preheat treatment

Based on the preheat treatment(1 050 ℃air cooling+750 ℃ air cooling+1 050 ℃ oil cooling +680 ℃ air cooling)of 2Cr3WMoV, this paper deals with the nitriding processes of technology of 2Cr3WMoV at 540℃, 560 ℃, 580 ℃, and different holding time(37 h, 45 h, 50 h)for 560 ℃.

对2Cr3WMoV铸钢件在预备热处理(1050℃空冷+750℃空冷+1050℃油冷+680℃空冷)基础上进行渗氮工艺试验,选择的温度是540℃、560℃、580℃。

In this paper the properties and structure characteristics of GH4133B alloy precision die-forgings by the present die forging process, and by direct ageing and preheat treatment are introduced.

叙述了现行工艺模锻的GH4133B合金精化模锻件的性能和组织特点;叙述了直接时效、添加预备热处理精化模锻件的性能和组织特点。

The authors researched the conditioning treatment and carburization of steel 21NiCrMo5 used in automobile gear IVECO.

对依维柯汽车齿轮用钢 2 1NiCrMo5的预备热处理和渗碳热处理工艺进行了试验研究。

The influences of preheat treatment temperature and time on the friction and wear behavior of ultra high molecular weight polyethylene(UHMWPE) were investigated on a pin-on-disc test rig.

利用销-盘式摩擦磨损试验机考察了预热处理温度和时间对超高分子量聚乙烯(UHMWPE)材料摩擦磨损性能的影响,借助扫描电子显微镜观察了试样磨损表面形貌。

The influence of preheat treatment and depositing nano-alumina films on the specific capacity of Al foil for 20V capacitor was researched.

研究了预热处理温度、时间以及沉积纳米氧化铝膜对低压铝箔化成比电容的影响。

The present status of the preheating treatment process for case hardened steel gear blanks is introduced.

介绍了低碳合金渗碳钢齿坯预热处理工艺的现状 ,讨论了钢件的正火组织和硬度对切削加工性能及渗碳淬火变形的影响 ,提出应推广应用等温正火技术以改进齿坯预热处理质量。

Effect of heat pretreatment on efficiency of microbial cell disruption

热预处理对细胞分裂效率的影响

Effects of Pre-annealing Process on Microstructure and Properties of the Cu-Ag Microcomposites;

预备热处理对纤维相复合强化Cu-Ag合金组织与性能的影响

system for heat treatment of semi-conductors

半导体瞬态热处理设备

Preprocessor (C++)

预处理 (C++)

Method for Current Abnormally Fluctuating on Vacuum Heat Treatment Equipment

对真空热处理设备电流异常波动处理办法

heat treated steel bar for prestressed concrete

预应力混凝土用热处理钢筋

flour of wheat, heat-treated to pre-gelatinize the starch

小麦粉,经热处理预糊化淀粉

The general principle of surface preparation of metallic substrate for thermal spraying

GB/T11373-1989热喷涂金属件表面预处理通则

The Effect of the Hydrothermal Pretreatment on Properties of the E.grandis×E.urophylla Lumber;

水热预处理对巨尾桉板材性能的影响

Knowledge of metallurgy including heat treatment processes.

具备金属方面（括热处理）常识。

It has the refference value for large scale equipment heat treatment in site.

对大型设备现场热处理具有借鉴价值。

Preparation and Heat Treatment of Lyocell Fiber Modified by Ammonium Chloride

氯化铵改性Lyocell纤维的制备及其热处理

Preparation and vacuum heat treatment of high purity Ti_3SiC_2 powder

高纯度Ti_3SiC_2粉体的制备及真空热处理

Preparation of High-purity Ti_3SiC_2 Powders by MA and HT

机械合金化+热处理制备高纯Ti_3SiC_2粉体

Development and Application of Steel Plate Heat Treatment Technology and Facilities

中厚钢板热处理技术及设备发展概况

It is for sure that qualified pretreatment is a must for the operation of device.

当然，合格预处理为设备运行的必需。

Preparation of Novel Cellulose Membrane from Hybrid Giant Napier;

皇竹草预处理制备新型再生纤维素膜

Research on the Effect of Starch Pretreatment on Preparation of Cyclodextrin;

淀粉预处理对环糊精制备影响的研究

BINDER TREATMENT TECHNOLOGY FOR HIGH PERFORMANCE STEEL POWDER MIXES

用粘结剂处理工艺制备高性能预混粉