查询词典 making iron

In order to describe the distribution condition of graphite particles in spheroidal graphite cast iron, a description method based on multi-fractal was proposed.

为了描述球墨铸铁中石墨颗粒的分散均匀性，提出了基于多重分形的描述方法，该方法采用Matlab分形工具箱提取石墨颗粒分布密度的分形特征来定量描述石墨分布的不均匀性，其多重分形谱的宽度以及最大最小概率子集维数之间的差别反映了石墨分布的不均匀性。

The test results show that by substituting the spicule cast iron wedge with combination wedge, the vertical vibration of the car can be improved greatly, the vertical acceleration and ri

试验结果表明，通过换装组合式斜楔减小转向架系统的相对摩擦系数，可以明显改善车辆的垂向振动性能，使空、重车的垂向振动加速度及垂向运行平稳性指标降低，并且对车辆的横向力、脱轨系数及轮重减载率的影响较小。

Pig iron and spiegeleisen in pigs, blocks or other

释1未有特别指明的「其他元素」份量，以重量计，必须每项超过10%。

Iron, spiegeleisen or ferro-alloys.

铁或铁合金所含化学成份的产品。

The thin left spike heel instantly was caught between the crusty iron bars of the sewer grate and snapped off.

细长的鞋跟，顷刻夹于下水道井盖满覆锈甲的两根铁棍之间，折断了。

Steam power did not merely spin cotton and roll iron; early in the new century it also multiplied ten times over the amount of paper that a single worker could produce in a day.

蒸汽机不仅可以用于织布、炼铁，19世纪早期，蒸汽机的使用同样大大提高了造纸的效率，蒸汽动力生产的产量是一个工人一天产量的10倍。

Third: Ironing time before and after moving from the back of the iron as it will give more preparation work will not hurt to Spiraea.

三：熨烫时要从背面前后移动着熨，这样可使作品更平整，不会伤到绣线。

The basic principle and process to produce the sponge iron in our corporation are introduced.

对海绵铁生产的基本原理及公司的海绵铁生产工艺进行了介绍。

The research aimed to study the effect of the treatment of waste leachate by sponge iron.

［目的］研究海绵铁预处理垃圾渗沥液的效果。

With analyzing and discussing the elements such as: selection of raw material, control of thermal system and operation, the ways to improve the quality of sponge iron are proposed.

通过对原料的选择、热工制度的控制及操作等因素进行分析和论述，探讨了提高海绵铁质量的途径。

The work of this paper is as follows: 1. Looking back the progressing history of the linear motor, introducing the features of the elevator driven by linear induction motor, radicating the topic of this paper "the digital frequency variable control of the elevator bi-side direct driven by linear induction motor". The research of this paper covers the conventional VVVF control, space vector based VVVF control, vector control and DTC.

本文主要开展了以下几个方面的工作： 1 回顾了直线电机发展历史，电机的驱动技术演变，特别是针对直线电机的驱动，简要介绍了直线感应电机驱动电梯的优点和不同结构类型，对传统的v／f控制，基于空间矢量法的v／f控制，矢量控制，和基于电压空间矢量的直接转矩控制进行了比较，确立了本课题的研究主题：直线感应电机双边直推式驱动电梯的全数字变频控制。

The article combines with the treatment of a superficial civil air defense work to introduce how the grouting method to improve the performance of the backfill soil.

文章从治理漂浮人防工事的角度提出了注浆技术在改善回填土性质方面的应用，并详细阐述了注浆技术的施工流程。