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Ultra-high vacuum (often spelled ultrahigh in American English, UHV) is the vacuum regime characterised by pressures lower than about 1 × 10 −6 pascals (1.0 × 10 −8 mbar; 7.5 × 10 −9 Torr). UHV conditions are created by pumping the gas out of a UHV chamber.
Ion pumps are commonly used in ultra-high vacuum (UHV) systems, as they can attain ultimate pressures less than 10 −11 mbar. [1] In contrast to other common UHV pumps, such as turbomolecular pumps and diffusion pumps, ion pumps have no moving parts and use no oil. They are therefore clean, need little maintenance, and produce no vibrations.
UHV may refer to: Ultra-high vacuum, the vacuum regime characterised by pressures lower than about 10 −7 pascal; Ultra-high voltage, a classification of overhead power line with an operating voltage of higher than 800 kV; University of Houston–Victoria, a university in Victoria, Texas, US
The Four Right Exertions (also known as, Four Proper Exertions, Four Right Efforts, Four Great Efforts, Four Right Endeavors or Four Right Strivings) (Pali: sammappadhāna; Skt.: samyak-pradhāna or samyakprahāṇa) are an integral part of the Buddhist path to Enlightenment (understanding). Built on the insightful recognition of the arising ...
Ultra-high-voltage electricity transmission (UHV electricity transmission) has been used in China since 2009 to transmit both alternating current (AC) and direct current (DC) electricity over long distances separating China's energy resources and consumers. Expansion of both AC and DC capacity continues in order to match generation to ...
Right Here Right Now is a short film written and directed by Anand Gandhi. It earned critical acclaim and wide audience appreciation in the following years at the Indo-British Film and Video Festival. It has achieved a near-cult status in the Indian parallel cinema.
Jeffrey R. Di Leo is a Professor of English and Philosophy at the University of Houston–Victoria. [1] He is editor and founder of the critical theory journal symplokē, [2] editor-in-chief of the American Book Review, [3] and Executive Director of the Society for Critical Exchange and its Winter Theory Institute.
Like awe, it is an emotion in its own right, and can be felt outside of the realm of religion. [ 2 ] Whereas awe may be characterized as an overwhelming " sensitivity to greatness," reverence is seen more as "acknowledging a subjective response to something excellent in a personal ( moral or spiritual ) way, but qualitatively above oneself". [ 3 ]