Science: v.1-v.219Moses King, 1969 |
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Page 1157
v.1-v.219. Amber : A Botanical Inquiry Amber provides an evolutionary framework for interdisciplinary studies of resin - secreting plants . Jean H. Langenheim Amber has fascinated man since he Amber : Fossilized Resin irst discovered it ...
v.1-v.219. Amber : A Botanical Inquiry Amber provides an evolutionary framework for interdisciplinary studies of resin - secreting plants . Jean H. Langenheim Amber has fascinated man since he Amber : Fossilized Resin irst discovered it ...
Page 1159
... amber within the wood or park where it was synthesized . In some cases , although the amber has become disassociated from the parent tree , the resin - producing tree may be indicated circumstantially by associated plant fossils in the ...
... amber within the wood or park where it was synthesized . In some cases , although the amber has become disassociated from the parent tree , the resin - producing tree may be indicated circumstantially by associated plant fossils in the ...
Page 1165
... amber H. courbaril resin ( Costa Rica ) Para , Brazil amber H. courbaril resin ( Brazil ) Wavelength ( microns ) Fig . 7. Comparison of infrared spectra of amber from three sites with resins from extant populations of Hymenaea ...
... amber H. courbaril resin ( Costa Rica ) Para , Brazil amber H. courbaril resin ( Brazil ) Wavelength ( microns ) Fig . 7. Comparison of infrared spectra of amber from three sites with resins from extant populations of Hymenaea ...
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90th Congress acid activity amber American analysis animals antibody antigen areas auxin behavior Biol biological bombykol cells chairman Chem chemical Chemistry concentration Department Dept discussion leader effect electron ence Engineering enzyme experience factor VIII federal fraction galactose glucagon glycoprotein helium ibid illus Institute instrument interferon IPSP laboratory laser lymphocytes macrophages measured mechanism Medical membrane ment mice microscope mitochondria molecular molecules montmorillonite Nalgene National nuclear observed oocytes optical organic pattern peak percent Physiol plant plasma polarization population present Press pressure problems produced protein rats Readers receptor References and Notes reported resin response sample Science scientific scientists serum Service Card social specific spectra structure studies superior colliculi surface synthesis temperature terpenoids tion tissue trehalase Univ University urban uropod virus Washington York