Image
from article Sturgeon
Shovelnose sturgeon (Scaphirhynchus platorynchus). (Photo by Konrad Schmidt)
Search Results
Search Results
Refine this search
Search result paging links
3,987 results
Image
from article Mass spectrometry
Mass spectra of creatine (molecular weight 131) obtained by (a) electron impact, (b) chemical ionization, (c) field ionization, and (d) field desorption with moderate heating. Both the molecular ion (not observed in a) and the M + 1 ion in b, c, and…
Image
from article Mass spectrometry
Representative gas-phase proton affinities of molecules.
Image
from article Mass spectrometry
Potential well of a molecule: (a) undistorted, with ionization potential I near a metal with work function ϕ in the absence of a field gradient; and (b) in a strong field gradient. Near the metal surface the external field raises the most weakly…
Image
from article Mass spectrometry
Use of isotope distribution to determine elemental composition. (a) Molecular ion for a compound containing one bromine atom. (b) Molecular ion for a compound containing two bromine atoms. (c) Molecular ion for a compound containing neither bromine…
Image
from article Mass spectrometry
Mass spectra of (a) acetophenone and (b) valerophenone, using electron impact.
Image
from article Mass spectrometry
Scale-expanded portion of acetophenone spectrum showing a broad metastable ion at m/e 56.5.
Image
from article Supramolecular chemistry
Schematic representation of the self-assembly of a tricompartmental cagelike architecture by coordination of 7 ligands of two different types and 12 Cu(I) metal ions: R groups are omitted for clarity on the assembled entity (right). (After P. N. W.…
Image
from article Camel
Bactrian camel (Camelus bactrianus). (Photo courtesy of Brent Huffman, Ultimate Ungulate Images)
Image
from article Spelaeogriphacea
Lateral and dorsal views of the Western Australian spelaeogriphacean species Mangkurtu mityula.
