本文叙述使用两个荧光参比溶液调节仪器的荧光强度测量法。

A measurement of fluorimetric intensity by using two fluorimetric reference solutions to check the instrument is described.

youdao

采用有限单元法对车体结构的强度、刚度、稳定性、挠跨比、扭转刚度进行计算，为车体设计提供了参考依据。

The strength, rigidity, stability and torsional rigidity of the bodywork structure were calculated by using finite element analysis. Thus the optimum fillet of the bodywork structure can be specified.

youdao

试验结果表明，加入湿法白炭黑超细粉的试样拉伸强度比添加气相法白炭黑者提高了54%，扯断伸长率提高了64%，磨耗量降低了20%。

The results showed that the sample by adding the ultrafine powders of silica aerogel increased the tensile strength 54%, the elongation at break 64%, decreased the abrasion loss 20%.

youdao