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The word was popularized in the 1964 film Mary Poppins, [4] in which it is used as the title of a song and defined as "something to say when you don't know what to say". The Sherman Brothers , who wrote the Mary Poppins song, have given several conflicting explanations for the word's origin, in one instance claiming to have coined it themselves ...
252 Cf is a very strong neutron emitter, which makes it extremely radioactive and harmful. [24] [25] [26] 252 Cf, 96.9% of the time, alpha decays to curium-248; the other 3.1% of decays are spontaneous fission. [11] One microgram (μg) of 252 Cf emits 2.3 million neutrons per second, an average of 3.7 neutrons per spontaneous fission. [27]
In more recent usage, "cf." indicates greater uncertainty than a question mark. [2]: 223–224 V. (short for the Latin: vidimus, meaning "we have seen") means that the author inspected the original type specimens and are basing their statements on first-hand experience. Sometimes the opposite is expressed as "non v."
An Instagram user may say, "S/U for more pix from the event." Scrolling up gives the user a better look at all the pictures. Friends parting ways may say, "I had fun! Thanks. S/U," as in, "see you ...
For example, "Barbus cf. holotaenia" indicates that the specimen is in the genus Barbus and believed to be Barbus holotaenia, but the actual species-level identification cannot be certain. [ 5 ] Cf. can also be used to express a possible identity, or at least a significant resemblance, such as between a newly observed specimen and a known ...
Sometimes another means of indicating a pronunciation is more desirable than this respelling system, such as when a name is intended to be a homonym of an existing English word or phrase, or in case of an initialism or a name composed of numbers or symbols.
22 Pride flags and what they mean: Gilbert Baker Pride Flag (Original Pride Flag) In 1978, artist Gilbert Baker created the first version of the rainbow Pride flag we know today.
Trace Cyrus has penned an emotional open letter to his father Billy Ray Cyrus on Instagram, saying that his family is "worried" about him "The day you adopted me was the happiest day of my life.