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For example, two identical transparent gratings of 50% duty cycle and the same orientation will appear fully opaque only if the relative phase is π (180 degrees). Gratings with sine wave profiles are used extensively in optics to determine the transfer functions of lenses. A lens will form an image of a sine wave grating that is still ...
A Rinne test should always be accompanied by a Weber test to also detect sensorineural hearing loss and thus confirm the nature of hearing loss. The Rinne test was named after German otologist Heinrich Adolf Rinne (1819–1868); [ 3 ] [ 4 ] the Weber test was named after Ernst Heinrich Weber (1795–1878).
The Weber number is the dimensionless parameter that determines the onset of this phenomenon called the entrainment limit (Weber number greater than or equal to 1). In this case the Weber number is defined as the ratio of the momentum in the vapor layer divided by the surface tension force restraining the liquid, where the characteristic length ...
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Its emphasis on the importance of one's calling encouraged the differentiation of life-spheres, while its rationality favoured an emphasis on natural law [8] – further aspects enhancing the impact Weber postulated such asceticism had upon the development of capitalism, [9] or rather the particular type of capitalism Weber saw as marked by ...
Rationalists are prone to favor Weber's value rationality. They assume a human deductive capacity for immediate knowledge of meaningful beliefs and behaviors—fact-free human ends. Empiricists, by contrast, favor Weber's instrumental rationality. They assume a human inductive capacity to recognize how brute facts work as value-free means.
Replica of the original 1951 Weber kettle grill. George A. Stephen Sr. (February 26, 1921 – February 11, 1993 [1] [2]) was an American inventor, entrepreneur, and the founder of Weber-Stephen Products Co., the company best known for the manufacturing of charcoal and gas grills.
Charismatic authority grows out of the personal charm or the strength of an individual personality. [2] It was described by Weber in a lecture as "the authority of the extraordinary and personal gift of grace (charisma)"; he distinguished it from the other forms of authority by stating "Men do not obey him [the charismatic ruler] by virtue of tradition or statute, but because they believe in him."