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Natrolite is a mineral series in the zeolite group ; this sample has a very prominent acicular crystal habit.
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is and mineral
Drug is added to either a protein or mineral supplement for a period of 7 or 14 days.
References are given at the end of each mineral description and a general index is given at the end of each volume.
`` The planet is very low in radiation from mineral deposits, and the atmosphere seems to shield out most of the solar output.
The state economy in the 21st century is dependent on management, finance, manufacturing, aerospace, mineral extraction, healthcare, education, retail, and technology.
A lustrous gray metalloid, it is found in nature mainly as the sulfide mineral stibnite ( Sb < sub > 2 </ sub > S < sub > 3 </ sub >).
Even though this element is not abundant, it is found in over 100 mineral species.
Antimony is sometimes found natively, but more frequently it is found in the sulfide stibnite ( Sb < sub > 2 </ sub > S < sub > 3 </ sub >) which is the predominant ore mineral.
Armenia is a food importer, and its mineral deposits ( gold, bauxite ) are small.
Between the Cotton Belt and the Tennessee Valley is the mineral region, the Old Land area — a region of resistant rocks — whose soils, also derived from weathering in silu, are of varied fertility, the best coming from the granites, sandstones and limestones, the poorest from the gneisses, schists and slates.
North of the mineral region is the Cereal Belt, embracing the Tennessee Valley and the counties beyond, whose richest soils are the red clays and dark loams of the river valley ; north of which are less fertile soils, produced by siliceous and sandstone formations.
The hardness of the mineral is the same as quartz, thus it is suitable for use in jewelry.
Their type mineral is highgate copalite.
Amber's place in culture and tradition lends it a tourism value ; Palanga Amber Museum is dedicated to the mineral.
The Alabama River's main tributary, the Coosa River, crosses the mineral region of Alabama and is navigable for light-draft boats from Rome, Georgia, to about above Wetumpka ( about below Rome and below Greensport ), and from Wetumpka to its junction with the Tallapoosa.
The first deposit on the wall of a cavity, forming the " skin " of the agate, is generally a dark greenish mineral substance, like celadonite, delessite or " green earth ", which are rich in iron probably derived from the decomposition of the augite in the enclosing volcanic rock.
Amazonite is a mineral of limited occurrence.
Analcime or analcite ( from the Greek analkimos-" weak ") is a white, grey, or colourless tectosilicate mineral.
Analcime is usually classified as a zeolite mineral, but structurally and chemically it is more similar to the feldspathoids.
If used for drinking, mineral supplements or mineralization is necessary.
Amblygonite is a fluorophosphate mineral, ( Li, Na ) AlPO < sub > 4 </ sub >( F, OH ), composed of lithium, sodium, aluminium, phosphate, fluoride and hydroxide.
is and series
Let us quote once more from R. G. Collingwood: `` History is properly concerned with the actions of human beings Regarded from the outside, an action is an event or series of events occurring in the physical world ; ;
This is a radical change in attitude from the conditions which prevailed several years ago, when a series of bombings was directed against Negroes who were moving into previously all-white neighborhoods of Dallas.
RCA Victor has an ambitious and useful project in a stereo series called `` Adventures In Music '', which is an instructional record library for elementary schools.
Pauling's estimate of 200 megatons yield from the present series of Russian tests will probably turn out to be too high, but a total of 100 megatons is a distinct possibility.
Secondly, a whole series of addresses and actions by the Pope and by others show that concern for Christian unity is still very much alive and growing within the Church.
Using Edgerton's method, the fast-closing action is obtained from the blackening of a window by exploding a series of parallel lead wires.
The exercise I shall discuss in this -- the first of a new series of articles on muscle definition-specialization of a particular body part -- is the One Leg Lunge.
A tsunami is not a single wave but a series.
Hypothesizing a series of developmental stages that begin in the individual's infancy and end in his old age, Erikson has indicated that the adolescent is faced with a series of identity crises.
In a series of fairy tales and fantasies, Melies demonstrated that the film is superbly equipped to tell a straightforward story, with beginning, middle and end, complications, resolutions, climaxes, and conclusions.
Physically, a movie is possible because a series of images is projected one at a time at such a speed that the eye `` remembers '' the one that has gone before even as it registers the one now appearing.
Perhaps the Pirate who will be the unhappiest over the news that Musial probably will sit out most of the series is Bob Friend, who was beaten by The Man twice last season on dramatic home runs.
The series of ballets is sponsored by the Milenoff Ballet Foundation, Inc., a non-profit foundation with headquarters in Coral Gables.
The Leningrad Kirov Ballet, which opened a series of performances Friday night at the Opera House, is, I think, the finest `` classical '' ballet company I have ever seen, and the production of the Petipa-Tschaikowsky `` Sleeping Beauty '' with which it began the series is incomparably the finest I have ever had the pleasure of witnessing.
About that same time John Crosby's TV series on the popular arts proved again that giving jazz ample breathing space is one of the most sensible things a producer can do.
London explains that the very distinct directional effect in the Phase 4 series is due in large part to their novel methods of microphoning and recording the music on a number of separate tape channels.
This is not only a compliment to Mijbil, of whom there are a fine series of photographs and drawings in the book, but to the author who has catalogued the saga of a frightened otter cub's journey by plane from Iraq to London, then by train ( where he lay curled in the wash basin playing with the water tap ) to Camusfearna, with affectionate detail.
This music is characterized by a large technical research and focuses mainly on twelve long Noubate " series ", its main instruments are the mandolin, violin, lute, guitar, zither, flute and piano.
A series of linked carbon atoms is known as the carbon skeleton or carbon backbone.
is and zeolite
The microporous molecular structure of the zeolite ZSM-5 is exploited in catalysts used in refineries
It is found in many different minerals, some very soluble, such as halite and natron, others much less soluble such as amphibole, and zeolite.
Though not a zeolite, it is found associated with minerals such as datolite, calcite, apophyllite, stilbite, laumontite, heulandite etc.
The maximum size of the molecular or ionic species that can enter the pores of a zeolite is controlled by the dimensions of the channels.
Currently, the world ’ s annual production of natural zeolite is about 3 million tonnes.
One of the important processes used to carry out zeolite synthesis is sol-gel processing.
It is also possible to manufacture desirable zeolite structures which do not appear in nature.
The largest single use for zeolite is the global laundry detergent market.
Synthetic zeolite is also being used as an additive in the production process of warm mix asphalt concrete.
The zeolite is used as a molecular sieve to create purified oxygen from air using its ability to trap impurities, in a process involving the adsorption of nitrogen, leaving highly purified oxygen and up to 5 % argon.
QuikClot brand hemostatic agent, which is used to stop severe bleeding, contains a calcium-loaded form of zeolite.
In agriculture, clinoptilolite ( a naturally occurring zeolite ) is used as a soil treatment.
Where and how the zeolite was formed is an important consideration for aquariums.
Non-clumping cat litter is often made of zeolite or diatomite.
The dealumination process is done by treating the zeolite with steam at elevated temperatures, typically greater than.
This high temperature heat treatment breaks the aluminum-oxygen bonds and the aluminum atom is expelled from the zeolite framework.
The adsorption chamber of the chiller is filled with a solid material ( for example zeolite, silica gel, alumina, active carbon and certain types of metal salts ), which in its neutral state has adsorbed the refrigerant.
The most widely available member of this class of membranes is that based on zeolite A.
The zeolite mineral phillipsite is named for him.
A zeolite deposit is exploited in the district.
Non-clumping cat litter is often made of zeolite, diatomite and sepiolite.
Using internal buffers and pollutant absorbers, such as silica gel, activated carbon, or zeolite, is a good way to control RH and pollutants.
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