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diatomite

n. 硅藻土

矽藻土

WordNet (r) 3.0 (2006) (WordNet)

diatomite
n 1: a light soil consisting of siliceous diatom remains and
often used as a filtering material [synonym: {diatomaceous
earth}, {diatomite}, {kieselguhr}]

The Collaborative International Dictionary of English v.0.48 (gcide)

Infusorial \In`fu*so"ri*al\, a. (Zool.)
Belonging to the Infusoria; composed of, or containing,
Infusoria; as, infusorial earth.
[1913 Webster]

{Infusorial earth} (Geol.), a deposit of fine, usually white,
siliceous material, composed mainly of the shells of the
microscopic plants called diatoms; also called
{diatomaceous earth}, {kieselguhr}, and {diatomite}. It is
used in polishing powder, and in the manufacture of
dynamite.
[1913 Webster PJC]

diatomaceous earth \di`a*to*ma"ceous earth`\ (Geol.),
a deposit of fine, usually white, siliceous material,
composed mainly of the shells of the microscopic plants
called diatoms; also called {infusorial earth}, {kieselguhr},
and {diatomite}. It is used in polishing powder, and in the
manufacture of dynamite.
[1913 Webster PJC]

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Diatomaceous earth - Wikipedia
Diatomaceous earth ( ˌdaɪ ətəˈmeɪʃəs DY-ə-tə-MAY-shəs), also known as diatomite ( daɪˈætəmaɪt dy-AT-ə-myte), celite, or kieselguhr, is a naturally occurring, soft, siliceous sedimentary rock that can be crumbled into a fine white to off-white powder
Diatomite : Properties, Formation, Compositions, Uses . . .
Diatomite is a sedimentary rock that has a biological origin, meaning it is formed from the accumulated remains of microscopic organisms The primary contributors to diatomite formation are diatoms, which are single-celled algae with a unique cell wall made of silica
Diatomite and Diatomaceous Earth - Geology. com
Diatomite is a friable light-colored sedimentary rock that is mainly composed of the siliceous skeletal remains of diatoms It is a very porous rock with a fine particle size and a low specific gravity
What is Diatomite and How is it Used? - Live to Plant
Diatomite, also known as diatomaceous earth, is a naturally occurring, soft, sedimentary rock that is composed primarily of the fossilized remains of tiny aquatic organisms called diatoms
Diatomaceous earth | Uses, Benefits Safety | Britannica
Under a high-powered microscope the form of the diatoms can be distinguished When well hardened, it is called diatomite Similar siliceous rocks, called radiolarian earth and radiolarite, are formed from the latticelike opaline skeletons of Radiolaria
Exploring Diatomite: The Essential Mineral Found in Everyday . . .
What is Diatomite? Diatomite, also known as diatomaceous earth, is a soft, friable, and light-colored sedimentary rock composed mainly of the fossilized remains of diatoms—microscopic, single-celled algae with silica-based cell walls
Diatomite (Diatomaceous Earth): Global Perspectives on . . .
Diatomite (diatomaceous earth) is a biogenic siliceous sedimentary material composed of fossilized diatom frustules, notable for its high porosity, low density, and structural regularity This study provides a comprehensive synthesis of global diatomite geology, processing, and applications, emphasizing its growing role in sustainable and high-technology sectors Major producing countries such
Diatomite Statistics and Information | U. S. Geological Survey
Diatomite is a chalk-like, soft, friable, earthy, very fine-grained, siliceous sedimentary rock, usually light in color (white if pure, commonly buff to gray in situ, and rarely black)
Diatomaceous earth - Sedimentary Rocks - Sandatlas
Diatomaceous earth or diatomite is a light-colored sedimentary rock composed chiefly of siliceous shells (frustules) of diatoms Diatomaceous earth is a soft and friable rock
Diatomaceous Earth or Diatomite - Uses, Benefits, and How It . . .
Diatomite is found under various soil layers in locations where seas or lakes once existed The high content of organic silicon and calcium in these fossilized diatoms gives diatomite its characteristic white color

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