查询词典 used sand

Quartz sand is one of the most widely used non-metallic materials, it will be very important practical significance to the development of the national economy to enhance the sorting of raw materials of quartz sand and improve its purity quotient.

石英砂是目前应用最广泛的非金属原料之一，加强对石英砂原料的分选、提高石英产品的纯度，对国民经济的发展具有重要的现实意义。

The machine can be applied in drying of raw materials such as yellow sand, slag, clay, quartz sand etc., and widely used in industries such as dry mortar, cement, building materials, glass, chemicals, and casting etc.

该机用于烘干黄砂、矿渣、粘土、石英砂等原材料，广泛应用于干混砂浆、水泥、建材、玻璃、化工、铸造等行业。

Sandblasting is the most common coarsening process, sand with sharp, hard to be good, can be used quartz sand, emery, etc..

喷砂是最常用的粗化工艺，砂粒以锋利、坚硬为好，可选用石英砂、金刚砂等。

Sandblasting is the most common coarsening process, sand with sharp, hard to be good, can be used quartz sand, emery, etc..

喷砂是最常用的粗化工艺，砂粒以锐利、牢固为好，可选用石英砂、金刚砂等。

Methods Scanning electron microscope and X-ray analysis were used to study the distribution of all kinds of elements in sand-cast,sculpt and clear-sand of one foundry work and quarry work.

用扫描电子显微镜和X射线能量色散仪测定某铸造作业翻砂车间、造型车间、清砂车间和某采石作业生产性粉尘粒子的结构及各元素的百分含量。

Methods Scanning electron microscope and X-ray analysis were used to study the distribution of all kinds of elements in sand-cast,sculpt and clear-sand of one foundry work and quarry work.

调查研究某铸造作业和采石作业生产性粉尘成分的元素含量。

In order to measure the optimum combination of exciting force and frequency of sand sample with different moisture content and degree of compaction, the machine of MTS fatigue test is used to simulate vibrating roller, the optimum combination measured can provide reference to study interacting of vibrating roller and aeolian sand.

用MTS疲劳试验机模拟振动压路机，测出不同含水量和压实度下的激振力和频率的最佳最合，为研究振动压路机和风积沙的相互作用提供参考依据。

Aiming at the reservoir characteristics and serious sand production of the area,the precision micro-pore compound sand control screen pipe was used in the well completion,and good results were obtained.

针对该区块油藏特点和出砂严重的情况，通过室内分析、优选，在该区块几口水平井现场实施了精密微孔复合防砂筛管完井工艺技术，取得较好效果。

This paper focused typical sand jet fracturing used in foreign countries and introduced in detail the development of jet structure and connection and its application procedures. The application of two typical sand jet fracturing tools was introduced.

着重介绍了目前国外典型的水力喷砂压裂工具，阐明了国外喷射器结构及其连接方式的发展，国外所使用两种典型工具的结构、作用及其操作步骤，并对这两种井下水力喷砂压裂工具的应用进行了介绍，说明了其适用性。

According to ASP system, sacrificial agent is used to pre-adsorb oil sand and then to measure the isothermal line of surfactant on oil sand. The result shows that the adsorption loss of surfactant is reduced by 40%-60%.

针对三元复合体系，应用牺牲剂对油砂预吸附后，测定表面活性剂在油砂上吸附等温线，结果可降低表面活性剂吸附损失40％～60％。

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。