What is the recovery rate?

1. The recovery rate is the degree of loss of the reaction sample during the analysis of the sample. The less the loss, the higher the recovery rate. If the standard solution is 1 PPM, it is 1 mg/L, and the standard data is 0.99 mg/L. That is to say, your recovery rate is 99%, .......

Shaanxi Hande Completely Deploys 2009 Lean Production Promotion Work

Recently, Han Zhan’s general manager Wang Zhanchao, various production unit leaders and all employees of the Lean Production Promotion Office held a special meeting to summarize the lean production work in 2008 and made arrangements for the continuous promotion of lean product.......

Electric vehicle interface standard unification

Will 2012 become the ice-breaking year for the development of standardized electric vehicle industry? The Wanli Long March has taken the first step.

Everything is clearing the day.

The chaotic situation of the lack of development standards in.......

How to maintain car in hot summer

Higher temperatures in the summertime will not only cause accidents but also cause some damage to the vehicles. Then, what are the tips for caring for your car and improving the safety of driving? The foll.......