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The kilopound per square inch (ksi) is a scaled unit derived from psi, equivalent to a thousand psi (1000 lbf/in 2). ksi are not widely used for gas pressures. They are mostly used in materials science, where the tensile strength of a material is measured as a large number of psi. [4] The conversion in SI units is 1 ksi = 6.895 MPa, or 1 MPa ...
Psi function can refer, in mathematics, to the ordinal collapsing function ...
+1.9 psi High air pressure for human lung, measured for trumpet player making staccato high notes [48] < +16 kPa +2.3 psi Systolic blood pressure in a healthy adult while at rest (< 120 mmHg) (gauge pressure) [44] +19.3 kPa +2.8 psi High end of lung pressure, exertable without injury by a healthy person for brief times [citation needed] +34 kPa ...
5.7 Mathematics. 5.8 Physics and chemistry. 5.9 Psychology. 6 Other uses. ... Psi Division, division in the Judge Dredd and 2000 AD series of comics; Psi-Force, comic ...
A mathematical constant is a key number whose value is fixed by an unambiguous definition, often referred to by a symbol (e.g., an alphabet letter), or by mathematicians' names to facilitate using it across multiple mathematical problems. [1]
The official logo of the TAKS test. Mainly based on the TAAS test's logo. The Texas Assessment of Knowledge and Skills (TAKS) was the fourth Texas state standardized test previously used in grade 3-8 and grade 9-11 to assess students' attainment of reading, writing, math, science, and social studies skills required under Texas education standards. [1]
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the J/psi mesons in particle physics; the stream function in fluid dynamics; the reciprocal Fibonacci constant [69] the second Chebyshev function in number theory [70] the polygamma function in mathematics [71] the supergolden ratio [72] In circadian physiology, ψ represents the phase relationship between a zeitgeber and a biological rhythm. [73]