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Stems, of varied styles and sizes, are excited about many of the natural approaches and interactions of crops, starting from aid, delivery, and garage to improvement and safety. The stem itself is a crucially very important middleman: it hyperlinks above- and less than flooring organs-connecting roots to leaves.
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THEORY OF STEREOPSIS 27 the entire scene. This accounts for the markedly differing depth impressions that an observer gains from monocular versus stereo examination of micrographs of shadowed freeze-fractured replicas (Section 11, this chapter). Again, careful attention to the stereo window is important, whereas concern with orthostereoscopy hinges largely on how important a natural ratio of the depth and lateral scales is for the scientific purposes of the stereo display. D. Role of the Pocket Stereo Viewer Some problems of technique of stereo electron microscopy hinge more on the nature of stereo vision than on the microscope.
1973). Experientia 29, 1586-1587. Panum, P. L. (1858). ” Schwers, Kiel. Peachey, L. D. (1978). EMSA Bull. 8, No. 1, 15-21. Pepper, R. L . , Cole, R. , Merritt, J. , and Smith, D. C. (1978). Opt. Eng. 17, 411-415. Pettigrew, J . (1978). Nature (London) 273, 9-1 1. Pettigrew, J. D. (1979). Proc. R . SOC. London, Ser. B 204, 435-454. Poggio, G. F. (1979). Trends NeuroSci. (Pers. ) 2, 199-201. Ramachandran. V. S. (1975). Nature (London) 256, 122-123. Ramachandran, V. S . (1976) Nature (London) 262, 382-384.
Also, micrographs taken at very high magnifications are generally simpler in the character of the details that they present. B . Special Situations in the High-Voltage Electron Microscope Stereo electron micrographs taken in the high-voltage electron microscope (HVEM) are noted for their wealth of overlapping detail occasioned by the large specimen thicknesses (up to 3 pm) that the HVEM allows. In the HVEM, stereo 26 MURRAY VERNON KING methods become the normal, routine way to take micrographs, rather than an occasional tool.
Forests by A & C Black Publishers Ltd