Autor: Cao, W. - Prolib Integro

Skocz do pozycji: 1.

Tytuł:: Plantar pressure analysis of above-knee amputee with a developed microprocessor-controlled prosthetic knee
Autorzy:: Cao, W.
Yu, H.
Meng, Q.
Li, S.
Tematy:: ciśnienie podeszwowe
proteza stawu kolanowego
analiza chodu
plantar pressure
above-knee amputee
microprocessor-controlled
prosthetic knee
gait analysis; Pokaż więcej
Wydawca:: Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Powiązania:: https://bibliotekanauki.pl/articles/306983.pdf Link otwiera się w nowym oknie
Opis:: Human gait motion analysis was one useful method for lower limb prosthesis study. The most often measured parameters were plantar pressure, kinetic and kinematic parameters. It was indispensable for prosthetic knee design and performance assessment. The aim of this study was to analysis the plantar pressure in traumatic above-knee amputee equipped with a developed microprocessor-controlled prosthetic knee. Methods: The maximum force of forefoot and rearfoot, the average vertical reaction force and pressure and the centre of pressure (COP) offset trajectories of ten above-knee amputees under different walking speeds were obtained. Results: Both forefoot and rearfoot force were bigger in intact leg than prosthetic leg. As the speed increased, the pressure increased in both sides. Forefoot bore more pressure than rearfoot in both legs. The average vertical pressure and force both increased along with the increase of speed. The force and pressure of intact side were always bigger than the prosthetic side. The trend of COP and gait line of the prosthetic and intact side had no significant difference. The length of the gait line of prosthetic side was greater than the intact side. Conclusions: The results of this study exhibited reduced plantar pressure in the prosthetic side. The typical butterfly diagrams were produced during different walking speeds. It indicated that the stability of the microprocessor-controlled prosthetic knee could be guaranteed.
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Electrostatic Hazards Assessment of Nitramine Explosives: Resistivity, Charge Accumulation and Discharge Sensitivity
Autorzy:: Peng, Q.
Cao, W.
Zhou, W.
He, Z.
Jiang, W.
Chen, W.
Tematy:: nitramine explosives
electrostatic hazards
resistivity
charging characteristics
electrostatic discharge sensitivity; Pokaż więcej
Wydawca:: Sieć Badawcza Łukasiewicz - Instytut Przemysłu Organicznego
Powiązania:: https://bibliotekanauki.pl/articles/358757.pdf Link otwiera się w nowym oknie
Opis:: The electrostatic hazards of nitramine explosives (RDX, HMX) were assessed in this paper. The resistivities of different particle-size RDX and HMX were tested by a device designed and manufactured according to the standard ISO/IEC 80079-20-2:2016. This work shows that the resistivities of uncompacted RDX and HMX increase as the particle size decreases. Charging characteristics test experiments were also carried out using a so-called sieve method. Using this method, the influence of aperture size on charge accumulation of RDX was studied, and the characteristics of electrostatic accumulation of different particle-size RDX and HMX sieved with 50 mesh standard sieve were compared. The results show that the absolute value of the charge accumulation increases as the mesh number increases (i.e. the aperture size decreases), and increases as the particle size is decreased, indicating that nano-sized RDX and nano-sized HMX accumulate static electricity more easily than conventional micron-sized ones. Finally, the electrostatic discharge (ESD) sensitivity of nano-sized RDX and nano-sized HMX was investigated. Nano-sized nitramine explosives were found to have a higher ESD sensitivity than micron-sized ones.
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Adaptive robust simultaneous stabilization controller with tuning parameters design for two dissipative Hamiltonian systems
Autorzy:: Cao, Z.
Hou, X.
Zhao, W.
Tematy:: ARSS control
DHSs
symbolic computation
controller parameterization
tuning parameters; Pokaż więcej
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Powiązania:: https://bibliotekanauki.pl/articles/229883.pdf Link otwiera się w nowym oknie
Opis:: This paper investigates the problem of adaptive robust simultaneous stabilization (ARSS) of two dissipative Hamiltonian systems (DHSs), and proposes a number of results on the controller parameterization design. Firstly, an adaptive H_∞ control design approach is presented by using the dissipative Hamiltonian structural for the case that there are both external disturbances and parametric uncertainties in two DHSs. Secondly, an algorithm for solving tuning parameters of the controller is proposed using symbolic computation. The proposed controller parameterization method avoids solving Hamilton-Jacobi-Issacs (HJI) equations and the obtained controller is easier as compared to some existing ones. Finally, an illustrative example is presented to show that the ARSS controller obtained in this paper works very well.
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 4.

Tytuł:: Risk of the maritime supply chain system based on interpretative structural model
Autorzy:: He, J.
Xiong, W.
Cao, Y.
Tematy:: interpretative structural mode
maritime supply chain risk
system structure; Pokaż więcej
Wydawca:: Politechnika Gdańska. Wydział Inżynierii Mechanicznej i Okrętownictwa
Powiązania:: https://bibliotekanauki.pl/articles/258536.pdf Link otwiera się w nowym oknie
Opis:: Marine transportation is the most important transport mode of in the international trade, but the maritime supply chain is facing with many risks. At present, most of the researches on the risk of the maritime supply chain focus on the risk identification and risk management, and barely carry on the quantitative analysis of the logical structure of each influencing factor. This paper uses the interpretative structure model to analysis the maritime supply chain risk system. On the basis of comprehensive literature analysis and expert opinion, this paper puts forward 16 factors of maritime supply chain risk system. Using the interpretative structure model to construct maritime supply chain risk system, and then optimize the model. The model analyzes the structure of the maritime supply chain risk system and its forming process, and provides a scientific basis for the controlling the maritime supply chain risk, and puts forward some corresponding suggestions for the prevention and control the maritime supply chain risk.
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 5.

Tytuł:: A conceptual model of excellent performance mode of port enterprise logistics management
Autorzy:: He, J.
Xiong, W.
Cao, Y.
Tematy:: port enterprises
performance excellence model
logistics management; Pokaż więcej
Wydawca:: Politechnika Gdańska. Wydział Inżynierii Mechanicznej i Okrętownictwa
Powiązania:: https://bibliotekanauki.pl/articles/260102.pdf Link otwiera się w nowym oknie
Opis:: Port as one of the key hubs of international logistics, which has become the main part and the base of global logistics management. The port enterprises, plays an important role in the global supply chain. However, due to the lack of understanding in port supply chain management, coordination between the port enterprises, the integration of business process is not perfect, the lack of information sharing between various organizations, ports enterprises usually failed to fully play its positive role. Based on this, the paper makes the port enterprises as the research object, and introduces the excellent performance mode into the port enterprises. In order to study the port enterprises how to carry out effective quality management, and formation the coordination and integration of upstream and downstream of enterprises, so as to realize the competitive advantage in port logistics.
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 6.

Tytuł:: Observation and Control of Interfacial Defects in ZnO/ZnSe Coaxial Nanowires
Autorzy:: Bhutto, W.
Wu, Z.
Cao, Y.
Wang, W.
Kang, J.
Tematy:: 62.23.Hj
61.46.Km
64.70.Nd
68.35.Ct; Pokaż więcej
Wydawca:: Polska Akademia Nauk. Instytut Fizyki PAN
Powiązania:: https://bibliotekanauki.pl/articles/1361939.pdf Link otwiera się w nowym oknie
Opis:: ZnO/ZnSe coaxial nanowires with different ZnO core diameters were synthesized by using a two-step chemical vapor deposition. The scanning electron microscopy images demonstrated that the coaxial nanowires with small ZnO core diameter had the smoother surface than that with large ZnO core diameter. A coherent ZnSe layer with wurtzite structure was observed in the nanowire interface between the ZnO core and the ZnSe shell by high resolution transmission electron microscopy. This coherent layer is beneficial to reduce the defect density and improve the crystal quality by suppressing the phase transition. It was found that the coherent thickness was significantly related to the ZnO core diameter. For the nanowire with large ZnO core, a thin critical thickness of 2 - 3 nm was obtained. As a result, a layer of zinc blende ZnSe appeared outside the nanowire, and a lot of defects existed in the interface between the ZnSe layers with different phase structures. For the nanowire with small ZnO core, however, the critical thickness increased and a coherent coaxial structure was observed with the same lattice spacing in the ZnO core and the ZnSe shell. To obtain defect-free coaxial nanowire, an optimal structure was also proposed by theoretical calculation.
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 7.

Tytuł:: The least eigenvalue of the graphs whose complements are connected and have pendent paths
Autorzy:: Wang, C.
Yu, G.
Sun, W.
Cao, J.
Tematy:: graph
complement
pendent path
adjacency matrix
least eigenvalue; Pokaż więcej
Wydawca:: Społeczna Akademia Nauk w Łodzi. Polskie Towarzystwo Sieci Neuronowych
Powiązania:: https://bibliotekanauki.pl/articles/91753.pdf Link otwiera się w nowym oknie
Opis:: The adjacency matrix of a graph is a matrix which represents adjacent relation between the vertices of the graph. Its minimum eigenvalue is defined as the least eigenvalue of the graph. Let Gn be the set of the graphs of order n, whose complements are connected and have pendent paths. This paper investigates the least eigenvalue of the graphs and characterizes the unique graph which has the minimum least eigenvalue in Gn.
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 8.

Tytuł:: Influence of controlled dispersion on rheology of swelling clay suspensions in the presence of coal flotation reagents
Autorzy:: Zhang, M.
Cao, Y.
Chen, Y.
Yu, W.
Tematy:: swelling clay
rheological properties
controlled dispersion
flotation reagents; Pokaż więcej
Wydawca:: Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Powiązania:: https://bibliotekanauki.pl/articles/110619.pdf Link otwiera się w nowym oknie
Opis:: Swelling clay minerals, which are innately capable of dispersing into thin flakes in water, can significantly depress coal flotation. Some researchers partially attribute depression to pulp viscosity increments. This study sought to understand the role of swelling clay minerals in fine coal flotation, by investigating the rheological behavior of bentonite suspensions under controlled and uncontrolled dispersion conditions. The effect of collector, frother, and solution pH on rheological properties of the pulp was studied. Findings showed that at a natural pH, Newtonian flow properties were displayed when bentonite was directly added into a swelling suppressed solution containing calcium ions. The same process was repeated under uncontrolled conditions, and the suspensions transferred from Newtonian to non-Newtonian flows with pseudo-plastic characteristics, depending on the solid density. Further, pH value, methyl isobutyl carbinol (MIBC) and kerosene had the potential to alter the rheological behavior of controlled and uncontrolled systems, especially pH value in the uncontrolled system.
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 9.

Tytuł:: Influence of alpha and gamma radiolysis on Pu retention in the solvent TBP/kerosene
Autorzy:: Gao, Y
Zheng, W.
Cao, X.
Chen, S.
Tematy:: purex process
TBP solvent
alpha radiolysis
gamma radiolysis
Pu retention; Pokaż więcej
Wydawca:: Instytut Chemii i Techniki Jądrowej
Powiązania:: https://bibliotekanauki.pl/articles/148296.pdf Link otwiera się w nowym oknie
Opis:: In light of the issue of radiolysis of the solvent system in PUREX process, alpha and gamma radiation stability of tributyl phosphate (TBP)/kerosene (OK) have been studied in this paper, in which 238Pu dissolved in the organic phase and 60Co are selected as alpha and gamma irradiation sources, respectively. The amount of the degradation products not easily removed after the washing process has been measured by the plutonium retention. The effects of the absorbed dose, the TBP volume fraction, the cumulative absorbed dose and the presence of UO2 2+ and Zr4+ on the radiolysis of the solvents have been investigated. The results have indicated that the Pu retention increases with the increase of the absorbed dose after alpha or gamma irradiation, and is larger for the solvent containing less TBP. There is competition between UO2 2+ and Pu4+ to complex with the degradation products, and Zr4+ accelerates the radiolysis of the system.
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 10.

Tytuł:: Social Responsibility, Internal Governance and Manufacturing Growth
Odpowiedzialność społeczna, zarządzanie wewnętrzne a wzrost produkcji
Autorzy:: Cao, Y.
You, J.
Shi, Y.
Hu, W.
Tematy:: social responsibility
internal governance
manufacturing growth
structural equation model
odpowiedzialność społeczna
zarządzanie wewnętrzne
wzrost produkcji
model równania strukturalnego; Pokaż więcej
Wydawca:: Polska Akademia Nauk. Komitet Człowiek i Środowisko PAN
Powiązania:: https://bibliotekanauki.pl/articles/371042.pdf Link otwiera się w nowym oknie
Opis:: This article presents a structural equation model for exploring the impact of social responsibility, which been divided into responsibility for the internal stakeholder and responsibility for the external stakeholder, as well as internal governance on Chinese manufacturing growth on the basis of data collected from 500 manufacturing enterprises in the East region of China. Our results show that both social responsibility and internal governance have a positive impact on manufacturing growth and promote sustainable development in manufacturing. In addition, social responsibility has a positive impact on internal governance, and the internal governance plays a partial intermediary role in the impact of social responsibility on manufacturing growth. These findings signify that it is important for Chinese Manufacturing to undertake Social Responsibility, and it can provide a beneficial guidance for Chinese Manufacturing Growth and help strengthen the competitive advantage of manufacturing industry.
Artykuł przedstawia model równania strukturalnego odnoszący się do społecznej odpowiedzialności, wyróżniając w jej ramach odpowiedzialność za wewnętrznego oraz zewnętrznego akcjonariusza i wewnętrzne zarządzanie w kontekście wzrostu produkcji w Chinach, w oparciu o informacje uzyskane z 500 firm pochodzących ze wschodniej części kraju. Przeprowadzona analiza pokazuje, że zarówno społeczna odpowiedzialność, jak i wewnętrzne zarządzanie, mają pozytywny wpływ na wzrost produkcji i promocję zrównoważonego wytwarzania. Ponadto społeczna odpowiedzialność ma pozytywny wpływ na wewnętrzne zarządzanie, a w oddziaływaniu społecznej odpowiedzialności na wzrost produkcji, wewnętrzne zarządzane odgrywa po części rolę pośrednika. Uzyskane rezultaty wskazują, że społeczna odpowiedzialność jest ważna, może pełnić rolę dobrego doradcy w kontekście wzrostu chińskiej produkcji i pomóc w zwiększeniu konkurencyjnej przewagi dla przemysłu wytwórczego.
Dostawca treści:: Biblioteka Nauki

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