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- acicular troostite 针状屈氏体
- The microstructure of isothermally-quenched ductile iron (ADI) is a mixture structure consisting of austenite plus acicular ferrite. 摘要等温淬火球铁的显微组织由奥氏体加针状铁素体的混合组织组成。
- The Cr/C ratio and Si must be controlled strictly to produce Cr-V-Ti troostite grinding ball. 生产铬钒钛屈氏体磨球要严格控制 Cr/C 比和元素 Si.
- By observing microstructures , we find they may form spheroidal A,acicular A and feathery A . 组织观察发现,除形成球状A、针状A外,还形成羽毛状A。
- The result proves that the accumulate line is caused by heat treatment defect, soft troostite tape. 结果表明,活塞杆在磁粉探伤中显现的螺旋形磁粉堆积线是由热处理缺陷一屈氏体软带造成的。
- The extract was further purified by column chromatography to get the acicular crystals of reserpine of 99. 将萃取所得产物用硅胶柱色谱进一步分离提纯;得到了质量分数为99.;8%25的利血平针状结晶。
- A double acicular electrostatic device was designed.Experiments were conducted with an experimental model established. 摘要在高射程喷雾机上设计了双针电晕静电装置,并对实验模型进行了相关试验。
- The acicular and columnar shapes of aragonite crystals are preserved even after aragonite changes into calcite. 文石转变为方解石常保留文石的针状、柱状晶形,并存在于石笋沉积生长的始终。
- Marensite and mixed matrix structure,which is composed by sorbite,troostite and small amount of banite,were found in the experiment. 实验结果表明:马氏体的出现及基体为索氏体、屈氏体和少量的贝氏体的混合组织是断裂的主要原因;
- The iron content of grainy crystal was the most, acicular crystal taking second place. 表面有粒状析晶的磁珠中铁含量最高,针状析晶磁珠次之。
- Herbs annual; bracts of female flowers connate to apex, both sides with an acicular appendage near apex. 一年生草本雌花苞片在先端合生,两面具一针状的附属物近先端。
- Marensite and mixed matrix structure, which is composed by sorbite, troostite and small amount of banite, were found in the experiment. 实验结果表明:马氏体的出现及基体为索氏体、屈氏体和少量的贝氏体的混合组织是断裂的主要原因;
- A hard supersaturated solid solution of iron characterized by an acicular (needle-like) microstructure. 一种以针尖状微观结构为特征的铁的硬饱和的固溶体。
- Branchlets black-brown, terete, glabrous or sparsely acicular hirsute, with elliptic lenticels. 小枝黑棕色,圆柱状,无毛或者稀少针状多毛,带有椭圆的皮孔。
- Calyx lobes 5, unequal; 2 larger lobes oblanceolate, dentate to pinnatifid; other 3 lobes acicular, entire. 萼裂片5,不等长;2更大的裂片倒披针形,具牙齿的到羽状半裂;其他3裂片针状,全缘。
- Spheroidal austenite and acicular austenite can be seen during the austenitizing courses at low speed. 慢速加热奥氏体化过程中,观察到球状奥氏体和针状奥氏体。
- The technology not only guarantees that there are good microstructures of the tempered troostite and sorbite in the wire rod steel, but also makes environmental pollu. 该工艺在保证盘条钢具有良好的回火屈氏体和索氏体组织外,还减少了对环境的污染和对人体的危害。
- The mechanical properties testing, microstructure observation and fractographic features analysis of the troostite high chromium cast iron blade were carried out. 对屈氏体高铬铸铁叶片进行力学性能测试、显微组织观察和断口形貌分析。
- The result showed the difference of mechanical properties of HSLA steel results from the troostite and banded structure which are closely relative to mamgamese content. 结果表明屈氏体组织以及带状组织是造成低合金钢板强度、塑性差异主要原因,而屈氏体组织、带状组织的产生和锰含量有很大关系。
- Performance: White acicular crystallization or powder, dissolves in the water, does not dissolve in alcoholic. The watery solution is an alkalescence. 白色针状结晶或粉末,溶于水,不溶于醇,水溶液为碱性。