Relationship of CaCO_3 and soil aggregates in irrigated soil of the Loess Plateau,China;
黄土高原灌溉农田土壤团粒与碳酸钙关系研究
Discussion on the mechanism of loess collapsibility caused by irrigation from the aggregates stability-losing angle;
从团粒结构失稳角度探讨由灌溉引起的黄土湿陷发生机理
The results showed that much CaCO3 was distributed among loess and its aggregates.
本研究利用能谱分析(EDX)技术对黄土中碳酸钙分布进行研究,其结果表明:在黄土及其团粒中分布着很多碳酸钙,大颗粒碳酸钙数量较少,以镶嵌型分布于矿物颗粒之间;小颗粒碳酸钙数量多,主要以附着型分布在矿物表面。
This paper discusses the influence of different calcining process of the APT is roasted to produce the yellow tungsten oxide on the quality of tungsten carbide powder, investigates the cause from particle size uniformity and the quantity of agglomerated particles and improves the calcining process.
从粒度均匀性和聚集团粒量讨论了APT煅烧成WO3时的煅烧工艺对WC质量的影响,分析了引起WC粒度均匀性和聚集团粒的原因,并提出了较佳煅烧工艺。
Improving and optimizing the technology for production of compound fertilizer by agglomeration process;
团粒法复混肥生产技术的完善和优化