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Стр. 1461
In the course of a survey of many species of blue - green algae , we have noted three - dimensional packed arrays of electron - transparent cylindrical vesicles in electron micrographs of cells from several samples , which included ...
In the course of a survey of many species of blue - green algae , we have noted three - dimensional packed arrays of electron - transparent cylindrical vesicles in electron micrographs of cells from several samples , which included ...
Стр. 1487
Enlarged magnification ADVANCES IN ELECTRON MICROSCOPY Micrographs below taken at 0 , 1 , 2 , 3 and 4 minutes show minimal contamination rate . ( Courtesy of Dr. W. Stoeckenius , Rockefeller Institute , New York . ) ...
Enlarged magnification ADVANCES IN ELECTRON MICROSCOPY Micrographs below taken at 0 , 1 , 2 , 3 and 4 minutes show minimal contamination rate . ( Courtesy of Dr. W. Stoeckenius , Rockefeller Institute , New York . ) ...
Стр. 1536
The diaphragm is made from palladium or a silver - palladium alloy and is heated to about 600 ° C by electron bombardment with In most systems the degree of vacuum is expressed in terms of the total gas pressure in the system .
The diaphragm is made from palladium or a silver - palladium alloy and is heated to about 600 ° C by electron bombardment with In most systems the degree of vacuum is expressed in terms of the total gas pressure in the system .
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AAAS acid action activity addition American analysis animals appears applications Association biological cells Center chairman chemical chemistry chromatography complete containing crystals cytoplasm Department designed determined direction discussion effect electron engineering experiments field function human important increase indicated Institute interest International laboratory light lipid magnetic material means measurements mechanism Medical meeting ment methods Michigan Model natural observed obtained occur operation organic origin percent physical plant position possible potential present Press problems produced range recent recorded References region reported samples School Science scientific scientists similar single Society space species standard structure studies suggest surface temperature tion United Univ University volume Washington write York