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- close grain steel 细晶粒钢
- The microstructure prediction model of the ultrafine grain steel was constructed. 在此基础上建立了相应的超细晶粒钢组织预测模型。
- The microstructure and fine structure of weld fusion zone for high strength fine grain steel were studied. 研究了高强度细晶粒碳素钢焊接接头熔合区附近的显微组织及精细结构。
- It is found that the weld of fine grain steel break apart from heat effect zone in the tensile test. 经实验发现细晶粒碳钢焊接接头拉伸试验断口在远离热影响区的母材上。
- The result is that the bond-anchorage property of ultra-fine grain steel bar is identical to that of common crescent ribbed bar,the anchoring length can be designed with the formula in code for design of concrete structures(GB50010-2002). 研究结果表明,虽然超细晶粒钢筋属推广的新型工程材料,轧制工艺与传统钢筋不同,但超细晶粒钢筋的粘结锚固性能与普通热轧带肋钢筋(月牙纹)基本相同,其设计锚固长度la仍可按现行《混凝土结构设计规范》GB50010-2002规定的公式计算;
- WANG Wei-bin.FEM analysis on the temperature field distribution in electrothermic coupling process of flash butt welding of ultra-fine grain steel[J].Metal Forming Technology,2003,21(3):40-42. [4]王维斌.;超级钢闪光对焊电热耦合过程温度场分布的有限元分析[J]
- Boxwood is a hard wood, yellowish in colour. It is close grained with a plain grained pattern and is very strong. 黄杨木是一种硬木，颜色淡黄。它纹理紧密、图案清晰和非常坚韧。
- The wood is extremely hard and dense, close grained, very fine textured, and is used for making pestles and wagon axles. 木头极其硬和紧密，关闭颖果，细使具有某种结构，并且用于制造研杵和运货马车轴。
- Flat products made of steels for pressure purposes - Part 3: weldable fine grain steels, normalized. 压力容器用扁平钢轧材。第3部分:经过正火处理的可焊细晶粒钢。
- Abstract： The strength and toughness of super-fine grain steels are greatly increased because of its micrometer or sub-micrometer grade grain size. 摘 要： 超细晶粒钢依靠生成微米级或亚微米级的铁素体，使钢的强度和韧性大大提高。
- Study on Application of Ultra fine Grain Steel 超细晶粒钢的应用研究
- The grain crop has gone down this year. 今年的粮食作物产量下降了。
- People say that the tiger is still lurk close to. 人们说那只老虎还躲在附近。
- She is buying a flat close to her office. 她正在购买一套靠近她办公室的单元房。
- The company is an international trader in grain. 这家公司是国际粮食贸易公司。
- She's always been very close about her past life. 她对自己过去的生活一直守口如瓶。
- For the umpteenth time close the door quietly. 我告诉过你好多次要轻轻地关门。
- This paper briefly introduces the development of hot-rolled ultrafine grained steel strip 400MPa AN420 for automobile structures, this steel sheet is produced with the advanced technology of new generation steel upon the C-Mn steel. 本文介绍了鞍钢应用超细晶钢先进技术在普通C-Mn钢基础上,实际生产的热轧汽车结构用400MPa级AN420钢的热轧带钢开发研制情况。
- That was a close call, the train nearly hit the car. 好险，火车差一点就撞上那部车子
- Their speculative buying of grain is illegal. 他们投机购买谷物是不合法的。
