这也从分形理论的角度证明了在超塑性固相焊接头的形成过程中，焊接面各微区的焊合状态是非均匀性的。
It is proved by fractal theory that the welded state of every micro zone at welded surface is uneven in the formation process of isothermal superplastic solid-state welding joint.
利用分形维数定量表征催化剂的形状不规则程度，对其中进行的气-固相催化反应进行了分析计算。
The fractal theory was introduced into the gas solid catalytic reaction system to describe the influence of the surface irregularity of catalyst on the gas solid catalytic reaction.
实验条件下，麦草浆黑液固形物固定床热解后约三分之一转化为挥发分，余下为固体残渣。
Under the experimental condition, one third volatile was yielded during pyrolysis of black liquor solids from wheat straw pulping in the fixed bed pyrolysis apparatus, and other was solid residue.
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