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Effect of chiral structure for free vibration of DWCNTs: Modal analysis
Asghar, Sehar,Naeem, Muhammad N.,Khadimallah, Mohamed Amine,Hussain, Muzamal,Iqbal, Zafar,Tounsi, Abdelouahed Techno-Press 2020 Advances in concrete construction Vol.9 No.6
In this paper, vibration attributes of chiral double-walled carbon nanotubes (CNTs) based on nonlocal elastic shell model have been investigated. The impact of small scale is being perceived by establishing Flügge shell model. The wave propagation is engaged to frame the ruling equations as eigen value system. The influence of nonlocal parameter subjected to different end supports has been overtly examined. A suitable choice of material properties and nonlocal parameter been focused to analyze the vibration characteristics. The new set of inner and outer tubes radii investigated in detail against aspect ratio and length. The dominance of boundary conditions via nonlocal parameter is shown graphically. Whereas for lower aspect ratio the frequencies coincide but as it continues to expand the difference between all respective boundary conditions slightly tend to increase. The results generated furnish the evidence regarding applicability of nonlocal shell model and also verified by earlier published literature.
FUZZY INTERIOR Г-IDEALS IN ORDERED Г-SEMIGROUPS
Asghar Khan,Tariq Mahmood,M. Irfan Ali 한국전산응용수학회 2010 Journal of applied mathematics & informatics Vol.28 No.5
In this paper we de¯ne fuzzy interior Г-ideals in ordered Г-semigroups. We prove that in regular(resp. intra-regular) ordered Г-semigroups the concepts of fuzzy interior Г-ideals and fuzzy Г-ideals coincide. We prove that an ordered Г-semigroup is fuzzy simple if and only if every fuzzy interior Г-ideal is a constant function. We characterize intraregular ordered Г-semigroups in terms of interior (resp. fuzzy interior)Г-ideals.
Asghar Shirvani,Mohammad Ali SHOGHALI 한국곤충학회 2010 Entomological Research Vol.40 No.4
A noctuid species, Eucoptocnemis tischendorfi (Püngeler, 1915) (Lepidoptera: Noctuidae), is first reported for the fauna of Iran and the female of Brachygalea miskoi Ronkay, 1997 is first described. Adults including genitalia of both species are illustrated.
MORE GENERAL FORMS OF (∈; ∈ ∨Q<sub>k</sub>) FUZZY FILTERS OF ORDERED SEMIGROUPS
( Asghar Khan ),( Shakoor Muhammad ),( Mohammed M. Khalaf ) 호남수학회 2017 호남수학학술지 Vol.39 No.2
In the paper [Y. B. Jun, B. Davvaz and A. Khan, Filters of ordered semigroups based on the fuzzy points, JIFS 24 (2013) 619-630]. Jun et al. discussed the notion of (∈; ∈ ∨q<sub>k</sub>)-fuzzy left (resp., right) filters as a generalization of the notion of (∈; ∈ ∨q)-fuzzy left (resp., right) filters of ordered semigroups. In this article, we try to obtain a more general form that (∈; ∈ ∨q<sub>k</sub>)-fuzzy left (resp., right) filters in ordered semigroups. The notion of (∈; ∈ ∨q<sup>δ</sup><sub>k</sub>)-fuzzy left (resp., right) filters is discussed, and several properties are investigated. Characterizations of an (∈; ∈ ∨q<sup>δ</sup><sub>k</sub>)- fuzzy left (resp., right) filter are established. A condition for an (∈; ∈ ∨q<sup>δ</sup><sub>k</sub>)-fuzzy left (resp., right) filter to be a fuzzy left (resp., right) filter is provided. The important achievement of the study with an (∈; ∈ ∨q<sup>δ</sup><sub>k</sub>)-fuzzy left (right) filter is that the notion of an (∈; ∈ ∨q<sub>k</sub>)-fuzzy left ( right) filter and hence an (∈; ∈ ∨q)-fuzzy left (resp. right) filter are special cases of an (∈; ∈ ∨q<sup>δ</sup><sub>k</sub>)-fuzzy left (resp. right) filter, and thus several results in published papers are becoming corollaries of our results obtained in this paper.
Influence of collector dosage and pulp chemistry on copper flotation
Asghar Azizi 한국자원공학회 2014 Geosystem engineering Vol.17 No.6
This study was aimed to examine the influence of collector dosage, pH, solid content and water type of flotation pulp on copper recovery. The results indicated that recovery was strongly affected by these factors and their influence on the best composition of copper grade and recovery was in the order of water type>solid percentage>collector dosage>pulp pH. As the value of collector dosage, pH and solid content increased to a certain value, the copper recovery was enhanced to a peak and thereafter decreased. This may be due to the balance between reagent concentrations with pH and solid percentage. Copper recovery significantly increased with changing the water type from tap water to distilled water. The best combination of grade and recovery obtained was 7.26% and 81.09% in flotation tests with tap water.
Asghar Aryanfar,Irem ?anal,Jaime Marian 한국콘크리트학회 2021 International Journal of Concrete Structures and M Vol.15 No.4
Super absorbent polymers (SAP) are the recent promising chemical admixtures with the potential for reducing the shrinkage, cracking, freeze/thaw and increasing the durability of the concrete. These polymers are classified as hydrogels when cross-linked and can retain exceptionally high amount of liquid solutions of their own weight. In this paper, the flowability of the concrete is quantified by means of developing a percolation-based image processing method and the transient behavior of the viscosity of the SAP-contained mortar mixture is characterized via numerical solution of Navier–Stokes relationship. In addition, rheological measurements and the analytical development has been carried out for complementary verification of the viscosity trends. Controlling the flow within such relatively short period of time is essential for tuning the functionality of concrete during the construction as well as it’s respective resilience during the extended period of application.
ASGHAR Dadkhah,SURENDER Kumar,SUSUNU Harizuka 아시아장애사회학회 2011 아시아장애사회학연구 Vol.11 No.-
Psychologists have contributed to programs that are helping people change their feelings, emotions, and behavior instead of just suppressing symptoms. There have been lots of improvements in psychological interventions working with people with disability and serious mental disorders. In particular, a number of treatment programs are drawing on the work of psychologists and their method encourages people to learn about their own body and mind and demonstrate social skills that allow them to function in a community‘ Psychological rehabilitation is the application of psychological knowledge and understanding on behalf of individuals with disabilities and society through such activities as research, clinical practice, teaching, public education, development of social policy and advocacy. Although the process of rehabilitation has traditionally been viewed as ‘physical’ in nature, it is now considered a multi-faceted process involving not only the services of surgeons, occupational therapists, physiotherapists, and speech therapists but also exercise scientists, dieticians, and psychologists. Japanese psychological rehabilitation CDohsa- Hou) is one of these programs. The purpose of this article is to review and to prospect the development of Dohsa-hou from historical overview. The article will cover historical review, Dohsa training method, Dohsa training through camp (which includes Dohsa-hou technique straining; Group activity / psychotherapy; parents counseling; daily life guidance for children; and therapist training), Dohsa applications to Children with cerebral palsy, autistic, hyper activity, schizophrenia, Down’s Syndrome, menta1 retardation, and aged people with physica1 disability, trends of Dohsa- hou at norma1 - special school, and domestic- intemational Workshop camps.
The New Asian Active Ageing Index for ASEAN+3: A Comparative Analysis with EU Member States
Asghar Zaidi,엄진필 서울대학교 사회발전연구소 2019 Journal of Asian Sociology Vol.48 No.4
The high speed of population ageing in ASEAN countries and in China, Japan and Korea necessitate a high-quality, comparative evidence base for policy learning. The new Asian Active Ageing Index (AAI) proposed in this paper quantifies the extent to which older people make contributions to their families and societies. The Asian AAI was calibrated to cultural norms in Asia by revisiting the choice of indicators. We also revised the aggregation methods previously used in the AAI for European Union member states. Amongst ASEAN member countries, Thailand does better than Indonesia and they both fare better than many European countries. Japan is among the top performing countries alongside Scandinavian countries. In the two ASEAN countries, Thailand and Indonesia, older persons are physically and mentally capable while their pension incomes are low, which explains the level of informal support they offer and their high employment rates, respectively. Future active ageing strategies need to prioritize active ageing among older women, particularly those who live alone.