Images(2). Claims(16). 1. A method for producing a quartz glass crucible for pulling up silicon single crystals, comprising the following steps: (a) forming a pre-molding by feeding powdered silicon dioxide into a mold, and by then forming it into a layer along an inner surface of the mold;escription. The present invention relates to a quartz glass crucible for use in pulling up silicon single crystals and to a method for producing the crucible. In further detail, it relates to a quartz glass crucible comprising a rotatable mold of an open-top type, and to a method for producing the mold.
The Taraweeh Prayer is a sunnah al-muakkada. The shortest is two rakats and the longest is twenty rakats. However, during the time of Umar b. Abdulaziz, the people of Medina observed the Taraweeh Prayer for thirty-six rakats. (Fathuâl Bari, v.4, p.220)
The insects suck the sap of the tree and excrete  sticklac  almost constantly. The least coloured shellac is produced when the insects feed on the kusum tree (Schleichera). The number of lac bugs required to produce 1 kilogram (2.2 lb) of shellac has variously been estimated as 50,000, 200,000, or 300,000. The root word lakh is a South Asian unit for 100,000 and presumably refers to the huge numbers of insects that swarm on host trees, up to 150 per square inch.