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Simulation and experimental improvement on a small-scale Stirling thermo-acoustic engine

Mao CHEN,Yonglin JU

Frontiers in Energy 2016, Volume 10, Issue 1,   Pages 37-45 doi: 10.1007/s11708-015-0390-6

Abstract: In this paper, the influence of the dimensions of the main parts of the small-scale Stirling thermo-acousticBased on the numerical simulation, a small-scale Stirling thermo-acoustic engine were constructed and

Keywords： thermo-acoustic Stirling engine     small-scale     simulation     experiment    

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Comprehensive comparison of small-scale natural gas liquefaction processes using brazed plate heat exchangers

Jitan WU, Yonglin JU

Frontiers in Energy 2020, Volume 14, Issue 4,   Pages 683-698 doi: 10.1007/s11708-020-0705-0

Abstract: The brazed plate heat exchanger (BPHE) has some advantages over the plate-fin heat exchanger (PFHE) when used in natural gas liquefaction processes, such as the convenient installation and transportation, as well as the high tolerance of carbon dioxide (CO ) impurities. However, the BPHEs with only two channels cannot be applied directly in the conventional liquefaction processes which are designed for multi-stream heat exchangers. Therefore, the liquefaction processes using BPHEs are different from the conventional PFHE processes. In this paper, four different liquefaction processes using BPHEs are optimized and comprehensively compared under respective optimal conditions. The processes are compared with respect to energy consumption, economic performance, and robustness. The genetic algorithm (GA) is applied as the optimization method and the total revenue requirement (TRR) method is adopted in the economic analysis. The results show that the modified single mixed refrigerant (MSMR) process with part of the refrigerant flowing back to the compressor at low temperatures has the lowest specific energy consumption but the worst robustness of the four processes. The MSMR with fully utilization of cold capacity of the refrigerant shows a satisfying robustness and the best economic performance. The research in this paper is helpful for the application of BPHEs in natural gas liquefaction processes.

Keywords： liquefied natural gas     brazed plate heat exchanger     energy consumption     economic performance     robustness    

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Small-scale area survey and analyses of Xinjiang’s coal field fire in China

Zhong Maohua,Fu Tairan,Hu Zhongbin

Strategic Study of CAE 2010, Volume 12, Issue 1,   Pages 12-17

Abstract: Through a series of field surveys in Xinjiang, we made the small-scale area analysis of coal field fireThe results show that the method of small-scale area analysis is available for examining the extinguished

Keywords： coal field fire     thermal anomaly     temperature     small-scale     remote sensing    

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A small-scale silica gel-water adsorption system for domestic air conditioning and water heating by the

Y. YU, Q. W. PAN, L. W. WANG

Frontiers in Energy 2020, Volume 14, Issue 2,   Pages 328-336 doi: 10.1007/s11708-019-0623-1

Abstract: A small-scale silica gel-water adsorption system with modular adsorber, which utilizes solar energy to

Keywords： silica gel-water     heat and mass recovery     solar energy     domestic cooling and heating    

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Influence Factors for Distribution of Smoke Concentration in Small-scale Experiment

Huang Rui,Yang Lizhong,Feng Wenxing,Fang Tingyong,Fan Weicheng

Strategic Study of CAE 2003, Volume 5, Issue 8,   Pages 54-58

Abstract: Lagrange interpolation to analyze the limited data of smoke components and concentration attained from the small-scale

Keywords： smoke     2-dimensional interpolation     multipoint measurement    

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Learning Rat-Like Behavior for a Small-Scale Biomimetic Robot

Zihang Gao, Guanglu Jia, Hongzhao Xie, Qiang Huang, Toshio Fukuda, Qing Shi

Engineering 2022, Volume 17, Issue 10,   Pages 232-243 doi: 10.1016/j.eng.2022.05.012

Abstract:

Existing biomimetic robots can perform some basic rat-like movement primitives (MPs) and simple behavior with stiff combinations of these MPs. To mimic typical rat behavior with high similarity, we propose parameterizing the behavior using a probabilistic model and movement characteristics. First, an analysis of fifteen 10min video sequences revealed that an actual rat has six typical behaviors in the open
field, and each kind of behavior contains different bio-inspired combinations of eight MPs. We used the softmax classifier to obtain the behavior-movement hierarchical probability model. Secondly, we specified the MPs using movement parameters that are static and dynamic. We obtained the predominant values of the static and dynamic movement parameters using hierarchical clustering and fuzzy C-means
clustering, respectively. These predominant parameters were used for fitting the rat spinal joint trajectory using a second-order Fourier series, and the joint trajectory was generalized using a back propagation neural network with two hidden layers. Finally, the hierarchical probability model and the generalized joint trajectory were mapped to the robot as control policy and commands, respectively. We implemented the six typical behaviors on the robot, and the results show high similarity when compared with the behaviors of actual rats.

Keywords： Biomimetic     Bio-inspired robot     Neural network learning system     Behavior generation    

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Interference coordination in full-duplex HetNet with large-scale antenna arrays Article

Zhao-yang ZHANG, Wei LYU

Frontiers of Information Technology & Electronic Engineering 2017, Volume 18, Issue 6,   Pages 830-840 doi: 10.1631/FITEE.1700047

Abstract: Massive multiple-input multiple-output (MIMO), small cell, and full-duplex are promising techniques for) that consists of a massive-MIMO enabled macro-cell base station (MBS) and a number of full-duplex small-cell

Keywords： Massive MIMO     Full-duplex     Small cell     Wireless backhaul     Distributed algorithm    

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Concurrent fatigue crack growth simulation using extended finite element method

Zizi LU, Yongming LIU,

Frontiers of Structural and Civil Engineering 2010, Volume 4, Issue 3,   Pages 339-347 doi: 10.1007/s11709-010-0078-2

Abstract: paper, a concurrent simulation framework for fatigue crack growth analysis is proposed using a novel smalltime scale model for fatigue mechanism analysis and the extended finite element method (X-FEM) for fatigueThe proposed small time scale fatigue model does not require the cycle counting as those using the classicalThe small time scale fatigue model is integrated into the numerical simulation algorithm for concurrent

Keywords： small time scale model     extended finite element method (X-FEM)     crack growth     multiaxial    

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magmatic Ni-Cu-PGE sulfide deposits—Implications for potential metallogenic mechanism of super-large scalemagmatic deposits in small magma

Zhang Mingjie,Tang Qingyan and Li Wenyuan,Yu Ming、Hu Peiqing、Li Jianping

Strategic Study of CAE 2015, Volume 17, Issue 2,   Pages 40-49

Abstract:

The resources of nickel and platinum group element (PGE) are contributed by super-large scale magmaticmantle sulfide and olivine into ore-forming magma， and the sulfide segregation will form super-large scaleNi-PGE sulfide deposits in a large scale layered (or conduit) intrusion.It is possible to be the metallogenic mechanism of magmatic Ni-PGE sulfide deposits by small mantle derivedmagma (i.e.， small intrusion).

Keywords： volatile； small intrusion； mantle-derived magma； mineralizations    

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A ruptured recurrent small bowel gastrointestinal stromal tumour causing hemoperitoneum

Eric C.H. Lai,Kam Man Chung,Stephanie H.Y. Lau,Wan Yee Lau

Frontiers of Medicine 2015, Volume 9, Issue 1,   Pages 108-111 doi: 10.1007/s11684-014-0344-0

Abstract: intra-abdominal recurrence from a previously resected gastrointestinal stromal tumour (GIST) of the smallIn this patient who presented with spontaneous rupture of a small intestinal GIST, the novel use of targeted

Keywords： gastrointestinal stromal tumour     hemoperitoneum     small bowel GIST     small bowel neoplasm     imatinib    

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Discovery of small molecule degraders for modulating cell cycle

Frontiers of Medicine   Pages 823-854 doi: 10.1007/s11684-023-1027-5

Abstract: The cell cycle is a complex process that involves DNA replication, protein expression, and cell division. Dysregulation of the cell cycle is associated with various diseases. Cyclin-dependent kinases (CDKs) and their corresponding cyclins are major proteins that regulate the cell cycle. In contrast to inhibition, a new approach called proteolysis-targeting chimeras (PROTACs) and molecular glues can eliminate both enzymatic and scaffold functions of CDKs and cyclins, achieving targeted degradation. The field of PROTACs and molecular glues has developed rapidly in recent years. In this article, we aim to summarize the latest developments of CDKs and cyclin protein degraders. The selectivity, application, validation and the current state of each CDK degrader will be overviewed. Additionally, possible methods are discussed for the development of degraders for CDK members that still lack them. Overall, this article provides a comprehensive summary of the latest advancements in CDK and cyclin protein degraders, which will be helpful for researchers working on this topic.

Keywords： PROTAC     molecular glue     degrader     cell cycle     CDK     cyclin    

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Fine-tuning cell organelle dynamics during mitosis by small GTPases

Frontiers of Medicine 2022, Volume 16, Issue 3,   Pages 339-357 doi: 10.1007/s11684-022-0926-1

Abstract: Small GTPases belonging to the Ras superfamily regulate various cell organelles during division.Being the key regulators of membrane dynamics, the dysregulation of small GTPases is widely associatedRecent discoveries shed light on the molecular properties of small GTPases as sophisticated modulatorsThis review collects current knowledge on small GTPases in the regulation of cell organelles during mitosisand highlights the mediator role of small GTPase in transducing cell cycle signaling to organelle dynamics

Keywords： small GTPase     cell organelle     mitosis    

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Gut microbiota and its implications in small bowel transplantation

Chenyang Wang, Qiurong Li, Jieshou Li

Frontiers of Medicine 2018, Volume 12, Issue 3,   Pages 239-248 doi: 10.1007/s11684-018-0617-0

Abstract: In fact, several studies indicated that acute and chronic allograft rejection in small bowel transplantation

Keywords： gut microbiota     small bowel transplantation     acute rejection     chronic rejection     mucosal immunity     biomarker    

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Molecular classification of non-small-cell lung cancer: diagnosis, individualized treatment, and prognosis

Yue Yu, Jie He

Frontiers of Medicine 2013, Volume 7, Issue 2,   Pages 157-171 doi: 10.1007/s11684-013-0272-4

Abstract:

Non-small-cell lung cancer (NSCLC) is the most common cause of premature death among the malignant

Keywords： non-small-cell lung cancer     molecular typing     individualized medicine     molecular-targeted therapy     gene expression    

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Performance prediction of switched reluctance generator with time average and small signal models

Jyoti KOUJALAGI, B. UMAMAHESWARI, R. ARUMUGAM

Frontiers in Energy 2013, Volume 7, Issue 1,   Pages 56-68 doi: 10.1007/s11708-012-0216-8

Abstract: mathematical model and predicts the performance of switched reluctance generator with time average and smallFinally, to track control voltage and current wave shapes, a small signal model is designed.

Keywords： generator     reluctance     switching model     small signal model     time average model    

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Title Author Date Type Operation

Simulation and experimental improvement on a small-scale Stirling thermo-acoustic engine

Mao CHEN,Yonglin JU

Journal Article

Comprehensive comparison of small-scale natural gas liquefaction processes using brazed plate heat exchangers

Jitan WU, Yonglin JU

Journal Article

Small-scale area survey and analyses of Xinjiang’s coal field fire in China

Zhong Maohua,Fu Tairan,Hu Zhongbin

Journal Article

A small-scale silica gel-water adsorption system for domestic air conditioning and water heating by the

Y. YU, Q. W. PAN, L. W. WANG

Journal Article

Influence Factors for Distribution of Smoke Concentration in Small-scale Experiment

Huang Rui,Yang Lizhong,Feng Wenxing,Fang Tingyong,Fan Weicheng

Journal Article

Learning Rat-Like Behavior for a Small-Scale Biomimetic Robot

Zihang Gao, Guanglu Jia, Hongzhao Xie, Qiang Huang, Toshio Fukuda, Qing Shi

Journal Article

Interference coordination in full-duplex HetNet with large-scale antenna arrays

Zhao-yang ZHANG, Wei LYU

Journal Article

Concurrent fatigue crack growth simulation using extended finite element method

Zizi LU, Yongming LIU,

Journal Article

magmatic Ni-Cu-PGE sulfide deposits—Implications for potential metallogenic mechanism of super-large scalemagmatic deposits in small magma

Zhang Mingjie,Tang Qingyan and Li Wenyuan,Yu Ming、Hu Peiqing、Li Jianping

Journal Article

A ruptured recurrent small bowel gastrointestinal stromal tumour causing hemoperitoneum

Eric C.H. Lai,Kam Man Chung,Stephanie H.Y. Lau,Wan Yee Lau

Journal Article

Discovery of small molecule degraders for modulating cell cycle

Journal Article

Fine-tuning cell organelle dynamics during mitosis by small GTPases

Journal Article

Gut microbiota and its implications in small bowel transplantation

Chenyang Wang, Qiurong Li, Jieshou Li

Journal Article

Molecular classification of non-small-cell lung cancer: diagnosis, individualized treatment, and prognosis

Yue Yu, Jie He

Journal Article

Performance prediction of switched reluctance generator with time average and small signal models

Jyoti KOUJALAGI, B. UMAMAHESWARI, R. ARUMUGAM

Journal Article