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基于工业数据的加氢裂化反应热估算及应用

当代石油石化 2024年第8期32卷 35-38,52页

作者：丁健飞中国石油化工股份有限公司镇海炼化分公司浙江宁波315207

提出一种利用工业数据快速估算加氢裂化反应热的方法。通过反应器各床层的入口温度、出口温度、冷氢流量等数据,计算每个床层的反应热,进而得到加氢精制反应热和加氢裂化反应热。计算了3种不同原料的加氢裂化装置反应热,并利用计算结果... 详细信息

提出一种利用工业数据快速估算加氢裂化反应热的方法。通过反应器各床层的入口温度、出口温度、冷氢流量等数据,计算每个床层的反应热,进而得到加氢精制反应热和加氢裂化反应热。计算了3种不同原料的加氢裂化装置反应热,并利用计算结果成功预测了混合油加氢裂化装置掺入催化柴油后的加氢精制反应温升。结果显示,当催化柴油掺炼量为33t/h时,预测温升64.3℃,实际温升64.8℃,能满足工程应用的要求。

关键词：加氢裂化反应热工业数据反应温升预测

Mission evaluation: expert evaluation system for large-scale combat tasks of the weapon system of systems

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Science China(Information Sciences) 2018年第1期61卷 150-168页

作者： jianfei ding Guangya SI Jun MA Yanzheng WANG Zhe WANG Department of Information Operation and Command Training National Defence University of PLA Graduate School National Defence University of PLA Department of Physiology Hebei Medical University

Mission evaluation is a new requirement for capability evaluation of the weapon system of systems(WSOS) in the era of big data, and is based on evaluating large-scale tasks with similar attributes. The use of traditional methods by military experts to evaluate large scale tasks incurs significant time cost and results in low accuracy, and is caused by a variety of factors that cause confusion. Therefore, we developed a system to assist military personnel in improving the efficiency of mission evaluation; the main innovations of our work include the qualitative and quantitative visualization of complex information is realized in a three-pane interface. We also realize the iterative and interactive evaluation modes of large-scale tasks by using the active learning method; moreover, the overall display of large-scale task evaluation results is realized using statistical graphics. In practical application, the system not only improves the users’ efficiency and accuracy scores, but also helps to achieve the recognition evaluation for the overall scoring results.

关键词： mission evaluation large-scale tasks weapon system of systems(WSOS) visual interactive active learning

Construction of composite indicator system based on simulation data mining

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Journal of Systems Engineering and Electronics 2017年第1期28卷 81-87页

作者： jianfei ding Guangya Si Baoqiang Li Jingyu Yang Yu Zhang Department of Information Operation&Command Training National Defense University of PLABeijing 100091China Graduate School of National Defense University of PLA Beijing 100091China

The indicator system is the foundation and emphasis in the effectiveness evaluation of system of systems(SoS). In the past, indicator systems were founded based on qualitative methods, and every indicator was mainly determined by the expert with experience. This paper proposed a brand-new method to construct indicator systems based on the repeated simulation of the scenario space, and calculated by quantitative data. Firstly, the selection of key indicators using the Gini indicator importance measure(IIM)is calculated by random forests(RFs). Then, principal component analysis(PCA) is applied when we use the selected indicators to construct the composite indicator system of SoS. Furthermore,a set of rulesare is developed to verify the practicability of the indicator system such as correlation, robustness, accuracy and convergence. Experiment shows that the algorithm achieves good results for the construction of composite indicators of So S.

关键词： system of systems(SoS) indicator system random forests(RFs) principal component analysis(PCA)

Visualization analysis of the capability of weapon system of systems for multi-dimensional indicators

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Journal of Systems Engineering and Electronics 2017年第2期28卷 292-300页

作者： jianfei ding Guangya Si Guoqiang Yang Yang Liu Xiao Liu Department of Information Operation & Command Training National Defense University of PLA Beijing 100091 China Graduate School National Defense University of PLA Beijing 100091 China

In the field of weapon system of systems (WSOS) simulation, various indicators are widely used to describe the capability of WSOS, but it is always difficult to describe the comprehensive capability of WSOS quickly and intuitively by visualization of multi-dimensional indicators. A method of machine learning and visualization is proposed, which can display and analyze the capabilities of different WSOS in a two-dimensional plane. The analysis and comparison of the comprehensive capability of different components of WSOS is realized by the method, which consists of six parts: multiple simulations, key indicators mining, three spatial distance calculation, fusion project calculation, calculation of individual capability density, and calculation of multiple capability ranges overlay. Binding a simulation experiment, the collaborative analysis of six indicators and 100 possible kinds of red WSOS are achieved. The experimental results show that this method can effectively improve the quality and speed of capabilities analysis, reveal a large number of potential information, and provide a visual support for the qualitative and quantitative analysis model.

关键词： weapon system of systems (WSOS) comprehensive capability visualization of multi-dimensional indicators machine learning

Imidazolium group prompted alkaline anion-exchange membrane with high performance for efficient electrochemical CO_(2) conversion

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Green Energy & Environment 2023年第3期8卷 893-903页

作者： Min Wang Qianqian Zou Xueqi Dong Nengneng Xu Rong Shao jianfei ding Yidong Zhang Jinli Qiao School of Chemistry and Chemical Engineering Yancheng Institute of TechnologyYancheng224051China Shanghai Institute of Pollution Control and Ecological Security Shanghai 200092College of Environmental Science and EngineeringDonghua University2999 Ren'min North RoadShanghai201620China Shanghai Institute of Pollution Control and Ecological Security Shanghai200092China

Development of high-performance hydroxide-conductive membranes is a focus research subject owing to promising applications in electrochemical reduction of CO_(2)(eCO_(2)RR).However,few satisfactory membranes have been developed to maximize the performance of CO_(2) electrolyzers,despite its role as the core in regulating ion transport and preventing product crossover or fuel ***,we report the synthesis of alkaline anion-exchange membranes fabricated by poly(vinyl-alcohol)(PVA)and poly[(3-methyl-1-vinylimidazoliummethylsulfate)-co-(1-vinylpyrrolidone)](PQ44)for use in CO_(2) *** to the unique imidazolium ring structure coupled with a three-dimensional semiinterpenetrating porous internal architecture,the PVA/PQ44-OH-membranes provide a high hydroxide conductivity(21.47 mS cm^(-1)),preferable mechanical property and thermal *** particular,the eCO_(2)RR used PVA/PQ44-OH^(-) as electrolyte membrane realized a charming Faradaic efficiency(88%)and partial current density(29 mA cm^(-2))at0.96 VRHE and,delivered the excellent durability over 20 h electrolysis in 0.5 mol L^(-1) KHCO_(3) ***,it can even enable an ultrahigh current density beyond 100 mA cm^(-2) at^(-1).11 VRHE when the electrolyte was KOH instead,and produced the FEHCOOof 85%at a low potential of0.81 VRHE,superior to both commercial alkaline A201 and acidic Nafion117 membrane.

关键词： Alkaline anion-exchange membrane Imidazolium ring structure Semi-interpenetrating network CO_(2)electroreduction Formate production

Numerical analysis of geosynthetic-reinforced embankment performance under moving loads

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Journal of Rock Mechanics and Geotechnical Engineering 2024年第2期16卷 682-696页

作者： Xuanming ding Jinqiao Zhao Qiang Ou jianfei Liu College of Civil Engineering Chongqing UniversityChongqing400045China Key Laboratory of New Technology for Construction of Cities in Mountain Area Chongqing UniversityChongqing400045China China United Engineering Corporation Limited Hangzhou310052China

The performance of geosynthetic-reinforced embankments under traffic moving loads is always a hotspot in the geotechnical engineering field.A three-dimensional(3D)model of a geosynthetic-reinforced embankment without drainage consolidation was established using the finite element software *** this model,the traffic loads were simulated by two moving loads of rectangular pattern,and their amplitude,range,and moving speed were realized by a Fortran *** embankment fill was simulated by an equivalent linear viscoelastic model,which can reflect its *** geogrid was simulated by the truss element,and the geocell was simulated by the membrane *** elements were utilized to weaken the boundary effect caused by the model geometry at the *** of the established numerical model was conducted by comparing the predicted deformations in the cross-section of the geosynthetic-reinforced embankment with those from the existing *** this basis,the dynamic stress and strain distribution in the pavement structure layer of the geosynthetic-reinforced embankment under a moving load was also ***,a parametric study was conducted to examine the influences of the different types of reinforcement,overload,and the moving load velocity on the geosynthetic-reinforced embankment.

关键词： Geosynthetic-reinforced layer Numerical model Moving load Embankment Deformation Stress

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EPC模式下建设项目工程造价风险防范对策

港工技术与管理 2024年第2期 49-52页

作者：丁建飞中交第三航务工程局有限公司南京分公司江苏南京210011

在建筑工程EPC项目造价管理中,需加强合同条款研究,分析合同造价影响因素,强化风险防范,提升管理效能。本文基于YC市FN某产业园二期EPC工程商务管理实践,评估分析EPC模式下建设项目工程造价管理风险,提出有针对性的风险防范对策,从而实... 详细信息

在建筑工程EPC项目造价管理中,需加强合同条款研究,分析合同造价影响因素,强化风险防范,提升管理效能。本文基于YC市FN某产业园二期EPC工程商务管理实践,评估分析EPC模式下建设项目工程造价管理风险,提出有针对性的风险防范对策,从而实现价值创造。

关键词：建设项目工程造价 EPC模式风险防范

Acidic/hypoxia dual-alleviated nanoregulators for enhanced treatment of tumor chemo-immunotherapy

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Asian Journal of Pharmaceutical Sciences 2024年第2期19卷 136-152页

作者： Xiaoju Guo Xiaoxiao Chen Jiayi ding Feng Zhang Shunyang Chen Xin Hu Shiji Fang Lin Shen Chenying Lu Zhongwei Zhao jianfei Tu Gaofeng Shu Minjiang Chen Jiansong Ji Lishui Central Hospital Shaoxing UniversityShaoxing 312000China Zhejiang Key Laboratory of Imaging and Interventional Medicine Imaging Diagnosis and Interventional Minimally Invasive InstituteThe Fifth Affiliated Hospital of Wenzhou Medical UniversityLishui 323000China Clinical College of The Affiliated Central Hospital School of MedicineLishui UniversityLishui 323000China Key Laboratory of Precision Medicine of Lishui Lishui 323000China

Chemotherapy plays a crucial role in triple-negative breast cancer (TNBC) treatment as it not only directly kills cancer cells but also induces immunogenic cell death. However, the chemotherapeutic efficacy was strongly restricted by the acidic and hypoxic tumor environment. Herein, we have successfully formulated PLGA-based nanoparticles concurrently loaded with doxorubicin (DOX), hemoglobin (Hb) and CaCO3 by a CaCO3-assisted emulsion method, aiming at the effective treatment of TNBC. We found that the obtained nanomedicine (DHCaNPs) exhibited effective drug encapsulation and pH-responsive drug release behavior. Moreover, DHCaNPs demonstrated robust capabilities in neutralizing protons and oxygen transport. Consequently, DHCaNPs could not only serve as oxygen nanoshuttles to attenuate tumor hypoxia but also neutralize the acidic tumor microenvironment (TME) by depleting lactic acid, thereby effectively overcoming the resistance to chemotherapy. Furthermore, DHCaNPs demonstrated a notable ability to enhance antitumor immune responses by increasing the frequency of tumor-infiltrating effector lymphocytes and reducing the frequency of various immune-suppressive cells, therefore exhibiting a superior efficacy in suppressing tumor growth and metastasis when combined with anti-PD-L1 (αPD-L1) immunotherapy. In summary, this study highlights that DHCaNPs could effectively attenuate the acidic and hypoxic TME, offering a promising strategy to figure out an enhanced chemo-immunotherapy to benefit TNBC patients.

关键词： CaCO3-based nanoparticles Hypoxia attenuation Acidity neutralization Reversal of chemotherapy resistance Enhanced chemo-immunotherapy

Cu-Cr催化N,N-二甲基十二烷基酰胺加氢

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石油化工 2006年第6期35卷 557-560页

作者：丁建飞李秋小李永胜中国日用化学工业研究院山西太原030001

研究了N,N-二甲基十二烷基酰胺的催化加氢反应,通过将Cu-C r催化剂与传统的加氢催化剂(如Cu-N i,Pd/C,Raney N i)进行对比,对加氢催化剂进行了筛选,实验结果表明,Cu-C r催化剂在N,N-二甲基十二烷基酰胺的催化加氢反应中具有较高的活性,... 详细信息

研究了N,N-二甲基十二烷基酰胺的催化加氢反应,通过将Cu-C r催化剂与传统的加氢催化剂(如Cu-N i,Pd/C,Raney N i)进行对比,对加氢催化剂进行了筛选,实验结果表明,Cu-C r催化剂在N,N-二甲基十二烷基酰胺的催化加氢反应中具有较高的活性,当n(Cu)∶n(C r)=1∶1、还原温度200℃时,Cu-C r催化剂的活性最高。考察了反应温度、反应压力以及通入二甲胺气体对反应的影响,实验结果表明,二甲胺气体的通入有利于抑制副反应的进行;在反应温度230℃、反应压力3.0M Pa、反应后期通入二甲胺气体的条件下,N,N-二甲基十二烷基酰胺的转化率达99.5%,产物中N,N-二甲基十二烷基叔胺的质量分数达到85.3%,N,N-双十二烷基甲基叔胺的质量分数达到9.5%。

关键词： N,N-二甲胺十二烷基酰胺 N,N-二甲基十二烷基叔胺 N,N-双十二烷基甲基叔胺加氢铜铬催化剂