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制造业数字化转型与绿色技术创新的关系研究

工业技术经济 2025年第1期44卷 115-121页

作者：成新轩丰义李明峰河北大学经济学院保定071002 河北经贸大学工商管理学院石家庄050000

为深入探究数字化转型与制造业绿色技术创新之间的关系,本文以2013~2023年全国制造业为研究对象,开展制造业数字化转型与绿色技术创新的关系实证研究。以制造业绿色技术创新效率为因变量,以制造业数字化转型水平为自变量,以行业规模、... 详细信息

为深入探究数字化转型与制造业绿色技术创新之间的关系,本文以2013~2023年全国制造业为研究对象,开展制造业数字化转型与绿色技术创新的关系实证研究。以制造业绿色技术创新效率为因变量,以制造业数字化转型水平为自变量,以行业规模、资本强度、融资能力、外资投入比、技术成熟度为控制变量,通过回归分析、稳健性、异质性检验等,验证因变量与自变量之间的关系。结果表明:数字化转型显著促进了制造业绿色技术创新,且行业规模越大和资本强度越强的制造业,其绿色技术创新效率越高;数字化转型对出口依赖度、发展阶段、数字化来源、行业要素不同的制造业促进效果不同,对出口依赖度高、发展阶段靠前、国际数字化来源和高技术创新的制造业绿色技术创新促进作用更强;数字化转型可通过减少外部交易成本和提高市场竞争的方式,促进制造业绿色技术的创新。为提高制造业绿色技术创新,本文提出包含加强行业市场竞争力和加强政府监管等策略,以期能够更好地发挥数字化转型对制造业绿色技术创新的促进作用。

关键词：数字化制造业技术创新效率稳健性异质性行业市场竞争力政府监管

Primary thymic mucosa-associated lymphoid tissue lymphoma with multiple thin walled lung cysts: case report and literature review

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Chinese Journal of Cancer Research 2013年第3期25卷 354-357页

作者： Lung-Yun Kang Szu-Pei Ho yi-pin Chou Department of Emergency Medicine Kaohsiung Veterans General Hospital Department of Pathology Kaohsiung Veterans General Hospital

Mucosa-associated lymphoid tissue （MALT） lymphoma of the thymus is rare. We reported a case of a 37-year-old Chinese female with Sjtgren＇s syndrome and hyperglobulinemia. She suffered from chronic cough for 3 weeks. Chest computed tomography （CT） demonstrated a multiloculated cystic mass in mediastinum prevascular space and multiple lung cysts. Laboratory exam of autoimmune markers showed positive of antinuclear antibody （ANA）, Sjtgren＇s syndrome A （SSA）, Sjtgren＇s syndrome B （SSB）, and rheumatoid factors （RF）. Thymectomy with lymph node dissection was performed. The pathology report revealed thymic extranodal marginal zone B-cell lymphoma of mucosa-associated lymphoid tissue. Under immunohistochemical stains, CD20 and Bcl-2 were positive. No evidence of recurrence of disease was found.

关键词： Mucosa-associated lymphoid tissue (MALT) lymphoma thymus Sj6gren's syndrome hyperglobulinemia

Direct writing of silver microfiber with precise control on patterning for robust and flexible ultrahigh-performance transparent conductor

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Journal of Materials Science & Technology 2020年第12期47卷 103-112页

作者： Tao Chen Heping li Jing li Sanyuan Hu pin Ye Youwei Yan State Key Laboratory of Materials Processing and Die&Mould Technology School of Materials Science and EngineeringHuazhong University of Science and TechnologyWuhan 430074China

Ultrafine silver fiber is an alternative to commercial indium tin oxide(ITO) as a new-generation flexible transparent conductor that can be used in flexible ***,its primary limitation is the unrepeatable optoelectronic properties due to the disordered distribution of silver *** this work,we report the in-situ direct writing of the silver microfiber pattern with high conductivity and transparency to attain a flexible transparent *** silver network is composed of silver microfibers,which can be artificially designed and regularly patterned under the precise control of the fiber position and shape;this is crucial for regulating its optoelectronic ***,a high-performance conductor is achieved in the silver network with high *** novel conductor has a sheet resistance of 2 Ω sq-1at 90% transparency,which corre sponds to a high Figure of merit σdc/σopt=*** in-situ direct writing technique developed here is distinct from other fabrication methods because it requires no transfer steps,templates or ***,this silver network is integrated into a light-printable rewritable device,and can be used as a wearable heater;this heater when driven by a 1.5 V battery attains a temperature of up to 55.6℃.Therefore,in-situ direct writing is expected to offer a new platform for facile,scalable,and ultralow-cost production of high-performance metal networks for flexible transparent conductors.

关键词： Silver Transparent conductor Direct writing Patterning Transparent heater

敦煌三危山出产多色颜料的矿物学及谱学特征研究

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光谱学与光谱分析 2025年第1期45卷 152-159页

作者：李林筱谭宇辰先怡衡铁付德孙满利艾昊梁云孙凤西北大学文化遗产学院陕西西安710127 中国国家博物馆北京100006

敦煌三危山火焰沟发现一处古代多色颜料开采遗址,该遗址的发现对研究我国西北地区古代矿物颜料的来源有着一定的学术意义。为判断三危山出产颜料的矿物种属及其谱学特征,本文应用偏光显微镜、X射线衍射、激光拉曼光谱、X射线荧光光谱多... 详细信息

敦煌三危山火焰沟发现一处古代多色颜料开采遗址,该遗址的发现对研究我国西北地区古代矿物颜料的来源有着一定的学术意义。为判断三危山出产颜料的矿物种属及其谱学特征,本文应用偏光显微镜、X射线衍射、激光拉曼光谱、X射线荧光光谱多种光谱分析手段对所出产多色颜料矿物开展科学分析。结果表明,三危山古矿出产矿物颜料属天然矿物,主要化学成分为Fe_(2)O_(3)(平均含量66%)和SiO_(2)等,部分样品呈现富硅铝的特征,且均存在不同程度的烧失;主要物相以赤铁矿、针铁矿为主,少许铁矾类,脉石矿物包括石英、高岭石及少许黏土矿物。同时进一步通过拉曼光谱对矿物颜料的显色物相进行分析,2号亮黄色矿物显色物相和前述主要物相一致,均为铁矾类(黄钾铁矾和黄钠铁矾)。除4号样品外,所有呈红棕色的样品主要显色物相均为α-Fe_(2)O_(3)即赤铁矿,而4号样品显色物相为针铁矿,呈色本应为黄色,但致其呈色变为红棕色是由于和赤铁矿伴生存在,且赤铁矿显色能力远强于针铁矿,故改变了4号样品的呈色。综上,该古矿遗址所出产的红色矿物颜料主要为赤铁矿,黄色矿物颜料为黄钾铁矾和黄钠铁矾。黄钾铁矾作为优良的颜料,在岩画及壁画也多有使用,但在莫高窟目前已研究的壁画上暂未发现使用,三危山古矿实证了铁矾类颜料矿物的存在,该发现在一定程度上拓宽了对西北地区黄色矿物颜料的维度。同时也为后续研究该矿冶遗址出产颜料的流向,提供了基础性的数据支撑。

关键词：敦煌采矿遗址矿物颜料呈色拉曼光谱

酒石酸泰万菌素纳米乳在肉鸡体内药代动力学研究

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动物医学进展 2025年第1期46卷 87-90页

作者：杨一妍刘畅冯莉李新国王宏军赵阳阳孙晶鸣鲍品桦锦州医科大学畜牧兽医学院辽宁锦州121001 锦州市检验检测认证中心辽宁锦州121000 灯塔市动物疫病预防控制中心辽宁灯塔111300 中牧实业股份有限公司北京100070

为了提高酒石酸泰万菌素(TAT)的生物利用度,制备了酒石酸泰万菌素纳米乳(TAT-NE)并进行其药代动力学研究。50日龄白羽肉鸡12只,设TAT可溶性粉(TAT-SP)和TAT-NE组,给2组每只鸡均单次灌服含TAT 20 mg/kg,于不同时间点翅下静脉采血,血浆经... 详细信息

为了提高酒石酸泰万菌素(TAT)的生物利用度,制备了酒石酸泰万菌素纳米乳(TAT-NE)并进行其药代动力学研究。50日龄白羽肉鸡12只,设TAT可溶性粉(TAT-SP)和TAT-NE组,给2组每只鸡均单次灌服含TAT 20 mg/kg,于不同时间点翅下静脉采血,血浆经乙腈脱蛋白,HPLC检测血药浓度,DAS2.0版软件分析药代动力学参数。结果显示,鸡单次口服TAT-NE的AUC(0-t)为(672.329±3.634)(mg·h)/L显著高于TAT-SP(P<0.01),达峰时间T max分别为0.25 h、8 h,峰浓度C max分别为(125.601±2.056)mg/L、(48.398±4.387)mg/L,TAT-NE相对生物利用度为279.48%。由此表明,TAT-NE能够显著提高TAT的生物利用度。

关键词：酒石酸泰万菌素纳米乳肉鸡生物利用度药代动力学

Influence of silicon cluster on epitaxial growth of silicon carbide

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Science China(Physics,Mechanics & Astronomy) 2011年第9期54卷 1579-1582页

作者： li ZheYang li Yun CHEN Chen HAN pin Jiangsu Provincial Key Lab of Advance Photonic and Electronic Materials Department of Physics Nanjing University Nanjing 210093 China National Key Laboratory of Monolithic Integrated Circuits and Modules the 55th Research Institute of CETC Nanjing 210016 China

Precursor concentration dependences of growth rate, doping concentration and surface morphology have been investigated in the epitaxial growth of 4H-SiC（0001） epilayers with horizontal hot-wall CVD system using various precursor concentrations under constant C/Si ratio. Form the experimental data it is found that silicon cluster which is formed through gas phase nucleation plays an important role in controlling the doping concentration and epitaxial growth rate of the silicon carbide. It was observed that the concentration of silicon clusters cannot reach the equilibrium value in the process by using a low Sill4 concentration, and this phenomenon has not been reported by others.

关键词： 4H-SiC horizontal hot-wall CVD C/Si ratio growth rate doping concentration silicon cluster

Partial least square modeling of hydrolysis: analyzing the impacts of pH and acetate

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Journal of Environmental Sciences 2006年第4期18卷 805-809页

作者： Lü Fan HE pin-jing SHAO li-ming State Key Laboratory of Pollution Control and Resources Reuse Tongji University Shanghai 200092 China

pH and volatile fatty acids both might affect the further hydrolysis of particulate solid waste, which is the limiting-step of anaerobic digestion. To clarify the individual effects of pH and volatile fatty acids, batch experiments were conducted at fixed pH value （pH 5-9） with or without acetate （20 g/L）. The hydrolysis efficiencies of carbohydrate and protein were evaluated by carbon and nitrogen content of solids, amylase activity and proteinase activity. The trend of carbohydrate hydrolysis with pH was not affected by the addition of acetate, following the sequence ofpH 7〉pH 8〉pH 9〉pH 6〉pH 5; but the inhibition of acetate （20 g/L） was obvious by 10%-60 %. The evolution of residual nitrogen showed that the effect of pH on protein hydrolysis was minor, while the acetate was seriously inhibitory especially at alkali condition by 45%-100 %. The relationship between the factors （pH and acetate） and the response variables was evaluated by partial least square modeling （PLS）. The PLS analysis demonstrated that the hydrolysis of carbohydrate was both affected by pH and acetate, with pH the more important factor. Therefore, the inhibition by acetate on carbohydrate hydrolysis was mainly due to the corresponding decline of pH, but the presence of acetate species, while the acetate species was the absolutely important factor for the hydrolysis of protein.

关键词： inhibition hydrolysis pH volatile fattyacids partial least square

Phase-Sensitive Optical Time-Domain Reflectometry Amplified by Gated Raman Pump

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Photonic Sensors 2015年第4期5卷 345-350页

作者： yi li yi ZHOU li ZHANG Mengqiu FAN Jin li Key Laboratory of Optical Fiber Sensing & Communications (Ministry of Education) University of Electronic Scienceand Technology of China Chengdu 611731 China

A long-range phase-sensitive optical time-domain reflectometry is proposed and experimentally demonstrated, based on the gated Raman amplification （RA）. This technique can reduce the amplified spontaneous emissions （ASE） noise of the Raman pump while extend the sensing distance. A direct-detection based phase-sensitive optical time-domain reflectometry （O-OTDR） with an operation range of 50 km and a spatial resolution of 20 m has been demonstrated. The influence of different delay time of the gated Raman pump on the O-OTDR system is also discussed.

关键词： Fiber optic sensors Rayleigh scattering stimulated Raman scattering

A method of generating random bits by using electronic bipolar memristor

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Chinese Physics B 2020年第4期29卷 535-540页

作者： Bin-Bin Yang Nuo Xu Er-Rui Zhou Zhi-Wei li Cheng li pin-Yun yi liang Fang Institute for Quantum Information&State Key Laboratory of High Performance Computing College of ComputerNational University of Defense TechnologyChangsha 410073China College of Computer National University of Defense TechnologyChangsha 410073China College of Electronic Science and Engineering National University of Defense TechnologyChangsha 410073China

The intrinsic stochasticity of resistance switching process is one of the holdblocks for using memristor as a fundamental element in the next-generation nonvolatile ***,such a weakness can be used as an asset for generating the random bits,which is valuable in a hardware security *** this work,a forming-free electronic bipolar Pt/Ti/Ta2O5/Pt memristor is successfully fabricated to investigate the merits of generating random bits in such a *** resistance switching mechanism of the fabricated device is ascribed to the electric field conducted electrons trapping/de-trapping in the deep-energy-level traps produced by the"oxygen grabbing"*** stochasticity of the electrons trapping/detrapping governs the random distribution of the set/reset switching voltages of the device,making a single memristor act as a random bit in which the resistance of the device represents information and the applied voltage pulse serves as the triggering *** physical implementation of such a random process provides a method of generating the random bits based on memristors in hardware security applications.

关键词： memristor resistance switching electrons trapping/de-trapping random bits