高视创意网为您找到15097个水质分析相关的图片。
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在实验室做实验的年轻化学家学生
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Aquarium water density measurement with tds tester
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在实验室做实验的年轻化学家学生
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Person is taking a sample to measure the water quality
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在实验室做实验的年轻化学家学生
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Sustainable society concept. Environmental technology. Sustainable development goals. SDGs.
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工作在实验室的两位化学家
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Chemical flask with water, lake or river in the background.
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Sustainable society concept. Environmental technology. Sustainable development goals. SDGs.
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Sustainable society concept. Environmental technology. Sustainable development goals. SDGs.
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在实验室做实验的年轻化学家学生
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Chemical flask with water, lake or river in the background.
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Sustainable society concept. Environmental technology. Sustainable development goals. SDGs.
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Sustainable society concept. Environmental technology. Sustainable development goals. SDGs.
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在实验室做实验的年轻化学家学生
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Sustainable society concept. Environmental technology. Sustainable development goals. SDGs.
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医生手持化学试管的特写
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Sustainable society concept. Environmental technology. Sustainable development goals. SDGs.
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一位戴着外科口罩的漂亮医生在实验室进行科学研究。科学、医学、COVID-19、疫苗和医疗保健的完美镜头。
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Sustainable society concept. Environmental technology. Sustainable development goals. SDGs.
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Sustainable society concept. Environmental technology. Sustainable development goals. SDGs.
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在实验室做实验的年轻化学家学生
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Drone shot of a big biological wastewater treatment plant.Environmental technology concept. Sustainable development goals. SDGs.
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有小瓶的化学家
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Swimming pool Ph checking. Green water, green pool problem as background.
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孩子男孩在学校实验室做化学实验。戴防护眼镜的儿童研究使用移液器滴液到试管、白种人、生物化学。化学课。暑期班。
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Analysis of the PH and chlorine of the water in a swimming pool in Summer. Check quality of water with test strip, comparing results.
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医生或护士的手。病毒和细菌测试在手。医疗专业人员穿着白色外套。桌子上摆着药品、眼镜、试管和注射器。从事诊断工作的医生
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Swimming pool Ph checking. Green water, green pool problem as background.
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医生在诊所医院获取唾液测试样本
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Water Purity Test. Hand holding chemical flask with liquid, lake or river in the background.
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Sustainable society concept. Environmental technology. Sustainable development goals. SDGs.
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药物。做化学实验的实验室技术员
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Chemical flask with water, lake or river in the background.
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学校的科学和化学学生
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医疗保健、保险概念。带听诊器的年轻女医生有在线电话或咨询，医生在家使用数字平板电脑在线工作
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一名女研究员/化学学生进行前任的特写
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Man checks the purity level of tap water using water TDS meter tool, at home. Device shows 196 ppm of contaminant level, which is considered the typical value. Little girl is watching the process.
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Sustainable society concept. Environmental technology. Sustainable development goals. SDGs.
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药物合成概念的年轻男性化学家
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Sustainable society concept. Environmental technology. Sustainable development goals. SDGs.
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Sustainable society concept. Environmental technology. Sustainable development goals. SDGs.
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孩子们用放大镜看水。选择性焦点。孩子。
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Water Purity Test. Hand holding chemical flask with liquid, lake or river in the background.
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孩子们用放大镜看水。选择性焦点。孩子。
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Sustainable society concept. Environmental technology. Sustainable development goals. SDGs.
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有烧瓶的医生手
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化学学生在实验室课上做实验
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在实验室进行科学研究的年轻研究员
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女医生分析试管中的液体
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孩子们用放大镜看水。选择性焦点。孩子。
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学习医学的年轻医生
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在实验室做实验的年轻化学家学生
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女科学家化学家在实验室通过显微镜观察
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工作在实验室的老练的老科学家
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在实验室工作的年轻科学家
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在他的办公室工作时的医生。在检查了测试样品后，他将试管放入支架中。
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在实验室工作的年轻女性实验室科学家用试管
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医生在诊所医院获取唾液测试样本
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做实验的两位俏丽的科学家
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实验室技术人员进行医学测试
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探索 Covid 19 医学。研究人员手中的 COVID-19 冠状病毒疫苗瓶。带有用于 2019-nCoV COVID 病毒的 nCoV 冠状病毒疫苗的医生或劳工持有管。
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兽医在实验室做化学测试
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研究人员在实验室的分液漏斗中使用蓝色液体
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做化学实验的小学生
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在家做电物理实验作为家庭作业的孩子男孩的手的特写。孩子学习电。教育。孩子们学习物理。
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嗅觉测试。女科学家在实验室检查香草味。
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化学家科学家手里拿着玻璃试管
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使用微量移液器测试液体样品的科学家特写
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医生在诊所医院获取唾液测试样本
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实验室小组
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在诊所工作的年轻男医生
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在实验室进行样品研究的集中科学家
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用于 covid-19 测试研究的男性实验室助理防护服血液
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关于试管的女科学家观察
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坐在教室里的年轻男化学家老师
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穿着白色实验室外套的可爱女孩在实验室做实验，与世隔绝
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在制药或生物技术科学实验室处理样品的年轻科学家
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修补试管的学生男孩。孩子在家做实验。儿童家庭实验室
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在实验室用显微镜工作的女人
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工作在实验室的亚裔化学家
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科学家在试管上进行观察
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工作在实验室的人化学家
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一位身穿白色实验室外套和防护手套的女科学家将溶液与玻璃棒混合在锥形瓶中。在实验室工作。
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科学家在实验室研究
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一位美丽的女性医学或科学研究人员在实验室使用她的显微镜。
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实验室技术人员进行医学测试
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在实验室用显微镜工作的女人
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科学家在试管上进行观察
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化学家
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检查血液样本的生物学家
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男性科学家与化学品一起使用
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实验室做实验背后的化学设备和两名化学家
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科学实验室病毒研究人员特写
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药剂师在实验室做文书工作
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科学家或医生用草药叶、胶囊、片剂制作草药。手。
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男医生在医院看化验结果
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科学家在实验室做研究
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疯狂的科学家医生在实验室做实验
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