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One ton of iris root produces two kilos of essential oil, also referred to as orris root butter or butter of iris, and it is the most expensive substance used in the fragrance industry. [7] Its fragrance has been described as tenaciously flowery, heavy and woody (paraphrasing Pavia , Dutch translation, page 40).
Irones are a group of methylionone odorants used in perfumery, derived from iris oil, [1] e.g. orris root. The most commercially important of these are: (-)-cis-γ-irone, and (-)-cis-α-irone; Irones form through slow oxidation of triterpenoids in dried rhizomes of the iris species, Iris pallida. Irones typically have a sweet floral, iris ...
In science and engineering, root cause analysis (RCA) is a method of problem solving used for identifying the root causes of faults or problems. [1] It is widely used in IT operations, manufacturing, telecommunications, industrial process control, accident analysis (e.g., in aviation, [2] rail transport, or nuclear plants), medical diagnosis, the healthcare industry (e.g., for epidemiology ...
Sentinel events can be caused by major mistakes and negligence on the part of a healthcare provider, and are closely investigated by healthcare regulatory authorities. Sentinel events are identified under The Joint Commission (TJC) accreditation policies to help aid in root cause analysis and to assist in development of preventive measures. The ...
Iris is a flowering plant genus of 310 accepted species [1] with showy flowers.As well as being the scientific name, iris is also widely used as a common name for all Iris species, as well as some belonging to other closely related genera.
Iris sibirica, commonly known as Siberian iris or Siberian flag, is a species of flowering plant in the family Iridaceae.It is a rhizomatous herbaceous perennial, from Europe (including France, Italy, Switzerland, Austria, Czech Republic, Slovakia, Germany, Hungary, Poland, Romania, Bulgaria, Former Yugoslavia, Belarus, Estonia, Latvia, Lithuania, Moldova, Ukraine and northern Turkey) and ...
Aristotle defines the end, purpose, or final "cause" (τέλος, télos) [16] as that for the sake of which a thing is done. [20] Like the form, this is a controversial type of explanation in science; some have argued for its survival in evolutionary biology, [21] while Ernst Mayr denied that it continued to play a role. [22]
Root cause analysis, a problem solving technique Topics referred to by the same term This disambiguation page lists articles associated with the title Root cause .