single bond


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sin·gle bond

a covalent bond resulting from the sharing of one pair of electrons, for example, H3C-CH3 (ethane).

sin·gle bond

(sing'gĕl bond)
A covalent bond resulting from the sharing of one pair of electrons; e.g., H3C-CH3 (ethane).
References in periodicals archive ?
The N-N bond length in the given thiadiazolate framework is 1.381(5) A, which is in close agreement to the distance described in the literature [18], but slightly smaller than the single bond distance of 1.40 A.
The loan is a single Bond and Deed of Trust, and two MBSs, represented as a bifurcated loan structure.
The payment and performance bonds are usually written together as a single bond number, with the cost covering both of them.
Following this, the GIC and the coronal tooth structure were cleaned with saline, dried, etched (Eco-Etch, Ivoclar Vivadent), washed, dried, and cured after application of the bonding agent (Adper[TM] Single Bond 2, 3M, ESPE).
Take the single bond shown in Figure 3 as an example to show the computation of the stiffness matrix and viscous matrix.
The geometrical and mechanical parameters of the three bonding types used in the analysis have the following values [8]: d = 1.284 [Angstrom] for aromatic and single bonds and d = 1.954 [Angstrom] for a triple bond; A = 1.0 [[Angstrom].sup.2] for aromatic and single bonds and 3.0 [[Angstrom].sup.2] for a triple bond; I = 0.07958 [[Angstrom].sup.4] for aromatic and single bonds and 0.7162 [[Angstrom].sup.4] for a triple bond; and E = 167.616 nN/[[Angstrom].sup.2] for an aromatic bond, E = 166.964 nN/[[Angstrom].sup.2] for a single bond, and E = 25.852 nN/[[Angstrom].sup.2] for a triple bond.
Consequently, in HSQC and HMQC experiments, [.sup.2][J.sub.CH] and [.sup.3][J.sub.CH] are not typically observed, and in the HMBC experiment the single bond coupling ([.sup.1][J.sub.CH]) is not typically observed.
Surfaces of all teeth were treated with bonding agent (Adper single bond 2, 3M ESPE fifth generation etch and rinse system) and restored with composite resin.
Therefore, the purpose of this study was to investigate the combined effect of two mechanical treatments (sandblasting by [Al.sub.2][O.sub.3] and CoJet) and three chemical treatments (silane, zirconia primer, and Single Bond Universal) on the shear bond strength (SBS) of metal orthodontic brackets on zirconia restoration and to evaluate the effect of thermocycling.
The traditional explanation for the carbonyl-absorptions of amides being below 1700 [cm.sup.-1] is that the lone-pair electrons on the nitrogen are delocalized into the amide carbon-nitrogen chemical bond generating a minor resonance structure with a carbon-oxygen single bond. This minor resonance structure adds single bond character to the carbonyl bond and contributes to the lower wavenumbers observed for the carbonyl infrared absorption in amide functionality (Avram & Mateescu 1970).