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两段热处理
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  two-step heat treatment
     The effects of two-step heat treatment on properties of hydrogen storage alloys electrode
     两段热处理对贮氢合金电极性能的影响
短句来源
  “两段热处理”译为未确定词的双语例句
     The crystallization of MgO-B_2O_3-SiO_2 system was investigated by X-ray diffraction (XRD)and scanning electron microscopy (SEM) .
     采用两段热处理技术,利用X射线衍射分析、扫描电镜观察等方法研究广2MgO-B_2O_3-SiO_2系的晶化过程,晶化析出相2MgO·B_2O_3的微观形貌具有分形特征,采用密度-密度相关函数法计算其分形维数为1.63。
短句来源
     The activation times decreases from 8 times to 3 times, the discharge efficiency with lC at -20℃ increases from 73. 5 % to 94. 8%, the discharge efficiency with 1C at 45 ℃ declines nearly 3% of hydrogen storage alloy electrode after heat treatment.
     在不同的充电率下,合金电极在-20℃(1C)时放电效率由铸态合金电极的73.5%提高到热处理合金电极的94.8%. 但热处理合金电极在45℃(1C)时放电效率则比铸态合金电极下降近3%,表明两段热处理能明显提高合金的活化速度,但合金电极的高温充放电容量下降.
短句来源
     The effect of different stages of the partial melting process on the phase component and microstructure of (Bi,Pb)-2223/Ag strip was analyzed and compared to the normal two-stage heat treatment process.
     通过部分熔化处理工艺和普通两段热处理工艺的对比研究,分析了部分熔化处理工艺在不同热处理阶段对(Bi,Pb)-2223/Ag带材相组成和微结构的影响。
短句来源
     Other characteristic morphologies formed at high pressure, i. e. spherulites, cylindrulites and lath crystals, were also presented with the scanning electron microscopy (SEM) measurements.
     扫描电子显微镜(SEM)同时还观察到一些其他的晶体形态,其中包括球晶,圆柱晶以及板条晶。 研究还指出可以在静高压下通过低温结晶-高温退火的两段热处理方式得到具备丰富微观结构的高结晶度PC样品。
短句来源
     The final strip made by the partial melting process has a critical current of 51 A (while the strip made by the normal two-stage heat treatment process have the lower critical current of 36 A). Thus the new method increases the critical current by about 40%.
     通过部分熔化处理工艺处理的带材Ic达到51A,而普通两段热处理工艺处理的带材Ic为36A,Ic提高了约40%。
短句来源
  相似匹配句对
     Study and Application of the New Technologyfor the Combined Chemico-ThermalTreatment of Two Stages
     复合化学热处理新工艺的研究及应用
短句来源
     The effects of two-step heat treatment on properties of hydrogen storage alloys electrode
     热处理对贮氢合金电极性能的影响
短句来源
     Experimental Research on Combustion Boiler with Two-stage combustion
     燃烧炉的实验研究
短句来源
     Two-Section Coubled—Cavity Semiconductor Lasers Zhang Shiqiao,Zhuang Wanru and Tan Shuming
     耦合腔半导体激光器
短句来源
     Study on Technology of Multistage Heat Treat ment for Malleable iron
     可锻铸铁多热处理工艺研究
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  two-step heat treatment
The stress hysteresis was further decreased by a two-step heat treatment.
      
The aqueous solution is transformed into a ceramic material after a two-step heat treatment: gelation at 60 °C and reactive sintering at 1,180 °C.
      
The sensitization behaviors of 19 heats of titanium stabilized, 12 Wt Pct chromium, ferritic stainless steel were evaluated by measuring the intergranular corrosion resistance of samples given a two-step heat treatment.
      
A two-step heat treatment was developed as a means of maximizing the basal texture of Zircaloy-4 sheet.
      
Two types of two-step heat treatment were performed in a rapid thermal annealing (RTA) system or in a furnace to simulate the flip-chip solder-joining process.
      
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The crystallization of MgO-B_2O_3-SiO_2 system was investigated by X-ray diffraction (XRD)and scanning electron microscopy (SEM) . The crystalline phase precipitated is 2MgO·B_2O_3,the micrograph ofwhich shows fractal characteristic, and its fractal dimension is 1. 63. In order to reveal the growth mechanism of 2MgO· B_2O_3 , the crystal growth for 2MgO· B_2O_3 dendrite was simulated by computer with Monte- Carlomethod.The resuIt shows that the growth mechanism of 2MgO ·B_2O_3 depends on the diffusion-limited...

The crystallization of MgO-B_2O_3-SiO_2 system was investigated by X-ray diffraction (XRD)and scanning electron microscopy (SEM) . The crystalline phase precipitated is 2MgO·B_2O_3,the micrograph ofwhich shows fractal characteristic, and its fractal dimension is 1. 63. In order to reveal the growth mechanism of 2MgO· B_2O_3 , the crystal growth for 2MgO· B_2O_3 dendrite was simulated by computer with Monte- Carlomethod.The resuIt shows that the growth mechanism of 2MgO ·B_2O_3 depends on the diffusion-limited aggre-gatlon(DLA).It is suggested the fractal theory combined with computer simulation will play an important roleIn the study of unknown mechanism.

采用两段热处理技术,利用X射线衍射分析、扫描电镜观察等方法研究广2MgO-B_2O_3-SiO_2系的晶化过程,晶化析出相2MgO·B_2O_3的微观形貌具有分形特征,采用密度-密度相关函数法计算其分形维数为1.63。为揭示2MgO·B_2O_3生长机制,采用Monte-Carlo方法及改进的DLA模型对分形生长过程进入计算机模拟。模拟结果与实际分形结构、分形维数相符,表明2MgO·B_2O_3生长是扩散控制凝聚过程。可以预见,分形理论与计算机模拟相结合,将会在探讨未知机理方面发挥重要作用。

The effects of two-step method heat treatment on the thermodynamic properties of Ml(NiCoM-nAl)5 hydrogen storage alloys are studied. The P-C-T curves of casting alloy and 850~1 000 ℃ two step heat treatment alloys are measured by electrochemistry method, and the activation performance and the temperature characteristics of hydrogen storage alloy electrode are measured with a three-electrode system. The results show that the hydrogen flat pressure decreased and the gradient of discharging hydrogen flat of the...

The effects of two-step method heat treatment on the thermodynamic properties of Ml(NiCoM-nAl)5 hydrogen storage alloys are studied. The P-C-T curves of casting alloy and 850~1 000 ℃ two step heat treatment alloys are measured by electrochemistry method, and the activation performance and the temperature characteristics of hydrogen storage alloy electrode are measured with a three-electrode system. The results show that the hydrogen flat pressure decreased and the gradient of discharging hydrogen flat of the hydrogen storage alloys diminishes after heat treatment. The results of X-ray diffraction shows that the diffraction peak becomes higher and steeper, the FWHM declines from 0. 36 to 0. 20 after heat treatment. The activation times decreases from 8 times to 3 times, the discharge efficiency with lC at -20℃ increases from 73. 5 % to 94. 8%, the discharge efficiency with 1C at 45 ℃ declines nearly 3% of hydrogen storage alloy electrode after heat treatment.

采用电化学方法测定了铸态合金和850~1000℃时二步法热处理合金(即热处理合金)的P-C-T曲线,研究了二步法热处理对Ml(NiCoMnAl)5贮氢合金热力学性能的影响;应用三电极体系测定了贮氢合金电极的活化性能及温度特性.研究结果表明;合金经热处理后,平台压力下降,贮氢合金放氢平台的倾斜度减小;同时.X衍射的特征衍射峰明显加高,主峰半高宽由0.36下降到0.20;在常温(25℃)和0.0C(其中C为放电容量)充放电的条件下,合金电极达到最大电化学容量的循环次数由铸态舍金电极的8次提高到热处理合金电极的3次;在不同的充电率下,合金电极在-20℃(1C)时放电效率由铸态合金电极的73.5%提高到热处理合金电极的94.8%.但热处理合金电极在45℃(1C)时放电效率则比铸态合金电极下降近3%,表明两段热处理能明显提高合金的活化速度,但合金电极的高温充放电容量下降.

The effect of different stages of the partial melting process on the phase component and microstructure of (Bi,Pb)-2223/Ag strip was analyzed and compared to the normal two-stage heat treatment process. The results show that some of the (Bi,Pb)-2212 phase melted and decomposed into (Sr,Ca)2CuO3, (Sr,Ca)Cu2O3 and rich (Bi,Pb) liquid phase. At the same time, the (Sr,Ca)2CuO3 and (Sr,Ca)Cu2O3 phases grew rapidly. During cooling and phase formation, the (Sr,Ca)2CuO3 and (Sr,Ca)Cu2O3 phases stop growing when they...

The effect of different stages of the partial melting process on the phase component and microstructure of (Bi,Pb)-2223/Ag strip was analyzed and compared to the normal two-stage heat treatment process. The results show that some of the (Bi,Pb)-2212 phase melted and decomposed into (Sr,Ca)2CuO3, (Sr,Ca)Cu2O3 and rich (Bi,Pb) liquid phase. At the same time, the (Sr,Ca)2CuO3 and (Sr,Ca)Cu2O3 phases grew rapidly. During cooling and phase formation, the (Sr,Ca)2CuO3 and (Sr,Ca)Cu2O3 phases stop growing when they reach a certain size and react with liquid phase to recreate the (Bi,Pb)-2212 phase with good orientation. At the phase formation stages, the (Bi,Pb)-2223 phase during transformation from the (Bi,Pb)-2212 phase inherits the good orientation of (Bi,Pb)-2212 phase. This results in an improvement in the texture and the density of the (Bi,Pb)-2223 phase which in turn results in an improvement of the critical current. The final strip made by the partial melting process has a critical current of 51 A (while the strip made by the normal two-stage heat treatment process have the lower critical current of 36 A). Thus the new method increases the critical current by about 40%.

通过部分熔化处理工艺和普通两段热处理工艺的对比研究,分析了部分熔化处理工艺在不同热处理阶段对(Bi,Pb)-2223/Ag带材相组成和微结构的影响。实验结果显示,在熔化温度下,部分(Bi,Pb)-2212相发生分解,分解为(Sr,Ca)2CuO3相、(Sr,Ca)Cu2O3相和富(Bi,Pb)液相,与此同时(Sr,Ca)2CuO3相和(Sr,Ca)Cu2O3相快速长大。随着冷却和成相处理,(Sr,Ca)2CuO3相和(Sr,Ca)Cu2O3相长大到一定尺寸,各相系统达到平衡后,就不再长大,并和部分液相反应,重新生成具有良好取向的(Bi,Pb)-2212相。在成相处理阶段,(Bi,Pb)-2212相转化为(Bi,Pb)-2223相,同时生成的(Bi,Pb)-2223相继承了(Bi,Pb)-2212相的良好取向,使(Bi,Pb)-2223相织构得以改善,致密度得到提高,结果最终带材的性能得到提高。通过部分熔化处理工艺处理的带材Ic达到51A,而普通两段热处理工艺处理的带材Ic为36A,Ic提高了约40%。

 
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