变质度

研究了一种评定AlSi合金变质度的新方法。

A new method for evaluating Al Si alloy modification rate was developed .

根据扫描电镜照片，对Si相分类统计，用概率统计求其数学期望值来定义变质度。

The modification rate was defined as statistic probability for expectated value based on the classified Si phase SEM photos .

评定Al-Si合金变质度的新方法

A New Method for Evaluating Al-Si Alloys Modification Degree

喷吹低变质度、高活性组份含量的煤可以获得较高的燃烧率和较大的喷煤量。

Higher combustibility and coal injection rate can be acquired in BF by using the coal with lower metamorphic degree and higher content of active matter .

由于天下雨，食物又变质，我们度了个倒霉的假日。

What with the rain and the bad food , we have a very miserable holiday .

最后使用该装置进行了实验，实验结果表明，检测装置在噪声干扰下，利用上述方法检测的盒装液态奶变质的准确度接近理论值，检测精度较高。

Using the device puts up the experiment , the result indicates that the boxed liquid milk quality accuracy closes to the theoretical value with the noise . The above-mentioned method has higher detection accuracy .

此外，如果烘焙的豆子出油，则表示已经变质，不但香醇度降低，而且会出现涩味和酸味。

In addition , if baked beans out of the oil , then that has changed , not only alcohol was reduced , and there will be astringent and sour .

研究了Ce、K、Na复合变质处理对钨白口铸铁组织和性能的影响，提出了评价碳化物变质效果的圆度概念。

The influences of Ce , K and Na on the structures and properties of tungsten alloy white cast iron ( TAWCI ) were researched , and the idea of estimating nodular effect of carbides using the circular degree ( C.D ) was put forward .