The relation of internal microstructure damage degree of furnace tube in a ethylene pyrolyzer with weldability was studied.
研究了乙烯裂解炉服役炉管材料内部的组织损伤程度与焊接的关系。
The relation of internal microstructure damage degree of furnace tube in a ethylene pyrolyzer with weldability was studied.
研究了乙烯裂解炉服役炉管材料内部的组织损伤程度与焊接的关系。
Microstructures of coal containing iron ore concentrates reduced by microwave heating are classified as the metal iron microstructure, the wustite microstructure and the slag phase microstructure.
微波加热含碳铁矿粉还原矿相结构分为金属铁、浮氏体和渣相结构。
The microstructure and property of the free cutting unquenched plastic die steels have been studied.
研究了易切削系非调质塑料模具钢的组织与。
The microstructure of a multiphase material was optimized, and property of auxetic performance was obtained, helping to prove the validity of this method.
以一种多相材料结构为例进行了细观结构的优化,并获得了具有负泊松比的特,从而验证了所提出方法的。
As shown in Fig.1, precipitates microstructure confirms that near solvus temperature precipitation can limit grain boundary precipitation.
由调整温度, 五谷降雨雪由生核量限制并且唯一晶界降雨雪存。
The microstructures were studied with optical microscope, X-ray diffraction,electron probe and glow discharge spectro scopy analysis.
学显微镜、X-、电子探针及辉逐层分析等方法进行了微观分析。
The effects of carbonous density and solid volume loading on the microstructures, and the performance of the new method were investigated.
通过对焊缝金相显微结构的分析,结计算机图形处软件计算出焊缝的烧结密度。
Analysis of the Stem-fillet blend fracture of exhaust valve was conducted by means of macroexamination, microstructure examination, chemical composition analysis and hardness test.
摘要采宏、微观检验、化学成分分析和硬度测试等方法对断头的排气门进行了分析。
The observation on the microstructure of six orchids demonstrated that they have the typical orchidaceous roots with velamen and thick cortical tissue.
本文对密花石斛等六种兰科植物根的显微结构进行了比较观察。
Through XRD and the SEM microscopic test method, the microstructure of hydro-thermal synthesis hardenite has studied .
通过XRD和SEM微观测试手段,研究了粘土-硅质石屑-水泥-石灰体系水热成硬化体组成的微观结构。
Effects of master alloy of quasicrystal containing magnesium additions and solution treatment on microstructure and mechanical properties of AZ91 magnesium alloy were studied.
研究了镁基准晶中间金和固溶处工艺对AZ91金显微组织和力学的影响。
The mechanical properties of horniness segmer graft toughening epoxy resin, toughening effect and microstructure of the fracture surface of toughened condensate have been studied on.
研究了硬质链段接枝增韧环氧树脂的机械,分析了增韧剂的增韧效果以及增韧后固化物断面的显微结构。
The microstructure deformation in the aging process of the alloy has been stated ,and the heteromorphy has been found the cause of the natural aging process of the 2011 alloy .
分析了工艺参数对金力学的影响,阐述了金时效过程中的微观组织变化,找出了2011金自然时效进程缓慢的原因是异质形核。
Abstract Microstructure evolution of hypereutectoid steel duning cold rolling with different reduction rate (from 0 to 81.6%)was studied by SEM and TEM.
摘要 SEM、TEM研究了不同冷轧变形量(变形量0~81.6%)的过共析钢的组织演变规律。
Based on the macroscopic characteristics, microstructure and fabric of the tectonite in the Yingxin fault zone,this paper proves that there are two types of tectonite, i.
依据龙门山中段映秀断裂带构造岩的宏观地质特征、显微构造及组构特征,论证了构造岩具有脆和韧两大类型,形成序次上为先韧后脆。
The microstructure of the sample glaze layer under polarizing microscope and reflecting microscope has showed acicular hausmannite crystals on the glaze layer sur...
通过偏显微镜和反显微镜观察试样釉层的显微结构,发现虹彩釉成釉过程中釉层表面析出了针状的黑锰矿晶体。
Microstructure analysis showed significantly consistent change in nodule counts and possibly the numbers of microshrinkage pores present from the bottom to the top of heavy-section casting.
厚断面 铸件取样位置不同时,由于浇铸凝固时间不同,疲劳强度也不同。
An investigation was made on the effect of rewelding on mechanical properties of Ultra-low carbon austenitic stainless steel based on mechanical properties test and microstructure examination.
通过对反复焊接1~5次的超低碳奥氏体不锈钢力学的试验及金相组织的分析,研究了反复焊接对超低碳奥氏体不锈钢力学的影响。
By means of analysis, hardness test, abrasion test, this paper studies the effect of boron-sulphurizing on microstructure and properties of boronized layer.
通过金相分析、硬度测试、磨损测定,研究了硼硫共渗对渗硼层组织和的影响。
声明:以上例句、词分类均由互联网资源自动生成,部分未经过人工审核,其表达内容亦不代表本软件的观点;若发现问题,欢迎向我们指正。