查询词典 oolite

A small rounded accretionary mass,usually of calcium carbonate,larger and less regular than an oolite.

豆岩一种小的圆形沉积岩，常为碳酸钙，比鲕状岩大且不规则

Oolite lime sand packs naturally with 40% porosity because the particles are essentially spheroids.

自然堆积的灰质鲕粒砂具有40％的孔隙度，因为其颗粒其本上都是球状的。

The structure of oolite layers and the recrystallization and replacement of concretes can be used to make comparative explanatio of the formation mechanism and growth genesis of uro-lith stones.

沉积鲕石、核形石的分层结构和再结晶交代现象等，可以对比应用于尿石的形成和发育机理的解释；同时，尿路结石形成理论中的局部过饱和以及取向附生学说，也可引进于沉积鲕石、核形石和结核的形成理论中。

Among them the generalized permeability model for carbonates, which provides a vital link between petrophysical and geological models, has been introduced in this paper and applied to the permeability calculation of oolite gas reservoir bed in a exploration well in Sichuan Basin.

同传统指数模型、Winland-Pittman模型、Garman-Kozeny模型、Bryan-Finney模型相比，一般渗透率计算模型更能将岩石渗透率和地质参数有机地联系起来。

New progress has been got in dephosphorizing of Fe concentrates owing to the development of RA-31 and DA-18 with success. mineral processing ; refractory iron ores ; oolite ; high-phosphorus iron ores ; iron increasing and phosphorus reducing ; flotation reagents

根据鄂西铁矿石的特点进行了选矿药剂及相应的浮选和絮凝选矿工艺的研究，研制成功了RD-31捕收剂和DA-18选择性絮凝剂，采用磁选-脱泥-反浮选工艺流程，对武钢矿业公司科技处提供的鄂西铁矿混合矿样(WE-1样)进行

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。