Kerala – Wikipedia

A Keralite identity, distinct from the Tamils, became linguistically separate during this period. For the local administration, the empire was divided into provinces under the rule of Naduvazhis, with each province comprising a number of Desams under the control of chieftains, called as Desavazhis.

PatentStorm – Integrated staged catalytic cracking and hydroprocessing process – US Patent 5582711 Description

As the prior art demonstrates, known catalytic cracking processes which have been integrated with hydrotreating processes are effective in significantly increasing the octane level of the gasoline product.

GUIANA (Guyana, Guayana') – Online Information article about GUIANA (Guyana, Guayana')

Originally appearing in Volume V12, Page 683 of the 1911 Encyclopedia Britannica. General name given in its The origin of the name is somewhat obscure, and has been variously interpreted. Church supplies the following. I cannot confirm the. Schomburgk that Guayana ' received its name from a small.

Ceramic Arts Daily – Glossary

The process of returning dry unfired clay to a slip by soaking in water. A repair medium for bone-dry greenware, made of equal parts vinegar and corn syrup mixed with dry powdered claybody to the desired consistency.

V&A – Masterpieces of ceramics through the ages – Victoria and Albert Museum

This early ewer was made from the same kaolin-rich clay as porcelain. Kaolin is more resistant to heat than other clays. Composed of powdered quartz rather than clay, faience was moulded or modelled by hand.

Old And Sold Antiques Auction & Marketplace – China

The great plasticity of the clay mixture when it contains an high percentage of kaolin renders the utmost care necessary to avoid mishaps before drying and firing. When deposits of kaolin were discovered in Europe, the kaolin was made use of.

The Kansas Geological Survey – Four Clays from the Dakota Formation – Ceramic Properties – KGS

The causes for these differences are complex and will be discussed in the last section, but it should be noted in connection with the presentation of the ceramic data that coarse-grained clays like EL-60-6, made up almost entirely of pure kaolinite and pure quartz and containing a very small percentage of fluxes, shrin…

Ceramic Industry – Evaluating Clays – PPP

If the clay contains a lot of quartz sand, remember that these particles expand and contract suddenly as they pass upward and downward through the quartz inversion phase (about 1050°F) during firing, producing micro-cracks around each grain in the rigid fired matrix.

Soil mechanics – Wikipedia

Owing to the stability of quartz compared to other rock minerals, quartz is the most common constituent of sand and silt. The most common mineral constituent of silt and sand is quartz, also called silica, which has the chemical name silicon dioxide.

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