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面向有机氟化工的特种分离技术研究

山西化工 2024年第5期44卷 49-51页

作者：陈力豪浙江省天正设计工程有限公司浙江杭州310000

针对有机氟化合物的合成和分离技术,由于普通分离方法的分离效果较差,特种分离技术成为解决问题的有效途径之一。基于此,研究旨在探索面向有机氟化工的特种分离技术,分类阐述了不同分离技术的原理,并进行了技术的应用分析,以期为相关研... 详细信息

针对有机氟化合物的合成和分离技术,由于普通分离方法的分离效果较差,特种分离技术成为解决问题的有效途径之一。基于此,研究旨在探索面向有机氟化工的特种分离技术,分类阐述了不同分离技术的原理,并进行了技术的应用分析,以期为相关研究实践提供参考。

关键词：有机氟特种分离萃取膜分离吸附

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从“肝者,罢极之本”论治视疲劳

中医杂志 2024年第6期65卷 649-651,656页

作者：李江伟姚小磊陈立浩胡艺彭清华湖南中医药大学湖南省长沙市410208 湖南中医药大学第一中医临床学院

通过分析“肝者,罢极之本”的含义,认为肝主藏血、司疏泄的生理功能对于人体耐受形体疲劳和精神疲劳均具有重要作用,亦关系到目珠和筋的生理活动。视疲劳的形成与肝脾肾功能失调有关,肝在视疲劳的发生发展过程中发挥着关键作用,肝血不... 详细信息

通过分析“肝者,罢极之本”的含义,认为肝主藏血、司疏泄的生理功能对于人体耐受形体疲劳和精神疲劳均具有重要作用,亦关系到目珠和筋的生理活动。视疲劳的形成与肝脾肾功能失调有关,肝在视疲劳的发生发展过程中发挥着关键作用,肝血不足和肝失疏泄引起气血运行失常,导致目窍失养,进而影响目珠正常生理功能。在治疗上应注重养血柔肝以濡养神魂,调补肝气以振奋肝阳,健脾疏肝以益气升阳,滋补肝肾以调和阴阳,以期恢复肝体阴而用阳的生理特性,从而治愈视疲劳。

关键词：视疲劳罢极之本肝体肝用肝气肝血

多源遥感影像融合处理提取格拉丹东雪山区域特征信息

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地质科技通报 2024年第2期43卷 370-385页

作者：许伟杨德芳陈李昊罗锴澍张生鹏张彦泽李龙陈刚中国地质大学(武汉)地质探测与评估教育部重点实验室武汉430074 青海省自然资源遥感中心西宁810000 中国地质大学(北京)土地科学技术学院北京100083 湖北大学资源环境学院武汉430062 青海省基础测绘院西宁810000

2022年7月中国地质大学(武汉)冰川勘测组与登山组,在格拉丹东雪山开展了“第二次大学生长江源科考”工作。为详细分析该区域冰川时空特征信息,以此次科研数据为支撑,结合光学遥感影像解译、InSAR形变信息提取、激光雷达测高及高精度大... 详细信息

2022年7月中国地质大学(武汉)冰川勘测组与登山组,在格拉丹东雪山开展了“第二次大学生长江源科考”工作。为详细分析该区域冰川时空特征信息,以此次科研数据为支撑,结合光学遥感影像解译、InSAR形变信息提取、激光雷达测高及高精度大地测量,进行了多源遥感影像融合处理研究。针对格拉丹东雪山及典型冰川,采用高分卫星GF1、GF6、GF7、ZY3与Landsat7遥感影像,利用空三加密、频域影像互相关匹配、波段比值法及目视解译,提取区域DOM、冰川面积及条数分布;利用Sentinel-1A、ICESat-2影像,以SAR影像空间域互相关偏移量追踪方法为支撑,分别提取冰川表面流速及高程变化;利用青海省域北斗CORS站点,采用Gamit/Globk双差无电离层组合模型、卫星星站差分(real-time extended,简称RTX)及RTK(real-time kinematic)方法,计算所有控制点三维空间坐标及高程异常值。结果表明:格拉丹东雪山共发育冰川512条,年均增长率为3.12%,面积1111.96 km^(2),年均退缩速率为0.63%;姜根(古)迪如冰川日均最大流速为0.25 cm/d,年均最大流速为91.25 cm/a,其南支最大退缩值、堆积值及年变化速率分别为-74.63 m、38.44 m、-5.29~3.09 m/a,北支最大退缩值、堆积值和年变化速率-39.17 m、35.74 m、-3.02~2.85 m/a;所有控制点中误差及区域似大地水准面精化模型精度均达到了mm级。研究成果可以为后续在该地区开展相关冰川研究工作提供数据支撑。

关键词：光学遥感解译 SAR偏移量追踪激光雷达测高北斗CORS 格拉丹东雪山

原发性肝癌患者血清PIVKA-Ⅱ、AFP表达水平及其临床意义

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浙江创伤外科 2024年第4期29卷 622-624,628页

作者：卓晓娅陈礼好黄定蒙浙江省苍南县第三人民医院苍南325804 温州医科大学附属苍南医院

目的探讨原发性肝癌患者血清维生素K缺乏或拮抗剂-Ⅱ诱导的蛋白质(PIVKA-Ⅱ)、甲胎蛋白(AFP)水平变化及其临床意义。方法回顾性分析温州医科大学附属苍南医院2019年1月至2023年10月接诊的68例原发性肝癌患者的临床资料,作为肝癌组,并选... 详细信息

目的探讨原发性肝癌患者血清维生素K缺乏或拮抗剂-Ⅱ诱导的蛋白质(PIVKA-Ⅱ)、甲胎蛋白(AFP)水平变化及其临床意义。方法回顾性分析温州医科大学附属苍南医院2019年1月至2023年10月接诊的68例原发性肝癌患者的临床资料,作为肝癌组,并选择同期接诊的50例乙型肝炎肝硬化患者作为肝硬化组、50例慢性乙型肝炎患者作为肝炎组、50例健康人群作为对照组。比较四组血清PIVKA-Ⅱ、AFP水平,比较肝癌组不同病理特征患者血清PIVKA-Ⅱ、AFP水平。结果肝癌组血清PIVKA-Ⅱ、AFP水平均高于肝硬化组、肝炎组及对照组,有统计学意义(P0.05),肝硬化组、肝炎组血清AFP比较,无统计学意义(P>0.05);肝癌组不同TNM分期、肝功能Child分级、肿瘤直径、病灶数量、淋巴结转移、微血管侵犯患者比较,均有统计学意义(P<0.05)。结论原发性肝癌患者血清PIVKA-Ⅱ、AFP均明显升高,可反映患者病情程度,有较好的临床应用价值。

关键词：原发性肝癌维生素K缺乏或拮抗剂-Ⅱ诱导的蛋白质甲胎蛋白病理特征

Multi-dimensional characteristic construction methods of computational materials under big data environment

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ChemPhysMater 2022年第3期1卷 183-194页

作者： lihao chen Shuopu Wang chen Zou Ben Xu Ke Bi State Key Laboratory of Information Photonics and Optical Communications School of ScienceBeijing University of Posts and TelecommunicationsBeijing 100876China Graduate School China Academy of Engineering PhysicsBuilding 9Beijing 100193China

Characteristic construction is an important part of material data *** the big data environment,the de-velopment of material data science will have implications for multidimensional data analysis *** these,the machine learning method for multidimensional data models can be widely applied to material data types,including element ratios,atomic compositions,electronic arrangements,molecular structures,and energy *** high-throughput computing materials,it is recommended in material data science to judge and extract the main characteristics influencing material properties and predict novel functional materials us-ing the discovered ***,we considere the characteristic construction,learning prediction,feature extraction,and high-order analysis of computational materials as the main research purposes,and construct a composite analysis model of the material system by combining data preprocessing,data mining,data evaluation,and knowledge representation as the main steps of data *** demonstrates that a method to comprehen-sively judge the properties of materials by constructing the characteristics of materials in different dimensions is essential.

关键词： Material characterization Feature extraction High-order analysis Data mining Machine learning

某医科大学医学研究生文化自信现状的问卷调查及分析

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中国高等医学教育 2024年第3期 137-139页

作者：杨又律峰闵苏黎平张皑频陈利好周婧重庆医科大学附属第一医院麻醉科重庆400016 重庆医科大学附属第一医院研究生管理处重庆400016

文化是一个国家和民族的精神根基,文化自信的树立将直接影响中华民族的复兴。作为最高层次教育,研究生不仅需要具备科研能力,更需要文化自信,更好地建设、奉献国家。受西方医学的影响,医学研究生的文化自信更为重要。了解医学研究生文... 详细信息

文化是一个国家和民族的精神根基,文化自信的树立将直接影响中华民族的复兴。作为最高层次教育,研究生不仅需要具备科研能力,更需要文化自信,更好地建设、奉献国家。受西方医学的影响,医学研究生的文化自信更为重要。了解医学研究生文化自信现状,针对存在的问题进行分析和探讨,有助于提高医学研究生文化自信水平。

关键词：文化自信医学研究生课程思政

Rheological study of methane gas hydrates in the presence of micron-sized sand particles

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Chinese Journal of Chemical Engineering 2024年第6期70卷 149-161页

作者： Bohui Shi Shangfei Song Yuchuan chen Shunkang Fu lihao Liu Xinyao Yang Haihao Wu Guangjin chen Jing Gong National Engineering Research Center of Oil and Gas Pipeline Transportation Safety MOE Key Laboratory of Petroleum EngineeringBeijing Key Laboratory of Urban Oil and Gas Distribution TechnologyChina University of Petroleum-BeijingBeijing 102249China China's Oil and Gas Exploration and Development Company(CNODC) Beijing 100034China China National Petroleum Corporation Mozambique LDA MaputoMozambique PipeChina West East Pipeline Company Shanghai 200122China

Natural gas hydrates,intricate crystalline structures formed by water molecules and small gas molecules,have emerged as a significant and globally impactful clean energy ***,their commercial exploitation faces challenges,particularly operational disruptions caused by sand-related *** the rheological properties of hydrate slurry,especially in the presence of micron-sized sand particles,is imperative for ensuring the flow assurance of subsea hydrate *** study extensively investigates the rheological properties of sand-containing hydrate *** findings reveal that these slurries exhibit non-Newtonian fluid characteristics,including yield stress,thixotropy,and shear-thinning ***-like elastic features are observed in sand-containing hydrate slurries before yielding,transitioning to viscous behavior after *** with a minimal amount of sand,both static yield stress and yield strain experience substantial changes,correlating with the increase in sand *** research conclusively establishes the thixotropic nature of sand-hydrate slurries,where the viscosity decay rate is directly influenced by the shear *** insights aim to contribute comprehensively to the development of effective flow assurance strategies,ensuring the safe and stable operation of subsea hydrate exploitation.

关键词： Natural gas hydrate production Sand-containing hydrate slurries Yield stress Thixotropy Shear-thinning behavior

Application of Waste Biomass Pyrolysis Oil in a Direct Injection Diesel Engine： For a Small Scale Non-Grid Electrification

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Journal of Energy and Power Engineering 2015年第11期9卷 929-943页

作者： Sunbong Lee lihao chen Koji Yoshida Kunio Yoshikawa System Engineering & Applications Dept. Engineering Diesel Systems Japan Bosch Corporation Saitama 355-8603 Japan Department of Environmental Science and Technology Interdisciplinary Graduate School of Science and Engineering TokyoInstitute of Technology Kanagawa 226-8502 Japan Department of Mechanical Engineering College of Science and Technology Nihon University Tokyo 101-8308 Japan

The population which could not access to electricity was around 1.2 billion in 2010 and is distributed in many low developing countries. With the increase in the population and the economic growth in those countries, waste generation is growing rapid especially for the organic and the plastic, and the uncontrolled waste disposal is becoming more serious issues to manage it. The interest on waste to energy is growing by the above drivers. This research was carried out for aiming to the real world adaption at the minimum cost of the pyrolysis oil from waste biomass in a diesel engine, mainly for electricity generation. The proposal of the appropriate adaptable blend ratio was the major scope rather than the optimization of the engine parameters. For the sake of it, the pyrolysis oil of the waste biomass was produced from a gasification pilot plant in Japan and blended with biodiesel at minimum effort. A small single cylinder diesel engine （direct injection） was used for the experiment with regard to full load power-output, exhaust emissions and fuel consumption.

关键词： Waste biomass pyrolysis blend direct injection diesel engine exhaust emissions.

Antioxidant-enriched autologous biogel promoted diabetic wound healing by remodeling inherent posttraumatic inflammatory patterning and restoring compromised microenvironment homeostasis

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Regenerative Biomaterials 2022年第1期9卷 202-218页

作者： Yixi Yang Le Wang Yonglin Zhou Yijun He Shaozhang Lin Yuwei Zeng Yunhe Zhou Wei Li Zaopeng He Qi Zhao lihao chen Zijie Li Wenhao Wang Zhi-Yong Zhang Translational Research Centre of Regenerative Medicine and 3D Printing of Guangzhou Medical University Guangdong Province Engineering Research Center for Biomedical EngineeringState Key Laboratory of Respiratory DiseaseThe Third Affiliated Hospital of Guangzhou Medical UniversityGuangzhou 510150P.R.China Department of Orthopaedic Surgery The Third Affiliated Hospital of Guangzhou Medical UniversityGuangzhou 510150P.R.China Medical Technology and Related Equipment Laboratory The Third Affiliated Hospital of Guangzhou Medical UniversityGuangzhou 510150P.R.China Hand and Foot Surgery&Plastic Surgery Affiliated Shunde Hospital of Guangzhou Medical UniversityShunde DistrictFoshanP.R.China

Successful wound healing depends on the reconstruction of proper tissue homeostasis,particularly in the posttraumatic inflammatory tissue *** jeopardizes tissues’immune homeostasis in cutaneous wounds,causing persistent chronic inflammation and cytokine ***,we developed an autologous regeneration factor(ARF)technology to extract the cytokine composite from autologous tissue to restore immune homeostasis and promote wound ***,treatment efficacy was significantly compromised in diabetic ***,we proposed that a combination of melatonin and ARF,which is beneficial for proper immune homeostasis reconstruction,could be an effective treatment for diabetic *** research showed that the utilization of melatonin-mediated ARF biogel(AM gel)promoted diabetic wound regeneration at a more rapid healing ***-Seq analysis showed that AM gel treatment could restore more favorable immune tissue homeostasis with unique inflammatory patterning as a result of the diminished intensity of acute and chronic ***,AM gel could be a novel and promising therapeutic strategy for diabetic wounds in clinical practice through favorable immune homeostatic reconstructions in the tissue microenvironment and proper posttraumatic inflammation patterning.

关键词： autologous regeneration factors wound healing homeostasis tissue microenvironment inflammation patterning