查询词典 pearlite

Tertiary 5. Vocational 10 people, mostly pearlite series production and development of new products.

大专5人。中专10人，主要生产和开发珍珠岩系列新产品。

Specialists suggested that they use pearlite to improve the structure of the building.

专家建议他们用珍珠岩改良建筑的结构。

The experimental research on the apparent conductivity of pearlite in different particle sizes and different vacuity is reported.

实验测定了不同粒径珠光砂在不同真空度下的表观导热系数。

Based on the model, the main speciality of pearlite transformation of PD3 steel could be obtained.

试验结果表明，PD3钢中的珠光体转变是以多点形核的方式进行的，传统的珠光体单点形核机制不符合PD3钢的实际。

It was found by experiments thatboron increased the growth rate of pearlite, both in hypoeutectoid and eutectoidsteels.

硼有加速珠光体成长率的作用，无论在亚共析或共析钢中皆有同样的现象产生。

Conventional mechanism of the single spot nucleation was not in accord with the practical condition of PD3 pearlite steel.

其目的是为PD3珠光体重轨钢的成分优化和最佳工艺参数的选择提供必要的分析基础与计算手段。

There is the presence of band and blocks of pearlite absolutely not uniform.

其中株光體的波段和隔斷物明顯的不配套。

The matrix of steel is mainly ferrite, but pearlite also appears under certain conditions.

钢基体主要为铁素体，在一定条件下也可出现珠光体组织。

The results indicate that the fraction of pearlite in the ductile iron matrix increase with increase of copper and the decrease of silicon in this investigation.

研究表明，在试验范围内，随着铜含量增加和硅含量减少，球铁基体中的珠光体数量增多。

The performance and characters of hydrophobic pearlite heat insulating material and its products are introduced.

介绍了憎水珍珠岩保温材料及其制品的性能和特点，通过与其它常用保温材料的比较，具体指出其作为屋面保温层的施工工艺，得出其作为星面保温材料更加具有应用推广价值的结论。

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。