1) vacuum balloon
真空气球
2) vacuum degasification
真空脱气
1.
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。
3) vacuum gas quenching
真空气淬
1.
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。
2.
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。
3.
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。
4) vacuum degassing
真空脱气
1.
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。
5) airborne fungi
空气真菌
1.
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。
2.
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。
3.
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。
6) Vacuum Degassing
真空除气
1.
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。
补充资料：真空脱气
分子式：
CAS号：
性质：在真空条件下将液体内溶解的气体排除的过程叫做真空脱气。在冶金工业中，对液态金属进行真空脱气，以除去氧、氮等有害气体。在真空蒸馏、真空蒸发等过程中，为防止溶液爆沸，要预先进行真空脱气处理。在海水淡化、石油开采、火力发电等工业部门中，用真空脱气法从水中脱除溶解的氧和二氧化碳，以减轻设备的腐蚀并避免结垢，化工用真空脱气设备有降膜塔、喷射塔及填料塔等。
CAS号：
性质：在真空条件下将液体内溶解的气体排除的过程叫做真空脱气。在冶金工业中，对液态金属进行真空脱气，以除去氧、氮等有害气体。在真空蒸馏、真空蒸发等过程中，为防止溶液爆沸，要预先进行真空脱气处理。在海水淡化、石油开采、火力发电等工业部门中，用真空脱气法从水中脱除溶解的氧和二氧化碳，以减轻设备的腐蚀并避免结垢，化工用真空脱气设备有降膜塔、喷射塔及填料塔等。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条