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A compatible carbon efficiency information service framework based on the industrial internet identification

Digital Communications and Networks 2024年第4期10卷 884-894页

作者： cheng chi Yang Liu Baoluo Ma Senchun Chai Puning Zhang Zihang Yin School of Automation Beijing Institute of TechnologyBeijing100000China Institute of Industrial Internet and Internet of Things China Academy of Information and Communications TechnologyBeijing100191China School of Communication and Information Engineering Chongqing University of Posts and TelecommunicationsChongqing400065China

Green and low-carbon is a new development model that seeks balance between environmental sustainability and high economic *** explainable and available carbon emission data can be accurately obtained,it will help policy regulators and enterprise managers to more accurately implement this development strategy.A lot of research has been carried out,but it is still a difficult problem that how to accommodate and adapt the complex carbon emission data computing models and factor libraries developed by different regions,different industries and different ***,with the rapid development of the Industrial Internet,it has not only been used for the supply chain optimization and intelligent scheduling of the manufacturing industry,but also been used by more and more industries as an important way of digital *** in china,the Industrial Internet identification and resolution system is becoming an important digital infrastructure to uniquely identify objects and share ***,a compatible carbon efficiency information service framework based on the Industrial Internet Identification is proposed in this paper to address the problem of computing and querying multi-source heterogeneous carbon emission *** have defined a multi cooperation carbon emission data interaction model consisting of three roles and three basic ***,the implementation of the framework includes carbon emission data identification,modeling,calculation,query and *** practice results show that its capability and effectiveness in improving the responsiveness,accuracy,and credibility of compatible carbon efficiency data query and sharing services.

关键词： Industrial internet Identification and resolution Carbon emission data Carbon efficiency evaluation Carbon footprint tracking

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A multithreaded parallel upwind sweep algorithm for the S_(N) transport equations discretized with discontinuous finite elements

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Nuclear Science and Techniques 2023年第12期34卷 229-241页

作者： Zhi‑Wei Zong Mao‑Song cheng Ying‑chi Yu Zhi‑Min Dai Shanghai Institute of Applied Physics Chinese Academy of SciencesShanghai 201800China University of chinese Academy of Sciences Beijing 100049China

The complex structure and strong heterogeneity of advanced nuclear reactor systems pose challenges for high-fidelity neutron-shielding calculations. Unstructured meshes exhibit strong geometric adaptability and can overcome the deficiencies of conventionally structured meshes in complex geometry modeling. A multithreaded parallel upwind sweep algorithm for S_(N) transport was proposed to achieve a more accurate geometric description and improve the computational efficiency. The spatial variables were discretized using the standard discontinuous Galerkin finite-element method. The angular flux transmission between neighboring meshes was handled using an upwind scheme. In addition, a combination of a mesh transport sweep and angular iterations was realized using a multithreaded parallel technique. The algorithm was implemented in the 2D/3D S_(N) transport code ThorSNIPE, and numerical evaluations were conducted using three typical benchmark problems:IAEA, Kobayashi-3i, and VENUS-3. These numerical results indicate that the multithreaded parallel upwind sweep algorithm can achieve high computational efficiency. ThorSNIPE, with a multithreaded parallel upwind sweep algorithm, has good reliability, stability, and high efficiency, making it suitable for complex shielding calculations.

关键词： Shielding calculation Discrete ordinates method Discontinuous Galerkin finite element method Unstructured meshes

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A homologous strategy to parallelly construct doped MOFs-derived electrodes for flexible solid-state hybrid supercapacitors

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Nano Research 2023年第8期16卷 10890-10898页

作者： Yi-Lin Liu ling Wang Qingyi Zeng Qi Kang cheng Yan College of Mechanical Engineering University of South ChinaHengyang 421001China School of Materials Science and Engineering Harbin Institute of Technology(Shenzhen)Shenzhen 518055China Department of Polymer Science and Engineering Shanghai Key Laboratory of Electrical Insulation and Thermal AgeingSchool of Chemistry and Chemical EngineeringShanghai Jiao Tong UniversityShanghai 200240China School of Chemistry Faculty of ScienceThe University of SydneySydney 2006Australia

Developing efficient and cost-effective electrode materials is of essential significance to advance various energy storage technologies,among which flexible supercapacitors hold great promise to meet the growing popularity of wearable ***,we report a homologous strategy to parallelly synthesize phosphorus-doped ZnCo_(2)O_(4)(P-ZnCo_(2)O_(4)@NCC)and nitrogen-doped carbon(NC@NCC)both derived from ZnCo-metal-organic frameworks(MOFs)precursors in-situ grown on dopamine-modified carbon cloth(NCC)as conductive ***,the as-obtained P-ZnCo_(2)O_(4)@NCC can achieve a high specific capacitance of 2702.2 mF∙cm^(−2)at 1 mA∙cm^(−2)with the capacitance retention rate exceeding 70.6%at 10 mA∙cm^(−2),demonstrating the outstanding rate ***,flexible solid-state hybrid supercapacitors,using P-ZnCo_(2)O_(4)@NCC as positive electrode and NC@NCC as negative electrode,are assembled with poly(vinyl alcohol)(PVA)/KOH as the gel electrolyte,which deliver the energy density of 11.9 mWh∙cm^(−3)when the power density reaches up to 47.3 mW∙cm^(−3).In addition,85.15%of the initial specific capacitance is maintained after 5000 continuous cycles and no obvious capacitance decay is observed under different bending conditions,revealing the excellent cycling stability and *** a proof-of-concept demonstration,two as-assembled hybrid supercapacitors connected in series can light up a red light-emitting diode(LED)under the bending angle of 180°,heralding the feasibility for broad practical applications.

关键词： homologous synthesis heteroatom-doping metal-organic frameworks energy storage flexible solid-state devices

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Improved stability and oral bioavailability of Ganneng dropping pills following transforming lignans of herpeto- spermum caudigerum into nanosuspensions

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chinese Journal of Natural Medicines 2018年第1期16卷 70-80页

作者： LI Juan-Juan cheng ling SHEN Gang QIU ling SHEN cheng-Ying ZHENG Juan XU Rong YUAN Hai-Long Department of Pharmacy Air Force General Hospital of PLA Beijing 100142 China Department of Pharmacy Guangyuan Central Hospital Guanyuan 628000 China Department of Pharmacy Shuangliu District Maternal and Child Health Hospital Chengdu 610075 China chengdu Institute of chinese Herbal Medicine Chengdu 610045 China

The present study was designed to improve storage stability and oral bioavailability of Ganneng dropping pills(GNDP) by transforming lignans of Herpetospermum caudigerum(HL) composed of herpetrione(HPE) and herpetin(HPN) into nanosuspension(HL-NS), the main active ingredient of GNDP, HL-NS was prepared by high pressure homogenization and lyophilized to transform into solid nanoparticles(HL nanoparticles), and then the formulated HL nanoparticles were perfused into matrix to obtain NS-GNDP by melting method. For a period of 3 months, the content uniformity, storage stability and pharmacokinetics test in vivo of NS-GNDP were evaluated and compared with regular GNDP at room temperature. The results demonstrated that uniformity of dosage units of NS-GNDP was acceptable according to the criteria of chinese Pharmacopoeia 2015 J. Physical stability of NS-GNDP was investigated systemically using photon correlation spectroscopy(PCS), zeta potential measurement, and scanning electron microscopy(SEM). There was a slight increase in particles and PI of HL-NS re-dispersed from NS-GNDP after storage for 3 months, compared with new formulated NS-GNDP, which indicated a good redispersibility of the NS-GNDP containing HL-NS after storage. Besides, chemical stability of NS-GNDP was studied and the results revealed that HPE and HPN degradation was less when compared with that of GNDP, providing more than 99% of drug residue after storage for 3 months. In the dissolution test in vitro, NS-GNDP remarkably exhibited an increased dissolution velocity compared with GNDP and no distinct dissolution difference existed within 3 months. The pharmacokinetic study showed that HPE and HPN in NS-GNDP exhibited a significant increase in AUC0–t, Cmax and decrease in Tmax when compared with regular GNDP. These results indicated that NS-GNDP possessed superiority with improved storage stability and increased dissolution rate and oral bioavailability.

关键词： Ganneng dropping pills Lignans Herpetospermum caudigerum Nanosuspensions Stability Oral bioavailability

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Structural deformation, metallogenic epoch and genetic mechanism of the Woxi Au-Sb-W deposit, Western Hunan Province, South china

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Science china Earth Sciences 2022年第12期65卷 2358-2384页

作者： Bin LI Deru XU Daoyuan BAI Guoxiang chi Junfeng DAI cheng GAO Teng DENG Shaohao ZOU Wen MA Guojian WANG Yuexin ling Guangqian ZENG Yinmin LI State Key Laboratory of Nuclear Resources and Environment East China University of TechnologyNanchang 330013China School of Earth Sciences East China University of TechnologyNanchang 330013China Hunan Institute of Geological Survey Changsha 410116China Department of Geology University of ReginaRegina S4S 0A2SaskatchewanCanada

The remobilization,migration,precipitation,and enrichment of ore-forming elements are closely related to ***,detailed regional and ore-field structural analyses are critical for determining the genesis of a mineral *** Jiangnan Orogenic Belt(JOB)is an important gold polymetallic metallogenic belt in South china,which is characterized by multiple periods of gold mineralization in the Paleozoic and ***,the genesis of these gold polymetallic deposits is still not well understood due to a lack of systematic research on the regional geology,ore-controlling structures and metallogenic *** this study,a detailed structural survey at the surface and in the subsurface tunnels was conducted on the Woxi Au-Sb-W deposit,the genesis of which is relatively controversial among the gold polymetallic deposits in the JOB due to poor structural *** addition,a wolframite U-Pb dating was carried out to further constrain the relationship between structures and *** on the results of these studies,together with those from previous studies,it is proposed that the Woxi deposit and surrounding areas likely underwent six periods of regional deformation,which are constrained in time and geodynamic ***,we present a systematic discussion on the roles of ore-controlling structures in the transportation,distribution,and deposition of ore-forming elements and localization of *** to the wolframite dating results,structural analyses,and previous data,we propose that the Woxi Au-Sb-W deposit was formed in two stages during the Yanshanian:a W(wolframite)-Au mineralization stage at ca.140 Ma and an Au-Sb-W(scheelite)mineralization stage at<130 *** mineralizing events are interpreted to have a tight relationship with tectonic reactivation,and the ore-forming fluids were derived from deep sources,including those of magmatic or metamorphic *** Woxi deposit can therefore be classified as an“

关键词： Structural deformation Wolframite U-Pb age Metallogenic epoch Genetic mechanism Woxi Au-Sb-W deposit Western Hunan Province Jiangnan orogen

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Dynamic Behavior of Gravity Retaining Walls with Coral Sand Backfill Under Earthquakes:Shaking Table Tests

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china Ocean Engineering 2022年第6期36卷 839-848页

作者： ZHANG Yan-ling WANG cheng-long DING Xuan-ming WU Qi College of Civil Engineering Taiyuan University of TechnologyTaiyuan 030024China Key Laboratory of New Technology for Construction of Cities in Mountain Area School of Civil EngineeringChongqing UniversityChongqing 400045China

The retaining walls in coral sand sites are inevitably threatened by earthquakes. A series of shaking table tests were carried out to study the seismic stability of gravity retaining walls with coral sand backfill. Parallel tests with quartz sand were performed to compare and discuss the special dynamic properties of coral sand sites. The results show that the acceleration difference between the retaining wall and the coral sand backfill is 76%-92% that of the quartz sand,which corresponds to the larger liquefaction resistance of coral sand compared with the quartz sand. However, the horizontal displacement of the retaining walls with coral sand backfill reaches 79% of its own width under 0.4g vibration intensity. The risk of instability and damage of the retaining walls with coral sand backfill under strong earthquakes needs attention.

关键词： coral sand seismic response liquefaction shaking table test gravity retaining walls

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Extensive calcifications in portal venous system in a patient with hepatocarcinoma

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World Journal of Gastroenterology 2014年第43期20卷 16377-16380页

作者： cheng-En Wang cheng-Jian Sun Shuai Huang Yan-Hua Wang ling-ling Xie Department of Interventional Radiology Affiliated Hospital of Qingdao University

Calcification of the portal venous system is a rare entity that can be incidentally discovered during computed tomography (CT). We describe a case of extensive calcifications in the portal venous system in a middle-aged male patient with hepatocellular carcinoma (HCC). This patient presented with epigastric pain that had no obvious origin prior to admission. Laboratory examinations were positive for hepatitis B surface antigen and α-fetoprotein, and severe esophageal and gastric varices were detected during gastroscopy. Abdominal X-ray plain film showed well-defined linear and track-like calcification, with irregular margins directed along the course of the portal venous system. CT revealed extensive calcifications along the course of the portal, splenic, superior mesenteric and gastroesophageal veins. He underwent splenectomy 22 years ago due to splenomegaly and partial hepatectomy seven months before because of HCC of low-grade differentiation, confirmed by pathology. Finally, the patient was diagnosed with postoperative recurrent HCC and extensive portal venous system calcification after selective hepatic angiography under digital subtraction angiography.

关键词： Portal vein Calcification Portal hypertension Hepatocarcinoma Hepatocellular carcinoma

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Laparoscopic vs open liver re-resection for cirrhotic patients with post-hepatectomy hepatocellular carcinoma recurrence:A comparative study

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World Journal of Gastrointestinal Surgery 2022年第5期14卷 409-418页

作者： Kai-chi cheng Kit-Man Ho Department of Surgery Kwong Wah HospitalHong Kong 999077China

BACKGROUND Repeated liver resection is an effective treatment for recurrent hepatocellular carcinoma(HCC).However,few studies have compared the outcome of laparoscopic repeat hepatectomy(LRH)and open repeat hepatectomy(ORH)for recurrent HCC,and few of those have included cirrhotic *** To compare short-term and long-term outcomes of cirrhotic patients with LRH and ORH for recurrent *** We retrospectively analysed the clinical records retrieved from a prospectively collected database of all patients who underwent hepatectomy for posthepatectomy recurrent HCC at our institute between May 2006 and June *** of recurrent HCCs larger than 7 cm were *** demographics,operative details,perioperative outcomes,pathologic details,disease-free survival(DFS),and overall survival(OS)data of LRH and ORH were *** Data from 29 patients with LRH and 22 with ORH were *** LRH group showed significantly better outcomes for blood loss(median 300 mL vs 750 mL,P=0.013)and length of hospital stay(median 5 d vs 7 d,P=0.003).The 1-,3-and 5-year OS rates in the LRH group were 100.0%,60.0%and 30.0%,respectively;the corresponding rates in the ORH group were 81.8%,36.4%and 18.2%(P=0.336).The 1-,3-and 5-year DFS rates in the LRH group were 68.2%,27.3%and 4.5%,respectively;the corresponding rates in the ORH group were 31.3%,6.3%and 6.3%(P=0.055).There were no significant differences in overall and DFS between the two *** Laparoscopic re-resection should be considered for patients presenting with recurrent HCC less than or equal to 7 cm after previous hepatectomy.

关键词： Hepatocellular carcinoma Recurrence Repeat hepatectomy Laparoscopic hepatectomy Outcome Overall survival Disease-free survival

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Thermal behavior analysis of a pouch type Li[Ni0.7Co0.15Mn0.15]O2-based lithium-ion battery

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Rare Metals 2016年第4期35卷 309-319页

作者： Feng-ling Yun ling Tang Wen-cheng Li Wei-Ren Jin Jing Pang Shi-Gang Lu General Research Institute for Nonferrous Metalsl R&D Center for Vehicle Battery and Energy StorageBeijing 100088China

Since lithium-ion battery with high energy density is the key component for next-generation electrical vehicles, a full understanding of its thermal behaviors at different discharge rates is quite important for the design and thermal management of lithium-ion batteries （LIBs） pack/module. In this work, a 25 Ah pouch type Li[Ni0.7 Co0.15Mn0.15]O2/graphite LIBs with specific energy of 200 ***-1 were designed to investigate their thermal behaviors, including temperature distribution, heat generation rate, heat capacity and heat transfer coefficient with environment. Results show that the temperature increment of the charged pouch batteries strongly depends on the discharge rate and depth of discharge. The heat generation rate is mainly influenced by the irreversible heat effect, while the reversible heat is important at all discharge rates and contributes much to the middle evolution of the tem- perature during discharge, especially at low rate. Subse- quently, a prediction model with lumped parameters was used to estimate the temperature evolution at different discharge rates of LIBs. The predicted results match well with the experimental results at all discharge rates. Therefore, the thermal model is suitable to predict the average temperature for the large-scale batteries under normal operating conditions.

关键词： Lithium-ionLi[Ni0.7Co0.15Mn0.15]O2 battery Thermal behavior High specific energy

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Understanding the role of PIN1 in hepatocellular carcinoma

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World Journal of Gastroenterology 2016年第45期22卷 9921-9932页

作者： chi-Wai cheng Ka-Wai Leong Eric Tse Department of Medicine The University of Hong Kong Queen Mary Hospital

PIN1 is a peptidyl-prolyl cis/trans isomerase that binds and catalyses isomerization of the specific motif comprising a phosphorylated serine or threonine residue preceding a proline(p Ser/Thr-Pro) in proteins. PIN1 can therefore induce conformational and functional changes of its interacting proteins that are regulated by proline-directed serine/threonine phosphorylation. Through this phosphorylation-dependent prolyl isomerization, PIN1 fine-tunes the functions of key phosphoproteins(e.g., cyclin D1, survivin, β-catenin and x-protein of hepatitis B virus) that are involved in the regulation of cell cycle progression, apoptosis, proliferation and oncogenic transformation. PIN1 has been found to be over-expressed in many cancers, including human hepatocellular carcinoma(HCC). It has been shown previously that overexpression of PIN1 contributes to the development of HCC invitro and in xenograft mouse model. In this review, we first discussed the aberrant transcription factor expression, miR NAs dysregulation, PIN1 gene promoter polymorphisms and phosphorylation of PIN1 as potential mechanisms underlying PIN1 overexpression in cancers. Furthermore, we also examined the role of PIN1 in HCC tumourigenesis by reviewing the interactions between PIN1 and various cellular and viral proteins that are involved in β-catenin, NOTCH, and PI3K/Akt/mT OR pathways, apoptosis, angiogenesis and epithelial-mesenchymal transition. Finally, the potential of PIN1 inhibitors as an anti-cancer therapy was explored and discussed.

关键词： Phosphorylation Hepatocellular carcinoma PIN1 Isomerization Hepatocarcinogenesis

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