grain-size composition的意思|示意

The results showed that permeability of soil in karst area was effected by the soil structure, grain size composition, mineral composition and plant root.

研究结果表明，喀斯特地区土体渗透系数受土体结构、粒度成分、矿物成分以及植物根系影响。

Fly ash grain composition, particle size distribution are the important process parameters that effect the molding of body stock of high content fly ash sintered porous product.

粉煤灰的颗粒组成、粒度分布是影响高掺量粉煤灰烧结空心制品坯料成型工艺的重要参数。

In sum, using laser grain-size analysis in studying soil mechanical composition was feasible.

总之，运用激光粒度分析土壤机械组成是可行的。

The relationship between the boron hardenability factor and the equilibrium segregation of boron to grain boundary, the composition of steel, the austenitizing temperature, grain size was studied.

研究了硼淬透性因子与硼的晶界平衡集聚规律、钢的成分、奥氏体化温度及晶粒尺寸的关系。建立了硼的晶界平衡集聚方程。

The results show that carbonate content is influenced by grain-size composition and source of the sediments.

结果表明，沉积物中碳酸盐含量明显受沉积物粒度组成和物源的影响。

The occurrence of the lower limit of bed material size is attributed to the grain size composition of incoming sediment and the fining mechanism.

研究认为河床质调整极限是由来沙组成及河床质细化机制决定的。