Stability and consistent interactions in higher derivative matter field theories
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Derivative (finance)
A basic equation of derivative gas chromatographic signals is developed. The signals are obtained by using derivative measuring equipment. The derivative signals are quantitatively investigated. The results show that derivative technique can smooth noise and greatly increase sensitivity and decrease susceptibility.
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With various definitions of derivative and their correlations given, this article thoroughly discusses some qualities of derivative and establishes dozens of propositions about derivative and about the application of derivative to function.
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Discussed in this paper are the conception and property of symmetrical derivative, which has a broader sense than derivative. And a comparison is made of the property of symmetrical derivative and that of derivative.
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The total synthesis of butirosin B (5) is described. Its 3′,4′-dideoxy derivative (11) has been synthesized, a cyclic carbamate derivative (2) being used as the key compound. The dideoxy derivative (11) was prepared by hydrogenation of a 3′,4′-unsaturated derivative (10) obtained by the reaction of a di-O-mesyl derivative (9) with sodium iodide and zinc dust. The dideoxy derivative (11) was found to have significant activity against resistant bacteria producing phosphotransferase I.
Derivative (finance)
Sodium iodide
Carbamate
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Abstract The objective of this paper is, first, to introduce and study the concept of α–field as a generalization of field, σ–field and δ–field, and we discuss the properties of this concept. Furthermore, we study the relationships between σ–field and σ–field. As a first σ–field is α–field. second, to introduce the concept of β–field as a generalization of σ–field, β–σ–field and ring. So, we prove that every σ–field is β–field and we obtain some important results deals with this concept. Finally, we introduce and study the concept of restriction of β– field and we prove that, if ℘ is a β– field of a set ℵ and K is a non-empty subsets of ℵ. Then ℘|K is a β–field of a set K.
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Abstract 3-Hydroxy-4-methoxy-5-methylbenzaldehyde derivative (1c) has been synthesized in 7 steps from 2,3-dihydroxytoluene (4). An isopropyl derivative has been used to protect a phenol during this transformation. The overall yield of 1c was 37%.
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[46]paracyclophanedodecayne derivative 1 having a novel belt-shaped fully conjugated π-system was photochemically generated from the corresponding hexakis(Dewar benzene) precursor 7 as a highly strained but isolable compound.
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Characterization
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Derivative (finance)
Thermogravimetric analysis
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Abstract The synthesis of 6‐phenyl‐atevirdine ( 17 ), a lipophilic derivative of the potent HIV‐1 reverse transcriptase inhibitor atevirdine ( 1 ), is described. The title compound was prepared from dithioacetale 2 via keteneaminal 4 and the nitropyridine derivative 10 . Unexpectedly, no anti HIV activity was observed for the novel atevirdine derivative 17 . The key intermediates 6, 8 and 10 could also be prepared from keteneaminal 18 via chloropyridines 22–24 .
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In this paper, we introduce some new collections of sets such as α– σ–field and β– σ–field as two generalizations of the notion of σ–field and we discuss the properties of these collections. Furthermore, we study the relationships between α– σ–field and σ–field. As a first result, we prove that every σ–field is α– σ–field and β– σ–field. Finally, we establish new collection of sets such as δ–field and obtain some results deals with this concept and we conclude that each of α– σ–field and β– σ–field are generalizations of δ–field.
Field theory (psychology)
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