查询词典 pearlitic

Because alloy cast iron is made of 15 ~ 25% cementite,5 - 10% pellet~shaped graphite, pearlitic matrix.

这是因为合金铸铁的材质是由？5-25％渗碳体、5—10％球状石墨、珠光体基体所组成。

The microstructure changes of pearlitic eutectoid steel induced by cold rolling were investigated by using SEM, TEM and XRD etc.

用SEM、TEM及XRD等方法研究了共析钢中珠光体经40％-90％的冷轧变形后所产生的显徽组织变化。

The scientific theory and method are applied to study the pearlitic eutectoid decomposition mechanism in steels and the concept of existence of so-called prevenient phase was negated.

应用系统科学的理论和方法，研究了钢中珠光体共析分解机制，否定了领先相的存在。

Based on the finite element analysis of single pearlitic colony with different interlamellar spacings,the reason of the interlamellar spacing is investigated,which plays an important role in the mechanics behavior of single pearlitic colony .

作者从对具有不同片层间距的珠光体团的有限元分析结果出发，定性分析了层间距对其力学性能及疲劳寿命的影响机制。

The test results show that the contact fatigued microstructure characters mainly the reduction of pearlitic interlamellar spacing, the formation of different type of substructures as well as the deformation and fracture of cementitic lamellar in pearlite.

结果表明，PD3钢轨钢接触疲劳变形组织的主要特征是：珠光体片层间距的减小；不同类型亚结构的形成；渗碳体的变形与断裂。

The finer the pearlitic interlamellar, the more the plastical deformation and the higher the ability of deformation strengthening.

珠光体原始片层间距越细小，塑性变形特征越显著，形变强化能力越高。

Properties of pearlitic steel and austenitic stainless steel compound pipes TIG welded joint are studied in this paper.

研究了珠光体钢和奥氏体不锈钢复合管钨极氩弧焊接头的性能。

A pearlitic steel is composed of numerous pearlitic colonies with random orientations, and each colony consists of many parallel lamellas of ferrite and cementite.

珠光体钢由众多随机取向的珠光体团构成，每一珠光体团又包含了许多平行的铁素体和渗碳体片层。

The inherent variation in microstructure of as –cast pearlitic irons such as gray pearlitic malleable and modular often makes preliminary heat treatment necessary in order to assure desired uniformity of subsequent induction hardening results .

在当–cast珠光体铁上微结构的固有变化例如灰色珠光体展性和模件经常使得初步热治疗是必要的为了保证期望均一随后感应加热淬火结果。

If the deformation of pearlitic cementite is assumed to be purely elastic, the pearlitic colony will become rapidly shaked down plastically.

若假设渗碳体的变形为纯弹性，珠光体团将迅速实现塑性安定。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。