نتایج جستجو برای: synthetic rubber
تعداد نتایج: 158366 فیلتر نتایج به سال:
The rubber-hand illusion (RHI), an illusion in which tactile sensations are referred to a synthetic alien limb, is enhanced in schizophrenia patients. Somatosensory evoked responses of the illusion were compared between schizophrenia patients and normal control subjects. Schizophrenia patients had significant alterations in long latency evoked responses during the illusion. These findings suppo...
The primary purpose of this study was to characterize the concentrations of volatile organic compounds (VOC), semivolatile organic compounds (SVOC), rubber-related chemicals such as benzothiazole (BZT) and nitrosamine, and particulate matter (PM(10)) in air at synthetic turf crumb rubber fields. Both new and older fields were evaluated under conditions of active use. Three types of fields were ...
in this study an empirical model which can be used to predict the rutting parameter (g*/sinδ) for neat and powder rubber modified bitumen describes. the model was developed using 36 unique powder rubber modified bitumen combinations, rubber concentrations were varied at 5% intervals between 5 and 20%. the effects of powder rubber particle size on model accuracy were also studied ultimately a mo...
The direct evidence of Radar Target Recognition is the backscatter energy and its distribution of objects, which is concluded by imaging process of Synthetic Aperture Radar (SAR) in the two-dimension image domain. So the issues about Automatic Target Recognition (ATR) of SAR are often a "post-process" following SAR imaging. A method of target detection in the state of non-imaging based on analy...
Gordonia polyisoprenivorans strain VH2, a potent rubber-degrading actinomycete, harbors two latex clearing proteins (Lcps), which are known to be essential for the microbial degradation of rubber. However, biochemical information on the exact role of this protein in the degradation of polyisoprene was lacking. In this study, the gene encoding Lcp1VH2 was heterologously expressed in strains of E...
Polymer latexes are being increasingly used in the construction industry as modifiers, especially in hydraulic cement concrete and mortar. Figure 1 presents polymeric latexes used as cement modifiers. Among the different presentations of polymeric latexes, elastomers are the most widely used (Ohama, 1995). In practice, there are two basic elastomers applicable to cement mixes and these are natu...
Styrene Butadiene Rubbers (SBRs) are among the most useful synthetic rubbers which can be produced by two different methods of polymerization: emulsion and solution. These two polymerization methods lead to different final properties. In general, SBRs produced by the solution method (S-SBRs) have narrower Molecular Weight Distribution (MWD), higher content of cis-1,4 structure and lower glass t...
The McKibben artificial muscle is a pneumatic actuator whose properties include a very high force to weight ratio. This characteristic makes it very attractive for a wide range of applications such as mobile robots and prosthetic appliances for the disabled. Typical applications often require a significant number of repeated contractions and extensions or cycles of the actuator. This repeated a...
Vol. 26, No. 6, 2014 771 Received November 6, 2013, Revised November 28, 2013, Accepted for publication November 29, 2013 Corresponding author: Hee Young Kang, Department of Dermatology, Ajou University School of Medicine, 164 World Cup-ro, Yeongtong-gu, Suwon 443-380, Korea. Tel: 82-31-219-5190, Fax: 82-31-219-5189, E-mail: [email protected] This is an Open Access article distributed under the...
Natural rubber (NR, cis-1,4-polyisoprene) is applied in over 50,000 products. It has unique properties, which cannot be matched by synthetic rubber. The pará tree (Hevea brasiliensis Muell. Arg.) belonging to the Euphorbiaceae family currently only commercial source of NR. Alternative rubber-producing sources and systems are required increase biological geographic diversity natural production, ...
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