Methene

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The absorptions at 2,960, 2,917, and 2,851 [cm.sup.-1] are attributed to the stretching vibration of the methyl (-C[H.sub.3]) and methene (-C[H.sub.2]) groups in NR [18].

Melt Compounding and Characterization of Poly(lactide) Stereocomplex/Natural Rubber Composites

The peak at 3.7 ppm was associated with the methene (s, -C[H.sub.2]) proton of the PEG chain.

Carboxyl of Poly(D,L-lactide-co-glycolide) Nanoparticles of Perfluorooctyl Bromide for Ultrasonic Imaging of Tumor

The same C-H bands were observed at 2929 and 2872 [cm.sup.-1] in TiS, which were the characteristic peak of methene. The stretching vibration absorption bands of C=O and C-O were detected at 1740 [cm.sup.-1] and 1068 [cm.sup.-1], respectively.

The Synergistic Antiwear Performances of Organic Titanium Compounds Containing Sulfur with Borate Ester Additive

And the [sup.13]C NMR (Table 1) and DEPT spectra showed fourteen carbons, including a carbonyl, a methene, three methines, three methyls, and six aromatic carbons, two of them bearing oxygen atoms (C-4 and C-5).

Pogonatherumol, a Novel Highly Oxygenated Norsesquiterpene with Flavone C-Glycosides from Pogonatherum crinitum

(158) Additionally, CagA down-regulates the expression of Heme oxygenase-1 (HO-1), a potent anti-oxidant and anti-inflammatory molecule that cleaves the heme ring at the a methene bridge to form biliverdin, thereby enhancing genotoxic stress.

Structure and function of helicobacter pylori CagA, the first-identified bacterial protein involved in human cancer

Tenders are invited for Refrigeration Gas Floran-22 , Chemical Composition :: Chf2cl Di-Floro Mono Chloro Methene

Refrigeration Gas (floran-22)

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Methene

Meth´ene