The paper analysed contact fatigue performances of vacuum degasification steel and common electric steel.
试验并分析了真空脱气钢和普通电炉钢的接触疲劳性能。
Through to observing the section microstructure, and according to Fe-W-Mo-Cr-V-C the high-speed steel Fe-C micro dual phase diagram, the reason of vacuum gas quenching the high-speed steel melting accident was analyzed.
通过对截面金相组织观察,并根据Fe-W-Mo-Cr-V-C系高速钢Fe-C微二元相图,对真空气淬中高速钢工件发生熔化的原因进行了分析。
W18Cr4V steel was heat-treated by vacuum gas quenching and conventional oil quenching respectively.
采用真空气淬法和普通空气加热油淬法分别对W18Cr4V钢进行热处理。
Service conditions,Processes of vacuum gas quenching and vacuum tempering as well as vacuum stress relief annealing processes realized respectively before quenching and during service as well as after repair welding for the die-casting die parts of 4Cr5MoSiV1 steel were discribed.
论述了4Cr5MoSiV1钢制铝合金压铸模零件的服役条件,真空气淬、真空回火工艺,以及分别在淬火前、使用过程中和补焊后进行的真空消除应力处理工艺。
The Cleanliness of gas cylinder steel(30CrMo) was studied during vacuum degassing by interrupting vacuum after the start of operation.
本文研究了真空脱气(VD)精炼对气瓶钢30CrMo洁净度影响。
The most common culturable airborne fungi in all seasons and all functional areas were Cladosporium, nonsporulating fungi, Alternaria, Penicillium and Aspergillus.
通过定点取样研究北京市空气真菌的种类组成,浓度特征及其动态变化规律。
In order to determine the community structure and time-space distribution characteristics of airborne fungi in waste landfill sites,supervisory points were set in sanitary landfill area,leachate treatment area and living area in a Waste Sanitary Landfill Site in Beijing.
为了解垃圾填埋场空气真菌的群落结构和浓度、粒径的时空分布,在北京市某垃圾卫生填埋场填埋区、渗滤液处理区、生活区分别选定监测点,利用安德森六级微生物采样器,对填埋场空气真菌进行了系统的定点取样和分析。
They can cause serious danger to the health even diseases when the spores of airborne fungi enter human bodies.
空气中绝大多数真菌与人类的健康及生产活动密切相关,当空气真菌孢子进入人体之后,会对身体造成严重的危害,引发各类疾病,全面了解城市空气真菌群落特征对于保护城市环境,控制城市疾病的发生具有重要的意义。
The tube bloom made by this method has given out the same physical and chemical test results as that made by basic open-hearth furnace +vacuum degassing process+ESR process.
采用碱性平炉＋ＥＳＲ（电渣重熔）法生产高强韧管坯，能完全满足管坯的各项技术要求，各项理化检测结果与采用碱性平炉＋真空除气＋ＥＳＲ法生产的同类管坯水平基本相当。
Resin was degassed using a vacuum and the winding carried out under vacuum.
树脂用真空脱气，并在真空下进行缠绕。
The vacuum takes off the angry aircrew including the vacuum takes off angry machine, vacuum pump and centrifugal pump.
真空脱气机组是包括真空脱气机、真空泵和离心泵。
The Research on Stress Testing for Deformed Part of Vacuum Degaslified Tower;
真空脱气塔受损部位应力测试与分析
Study on Cleanliness of gas cylinder steel during Vacuum Degassing
真空脱气过程中气瓶钢洁净度研究(英文)
The fatigue life of vacuum degased ball bearing steel and its influence factors
真空脱气轴承钢的疲劳寿命及影响因素
Feasibility of CrNiMo Military VD Steel Vacuum Degassing And Removing Impurities;
CrNiMo军工钢VD真空脱气、去夹杂的可行性研究
Fast startup-output deoxygenated water simultaneously with the vacuum pump turning on.
五．启动快——开机启动真空泵即出脱气水。
Technology of COG Desulphurization with Vacuum Carbonate Process
焦炉煤气用真空碳酸盐法的脱硫技术
Experimental study on regeneration of SO_2-rich solution from flue gas desulfurization(FGD) by vacuum membrane distillation
真空膜蒸馏法再生烟气脱硫废液的试验研究
combined compressed-air and vacuum brakes
空气-真空两用制动机
The air is evacuated from the furnace.
从真空炉中抽出空气。
The vacuum valve opens to admit air.
真空阀开启以补充空气。
Study on Combined Microwave Vacuum and Freeze Drying of Fruits and Vegetables;
微波真空与真空冷冻干燥组合生产脱水果蔬
Disconnect vacuum hose from vacuum port on the intake manifol
自进气歧管真空口拆下真空软管。
Alloy steel heats are vacuum-treated on degassing units to reduce hydrogen contact to less than two parts per million and reduce metallic oxides.
合金钢热是在脱气装置下进行真空处理，以将氢接触减少到百万分之二以下，并减少金属氧化物。
vacuum and inert atmosphere rolling
真空和保护气体中轧制
cell, photoemissive, vacuum or gas filled
光电发射、真空或充气管
