车站每班须对（ ）进行分析（施工维修作业时设备管理单位操作产生的报警信息及昆明西站客车场因道岔号、站台限制，接发回送客车底时产生的报警信息除外），由值班干部将时间、车次、原因记入《车间（班组）工作日志》，对违反使用操作规定的应及时组织整改。
Prior to injection into the viscometer, solution samples were filtered through a 0.45 μm PTFE syringe filter. The calculation of IV and MW was performed using the following equations: $${IV}={{{\mathrm{ln}}}\left(\frac{t}{{t}_{0}}\right)/C$$ (1) $${lg}\left[{{{\rm{M}}...
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Raw sewage (10 mL), secondary-treated sewage, effluent from the domestic wastewater treatment tank (100 mL each), pig wastewater (10 mL), and river water samples (500 mL) were concentrated using a mixed cellulose ester membrane filter (diameter, 47 mm; pore size, 0.22 μm; Merck ...
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Just enter your departure and arrival points and then choose “Filter by flexible change policies.” How’s that for peace of mind? What do I need for the flight to Delray Beach? The trick to a comfortable and stress-free flight is preparation. Here are some tips that’ll help get you...
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During the PBI Global process, student awareness increased through learning by doing remotely. To participate in hands-on activities in their homes, students utilized the water testing and filter building kits from their PBI Global boxes, which enhanced the intensity, relevancy, and personalization of...
This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https:// creativecommons.org/licenses/by/ 4.0/). 1. Introduction The teaching and learning of science, technology, engineering, and mathematics (STEM) receives ...