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Online since: March 2015
Authors: Yu Han Lin, Si Hui Dong, Min Li
The adjustment will affect the reliability and validity of the fire protection system of the existing supermarket.
So when a fire happens, the personnel in the supermarket would not evacuate out, and thus may cause a very serious loss of life and property.
The smoke extraction mode of the supermarket is mechanical smoke extraction, and the smoke extraction volume is 35200 m3/h. 2.2.2 Analysis about fire simulation results Through software simulation, the flue gas temperature, visibility, flue gas heat radiation and other factors in different locations and at different times can be obtained.
The smallest time in which a dangerous state arrives firstly among the factors is chosen the time ASET.
Visibility, temperature and toxicity of smoke are chosen as the judgement factors of safe evacuation
Online since: March 2012
Authors: Yu Chen, Rui Bo Hu, Xi Ye
In the 1960 s, the bionics was established as a subject, the development of science and technology combined with the design style of the diversity of products meets the consumer of the form, the future of the diverse needs of design will pay more attention to product individuation, temperament and factors, bionic design will become future product modeling design is one of the important methods.
Design personnel of creativity, usually have observation, memory, imagination, expression force and self-control, etc DuoZhong create a factor, the creativity is the function of variables, create factor any create factor improvement of related to the improvement of the creativity, and design personnel of high and low and creativity into full play, not only directly affect the quality of product design, but also related to the economic benefit of enterprise.
Therefore, should be designed according to the natural and social properties in ecological design, the flexibility and adaptability to satisfy the individual needs delete.
Research on biological structure form, in the perceptual knowledge, and on the basis of factors, and remove irrelevant simplifies, through the analysis to find its in design and use of place is worth using for reference [12]. (5) motion analysis.
[2] The mechanical nets http://www.xn-fiqw8jfru01b.com/aspxInfold=618
Online since: April 2009
Authors: Ignacy Jakubowicz, Nazdaneh Yarahmadi
Equally important was to determine the overall order and morphology of the system to provide a basic understanding of these materials and ultimately find the optimum mechanical properties.
The solution could be polymer-layered silicate nanocomposites (PNCs), which have been repeatedly reported [1, 2] to significantly improve mechanical and physical properties.
The mechanical properties of PP, such as stiffness and ductility, are strongly affected by its degree of crystallinity, which depends not only on tacticity, but is also influenced by thermal history.
The area of cryofracture was coated with gold. 3.4 Mechanical tests In this study, our interest was mainly in specific end-user requirements, which were defined in terms of mechanical properties and fire resistance.
We used an Instron 5566 Universal Testing Machine to measure the mechanical properties.
Online since: January 2026
Authors: P. Amar Amaravathy, J. Deepalakshmi, V. S. Simi, P. Nagapandiselvi
Alternatively, metallic stents such as stainless steel, Nickel-Titanium alloy (Ni-Ti), Cobalt-Chromium (Co-Cr) alloy and Tantalum alloy are used as coronary artery stents due to their high mechanical properties [2].
Moreover, they possess superior mechanical properties compared to polymeric materials [10, 11].
Magnesium alloys have emerged as promising candidates for biodegradable stents due to their excellent mechanical properties, biocompatibility and biodegradability [12].
The chitosan which is a hydrophilic polymer, relaxes and swell over time period of 162 h, affecting the release kinetics.
Further investigations such as mechanical properties, adhesive properties and osseointegration studies are needed to evaluate the proposed coating through mechanical test, adhesion test and cell culture studies and in vivo animal studies to successfully implement the magnesium materials for temporary implant applications.
Online since: November 2014
Authors: R. Rajeswari, R. Jothilakshmi
The unique properties of MNPs which make them to be widely used for medical purposes are their surface to mass ratio, quantum properties, chemical, electrical and magnetic properties.
Various techniques such as Molecular Dynamics (MD), Ab Initio methods and Monte Carlo simulations (MC) are available to obtain the information and predict the mechanical, chemical, electrical, optical and biological properties of nanoparticles [7].
MNPs for drug delivery 2.1.Properties of MNPs.
The size of MNPs also affects drug release.
The magnetic transport and MNP based drug carrier and delivery of drugs at the target site depends on a number of factors including magnetic force, interactivity, inertia, buoyancy, thermal kinetics and other characteristics.
Online since: July 2014
Authors: Zhen Hua Xie, Ting Ting Luan, Sha Sha Liang
“Investigation of method for determining factors weights in evaluating slope stability based on rough set theory” is published by Guangyue Wang, Haili Cui and Qian Li in 2009[5].
Then, to have knowledge reduction, to delete the object with same attribute values, namely repetitive data lines, to make equivalence partitioning for discourse domain according to the condition attributes and decision attributes, after getting rid of some properties, if the change of relevant classification is bigger, it indicated that the properties importance is higher; On the other hand, it shows that the properties importance is lower.
Dump landslide is the most common occurrence and the highest frequency in dump disaster, however, there are many factors to affect the stability of dump slope, on the basis of both research results and data information from references, to select slope unit weight, cohesion, internal friction angle, slope angle, slope height, Pore pressure ratio as landslide evaluation indicators of opencast mine dump.
In terms of slope protection, we should focus on the impact of the major factors.
Mechanical Management and Development, 2007, pp.4-6 [9] WANG Yun-ming, XIANG Hong-hai.
Online since: February 2007
Authors: Genki Yagawa, Katsuyuki Shibata, Yasuhiro Kanto, Shinobu Yoshimura
The input transient and material properties by NRC/EPRI PTS benchmark study [50] were used in the analysis.
(1) Influence of semi-elliptical crack extension method (2) Material properties (Cu and Ni contents, and initial RTNDT) In these analyses, the input condition in Table 3 was used except for material properties.
The material properties for the analysis (1) and (2) are shown in Table 4
(2) Result on material properties (Cu and Ni contents and initial RTNDT) The influence of material properties was investigated.
The properties of Material 1 and Material 2 used in the analysis are compared in Table 4.
Online since: August 2012
Authors: Adam Niesłony, Michał Böhm
The paper deals with a comparison of fatigue life calculations, obtained on the basis of classical Basquin diagrams and approximated diagrams acquired with the use of the section method, which allows us to fit the diagrams shape to real material properties.
Introduction Mechanical fatigue of the material is a process resulting from a time varying load and manifested by the loss of cohesion of the material and its ability to carry loads.
This is the simplest practical case in which the particular role is played by the quality of the fit to the actual characteristics of the fatigue properties of the material.
Observations and conclusions The application of experimental fatigue diagrams approximated with the section method in the process of fatigue determination affected the accuracy of the calculated results.
Factor of safety and working stress.
Online since: April 2016
Authors: Yan Mo, Dong Zhe Wang, Bin Jiang, Yong You Li, Hai Ding Liu, Chun Guang Wang, Jin Tai Wang
Difference in corrosion potential between the fusion zone, heat-affected zone and base metal in an alloy 718 weld was the key factor for galvanic corrosion.
Other factors also have important influences on corrosion property, such as composition, pH value and so on [7,10].
Purchasing agents often define standards of chemical composition and mechanical property in the Technology Agreement, but only give a vague description of grain size.
Solidification is also considered as the crucial processing for grain growth with the greatest impact to mechanical properties.
The properties of the passive films seem improved with grain size.
Online since: October 2013
Authors: Mauro Sassu, Linda Giresini, Alessandro Gioeli
The present work assesses the seismic restoration of a primary school in Arcola (Italy) made by a r.c. framework, built in the 60s and affected by high seismic vulnerability.
The steel tubes in a biaxial state of stress, as in the lower part of the columns, involve dissipative properties [3] [4].
It means that they are able to resist a seismic action calculated for a new building with life of 100 years, usage class III, C=1.5, behavior factor q=2.0 (Italian NTC 2008 Structural Norm), associated to concentric bracings with tension and compression diagonals (low ductility class) as in Fig.4.
Mechanical behavior of full unit masonry panels under fire action.
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