浏览图库照片和图形

$2

PNG AI

科学

Peroxisome Cellular Organelle Structure Diagram PNG on Transparent Background

微生物学

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科学

2D depiction of a liposome nanoparticle featuring a nucleus, isolated

微生物学

$2

PNG AI

医疗/健康

Transparent Background Prescription Bottle with Yellow and White Capsules PNG

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科学

a hormonal cell in transparent background

生物学

$2

PNG AI

科学

Colorful liquids in test tubes

化学

$2

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科技

Clock made of blue and yellow pills on white background

小工具

$2

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科学

a hormonal cell in transparent background

生物学

$2

PNG AI

工业

An isolated oil pumpjack extracting crude oil from the ground, set against a black coal backdrop. En

重工业

$2

PNG AI

医疗/健康

A real photo of a hand with a light blue glove holding a tube of EDTA containing red liquid

医学检测

$2

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医疗/健康

A medical intravenous (IV) bag with a connected tube

$2

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科学

Transparent beaker with yellow liquid

化学

$2

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科学

Hand holding test tube filled with vibrant red liquid on transparent background

实验