在进行涉及液氯和环氧乙烷之类高度危险性的化学品操作时，这种装置能够对装卸用的阀门进行快速、自动化的紧急切断。
They provide fast, automated emergency shut-off of loading an dunloading valves for handling very hazardous chemicals, such as chlorine or ethylene oxide.
为了简化他们的家庭openpcr仪的操作，佩尔·菲托和考埃尔一直在对化学品和技术方案进行反复组合和配对实验。
Perfetto and Cowell have been mixing and matching chemicals and protocols to simplify the process for their home kits.
与化学品，黑暗的房间存储和组织他们的工作人员，你可以自己一个CR相同的每月费用，而环保意识，取决于射线操作的大小。
With Chemicals, dark room storage and staff to organize them, you could own a CR for the same monthly cost while being environmentally conscious, depending upon the size of the Radiographic Operation.
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