Phycological Stock Photos and Images
Archive image from page 97 of The culturing of algae; a. The culturing of algae; a symposium culturingofalgae00phyc Year: 1950 ( Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/archive-image-from-page-97-of-the-culturing-of-algae-a-the-culturing-of-algae-a-symposium-culturingofalgae00phyc-year-1950-image264040830.htmlRMW9G2NJ–Archive image from page 97 of The culturing of algae; a. The culturing of algae; a symposium culturingofalgae00phyc Year: 1950 (
Archive image from page 79 of The culturing of algae; a. The culturing of algae; a symposium culturingofalgae00phyc Year: 1950 ( â 64 P. M. COOK 40 1âIââI I I I I I r'T I I n CONTINUOUS CULTURE PROCESS CHLORELLA PYRENOIDOSA ARTIFICIAL LIGHT 4' COLUMN 10 LITERS Dc«.362 GRAMS/LITER Run started-4PM. 10-17-49 0) r 30 UJ > o u. on UJ > o 20 >° 10 0' VcAt, '- 30 40 50 TIME, hours 70 Pig. 6âContinuous culture process using Chlorella pyrenoidosa under ar- tificial light; 4-inch column. Overflow volume vs. time. Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/archive-image-from-page-79-of-the-culturing-of-algae-a-the-culturing-of-algae-a-symposium-culturingofalgae00phyc-year-1950-64-p-m-cook-40-1ii-i-i-i-i-i-rt-i-i-n-continuous-culture-process-chlorella-pyrenoidosa-artificial-light-4-column-10-liters-dc362-gramsliter-run-started-4pm-10-17-49-0-r-30-uj-gt-o-u-on-uj-gt-o-20-gt-10-0-vcat-30-40-50-time-hours-70-pig-6continuous-culture-process-using-chlorella-pyrenoidosa-under-ar-tificial-light-4-inch-column-overflow-volume-vs-time-image264037620.htmlRMW9FXK0–Archive image from page 79 of The culturing of algae; a. The culturing of algae; a symposium culturingofalgae00phyc Year: 1950 ( â 64 P. M. COOK 40 1âIââI I I I I I r'T I I n CONTINUOUS CULTURE PROCESS CHLORELLA PYRENOIDOSA ARTIFICIAL LIGHT 4' COLUMN 10 LITERS Dc«.362 GRAMS/LITER Run started-4PM. 10-17-49 0) r 30 UJ > o u. on UJ > o 20 >° 10 0' VcAt, '- 30 40 50 TIME, hours 70 Pig. 6âContinuous culture process using Chlorella pyrenoidosa under ar- tificial light; 4-inch column. Overflow volume vs. time.
Archive image from page 73 of The culturing of algae; a. The culturing of algae; a symposium culturingofalgae00phyc Year: 1950 ( Fig. 4—Photograph of the apparatus including a 4 in. column. Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/archive-image-from-page-73-of-the-culturing-of-algae-a-the-culturing-of-algae-a-symposium-culturingofalgae00phyc-year-1950-fig-4photograph-of-the-apparatus-including-a-4-in-column-image264036704.htmlRMW9FWE8–Archive image from page 73 of The culturing of algae; a. The culturing of algae; a symposium culturingofalgae00phyc Year: 1950 ( Fig. 4—Photograph of the apparatus including a 4 in. column.
Archive image from page 97 of The culturing of algae; a. The culturing of algae; a symposium culturingofalgae00phyc Year: 1950 ( Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/archive-image-from-page-97-of-the-culturing-of-algae-a-the-culturing-of-algae-a-symposium-culturingofalgae00phyc-year-1950-image264040871.htmlRMW9G2R3–Archive image from page 97 of The culturing of algae; a. The culturing of algae; a symposium culturingofalgae00phyc Year: 1950 (
Archive image from page 40 of The culturing of algae; a. The culturing of algae; a symposium culturingofalgae00phyc Year: 1950 ( THE ISOLATION, PURIFICATION, AND NUTRIENT SOLUTION REQUIREMENTS OF BLUE-GREEN ALGAE GERALD C. GERLOFF, GEORGE P. FITZGERALD, and FOLKE SKOOG University of Wisconsin, Madison, Wisconsin Introduction Although some species of blue-green algae produce serious nuisance blooms and growths in reservoirs, lakes, and streams, surprisingly little is known of their exact nutritional require- ments. This undoubtedly is due in part to the difficulties that have been encountered Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/archive-image-from-page-40-of-the-culturing-of-algae-a-the-culturing-of-algae-a-symposium-culturingofalgae00phyc-year-1950-the-isolation-purification-and-nutrient-solution-requirements-of-blue-green-algae-gerald-c-gerloff-george-p-fitzgerald-and-folke-skoog-university-of-wisconsin-madison-wisconsin-introduction-although-some-species-of-blue-green-algae-produce-serious-nuisance-blooms-and-growths-in-reservoirs-lakes-and-streams-surprisingly-little-is-known-of-their-exact-nutritional-require-ments-this-undoubtedly-is-due-in-part-to-the-difficulties-that-have-been-encountered-image264029832.htmlRMW9FGMT–Archive image from page 40 of The culturing of algae; a. The culturing of algae; a symposium culturingofalgae00phyc Year: 1950 ( THE ISOLATION, PURIFICATION, AND NUTRIENT SOLUTION REQUIREMENTS OF BLUE-GREEN ALGAE GERALD C. GERLOFF, GEORGE P. FITZGERALD, and FOLKE SKOOG University of Wisconsin, Madison, Wisconsin Introduction Although some species of blue-green algae produce serious nuisance blooms and growths in reservoirs, lakes, and streams, surprisingly little is known of their exact nutritional require- ments. This undoubtedly is due in part to the difficulties that have been encountered
Archive image from page 89 of The culturing of algae; a. The culturing of algae; a symposium culturingofalgae00phyc Year: 1950 ( 74 P. M. COOK Fig. II—Horizontal tank farm in the continuous culture process. optimum conditions at all points because the flow of fresh me- dium into the tanks depends on the growth and, therefore, on the intensity of sunlight. Control is maintained by a simple photoelectric cell circuit. Future Work A very considerable amount of work, primarily of a basic nature, still remains to be done. Studies on the influence of light are particularly important, including e Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/archive-image-from-page-89-of-the-culturing-of-algae-a-the-culturing-of-algae-a-symposium-culturingofalgae00phyc-year-1950-74-p-m-cook-fig-iihorizontal-tank-farm-in-the-continuous-culture-process-optimum-conditions-at-all-points-because-the-flow-of-fresh-me-dium-into-the-tanks-depends-on-the-growth-and-therefore-on-the-intensity-of-sunlight-control-is-maintained-by-a-simple-photoelectric-cell-circuit-future-work-a-very-considerable-amount-of-work-primarily-of-a-basic-nature-still-remains-to-be-done-studies-on-the-influence-of-light-are-particularly-important-including-e-image264039549.htmlRMW9G13W–Archive image from page 89 of The culturing of algae; a. The culturing of algae; a symposium culturingofalgae00phyc Year: 1950 ( 74 P. M. COOK Fig. II—Horizontal tank farm in the continuous culture process. optimum conditions at all points because the flow of fresh me- dium into the tanks depends on the growth and, therefore, on the intensity of sunlight. Control is maintained by a simple photoelectric cell circuit. Future Work A very considerable amount of work, primarily of a basic nature, still remains to be done. Studies on the influence of light are particularly important, including e
Archive image from page 10 of The culturing of algae; a. The culturing of algae; a symposium culturingofalgae00phyc Year: 1950 ( FOREWORD Since the days of Pasteur the necessity of pure cultures in the study of bacteria and fungi has been a truism, and the success of pure culture methods is also universally known. Although the same methods have been applied to the growing of microscopic algae for over a half-century by several workers, and although there have been fair to excellent results, it cannot be said up to now that the pure culture technique has played as important a role in phycology Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/archive-image-from-page-10-of-the-culturing-of-algae-a-the-culturing-of-algae-a-symposium-culturingofalgae00phyc-year-1950-foreword-since-the-days-of-pasteur-the-necessity-of-pure-cultures-in-the-study-of-bacteria-and-fungi-has-been-a-truism-and-the-success-of-pure-culture-methods-is-also-universally-known-although-the-same-methods-have-been-applied-to-the-growing-of-microscopic-algae-for-over-a-half-century-by-several-workers-and-although-there-have-been-fair-to-excellent-results-it-cannot-be-said-up-to-now-that-the-pure-culture-technique-has-played-as-important-a-role-in-phycology-image264018604.htmlRMW9F2BT–Archive image from page 10 of The culturing of algae; a. The culturing of algae; a symposium culturingofalgae00phyc Year: 1950 ( FOREWORD Since the days of Pasteur the necessity of pure cultures in the study of bacteria and fungi has been a truism, and the success of pure culture methods is also universally known. Although the same methods have been applied to the growing of microscopic algae for over a half-century by several workers, and although there have been fair to excellent results, it cannot be said up to now that the pure culture technique has played as important a role in phycology
Archive image from page 97 of The culturing of algae; a. The culturing of algae; a symposium culturingofalgae00phyc Year: 1950 ( Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/archive-image-from-page-97-of-the-culturing-of-algae-a-the-culturing-of-algae-a-symposium-culturingofalgae00phyc-year-1950-image264040856.htmlRMW9G2PG–Archive image from page 97 of The culturing of algae; a. The culturing of algae; a symposium culturingofalgae00phyc Year: 1950 (
Archive image from page 71 of The culturing of algae; a. The culturing of algae; a symposium culturingofalgae00phyc Year: 1950 ( (t inr u rf AIR CO2 MIXTURE FLOWMETERS C' THERMAL WELL ' ,-SOLENOID VALVE PHOTO CELL CIRCUIT i .1 AERATION LINE CULTURE OVERFLOW Fig. I—Artificial light continuous culture apparatus in 4 in. column. assured. The aeration mixture is controlled by pressure reducers and needle valves on a compressed air line and cylinders of com- pressed carbon dioxide. Each gas is metered through manometer flow-meters. Cotton gas filters are used, all connections are sterile, and Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/archive-image-from-page-71-of-the-culturing-of-algae-a-the-culturing-of-algae-a-symposium-culturingofalgae00phyc-year-1950-t-inr-u-rf-air-co2-mixture-flowmeters-c-thermal-well-solenoid-valve-photo-cell-circuit-i-1-aeration-line-culture-overflow-fig-iartificial-light-continuous-culture-apparatus-in-4-in-column-assured-the-aeration-mixture-is-controlled-by-pressure-reducers-and-needle-valves-on-a-compressed-air-line-and-cylinders-of-com-pressed-carbon-dioxide-each-gas-is-metered-through-manometer-flow-meters-cotton-gas-filters-are-used-all-connections-are-sterile-and-image264036337.htmlRMW9FW15–Archive image from page 71 of The culturing of algae; a. The culturing of algae; a symposium culturingofalgae00phyc Year: 1950 ( (t inr u rf AIR CO2 MIXTURE FLOWMETERS C' THERMAL WELL ' ,-SOLENOID VALVE PHOTO CELL CIRCUIT i .1 AERATION LINE CULTURE OVERFLOW Fig. I—Artificial light continuous culture apparatus in 4 in. column. assured. The aeration mixture is controlled by pressure reducers and needle valves on a compressed air line and cylinders of com- pressed carbon dioxide. Each gas is metered through manometer flow-meters. Cotton gas filters are used, all connections are sterile, and
Archive image from page 81 of The culturing of algae; a. The culturing of algae; a symposium culturingofalgae00phyc Year: 1950 ( 66 P. M. COOK .6 o I Q. 'O in o -J LJ T——I—I———I—I—I—I—r CONTINUOUS CULTURE PROCESS CHLORELLA PYRENOIDOSA ARTIFICIAL LIGHT 4' COLUMN J I L J I L 0 .1 .2 .3 .4 .5 .6 POPULATION DENSITY, grams dry weight per liter Fig. 8—Continuous culture process using Chlorella pyrenoidosa under ar- tificial light; 4 in. colum. Yield plotted against population density. Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/archive-image-from-page-81-of-the-culturing-of-algae-a-the-culturing-of-algae-a-symposium-culturingofalgae00phyc-year-1950-66-p-m-cook-6-o-i-q-o-in-o-j-lj-tiiiiiir-continuous-culture-process-chlorella-pyrenoidosa-artificial-light-4-column-j-i-l-j-i-l-0-1-2-3-4-5-6-population-density-grams-dry-weight-per-liter-fig-8continuous-culture-process-using-chlorella-pyrenoidosa-under-ar-tificial-light-4-in-colum-yield-plotted-against-population-density-image264037982.htmlRMW9FY3X–Archive image from page 81 of The culturing of algae; a. The culturing of algae; a symposium culturingofalgae00phyc Year: 1950 ( 66 P. M. COOK .6 o I Q. 'O in o -J LJ T——I—I———I—I—I—I—r CONTINUOUS CULTURE PROCESS CHLORELLA PYRENOIDOSA ARTIFICIAL LIGHT 4' COLUMN J I L J I L 0 .1 .2 .3 .4 .5 .6 POPULATION DENSITY, grams dry weight per liter Fig. 8—Continuous culture process using Chlorella pyrenoidosa under ar- tificial light; 4 in. colum. Yield plotted against population density.
Archive image from page 97 of The culturing of algae; a. The culturing of algae; a symposium culturingofalgae00phyc Year: 1950 ( Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/archive-image-from-page-97-of-the-culturing-of-algae-a-the-culturing-of-algae-a-symposium-culturingofalgae00phyc-year-1950-image264040826.htmlRMW9G2NE–Archive image from page 97 of The culturing of algae; a. The culturing of algae; a symposium culturingofalgae00phyc Year: 1950 (
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