Building a lunar human base is one of the important goals of human lunar exploration.This paper proposes a method for the production of oxygen by combining photothermal synergistic water decomposition with high-temper...Building a lunar human base is one of the important goals of human lunar exploration.This paper proposes a method for the production of oxygen by combining photothermal synergistic water decomposition with high-temperature carbon dioxide electrolysis,utilizing the full solar spectrum.The optimal oxygen production rates under different solid oxide electrolysis cell inlet temperatures T_(e),ultraviolet(UV)separation wavelengths λ_(2),infrared(IR)separation wavelengths,and photovoltaic cell materials were explored.The results indicate that the inlet temperature of the solid oxide electrolysis cell should be as high as possible so that more carbon dioxide can be converted into carbon monoxide and oxygen.Furthermore,when the ultraviolet separation wavelength is approximately 385 nm,the proportion of solar energy allocated to the photoreaction and electrolysis cell is optimal,and the oxygen production rate is highest at 2.754×10^(-4) mol/s.Moreover,the infrared separation wavelength should be increased as much as possible within the allowable range to increase the amount of solar radiation allocated to the electrolysis cell to improve the rate of oxygen generation.In addition,copper indium gallium selenide(CIGS)has a relatively large separation wavelength,which can result in a high oxygen production rate of 3.560×10^(-4) mol/s.The proposed integrated oxygen production method can provide a feasible solution for supplying oxygen to a lunar human base.展开更多
目的探究难治性甲状腺癌(refractory thyroid cancer,RTC)患者胞外力学微环境变化的超声弹性特征,并评估其在预测RTC患者中的作用。方法本研究纳入1545例经手术治疗的甲状腺癌患者,按照病理及临床诊断分为RTC组和非RTC组。随访5年,记录...目的探究难治性甲状腺癌(refractory thyroid cancer,RTC)患者胞外力学微环境变化的超声弹性特征,并评估其在预测RTC患者中的作用。方法本研究纳入1545例经手术治疗的甲状腺癌患者,按照病理及临床诊断分为RTC组和非RTC组。随访5年,记录患者的总生存期(OS)和无病生存期(DFS)。所有患者均接受剪切波超声弹性成像(SWE)及原子力显微镜(AFM)检查,获取RTC患者癌灶的硬度弹性模量(E、Y)和癌旁2mm组织的硬度弹性模量(Eshell2、Y2);评估两组患者ECM中胶原组分及丰度的差异;癌灶及癌旁组织中CAF活化度差异;比较两组患者的SWE及AFM数值与OS、DFS的相关性;通过CHAID分类树计算E、Eshell2及Eshell2/E预测RTC患者转移的截断值。结果与非RTC组相比,RTC组的Eshell2值及Y2显著升高(P<0.01);癌旁组织ECM显著重塑,CAF活化度高,胶原在癌旁组织中大量沉积。SWE指标与AFM指标呈高度相关性(r=0.82)。通过CHAID分类树分析得出,当Eshell2/E>1.25且Eshell2>81.7 k Pa时,预测RTC患者的准确率达96.7%。结论Eshell2/E可准确反应RTC患者的胞外力学微环境,Eshell2/E>1.25且Eshell2>81.7 k Pa是预测RTC患者的有效指标。展开更多
基金supported by the National Natural Science Foundation of China(52106276 and 52130601).
文摘Building a lunar human base is one of the important goals of human lunar exploration.This paper proposes a method for the production of oxygen by combining photothermal synergistic water decomposition with high-temperature carbon dioxide electrolysis,utilizing the full solar spectrum.The optimal oxygen production rates under different solid oxide electrolysis cell inlet temperatures T_(e),ultraviolet(UV)separation wavelengths λ_(2),infrared(IR)separation wavelengths,and photovoltaic cell materials were explored.The results indicate that the inlet temperature of the solid oxide electrolysis cell should be as high as possible so that more carbon dioxide can be converted into carbon monoxide and oxygen.Furthermore,when the ultraviolet separation wavelength is approximately 385 nm,the proportion of solar energy allocated to the photoreaction and electrolysis cell is optimal,and the oxygen production rate is highest at 2.754×10^(-4) mol/s.Moreover,the infrared separation wavelength should be increased as much as possible within the allowable range to increase the amount of solar radiation allocated to the electrolysis cell to improve the rate of oxygen generation.In addition,copper indium gallium selenide(CIGS)has a relatively large separation wavelength,which can result in a high oxygen production rate of 3.560×10^(-4) mol/s.The proposed integrated oxygen production method can provide a feasible solution for supplying oxygen to a lunar human base.
文摘目的探究难治性甲状腺癌(refractory thyroid cancer,RTC)患者胞外力学微环境变化的超声弹性特征,并评估其在预测RTC患者中的作用。方法本研究纳入1545例经手术治疗的甲状腺癌患者,按照病理及临床诊断分为RTC组和非RTC组。随访5年,记录患者的总生存期(OS)和无病生存期(DFS)。所有患者均接受剪切波超声弹性成像(SWE)及原子力显微镜(AFM)检查,获取RTC患者癌灶的硬度弹性模量(E、Y)和癌旁2mm组织的硬度弹性模量(Eshell2、Y2);评估两组患者ECM中胶原组分及丰度的差异;癌灶及癌旁组织中CAF活化度差异;比较两组患者的SWE及AFM数值与OS、DFS的相关性;通过CHAID分类树计算E、Eshell2及Eshell2/E预测RTC患者转移的截断值。结果与非RTC组相比,RTC组的Eshell2值及Y2显著升高(P<0.01);癌旁组织ECM显著重塑,CAF活化度高,胶原在癌旁组织中大量沉积。SWE指标与AFM指标呈高度相关性(r=0.82)。通过CHAID分类树分析得出,当Eshell2/E>1.25且Eshell2>81.7 k Pa时,预测RTC患者的准确率达96.7%。结论Eshell2/E可准确反应RTC患者的胞外力学微环境,Eshell2/E>1.25且Eshell2>81.7 k Pa是预测RTC患者的有效指标。
