feldspars crystallize from magma as veins in both intrusive and extrusive igneous rocks and are also present in many types of metamorphic rock. rock formed almost entirely of calcic plagioclase feldspar is known as anorthosite. feldspars are also found in many types of sedimentary rocks.
hard-paste porcelain, sometimes 'true porcelain', is a ceramic material that was originally made from a compound of the feldspathic rock petuntse and kaolin fired at very high temperature, usually around 1400 c. it was first made in china around the 7th or 8th century, and has remained the most common type of chinese porcelain.
urschel laboratories inc. is a global retailer of food-processing machinery, based in chesterton, indiana.the company was founded by william urschel in 1910, after he invented a gooseberry snipper. the company's headquarters were located on south napoleon street in valparaiso, indiana, from 1910 until 1957, when a new plant was constructed on calumet avenue, also in valparaiso.
covema srl was a historic italian company specializing in the design of plastic processing machinery, based in milan, via fontana 1.founded in 1953 by the terragni brothers, it also included the companies corima spa, gbf spa, gbf iberica, riap srl, firs spa, covepla spain specialized in thermosetting machines , italproducts srl, omam spa, tpa srl, agripak srl, floraplant srl, interfinance sa .
myrmekite describes a vermicular, or wormy, intergrowth of quartz in plagioclase.the intergrowths are microscopic in scale, typically with maximum dimensions less than 1 millimeter. the plagioclase is sodium-rich, usually albite or oligoclase.these quartz-plagioclase intergrowths are associated with and commonly in contact with potassium feldspar. .
meyn food processing technology or simply meyn is a supplier of poultry processing services. the principal activity of meyn is the manufacturing of poultry processing equipment for poultry processing plants. they operate in over ninety countries worldwide and on all continents including europe, north america, latin america, asia, and africa.
formed at the initiative of the citizens of rivière-à-pierre, interpretation center, which began operations in the summer of 2002, highlights the granite which is a plutonic rock composed of quartz, mica and feldspar crystallized in form of grains visible to the eye.
the microprocessor complex is a protein complex involved in the early stages of processing microrna mirna in animal cells. the complex is minimally composed of the ribonuclease enzyme drosha and the rna-binding protein dgcr8 also known as pasha and cleaves primary mirna substrates to pre-mirna in the cell nucleus.