photos et vecteurs se concentrer

Beautiful young concentrated business woman wearing shirt using laptop while standing in modern workspace

Circular vector lines, circle concentric pattern design. Round graphic black ripple background. Abstract geometric vortex ring shapes.Radial center minimal spirals on white.Dynamic simple radius burst

man asian working laptop computer and smartphone on desk focused on his work, with a serious expression on his face.

Neumorphic background or backdrop with round concentric elements. Minimal abstract clean paper white design template with circular ripple waves. Simple modern vector illustration for company banner.

Silhouette human profile with messy line in head - metaphor of chaotic, rapid, racing thoughts. Concentration difficulty, anxiety disorders, OCD, ADHD and other mental illness.

Diffusion. experiment with water in glasses, pipette with dye and solution. The movement of molecules from a region of higher concentration to a region of lower concentration. Process of diffusion

natural tomato paste in wooden spoon isolated on white.

Radar vector icons. Signal concentric circles. Sonar sound waves isolated on white background. Fat style vector illustration EPS 10.

Young woman pharmacist holding checklist at pharmacy

Close up view of focused businessman wears computer glasses for reducing eye strain blurred vision looking at pc screen with computer reflection using internet, reading, watching, working online late.

Concentric Rings Pattern in Circle Shape. Abstract Design Element. Vector Art.

Grunge lines in Circle Form . Spiral Vector Illustration .Textured round Logo . Design element . Abstract Geometric circular shapes .Rotating grunge radial line. Concentric circles

Blue concentrated line background that can be used when you want to make the background or stand out

Jug with sweet condensed milk on white background

Osmotic pressure is the minimum pressure which needs to be applied to a solution to prevent the inward flow of its pure solvent across a semipermeable membrane.

Attention concentration, cognitive dissonance, confusion color icon. Concept of concentration exercise, productive goal setting, mind focus and mindfulness. Mental state abstract concept vector

Adorable toddler playing with construction blocks standing at kindergarten

Group of multiethnic children solve problem or search answers on difficult question. Little students with different emotions. Classmates overcome learning difficulties. Funny preschoolers. Flat vector

Abstract topography circles. Organic texture shapes. Vector outline illustrations set.

Ripple water waves top view. Realistic 3d vector caustic drop or sound splash motion effect, concentric circles in puddle. Set of round swirls on liquid surface, abstract smooth graphic aqua texture