Crop Yield and Democracy

How does the historical legacy of agriculture affect democratic traditions in contemporary societies? This paper provides empirical evidence that inherent crop yield and democracy exhibit an inverted U-shaped relationship. This finding is supported by cross-country data from up to 147 countries, 186 pre-colonial societies, and the U.S. states. The relationship thus exhibits a highly persistent pattern. Crop yield is measured by kilocalories per hectare per year under rain-fed conditions, which has the advantage of being highly exogenous. The hump-shaped relationship holds up to a battery of robustness tests

Metallic monoclinic phase in VO2_2 induced by electrochemical gating: in-situ Raman study

We report in-situ Raman scattering studies of electrochemically top gated VO$_2$ thin film to address metal-insulator transition (MIT) under gating. The room temperature monoclinic insulating phase goes to metallic state at a gate voltage of 2.6 V. However, the number of Raman modes do not change with electrolyte gating showing that the metallic phase is still monoclinic. The high frequency Raman mode A$_g$(7) near 616 cm$^{-1}$ ascribed to V-O vibration of bond length 2.06 \AA~ in VO$_6$ octahedra hardens with increasing gate voltage and the B$_g$(3) mode near 654 cm$^{-1}$ softens. This shows that the distortion of the VO$_6$ octahedra in the monoclinic phase decreases with gating. The time dependent Raman data at fixed gate voltages of 1 V (for 50 minute, showing enhancement of conductivity by a factor of 50) and 2 V (for 130 minute, showing further increase in conductivity by a factor of 5) show similar changes in high frequency Raman modes A$_g$(7) and B$_g$(3) as observed in gating. This slow change in conductance together with Raman frequency changes show that the governing mechanism for metalization is more likely to the diffusion controlled oxygen vacancy formation due to the applied electric field.Comment: 5 pages, 6 figure

Handling Multilingual Content in Digital Media: The Multilingual Information Framework

This document presents MLIF (Multi Lingual Information Framework), a high-level model for describing multilingual data across a wide range of possible applications in the translation/localization process within several multimedia domains (e.g. broadcasting interactive programs within a multilingual community). There are at present numerous different standards available for dealing with translation and localization activities. All these formats work well in the specific field they are designed for, but they lack a synergy that would make them interoperable when using one type of information in a slightly different context, giving rise to the fear of competition between them. MLIF defines a generic model for all these formats, from which one can derive precise specifications for each of them

Implementing Multilingual Information Framework in Applications using Textual Display

This paper presents implementation of MLIF (Multilingual Information Framework), a high level model for describing multilingual data across wide range of possible applications in translation/localization process within several multimedia domains (e.g. broadcasting of interactive multimedia applications), natural language interfaces, geographical information systems for multilingual communities

Electron-Hole Asymmetry in the Electron-phonon Coupling in Top-gated Phosphorene Transistor

Using in-situ Raman scattering from phosphorene channel in an electrochemically top-gated field effect transistor, we show that its phonons with A$_g$ symmetry depend much more strongly on concentration of electrons than that of holes, while the phonons with B$_g$ symmetry are insensitive to doping. With first-principles theoretical analysis, we show that the observed electon-hole asymmetry arises from the radically different constitution of its conduction and valence bands involving $\pi$ and $\sigma$ bonding states respectively, whose symmetry permits coupling with only the phonons that preserve the lattice symmetry. Thus, Raman spectroscopy is a non-invasive tool for measuring electron concentration in phosphorene-based nanoelectronic devices

Sub chronic oral toxicity study of Janma Ghunti Honey in Wistar rats

The present study was conducted to evaluate the safety profile of Janma Ghunti Honey in Wistar rats on oral administration for 28 consecutive days. Animals were randomized on the basis of body weight into 6 groups. Three groups received test item (TI) at three different dose levels (3 mL/k g, 6 mL/kg and 12 mL/kg body weight). One group served as high dose satellite reversal group (12 mL/kg). One group each served as the control and satellite control group. Animals were observed for clinical signs of toxicity and mortality at least once daily. Animals from satellite groups were observed for further 14 days without treatment to evaluate delayed occurrence or reversibility of any signs/toxicity. At the end of the study, animals were studied through clinical pathology and necropsy examination. No treatment related mortality was observed in any group. Except in female low dose and female high dose satellite groups, all the treated groups exhibited weight gain and no statistically significant alterations were observed. No TI related toxicity was found on hematological investigation, blood biochemistry parameters and absolute and relative organ weights among treated groups. 'No Observed Adverse Effect Level' of TI in male and female Wistar rats was found to be above 12 mL/kg body weight

Electronic structure of Pr2MnNiO6 from x-ray photoemission, absorption and density functional theory

The electronic structure of double perovskite Pr2MnNiO6 is studied using core x-ray photoelectron spectroscopy and x-ray absorption spectroscopy. The 2p x-ray absorption spectra show that Mn and Ni are in 2+ and 4+ states respectively. Using charge transfer multiplet analysis of Ni and Mn 2p XPS spectra, we find charge transfer energies {\Delta} of 3.5 and 2.5 eV for Ni and Mn respectively. The ground state of Ni2+ and Mn4+ reveal a higher d electron count of 8.21 and 3.38 respectively as compared to the atomic values of 8.00 and 3.00 respectively thereby indicating the covalent nature of the system. The O 1s edge absorption spectra reveal a band gap of 0.9 eV which is comparable to the value obtained from first principle calculations for U-J >= 2 eV. The density of states clearly reveal a strong p-d type charge transfer character of the system, with band gap proportional to average charge transfer energy of Ni2+ and Mn4+ ions.Comment: 18 pages, 9 figure

Multilingual Information Framework for Handling textual data in Digital Media

This document presents MLIF (Multi Lingual Information Framework), a high-level model for describing multilingual data across a wide range of possible applications in the translation/localization process within several multimedia domains (e.g. broadcasting interactive programs within a multilingual community)