机械组成 meaning in English
mechanical composition
Examples
- The study of analyzing the mechanical of aeolian sandy soil using straw based on experiment
应用吸管法进行风沙土机械组成分析的实验研究 - Correlation analysis between black soil textures and total carbon , nitrogen , phosphorus , kalium contents in shuangcheng cropland
双城市农田黑土机械组成与土壤全碳和全氮磷钾养分含量的相关性分析 - As for h2 and h3 derived from quaternary deposits , the textures of soils would become heavy because of soil erosion , whereas t2 and t3 of red soil of granite became sandification
土壤侵蚀会引起土壤机械组成的改变。对于第四纪粘土发育的红壤，土壤质地粘重，而花岗岩红壤，侵蚀使其趋向砂质化。 - There are higher potassium and calcium carbonate content , larger ph , lower organic matter , nitrogen and phosphoric . compared sandy soil with zonal soil , mechanical composition is coarsal , there are no substance leaching . 3
土壤钾素、碳酸钙和ph值较高，有机质和氮、磷养分贫乏，风沙土与地带性土壤相比，机械组成明显粗化，物质未发生淋溶淀积。 - 4 . in the process of spontaneous vegetation recovery of blown sand soil , coarse sands ( l - 0 . 25mm ) content gradually lower , middle sands ( 0 . 25 - 0 . 05mm ) and fine sands ( 0 . 05 - 0 . 02mm ) , silt , clay content gradually higher in mechanical composition
4 、在自然植被恢复过程中，风沙土机械组成中砂粒含量变化表现为粗砂含量的降低，中砂和细砂含量的升高，砂粒整体含量降低。