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159.555 resultados para sampling distribution en vídeos

Galena (lead sulphide) principal ore of lead, sample rotating slowly against a black background.
00:38
Alta definición
Detailed Microscopic View of Human Sperm Cells in Clear Fluid for Scientific Research and Medical Education Spermatozoa Morphology Human Fertility Biology Reproduction
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choice of materials, textures and colors for room renovation. sample Pallet with bright colors
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Close-up shot of sample slide and microscope with metal lens at laboratory.
00:18
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Rotating centrifuge with sample containers.
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Front view of African American female fashion designer looking at cloth samples in workshop 4k
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Scientist check sample in laboratory, Embryologist drop sperm specimen with disposable wholesale pipette in counting chamber and look on it through microscope.
00:17
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Female scientist wearing blue protective gloves collecting a water sample from a stream in a test tube to measure pollution levels and water quality, an important part of environmental analysis
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Bacteria sample examined with microscope
00:11
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Male Scientist Uses Digital Microscope to Analyze Samples While Referencing MRI Brain Scans on Screens in Modern Medical Research Hospital, Colleagues Work on Drug Development for Disease Treatment
00:15
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Medium shot focusing on a slag sample collected from biobased flux trials in a furnace emphasizing results of sustainable flux applications in metallurgy
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The doctor places the tissue sample taken during the endoscopic biopsy into a container of formaldehyde. Selection of material for histological examination. Concept of tissue for histolgia.
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Industrial brewery worker in a uniform taking a beer sample from a large stainless steel tank for quality control, checking the beverage's color and clarity during the production process
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Geotechnical analysis of soil core sample extracted by drilling rig for engineering investigation
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United States driver license close-up sample text identification card design, template realistic mockup 4k footage
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Beverage sample for customers at grocery store in small paper cup
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Close-up of a laboratory professional holding a blood sample tube labeled HIV ( Human Immunodeficiency Virus). Concept of inflammation testing, diagnostic pathology, and laboratory medicine.
00:07
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Tilt up from a tissue samples to the portrait of female doctor specialist pathologist in white coat while using microscope to analyzing specimens, tumor or cancer diagnosis, laboratory analysis
00:24
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Digital tube rotisserie rotator for effective mixing biological samples at pharmacy factory, medical exhibition: close up, slow motion. Chemistry, pharmaceutical, laboratory equipment concept
00:42
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interior designer working on new house design project in office. choosing flooring and furniture materials and colors from samples
00:17
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Clear Natrolite crystals on Orange Gmelinite (from Little Deer Park Quarry, Glenarm, N. Ireland) sample rotating slowly against a black background.
00:35
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Science, research and woman in lab, test tube for experiment and solution for vaccine. Scientist, equipment or mature person in workplace, medical info and study for pharmaceutical sample and biotech
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Researcher places sample under microscope in laboratory
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Close up view of scientist hands with gloves set the sample in the microscope for research
00:29
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Laboratory technicians examining biological samples using modern diagnostic equipment. Concept virology research, epidemic prevention and medical innovation, hantavirus and coronavirus testing include
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Farmer agronomist with soil sample from agricultural field
00:26
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Woman, microscope and scientist in laboratory for research, drug experiment or innovation. Science, biotechnology and female doctor with medical equipment for chemical sample analysis or testing
00:23
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Laboratory worker with blood sample in test tube at table indoors, closeup
00:06
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Male chemist puts blood samples from tube rack into modern automatic device for biochemical blood tests analyzing. Professional scientist works in advanced research lab. Biotechnology laboratory.
00:15
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Man runs hand over carpet texture sample in hardware flooring aisle. Fingers feel patterned fabric near moss panels.
00:12
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Indian female scientist removing medical samples from a -80deg fridge in a laboratory
00:16
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Close up medical researcher working in the lab analyzing samples
00:29
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turning a compost pile in a community garden. compost full of microorganisms. sustainable regenerative agriculture with a soil sample
00:09
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Coffee factory
00:11
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Interior designer working on interior layout with wood veneer samples for budget friendly home makeover in Dubai
00:11
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Close up of a female research scientist eyes, looking at samples under microscope, wearing safety glasses.Slow motion, slider, shot with BMPCC 4K.Biochemistry, pharmaceutical medicine,science
00:18
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crowd behaviors measuring social sampling statistics experiment population research of society
00:10
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Scientist's hands mixing the sample
00:10
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Group of friends sampling appetizers and chatting in a gourmet food market or deli, enjoying culinary discoveries, representing socializing around food or gastronomy tourism experience
00:06
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Scientist, woman and chemical analysis with sample for chemistry, testing and medical research. Biotech, laboratory and PPE with DNA inspection for pathology experiment, synthesis or microbiology
00:07
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Senior scientist placing sample on balance in lab, DNA helix overlay guiding inspection for testing
00:10
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Close up of doctors hand holding tube with positive blood test for Coronavirus, other hand writing down results to patients medical record, focus on blood sample tube for diagnosis infection.
00:25
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Countertop signage highlights vibrant summerthemed drinks with fresh fruit garnishes blurred background featuring excited customers sampling beverages
00:05
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Closeup of a scientist hand arranging glass plate or petri dishes on a table in research lab. Medical biologist using glassware for virus testing samples of bacteria in cells at medical lab facility
00:09
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Coffee factory
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Scientist hands with microscope close-up shot in the laboratory
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A variety of shades of wood floor material. Designer hands choosing wood flooring samples for interior renovation. Architect selecting laminate and hardwood textures for modern space.
00:14
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Research team with a female leader working in a neurological laboratory studying biological samples and human DNA to prevent neurodegenerative disorders
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camera panning on wall insulation panel samples
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Yellow Calcite sample rotating against a black background
00:39
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Geologist surveying mine,Explorers collect soil samples to look for minerals.
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Technicians hands stir laboratory samples during microscopic test.
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Scientists work in laboratory conducting experiments with microscope and samples
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Garment maker unfolding elastic material on table filled with colorful fabric samples and sewing patterns, preparing textiles for tailoring project in creative workspace with tools
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Furniture material samples showcased for design choices.
00:09
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Lab assistant comparing samples with recovery indexes of patient from test group
00:11
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Two scientists in yellow protective suits are collecting water samples from drainage pipes before taking to the lab for further analysis to determine of pollutants
00:24
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interior design shop salesman showing material samples to customer
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Man and woman scientist environmentalist standing in a river. Woman taking sample of water plant and putting it in a toolbox. Man holding toolbox
00:42
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Scientist in lab coat and safety glasses examining crude oil sample in glass vial inside modern laboratory, emphasizing petroleum research and quality control processes
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Laboratory researcher or nurse pipets patient sample into a test tube. Genetic engineering or genetic disease screening. Cancer and drug research and science
00:10
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Aerial ice shelf under stormy light, research drone collecting sensor data, rugged crevasse fields, sample sites visible near melt channels, imagery suited
00:06
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timelapse of growth of bacteria and fungi from biological samples in a petri dish
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Laboratory technician in blue gloves retrieves blood sample tube from refrigerator shelf containing various test tubes and storage racks for medical analysis
00:09
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Static shot scientist handling oil sample vial at laboratory bench with microscope gloved hands rotating tube in chemical test laboratory.
00:26
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Close-up shot of sample slide and microscope with metal lens at laboratory.
00:30
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Food scientists examining meat samples in a laboratory. Food safety, quality control, microbiology, biotechnology, laboratory research and professional teamwork.
00:12
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Man cutting and cleaning soil sample for laboratory analysis. Preparation of core material for geotechnical testing and scientific evaluatio
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A doctor prepares a semen sample
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Top down view of a researcher with tweezers selecting microplastic samples for analysis
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Female virologist scientist using microscope in laboratory. Biochemical and medical research. Pharmacist specialist working with lab equipment analyzing samples and searching for vaccine development
00:11
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Scientist, man and label on sample in laboratory for cure development, medical innovation and clinical analysis. Science, mature person and sticker on test bottle for pharmaceutical drug and research
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Laboratory scientist hand glove microplate pcr crispr dna research equipment analysis experiment test sample biology genetic genomic biotechnology labware liquid clinical healthcare automated pcr
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Lady reacts poorly to food. Woman exhibits disapproval after trying unappealing lunch bite. Lady grimaces and expresses discontent upon sampling unappetizing salad during her work break
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Scientist collecting water sample
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Male and female scientists in masks and goggles inspecting small sample tube at bench with petri dishes and tablet, lab research in blue light.
00:24
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woman touches, irons and chooses blue fabric from fabric samples for curtains, textiles and furniture. professional selection of fabric in the salon, interior design, cozy home, tactile sensation
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Woman choosing wood flooring samples for home renovation and interior design
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Close up hand choosing color from color sample swatch. The designer works with the customer and recommends the colors of decorative coatings.
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Scientist examines glowing sample in lab
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Interior view of a xenon test chamber with rotating sample panels around a xenon lamp during accelerated aging and material durability testing.
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Soil laboratory analysis scientist measures pH of soil sample with litmus strips. Agrochemical soil survey
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Mineral exploration takes place as a woman carefully digs through rocky terrain looking for valuable samples
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A variety of wooden flooring samples neatly displayed, each showing different grains and color
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Diligent scientists in lab coats conduct experiments, meticulously handling samples and operating sophisticated analysis machinery within a large, modern, brightly lit biomedical research facility.
00:08
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Gynecologist examines Pap test sample through microscope in close view. Specialist studies specimen carefully checking optical focus during review
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A man holds samples of genuine leather for upholstery of a car interior
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Person analyzing color samples and design layouts on laptop
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Robotic arm precisely handling samples on an automated platform, conducting diagnostics and research in a modern science laboratory, optimizing processes and advancing biotechnology and medicine
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Collection of printed color palette charts arranged on creative design desk with samples for graphic projects
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White Quartz sample rotating slowly against a black background [Madagascar]
00:28
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Hands arranging wood and marble samples on gray fabric. Interior design material selection in top-down flat lay. Composition for home decor inspiration and texture comparison.
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Scientist examines lab-grown meat sample with pipette in laboratory setting.
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Woman browsing carpet and rug samples in home decor store while choosing materials for apartment interior renovation
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Just married couple choosing fabric color sample for sofa in furniture store
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A dedicated scientist in a lab coat is conducting complex experiments with biological samples by a bright window, meticulously analyzing results displayed on a nearby computer screen
00:19
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Male architect and female designer placing tile and wood samples on blueprint, comparing finishes
00:12
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interior designer choosing furniture material from sample palette
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Scientist analyzing human tissue samples under microscope
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Close up of examining of test sample under the microscope in laboratory.
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