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laboratory technician working with blood samples
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test tubes with samples in a rack 4k
將樣本注入試管中
student taking notes in a chemistry lab
吸入空氣 進去科學小瓶子
chocolatier pouring ganache filling into chocolate mold preparing candy with a pastry bag
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trial and error lab testing of mother earth's natural resources
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laboratory worker preparing experiment at lab
塑膠測量圓柱體在實驗室中
通過 pipette 的方法,在實驗室中使用 pps 緩衝溶液
color changes in liquids using ph indicators
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close up of film clapperboard or slate with camera lenses and lighting accessories shooting movie or video in studio
twisting off the test tube to drip human stool sample onto rapid test cassette for testing in fecal occult blood in laboratory
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plumber explaining invoice
platelet-rich plasma preparation. plasma in syringe. centrifuge. background
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woman check heart rate
一位化學家在瓶子裡用彩色液體進行實驗室實驗
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hands, scientist and pipette on plate in close up
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vertical video close up of film clapperboard or slate with camera lenses and lighting accessories shooting movie or video in studio
通過 pipette 的方法,在實驗室中進行 pbs 緩衝溶液的測試
medical lab technician performing blood tests
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pouring liquid into glasses for color change experiment
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chemistry experiment with liquid color changes
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在微鏡下放置幻燈片
drop blood sample on test strip. blood testing strip. express hiv test
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hiv test in lab
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observing color changes with different ph solutions
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在實驗室工作中的科學家
woman putting paper inside of an envelope
bom bom chocolate
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technology scientist conducting modern research in lab setting with test tubes and equipment
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makeup palette and face paints
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scientist in the lab analyzing water from aqua farming tank with brine shrimps
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scientists in protective suits working together
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medical ampoules on drug manufacturing line
woman putting paper inside of an envelope
scientist hand writing on test beakers
observing color changes with different ph solutions
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dental technician preparing for work
medical technician in gloves putting the reactuon tube on sample position of chemistry analyzer
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pouring liquid into glasses for color change
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scientist working on a medical device in a laboratory
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vitamin c and iodine reaction experiment
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color change experiment with butterfly pea flower extract
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observing color changes with ph variations
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用手套和口罩的专业医生手里拿着医疗注射器,准备注射
observing color changes with vinegar and solutions
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scientist examining soybean seed test results for gmo and imperfections
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高中化學課的寫作任務
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laboratory assistant swapping human stool samples with a small rod and mixing the feces to prepare samples for testing on blood with rapid test cassette in small laboratory in clinic
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