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The pulp is the neurovascular bundle central to each tooth, permanent or primary.It is composed of a central pulp chamber, pulp horns, and radicular canals. The large mass of the pulp is contained within the pulp chamber, which is contained in and mimics the overall shape of the crown of the tooth. [2]
Pulp capping is a technique used in dental restorations to protect the dental pulp, after it has been exposed, or nearly exposed during a cavity preparation, from a traumatic injury, or by a deep cavity that reaches the center of the tooth, causing the pulp to die. [1]
The pulp produced up to this point in the process can be bleached to produce a white paper product. The chemicals used to bleach pulp have been a source of environmental concern, and recently the pulp industry has been using alternatives to chlorine, such as chlorine dioxide, oxygen, ozone and hydrogen peroxide.
The sapwood is easier to pulp. [19] due to a more open structure and less content of extractive than the heartwood. The fibre length of sapwood is generally longer than the fibre length of heartwood. The sapwood is also normally lighter and that is an advantage when producing mechanical pulp as less bleaching of wood pulp is needed.
"Common People" is a song by English alternative rock band Pulp, released in May 1995 by Island Records as the lead single from their fifth studio album, Different Class (1995). It reached No. 2 on the UK Singles Chart, becoming a defining track of the Britpop movement as well as Pulp's signature song. [2]
The pulp can also be bleached to produce white paper, but this consumes 5% of the fibres. Chemical pulping processes are not used to make paper made from cotton, which is already 90% cellulose. Chemical pulping processes are not used to make paper made from cotton, which is already 90% cellulose.
A worker feeding rags into the rag breaking machine in a paper factory in Scotland (1918) A trolley laden with boiled rags The paper being cut to size Cotton paper, also known as rag paper or rag stock paper, is made using cotton linters (fine fibers which stick to the cotton seeds after processing) or cotton from used cloth (rags) as the primary material.
Pulp (paper), the fibrous material used to make paper Dissolving pulp, highly purified cellulose used in fibre and film manufacture; Molded pulp, a packaging material; Ore pulp, a mixture of finely ground ore, water, and chemicals used in the froth flotation process for mineral processing.