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Search Results: 1 - 10 of 68345 matches for " Yu Ya Aye "
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Estimation of Carbon Emission Reductions by Managing Dry Mixed Deciduous Forest: Case Study in Popa Mountain Park  [PDF]
Yu Ya Aye, Savent Pampasit, Chanin Umponstira, Kanita Thanacharoenchanaphas, Nophea Sasaki
Low Carbon Economy (LCE) , 2014, DOI: 10.4236/lce.2014.52009
Abstract:

Global efforts in mitigating climate change are increasingly important as more evidence of climate change impact is apparent. Reducing carbon emissions under the United Nations’ reducing emissions from deforestation and forest degradation, conservation of carbon stocks, sustainable management of forests, and enhancement of forest carbon stocks (REDD+) have multiple implications for climate change mitigation and sustainable development. However, implementing REDD+ project requires understanding of the magnitude of emissions in the absence of project activities (baseline) and vice versa (projectline). This study attempted to estimate carbon emission reductions by reducing deforestation in dry mixed deciduous forests in Popa Mountain Park in Myanmar. Baseline deforestation was determined using the 1989-2005 forest cover data, while carbon stocks were derived from forest inventory data. Our results show that about 25% to 63% of forest area in the study site will be lost between 2013 and 2043 if no REDD+ project is implemented. Our study results suggest that managing4220 haof dry mixed deciduous forest in Popa Mountain Park could reduce emissions of about 104023.8 - 241991.0 tCO2 over a 30-year project cycle or about 3467 - 8066 tCO2 annually depending on deforestation rates. In terms of carbon revenues, the project would generate about US $349503.3 - $846968.6 per 30 years or US $11650.1 - $28232.3 annually depending on the assumption of carbon price. It is therefore important that carbon financing be made available to protect the forests in the Popa Mountain Park as well as other parts in Myanmar.

Floristic Composition, Diversity and Stand Structure of Tropical Forests in Popa Mountain Park  [PDF]
Yu Ya Aye, Savent Pampasit, Chanin Umponstira, Kanita Thanacharoenchanaphas, Nophea Sasaki
Journal of Environmental Protection (JEP) , 2014, DOI: 10.4236/jep.2014.517150
Abstract: Safeguarding biodiversity is an important component of the REDD+ scheme of the United Nations Framework Convention on Climate Change. Information on tree species and their distribution is therefore needed for successful implementation of forestry carbon projects. Forest inventory data were collected in four natural forests located in Popa Mountain Park, Myanmar. Based on the data from 4-ha sample plots, average stem density ranges from 1293 trees ha-1 in dry dipterocarp forest to 804 tree ha-1 in dry evergreen forest. According to the Jackknife estimator for species richness (trees with DBH ≥ 5 cm), the highest number of species was recorded in dry mixed deciduous forest—74 species ha-1, and the lowest number of species recorded in dry forest—40 species ha-1. Dry mixed deciduous forest occupied the highest value on the Shannon-Wiener index and Simpson diversity index while the lowest was in dry forest, indicating that dry mixed deciduous forest is the most complex whereas dry forest is the simplest community. Not only does this study provide useful information on the current status of vegetation type but the information is important for designing forestry management systems that could result in biodiversity conservation and carbon emission reductions.
Existence of moments of increasing predictable processes associated with one- and two-parameter potentials
Yu. Mishura,Ya. Oltsik
International Journal of Stochastic Analysis , 1999, DOI: 10.1155/s1048953399000143
Abstract: The criterion and sufficient condition for the existence of moments of one-parameter increasing predictable processes is presented in terms of an associated potential. The estimates of moments of special functional connected with two-parameter increasing predictable processes are given in the case when the associated potential is bounded. The application of these estimates to the local time for purely discontinuous strong martingales in the plane is also presented.
Extremum Principle for Very Weak Solutions of A-Harmonic Equation with Weight  [PDF]
Hong-Ya Gao, Chao Liu, Yu Zhang
Advances in Pure Mathematics (APM) , 2011, DOI: 10.4236/apm.2011.14041
Abstract: Extremum principle for very weak solutions of A-harmonic equation div A(x,▽u)=0 is obtained, where the operator A:Ω × RnRnsatisfies some coercivity and controllable growth conditions with Mucken-houpt weight.
Pleural mesothelioma and venous thrombosis: the eosinophilia link
Paul Ames, Win Aye
Thrombosis Journal , 2008, DOI: 10.1186/1477-9560-6-3
Abstract: The latest nationwide census from the occupational United Kingdom physicians identified pleural mesothelioma (PM) in 92% of lung cancers patients [1] whereas PM represented only 8% of histology proven lung cancers accrued from an area without heavy industrial exposure to asbestos [2]. Peripheral blood eosinophilia (PBE) has been detected in 0.5% to 1.7% of patients with malignancy [3]: it may occur in cancer of the lung, pancreas, uterus, liver, breast, kidney and thyroid [3,4], in liposarcomas [5] in lymphomas and T-cell-leukemias [6,7] but it is quite rare in PM [8-11]. PBE is associated with metastatic spread, predicts a poor prognosis [12,13], may disappear with treatment of the malignancy and reappear with tumour relapse [6,14]. We describe a patient who developed PBE almost coincidentally with PM followed by deep vein thrombosis despite low molecular weight heparin prophylaxis and in the absence of inherited thrombophilia.A 75-year old gentleman was admitted to the Oncology/Haematology Ward in early September 2007 for severe shortness of breath. He had been fully investigated for a pleural effusion one month earlier in a neighbouring hospital. At that time drained pleural fluid revealed reactive lymphocytes with neither neutrophils nor eosinophils. However peripheral blood esosinophils were raised at 1.6 × 109/L, C-reactive protein (CRP) at 33 mg/dl and fibrinogen at 568 mg/dl. Cultures for bacteria and stains for acid-fast bacilli were negative. Several stool examinations and serologic tests were negative for parasites as well as an autoimmune screen (antinuclear antibodies, antineutrophil-cytoplasmic antibodies, anti myeloperoxidase antibodies). A right pleural biopsy done in mid August 2007 revealed sheets of pleura infiltrated by malignant epithelioid cells that on immune staining expressed CK7 (cytokeratin) with focal expression of CK5/6 whereas staining for carcino-embriogenic antigen, BerEP4, thyroid transcription factor-1 mesothelin, Wilms' tumour -1,
Statistical Approach for Tapered Bearing Fault Detection using Different Methods
Sylvester A. Aye
Lecture Notes in Engineering and Computer Science , 2011,
Abstract:
The Proposed Heating and Cooling System in the CH2 Building and Its Impact on Occupant Productivity
Lu Aye,Robert Fuller
Australasian Journal of Construction Economics and Building , 2012,
Abstract: Melbourne's climatic conditions demand that its buildings require both heating and cooling systems. In a multi-storey office building , however, cooling requirements will dominate. How the internal space is cooled and ventilation air is delivered will significantly impact on occupant comfort. This paper discusses the heating and cooling systems proposed for the CH2building. The paper critiques the proposed systems against previous experience, both internationally and in Australia. While the heating system employs proven technologies, less established techniques are proposed for the cooling system. Air movement in the shower towers, for example, is to be naturally induced and this has not always been successful elsewhere. Phase change material for storage of "coolth" does not appear to have been demonstrated previously in a commercial building, so the effectiveness of the proposed system is uncertain. A conventional absorption chiller backs up the untried elements of the cooling system, so that ultimately occupant comfort should not be compromised .
An Evaluation of a Proposed Ventilation System for Melbourne's CH2 Building
Lu Aye,Robert Fuller
Australasian Journal of Construction Economics and Building , 2012,
Abstract: The understanding of ventilation requirements in commercial buildings has been significantly revised in the last 10-15 years. A link between health, productivity and increased fresh air use has been established by some research and this understanding underpins the ventilation philosophy adopted for the CH2 building. The ventilation system design for CH2 that has been evaluated in this paper envisages a mechanically driven system during the day, using the displacement technique to distribute filtered air. All introduced air will be drawn from outside and no recycling of air will occur. Natural ventilation will be employed at night using the stack effect, enhanced by turbine ventilators. This paper critiques the proposed ventilation system in the light of international experience and the particular conditions of the building's location. The evidence suggests that natural ventilation sometimes may be inadequate to achieve the desired objectives. Minimization of indoor pollutants, adequate filtration and high levels of ventilation should, however, ensure satisfactory air quality during occupied hours.
Speed Meter As a Quantum Nondemolition Measuring Device for Force
F. Ya. Khalili,Yu. Levin
Physics , 1996, DOI: 10.1103/PhysRevD.54.4735
Abstract: Quantum noise is an important issue for advanced LIGO. Although it is in principle possible to beat the Standard Quantum Limit (SQL), no practical recipe has been found yet. This paper dicusses quantum noise in the context of speedmeter-a devise monitoring the speed of the testmass. The scheme proposed to overcome SQL in this case might be more practical than the methods based on monitoring position of the testmass.
New $U$-empirical tests of symmetry based on extremal order statistics, and their efficiencies
Ya. Yu. Nikitin,M. Ahsanullah
Statistics , 2014,
Abstract: We use a characterization of symmetry in terms of extremal order statistics which enables to build several new nonparametric tests of symmetry. We discuss their limiting distributions and calculate their local exact Bahadur efficiency under location alternative which is mostly high.
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