查询词典 pearlite

The chemical composition and the production process of the high strength hot rolled sheet steel for electrostatic enameling are introduced briefly. The microstructure of the steel is composed of fine grained ferrite and tiny amount of pearlite.

简述了工业生产高强度热轧薄钢板的成分和生产工艺，其室温组织由极细的铁素体晶粒和极少量的珠光体组成。

The new research achievement in recent years was synthesized to expound the new mechanism of eutectoid reaction in steel,to make a new explanation for the mechanism of the interphase precipitation and to renew the concept of pearlite .

本文综合近年来的研究成果，阐述了钢中共析分解的新机制，对于"相间沉淀"机理做了新的解释，重申了珠光体的新概念。

The resulting structure is a mixture of primary or pro-eutectoid ferrite (ferrite that formed above the eutectoid reaction) and regions of pearlite.

作为结果的组织结构是初步的共析铁素体和部分珠光体的混合物。

Fining pearlite, therefore, is one of the most effective method to further improve the contact fatigue properties of PD3 rail steel.

因此，细化珠光体是进一步提高接触疲劳抗力的有效途径。

You will come in May between June, between choice section shorter give birth to half lignification branch in those days, from base the ministry cuts dirty to insert spic, topmost reservation comes 3 pieces 5 flocculus, if branch is too long, yi Ke bite off carries a tip on the head, cuttage medium can use humus soil of orchid mud, high mountain, vermiculite, pearlite or Huang Xin earth to wait, thick about 15 centimeters reach 20 centimeters, the catchment layer that lower berth reachs 8 centimeters 7 centimeters; medium after in season is wet, in will inserting spic to insert matrix, deepness of the be buried that insert spic makes an appointment with the 1/2 that grows for spic, a few cuttage also can choose the family full-dress medium generation makes big flowerpot cuttage seedbed.

你可于5月至6月间，选择节间较短的当年生半木质化枝条，自基部切下作插穗，顶端保留3片至5片小叶，若枝条过长，亦可截去顶梢，扦插介质可用兰花泥。高山腐殖土。蛭石。珍珠岩或黄心土等，厚约15厘米至20厘米，下铺7厘米至8厘米的排水层；把介质喷湿后，将插穗插入基质中，插穗入土深度约为穗长的1/2，家庭少量扦插也可选用大花盆盛装介质代作扦插苗床。插后加盖塑料薄膜保湿，温度控制在25℃至30℃之间，加设荫棚遮挡阳光，或挪放于树荫下，始终保持扦插基质湿润，东鹃约过1个月即可生根，而西鹃则要60天至70天才能生根。9月后可减少遮荫时间，并追施稀薄尿素液一次，浓度约为0.2%，10月下旬即可上盆。

The pearlite which is neutral inorganic substance, non-toxic, tasteless, incombustible, anti-corrosive, the quality light, the thermally conductive inferior characteristic, is one kind of anti-high temperature building material.

珍珠岩属中性无机物，具无毒、无味、不燃烧、耐腐蚀、质量轻、导热性差等特点，为一种抗高温建筑材料。

The results show that,hardness ofslideway is correlated with content and lamella inferval distance of pearlite.

结果表明，珠光体含量和片层间距是影响导轨硬度的主要因素。

Will cut the half lignification branch below grow 8 - 10 centimeters, thing 2 - 3 outside the bine of the section paragraph, in the slotting machine that sand of river of stick of a short slender pointed piece of metal or pearlite develop, maintain certain matrix humidity and air humidity, notice shady.

将剪下的半木质化枝条剪成长8－10厘米。事2－3外节的茎段，扦插于河沙或珍珠岩培养的插床中，保持一定的基质湿度和空气湿度，并注重遮阴。

This paper describes the test results of a study on the stability of the compacted graphite oast iron treated by a single addition alloy of Mg-Ti system and discusses the method of obtaining it with high pearlite content.

本文主要叙述镁-钛系复合合金蠕化剂处理蠕墨铸铁稳定性的初步试验研究结果，并探讨高珠光体含量蠕墨铸铁的获得方法。

Its paragenesis effect is in turn makes the decency coal＞thevermiculite＞the pearlite.

其共生固氮效果依次为风化煤＞蛭石＞珍珠岩。

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。