写真素材の検索結果

Germany, Bavaria, Bunsen burner with protection goggles

Germany, Munich, Art foundry, Bunsen burner

Germany, Munich, Art foundry, Bunsen burner

Bunsen burner

Lit bunsen burner

Bunsen burner with pilot light

Bunsen burner

Iron filings in a bunsen flame

Boiling water with a Bunsen burner.

Producing gas

Conical flask on a tripod containing water being heated

Boiling water with a Bunsen burner

Goldsmith working with Bunsen burner on workpiece

Goldsmith working with Bunsen burner on workpiece

Goldsmith working with Bunsen burner on workpiece

Burning aluminium

Burning iron

Orange juice being boiled on a Bunsen

ガスバーナーで切断した鉄骨

Water being heated

A plumbers hot gas soldering burner heating a copper elbow fitting to join two copper water pipes

Goldsmith working with bunsen burner on ring

Goldsmith working with Bunsen burner on workpiece

Burning lithium

Thermolysis of mercury oxide

鋳造職人

Thermistor calibration

Heating copper sulphate solution

Heating magnesium in a flame

Heating sulphur

Strontium flame test

Flame test on potassium

Flame test on sodium

Lithium flame test

Lithium flame test

Barium flame test

Strontium flame test

Potassium flame test

Sodium flame test

Calcium flame test

Lithium flame test

Burning magnesium

Burnt copper

Copper flame test

Heating sugar

Heating an iron nail

Chemistry apparatus

Chemistry apparatus

Copper powder being heated

Test tube of sulphur and iron mix

Heating water and copper sulphate

ガスバーナー

ガスバーナー

ガスバーナー

Evaporating water using a sand tray

ガスコンロ

道路の消火栓の補修工事

Heating water

Water being heated

Heating water

Convection experiment with paper dots

Flame test for calcium.

Germany, Bavaria, Mature woman making glass beads

Germany, Bavaria, Mature woman making glass beads

Young male and female scientists using pipette and bunsen burner in laboratory experiment

Complete combustion experiment

Copper chemistry experiment

Heating zinc in a flame

Gas burner, close-up

Gas burner, close-up

Heating zinc oxide

ガスバーナー

ガスバーナー

ガスバーナー

ガスバーナー

ガスバーナー

ガスバーナー

ガスバーナー

道路工事現場のアスファルト

道路工事現場のアスファルト

Conduction of heat

Copper carbonate being heated

Iron filings being heated

Aluminium chloride preparation

Distillation apparatus

Organic synthesis

道路工事のガスバーナー

熱気球

熱気球

熱気球

熱気球

熱気球

熱気球

熱気球

熱気球

熱気球

熱気球

熱気球

熱気球

熱気球

熱気球

熱気球

熱気球

ガスバーナーで炭に着火する

ガスバーナーで炭に着火する

ガスバーナーで炭に着火する

ガスバーナーで炭に着火する

道路工事用のガスバーナーの噴射口

Germany, Bavaria, Mature woman making glass beads

Germany, Bavaria, Mature woman making glass beads

Germany, Bavaria, Mature woman making glass beads

Holding microscope slide over flame

Holding microscope slide over flame

Holding microscope slide over flame

Holding microscope slide over flame

Flame test for strontium.

Germany, Bavaria, Mature woman making glass beads

A saucepan, a blowtorch, a spiraliser, cookie cutters, and a melon baller

Iron and sulfur reaction

Separating salt from rock salt

Separating salt from rock salt

Apparatus for electrolysis of seawater

Sterilising a wire loop

Evaporating water from a brine solution

Copper sulphate being heated

Copper flame test

Potassium flame test

Sodium flame test

Scientist in lab working with liquids

Scientist in lab working with liquids

Fehling's reaction

Chemistry experiment

Chemistry experiment

Stove in restaurant kitchen

Iodine sublimation

Boiling proteins

Nitrobenzene preparation

Silversmith at work

Silversmith at work

Silversmith using blow torch

Blowtorch on metal in workshop, close-up

Young male and female scientists using pipette and bunsen burner in laboratory experiment, cropped

Copper oxidation experiment

Young female and male scientists experimenting with liquid and bunsen burner in laboratory, cropped

Young female and male scientists experimenting with liquid and bunsen burner in laboratory, cropped

Scientist working with petri dish

Pipetting samples

Pipetting samples

Pipetting samples

Pipetting samples

Pipetting samples

Pipetting samples

Thermogram, gas burner, temp variation

Student working in chemistry lab

Student working in chemistry lab

Student working in chemistry lab

Student standing in chemistry lab

Burning copper

The flame

The flame

The flame

Germany, Upper Bavaria, Munich, Schaeftlarn, Welding torch at work, close up

Haloalkane test

Reduction of copper

Safety glasses in lab during a research experiment

焼きプリン作り

ガスバーナーを使う男性の手元

Silver oxide decomposition

Motor saw on ground in front of stack of wood

Germany, Bavaria, Tools in box, close up

Scientist working in lab

Scientist examining DNA code in laboratory

Chef preparing dessert with bunsen burner

キャンプ用品

man making a fire outdoor

Germany, Upper Bavaria, Schaeftlarn, Work tools, close up

Germany, Upper Bavaria, Schaeftlarn, Work tools, close up

Germany, Bavaria, Printing press for copperplate printing in print shop, close up

Glass blower forming melting glass

Glass blower forming melting glass

Glass blower forming melting glass

Glass blower forming melting glass

Glass blower forming melting glass

Hands of glass blower forming melting glass

Senior man forming melting glass

Work tools near planks on sunny day

Flame test for barium.

Flame test for lithium.

ガスバーナー

Timber plank at carpentry workshop

Germany, Bavaria, Shelf with tools in workshop

Safety goggles on cement floor

Assortment of tools on wooden table outsoors

炎色反応

炎色反応

Microbiology culture preparation

Microbiology culture preparation

Measuring heat conductivity

Gas burner

Toolbox