机场、车站和重要活动场所的安检门都安装有金属探测器，其探测金属物的原理简化为：探测器中有一个通有交变电流的线圈，当线圈周围有金属物时，金属物中会产生涡流，涡流的磁场反过来影响线圈中的电流，使探测器报警．设线圈中交变电流的大小为1、频率为f,要提高探测器的灵敏度，可采取的措施有( )
Powder metal"printed parts,"using 3-D additive manufacturing (AM) methods using selective laser sintering (SLS,also known as SLM for"Selective Laser Melting") of metal powders run under argon,have been widely tried by many plastic injection molding die manufacturers with only limited success....
some sectors are engaged in activities that involve the earliest stages of the production cycle, such as extractingraw materials. Other sectors involve the manufacturing of goods using those raw materials. Still, other companies are engaged in ...
There are many types of industries active today.All industries require a great deal of engineering to keep new ideas and developments coming and to refine and improve manufacturing techniques.As we know,these are the main tasks of engineers:to explore new ways,invent new solutions to problems,...
This is one of the many types of ceramics made by controlling the crystallization, which has properties the same as glass with the ceramics’ toughness and strength. Properties:Theseceramics are manufactured with state of a art manufacturing process, which generates materials with enviable characte...
网络释义 1. 主要类型 主要林分类型,Main forest... ... ) main type 主要类型 )Main types主要类型) forest type 林分类型 ... www.dictall.com|基于2个网页 2. 主要型式 标准链轮的主... ... 参排 TRIPLEX 1.主要型式:MAIN TYPES标准链轮的主要型式及标记 MAIN TYPE & MARKS OF STANDA… ...
Operating activities involve the core functions of the business, such as manufacturing, distributing, marketing, and selling goods. These activities generate the company's cash flow and significantly impact its profitability. Investing activities relate to thelong-term use of cash, including purchasing ...
Avoid TypeError when non-string types are written to the index cache metadata. (#12562) conda.core.package_cache_data.UrlsData.get_url no longer fails when package_path has .conda extension. (#12516) Stop pre-converting paths to Unix style on Windows in conda.sh, so that they are prefix...
optional = false python-versions = "*" files = [ {file = "ai_edge_litert-1.0.1-cp310-cp310-macosx_10_15_x86_64.whl", hash = "sha256:48f525fed0af268f4e904b0c9c8ab174e48422f9c2506b679c468a15e6bf64fc"}, {file = "ai_edge_litert-1.0.1-cp310-cp310-macosx_12_0_arm64....
DevOps and virtually any repeatable process.Kanbancan also be used as an inventory control system used in just-in-time (JIT) manufacturing, which limits the buildup of excess inventory. Done properly, kanban can reduce expenses, improve customer satisfaction, create more efficient processes and lim...