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Niter and colour case. In the nitre bluing process, polished and cleaned steel parts are immersed in a bath of molten salts—typically potassium nitrate and sodium nitrate (sometimes with 9.4 grams (0.33 oz) of manganese dioxide per pound of total nitrate). The mixture is heated to 310 to 321 °C (590 to 610 °F) and the parts are suspended in ...
Niter or nitre [5] is the mineral form of potassium nitrate, KNO 3.It is a soft, white, highly soluble mineral found primarily in arid climates or cave deposits. Historically, the term niter was not well differentiated from natron, both of which have been very vaguely defined but generally refer to compounds of sodium or potassium joined with carbonate or nitrate ions.
Advanced Placement (AP) Psychology (also known as AP Psych) and its corresponding exam are part of the College Board's Advanced Placement Program. This course is tailored for students interested in the field of psychology and as an opportunity to earn Advanced Placement credit or exemption from a college -level psychology course.
Bluing (steel) is a passivation process in which steel is partially protected against rust Bluing may also refer to: Bluing (fabric), a blue dye used to improve the appearance of fabrics; Bluing (hair), a blue dye used to improve the appearance of hair "bluing" of machine parts to check for tolerances, see engineer's blue
Humanistic psychology; Individual psychology; Industrial psychology; Liberation psychology; Logotherapy; Organismic psychology; Organizational psychology; Phenomenological psychology; Process psychology; Psychoanalysis; Psychohistory; Psychology of self; Radical behaviorism - often considered a school of philosophy, not psychology; Social ...
A-process refers to the one of the emotional internal processes or responses of the opponent-process theory. The A-process is largely responsible for the initial, usually fast and immediate, emotional reaction to a stimulus. The theory considers it a primary process which may be affectively positive or negative, but never neutral. [2]
Neither Suboxone nor methadone is a miracle cure. They buy addicts time to fix their lives, seek out counseling and allow their brains to heal. Doctors recommend tapering off the medication only with the greatest of caution. The process can take years given that addiction is a chronic disease and effective therapy can be a long, grueling affair.
A nitre bed is a similar process used to produce nitrate from excrement. Unlike the leaching-based process of the nitrary, however, one mixes the excrements with soil and waits for soil microbes to convert amino-nitrogen into nitrates by nitrification. The nitrates are extracted from soil with water and then purified into saltpeter by adding ...