Optical Phonon Limited High Field Transport in Layered Materials

An optical phonon limited velocity model has been employed to investigate high-field transport in a selection of layered 2D materials for both, low-power logic switches with scaled supply voltages, and high-power, high-frequency transistors. Drain currents, effective electron velocities and intrinsic cut-off frequencies as a function of carrier density have been predicted thus providing a benchmark for the optical phonon limited high-field performance limits of these materials. The optical phonon limited carrier velocities of a selection of transition metal dichalcogenides and black phosphorus are found to be modest as compared to their n-channel silicon counterparts, questioning the utility of these devices in the source-injection dominated regime. h-BN, at the other end of the spectrum, is shown to be a very promising material for high-frequency high-power devices, subject to experimental realization of high carrier densities, primarily due to its large optical phonon energy. Experimentally extracted saturation velocities from few-layer MoS2 devices show reasonable qualitative and quantitative agreement with predicted values. Temperature dependence of measured vsat is discussed and found to fit a velocity saturation model with a single material dependent fit parameter.Comment: 8 pages, 6 figure

An IoT Based Gradient Descent Approach and ML for Precision Smart Crop Prediction

Agriculture is the backbone for a developing economy like India and there is an enormous need to maintain the agricultural sustainability. Hence it is a significant contribution towards the economic and agricultural welfare of the countries across the world. Effective utilization of agricultural land is crucial for ensuring food safety and security of a country. The aim of this paper is to propose an IoT and ML based Agriculture system that can assist farmers or agriculturist in crop prediction based on Metrological Agriculture theory by getting live Metrological data from the crop field using IoT technology and M.L for prediction which will enable smart farming and increase their overall yield and quality of products

Soil bacterial communities of a calcium-supplemented and a reference watershed at the Hubbard Brook Experimental Forest (HBEF), New Hampshire, USA

Soil Ca depletion because of acidic deposition-related soil chemistry changes has led to the decline of forest productivity and carbon sequestration in the northeastern USA. In 1999, acidic watershed (WS) 1 at the Hubbard Brook Experimental Forest (HBEF), NH, USA was amended with Ca silicate to restore soil Ca pools. In 2006, soil samples were collected from the Ca-amended (WS1) and reference watershed (WS3) for comparison of bacterial community composition between the two watersheds. The sites were about 125 m apart and were known to have similar stream chemistry and tree populations before Ca amendment. Ca-amended soil had higher Ca and P, and lower Al and acidity as compared with the reference soils. Analysis of bacterial populations by PhyloChip revealed that the bacterial community structure in the Ca-amended and the reference soils was significantly different and that the differences were more pronounced in the mineral soils. Overall, the relative abundance of 300 taxa was significantly affected. Numbers of detectable taxa in families such as Acidobacteriaceae, Comamonadaceae, and Pseudomonadaceae were lower in the Ca-amended soils, while Flavobacteriaceae and Geobacteraceae were higher. The other functionally important groups, e.g. ammonia-oxidizing Nitrosomonadaceae, had lower numbers of taxa in the Ca-amended organic soil but higher in the mineral soil

Detection of Masquerade Attacks using Data-Driven Semi-Global Alignment Approach

The broad utilization of virtualization in representing security basis conveys unrivaled security worries for inhabitants or clients and presents an extra layer that itself must be totally arranged and secured. Gatecrashers can abuse the extensive measure of assets for their attacks. This venture talks about two methodologies .In the initial three elements to be specific continuous attacks, autonomic counteractive action activities and hazard measure are incorporated to our Autonomic Intrusion Detection Framework (AIDF) as the majority of the present security advancements don't give the fundamental security components to frameworks, for example, early notices about future progressing attacks, autonomic avoidance activities and hazard measure. Accordingly, the controller can take proactive restorative activities before the attacks represent a genuine security hazard to the framework. In another Attack Sequence Detection (ASD) approach as assignments from various clients might be performed on a similar machine. In this way, one essential security concern is whether client information is secure in. Then again, programmer may encourage processing to dispatch bigger scope of attack. For example, a demand of port output in with numerous virtual machines executing such vindictive activity. In, for instance, avoiding a simple to adventure machine and afterward utilizing the past traded off to attack the objective. Such attack plan might be stealthy or inside the registering condition. So intrusion detection framework or firewall experiences issues to recognize it

Physicochemical properties of p-hydroazobenzene: a nonlinear optical crystal

Crystal of p-hydroazobenezene was grown and the crystal system is confirmed by analysis the XRD data. The material delineated in monclinic system with the space group of Pbca. FTIR and Raman spectrum analysis have been performed to comprehend the molecular interactions and to learn the vibrational nature of the functional groups in the title compound. Optical, and thermal stability analysis were also been carried out. Exhaustive explorations were conducted on the optical properties of the crystal using both quantum chemical calculations and experimental data

Physicochemical properties of p-hydroazobenzene: a nonlinear optical crystal

138-142Crystal of p-hydroazobenezene was grown and the crystal system is confirmed by analysis the XRD data. The material delineated in monclinic system with the space group of Pbca. FTIR and Raman spectrum analysis have been performed to comprehend the molecular interactions and to learn the vibrational nature of the functional groups in the title compound. Optical, and thermal stability analysis were also been carried out. Exhaustive explorations were conducted on the optical properties of the crystal using both quantum chemical calculations and experimental data

Increased Durations of High Flows Along the Illinois and Mississippi Rivers: Trends and Agricultural Impacts (Phase 1)

published or submitted for publicationis peer reviewedOpe

Association of immunophenotype with expression of topoisomerase II α and β in adult acute myeloid leukemia.

Anthracyclines used in the treatment of acute myelogenous leukemia (AML) inhibit the activity of the mammalian topoisomerase II (topo II) isoforms, topo II α and topo IIβ. In 230 patients with non-M3 AML who received frontline ara-C/daunorubicin we determined expression of topo IIα and topo IIβ by RT-PCR and its relationship to immunophenotype (IP) and outcomes. Treatment outcomes were analyzed by logistic or Cox regression. In 211 patients, available for analysis, topo IIα expression was significantly lower than topo IIβ (P \u3c 0.0001). In contrast to topo IIα, topo IIβ was significantly associated with blast percentage in marrow or blood (P = 0.0001), CD7 (P = 0.01), CD14 (P \u3c 0.0001) and CD54 (P \u3c 0.0001). Event free survival was worse for CD56-negative compared to CD56-high (HR = 1.9, 95% CI [1.0-3.5], p = 0.04), and overall survival was worse for CD-15 low as compared to CD15-high (HR = 2.2, 95% CI [1.1-4.2], p = 0.02). Ingenuity pathway analysis indicated topo IIβ and immunophenotype markers in a network associated with cell-to-cell signaling, hematological system development/function and inflammatory response. Topo IIβ expression reflects disease biology of highly proliferative disease and distinct IP but does not appear to be an independent variable influencing outcome in adult AML patients treated with anthracycline-based therapy