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Mahat Kiran,Mitchell Andrew,Zangpo Tshelthrim 한국응용곤충학회 2021 Journal of Asia-Pacific Entomology Vol.24 No.1
We report the first detection of Fall Armyworm (FAW), Spodoptera frugiperda (Smith, 1797), in Bhutan. FAW feeds on more than 300 plant species and is a serious pest of many. It has been spreading through Africa since 2016 and Asia since 2018. In Bhutan, this species was first detected in maize fields in the western part of the country in September 2019 and subsequently found infesting maize crops in southern parts of the country in December 2019 and April 2020. Using morphological and molecular techniques the presence of the first invading populations of S. frugiperda in Bhutan is confirmed through this study. We present an updated reference DNA barcode data set for FAW comprising 374 sequences, which can be used to reliably identify this serious pest species, and discuss some of the reasons why such compiled reference data sets are necessary, despite the public availability of the underlying data. We also report on a second armyworm species, the Northern Armyworm, Mythimna separata (Walker, 1865), in rice, maize and other crops in eighteen districts of Bhutan.
Robustness of Cash Flow Value: Investment in ASEAN
Wei Theng LAU,Fauziah Binti MAHAT 한국유통과학회 2019 The Journal of Asian Finance, Economics and Busine Vol.6 No.2
This study examines the different roles of cash flow in assessing investment returns in the Association of Southeast Asian Nations (ASEAN). The analysis covers over 900 listed firms across Malaysia, Indonesia, Philippines, Singapore and Thailand for the period post the Asian financial crisis of 2001-2017. Firm-level panel data analysis shows that cash flow factors are important in all contexts of cash return on assets, earnings quality and market value multiple across the region even after controlling for typical measures of profitability. The results suggest that firms should manage cash flow prudently in considerations of firm value from the shareholder’s perspective, measured directly using stock return. Cash profitability on assets should become an important firm performance indicator, whilst higher cash component over reported earnings is preferred. The market also tends to respond favourably to cash flow yield as a price multiple in valuation, outpacing the role of earnings yield. Such findings are robust across the pre and post subprime crisis periods, across estimation methods pertaining to finance panel standard errors, as well as across static and dynamic considerations of returns. It is hence sensible to consider cash flow factors in the research pertaining to asset pricing and factor investing in the ASEAN region.
Factors Related to Performance of Health Practices Among Asian Adolescents in the United States
Cynthia G. Ayres,Robert Atkins,Ganga Mahat 한국간호과학회 2010 Asian Nursing Research Vol.4 No.2
Purpose This study examined factors related to positive health practices (PHP) among Asian adolescents. More specifically, it tested theoretical relationships postulated between PHP and social support,optimism, self-esteem, loneliness, and acculturation in this population. Method A correlational research design was used and a convenience sample of 151 Asian adolescents was obtained. Participants completed a demographic sheet and six study instruments. Results Significant positive relationships were found between reported performance of PHP and social support, optimism, self-esteem, and acculturation. A significant inverse relationship was found between loneliness and PHP. Conclusions Study findings extend existing knowledge and contribute to a more comprehensive knowledge base regarding health practices among Asian adolescents. Having this knowledge base provides practitioners with a better understanding of the factors related to health practices in Asian adolescents and assists them in developing culturally sensitive interventions aimed at promoting PHP in this population. [Asian Nursing Research 2010;4(2):64–74]
NurRoyhaila Mohamad,Roswanira Abdul Wahab,Nor Aziah Buang,Naji A. Mahat,Joazaizulfazli Jamalis,Fahrul Huyop,Hassan Y. Aboul-Enein 한국공업화학회 2015 Journal of Industrial and Engineering Chemistry Vol.32 No.-
In this study, geranyl propionate was enzymatically synthesized from geraniol and propionic acid usingCandida rugosa lipase immobilized on acid functionalized multi-walled carbon nanotubes. The efficiencyof the CRL-MWCNTs biocatalysts to catalyze the esterification production of geranyl propionate (solventlog P, alcohol:acid molar ratio and thermal stability) was compared with the free CRL for parameters. Theuse of CRL-MWCNTs in n-heptane (log P 4.0) and alcohol:acid molar ratio of 5:1 resulted in a 2-foldincreased conversion frequency as compared to the free CRL for the production of geranyl propionate, inaddition to a noteworthy 2-fold enhanced thermal stability.