The soil reaction matrix is added to beam element stiffness matrix, and modified beam element stiffness matrix is formed.

将土反力矩阵与梁单元刚度矩阵迭加，形成修正的梁单元刚度矩阵；

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The Metal Matrix composites, prepared by in-situ reaction composite technology, can normally achieve higher mechanical properties than other traditionally prepared composites under the same condition.

利用原位反应合成法制备金属基复合材料，在同等条件下，其力学性能一般都高于强制法制备的复合材料。

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It can become foamed products by being filled into common foam system, taking part in the synthesis reaction of foam matrix and foaming predominately by its own.

它可以通过填充至普通泡沫体系中，也可以通过反应参与泡沫基体的合成及以自身为主体进行发泡成为泡沫制品。

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After rudimentary purification and regeneration of the biocatalysts, the CO2 is transferred to a Biocatalytic Reactor Matrix where mass quantities of biocatalysts function in a matrix of liquid reaction chambers breaking down CO2 and turning it into hydrocarbons.

CNN: Turning carbon dioxide into fuel