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在生产线上的检测,称为在线检测。在钢铁生产过程中,从原料到产品,从质到量,有很多项目需要检测。这些项目中,有的是不能简单地进行在线检测的,需要取样在试验室内进行试验。但从生产管理角度看,最好是在生产进行中,从前一道工序就能发现问题,以防止废品的产生。钢铁生产中一般的需要在线检测的内容,大体可以分为以下三种: （1）原料、半成品及成品的物、化性能检测（质量方面的数据）;
In the production line testing, known as online testing. In the steel production process, from raw materials to products, from quality to quantity, there are many projects that need testing. Some of these projects can not be easily tested online and require sampling to be tested in the laboratory. However, from a production management point of view, it is best to find problems in the process of production from the previous process to prevent the generation of wastes. The general need for on-line testing of steel production can be broadly divided into the following three categories: (1) Materials, semi-finished products and finished products, testing of chemical properties (quality data);