned with analytical grade organic solvents prior to use.
Rorrer's lab aims to incorporate elements such as silicon, germanium, titanium, and gallium into the diatoms' silica shells.
The present market of sodium metasilicate pentahydrate was outlined, and then the experimental technique of preparing sodium metasilicate pentahydrate from the waste silica gel was introduced.
Below this threshold, minerals occur as silicates, in that they are chemically bonded to silica.
An altar surmounted by an urn stands on a high podium in front of the ruins of the Basilica of Maxentius.
Nickel is found in many ores as sulfides, arsenides, antimonides & oxides or silicates; chief sources include chalcopyrite; others are pyrrhotite, pentlandite, garnierite, niccolite, millerite.
It is supposed to be on the spot where Peter was martyred that a basilica was built.
Some fractions with low molecular weight have been obtained by silica gel chromatography separation of Pingshuo coal extracts.
In Lisieux, a vast basilica dedicated to Thérèse was erected southwest of the city center.
Equisetum are known as horsetails, foxtails, or scouring rushes - this last name is derived from the fact that Equisetum stores granules of silica within its cells, making it an effective tool for scrubbing pots and polishing wood.
If the bicarbonate is used, and heat is applied gradually, steam and carbonic acid are given off at a comparatively low temperature, and the carbonate is left; at a higher temperature (about 800° C., or a cherry-red heat) the carbonate fuses attacking the quartz, and giving off more carbonic acid; as the heat increases, and the attack on the quartz (which of itself is infusible) becomes complete, the whole mass settles down to a liquid sodium silicate, which is sufficiently fluid to allow the gold and lead to settle to the bottom. A Text-book of Assaying: For the Use of Those Connected with Mines.
But Apple has expressed delight with the so-called aluminosilicate glass it uses -- though the Cupertino, California, company didn't immediately respond to a request for comment for this story.
By theory, [20] 50 grams of quartz will require 88.5 grams of the carbonate, or 140 grams of the bicarbonate, to form sodium silicate, which is a glassy, easily-fusible substance, making a good slag. A Text-book of Assaying: For the Use of Those Connected with Mines.
Based on meteorite studies, astronomers recognize that NEAs have diverse compositions, including silicate, carbonaceous and hydrocarbon-bearing, metallic, and ice-bearing materials.
When Francesco Borromini came to restore the nave of the Lateran basilica during the pontificate of Innocent X, subsidiary altars again had no role to play.
The first is that, in addition to the basaltic magma associated with mid-ocean ridges, Iceland's volcanoes produce significant amounts of rhyolite, which is silica-rich and, more significantly, contains a lot more volatile substances. Ars Technica
Fumed silica is used as a filler in the cement and refractory materials industries, as well as in heat insulation and filling material for synthetic rubbers, polymers and grouts. Silicon
Two such cellae, or cemeterial basilicas, dedicated respectively to Sts. Sixtus and The Catholic Encyclopedia, Volume 3: Brownson-Clairvaux
The product was isolated by silica gel column chromatography utilizing a gradient system of increasing polarity.
Wandering round to the façade, finished in 1886, it is a careful imitation of fifteenth-century work we see, saved from the mere routine of just that, in its design at any rate, by the vote of the people, who, against the opinion of all the artists in Florence at that time, insisted on the cornice following the basilical form of the tower, refusing to endorse the pointed "tricuspidal" design. Florence and Northern Tuscany with Genoa With Sixteen Illustrations In Colour By William Parkinson And Sixteen Other Illustrations, Second Edition
Deep inside, St. Francis' bones are locked away in a sepulcher, the immense weight of the Basilica - a place he would have hated - weighing down on top of him.
Store metal jewellery in resealable plastic or jewellery bags with silica-gel sachets to prevent tarnish.
After execution he carried his severed head to the site of the present basilica of St Denis.
According to what we studied, we identified the way of adding Silica gel to improve the non-biology-stability of black wheat beer.
They consist of willemite and zincite, together with large amounts of franklinite (an iron-manganese oxide) and silicates, in a pre-Cambrian white crystalline limestone near its contact with a coarse-grained granite-gneiss. The Economic Aspect of Geology
Bramante's basilica, Michelangelo's dome, Bernini's colonnade. THE THORN BIRDS
This form of bronchiolar disease may occur with inhalation of a number of inorganic dusts, including asbestos, iron oxide, aluminum oxide, talc, mica, silica, silicate, and coal.
They used various materials such as lime, copper, silica, iron oxides, and chalk to produce numerous colors.
The classic mode of skarn formation involves high-temperature contact metamorphism wherein a silicate magma is intruded into a carbonate-rich sedimentary rock such as a limestone.
Plutonic rocks can be dense, silica-poor and dark in colour, like most cumulates, or silica-rich and pale in colour like the melt remaining after cumulate formation.
Two important considerations are the carbon-oxygen and magnesium-silicon ratios of stars, which can affect whether a planet has certain magnesium- or silicon-loaded clay minerals such as magnesium silicate (MgSiO3), silicon dioxide (SiO2), magnesium orthosilicate (Mg2SiO4), and magnesium oxide (MgO). Yahoo! News: Business - Opinion
Nevertheless, I wanted to see how it worked compared to my pyrex (mine is older and also borosilicate, as opposed to the newer glass) and whether the nonstick coating worked - and if so, if that made it worth buying. Green Apple Nonstick Glass Bakeware, reviewed | Baking Bites
Sponges have an internal skeleton composed of needle-like elements called spicules, which can be composed of calcium carbonate, opaline silica, or fibres of the scleroprotein spongin.
A method of producing lithium aluminosilicate (LAS) ceramics, which uses a mixing powder of lithium carbonate, aluminum oxide, and silicon oxide as a raw material powder.
The modern city of Sofia was named in the 14th century after the basilica Saint Sofia.
To the left of this tower are the walls that surround the basilica itself, as solid and crenellated as a castle keep.
Architectural stone sculpture was traditionally highlighted with paint and remains survive, for instance, in the tympanum of the basilica of S. Madeleine in Vézelay, France, or on the façade of Conques.
Leaf tissue was placed in vials containing silica gel and stored at room temperature.
Silicate minerals constitute most alluvial sediment on Earth.
Offshore oil and gold are exploited, and there are deposits of iron ore, copper, manganese, uranium, silica, and titanium.
England (following Brooke and Miller, 1852) these designations have been reversed, calamine being used for the carbonate and smithsonite for the silicate. Encyclopaedia Britannica, 11th Edition, Volume 4, Part 4 "Bulgaria" to "Calgary"
The cross-shaped hall resembles an aircraft hangar or perhaps the transept and nave of a modern-day basilica.
Instead, silica is found in polymerized combinations with metals as silicates embedded in geologic rock formations, such as quartz.
These data provide direct evidence confirming earlier hypotheses that the silica pump is weak in Monterey Bay.
The physical and chemical properties of complex sodium disilicate as a new builder were studied.
It was before the altar of this same basilica, in his Marine dress uniform, that he was married just eight months ago.
A big chunk of pink silicate (lithium aluminate, no doubt, he mused); broke free, fell to the ground. Sentenced To Prism
Grasses have a gritty compound called silica, which is contained in sand and is used to make glass. Horsetalk.co.nz Headlines
The strongest and most stable molecular structure is the three-dimensional tetrahedron, the configuration achieved with silicates.
The altars of the basilicas erected by Constantine at Rome were surmounted by ciboria, one of which, in the Lateran, was known as a fastigium and is described with some detail in the "Liber Pontificalis". The Catholic Encyclopedia, Volume 1: Aachen-Assize
Glass-forming substances are usually silica, boric oxide, phosphorous pentoxide, or feldspars.
Originally used to designate the burial-place of a confessor or martyr (known also as a memoria or martyrion), this term gradually came to have a variety of applications: the altar erected over the grave; the underground cubiculum which contained the tomb; the high altar of the basilica erected over the confession; later on in the The Catholic Encyclopedia, Volume 4: Clandestinity-Diocesan Chancery
Holocene climatic change in Swedish Lapland inferred from an oxygen-isotope record of lacustrine biogenic silica. Historical changes in freshwater ecosystems in the Arctic
These are all silicates, the almandite garnets being silicates of iron and aluminum; the pyrope garnets are silicates of magnesium and aluminum; the hessonite garnets, silicates of calcium and aluminum, and the andradite garnets, silicates of calcium and iron. A Text-Book of Precious Stones for Jewelers and the Gem-Loving Public
Turbans, fezzes, yarmulkes and black lace veils, or mantillas, joined the zucchettos or skull caps of Catholic prelates on the basilica's steps in an extraordinary mix of religious and government leaders from around the world.
Consider using silica gel or air midsoles in your shoes plus polyester or polyester-blend socks to prevent blisters and keep your feet dry.
The soft, milky, aquamarine colour comes from the blue-green algae that thrives in the lagoon and white Silica mud, which carpets the bottom with a light natural sediment.
Rorrer's lab aims to incorporate elements such as silicon, germanium, titanium, and gallium into the diatoms' silica shells.
Diatoms have non-growing siliceous shells and thus need silicate for growth while dinoflagellates move by the action of tail-like projections called flagella. General description of the Arctic biota
Here it is believed to be an alteration product of diopside (lime-magnesia pyroxene) in a contact-metamorphic silicated zone. The Economic Aspect of Geology
It allows dripping of glues like quick-drying glue, red glue, yellow glue, epoxide-resin glue, silica gel, lubricant oil, screw locking glue and soldering flux.
BK7/K9 is a borosilicate crown optical glass with high homogeneity, low bubble and inclusion content.
In 2007, New Scientist noted that a theory by John Abrahamson and James Dinniss of the University of Canterbury in Christchurch, New Zealand, suggesting ball lightning could form when lightning strikes soil, vaporizing any silica in it, had been supported by experimental work in Brazil. Ball lightning
A kind of insulating sleeve combined with hollow particles, added insulating material and sodium silicate adhesive is introduced.
Temperatures high enough to melt silicates and make droplets of glass are commonly found near surface bursts.
The most abundant oxidised ores are the carbonates, malachite and chessylite; the silicates, as also the red and black oxides, occur less abundantly. A Text-book of Assaying: For the Use of Those Connected with Mines.
All igneous rocks contain at least a trace of barium, which is probably present in the silicates, and these small quantities are the ultimate source of the more concentrated deposits. The Economic Aspect of Geology
Meanwhile, the famous rooftop deck, with its awe-inspiring view of the Basilica dome and Loring Park, remains about living the good life, unpretentiously.
In those studies, the fast-drying condition was normally referred to as the dehydration of seed tissues under a laminar flow cabinet or with silica gel, while slow-drying was the drying of seed tissues with testa or in closed containers.
Their relationship with the ‘Gregorian’ repertory has been much debated, but there has been general agreement in associating them with the liturgy celebrated in the basilicas of Rome by their clergy and supporting monasteries.
You can see this year's programme here; but one point certainly worth noting is that the conference will conclude with a Pontifical Mass according to the usus antiquior in the Papal Basilica of St. Peter in the Vatican (Chapel of the Eucharistic Adoration), celebrated by H.E. Msgr. Raymond L. Burke, Prefect of the Apostolic Signatura, on Sunday 18 October at 10 a.m. Usus Antiquior Pontifical Mass in St. Peter's, Rome
Mixing very finely-ground silica, or trass, with the cement proved an advantage where a weak mixture was employed, but in the other cases no benefit was observed. The Sewerage of Sea Coast Towns
Montmorillonite is a swelling clay formed from the degradation of silicates such as feldspars, volcanic minerals, chlorite and illite, and is commonly found in alkaline soils today.
Cairns-Smith believes that the original life on this planet was based on self-replicating inorganic crystals such as silicates.
-- A paste formed by mixing powdered glass with a concentrated solution of silicate of soda makes an excellent acid-proof cement. The Handy Cyclopedia of Things Worth Knowing A Manual of Ready Reference
It contains a variety of lithologies including augen gneiss, quartzite, amphibolite, calc-silicate, pelite and marble.
Grossular Garnet group grossularite is or calcium aluminum minerals calcium, molecular species 3 Al 2 (silica 4) 3 Although calcium may part is made of iron and iron of ferric iron instead of aluminium. VInvesting.com
Common clays are usually mixtures of clay minerals such as illite, smectite, and kaolinite, together with fine silica and other minor constituents.
The hexane extract was evaporated, redissolved in chloroform and passed through a short silica gel column.
The zimenqiao Formation silicalite of Lower Carboniferous is the country rock of Changkeng Au - Ag deposit.
An increasing silica modulus impairs the burnability by reducing the liquid phase content, causes slow setting, hardening and also dusting in the kiln. 5.1 Raw-mix design
- Clays containing montmorillonite (like bentonite) contain high amounts of colloidal silica that may cause the slip to gel and in general are difficult to deflocculate. 7. Slip casting
Microelectrodes were made from borosilicate glass and filled with a 3M KCl solution for the two-electrode experiments.
Mark's Basilica . This spectacular church have five main arches and some extraordinary onion - shaped domes.
Glass such as Pyrex (used for test-tubes and ovenware) is usually based on boro-silicates or alumino-silicates, which withstand heating better and typically have a higher glass transition temperature. Archive 2005-09-01
The colonel had packed the ammunition in silica gel, guarding against condensation, the worst enemy of the rifleman. KARA KUSH
Andesite and diorite are intermediate igneous rocks that have a chemistry between mafic and felsic (silica amounts between 53 to 65%). Igneous rock
Laurea Honoris Causa at the Universita Degli Studi Della Basilicata in Potenza, Italy Betty Williams - Curriculum Vitae
This experiment mainly studied about the influence of sodium chloride to the viscosity of sodium aluminosilicate solution.
The measurements are performed in vitro, with a DNA construction anchored between a glass microscope slide and a silica bead.
The clays consist of silica tetrahedra and the octahedra contain magnesia surrounded by oxygen atoms and hydroxyl groups.
To slow down the light, the researchers used a silicate crystal doped with a rare-earth element called praseodymium . This Laser Trick's a Quantum Leap
From such melts the lower density silicates separated upwards to form a crust.
Somewhere lie public buildings, temples, warehouses, a Forum with a basilica in it and a Governor's Palace.
In the case of fluorides free from silicates (such as fluor-spar), it is determined indirectly by decomposing a weighed portion with sulphuric acid, evaporating, igniting, and weighing the residual sulphate. A Text-book of Assaying: For the Use of Those Connected with Mines.
The Crust: The crust or the lithosphere is the outermost layer of the Earth made up of silicate rock materials. Undefined
These sealers are silane or siloxane-based products that react with silica and silicate materials in concrete and with each other to form a hard resin that bonds with the concrete.
Glass-forming substances are usually silica, boric oxide, phosphorous pentoxide, or feldspars.
Silica precipitated from aqueous solution at low temperatures gives cryptocrystalline varieties such as opal, jasper, chalcedony, agate, carnelian, onyx, flint, and chert.
For most large deposits of agate or silicified wood, silica was derived from the decomposition of volcanic rocks.
Aluminum silicate Also called kaolin, this clay mineral was the "kao" in antidiarrheal Kaopectate until 1989. What's Inside: This Exterior Latex Paint Coats Walls, Fights Diarrhea
Glass, which isn't corrodible or stainable, is more resilient than granite -- though they both contain high levels of the mineral silica and can chip. Transparent Tombstones
Twin quakes on Sept. 26 killed 10 people and severely damaged the basilica in Assisi.
But I ended up with a knot that looked, well, complicated enough, and made my way up into the old stone basilica, which is far and away the only church on the island.
They have ruins of baths, a massive city gate, a Byzantine basilica, a 4th Century Agora, a 300 Meter Colonnaded street and a gigantic stadium for racing horses.
I stood praying within the Holy House, which is enclosed within the basilica, ornamented by marble architecture, as a sort of tabernacle or aedicule. Santa Casa
Digestion products were loaded on silica gel TLC, developed in butanol: acetic acid: water and stained with thymol - H 2 SO 4.
In 1608, Oswald Croll published his Basilica chymica, a treatise devoted to a predominantly Paracelsian iatrochemistry.
Soils are generally clay silica of varied depths and exposures.
In the vast basilica of San Giovanni in Laterano the priests bustled like beetles around the baldacchino as they presided over Midnight Mass.
Nor will it satisfactorily explain the auriferous antimonial silica veins of the New England district, New South Wales, in which quantities of angular and unaltered fragments of slate from the enclosing rocks are found imbedded in the quartz. Getting Gold: a practical treatise for prospectors, miners and students
He might then proceed to the forum or the basilica, but the shift was only one of scale, not of kind.
The convent, on the longitudinal axis, is joined to the Basilica by one of its short sides.
This occurs when finely divided amorphous silica particles combine with available lime to form a calcium silicate hydrate.
Her history included a relatively short period of exposure to a mixture of silica, hard metal, and beryllium.
Twin quakes on Sept. 26 killed 10 people and severely damaged the basilica in Assisi.
Glass is made from silica the most common mineral on the planet and aluminium is the most abundant metal on earth.
The minerals of the oxide zone are smithsonite (zinc carbonate) and calamine (hydrous zinc silicate), which yield minor amounts of zinc and are especially productive at Leadville, Colorado. The Economic Aspect of Geology
Although ferromagnesian silicate spinels (such as ringwoodite) were later found to break down to simple oxides or stishovite plus perovskite, several post-spinel oxides experimentally convert into a single phase with the CaFe2O4-type and CaTi2O4-type structures. EurekAlert! - Breaking News
Gem-quality olivine (magnesium iron silicate), known as peridot, is an oily olive-green colour.
Above, it was enclosed in an octagonal structure, which formed in effect the sanctuary of the basilica, which stretched in five aisles divided by rows of monolithic columns.
Experiments were performed in a liquid sample cell containing two silica spheres immersed in a buffer solution and evanescently coupled to the same single-mode, near-infrared optical fiber.
These groups are the silicate minerals, carbonate minerals, oxides, sulfides, and halides.
The roughly-prepared coating is imported in two forms, called lac-lake and lac-dye, which contain about 50 per cent of colouring matter, combined with more or less resin, and with earthy matters, consisting chiefly of carbonate and sulphate of lime and silica. Field's Chromatography or Treatise on Colours and Pigments as Used by Artists
The two central layers in the silica sandwich deal with the significant pressure differences between the pressurised space station and the vacuum of space.
The ash also in high in silica, which is extremely abrasive, and can lead to excessive wear on the animals 'tooth enamel. Iris Erlingsdottir: Eyja's Icelandic Horses
The strongest and most stable molecular structure is the three-dimensional tetrahedron, the configuration achieved with silicates.
Keep your cameras packed in self-locking plastic bags that contain a large supply of desiccant (silica gel packets are available at most camera shops).
Should any such pathways exist they would be filled by recrystallized silicate melt where they impinged on the zone of partial melting.
For most large deposits of agate or silicified wood, silica was derived from the decomposition of volcanic rocks.
They rebuilt the old basilica into a grand, very flamboyant Gothic edifice.
The nickel-containing ore to be used for the preparation of the catalyst according to this invention includes silicate type nickel oxide ore with high silica and magnesia contents usually referred to as garnierite and iron oxide type nickel oxide ore with a high iron content usually referred to as laterite.
Our emotions will be erupting like thermal steam vents, containing sharp silica glass shards from lava rock.
The resuspended pellets were placed into 35 mm petri-dishes and then sealed in a desiccator over silica-gel at 30°C for 58 days.
Abstract: Results from a silica - based HIC stationary phase with multifunctional attachment of amide groups are presented.
the church was raised to the rank of basilica
Many pastes also contain silica, which is a drying agent. Simple Skin Beauty
Hadrianic London, too, saw the demolition of the substantial Flavian forum and basilica and their replacement with a complex twice the normal size.
The latter four minerals are polymorphs of quartz, meaning that they have the same chemical composition (silica), but different crystalline forms (tetragonal or monoclinic). Quartz
WACKER's pyrogenic silicas (HDK®) are ideal for imparting thixotropy, for reinforcing coating materials, printing inks, adhesives and sealants, for controlling powder flow and for many other applications. WebWire | Recent Headlines
To eat the contents, the nerite has to crush the diatom's hard silicate armour on the ground.
In the fossilisation process, the original organic parts of the shark's tooth are replaced by minerals such as iron pyrites and silica.
Modelled on St. Peter's basilica in Rome, its façade is defined by Corinthian pilasters and a pediment, with a great central dome towering over them.
Mass every day was celebrated by our parish priest, Canon John Roper, in different churches and basilicas.
Of pore silica gel, calcination temperature should not exceed 200 ℃.
Behind the grille (before which, as you can see, a lot of candles are placed by the faithful), underneath the altar of grace which serves as a baldachin for it, and at the very centre of the Basilica is the original spot of the apparition, with the earth visible below the floor level. Catholic Bamberg: Vierzehnheiligen
In those studies, the fast-drying condition was referred to as the dehydration of seed tissues under a laminar flow cabinet or with silica gel.
Many of the particles contain iron- and nickel-rich oxide and sulfide minerals, as well as small grains of silicates, says Basu.
Methods 22 cases of ruptured inferior lacrimal canaliculus were operated with silica gel collapsible bulb skillfully as holdfast.
A new type of effective complex coagulant polysilicate aluminum ferric salt(PSAF) was prepared from coal gangue and pyrite slag and used as coagulant in the treatment of papermaking wastewater.
While either of these will bond well with the silica and calcium in lime render, given the choice, their preference will be to bond with salt.
I will be putting together the mother of all Venice link lists eventually (something that really doesn't exist in a coherant way on line at the moment), and I'll poach from the Basilica's list for sure. Veniceblog:
After the death of these organisms, radioactive carbon in the soft tissues of the organisms was converted into a film of mica and silicates, creating a stain in the rock layer.
In the basilica in Suyapa there is a tiny wooden image of her that is believed to have miraculous powers.
Tomorrow, the pastor will hold service for the followers of the Church at San Thome basilica on San Thome High Road in Mylapore.

How To Use Silica In A Sentence

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