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Highlight on chemical element Barium in periodic table of elements. 3D rendering
Cancelled Stamp From The United States Featuring Frederick Douglass A Greater Writer And Former Slave. He Died Over 115 Years Ago In 1895.
Colonies of pathogenic bacteria in a Petri dish, microbiological studies
plant Zea Stem C.S. under light mircoscope with white background
centropyxis aculeata (amoeboid organism) under the microscope - optical microscope x400 magnification
Photomicrograph of two rotifers. Rapidly rotating cilia at top of heads, internal organs visible. Live specimen. Wet mount, 10X objective, transmitted brightfield illumination.
Microscopic view of phytoplankton
Two old inoculation certificates from the 1970s.
Poll question: Should local law enforcement be allowed to detain illegal immigrants for minor crimes and transfer them to federal immigration authorities? Answer: No.
Old chilean coin from 1898 isolate on white background
Coin minted for the Medieval Festival of Villa de Albuquerque. Extremadura. Spain.
Liver Fluke Section under light microscope with white background
Shortcut From Point A to Point B Concept
Close-up shot of a petri dish for checking an antibiotic in the laboratory.
Cancelled Stamp From Germany Featuring The Genetic Scientist Gregor Mendel
A kindergarten progress report card from the 1987 - 1988 school year. Social habits.
Results from a lung/pulmonary function test (PFT). Shows spirometry graphs and measurements. Results are within normal limits. PFTs are used to diagnose respiratory problems.
Report card 1959
10 Stotinki 1888 Ferdinand I on white background. Coin of Bulgaria. Obverse Crowned arms within circle. Reverse Denomination above date within wreath
EQ plus IQ equal success leadership concept
Backgrounds of Characteristics of Bacteria and Fungi for education in Microbiology laboratory.
Close-up shot of a petri dish for checking an antibiotic in the laboratory.
Titanium and symbol structural formula chemical on the blackboard, Chemistry in the classroom
Photomicrograph of flatworm,
An detail of a analyst pouring some medium for a bacteria culture essay inside a petri dish inside a sterile environment with laminar flow hood
Richmond, Virginia, USA - November 7th, 2011: Cancelled Stamp From The United States Featuring President Dwight D. Eisenhower. He Was A 5 Star General And Commanded Forces During World War II Before Becoming President Of The United States.
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Biological Oxygen Demand (BOD) testing process in laboratory.
Close-up shot of a petri dish for checking an antibiotic in the laboratory.
Free Images: "bestof:Buchner experimental example 1.png en Described in Fried J Elderfield R C J Org Chem 1941 6 577 2013-04-28 16 23 07 own Advanced Orgo cc-zero Uploaded with"
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