1) reverse-graded media
逆粒度滤料(反向级配)
2) graded filtering media
级配滤料
3) Particle gradation
粒度级配
1.
In the paper,the development in preparing ultrafine explosive at home and abroad is comprehensively analyzed,and a disquisitive content was set up by consulting the domestic and overseas correlative datum,that is NTO ultrafine and particle gradation with using supercritical CO2 anti-solvent.
本文的具体方案主要有两部分,即用GAS法超细化NTO及其粒度级配。
2.
The present development of the explosive of thinning and particle gradation both hereand abroad is summarized in the paper.
本论文综述了目前国内外关于炸药细化技术及粒度级配的研究进展。
4) grain graduation
粒度级配
1.
In order to guarantee that the products of spinelbased inert anode possess high volume density and low porosity, based on the theory of ball arrangement and started with grain composition of the raw material, the grain graduation of spinel was studied experimentally.
实验中根据不同的产品规格,设定了4种不同的主颗粒,通过测量振实密度以寻求最佳的粒度级配。
5) coarseness of grading
级配粒度
6) grain size distribution
粒度级配
1.
Based on the service conditions of the lance for molten iron pretreatment,this paper analyzes the grain size distribution and the selection of the micro-powder and admixtures,and probes into the influences of introducing the andalusite and carborundum on its thermal shock resistance and slag resistance.
根据铁水预处理喷枪的使用条件,分析了其耐火浇注料的粒度级配以及微粉和外加剂的选用问题,探讨了引入红柱石、碳化硅对抗热震性和抗渣侵蚀性的影响。
补充资料：多层滤料滤池
分子式：
CAS号：
性质：一种下流式重力深床滤池。一般采用3种滤料，上层为无烟煤(粒径1～2mm)，中层为砂(粒径0.4～0.8mm)，底层为石榴石(粒径<0.5mm)。过滤速度为10m/h，反冲强度为48～72m/h。在对生物处理后的出水进行过滤时，需采取某种形式的辅助冲洗措施。
CAS号：
性质：一种下流式重力深床滤池。一般采用3种滤料，上层为无烟煤(粒径1～2mm)，中层为砂(粒径0.4～0.8mm)，底层为石榴石(粒径<0.5mm)。过滤速度为10m/h，反冲强度为48～72m/h。在对生物处理后的出水进行过滤时，需采取某种形式的辅助冲洗措施。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条