4954 résultats pour : concentration

Page
sur
50

Connectez-vous pour plus de résultats

Young chemistry students wearing lab coats performing experiment using test tubes and other

BRK25C49_406

Young chemistry students wearing lab coats perform...

Focused student pinning a paper on a bulletin board in a university hallway, with another student

BRK25C04_070

Focused student pinning a paper on a bulletin boar...

Multi ethnic university students wearing lab coats conducting a chemistry experiment using colorful

BRK25C37_396

Multi ethnic university students wearing lab coats...

Multi ethnic group of high school students attending a lesson, a girl is raising her hand to ask a

BRK25C38_169

Multi ethnic group of high school students attendi...

University students in lab coats conducting a chemistry experiment, using lab equipment and

BRK25C08_137

University students in lab coats conducting a chem...

Frustration at school, arithmetic, lack of concentration, 7 year old girl looks unhappy and

BRK25C22_081

Frustration at school, arithmetic, lack of concent...

Diverse group of university chemistry students conducting an experiment in a laboratory,

BRK25C03_497

Diverse group of university chemistry students con...

Group of multi ethnic medical students learning anatomy with anatomical model at university

BRK25C38_154

Group of multi ethnic medical students learning an...

The East Frisian North Sea island of Juist in winter, marsh meadows in the west of the island,

BRK25C14_275

The East Frisian North Sea island of Juist in wint...

Group of diverse medical students learning human anatomy using anatomical models in a university

BRK25C08_262

Group of diverse medical students learning human a...

Female professor engaging students in a lesson within a university classroom, fostering an

BRK25C38_090

Female professor engaging students in a lesson wit...

Cheerful professor is teaching a lesson to a diverse group of university students in a modern

BRK25C41_276

Cheerful professor is teaching a lesson to a diver...

The East Frisian North Sea island of Juist in winter, marsh meadows in the west of the island,

BRK25C16_086

The East Frisian North Sea island of Juist in wint...

Chemistry teacher showing test tube with chemical reaction to students during experiment in

BRK25C44_062

Chemistry teacher showing test tube with chemical ...

University professor pointing at a student raising hand to answer a question during a lesson in

BRK25C47_452

University professor pointing at a student raising...

The East Frisian North Sea island of Juist in winter, marsh meadows in the west of the island,

BRK25C17_104

The East Frisian North Sea island of Juist in wint...

Multi ethnic university students attending class and following lesson in classroom, teacher

BRK25C49_100

Multi ethnic university students attending class a...

Professor showing anatomical heart model to students during anatomy lesson in university laboratory

BRK25C03_498

Professor showing anatomical heart model to studen...

The East Frisian North Sea island of Juist in winter, marsh meadows in the west of the island,

BRK25C15_001

The East Frisian North Sea island of Juist in wint...

Two men are engaged in a focused discussion while looking at a laptop, showing teamwork and

BRK25C37_488

Two men are engaged in a focused discussion while ...

Multi ethnic group of university students attending a chemistry lesson in a laboratory, teacher

BRK25C37_487

Multi ethnic group of university students attendin...

Brain power, Creative concept of human brain in illustration. Abstract brain concept Creative brain

BRK25C46_131

Brain power, Creative concept of human brain in il...

Smiling medical student holding anatomical model of female reproductive organs during anatomy class

BRK25C49_247

Smiling medical student holding anatomical model o...

The East Frisian North Sea island of Juist in winter, marshy meadows in the west of the island,

BRK25C14_066

The East Frisian North Sea island of Juist in wint...

Brauweiler near Pulheim, abbey, memorial to former labour camp, workshop building

BRK25C20_386

Brauweiler near Pulheim, abbey, memorial to former...

Brauweiler near Pulheim, abbey, memorial to former labour camp, workshop building

BRK25C28_201

Brauweiler near Pulheim, abbey, memorial to former...

Brauweiler near Pulheim, abbey, memorial to former labour camp, workshop building

BRK25C36_393

Brauweiler near Pulheim, abbey, memorial to former...

Brauweiler near Pulheim, abbey, memorial to former labour camp, workshop building

BRK25C24_475

Brauweiler near Pulheim, abbey, memorial to former...

Brauweiler near Pulheim, abbey, former labour camp memorial, woman's refuge

BRK25C35_154

Brauweiler near Pulheim, abbey, former labour camp...

Brauweiler near Pulheim, abbey, former labour camp memorial, woman's refuge

BRK25C23_382

Brauweiler near Pulheim, abbey, former labour camp...

Brauweiler near Pulheim, abbey, former labour camp memorial, woman's refuge

BRK25C31_286

Brauweiler near Pulheim, abbey, former labour camp...

Brauweiler near Pulheim, abbey, former labour camp memorial, woman's refuge

BRK25C20_246

Brauweiler near Pulheim, abbey, former labour camp...

Gingerbread house decorations, focusing on the intricate icing details, colorful candy, and soft,

BRK25B70_053

Gingerbread house decorations, focusing on the int...

Gingerbread house decorations, focusing on the intricate icing details, colorful candy, and soft,

BRK25B74_311

Gingerbread house decorations, focusing on the int...

Max Planck Institute of Molecular Cell Biology and Genetics

BRK25B59_432

Max Planck Institute of Molecular Cell Biology and...

Beautiful multicolored iris flower isolated in white. Close up

BRK25B65_115

Beautiful multicolored iris flower isolated in whi...

Beautiful little plant, succulent in a small flower pot. on the wooden background

BRK25B65_227

Beautiful little plant, succulent in a small flowe...

Young light green leaves of tropical lianas in a botanical garden Closeup. Blurred background

BRK25B65_262

Young light green leaves of tropical lianas in a b...

Rhododendron (azalea) flowers of various colors in the spring garden. Closeup. Blurred background

BRK25B82_499

Rhododendron (azalea) flowers of various colors in...

Rhododendron (azalea) flowers of various colors in the spring garden. Closeup. Blurred background

BRK25B92_270

Rhododendron (azalea) flowers of various colors in...

Symbolic image cyber attack, computer crime, cybercrime, computer hackers attack the IT

BRK25B69_354

Symbolic image cyber attack, computer crime, cyber...

Symbolic image cyberattack, computer crime, cybercrime, computer hackers attack the IT

BRK25B86_486

Symbolic image cyberattack, computer crime, cyberc...

Beautiful little plant, succulent in a small flower pot. on the wooden background

BRK25B82_441

Beautiful little plant, succulent in a small flowe...

Purple aquilegia (columbine) flower on a green blurred background. Closeup

BRK25B83_002

Purple aquilegia (columbine) flower on a green blu...

May Day march and rally at Trafalgar Square, London, England, UK May 1st, 2010

BRK25B73_443

May Day march and rally at Trafalgar Square, Londo...

Max Planck Institute of Molecular Cell Biology and Genetics

BRK25B52_114

Max Planck Institute of Molecular Cell Biology and...

Busy young african american girl working on a computer in an office setting. generative AI

BRK25B55_012

Busy young african american girl working on a comp...

Symbolic image cyber attack, computer crime, cybercrime, computer hackers attack a network,

BRK25B96_366

Symbolic image cyber attack, computer crime, cyber...

Rhododendron (azalea) flowers of various colors in the spring garden. Closeup. Blurred background

BRK25B65_264

Rhododendron (azalea) flowers of various colors in...

Beautiful multicolored iris flower bloom in the garden. Close up, fragility and summer concept

BRK25B65_267

Beautiful multicolored iris flower bloom in the ga...

Sterling Heights, Michigan, Workers serve up Chickenjoy fried chicken at Jollibee, a Filipino fast

BRK25B82_007

Sterling Heights, Michigan, Workers serve up Chick...

Beautiful multicolored iris flower isolated in white. Close up

BRK25B83_001

Beautiful multicolored iris flower isolated in whi...

Rhododendron (azalea) flowers of various colors in the spring garden. Closeup. Blurred background

BRK25B92_269

Rhododendron (azalea) flowers of various colors in...

Set of beautiful little plant, succulent in a small plastic flower pot

BRK25B74_099

Set of beautiful little plant, succulent in a smal...

Symbolic image hacker, cyber attack on public buildings, administrations, institutions, town hall,

BRK25B78_156

Symbolic image hacker, cyber attack on public buil...

Close up of driver praying in his vehicle, Driver male praying in his vehicle before leaving.

BRK25B60_346

Close up of driver praying in his vehicle, Driver ...

Beautiful multicolored iris flower bloom in the garden. Close up, fragility and summer concept

BRK25B74_041

Beautiful multicolored iris flower bloom in the ga...

Beautiful rhododendrons of different colors in the garden

BRK25B74_088

Beautiful rhododendrons of different colors in the...

Beautiful orchids of different colors on green background in the garden. Lady's-slipper hybrids.

BRK25B82_500

Beautiful orchids of different colors on green bac...

Beautiful orchids of different colors on white and grey background. Phalaenopsis hybrids. Close up

BRK25B92_271

Beautiful orchids of different colors on white and...

Japanese Zen stone garden, relaxation, meditation, simplicity and balance concept, pebbles and

BRK25B59_342

Japanese Zen stone garden, relaxation, meditation,...

Striking Indian mineworkers, led by Mahatma Gandhi, during their march from Newcastle to the

BRK25B51_385

Striking Indian mineworkers, led by Mahatma Gandhi...

Zen stones stack on sand waves in a minimalist setting for balance and harmony. Balance, harmony,

BRK25B74_102

Zen stones stack on sand waves in a minimalist set...

Torture instruments in the Fort Breendonk Museum, Belgium, Europe

BRK25B59_175

Torture instruments in the Fort Breendonk Museum, ...

Memorial plaque in the former Dachau concentration camp, now a concentration camp memorial, Dachau

BRK25B80_049

Memorial plaque in the former Dachau concentration...

Stunt aerobatic plane performing stunts in blue sky with smoke trail. Concept of teamwork,

BRK25B80_446

Stunt aerobatic plane performing stunts in blue sk...

Prison cells at Fort Breendonk, Belgium, Europe

BRK25B59_176

Prison cells at Fort Breendonk, Belgium, Europe

Two colleagues discuss their work looking at a tablet, with friendly expressions and concentrated.

BRK25B82_099

Two colleagues discuss their work looking at a tab...

Topic: Working world, Office, Bonn, 04.07.2024

BRK25B90_411

Topic: Working world, Office, Bonn, 04.07.2024

Jaguar (Panthera onca) with radio collar sneaks through the grass, captive, Conservation Land Trust

BRK25B53_470

Jaguar (Panthera onca) with radio collar sneaks th...

Bunk beds in the barrack room at Fort Breendonk, Belgium, Europe

BRK25B59_174

Bunk beds in the barrack room at Fort Breendonk, B...

Ravensbrück Memorial in Fürstenberg. Former concentration camp for woman during the National

BRK25B64_364

Ravensbrück Memorial in Fürstenberg. Former concen...

Visit to the Sachsenhausen Concentration Camp Memorial on the occasion of the programme 'Äô Youth

BRK25B73_357

Visit to the Sachsenhausen Concentration Camp Memo...

A bear in close-up looks concentrated and attentive, Eurasian brown bear (Ursus arctos arctos),

BRK25B90_075

A bear in close-up looks concentrated and attentiv...

A middle-aged Caucasian man assumes the static posture of Tree Hugging, an essential technique in

BRK25B91_346

A middle-aged Caucasian man assumes the static pos...

The subject of taxes. A man holds receipts in his hand in Berlin, 09/08/2024

BRK25B82_080

The subject of taxes. A man holds receipts in his ...

A person does a kickflip on a skateboard in Berlin, 16/08/2024

BRK25B91_429

A person does a kickflip on a skateboard in Berlin...

Stunt aerobatic plane performing stunts in blue sky with smoke trail. Concept of teamwork,

BRK25B70_305

Stunt aerobatic plane performing stunts in blue sk...

Three stunt aerobatic planes performing stunts in blue sky with smoke trail. Concept of teamwork,

BRK25B85_256

Three stunt aerobatic planes performing stunts in ...

Stunt aerobatic plane performing stunts in blue sky. Concept of speed, difficulty, precision, risk,

BRK25B94_128

Stunt aerobatic plane performing stunts in blue sk...

Visitors with audio guide looking at pictures of prisoners at Fort Breendonk, Belgium, Europe

BRK25B59_173

Visitors with audio guide looking at pictures of p...

Lisa Paus, (Alliance 90/The Greens), Federal Minister for Family Affairs, Senior Citizens, Women

BRK25B73_358

Lisa Paus, (Alliance 90/The Greens), Federal Minis...

Annalena Bärbock (Alliance 90/The Greens), Federal Foreign Minister, visits the Ravensbrück

BRK25B84_177

Annalena Bärbock (Alliance 90/The Greens), Federal...

Ravensbrück Memorial in Fürstenberg. Former concentration camp for woman during the National

BRK25B64_365

Ravensbrück Memorial in Fürstenberg. Former concen...

A musician on stage concentrates on his sheet music in the spotlight, Christmas market, Nagold,

BRK25B71_234

A musician on stage concentrates on his sheet musi...

Texture of a boulder with moss and lichen

BRK25B08_368

Texture of a boulder with moss and lichen

Devotees take part on a foot-march on the occasion of Vijay Dashmi, in Guwahati, Assam, India on

BRK25B45_463

Devotees take part on a foot-march on the occasion...

Pupils taking part in military exercises as army cadets, South of England, United Kingdom, late

BRK25B00_274

Pupils taking part in military exercises as army c...

Max Planck Institute of Molecular Cell Biology and Genetics

BRK25B14_497

Max Planck Institute of Molecular Cell Biology and...

Rhododendron (azalea) flowers of various colors in the spring garden. Closeup. Blurred background

BRK25B27_247

Rhododendron (azalea) flowers of various colors in...

Lilac flowers of dark purple color in the spring garden. Closeup. Blurred background

BRK25B34_469

Lilac flowers of dark purple color in the spring g...

Beautiful little plant, succulent in a small ceramic flower pot with decorative stones

BRK25B35_281

Beautiful little plant, succulent in a small ceram...

Freelancer performing remote work from home with laptop connectivity, AI generated

BRK25B44_135

Freelancer performing remote work from home with l...

Colorful purple Iris in a botanical garden

BRK25B09_021

Colorful purple Iris in a botanical garden

Traditional costumes in Germany around 1820, Rhine Province Prussia, Wetzlar, Three woman in

BRK25B22_138

Traditional costumes in Germany around 1820, Rhine...

Portrait of the Jewish doctor Dr Spier, murdered in Auschwitz, mural in a subway by street artist

BRK25B30_034

Portrait of the Jewish doctor Dr Spier, murdered i...

Athletic woman pumping her abs using sports equipment of a residential area in the morning

BRK25B40_412

Athletic woman pumping her abs using sports equipm...

With ENHANCED BATTERY SOLUTIONS GmbH (EBSL), VON ARDENNE has founded an innovative start-up that

BRK25B17_055

With ENHANCED BATTERY SOLUTIONS GmbH (EBSL), VON A...

Scilla blooming in the botanical garden in spring

BRK25B34_390

Scilla blooming in the botanical garden in spring

Elderly man thinking with hand on chin isolated. Pensive old man in glasses with hand on chin

BRK25B47_461

Elderly man thinking with hand on chin isolated. P...

Page
sur
50