試験管
実験器具
実験室
Blood Samples in Test Tubes
メスシリンダー
Lab samples in test tubes
液体の入った試験管
Healthcare And Medicine
Healthcare And Medicine,Glassware,Laboratory Glassware,Utensil,,Test Tube
並ぶ試験管
平底フラスコ
Healthcare And Medicine,Glassware,Laboratory Glassware,Utensil,,Test Tube,Pipette
Medical
Empty tubes in a test tube rack
Rack of test tubes with solution on counter in lab
Close up of rack of test tubes with solution in lab
Test tubes in laboratory
Microscope and test tubes
Test tubes in test tube rack
ガラス器具
ビーカー
実験
Test tubes with blue liquid inside
Test tubes in a holder
複数の試験管
Test tubes in a rack
Carbon dioxide bubbling through limewater
Test tube of bromine water
Liquid in test tubes in a rack
Samples and test tubes
Test tubes in lab
サンプル管
Dropping liquid into test tubes with a pipette
Scientist holding a test tube above a rack with liquid-filled test tubes
Liquid-filled test tubes in rack
Test tubes in rack with one pipette inside, low angle.
Test tubes with colored liquid inside in rack, close-up
Test tubes in rack, close-up
Pipette above flask with red liquid inside
Flasks, petri dish, rat tubes in rack, high angle
Biological research
Rack of test tubes with solution on blue counter
Test tubes in a test tube rack
液体を試験管に入れる
Germany, Bavaria, Munich, Test tubes in test tube rack
Row of test tubes
シャーレ
Empty test tubes in a holder
Test tubes, close up
Test tubes containing liquid
実験イメージ
Halogens in water
Close up of pipette dropping solution into test tube in rack in lab
スポイト
Laboratory Test & Medicines
Pipetting
Scientist with laboratory equipment, high angle
Scientific samples in test tubes with microscope
Blood samples in test tubes
Laboratory equipment
Hands with test tube tray
Test tubes with different coloured liquids in rack
Test tubes in rack
Germany, Bavaria, Munich, Droplet being dispensed from pipette into test tube
Healthcare And Medicine,Glassware,Utensil,Test Tube,Test Tube Rack
三角フラスコ
Precipitation reaction
Germany, Bavaria, Munich, Test tube rack and petri dishes with green sample in laboratory
Liquid in test tubes
実験器具と化学式
Bromine water test for alkenes
Laboratory tests
Close up of test tubes with liquid
Microtubes of RNA samples
devices in biology lab
Empty test tubes in rack
Water
Test tubes containing liquid in a rack
Biological samples in test tubes
Pipette and test tubes
Samples in test tubes
Benzoic acid precipitate
Oil in test tubes on table
Liquids in test tubes in lab