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| 1 | Preparation and Characterization of Co_(0.3)Cr_(0.7)O_x Particles Using for Thermal Radiation Coating显示文摘Novel Co0.3Cr0.7Ox(x=2-3)particles with spinel structure were synthesized via precipitation method through the reactions among CoSO4,Cr(NO3)3 and NaOH solutions,followed by spray-drying and sintering at 1200 ℃for 4h in the air.The particles were characterized by X-ray diffraction(XRD)and scanning electron microscopy(SEM).The XRD results revealed that the particles are composed of Co0.3Cr0.7Ox phase without the presence of other phases.The SEM observation showed that the particles are in the shape of sphere with well flowability.Infrared radiation test indicated that the total infrared normal emissivity of the coating made of Co0.3Cr0.7Ox can be up to 0.92 at 800℃.And the normal emissivities of the prepared Co0.3Cr0.7Ox particles are always slightly larger than those of CoCr2O4 particles prepared by solid-state reaction method in the test temperature range of 50-300℃.The relatively high thermal emissivity of Co0.3Cr0.7Ox is assumed to be mainly attributed to the spinel structure.These results indicated that Co0.3Cr0.7Ox particles are a good thermal radiation material,which can be used as infrared radiation layer in thermal protection system. | Luo Lijie1,2,Huang Chuanbing1,Zhu Yongping1,Zhang Weigang1 1 State Key Laboratory of Multi-phase Complex Systems,Institute of Process Engineering,Chinese Academy of Sciences,Beijing 100190,China 2 Graduate University of Chinese Academy of Sciences,Beijing 100049,China | 2012 | 稀有金属材料与工程2012，41，S1： | 2 |
| 2 | 低能加速器质子束流性质的测量(英文)显示文摘中国锦屏地下实验室(CJPL)坐落于四川省锦屏山中,利用水电站修建的隧道建成。由于其本底环境极低,非常适合开展低本底实验测量。一台基于ECR源的400 k V强流加速器将安装在CJPL中,其可以为核天体物理实验提供流强为12 emA的质子束流,6 emA的He^+束流和2.5 emA的He^(2+)束流。拟通过非共振反应^(12)C(p,γ)^(13)N以及一系列的共振反应^(27)Al(p,γ)^(28)Si等,对加速器的束流能量进行精确刻度,对束流的能量展宽以及长期稳定性进行测量。由于该加速器正在中国原子能科学研究院进行地面调试,我们利用中国科学院近代物理研究所的320 k V研究平台,进行了^(12)C(p,γ)^(13)N和^(27)Al(p,γ)^(28)Si反应的测试实验。测量结果表明,在质子束流能量为224 keV时,束流的能量展宽约为1.0 keV,束流能量在连续4小时的测量期间,其晃动幅度远小于±200 e V。 | 王硕 李阔昂 许世伟 马少波 唐晓东 何建军 张宁涛 苏俊 谌阳平 陈涵 陈治均 裴常进 朱昊 张子睿 张乃波 王守宇 | 2017 | 原子核物理评论2017，34，3： | 1 |
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