試験管を持つ研究者の手
研究する研究者の手元
植物を持つ手と実験器具
試験管を持つ手と実験器具
Scientist holding a petri dish
実験をする研究員
シャーレを持っている女性研究者
Healthcare And Medicine
Healthcare And Medicine,Glassware,Laboratory Glassware,Utensil,
試験管を見る男性研究者
Scientist looking at test tube
試験管を持つ女性
Female scientist holding a petri dish
シャーレとスポイトを持つ女性
Close-up of a scientist's hand pouring sample into a beaker
Hands and test tube tray
試験管を視る女性研究者
シャーレに薬品を入れる研究者
Butylamine-copper complex formation
Scientist holding a plant in a test tube
Lab technician holding blood samples in a test tube
Lab technician analyzing sample in a test tube
Alkaline titration using methyl orange
hand with laboratory glassware
Hands with test tube tray
フラスコを持つ手
Female scientist holding a test tube
laboratory/ hand hold test tube with liquid
Close-up of a scientist's hand experimenting in a lab
hand with beaker
Scientist holding dropper and test tube
Doctor holding a conical flask in a laboratory
Scientist experimenting on fruit
顕微鏡をのぞいている男性研究者
Scientist pipetting sample into multi well tray for analytical testing in laboratory
Hand and test tubes
試験管とスポイトを持った女性
Scientist pouring liquid into beaker
Scientist experimenting with liquid chemicals and test tube
Litmus test for amine solution
Reaching for a test tube
woman in test tube
Scientist with a sapling in a test tube
HAND 044 (試験管)
研究している女性研究者
hand holding Erlenmeyer flask with liquid
Doctor researching in a laboratory
顕微鏡をのぞいている女性研究者
Beetroot dye experiment
試験管を見つめる女性
試験管を持つ20代女性研究員
Scientist examining sample under microscope in laboratory
mixing of two liquids in Erlenmeyer flask
試験管を持つ手
Scientist pouring liquid into measuring beaker
Portrait of scientist holding beaker with liquid
Senior scientist doing experiments
実験をする7歳の男の子
液体の研究をする30代女性
液体の研究をする男性
Male scientist doing an experiment
Petri dish in two doctors' hands
薬品を試す女性研究員の手元
Female scientist holding a flask
Scientist pipetting samples into tray in laboratory
Magnesium reacting with an acid
pH test for alkali metal solution
Scientist researching on plants in a laboratory
試験管を見る女性研究者
方位磁石
Copper sheet in zinc solution
Displacement reaction
Close-up of human hands holding microscope
薬品のビン
試験管の液体を見つめる40代研究員
Laboratory scientist at work
試験管を覗く30代女性研究員
研究している男性研究者
Scientist examining sample in beaker in laboratory
実験をする白衣の50代男性
Close up of scientist holding test tube
Gloved hand holding tomato
試験管を見つめる40代研究員
Female scientist and experiment
スポイトでシャーレに液体を入れる30代女性
Scientist holding a petri dish with a brain scan illustrating research into dementia, alzheimers and other brain disorders.
試験管を持つ白衣の50代男性
Scientist experimenting with fruit
Night Market, Snack, Shihlin, Taipei, Taiwan, Asia,
Scientists examining liquid in lab
Reaction of water and calcium oxide
Female scientist using FTIR spectrophotometer, taking thin film sample for measurement
イチゴの遺伝子組み換え実験をする研究者の手元
Iodine test for starch
Scientist pouring liquid into test tube
実験
Petri dish
Close-up of lab technician working with bacteria culture
Female scientist holding litmus paper
Woman examining preserves in grocery
40代男性の研究風景
Scientist performing an experiment
Scientist examining test tube in lab
Lymphatic filariasis test
顕微鏡を覗く女性研究員
実験をする30代女性
研究している女性研究者2人
実験をする白衣を着た女性
実験イメージ
研究をする20代女性研究員
Woman to study the plant
AIDS research
試験管を持つ男性の手元
研究員
Testing waste water for pollutants
Young female scholar who had schale and syringe
Scientist examining liquid in test tube
Close up of businessman holding chicken toy
Scientist dropping liquid into beaker
研究している研究者
A girl do experiment with pipette and test tube
Scholar who had schale and syringe
2本の試験管
Petri dishes
実験器具
試験管の液体を見つめる7歳の男の子
Close-up of lab technician at work