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Thermal-flow-electric coupling performance analysis of a liquid-immersed battery thermal management system

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Science China Technological Sciences 2025年第1期 157-176页

作者： Qiang gao Jun TIAN Chujin BAO Yangfan zhong Chengbin ZHANG Yongping CHEN School of Energy and Environment Southeast University Battery Testing Center China North Vehicle Research Institute Zhejiang Immertech Co. Ltd. Alibaba Cloud Computing Co. Ltd.

Ensuring the safety and performance of lithium-ion batteries(LIBs) is a significant challenge for electric *** tackle this issue, an innovative liquid-immersed battery thermal management system(LIBTMS) using bionic baffles with fish-like perforations is developed. The thermal-flow-electric coupling characteristics of LIBTMSs with different baffle structures(no baffle, conventional baffle, baffle with circular perforations and baffle with fish-like perforations) are systematically investigated using experimental and numerical methods. The results indicate that the forced flow scheme exhibits better thermal management performance and voltage equalization than static flow. Moreover, the LIB temperatures and voltage deviations of different LIBTMSs increase quickly with increasing discharge rates. More importantly, the innovative LIBTMS exhibits the best thermoelectric performance due to its excellent thermoelectric equilibrium behavior caused by high electrical and temperature consistency, as well as the best overall performance involving the balance between the pressure loss and heat transfer capacity of the system. Compared with other structures, the innovative LIBTMS using baffles with fish-like perforations exhibits a maximum reduction of 10.1%, 15.2%, 25.8% and 9.0% in LIB maximum temperature, maximum temperature difference, system pressure drop and voltage deviation, respectively, under the same operating ***, for the LIBTMS using baffles with fish-like perforations, the bottom inlet and top outlet configuration and coolant precooling are suggested to enhance cooling performance.

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食叶草蛋白的提取工艺及其性质研究

食品与发酵工业 2025年第1期51卷 189-198页

作者：高思聪黄文选黄志超缪铭江南大学食品学院江苏无锡214122 秦皇岛森源投资集团有限公司河北秦皇岛066199

食叶草是一种潜在的优质植物蛋白质来源,该研究旨在优化食叶草蛋白的提取工艺,实现食叶草的高值化利用。本研究采用乙醇预处理结合碱溶酸沉法提取食叶草蛋白,并采用响应面试验对提取工艺进行优化。优化后的最佳工艺条件为:碱溶温度81.12... 详细信息

食叶草是一种潜在的优质植物蛋白质来源,该研究旨在优化食叶草蛋白的提取工艺,实现食叶草的高值化利用。本研究采用乙醇预处理结合碱溶酸沉法提取食叶草蛋白,并采用响应面试验对提取工艺进行优化。优化后的最佳工艺条件为:碱溶温度81.12℃,加碱量10.57 g/L,料液比1∶34.04(g∶mL),pH 3.5。在此条件下,食叶草蛋白得率为(63.26±1.01)%,纯度为(81.63±2.35)%。对食叶草蛋白结构特征进行分析,圆二色谱结果显示食叶草蛋白的α-螺旋和无规卷曲含量较高,分别为36.1%和52.5%,这可能表明其表面疏水性较高;荧光光谱显示食叶草蛋白在345 nm出现最大荧光吸收峰,表明其色氨酸残基微环境非极性较强;扫描电镜结果显示食叶草蛋白较为聚集,呈堆积状。通过考察食叶草蛋白的功能性质,发现其在碱性条件下具有良好的溶解性和乳化性,但起泡性较差。该研究将为食叶草蛋白在后续食品工业生产中的应用提供数据支撑。

关键词：食叶草叶蛋白提取工艺结构特征功能性质

Clastic compaction unit classification based on clay content and integrated compaction recovery using well and seismic data

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Petroleum Science 2016年第4期13卷 685-697页

作者： zhong Hong ming-Jun Su Hua-Qing Liu Gai gao Petro China Research Institute of Petroleum Exploration and Development(RIPED)-Northwest Lanzhou 730020GansuChina Research Institute of Exploration and Development Petro China Changqing Oilfield CompanyXi'an 710018ShaanxiChina

Compaction correction is a key part of paleogeomorphic recovery methods. Yet, the influence of lithology on the porosity evolution is not usually taken into account. Present methods merely classify the lithologies as sandstone and mudstone to undertake separate porositydepth compaction modeling. However, using just two lithologies is an oversimplification that cannot represent the compaction history. In such schemes, the precision of the compaction recovery is inadequate. To improve the precision of compaction recovery, a depth compaction model has been proposed that involves both porosity and clay content. A clastic lithological compaction unit classification method, based on clay content, has been designed to identify lithological boundaries and establish sets of compaction units. Also, on the basis of the clastic compaction unit classification, two methods of compaction recovery that integrate well and seismic data are employed to extrapolate well-based compaction information outward along seismic lines and recover the paleo-topography of the clastic strata in the region. The examples presented here show that a better understanding of paleo-geomorphology can be gained by applying the proposed compaction recovery technology.

关键词： Compaction recovery Porosity-clay contentdepth compaction model Classification of lithological compaction unit Well and seismic data integrated compaction recovery technology

A novel complex network-based deep learning method for characterizing gas-liquid two-phase flow

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Petroleum Science 2021年第1期18卷 259-268页

作者： zhong-Ke gao ming-Xu Liu Wei-Dong Dang Qing Cai School of Electrical and Information Engineering Tianjin UniversityTianjin 300072TianjinChina

Gas-liquid two-phase flow widely exits in production and transportation of petroleum *** gas-liquid flow and measuring flow parameters represent challenges of great importance,which contribute to the recognition of flow regime and the optimal design of industrial *** this paper,we propose a novel complex network-based deep learning method for characterizing gas-liquid ***,we map the multichannel measurements to multiple limited penetrable visibility graphs(LPVGs)and obtain their degree sequences as the graph *** on the degree distribution,we analyze the complicated flow behavior under different flow ***,we design a dual-input convolutional neural network to fuse the raw signals and the graph representation of LPVGs for the classification of flow structures and measurement of gas void *** implement the model with two parallel branches with the same structure,each corresponding to one *** branch consists of a channel-projection convolutional part,a spatial-temporal convolutional part,a dense block and an attention *** outputs of the two branches are concatenated and fed into several full connected layers for the classification and *** last,our method achieves an accuracy of 95.3%for the classification of flow structures,and a mean squared error of 0.0038 and a mean absolute percent error of 6.3%for the measurement of gas void *** method provides a promising solution for characterizing gas-liquid flow and measuring flow parameters.

关键词： Gas-liquid flow Gas void fraction Flow structure Limited penetrable visibility graph Deep learning

Potential targeted therapy and diagnosis based on novel insight into growth factors,receptors,and downstream effectors in acute kidney injury and acute kidney injury-chronic kidney disease progression

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Signal Transduction and Targeted Therapy 2020年第1期5卷 2373-2383页

作者： Li gao Xiang zhong Juan Jin Jun Li Xiao-ming Meng The Key Laboratory of Major Autoimmune Diseases Anhui Institute of Innovative DrugsSchool of PharmacyAnhui Medical University230032 HefeiChina Department of Nephrology Sichuan Academy of Medical Sciences&Sichuan Provincial People’s HospitalSchool of MedicineUniversity of Electronic Science and Technology of China610072 ChengduSichuanChina Department of Pharmacology Key Laboratory of Anti-inflammatory and ImmunopharmacologyMinistry of EducationAnhui Medical University230032 HefeiChina

Acute kidney injury(AKI)is defined as a rapid decline in renal function and is characterized by excessive renal inflammation and programmed death of resident *** shows high morbidity and mortality,and severe or repeated AKI can transition to chronic kidney disease(CKD)or even end-stage renal disease(ESRD);however,very few effective and specific therapies are available,except for supportive *** factors,such as epidermal growth factor(EGF),insulin-like growth factor(IGF),and transforming growth factor-β(TGF-β),are significantly altered in AKI models and have been suggested to play critical roles in the repair process of AKI because of their roles in cell regeneration and renal *** recent years,a series of studies have shown evidence that growth factors,receptors,and downstream effectors may be highly involved in the mechanism of AKI and may function in the early stage of AKI in response to stimuli by regulating inflammation and programmed cell ***,certain growth factors or correlated proteins act as biomarkers for AKI due to their sensitivity and ***,growth factors originating from mesenchymal stem cells(MSCs)via paracrine signaling or extracellular vesicles recruit leukocytes or repair intrinsic cells and may participate in AKI repair or the AKI-CKD *** addition,growth factor-modified MSCs show superior therapeutic potential compared to that of unmodified *** this review,we summarized the current therapeutic and diagnostic strategies targeting growth factors to treat AKI in clinical *** also evaluated the possibilities of other growth factorcorrelated molecules as therapeutic targets in the treatment of AKI and the AKI-CKD transition.

关键词： kidney diagnosis inflammation

Effects of Magnesium and Ferric Ions on Crystallization of Calcium Sulfate Dihydrate Under the Simulated Conditions of Wet Flue-gas Desulfurization

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Chemical Research in Chinese Universities 2008年第6期24卷 688-693页

作者： gao Xiang HUO Wang zhong Yi LUO zhong-yang CEN Ke-fa NI ming-jiang CHEN Le-ming State Key Laboratory of Clean Energy Utilization Institute of Thermal Energy and Power Engineering Zhejiang University Hangzhou 310027 P. R. China

The influences of magnesium and ferric ions in their different ratios on the rate of gypsum crystallization were studied under the conditions similar to those of wet flue-gas desulfurization（WFGD）. The results show that addition of both Mg^2＋ and Fe^3＋ increased induction time and decreased the growth efficiency up to 50% compared with the baseline（without impurities） depending on the concentration and the type of impurity. The effects of Mg^2＋ and Fe^3＋ on the surface energy and the rate of nucleation were estimated by employing the classical nucleation theory. The surface energy decreased by 8% and 14% with the addition of 0.02 mol/L magnesium or ferric ions, respectively, compared to the baseline. Mg^2＋ and Fe^3＋ made the growth rate of the （020）, （021） and （040） faces of gypsum crystal a much greater reduction, which leads to the formation of needle crystals compared to the baseline which favors the formation of plate or flakes. Furthermore, an edge detection program was developed to quantify the effects of impurities on the filtration rate of gypsum product. The results show that the inhibition efficiency of the presence of 0.02 mol/L Mg^2＋ and Fe^3＋ on the filtration rate of gypsum crystal ranges from 22% to 39%.

关键词： Calcium sulfate dihydrate Morphology Wet flue-gas desulfurization Filtration rate

C_(Ar)-Br bond cleavage via cooperative EnT/NHC catalysis: mild access to indolines

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Science China Chemistry 2024年第3期67卷 922-927页

作者： Yi-Xiong Dong Cao-Bo Li ming-Lei Jin zhong-Hua gao Song Ye Beijing National Laboratory for Molecular Sciences CAS Key Laboratory of Molecular Recognition and FunctionCAS Research/Education Center for Excellence in Molecular SciencesInstitute of ChemistryChinese Academy of SciencesBeijing 100190China University of Chinese Academy of Sciences Beijing 100049China

The cooperative visible-light mediated and NHC-catalyzed dearomative arylation-acylation of N-(2-bromobenzoyl)indoles with aldehydes was developed, affording the corresponding highly functionalized polycyclic indolines in moderate to good yields with exclusive diastereoselectivities. Mechanism investigations support the activation of CAr-Br bond via visible-light mediated energy transfer(EnT) and the following single-electron-transfer(SET) with Breslow intermediate under NHC catalysis to give key aryl radical and ketyl radical. This protocol demonstrates the cleavage of CAr-Br bond under mild cooperative EnT/NHC catalysis.

关键词： energy transfer N-heterocyclic carbenes photocatalysis aryl radicals indolines

有机金属卤化物钙钛矿CH_(3)NH_(3)PbBr_(3)的各向异性Rashba效应

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原子与分子物理学报 2025年第6期42卷 153-158页

作者：蔡锦鸿余达明周贤中广东工业大学集成电路学院广州510006

本研究通过密度泛函理论结合全相对论赝势对钙钛矿CH_(3)NH_(3)PbBr_(3)中的各向异性Rashba效应进行了深入研究.发现,Pb-Br八面体的畸变引起了导带最小间隙的三重态在自旋轨道耦合(SOC)效应和晶格形变下的分裂,导致在不同方向上呈现出... 详细信息

本研究通过密度泛函理论结合全相对论赝势对钙钛矿CH_(3)NH_(3)PbBr_(3)中的各向异性Rashba效应进行了深入研究.发现,Pb-Br八面体的畸变引起了导带最小间隙的三重态在自旋轨道耦合(SOC)效应和晶格形变下的分裂,导致在不同方向上呈现出强烈的各向异性.Rashba带分裂的最大系数可达2.0 eV?,并通过分析能级和电荷密度分布解释了Rashba效应的形成机制.这些研究结果有助于深化对CH_(3)NH_(3)PbBr_(3)性质的理解,同时为其在自旋电子学领域的潜在应用提供了理论基础.

关键词：钙钛矿 CH_3NH_3PbBr_3 密度泛函理论自旋轨道耦合

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Fracture Behavior and Processing Deformation of C71500 Cupronickel Alloy during Hot Tensile Deformation

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Journal of Wuhan University of Technology(Materials Science) 2021年第3期36卷 407-415页

作者： gao Xin WU Huibi LIU ming ZHANG Yuanxiang ZHOU Xiangdong zhong Yuguo Institute of Engineering Technology University of Science and Technology BeijingBeijing 100083China General Research Institute of Nonferrous Metals Beijing 100088China Collaborative Innovation Center of Steel Technology University of Science and Technology BeijingBeijing 100083China State Key Laboratory for Strength and Vibration of Mechanical Structures Xi'an Jiaotong UniversityXi'an 710049China The State Key Lab of Rolling and Automation Northeastern UniversityShenyang 110819China Wuxi Longda Metal Material Co. LtdWuxi 214105China

The hot tensile deformation properties and microstructure evolution of high purity C71500 cupronickel alloy at 1023-1273 K and 0.0001-0.1 s^(-1)strain rates were studied by uniaxial hot tensile deformation *** on the experimental data,the flow behavior,microstructure and fracture characteristics of the alloy were analyzed after considering the influence of different deformation *** relationship between microstructure and high temperature(T≥1023 K)plasticity is discussed,and the fracture mechanism is *** relationship between strain rate sensitivity coefficient and stress index and plastic deformation is *** constitutive equation of the alloy is established by Johnson-Cook *** on the dynamic material model,the energy dissipation model is established,and Prasad’s instability criterion based on Ziegler’s expected rheological theory is used to predict the unstable region in the processing *** map in hot tensile is analyzed to provide theoretical basis for different processing technology.

关键词： cupronickel mathematical model hot tensile deformation fracture processing map