1,053 research outputs found

    Pelaksanaan Kebijakan Pajak Sarang Burung Walet Kota Pekanbaru Tahun 2012-2013 dalam Perspektif Otonomi Daerah

    Full text link
    Pekanbaru City Government to increase revenue (PAD) in accordancewith the order to build a regional autonomy impose tax Swallows Nest which wasarranged through Pekanbaru City Regulation No. 10 of 2011 which is guided bythe Act No. 28 of 2009 on Tax and Levies. With the enactment of the TaxSwallows Nest in the city is expected to boost revenue Pekanbaru Pekanbaru andassist in the development in the city of Pekanbaru. Swallows Nest tax for 2 yearspassed since its implementation in 2011 until the end of December 2013 did notproduce. Swallows Nest tax is expected to increase revenue Pekanbaru was stillvery far from the target of the tax levy itself. Departing from the abovephenomenon, the authors are interested in studying this matter with the title"Implementation of Tax Policy Swallows Nest Pekanbaru City Year 2012-2013 inthe Perspective of Regional Autonomy".Based on the results of studies using the theory of Edward III, researchersconcluded that the Tax Policy Implementation Swallows Nest Pekanbaru CityYear 2012-2013 in the Perspective of Regional Autonomy is not going well. Thisis due to the realization of this tax is far from the target and did not produce.Some of the causes include lack of awareness of employers to pay taxes swallow.Several factors in the implementation, such as communication between RevenueService Pekanbaru and employers do not swallow well established. Resourcessuch as the budget has not been provided to support the implementation.Employees in Pekanbaru City Revenue Service as not serious in implementing it.Keywords : Regional Autonomy, PAD, Tax, Implementatio

    Business Development in Renewable Energy (Case Study: Independent Power Plant (IPP) of Marine Current Turbine PT T-Files Indonesia

    Get PDF
    — Indonesia is experience a surplus in generating capacity of up to 27TWh by 2014 and makes this country struggling to provide electricity for its currents needs that sometimes give delays in capacity development (including with Independent Power Producer (IPP) projects). There are around 20 million households, or 80 million people, who currently have no access to public electricity. This study intends to find out what renewable energy in Indonesia in accordance with the potential that exists with case studies ocean current turbine power plant owned by PT T-Files Indonesia. This plant uses Gorlov turbine with a permanent magnet generator. Specifically this study aims to determine the feasibility of ocean current turbine power plants can be private power plants that sell electricity to PT PLN (Persero) to meet the electricity demand in Indonesia. Calculation of the cost of electricity per kilowatt-hour sales done in the conventional way with the ABCD method is the removal of the component C fuel component. Eligibility is done by searching IRR, NPV and PP from the power plant. Thus obtained if the power plant is feasible or not. Feasibility of the calculation found that the power plant is feasible electricity sales. Plan implementation is done by making 1-year period and electricity sales contracts for 15 years. It can be concluded that the development of electricity generation from renewable energy is feasible for IRR, NPV and PP meet

    Glassy Dynamics of Protein Folding

    Full text link
    A coarse grained model of a random polypeptide chain, with only discrete torsional degrees of freedom and Hookean springs connecting pairs of hydrophobic residues is shown to display stretched exponential relaxation under Metropolis dynamics at low temperatures with the exponent β1/4\beta\simeq 1/4, in agreement with the best experimental results. The time dependent correlation functions for fluctuations about the native state, computed in the Gaussian approximation for real proteins, have also been found to have the same functional form. Our results indicate that the energy landscape exhibits universal features over a very large range of energies and is relatively independent of the specific dynamics.Comment: RevTeX, 4 pages, multicolumn, including 5 figures; larger computations performed, error bars improve

    A Multicanonical Molecular Dynamics Study on a Simple Bead-Spring Model for Protein Folding

    Full text link
    We have performed a multicanonical molecular dynamics simulation on a simple model protein.We have studied a model protein composed of charged, hydrophobic, and neutral spherical bead monomers.Since the hydrophobic interaction is considered to significantly affect protein folding, we particularly focus on the competition between effects of the Coulomb interaction and the hydrophobic interaction. We found that the transition which occurs upon decreasing the temperature is markedly affected by the change in both parameters and forms of the hydrophobic potential function, and the transition changes from first order to second order, when the Coulomb interaction becomes weaker.Comment: 7 pages, 6 postscript figures, To appear in J.Phys.Soc.Jpn. Vol.70 No.

    Non-relativistic Lee Model on two Dimensional Riemannian Manifolds

    Full text link
    This work is a continuation of our previous work (JMP, Vol. 48, 12, pp. 122103-1-122103-20, 2007), where we constructed the non-relativistic Lee model in three dimensional Riemannian manifolds. Here we renormalize the two dimensional version by using the same methods and the results are shortly given since the calculations are basically the same as in the three dimensional model. We also show that the ground state energy is bounded from below due to the upper bound of the heat kernel for compact and Cartan-Hadamard manifolds. In contrast to the construction of the model and the proof of the lower bound of the ground state energy, the mean field approximation to the two dimensional model is not similar to the one in three dimensions and it requires a deeper analysis, which is the main result of this paper.Comment: 18 pages, no figure

    A Many-body Problem with Point Interactions on Two Dimensional Manifolds

    Get PDF
    A non-perturbative renormalization of a many-body problem, where non-relativistic bosons living on a two dimensional Riemannian manifold interact with each other via the two-body Dirac delta potential, is given by the help of the heat kernel defined on the manifold. After this renormalization procedure, the resolvent becomes a well-defined operator expressed in terms of an operator (called principal operator) which includes all the information about the spectrum. Then, the ground state energy is found in the mean field approximation and we prove that it grows exponentially with the number of bosons. The renormalization group equation (or Callan-Symanzik equation) for the principal operator of the model is derived and the β\beta function is exactly calculated for the general case, which includes all particle numbers.Comment: 28 pages; typos are corrected, three figures are adde

    Tube Models for Rubber-Elastic Systems

    Full text link
    In the first part of the paper we show that the constraining potentials introduced to mimic entanglement effects in Edwards' tube model and Flory's constrained junction model are diagonal in the generalized Rouse modes of the corresponding phantom network. As a consequence, both models can formally be solved exactly for arbitrary connectivity using the recently introduced constrained mode model. In the second part, we solve a double tube model for the confinement of long paths in polymer networks which is partially due to crosslinking and partially due to entanglements. Our model describes a non-trivial crossover between the Warner-Edwards and the Heinrich-Straube tube models. We present results for the macroscopic elastic properties as well as for the microscopic deformations including structure factors.Comment: 15 pages, 8 figures, Macromolecules in pres

    Point Interaction in two and three dimensional Riemannian Manifolds

    Full text link
    We present a non-perturbative renormalization of the bound state problem of n bosons interacting with finitely many Dirac delta interactions on two and three dimensional Riemannian manifolds using the heat kernel. We formulate the problem in terms of a new operator called the principal or characteristic operator. In order to investigate the problem in more detail, we then restrict the problem to one particle sector. The lower bound of the ground state energy is found for general class of manifolds, e.g., for compact and Cartan-Hadamard manifolds. The estimate of the bound state energies in the tunneling regime is calculated by perturbation theory. Non-degeneracy and uniqueness of the ground state is proven by Perron-Frobenius theorem. Moreover, the pointwise bounds on the wave function is given and all these results are consistent with the one given in standard quantum mechanics. Renormalization procedure does not lead to any radical change in these cases. Finally, renormalization group equations are derived and the beta-function is exactly calculated. This work is a natural continuation of our previous work based on a novel approach to the renormalization of point interactions, developed by S. G. Rajeev.Comment: 43 page

    Conformations of Proteins in Equilibrium

    Full text link
    We introduce a simple theoretical approach for an equilibrium study of proteins with known native state structures. We test our approach with results on well-studied globular proteins, Chymotrypsin Inhibitor (2ci2), Barnase and the alpha spectrin SH3 domain and present evidence for a hierarchical onset of order on lowering the temperature with significant organization at the local level even at high temperatures. A further application to the folding process of HIV-1 protease shows that the model can be reliably used to identify key folding sites that are responsible for the development of drug resistance .Comment: 6 pages, 3 eps figure
    corecore