Titlebook: Unconventional Electron Microscopy for Molecular Structure Determination; W. Hoppe,R. Mason Book 1979 Springer Fachmedien Wiesbaden 1979 E

火光在摇曳

Progress in Scanning Transmission Electron Microscopy at the University of Chicago,. It is not our intent that this be a critically technical paper but, rather, one in which we summarize some of the developments in electron microscopy at the University of Chicago over the past few years. For more detailed discussion, the interested reader can refer to the cited literature.

OMIT

CREEK

Radiation Damage: Experimental Work,ate each atom if it is to be adequately imaged and m doing so they transfer a certain amount of energy to the molecule. The crucial question is how disruptive this process will be to the molecular structure. Theory can give some clear answers in respect of isolated atoms but it is more difficult to

异端

喷油井

The Electron Microscope, a Diffractometer to Measure Scattering Amplitudes and Phases, different related procedures in electron microscopy and X-ray analysis. This should result in a dictionary for the two scientific dialects. However, the X-ray dialect of structure analysis will be favoured even in the electron microscope field. This should stress the point of view that the X-ray an

CUB

Three-Dimensional Reconstruction of Aperiodic Objects in Electron Microscopy,with a thickness of more than ca. 2 nm is not possible by means of unit cell projections since too many atoms overlap. In electron microscopy we face a similar situation. A micrograph, taken at low or medium resolution can be regarded as a projection of the specimen in the direction of the lens axis

腐败

Three-Dimensional Low Dose Reconstruction of Periodical Aggregates, X-rays might facilitate the analysis at least in special cases. In fact, already quite early neutron scattering has been used [1, 2] which allows the determination of the positions of the H-atoms and which facilitates phase determination with anomalous scattering. Furthermore, experiments for the u

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织物

The Electron Microscope, a Diffractometer to Measure Scattering Amplitudes and Phases,the X-ray dialect of structure analysis will be favoured even in the electron microscope field. This should stress the point of view that the X-ray analysis dialect is more appropriate because it leads to a better quantitative interpretation of the observations and experiments.

LUMEN