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「silica」の共起表現一覧(2語右で並び替え)

該当件数 : 192



Silica sand, a fine white sand used in making glass,
U.S. Silica is a leading producer of high quality ground a
USS Silica (IX-151), a Trefoil-class concrete barge desig
Silica on a minicolumn with water and with DNA sample
This is because they contain many silica phytoliths, a hardening material in many plant
Fiorite is a hydrated silica rock, a form of opal, found in cavities in vol
, but water filtered at its source through the silica rocks above.
adsorbent such as crushed molecular sieves or silica gel allows the sticky byproduct to adsorb to t
liquid chromatography was done on non-modified silica or alumina with a hydrophilic surface chemistr
eolite comprising a microporous arrangement of silica and alumina tetrahedra.
cles used in sunscreens have to be coated with silica or alumina, because titanium dioxide creates r
When heated they lose water to form silica gel, an active form of silicon dioxide.
are products of low degree partial melts, are silica undersaturated, and have feldspathoids in thei
ction of limestone and by the nearby mining of silica rock and its transport down-valley by various
result of a complex chemical reaction between silica particles and lung tissue.
and coal was later joined by the quarrying of silica stone and limestone, with three lime kilns bei
This leads to the silica surface and DNA becoming dehydrated.
Fairy stones are staurolite, a combination of silica, iron and aluminum.
The organic matter is burnt away, leaving only silica remnant and tiny holes in the filter.
isation is the reverse of podsolisation, where silica remains and the iron and aluminum are removed.
rtant quarries and mines of marble, limestone, silica, clay and gypsum.
stal sequence contains layers rich in iron and silica, which are variously interpreted as banded iro
Cobalt glass and smalt are made from silica and are not the same as cobalt blue, which is
a variety of means to achieve the glassy green silica look as well as mild radioactivity.
st, Mg-rich olivine does not occur stably with silica minerals, as it would react with them to form
iliceous rocks are sedimentary rocks that have silica (SiO2) as the principal constituent.
me variations of plaster that contain powdered silica or asbestos may present health hazards if inha
l bismuth and elemental sulfur in an evacuated silica tube at 500 °C for 96 hours.
BOP traffic includes silica sand, ballast, crushed stone, asphalt, scrap p
etween the two thecae is supported by bands of silica (girdle bands) that hold them together.
This overlapping region is reinforced with silica girdle bands, and constitutes a natural "expan
d (U.S. Route 522) and is the site of the U.S. Silica Company's Berkeley Springs plant.
The leaf tips (high in silica) can break off in the skin, leading to infecti
e mines was the Beeley Wood Mine, owned by the Silica Fire Brick Company and managed by J.T. Minnis
y of eliminating or reducing the solubility of silica particles by using small quantities of metalli
There was a big silica stone called 'Thamburattikkallu' at the place
Inhaled silica, (asbestos) can also be a cause.
It also precipitates colloidal silica, which can coat gastrointestinal mucosa confer
Inhaled silica can cause silicosis and (in very rare cases) c
why phosphorites are commonly associated with silica and chert.
components of the extract were isolated using silica gel chromatography, characterized and named as
at destruction from the mining of common sand, silica sand, clay, and lignite is a major threat.
Lithogenic silica (LSi) comes from the Greek words lithos, which
ee hydrogen atoms are able to bind to the SiO2 silica glass compound forming hydroxyl (OH) - a chemi
The amount of silica that constitutes a silicic rock is usually put
t of this village is a great source of special silica sand, containing high concentration of pure si
ntain andesine, hypersthene and augite, with a silica (SiO2) content greater than 60%.
and cheap alternative to cleaning water using silica particles covered in an active hydrocarbon.
Silica was decommissioned on 30 November 1945 and str
Likewise, the term dissolved silica is different from the term silicone, which is
However, The term dissolved silica is different from the silicate occurring as si
nd produced high altitude dusty debris full of silica, very different than what was produced by SL9.
Silica was driven aground in Buckner Bay on 9 October
ss, the sodium salt dissolving easily into the silica matrix during the firing of the initial melt.
Due to its fineness and thinness, fumed silica can easily become airborne, making it an inhal
Silica is emplaced around the organisms very rapidly,
The silica saturation eutectic plane is thus different fo
Harbour, has provided a source of high purity silica sand for glassmaking.
The most dense sima has less silica and forms ultramafic rocks.
y form from the recrystallisation of amorphous silica arising from different marine organisms after
s of high-porous polystyrene gels and reversed silica gels from a methanolic extract of many varieti
On freezing, silica precipitates from the sol, forming a gel.
A quartz cluster, crystalline silica, sourced from Tibet.
t about 277 °C (550 K) Me4Sn vapor reacts with silica to give Me3Sn-grafted solid.
In presence of silica, borosilicate glass can be formed at plastic b
Further drying precipitated the silica which hardened around the pebbles, trapping th
Silica monoliths have only been commercially availabl
ine sediments or be transferred into dissolved silica (DSi) in the water column.
in comparison to felsic lava, due to the lower silica content in mafic magma.
rough the channel where the DNA is adsorbed by silica surface in the presence of solutions with high
a good abrasive, and a common replacement for silica sand in sand blasting.
The primary mirror made from fused silica 8 in (200 mm) thick.
In silica, the index of refraction is dependent upon wav
Silica gel is sometimes used as a preservation tool t
Fine concrete dust contains silica which is very harmful to the lungs and can lea
neutral (in the second column), also sometimes silica gel is used to remove the unavoidable chelates
s its wavelength is not absorbed much by fused silica but is well absorbed by metals, making it suit
Dissolved silica (DSi) is the form of water soluble silica as s
Silica gel is not expected to biodegrade in either wa
Silica gel is also combined with alkali metals to for
Geyserite is a form of opaline silica that is often found around hot springs and gey
Silica fume is also produced and sold as an additive
Composite Thermal Superinsulator Incorporating Silica Aerogel," J. Wittenauer, S. Lovejoy, K. Benner
The Dinas Rock Silica Mines just to the east of Dinas Rock itself us
c pathway, phospholipid, an activator (such as silica, celite, kaolin, ellagic acid), and calcium (t
Fumed silica, also known as pyrogenic silica because it is
t 10-10/K at 5-35°C and contains as components silica and less than 10% titanium dioxide.
The water contains silica, calcium, lithium, iron, potassium, sodium and
ement formed the company in 1892 as Derbyshire Silica Firebrick Ltd to support WGI's gas development
Fumed silica is made from flame pyrolysis of silicon tetrac
High-grade silica, the main ingredient in glass was in abundance
dense, hard rock created from sand bound by a silica cement, making it a kind of silicified sandsto
duction of soda ash is earmarked for soda-lime silica glass manufacture, generally used in the flat
As a result of the exposure to silica dust, many workers developed silicosis, a debi
atoms are also a widespread source of biogenic silica in marine sediments.
particle with a gold core surrounded by a dyed silica gain medium, created by researchers from Purdu
at nodes, alkali metals in cages), as does the silica mineral melanophlogite (silicon at nodes, link
Because these fluids carry dissolved silica, iron, metals, halides and sulfur, the resulti
pened and operated one of the mines as a white silica sand mine to supply its plant in Oakland.
Tramways also served the silica rock mines and quarries, notably around Dinas
NMDC has taken over a Silica Sand mining and beneficiaton project from Utta
confluence is abundant evidence of the former silica rock mining industry.
ulpture by a European female artist; a 110-ton silica concrete monument.
bout 1 nm for zwitterionic lipids supported on silica, the most common experimental system.
There was also a silica quarry nearby at Waun y Llyn.
, chelating agents, resorcinol, ascorbic acid, silica pigments, nitric acid, and phenol.
r chemically from the micas in containing less silica and no alkalis, and from the chlorites in cont
Fumed silica is not listed as a carcinogen by OSHA, IARC, o
This is a cryptocrystalline form of silica, consisting of fine intergrowths of the minera
The silica content of phengite has been proposed as a geo
Percoll consists of colloidal silica particles of 15-30 nm diameter (23% w/w in wat
contains less food abrasive materials( such az silica because of feed selecting behavier in this ani
tic dissolution of opal sponge spicules led to silica enrichment of interstitial waters, which repre
The silica saturation of a rock varies not only with sili
'sial' was taken from the first two letters of silica and of aluminium.
) transparent dielectric spheres such as fused silica spheres, oil or water droplets, are used in th
heat by carbon phenolic ablative material and silica tiles on its outer surface.
ter transferring what remained of her cargo to Silica (IX-151) on 11 September, Ascella embarked 53
rticles may break down to produce a mixture of silica sand or silt particles and clay.
which is extracted either via adsorption onto silica gel or by distillation.
Electroosmotic pumps are fabricated from silica nanospheres or hydrophilic porous glass, the p
Hard-clad silica (HCS) or polymer-clad fiber (PCF) is an optica
LSi is silica that originates from terrestrial sources of ro
The word "glass" is borrowed from the term for silica and other materials that are disordered and ac
acid may bind (adsorption) to the solid phase ( silica or other) depending on the pH and the salt con
The initial batch is melted together from silica, copper oxide, and other metal oxides to chemi
t of granular fusible flux consisting of lime, silica, manganese oxide, calcium fluoride, and other
silicate (inosilicate), with double chains of silica tetrahedra parallel to the c crystal axis.
compounds has not been elucidated yet for the silica hydride phases.
Upon slowing down in the silica, the positrons captured ordinary electrons to
These ordered silica spheres produce the internal colors by causing
A former quarrying village, quicklime and silica brick production centre, its fortunes rose and
a-minerals, like silicic Feldspar or even free silica as Quartz.
at least seven different crystalline forms of silica, including quartz.
d be completely destroyed, producing amorphous silica and releasing Fe.
The silica is removed by leaching and the sesquioxides of
⅓P2O5)+2H2O, i.e. thorite in which part of the silica is replaced by phosphoric acid.
e Parengarenga area holds the region's largest silica sand resource by far.
igh grade metamorphism in environments poor in silica and rich in magnesium and aluminium.
of lithium, and is converted to spodumene and silica by roasting.
Radiolarite or radiolarian chert is a high silica sedimentary rock which may be considered a var
spreading of sub standard cannabis containing silica, a sand like substance that when inhaled cause
Mg-olivine + water + silica → serpentine
Molten silica exhibits several peculiar physical characteris
mode is the preservation of microorganisms in silica, in shallow Precambrian waters.
nce including breccia containing melted rocks, silica glass, shatter cones and shocked quartz., Dril
ing catalysts contain platinum or rhenium on a silica or silica-alumina support base, and some conta
There are advantages in doing this over using silica fiber since the POF can be stretched further w
all remaining structures in order to mine the silica on site.
Silica is soluble in water at high temperatures formi
At micro scales precious opal is composed of silica spheres some 150 to 300 nm in diameter in a he
avelength optical wire, subwavelength-diameter silica wire, subwavelength diameter fibre taper
The warm waters are rich in minerals like silica and sulphur and bathing in the Blue Lagoon is
nd to polyamines that have been grafted onto a silica gel surface producing a material of greater me
ral drying during a brief arid period drew out silica from surrounding rocks into the water immersin
posits are in sharp contrast to the grey-white silica sinter surrounding Champagne Pool.
s terrace is the Artist's Palette, a 10,000 m² silica sinter terrace covered with clear blue alkali
2O) content or with a molar ratio of alkali to silica greater than 1:6.
eochemical data that suggests the flow is more silica rich than the cinders and based on the observa
own a hill slope, leaving thick pink and white silica deposits that formed terraces enclosing pools
Because of its high silica content, the Kieselkalk is much less susceptib
The methods of glass-blowing and of working silica in the oxy-gas flame (Longmans, Green, 1916)
The discovery of opaline silica by the Mars Rovers on the surface also suggest
ined by the incorporation of Na demanding more silica in the feldspar lattice.
The canes contain silica, perhaps the reason for their durability, and
here silicon tetrachloride is oxidized to pure silica in the presence of oxygen.
and agents that cause physical damage such as silica or the urate crystals that occur in gout.
se can be formed which in turn releases enough silica for the myrmekite vermicules.
neutralize the charge on any residual exposed silica on the stationary phase and act as ion pairing
This erosion released iron and silica into the waters of a new sea.
his point, organisms such as sponges extracted silica from the oceans in order to construct tests (s
Silica in this form can be a cost effective way for r
ymerise the silicic acid to so-called biogenic silica, used to construct their cell walls (called fr
of anhydrite leaving a void which allowed the silica crystals to grow.
Chemically, basanites are low in silica (42 to 45 % SiO2) and high in alkalis (3 to 5.
The combination of silica, coal to fire the furnaces and skilled craftsm
nesium, manganese, calcium, sodium, potassium, silica, sulfate, total phosphate, fluoride, and radio
nd contained enstatite, kamacite, niningerite, silica, schreibersite, troilite, albite, and daubreel
d to purify nucleic acid using glass powder or silica beads under alkaline conditions.
e of hard sandstone used in the manufacture of silica bricks used to line industrial furnaces.
also a variant spelling of phengite, the high silica muscovite variety.
The silica is very hard, which led to use being made of p
free from impurities, as phosphorus, sulphur, silica, it was much used in the Bessemer process for
An economically valuable deposit of silica sand was worked near Pwll Byfre for many years
ction of the tunnel, workers found the mineral silica and were asked to mine it for use in electropr
nes the rare and delicate fossils preserved in silica that were discovered and rescued during the co
Within the silica, these were long lived enough to interact, for
There are also pockets of silica sand where the gritstone has been intensively
more aluminium and alkali ions than available silica tetrahedra, which is why essexites crystallise
is noted for its whitish sand (due to the high silica content), which has extensive use in glass and
sed of late Cretaceous quartz sandstones, i.e. silica but with traces of other heavy minerals, garne
tones and clays which have been impregnated by silica at Wurt Pit.
                                                                                                    


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