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from article Mechanical classification
Dorr classifier. (After R. R. Perry, ed., Chemical Engineers' Handbook, 4th ed., McGraw-Hill, 1963)
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from article Mechanical classification
Double-cone air separator. (After W. L. McCabe and J. C. Smith, Unit Operations of Chemical Engineering, McGraw-Hill, 1956)
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from article Anorthite
Anorthite. (Credit: RF Company/Alamy)
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from article Earth resource patterns
Regions of selected primary and secondary industries.
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from article Cleavage (developmental biology)
Mammalian embryo at the blastocyst stage (about 50 cells). (Reprinted with permission from K. Kalthoff, Analysis of Biological Development, 2d ed., McGraw-Hill, 2001)
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from article Contour
Contour representation; vertical projection indicates the profile of the elevation as it relates to the spacing of the contours.
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from article PINK1-Parkin pathway
The PINK1-Parkin pathway of mitochondrial quality control. An aging mitochondrion (left) has both healthy (green) and damaged (orange) components. It undergoes asymmetric fission. The top (green) daughter contains healthy components, is fully…
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from article Marine fisheries
Fish to market. Fish is an important animal protein consumed by humans. (Credit: Vl_K/Alamy Stock Photo)
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from article Marine fisheries
Concept of maximum sustainable yield (MSY). (a) Catch and revenue and cost versus fishing effort. (b) Stock biomass versus fishing effort. In a developing fishery, catch increases in relation to fishing effort. At an intermediate level of effort and…
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from article Marine fisheries
Concept of maximizing yield per recruit (YPRmax). Yield per recruit increases as fishing mortality (or effort) increases until a maximum is reached, beyond which increases in effort result in declining YPR as the stock is overfished. Biological…
