laboratory/ hand hold test tube with liquid
hand with laboratory glassware
Healthcare And Medicine
lab technician pipette liquid into test tubes
Healthcare And Medicine,Glassware,Laboratory Glassware,Utensil,
woman in test tube
Hands with test tube tray
Hands and test tube tray
Hand and test tubes
Healthcare And Medicine,Glassware,Laboratory Glassware,Utensil,,Test Tube
Liquid in test tubes
Reaching for a test tube
Laboratory Test & Medicines
Healthcare And Medicine,Glassware,Laboratory Glassware,Utensil,,Test Tube,Pipette
Healthcare And Medicine,Glassware,Laboratory Glassware,Utensil,,Test TubeHealthcare And Medicine,Test Tube
Scientist looking at test tube
Test tubes in a holder
試験管を持つ研究者の手
AIDS research
Dropper measuring liquid into test tube mouths
Healthcare And Medicine,Glassware,Utensil,Test Tube,Beaker,Measuring Beaker
Close-up of a person's hand holding a test tube
Close up of scientist holding test tube
実験器具
Rows of test tubes in laboratory, close-up
試験管を持つ手
Lab technician analyzing sample in a test tube
Liquid in test tube
mixing of two liquids in Erlenmeyer flask
Test tube with red liquid
フラスコを持つ手
Lab technician holding blood samples in a test tube
Test tube with steaming pink liquid
Pipette dropping liquid into test tube
Person holding test tube
Technician holding test tube with liquid in greenhouse
試験管
Close-up of a scientist's hand experimenting in a lab
Hands holding measuring tube
A chemical experiment
Test tubes
Test tubes with dye liquid
Laboratory tubes
Illustration Technique, Measuring Beaker, Test Tube,
Test tubes in a tube rack
Pipette dropping liquid into a test tube
Man holding test tube filled with liquid
Nitrogen inside tubes in laboratory, close-up
Close-up of a scientist's hand pouring sample into a beaker
Syringe placing a droplet of liquid in test tube
hand holding Erlenmeyer flask with liquid
Butylamine-copper complex formation
Woman in laboratory, holding test tube, close-up
実験
Laboratory scientist at work
Test tubes in a volumetric flask
実験室
Test tubes containing liquid
Rack of test tubes filled with liquid, close-up
Mid adult woman inserting test tube in laboratory
薬品のビン
Scientist experimenting with liquid chemicals and test tube
Scientist holding dropper and test tube
Robotic arm holding test tube
Robot arm with test tube
Test tube of chlorine condensed
Pipetting liquid into test tubes
Close up of pipette in test tube
Molten crystals in a test tube
Test tubes in test tube rack
Test tube for biological samples
Close up of test tubes with liquid
Dropper placing liquid into test tubes
Person holding a test tube with dye liquid
Robotic arm and test tube
Blood Samples in Test Tubes
Test tubes in laboratory
Test tubes in a test tube rack
Drop of oil falling into test tube, close-up
hand with beaker
Empty tubes in a test tube rack
Test tube closeup
植物を持つ手と実験器具
Close up of pipette dropping solution into test tube in rack in lab
Scientist examining liquid in test tubes
実験イメージ
試験管のメモリ
Test tubes in centrifuge
Laboratory equipment, close-up
液体を試験管に入れる
Copper sulphate production experiment
Laboratory worker taking liquid from test tube, using pipette, close-up
Laboratory worker placing liquid filled test tube into rack, elevated view
Laboratory worker placing liquid filled test tube in rack. close-up
Test tube in laboratory
HAND 044 (試験管)
Pipetting into microtubes
Liquid in test tubes in a rack
Pipette dropping liquid into test tubes
Close up of test tubes
Mid adult woman injecting liquid into test tube
Beakers and test tube with colored liquid, overhead view
Doctor holding a conical flask in a laboratory
Test tubes with blue liquid inside
試験管とスポイト
Pipette adding sample to a test tube in a laboratory
Scientist holding a test tube above a rack with liquid-filled test tubes
Man in laboratory, tightening lid on test tube, close-up
Man in laboratory, wearing protective gloves, holding test tube
Woman taking test tube from row of test tubes, close-up
Alkaline titration using methyl orange
Empty test tubes in a holder
Scientist pouring liquid into beaker
Universal indicator in water
Universal indicator in alkali
2本の試験管
Scientist holding empty test tube
Magnesium reacting with an acid
試験管と化学式