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Modeling and analysis of controllable output property of cantilever-beam inertial sensors based on magnetic

Guixiong LIU, Peiqiang ZHANG, Chen XU

Frontiers of Mechanical Engineering 2009, Volume 4, Issue 2,   Pages 129-133 doi: 10.1007/s11465-009-0035-8

Abstract: Based on the property of the cantilever-beam and the novel controllable mag-viscosity of magnetic fluid, the output of cantilever-beam sensors is under control so that the controllable output of the sensorsThe result shows that it is valid to realize the controllable output of the sensors by controlling the

Keywords： sensors     magnetic fluid     property of mag-viscosity     controllable output    

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A chemical etching route to controllable fabrication of TiO

Weixin ZHANG, Jie XING, Zeheng YANG, Mei KONG, Hongxu YAO

Frontiers of Chemical Science and Engineering 2013, Volume 7, Issue 2,   Pages 192-201 doi: 10.1007/s11705-013-1319-4

Abstract: The TiO hollow nanospheres with diameters of about 230 nm were prepared by a simple and controllable

Keywords： TiO2     hollow nanospheres     rhodamine B     photocatalytic activity    

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Size-controllable synthesis of monodispersed nitrogen-doped carbon nanospheres from polydopamine for

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 11,   Pages 1788-1800 doi: 10.1007/s11705-023-2326-8

Abstract: Monodispersed nitrogen-doped carbon nanospheres with tunable particle size (100–230 nm) were synthesized via self-polymerization of biochemical dopamine in the presence of hexamethylenetetramine as a buffer and F127 as a size controlling agent. Hexamethylenetetramine can mildly release NH3, which in turn initiates the polymerization reaction of dopamine. The carbon nanospheres obtained exhibited a significant energy storage capability of 265 F·g–1 at 0.5 A·g–1 and high-rate performance of 82% in 6 mol·L–1 KOH (20 A·g–1), which could be attributed to the presence of abundant micro-mesoporous structure, doped nitrogen functional groups and the small particle size. Moreover, the fabricated symmetric supercapacitor device displayed a high stability of 94% after 5000 cycles, revealing the considerable potential of carbon nanospheres as electrode materials for energy storage.

Keywords： carbon nanospheres     size-controlled     nitrogen-doped     high-rate     supercapacitors    

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Two-dimensional Controllable Cellular Automata BasedPseudo Random Bit Sequence Generator

Zhu Baoping,Ma Qian,Liu Fengyu

Strategic Study of CAE 2007, Volume 9, Issue 6,   Pages 43-47

Abstract:

A novel cellular automata (CA) — two-dimensional controllable CA According to characteristics of two-dimensional controllable CA,  a pseudo random generatingmethod based on two-dimensional controllable CA with a trapezoidal structure is presented.nbsp;Simulation demonstrates that pseudo random bit sequence generator based on the two-dimensional controllable

Keywords： cellular automata     pseudorandom number generators     controllable     cryptography    

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Frequency-controlable sine signal based on PWM and its implementation on FPGA

Lianzhen HUANG, Jiangang LI, Dongjun ZHANG

Frontiers of Mechanical Engineering 2012, Volume 7, Issue 3,   Pages 322-328 doi: 10.1007/s11465-012-0312-9

Abstract:

A sine generation method that the different frequent sine signals can be generated by the different Pulse-Width Modulation (PWM) signals generated by Field-Programmable Gate Array (FPGA) through low-pass filter of fixed parameters was proposed. The method just takes a few FPGA resources and was proved feasible by the theory. The experiment results and theory analysis tally.

Keywords： Pulse-Width Modulation (PWM)     Field-Programmable Gate Array (FPGA)     frequency controllable    

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Development of a Novel Feedforward Neural Network Model Based on Controllable Parameters for Predicting Article

Zihao Zhao, Zihao Wang, Jialuo Yuan, Jun Ma, Zheling He, Yilan Xu, Xiaojia Shen, Liang Zhu

Engineering 2021, Volume 7, Issue 2,   Pages 195-202 doi: 10.1016/j.eng.2020.07.027

Abstract: better prediction and control of effluent TN concentration, an efficient prediction model, based on controllableprevious models, this model has two main characteristics: ① Superficial gas velocity and anoxic time are controllable

Keywords： Feedforward neural network (FFNN)     Algorithms     Controllable operation parameters     Sequencing batch reactor    

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Controllable synthesis of a large TS-1 catalyst for clean epoxidation of a C=C double bond under mild

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 6,   Pages 772-783 doi: 10.1007/s11705-022-2280-x

Abstract: Development of a titanium silicalite-1 (TS-1) catalyst with good crystallinity and a four-coordinate Ti framework is critical for efficient catalytic oxidation reaction under mild conditions. Herein, a size-controlled TS-1 zeolite (TS-1#0.1ACh (acetylcholine)) was synthesized via steam-assisted crystallization by introducing acetylcholine as a crystal growth modifier in the preparation process, and TS-1#0.1ACh was also employed in epoxidations of different substrates containing C=C double bonds. The crystalline sizes of the as-synthesized TS-1#0.1ACh catalysts were controlled with the acetylcholine content, and characterization results showed that the particle sizes of highly crystalline TS-1#0.1ACh zeolite reached 3.0 μm with a good Ti framework. Throughout the synthetic process, the growth rate of the crystals was accelerated by electrostatic interactions between the connected hydroxyl groups of the acetylcholine modifier and the negatively charged skeleton of the pre-zeolites. Furthermore, the TS-1#0.1ACh catalyst demonstrated maximum catalytic activity, good selectivity and high stability during epoxidation of allyl chloride. Importantly, the TS-1#0.1ACh catalyst was also highly versatile and effective with different unsaturated substrates. These findings may provide novel, easily separable and large TS-1 catalysts for efficient and clean industrial epoxidations of C=C double bonds.

Keywords： size-controlled TS-1     crystal modifier     steam-assisted crystallization     epoxidation    

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Phenolic rigid organic filler/isotactic polypropylene composites. I. Preparation

QI Dongming, YANG Lei, WU Minghua, LIN Heming, NITTA Kohhei

Frontiers of Chemical Science and Engineering 2008, Volume 2, Issue 3,   Pages 236-241 doi: 10.1007/s11705-008-0034-z

Abstract: Thus, a series of PP/KT composites with controllable filler particles size and narrow size distribution

Keywords： morphology     concentration     tendency     controllable     addition    

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Shape/size controlling syntheses, properties and applications of two-dimensional noble metal nanocrystals

Baozhen An,Mingjie Li,Jialin Wang,Chaoxu Li

Frontiers of Chemical Science and Engineering 2016, Volume 10, Issue 3,   Pages 360-382 doi: 10.1007/s11705-016-1576-0

Abstract: Two dimensional (2D) nanocrystals of noble metals (e.g., Au, Ag, Pt) often have unique structural and environmental properties which make them useful for applications in electronics, optics, sensors and biomedicines. In recent years, there has been a focus on discovering the fundamental mechanisms which govern the synthesis of the diverse geometries of these 2D metal nanocrystals (e.g., shapes, thickness, and lateral sizes). This has resulted in being able to better control the properties of these 2D structures for specific applications. In this review, a brief historical survey of the intrinsic anisotropic properties and quantum size effects of 2D noble metal nanocrystals is given and then a summary of synthetic approaches to control their shapes and sizes is presented. The unique properties and fascinating applications of these nanocrystals are also discussed.

Keywords： two-dimension     noble metal     nanocrystal     surface plasmon     controllable synthesis    

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Study on the Development of China’s Cyberspace Security Industry

An Da, Liang Zhihao, Xu Shouren

Strategic Study of CAE 2016, Volume 18, Issue 4,   Pages 38-43 doi: 10.15302/J-SSCAE-2016.04.006

Abstract:

The paper summarizes the development situation and experiences of the Chinese cyberspace security industry during the 12th Five-Year Plan, analyzes its new development trends, and proposes policy suggestions for the industry development to provide a reference for cyberspace security industry during the 13th Five-Year Plan.

Keywords： cyberspace security     cyberspace security industry     independent and controllable     standards    

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Development Strategy of Key Materials for Information Display in China

Peng Shou , Hong Wei , Qin Xusheng , Jiang Wenjiu , Huang Yi

Strategic Study of CAE 2022, Volume 24, Issue 4,   Pages 85-93 doi: 10.15302/J-SSCAE-2022.04.009

Abstract: Therefore, it is urgent to improve the independent and controllable ability for the industry chain and100–400 ℃), and tensile strength greater than 300 MPa; and (4) studying the molecular design and controllable

Keywords： information display     key materials for information display     autonomous and controllable     industrial chain    

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Experimental study on high-efficiency polishing for potassium dihydrogen phosphate (KDP) crystal by using two-phase air–water fluid

Ziyuan LIU, Hang GAO, Dongming GUO

Frontiers of Mechanical Engineering 2020, Volume 15, Issue 2,   Pages 294-302 doi: 10.1007/s11465-019-0576-4

Abstract: In the proposed method, controllable deliquescence is implemented without any chemical impurity.Controllable deliquescence can easily be disrupted once the RH fluctuates, which therefore needs to be

Keywords： potassium dihydrogen phosphate (KDP) crystal     controllable deliquescence     two-phase air–water fluid     high-efficiency    

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Controllable Fe/HCS catalysts in the Fischer-Tropsch synthesis: Effects of crystallization time

Yifei Wang, Shouying Huang, Xinsheng Teng, Hongyu Wang, Jian Wang, Qiao Zhao, Yue Wang, Xinbin Ma

Frontiers of Chemical Science and Engineering 2020, Volume 14, Issue 5,   Pages 802-812 doi: 10.1007/s11705-019-1866-4

Abstract: The Fischer–Tropsch synthesis (FTS) continues to be an attractive alternative for producing a broad range of fuels and chemicals through the conversion of syngas (H and CO), which can be derived from various sources, such as coal, natural gas, and biomass. Among iron carbides, Fe C, as an active phase, has barely been studied due to its thermodynamic instability. Here, we fabricated a series of Fe C embedded in hollow carbon sphere (HCS) catalysts. By varying the crystallization time, the shell thickness of the HCS was manipulated, which significantly influenced the catalytic performance in the FTS. To investigate the relationship between the geometric structure of the HCS and the physic-chemical properties of Fe species, transmission electron microscopy, X-ray diffraction, N physical adsorption, X-ray photoelectron spectroscopy, hydrogen temperature-programmed reduction, Raman spectroscopy, and Mössbauer spectroscopy techniques were employed to characterize the catalysts before and after the reaction. Evidently, a suitable thickness of the carbon layer was beneficial for enhancing the catalytic activity in the FTS due to its high porosity, appropriate electronic environment, and relatively high Fe C content.

Keywords： Fischer–Tropsch synthesis     Fe-based catalyst     Fe2C     hollow carbon sphere     crystallization time    

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Development of Security Protection Technologies for Industrial Control System

Sun Yanbin, Wang Hongyi, Tian Zhihong , Fang Binxing

Strategic Study of CAE 2023, Volume 25, Issue 6,   Pages 126-136 doi: 10.15302/J-SSCAE-2023.06.008

Abstract: and key tasks and key technology research paths are as follows: establishing an autonomous and controllable

Keywords： industrial control system     security protection     autonomous and controllable     new security-protection    

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Development Trend and Path of Industrial Internet Security Industry in China

Wang Qiuhua, Wu Guohua, Wei Dongxiao, Miao Gongxun, Xu Yanfei, Ren Yizhi

Strategic Study of CAE 2021, Volume 23, Issue 2,   Pages 46-55 doi: 10.15302/J-SSCAE-2021.02.007

Abstract:

Industrial Internet security is a prerequisite and guarantee for the high-quality development of China’s industrial Internet industry; it is also important for enhancing China’s cyber and manufacturing industries. This study aims at the future development of the industrial Internet security industry in China. First, we analyze the development status of the industry in terms of industrial policies, standards system, industrial structure, and industrial scale. Subsequently, we elaborate on the opportunities and trends of the industry and propose the development path for the next-generation industrial Internet security industry in China. To explore a sustainable development path suitable for China’s industrial Internet security industry, top-level design and policy guidance should be enhanced; technological innovation and transformation should be reinforced; advantages of enterprises and organizations should be complemented to construct a healthy development ecosystem; the security and stability of the supply chain should be emphasized; and personnel training and team building should be promoted to support the research collaboration among government, industry, universities, research institutes, and application. 
 

Keywords： industrial Internet security     industry ecosystem     classified protection of cybersecurity     independent and controllable    

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Title Author Date Type Operation

Modeling and analysis of controllable output property of cantilever-beam inertial sensors based on magnetic

Guixiong LIU, Peiqiang ZHANG, Chen XU

Journal Article

A chemical etching route to controllable fabrication of TiO

Weixin ZHANG, Jie XING, Zeheng YANG, Mei KONG, Hongxu YAO

Journal Article

Size-controllable synthesis of monodispersed nitrogen-doped carbon nanospheres from polydopamine for

Journal Article

Two-dimensional Controllable Cellular Automata BasedPseudo Random Bit Sequence Generator

Zhu Baoping,Ma Qian,Liu Fengyu

Journal Article

Frequency-controlable sine signal based on PWM and its implementation on FPGA

Lianzhen HUANG, Jiangang LI, Dongjun ZHANG

Journal Article

Development of a Novel Feedforward Neural Network Model Based on Controllable Parameters for Predicting

Zihao Zhao, Zihao Wang, Jialuo Yuan, Jun Ma, Zheling He, Yilan Xu, Xiaojia Shen, Liang Zhu

Journal Article

Controllable synthesis of a large TS-1 catalyst for clean epoxidation of a C=C double bond under mild

Journal Article

Phenolic rigid organic filler/isotactic polypropylene composites. I. Preparation

QI Dongming, YANG Lei, WU Minghua, LIN Heming, NITTA Kohhei

Journal Article

Shape/size controlling syntheses, properties and applications of two-dimensional noble metal nanocrystals

Baozhen An,Mingjie Li,Jialin Wang,Chaoxu Li

Journal Article

Study on the Development of China’s Cyberspace Security Industry

An Da, Liang Zhihao, Xu Shouren

Journal Article

Development Strategy of Key Materials for Information Display in China

Peng Shou , Hong Wei , Qin Xusheng , Jiang Wenjiu , Huang Yi

Journal Article

Experimental study on high-efficiency polishing for potassium dihydrogen phosphate (KDP) crystal by using two-phase air–water fluid

Ziyuan LIU, Hang GAO, Dongming GUO

Journal Article

Controllable Fe/HCS catalysts in the Fischer-Tropsch synthesis: Effects of crystallization time

Yifei Wang, Shouying Huang, Xinsheng Teng, Hongyu Wang, Jian Wang, Qiao Zhao, Yue Wang, Xinbin Ma

Journal Article

Development of Security Protection Technologies for Industrial Control System

Sun Yanbin, Wang Hongyi, Tian Zhihong , Fang Binxing

Journal Article

Development Trend and Path of Industrial Internet Security Industry in China

Wang Qiuhua, Wu Guohua, Wei Dongxiao, Miao Gongxun, Xu Yanfei, Ren Yizhi

Journal Article