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Research and Application of High-Voltage Power Supply and Distribution on Launch Vehicle

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Aerospace China 2022年第2期23卷 46-54页

作者： WANG Meng GAO Li YANG xinru xin gaobo YAN Feng WANG Shudan Shanghai Institute of Astronautic System Engineering Shanghai 201109 Shanghai Institute of Space Power-Sources Shanghai 200245

High-power electric actuators are generally used on solid propellant motors,which further enhances the requirement on onboard supply voltage and output power of a launch *** this paper,combined with the electrical demand of China’s new generation solid-liquid bundled launch vehicle(LM-6 A),high-voltage battery technology,high-power switch control technology,insulation protection technology under low pressure are studied,and the key technologies and schemes are *** flight test of LM-6 A shows that the high-voltage power supply and distribution technology adopted is reasonable and feasible,and can be used as a reference for the designs of other launch vehicles or spacecrafts.

关键词： launch vehicle high-voltage power supply and distribution lithium-ion battery insulation protection

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运载火箭冗余分级智能供配电技术研究

计算机测量与控制 2018年第10期26卷 137-140,154页

作者：辛高波王猛丁秀峰文新上海宇航系统工程研究所上海201109 北京航天微机电技术研究所北京100064

运载火箭供配电系统主要为全箭电气设备提供工作电源;随着技术发展,运载火箭电气系统一体化、智能化要求越来越高,这给运载火箭供配电系统提出更高的要求;针对目前国内运载火箭电磁继电器配电方案状态监测少、智能化程度低、箭地接口复... 详细信息

运载火箭供配电系统主要为全箭电气设备提供工作电源;随着技术发展,运载火箭电气系统一体化、智能化要求越来越高,这给运载火箭供配电系统提出更高的要求;针对目前国内运载火箭电磁继电器配电方案状态监测少、智能化程度低、箭地接口复杂等现状,提出了一种运载火箭冗余分级智能供配电方案;该方案以固体功率控制器(SSPC)为核心,采用分布式总线、嵌入式控制、冗余设计、模块化设计技术,实现配电控制、故障隔离、机内自检测(BIT)等功能,简化了箭地接口,以适应未来新一代运载火箭发展需求;通过原理样机测试表明,冗余分级智能供配电方案可以为火箭供配电系统提供更为全面的保护,实现供配电系统的高度自主运行。

关键词：运载火箭智能配电固态功率控制器试验验证

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固液捆绑火箭发动机健康诊断技术

上海航天（中英文） 2022年第5期39卷 8-14页

作者：杨欣茹王猛高莉辛高波孙平党锋刚上海宇航系统工程研究所上海201109 上海航天技术研究院上海201109 西安航天动力研究所陕西西安710100

为使固液捆绑运载火箭发射更具有可靠性和安全性,本文首次提出了一种基于三冗余架构的芯级液体发动机健康诊断系统。在芯级液体发动机点火后,由箭上健康诊断系统根据红线算法对发动机状态进行诊断,确认液体发动机状态正常后再进行固体... 详细信息

为使固液捆绑运载火箭发射更具有可靠性和安全性,本文首次提出了一种基于三冗余架构的芯级液体发动机健康诊断系统。在芯级液体发动机点火后,由箭上健康诊断系统根据红线算法对发动机状态进行诊断,确认液体发动机状态正常后再进行固体发动机点火。通过地面发动机试车及飞行试验考核,结果表明:该发动机健康诊断系统设计正确,能够及时有效地检测液体发动机工作状态,且未发生误警报或漏警报。

关键词：固液捆绑火箭液体发动机健康诊断三冗余红线算法

Improvement of Wear Resistance of Magnesium Alloy AZ91HP by High Current Pulsed Electron Beam Treatment

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材料热处理学报 2004年第5B期25卷 1029-1031页

作者： gaobo HAOSheng-zhi ZOUJian-xin JIANGLi-min ZHOUJI-yang DONGChuang StateKeyLab.ofMaterialssurfaceModificationbyLaser IonandElectronBeamsDatianChina StateKeyLab.ofMaterialssurfaceModificationbyLaser IonandElectronBeamsDatianChina／／DepartmentofMaterialsEngineeringDalianUniversityofTechnologyDalianChina

Surface modification of magnesium alloy AZ91HP (9wt%Al, 0.5wt%Zn, 0.5wt%Mn, Mg remaining percentage) by high current pulsed electron beam (HCPEB) treatment was studied in this paper. The secondary phase MgnAln is nearly completely dissolved and as a result, a super-saturated solid solution forms on the re-melted surface. The microhardness is increased both in and far beyond the heat-affected zone (HAZ), reaching about 250um. Measurements on sliding wear have shown that the wear resistance of the treated samples was improved by a factor of about 2.4 as compared to the as-received sample. It is also found that the sliding wear resistance can be further improved by surface alloying with TiN.

关键词：镁合金 HCPEB 磨损性能 AZ91HP 表面改性高电流脉冲电子束

The Role of DNA Methylation Reprogramming During Sex Determination and Transition in Zebrafish

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Genomics, Proteomics & Bioinformatics 2021年第1期19卷 48-63页

作者： xinxin Wang xin Ma gaobo Wei Weirui Ma Zhen Zhang Xuepeng Chen Lei Gao Zhenbo Liu Yue Yuan Lizhi Yi Jun Wang Toshinobu Tokumoto Junjiu Huang Dahua Chen Jian Zhang Jiang Liu CAS Key Laboratory of Genome Sciences and Information Beijing Institute of GenomicsChinese Academy of Sciences/China National Center for BioinformationBeijing 100101China State Key Laboratory of Membrane Biology Institute of ZoologyChinese Academy of SciencesBeijing 100101China University of Chinese Academy of Sciences Beijing 100049China State Key Laboratory of Molecular Developmental Biology Institute of Genetics and Developmental BiologyChinese Academy of SciencesBeijing 100101China Key Laboratory of Reproductive Medicine of Guangdong Province the First Affiliated Hospital and School of Life SciencesSun Yat-sen UniversityGuangzhou 510275China Integrated Bioscience Section Graduate School of Science and TechnologyNational University Corporation Shizuoka UniversityShizuoka 422-8529Japan State Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan Center for Life SciencesSchool of Life SciencesYunnan UniversityKunming 650091China CAS Center for Excellence in Animal Evolution and Genetics Chinese Academy of SciencesKunming 650223China

DNA methylation is a prevalent epigenetic modification in vertebrates,and it has been shown to be involved the regulation of gene expression and embryo ***,it remains unclear how DNA methylation regulates sexual development,especially in species without sex *** determine this,we utilized zebrafish to investigate DNA methylation reprogramming during juvenile germ cell development and adult female-to-male sex *** reveal that primordial germ cells(PGCs)undergo significant DNA methylation reprogramming during germ cell development,and the methylome of PGCs is reset to an oocyte/ovary-like pattern at 9 days post fertilization(9 dpf).When DNA methyltransferase(DNMT)activity in juveniles was blocked after 9 dpf,the zebrafish developed into *** also show that Tet3 is involved in PGC ***,we find that DNA methylome reprogramming during adult zebrafish sex transition is similar to the reprogramming during the sex differentiation from 9 dpf PGCs to ***,inhibiting DNMT activity can prevent the female-to-male sex transition,suggesting that methylation reprogramming is required for zebrafish sex *** summary,DNA methylation plays important roles in zebrafish germ cell development and sexual plasticity.

关键词： Germ cell DNA methylation Sex determination Sex transition Sexual plasticity

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生物质直燃耦合燃煤发电技术路线对机组影响

洁净煤技术 2023年第S2期29卷 269-277页

作者：周凌宇陈罡杨高波王志超成汭珅佘园元聂鑫刘辉西安热工研究院有限公司陕西西安710032 西安益通热工技术服务有限责任公司陕西西安710049

随着“30·60”碳达峰、碳中和的总体目标明确,进一步降低煤电机组能耗,提升灵活性与调节能力,促进电力行业高效清洁低碳转型,是煤电机组新时期的发展方向。生物质直燃作为一种重要的利用方式,具有原料来源广、技术方案简单、设备投资... 详细信息

随着“30·60”碳达峰、碳中和的总体目标明确,进一步降低煤电机组能耗,提升灵活性与调节能力,促进电力行业高效清洁低碳转型,是煤电机组新时期的发展方向。生物质直燃作为一种重要的利用方式,具有原料来源广、技术方案简单、设备投资成本低等优点,发展潜力巨大。依托某超临界燃煤机组,研究采用烟气干燥+颗粒成型+原制粉系统研磨直掺,一级破碎+二级粉碎+空气输送+共管耦合,一级破碎+二级粉碎+烟气干燥+烟气输送+共管耦合3种直燃掺烧的技术路线,以热力计算为基础,通过锅炉掺烧生物质前后的校核计算,分析研究不同掺烧方式对机组的影响。进行包括烟气对生物质的干燥计算、锅炉抽烟气后的热效率计算、空气输送对锅炉热效率的影响计算、掺烧生物质后热力校核计算。结果表明:掺烧生物质后,锅炉排烟温度升高、热效率降低、减温水量增加、厂用电率增加、供电煤耗增加;单位供电CO_(2)排放降低,且随掺烧比例增加,影响幅度增加。经分析对比,采用一级破碎+二级粉碎的方式对生物质原料进行处理后,由热烟气干燥输送进行共管耦合直掺的方式对机组的影响最小。在100%、75%、50%负荷下,分别以输入热量占比为10%、20%、30%、40%进行热力计算,掺烧生物质后锅炉排烟温度升高2.46~14.14℃,热效率降低0.23~1.23个百分点,减温水量增加5.8~30.7 t/h,供电煤耗增加2.09~8.91 g/kWh,单位供电CO_(2)降低79.19~336.44 g/kWh,降幅折合11.1%~40%。

关键词：燃煤锅炉生物质直接掺烧机组影响碳排放热力计算

Ternary Ni-based Prussian blue analogue with superior sodium storage performance induced by synergistic effect of Co and Fe

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Carbon Energy 2021年第5期3卷 827-839页

作者： Lu-Lu Zhang Cheng Wei xin-Yuan Fu Zhao-Yao Chen Bo Yan Pan-Pan Sun Kai-Jun Chang Xue-Lin Yang Hubei Provincial Collaborative Innovation Center for New Energy Microgrid College of Electrical Engineering&New EnergyChina Three Gorges UniversityYichangHubeiChina College of Materials and Chemical Engineering China Three Gorges UniversityYichangHubeiChina Hubei gaobo Technology Inc. JingzhouHubeiChina

Prussian blue analogue Na2Ni[Fe(CN)6](Ni-PB)has been widely studied as a cathode material for sodium-ion battery due to its excellent cycling ***,Ni-PB has a low theoretical capacity of 85 mAh g^(−1) because of the electrochemical inertness of ***,ternary Ni-PB is successfully synthesized by double doping with Co and Fe at Ni-site,and the effect of doping with Co and Fe on the electrochemical performance of Ni-PB is systematically investigated through theoretical calculations and electrochemical *** first principles calculations confirm that double doping with Co and Fe can significantly reduce the energy barrier and bandgap of Ni-PB.X-ray diffraction and composition analysis results indicate that ternary NiCoFe-PB composite not only has good crystallinity and high Na content but also has low defects and crystal *** tests reveal that,besides the capacity contribution of high-spin Co/Fe and low-spin Fe,Co-doping enhances the electrochemical activity of low-spin Fe and Fe-doping improves the activity of high-spin Co;moreover,double doping can decrease the diffusion resistance of Na+ions through solid electrolyte interface film,accelerate the kinetics for both ion diffusion process and Faradic reaction,and increase active *** the synergistic effect of Co and Fe,this ternary NiCoFe-PB exhibits outstanding electrochemical performance with a high initial discharge capacity of 120.4 mAh g^(−1) at 20mA g^(−1) and an extremely low capacity fading rate of 0.0044%per cycle at a high current density of 2 A g^(−1) even after 10,000 cycles,showing great application potential of ternary NiCoFe-PB in the field of large-scale energy storage.

关键词： cathode materials doping Prussian blue analogue sodium-ion batteries synergistic effect

老年综合评估在老年综合病房护理安全管理中的应用效果

维普期刊数据库评论

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维普期刊数据库

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中华现代护理杂志 2017年第16期23卷 2140-2144页

作者：楼高波辛红菊陈文英陈凌燕浙江医院老年综合示范病房杭州310013

目的探讨应用老年综合评估（CGA）对老年综合病房护理安全管理的干预效果.方法回顾性分析应用CGA之前病房存在的安全问题,包括跌倒、压疮、坠床、导管滑脱、误吸.对每位患者进行CGA评估,根据评估结果个体化干预,实施综合安全管理,再... 详细信息

目的探讨应用老年综合评估（CGA）对老年综合病房护理安全管理的干预效果.方法回顾性分析应用CGA之前病房存在的安全问题,包括跌倒、压疮、坠床、导管滑脱、误吸.对每位患者进行CGA评估,根据评估结果个体化干预,实施综合安全管理,再次进行安全数据统计分析.结果应用CGA评估干预前后2年内护理安全不良事件发生率比较,跌倒发生率2.46%降至0.56%,压疮发生率1.23%降至0,坠床发生率0.92%降至0,导管滑脱发生率3.08%降至0.56%,误吸发生率1.54%降至0.56%,应用CGA之后,患者在跌倒、坠床、导管脱出的不良事件发生率低于CGA应用之前,差异均有统计学意义（P〈0.05）.结论通过实施CGA对住院患者进行早期综合评估和干预、病房安全管理与评价,可以减少或避免住院期间不良事件的发生,提高病房安全管理效果.

关键词：老年综合评估护理安全管理不良事件老年综合病房

以护士为主导的多学科团队干预对预防老年患者跌倒的效果研究

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护理与康复 2017年第6期16卷 601-604,607页

作者：楼高波林玲萍辛红菊陈凌燕管惠兰王燕燕浙江医院浙江杭州310013

目的探讨以护士为主导的多学科团队干预模式对预防老年患者跌倒的效果。方法根据SPSS 19.0软件生成的随机化编码,将370例老年患者分为对照组和观察组各185例,对照组采用挂警示标识、健康教育等预防跌倒的常规护理方法,观察组采用护士为... 详细信息

目的探讨以护士为主导的多学科团队干预模式对预防老年患者跌倒的效果。方法根据SPSS 19.0软件生成的随机化编码,将370例老年患者分为对照组和观察组各185例,对照组采用挂警示标识、健康教育等预防跌倒的常规护理方法,观察组采用护士为主导的多学科团队综合干预模式。干预6个月后比较两组患者跌倒发生率、跌倒可以预防知晓率、Tinetti平衡和步态量表评分、Morse跌倒评估量表评分、中文版跌倒效能量表评分。结果观察组患者跌倒发生率低于对照组,跌倒可以预防知晓率高于对照组,Tinetti平衡和步态量表及中文版跌倒效能量表评分均高于对照组,Morse跌倒评估量表评分低于对照组,比较差异均有统计学意义(P<0.05)。结论以护士为主导的多学科团队综合干预模式可改善老年患者对跌倒的认知,改善老年患者躯体功能状态,从而降低跌倒发生率。

关键词：护士多学科团队老年患者预防跌倒