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1·Soil grain composition, soil carbon and soil nitrogen were identified as the most important factors in shaping nematode communities.

土壤颗粒组成、碳含量和氮含量是影响线虫群落结构的主要环境因子。

2·The paper describes influence, importance and requirements of sand grain composition and its control methods in the sand-lime brick production.

本文综合论述灰砂砖生产中砂子颗粒级配的影响、要求和重要作用以及应当进行控制的工艺环节和措施。

3·The results of computation show that the model and the arithmetic are feasible for optimization of grain composition of packing particles in general.

计算结果表明所给的优化模型及算法对于堆积颗粒系统中颗粒级配的优化是可行的。

4·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。

5·The authors also try to improve grain composition of soil by replacing cement soil with some sand to reduce influence of environmental change to strength of cement improved soil.

本文还通过在改良土中置换一定比例的砂土来改善土料的颗粒级配，以降低循环失水对水泥土强度的影响。

6·The result shows that different mineral binder composition and different EPS grain have great influence on performance of EPS thermal insulation mortar.

结果表明，在聚苯颗粒保温浆料中胶粉料材料组成不同、采用的聚苯颗粒不同，对聚苯颗粒保温浆料的性能有很大的影响。

7·Based on the influencing factors on asphalt mixture quality and service life of pavement, the control methods of broken stone diameter, gradation, composition, content of grain less than 0.

针对影响沥青混合料生产质量及沥青路面使用寿命的各种因素，提出对碎石粒径与级配、颗粒组成一致性、粗集料中0。

8·Physical and chemical parameters and grain size composition of mortar shall meet requirements specified in table 28.

耐火砌泥的物理及化学参数以及粒度分布应该满足表28中指定的要求。

9·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。

10·It reviews the optimization measures of Al-Si piston alloy, including kinds, chemical composition, grain refinement, modification, alloying and heat treatment.

评述了铝硅活塞合金的种类，化学成分，晶粒细化，变质处理，合金化和热处理工艺等优化手段。