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Optimization of Land-use Based on the Theory of Cellular Automata and Value of Ecosystem Services

Lian-fu Jiang,Guo-xian Xu,Hao Jiang

《工程管理前沿（英文）》 2014年第1卷第4期页码 395-401 doi: 10.15302/J-FEM-2014058

摘要： The main objective of the study was to confirm the location and configuration of “Habitat Conservation Area” in Dongguan City. The land utilization condition in the target city was simulated using Arc GIS and Geo SOS software basing on multi-criteria decision model of Cellular Automata (CA). Both the simulation result and accuracy satisfied well the basic requirements. In addition to multi-criteria decision model, space optimization technique was used as well in simulation experiments.

关键词： Ecosystem service function optimization of land use Cellular Automata (CA)

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Quantum-dot cellular automata based reversible low power parity generator and parity checker design for

Jadav Chandra DAS,Debashis DE

《信息与电子工程前沿（英文）》 2016年第17卷第3期页码 224-236 doi: 10.1631/FITEE.1500079

摘要： Quantum-dot cellular automata (QCA) is an emerging area of research in reversible computing. It can be used to design nanoscale circuits. In nanocommunication, the detection and correction of errors in a received message is a major factor. Besides, device density and power dissipation are the key issues in the nanocommunication architecture. For the first time, QCA-based designs of the reversible low-power odd parity generator and odd parity checker using the Feynman gate have been achieved in this study. Using the proposed parity generator and parity checker circuit, a nanocommunication architecture is proposed. The detection of errors in the received message during transmission is also explored. The proposed QCA Feynman gate outshines the existing ones in terms of area, cell count, and delay. The quantum costs of the proposed conventional reversible circuits and their QCA layouts are calculated and compared, which establishes that the proposed QCA circuits have very low quantum cost compared to conventional designs. The energy dissipation by the layouts is estimated, which ensures the possibility of QCA nano-device serving as an alternative platform for the implementation of reversible circuits. The stability of the proposed circuits under thermal randomness is analyzed, showing the operational efficiency of the circuits. The simulation results of the proposed design are tested with theoretical values, showing the accuracy of the circuits. The proposed circuits can be used to design more complex low-power nanoscale lossless nanocommunication architecture such as nano-transmitters and nano-receivers.

关键词： Quantum-dot cellular automata (QCA) Parity generator Parity checker Feynman gate Nanocommunication Power dissipation

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二维可控细胞自动机伪随机序列发生方法研究

朱保平,马骞,刘凤玉

《中国工程科学》 2007年第9卷第6期页码 43-47

摘要：

提出了一种新的细胞自动机———二维可控细胞自动机。根据二维可控细胞自动机的性质，提出了一种具有梯型结构的二维可控细胞自动机的伪随机序列发生方法。计算机模拟表明，具有梯型结构的二维可控细胞自动机伪随机序列发生器实现简单，产生的序列具有速度高、统计特性好等优点。新的细胞自动机在对称密码学中有广泛地应用。

关键词：细胞自动机伪随机序列发生器可控密码学

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基于元胞自动机的电阻存储器多比特固定型故障诊断 Research Article

Sutapa SARKAR1, Biplab Kumar SIKDAR2, Mousumi SAHA3

《信息与电子工程前沿（英文）》 2022年第23卷第7期页码 1110-1126 doi: 10.1631/FITEE.2100255

摘要：因此，本文提出一种基于元胞自动机（CA）的动态消除固定型故障设计，以解决不可靠的电池功能和不稳定的电池寿命问题。引入可扩展的块级故障诊断和恢复方案，以确保在出现多比特固定型故障情形下仍可读取数据。所提方案基于Wolfram零边界和周期性边界CA理论。引入多种特殊类别CA——单长循环单吸引子元胞自动机（SACA）、单长循环双吸引子元胞自动机（TACA）和单长循环多吸引子元胞自动机（MACA）——以实现完全容错。目标微架构单元设计具有最佳空间开销。

关键词：电阻存储器；电池可靠性；块级故障诊断；单长循环单吸引子元胞自动机；单长循环双吸引子元胞自动机；单长循环多吸引子元胞自动机

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基于量子元胞自动机的可逆二进制减法器设计 Article

Jadav Chandra DAS, Debashis DE

《信息与电子工程前沿（英文）》 2017年第18卷第9期页码 1416-1429 doi: 10.1631/FITEE.1600999

摘要：在纳米技术领域，量子元胞自动机（quantum dot-cellular automata, QCA）可作为传统互补金属氧化物半导体（complementary metal oxide semiconductor

关键词：量子元胞自动机（quantum dot-cellular automata QCA）；可逆逻辑；DG门；二进制减法器；量子成本

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基于元胞自动机的多自主体人员行为模型及其在性能化设计中的应用

方伟峰,杨立中,黄锐

《中国工程科学》 2003年第5卷第3期页码 67-71

摘要：

目前性能化设计规范一个最主要的特点是从强调财产保护转变到强调生命安全保护，因此对建筑物内人员行为特征和运动规律的研究正越来越受到人们的重视。元胞自动机模型在交通流研究中的应用已经开展多年并取得了很多有用的成果，但涉及人的行为特征的研究往往十分复杂，在这方面利用自主体来研究具有较大的优势。给出的模型结合了这两方面各自的优势，是在元胞自动机交通流、行人流基本框架上建立起的多自主体人员行为模型，它对评估建筑物的设计方案具有很好的参考作用。

关键词：元胞自动机模型多自主体人员行为性能化设计

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用于设计量子点元胞自动机算术电路的可扩展 1 位全加器 Research Article

Hamideh KHAJEHNASIR-JAHROMI, Pooya TORKZADEH, Massoud DOUSTI

《信息与电子工程前沿（英文）》 2022年第23卷第8期页码 1264-1276 doi: 10.1631/FITEE.2100287

摘要：近年来，在纳米尺度上使用互补金属氧化物半导体（CMOS）技术设计逻辑电路面临着各种挑战。漏电流、短效应沟道和高能量耗散是一些亟待解决的问题。量子点元胞自动机（QCA）代表了未来可能替代CMOS的一种合适选择，因为与标准CMOS相比，它消耗的能量微不足道。设计算术电路关键是基于1位全加器的结构。低复杂度的全加器模块有利于开发各种复杂结构。本文介绍了基于单元交互的可扩展1位QCA全加器结构。我们提出的全加器包含QCA设计偏好，例如使用的单元数量少、延迟低和占用面积小。此外，所提结构已扩展到更大的电路，包括4位行波进位加法器（RCA）、4位行波借位减法器（RBS）、加/减电路和2位阵列乘法器。所有设计均使用 QCA Designer-E 2.2版软件进行仿真和验证。该工具可以估计能量消耗以及评估电路的性能。仿真结果表明，所提设计在复杂度、面积、延迟、成本和能量消耗方面都是有效的。

关键词：量子点元胞自动机（QCA）；全加器；行波进位加法器（RCA）；加/减电路；乘数

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基于量子点元胞自动机的低能耗、高速度和高效面积时序电路：T型锁存器和计数器研究 Research Article

Mohammad GHOLAMI1,Zaman AMIRZADEH2

《信息与电子工程前沿（英文）》 2023年第24卷第3期页码 457-469 doi: 10.1631/FITEE.2200361

摘要：量子点元胞自动机（QCA）是一种用于实现纳米数字电路的新型纳米技术。这种纳米技术在速度、面积和功耗方面都优于互补金属氧化物半导体（CMOS）技术，并且可以显著改善各种逻辑电路设计。本文提出一种在QCA技术中实现T型锁存器的新方法，该方法利用了QCA在时序和时钟相位上的固有特征，因此，所提单元结构与现有方法相比占用面积更少，功耗更低。与之前的最佳设计相比，该T型锁存器的占用面积减少6.45%，功耗降低44.49%。此外，本文首次设计了基于复位的T型锁存器和具有置位和复位功能的T型锁存器。基于所提T型锁存器，开发了一种新型3位计数器，与之前的最佳设计相比减少2.14%的单元数。在3位计数器的基础上，设计了4位计数器，与之前的设计相比，减少0.51%的单元数和4.16%的截面积。此外还引入两个选择性计数器，分别从0到5和从2到5进行计数。在相干矢量引擎模式下，使用QCADesigner和QCAPro软件进行模拟，并将所提电路与相关设计在延迟、单元数、面积和漏电功率方面进行了比较。

关键词：量子点元胞自动机（QCA）；量子点；T型锁存器；T型触发器；计数器；选择性计数器；QCADesigner软件；QCAPro软件

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某大型商贸中心的人员疏散性能化分析

宋卫国,于彦飞,张和平

《中国工程科学》 2005年第7卷第10期页码 78-83

摘要：

新型建筑不断涌现使得火灾安全性能化设计被广泛应用，人员疏散是其中的关键环节。结合某大型商贸中心的火灾安全性能化设计方案，利用CAFE模型分析了人员疏散性能。结果表明，由于该模型量化了人员疏散过程中人与人、人与环境之间的作用力，因此计算得到的人员疏散时间比同类软件更加保守，分析结果具有更高的可靠性。

关键词：人员疏散性能化设计元胞自动机模型

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基于量子点元胞自动机的超高效可逆块的纳米设计 Research Article

Seyed Sajad AHMADPOUR1, Nima Jafari NAVIMIPOUR1, Mohammad MOSLEH2, Senay YALCIN3

《信息与电子工程前沿（英文）》 2023年第24卷第3期页码 447-456 doi: 10.1631/FITEE.2200095

摘要：可逆逻辑由于其固有的降低能量耗散的能力最近受到极大关注。这种降低能量耗散的能力是低功耗数字电路的首要需求。可逆逻辑是相关研究的最新领域之一，在纳米技术、DNA计算、量子计算、容错和低功耗互补金属氧化物半导体（CMOS）等方面都有广泛应用。一个电路如果具有相同数量的输入和输出，并且是一一对应的，则被归类为可逆电路。如果输入和输出的异或门相等，则可逆电路是保守的。此外，量子点元胞自动机（QCA）是最先进的方法之一，可以替代传统技术。因此，本文提出一种低功耗、高速度的高效保守门。首先提出一个可逆门ANG (Ahmadpour Navimipour Gate)，然后在QCA技术中实现非抗性ANG和可逆容错ANG两种结构。通过米勒算法实现所提可逆门，并通过2DW（二维设计）时钟电路图实现可逆容错ANG。此外，在不同的能量范围（0.5Ek，1.0Ek和1.5Ek）评估所提ANG门的功耗，并使用QCADesigner 2.0.03和QCAPro软件进行结构模拟和功耗分析。与之前的设计相比，所提可逆门具有很大提升。

关键词：纳米技术；可逆逻辑；能量耗散；量子点元胞自动机（QCA）；可逆门；米勒算法

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NETO2 promotes melanoma progression via activation of the Ca/CaMKII signaling pathway

《医学前沿（英文）》 2023年第17卷第2期页码 263-274 doi: 10.1007/s11684-022-0935-0

摘要： Melanoma is the most aggressive cutaneous tumor. Neuropilin and tolloid-like 2 (NETO2) is closely related to tumorigenesis. However, the functional significance of NETO2 in melanoma progression remains unclear. Herein, we found that NETO2 expression was augmented in melanoma clinical tissues and associated with poor prognosis in melanoma patients. Disrupting NETO2 expression markedly inhibited melanoma proliferation, malignant growth, migration, and invasion by downregulating the levels of calcium ions (Ca²⁺) and the expression of key genes involved in the calcium signaling pathway. By contrast, NETO2 overexpression had the opposite effects. Importantly, pharmacological inhibition of CaMKII/CREB activity with the CaMKII inhibitor KN93 suppressed NETO2-induced proliferation and melanoma metastasis. Overall, this study uncovered the crucial role of NETO2-mediated regulation in melanoma progression, indicating that targeting NETO2 may effectively improve melanoma treatment.

关键词： melanoma neuropilin and tolloid-like 2 Ca²⁺/CaMKII signaling pathway

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Berberine alleviates myocardial diastolic dysfunction by modulating Drp1-mediated mitochondrial fission and Ca

《医学前沿（英文）》 doi: 10.1007/s11684-023-0983-0

摘要： Berberine alleviates myocardial diastolic dysfunction by modulating Drp1-mediated mitochondrial fission and Ca homeostasis in a murine model of HFpEF

关键词： mitochondrial fission Ca Berberine alleviates myocardial murine model HFpEF

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Regulation of T cell immunity by cellular metabolism

null

《医学前沿（英文）》 2018年第12卷第4期页码 463-472 doi: 10.1007/s11684-018-0668-2

摘要：

T cells are an important adaptive immune response arm that mediates cell-mediated immunity. T cell metabolism plays a central role in T cell activation, proliferation, differentiation, and effector function. Specific metabolic programs are tightly controlled to mediate T cell immune responses, and alterations in T cell metabolism may result in many immunological disorders. In this review, we will summarize the main T cell metabolic pathways and the important factors participating in T cell metabolic programming during T cell homeostasis, differentiation, and function.

关键词： T cell immunity metabolic pathways nutrient uptake metabolic checkpoints

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Effect of K and Ca on catalytic activity of Mn-CeO

Boxiong SHEN, Lidan DENG, Jianhong CHEN

《环境科学与工程前沿（英文）》 2013年第7卷第4期页码 512-517 doi: 10.1007/s11783-013-0519-y

摘要： Mn-CeO /Ti-pillared clay (PILC) is an attractive catalyst for selective catalytic reduction of NO at low temperature because of its low cost. The poisoning of K and Ca on the catalyst of Mn-CeO /Ti-PILC is an important problem because K and Ca are always in presence in flue gas. To investigate the effect of K and Ca on the physicochemical characters of the catalysts, the techniques of NH -temperature programmed desorption (TPD), H -temperature programmed reduction (TPR), and X-ray photoelectron spectroscopy (XPS) were used to analyze the fresh and deactivated catalysts of Mn-CeO /Ti-PILC. (Ca)Mn-CeO /Ti-PILC and (K)Mn-CeO /Ti-PILC are denoted for the dopes of the catalyst of Mn-CeO /Ti-PILC with Ca and K, respectively. The activities of Mn-CeO /Ti-PILC, (Ca)Mn-CeO /Ti-PILC and (K)Mn-CeO /Ti-PILC for NH -selective catalytic reduction (SCR) reaction at low temperature were investigated. The results showed that with the dopes of K and Ca on the catalysts, the SCR activities of the catalysts decreased greatly, and K exhibited more poisoning effect than Ca. With the dopes of K and Ca, the acidity, the redox property and chemisorbed oxygen on the surfaces of the catalysts were decreased, which resulted in a decreasing in SCR activity.

关键词： Mn-CeO_x/Ti-pillared clay (PILC) low-temperature selective catalytic reduction (SCR) K and Ca poisoning effect

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Protective roles of heat stress on the neurons in hippocampal CA1 region of mice

WANG Chunxu, WANG Hanxing

《医学前沿（英文）》 2007年第1卷第4期页码 418-422 doi: 10.1007/s11684-007-0082-7

摘要： The effects of heat stress on the neurons in hippocampal CA1 region of brain ischemia/reperfusion were explored. The mice were pretreated with heat stress followed by ischemia/reperfusion by clipping bilateral cervical commo n arteries for 7 min. Mice were divided randomly into four groups as follows: (1) normal control group; (2) heat stress pretreated subsequent to ischemia/reperfusion group (HS/IR); (3) ischemia/reperfusion group (IR); and (4) heat stress group (HS). Animals in the last three groups were subdivided into three subgroups: 1 d, 4 d, 14 d respectively. The Morris water maze was used to test the ability of learning and memorizing, Nissl staining was used to count the average number of survived neurons in hippocampal CA1 region, and immunohistochemistry combined with image analysis system to detect the changes of Microtubule associated protein 2 (MAP-2) expression. The results showed that mice in IR group exhibited increased escape latency when compared with that of normal, HS and HS/IR groups (<0.01), and the mice in IR group adopted an inefficient search strategy, major in circling and restricted searching manners. Nissl staining results showed a significant reduction in the number of pyramidal neurons in hippocampal CA1 regions in HS/IR and IR groups, with a decrease in IR group (<0.01). Compared with normal group, the expression of MAP-2 in hippocampal CA1 region obviously decreased in IR group (<0.05). The present results indicate that heat stress pretreatment can improve the spatial learning and memorizing function through protection to hippocampal neurons.

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标题作者时间类型操作

Optimization of Land-use Based on the Theory of Cellular Automata and Value of Ecosystem Services

Lian-fu Jiang,Guo-xian Xu,Hao Jiang

期刊论文

Quantum-dot cellular automata based reversible low power parity generator and parity checker design for

Jadav Chandra DAS,Debashis DE

期刊论文

二维可控细胞自动机伪随机序列发生方法研究

朱保平,马骞,刘凤玉

期刊论文

基于元胞自动机的电阻存储器多比特固定型故障诊断