Precursor là gì

Precursor là gì

Although these precursors also can give pure films of low resistivity when reacted with oxygen, the growth rates are very low or not reported.

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rates are very low or not reported.
And finally, a lot a people And finally, a lot a people aren”t privy to this, but the doodle is a precursor to some of our greatest cultural assets.
Semaphore lines, telegraph systems and telex machines can be considered early precursors of this kind of communication.
In addition, the important In addition, the important Phoenician city of Byblos became a center for the distribution of papyrus, the precursor of modern paper.
It is part It is part of the Macdonald triad, a set of three behaviors that are considered a precursor to psychopathic behavior.
Once detached from the porphyrin ring, this long hydrocarbon tail becomes the precursor of two biomarkers, pristane and phytane, which are important in the study of geochemistry and the determination of petroleum sources.important in the study of geochemistry and the determination of petroleum sources.

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Although Wolverton and Lyman still consider U. vitabilis an “apparent precursor to modern black bears”, it has also been placed within U. americanus.
A precursor technology to augmented reality, heads-up displays were first developed for pilots in the 1950s, projecting simple flight data into their line of sight, thereby enabling them to keep their “heads up” and not look down at the instruments.simple flight data into their line of sight, thereby enabling them to keep their “heads up” and not look down at the instruments.
The short The short segment (around 3400 nucleotides in length) encodes the nucleocapsid protein and the glycoprotein precursor (GPC).
Since 1988, hydrochloric acid has been listed as a Table II precursor under the 1988 United Nations Convention Against Illicit Traffic in Narcotic Drugs and Psychotropic Substances because of its use in the production of heroin, cocaine, and methamphetamine.Traffic in Narcotic Drugs and Psychotropic Substances because of its use in the production of heroin, cocaine, and methamphetamine.

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On August 18, 1917, the top Bolshevik leader, Vladimir Lenin, set up a political bureau – known first as Narrow composition and, after October 23, 1917, as Political bureau – specifically to direct the October Revolution, with only seven members (Lenin, Trotsky, Zinoviev, Kamenev, Stalin, Sokolnikov, and Bubnov), but this precursor did not outlast the event; the Central Committee continued with the political functions.

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