bpd是什么意思

用法例句

Analysis on main causes for hearthside disrepaire of large aluminum smelting pots and corresponding measures;

大型铝电解槽侧部破损原因分析及对策

Discussing the formations of roads in disrepair in Harbin city and the countermeasures;

哈市道路破损原因及防治措施的探讨

This paper introduces the phenomena of label disrepair in encasing,and discussed the method of solution,and advances the measure of treatment.

本文叙述了酒标在装箱机过程中的破损现象，探讨了解决问题的办法，提出了处理措施。

Analysis on damage of refractory of hot blast stoves in No.5 Blast Furnace of WISCO;

武钢5号高炉大修热风炉耐火材料破损分析

Phenomena and causes of 300kAreduction cell's damaged cathode lining and its countermeasures;

300kA系列电解槽阴极破损的现象、原因及对策

The characteristic of the damages and the maintenance measures of the cathode liners in large pre-baked anode aluminium pot;

大型预焙铝电解槽阴极内衬破损特征及检测

Research for the effect of some factors on breakage of liquid emulsion membrane;

影响乳化液膜破损因素的研究

A method of spectrum-standard deviation for identificating breakage of disc cutter of variable cutting parameter;

变切削参数盘形铣刀破损识别的频谱——方差法

Breakage and Prevention of Work Rolls of 4200mm Rolling Mill of Wuyang Iron and Steel Company;

舞钢4200mm轧机工作辊破损与预防

An introduction is given to the main areas of the mechanism of cutting tool fracture,including the research of enter and exit failure in intermittent cutting,the relation of thermal stress,thermal crack and fracture,the influence of geometry parameters of cutting tool,and the study of monitoring and predicting the fracture.

介绍了刀具破损机理研究的主要领域,包括断续切削过程中的切入切出破损研究、热应力和热裂纹与破损之间关系、刀具几何参数影响以及破损监控预报研究等,回顾了刀具破损机理研究的历史和现状,对切入切出破损、动态切削力及热应力和热裂纹与破损之间关系的研究概况进行了详细论述,最后论述了刀具破损研究的发展趋势。

Separately adopted carbide and TiN coated carbide to machine aluminum alloy and stainless steel,a series of turn-milling tool wear experiments had been done on a turn-milling machining center to analyze the tool wear and fracture.

在车铣加工中心上,分别采用硬质合金和TiN涂层硬质合金刀片,对铝合金和不锈钢工件进行了车铣加工的刀具磨损试验,研究分析了车铣刀具的磨损和破损特征。

The function of the Al 2O 3 based ceramic cutting tool life by fracture was acquired by cutting experiments in combination with the Monte Carlo method.

利用切削试验与MonteCarlo仿真相结合的方法 ,建立了刀具破损寿命与抗弯强度的函数关系 ,给出了计算陶瓷刀具破损寿命可靠性的计算模型。

Analysis on causes of incipient failure of cement concrete pavement of country road;

县乡公路水泥混凝土路面早期破损原因分析

Through the cutting experiment, the viewpoint that the cracks and failures of carbide inserts in interrupted cutting are mainly caused by thermal stress is verified.

通过切削试验 ,验证了硬质合金刀片断续切削时产生裂纹而导致破损主要是由热应力引起的论点 ,并在试验中观测到断续切削时硬质合金刀具破损的形式主要为切削刃崩刃和前刀面局部剥落。

The author finds posion and degree of failure aluminium reduction cell's bottom, by analysiny Fe content in aluminium liquid and measuring surfuce temperture and current distribution of cathode collector bar.

通过对铝液中铁含量的分析,以及对阴极棒头表面温度和阴极电流分布的测量,找出炉底损部位和破损程度。