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Rausand M, Høyland A. System Reliability Theory – Models, Statistical Methods, and Applications. 2nd ed. Hoboken, New Jersey, USA: John Wiley & Sons, Inc.; 2004 Suneesh, C. V. et al. Mechanistic studies of photoinduced intramolecular and intermolecular electron transfer processes in RuPt-centred photo-hydrogen-evolving molecular devices. Phys. Chem. Chem. Phys. 16, 1607–1616 (2014). Our Repair Hair oil contains natural ingredients and ayurvedic extracts to help in repairing and nourishing your hair. This oil has everything your hair needs. It reduces hair loss and conditions and nurtures hair.TRIPLE CORRECTION OF WRINKLES, RADIANCE, AND SKIN TEXTURE. TECHNOLOGIES CHOSEN FOR THEIR ABILITY TO INCREASE SKIN FIRMNESS AND COMPLEXION RADIANCE. As with MFDT, MTTR is also an abbreviation that may have several different meanings. Within the oil and gas industry, the letters used in the abbreviation could refer to several terms which all make sense within the area of analysis, and may thus cause analytic ambiguity. The “TT” term consistently refers to “time to.” However, the two other letters are found highly inconsistent in use. “M” could refer to “minimum,”“mean” or “maximum” and likewise the “R” term could also refer to different meaningful words, such as “repair,”“recovery,”“respond” or “restore/restoration.” It is therefore sometimes confusing when the abbreviation is not explicitly defined. Kim, D., Whang, D. R. & Park, S. Y. Self-healing of molecular catalyst and photosensitizer on metal–organic framework: robust molecular system for photocatalytic H 2 evolution from water. J. Am. Chem. Soc. 138, 8698–8701 (2016). The expectation of the fault detection time is called the “mean fault detection time” and is abbreviated as the “MFDT” (see e.g., [ 21]). For immediately revealed failures, the value of MFDT is equal to zero and negligible for failures with short detection time. Otherwise, this value strongly depends on the test policy for the equipment. For hidden failures, the detection time may represent the main part of the downtime.

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