1.
The evaluation of measuring uncertainty in metallic material Brinell hardness test is studied by testing the hardness of the 45 quenched and tempered steel.
以45#调质钢硬度试验为例,研究了金属材料布氏硬度试验中测量不确定度的评定。
2.
ANALYSIS OF CONNECTING POLE OF No.45 STEEL AND ITS A NEW IMPROVEMENT PROCEDURE
45钢螺栓断裂分析及调质工艺的改进
3.
Ausforging and tempering process of 45 and 40Cr steel crank
45和40Cr钢曲柄锻造余热调质工艺
4.
Experimental Research of Cutting Surface Roughness for 45-Hardened Steel
45调质钢切削表面粗糙度的试验研究
5.
Adding Nitrogen Process for V-N Non-Quenched and Tempered Steel during 45 t LF(VD)Refining
45 t LF(VD)精炼钒氮非调质钢的增氮工艺
6.
Research on Quality Control of 45~# Steel Billet
45~#钢小方坯铸坯质量控制研究
7.
45 Quality roud steel fractured during forging.
45优质圆钢在镦制产品坯料后发生层裂。
8.
The Investigation and Research on the Constitutional Changing Laws of Grown-ups Aged from 26 to 45 in Qinhuangdao City;
秦皇岛市26~45岁成年人体质变化规律的调查与研究
9.
A Study of Mechanical Properties and Microstructure about Quenched and Tempered Steels and Non-quenched and Tempered Steels;
调质钢与非调质钢性能与微观组织的研究
10.
Friction and abrasion behaviors of the cold rolled Q235 steel /45 steel
冷轧Q235钢/45钢摩擦磨损行为研究
11.
Interface characteristics of 45 steel/25Cr5MoA/Q235 steel solid-solid cladding shafts
45钢/25Cr5MoA/Q235钢固-固复合轴界面特性
12.
Study on friction welding of 45 steel/W6Mo5Cr4V2 HSS cutter
45钢/W6Mo5Cr4V2高速钢刀具的摩擦焊接研究
13.
Study on the Heat Treatment Process for the Steel Tube of Grade Q125 with 30CrMnMo
30CrMnMo钢调质Q125钢级套管的工艺研究
14.
STUDY ABOUT FLUCTUATION OF TEMPERATURE OF MOLTEN 45# STEEL IN TUNDISH
宣钢45钢连铸中包钢水温度波动的研究
15.
The Fracture Analysis and Improvement of Milling Arbor of Butt Mill of 45 # Steel
45钢端面铣刀杆断裂分析及改进措施
16.
STUDY ON CUT-PRESS BLADE OF BORONIZING 45 STEEL FOR MOSAIC
45~#钢渗硼马赛克切压刀片的试验研究
17.
The fatigue limit of 45 steel has increased by a fac-tor of 55 and 74%.
45钢的疲劳极限分别提高55％和74％。
18.
Hardening Crack Analysis and Prevention Measurement for 45 SteelWobbling Arm Axis
45钢摆臂轴淬火裂纹分析及防止措施