3,286 免费图片 适用于 实验

实验室科学生物学实验室研究化学科学家科学实验室科学实验医学
Free stock photo of experience, limitedcolors
黑暗的实验
Free stock photo of blue, chemical, doctor
医生玻璃
实验室
实验室科学
Free stock photo of experiment, fire, today
橙色火
Free stock photo of ball, black, experiments
黑色球
实验室
实验室科学
白大褂
实验室实验服
白大褂
实验室实验服
multicolored flasks
科学玻璃
Zugspitze Top Research Station
景观山
Switch simulation electronic
电子学非洲人
实验室
实验室科学
实验室
实验室科学
实验室
实验室科学
Free stock photo of experiments, radish, red
蔬菜浆果
Free stock photo of black, experiment, red
浆果水
Free stock photo of biotechnology, chemical, chemist
医疗药物科学
Outdoor Adventure Experience
性质图书
Free stock photo of coal, dark, ember
激光火
Free stock photo of experiment, green, light
植物树叶
试管
科学健康
Scientist after a failed experiment
科学家科学
Free stock photo of dark, experiment, factory
技术工廠
Black lab
动物小狗
Black lab
动物小狗
Free stock photo of arm, bulb, creative
手指光
Free stock photo of chemical, chemist, coat
女孩人
Inside the Spectrum prototype unit, organisms in a Petri plate are exposed to blue excitation lighting.
技术光
Light Microscopy Microscope Experiment. The particles in the tube glow orange because they have been fluorescently tagged with a dye that reacts to green laser lights to allow construction of a 3D image point by point.
实验室辉光
Graffiti painted wall 3D printer
非洲人字符
Vr experience virtual reality
非裔美国人人
People woman hospital
非洲人人
Olivine on Earth. Oct 30th, 2012.
地球绿色
People bowl container
餐饮水
Arabidopsis seeds are being planted in Veggie Passive Orbital Nutrient Delivery System (PONDS) units inside a laboratory at the Space Station Processing Facility at NASA’s Kennedy Space Center in Florida.
科学农业
Scientist experiment
实验人
Free stock photo of black, boy, child
男孩人
Illustration creativity graffiti
非洲人插画
Free stock photo of aperture, bellows, black
黑色猫
apothecary's workshop
医疗药物购物
Seeds are secured in plant pillows for the Veggie plant growth system inside a laboratory in the Space Station Processing Facility at NASA's Kennedy Space Center in Florida.
外层空间科学
A test tube tray containing a number of purple tipped vacutainer tubes. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.
实验室医学
1 Young engineer working in the lab, he is adjusting a 3D printer’s components, technology and engineering concept
工具类企业
2 Young engineer working in the lab, he is adjusting a 3D printer’s components, technology and engineering concept
工具类企业
兽医
人針
A scientist holding bacterial samples for their antimicrobial susceptibility. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.
科学医学
科学家
科学家人
Scientists using automated methods to extract bacterial DNA, for use in whole genome sequencing (WGS). Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.
科学家实验室
Laboratory equipment
实验室设备
Laboratory Flask
实验室烧瓶
STS-131 NASA & Walter Reed Hospital Tissue Growth Experiments - Flight Preps.
科学家实验室
显微镜
实验室科学
显微镜
实验室科学
显微镜
实验室科学
显微镜
实验室科学
A scientist implementing molecular testing. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.
科学家医学
Scientist experiment
科学家人
A scientist adding a stool sample to the cell culture medium, along with glass beads. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.
科学家实验室
显微镜
实验室科学
Laboratory technician working with a cell culture solution, using a syringe to add some of the sample to a glass bottle. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.
科学细菌
Test Tubes from experimenting on coronavirus. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.
医疗药物细菌
显微镜
实验室科学
显微镜
实验室科学
Sample of test tubes. A healthcare provider donning a pair of green latex gloves in order to protect herself during her subsequent interaction her next patient. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.
医疗药物实验室
A view inside the 55-foot high containment vessel of the National Aeronautics and Space Administration (NASA) Plum Brook Reactor Facility in Sandusky, Ohio.
实验室人
People man technology
技术人
Four test tubes of bacterial microorganism. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.
科学健康
Laboratory technician working with a cell culture solution, using a syringe to add some of the sample to a glass bottle. A healthcare provider donning a pair of green latex gloves in order to protect herself during her subsequent interaction her next patient. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.
医疗药物细菌
Test Tubes from experimenting on coronavirus. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.
科学健康
A scientist testing bacterial samples for their antimicrobial susceptibility. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.
科学家科学
Lab technician adding a solution to an Enzyme–Linked Immunosorbent Assay (ELISA) plate Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.
科学健康
Laboratory woman scientist
科学家女人
Close-up of Camera
工具类科学
Sample of test tubes. A healthcare provider donning a pair of green latex gloves in order to protect herself during her subsequent interaction her next patient. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.
医疗药物科学
DNA
实验室科学
Laboratory Scientist Chemist
科学家实验室
Using a black light, a technician closely inspects one of NASA's twin Radiation Belt Storm Probes inside the clean room high bay at Astrotech payload processing facility.
背景光
The normal right eye of a boy whose left eye was inadvertently inoculated with vaccinia virus. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.
疾病眼
Scientist laboratory
科学家实验室
Laboratory Flask Woman Girl
女孩女人
View of Modern Camera Against White Background
工具类科学
DNA
实验室科学
Two laboratory technicians experimenting with virus. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.
科学美国
Scientist removes cell growth medium from a 6–well plate in preparation for a plaque assay, which is a test that allows scientists to count how many flu virus particles (virions) are in a mixture. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.
医疗药物科学
Astronaut Owen K. Garriott, Skylab 3 science pilot, retrieves an imagery experiment from the Apollo Telescope Mount (ATM) attached to the Skylab in Earth orbit.
天文学宇航员
DC-8 flying laboratory passes Antarctica's tallest peak
航空器飞
Doctor woman with white coat and stethoscope. Coronavirus.
医疗药物健康
Schale Pipette
实验室医学
Chemical experiment
实验室化学
Chemical Experiment
化学烧瓶
Scientist testing with virus through test tubes. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.
医疗药物科学
A pair of CubeSats,
外层空间实验室
Electrolysis Science Experiments
科学水
Little Boy is Doing Science
科学儿童
Scientist working in the laboratory
科学家实验室
Coronavirus Testing. Vaccination. Coronavirus test blood sample.
医疗药物健康
Bunsen Gas Burner
实验室化学
Astronauts at Work on the International Space Station
外层空间宇航员
X-15A-2 in flight. First flight with dummy ramjet attached, at 8 May 1967.
军队军队
A scientist implementing molecular testing. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.
科学家科学
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