3) equivalent grade
等效粒级;当量粒度
4) equivalent particle size
当量粒径
1.
Using scour data downstream of the spillway obtained from prototype observation of a completed project, an inverse model test is conducted so as to determine the proper equivalent particle sizes of scour resistance in the model.
应用已建工程的冲刷原型观测资料,进行模型返演试验,确定该工程溢流坝下游岩基的抗冲当量粒径。
5) equivalent entity
当量粒子
6) equivalent density
当量密度
1.
Experimental study on equivalent density of rigid colloid foam drilling fluid and theoretical computation results show that when pressure, temperature, cuttings and circulating pressure loss are considered, the actual equivalent density is bigger than the base solution when the density of the base solution is 1.
对硬胶泡沫钻井液当量密度的实验研究和理论计算结果表明 ,在基浆密度 1 。
补充资料:调和平均粒径
分子式:
CAS号:
性质:在混合颗粒中,直径为d1、d2、…dn的颗粒的质量分率,分别为x1、x2、…xn,则混合颗粒的调和平均直径可按下式计算:
CAS号:
性质:在混合颗粒中,直径为d1、d2、…dn的颗粒的质量分率,分别为x1、x2、…xn,则混合颗粒的调和平均直径可按下式计算:
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