The air-condition and air-regulating of the close cabin in ship;
船舶封闭舱室空气调节和再生
Transformation mechanism of carbides and their effect on the stress rupture property were investigated in a Ni-base single crystal superalloy with microcontent of carbon.
015%)碳的镍基单晶高温合金在热处理和持久过程中的碳化物演化机制以及各种碳化物对合金持久性能的影响。
The results show that no recrystallization occurs at 1050℃ but coarse γ′ phases precipitate and stress rupture property decreases.
对标准热处理后的第一代单晶高温合金DD3吹砂,然后采用不同温度进行热处理,研究了吹砂后热处理温度对合金1000℃/195 MPa持久性能的影响。
Results showed that holding for such short time,there were a lot of blocky γ′phases in the bonding seam with D1P interlayer alloy,causing a lower stress rupture property of about 60% of.
对上述规范下获得的DD3接头组织和性能进行了研究分析,结果表明,扩散时间短,D1P中间层合金扩散焊接头组织很不均匀,在中间层合金流入处生成大量光板γ′相,对接头持久性能不利,1250℃下扩散4h接头的980℃持久性能为母材性能的60%;而D1F中间层合金扩散焊接头组织均匀一致,1250℃下扩散4h接头980℃持久性能超过母材性能的70%。
The classification systems of soil seed banks and seed persistence in soil;
土壤种子库的分类系统和种子在土壤中的持久性
Yield and Persistence of 12 Introduced Varieties of Alfalfa;
12个紫花苜蓿引进品种的产量及持久性评价
Regrowth,fall dormancy and persistence of alfalfa varieties released by Chinese Forage Variety Registration Commission;
紫花苜蓿国家审定品种的产量、再生性、秋眠性及持久性测定分析
The effects of different heat-treatment on microstructure and stress rupture of MX246A have been studied in the present investigation.
研究了不同热处理制度对MX246A合金显微组织和持久性能的影响。
It shows that this method can successfully predict the stress rupture of test alloy.
在Monkman-Grant方程的基础上计算了试验合金的Larson-Miller曲线,对预测的结果与试验结果进行了比较,计算曲线与实测曲线有较好的吻合,证明该方法能够准确地预测试验合金的持久性能。
The influence of microstructure after long time aging at high temperature on the stress rupture at 1010℃/248MPa was investigated.
研究了高温长期时效对一种镍基单晶合金组织和在1010℃/248MPa条件下的持久性能的影响。
The microstructures and stress rupture properties of the second generation single crystal superalloy DD6 with [001] orientation were investigated after the full heat treatments were performed and aged at 980 ℃ for 100, 200, 300, 400, 600, 800 and 1000 h, respectively.
选用980℃时效温度、分别对[001]取向标准热处理后的第2代单晶高温合金DD6进行100,200,300,400,600,800及1000h的长期时效,研究了合金的显微组织与持久性能。
The effects of low angle grain boundaries(LABs) on the stress rupture properties of second generation single crystal superalloy DD6 were investigated at 800℃,850℃ and 900℃.
在800℃,850℃和900℃的温度条件下,研究小角度晶界对第二代单晶高温合金DD6持久性能的影响。
The effects of heat treatment on the microstructures and stress rupture properties for the single crystal Ni-base superalloy have been investigated.
研究了不同热处理工艺对一种镍基单晶高温合金的组织和持久性能的影响。
continuous enclosure
持久性封闭室建筑上或机械上的一部分
Formulation Design of Room Temperature Curable Waterborne Epoxy Sealer Primer for Concrete
室温固化水性环氧混凝土封闭底涂的配方设计
totally enclosed chlorine store
全封闭式氯气贮存室
Research of the Performance Persistence of the Closed-end Fund in China;
中国封闭式基金业绩持续性的实证研究
Correlation Analysis of Close-End Funds Stock Ownerships in Bull Market and Bear Market;
封闭式基金在牛市和熊市期间持股相关性研究
The Imperical Study of Performance Persistence on Closed-end Funds in China;
我国封闭式基金收益率持续性实证研究
An Empirical Study of the Persistence of the NAV Growth of China Closed-End Funds
我国封闭式基金净值增长持续性实证研究
A Comparative Study of the Sealing Ability of Three Root Canal Sealers in Vitro;
三种根管封闭剂根尖封闭性能的比较
Scanning electron microscopic study on the penetration and adaptation of enameloplasty sealant technique(est)
窝沟封闭剂的封闭性的临床效果评价
One end of the cable is permanently connected to the enclosed mercury switch and the entire assembly is encapsulated to form a completely watertight and impact resistant unit.
电缆的一端永久性连接在封闭的水银开关内,这个完整的密封总装形成完全不透水、抗撞击装置。
permanently closed-in space on or above the upper deck
上甲皮或以上的永久封闭舱位
The district has been sealed off for about three months.
该地区已封闭约达3个月之久。
The sample is placed in a closed chamber and the amount of oxygen absorbed is determined and used as a measure of stability.
将样品置于一封闭室内,测定氧气的吸收量并作为稳定性的量度。
An enclosed yard for tilting contests.
持矛比武场进行持矛比赛的封闭场地
The Study on the Performance Persistence of Chinese Open-ended Funds and Closed Funds;
我国开放式基金与封闭式基金业绩持续性的对比研究
Research on Evaluation and Durative of Performance for Closed-investment Fund by Fund Managerial Corporation;
基金管理公司运作封闭式基金的业绩评价及持续性研究
Study on Performance and Sustainability of the Closed-end Funds Based on DEA Method;
基于DEA方法的封闭式基金相对绩效和持续性研究
bounded naturally fractured reservoir
封闭式天然裂缝性储层