high on-off ratio
Performance analysis of high bypass ratio turbofan aeroengine
... The ratio of the air that goes around the engine to the air that goes through the core is called the bypass ...fact, high bypass ratio turbofans are nearly as fuel efficient as ...on high ...
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Design of a High Pressure Ratio Centrifugal Compressor
... compressor ratio can't meet the requirement, so gas turbine mostly adopt two stage centrifugal compressor or multi-stage axis compressor with single stage centrifugal ...the high single stage pressure ...
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Comparison of High Contact Ratio And Low Contact Ratio Gears
... FEA high contact ratio gears in ...load-sharing ratio, contact stress and tooth root stress against various input loads over a complete mesh cycle are also taking into ...of high contact ...
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Capillary Force in High Aspect-Ratio Micropillar Arrays
... evaporated off the micropillar arrays, the pillars bend and cluster together due to a much smaller capillary meniscus interaction force while still surrounded by a continuous liquid body, rather than due to often ...
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Comparision Of High Contact Ratio And Low Contact Ratio Gears
... ABSTRACT: In this paper, comparison of high contact ratio gears and low contact ratio gears has been done for the same load. we have considered the bending strength, shearing at contact region, ...
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Transport Gap Opening and High On Off Current Ratio in Trilayer Graphene with Self Aligned Nanodomain Boundaries
... Figures 6a and 6b show temperature dependent I-V curves. The transport gap can be clearly observed below 100 K but disappears at temperatures above 150 K. To obtain the exact value of the transport gap, we plotted the ...
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THE DYNAMIC BEHAVIOUR OF GEARS WITH HIGH TRANSMISSION RATIO
... (Fig. 2). The special algorithm for tooth’s involute profile drawing is developed and built in present FEM software to assure drawing of real involute flanks contact geometry. In addition, choice of optimal mesh size ...
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TriGlycerides and high-density lipoprotein cholesterol ratio compared with homeostasis model assessment insulin resistance indexes in screening for metabolic syndrome in the chinese obese children: a cross section study
... to High-Density Lipoprotein Cholesterol (HDL-C) ratio (TG/HDL-C ratio) has been gaining popularity be- cause of its ability to explain the significant association with insulin resistance or ...
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SnSe2 Field Effect Transistor with High On/Off Ratio and Polarity Switchable Photoconductivity
... with top gate are shown in Fig. 2d, which shows a typical n-type conductive behavior. The voltage scans from the negative direction to the positive direction with a scan- ning rate of 10 mV/s. Electric double layer (EDL) ...
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A Study to Assess the Significance of Urinary Collagen IV Excretion to Predict Preeclampsia in Early Pregnancy
... The present study was undertaken to assess the value of MA in the prediction of PE and also to compare urinary collagen IV with MA in this prediction. A total of 119 subjects (age 25±4 years, M+SD), were selected in ...
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High Performance Silicon Nanowire Electronics
... exhibit high performance in terms of large on/off-state current ratio (~10 8 ), low drain- induced barrier lowering (~30 mV), high carrier mobilities (~269 cm 2 /V·s), and low subthreshold ...
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Towards High Performance Robotic Actuation
... contact ratio [103]. In general, efficiencies in the range of 0.7 (for high reduction designs) to ...of high precision planets would significantly increase the overall gearbox ...custom high ...
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Recommendations on Reduction Gear Ratio for Tugboats Basing on Existing Vessels
... the ratio of number of teeth of the output gear to that of the input pinion gear of the gearbox ...and high speed engine of revolution per minute ranging 1500 to 1800 used in most ...reduction ratio ...
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Electroluminescence on off ratio control off n−i−n GaAs/AlGaAs based resonant tunneling structures
... on-off ratio can be larger than the electrical on-off ratio by three orders of magnitude and can be varied within six orders by changing the resistance in just one order of ...developing ...
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Design of Ultra-Compact Optical Memristive Switches with GST as the Active Material
... a high extinction ratio of >30 ...of high-performance switching components, opening new avenues for future low-power non-volatile photonic integrated ...
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Solution Processed Trilayer Structure for High Performance Perovskite Photodetector
... on-off ratio was 70 for single-layer photodetector device, and measured rise/ decay time is ...on-off ratio is 2700 and its rise/decay time is ...
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Hybrid Color Image Compression of Hard & Soft Mixed Thresholding Techniques
... It is clear that the quantization level of approximation band of three bands, along with threshold values of hard and soft techniques of details sub bands of R,G,B affected the performance of the suggested technique in ...
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The minimum monitoring signal to noise ratio for off axis signals and its implications for directional hearing aids
... at high SNRs of þ 10 dB, adaptive systems can allow listeners to localize at least as well as when using omnidirectional microphones, and their localization of sounds in the rear hemi fi eld is improved in quiet ...
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Black Phosphorus and its Biomedical Applications
... Another recent study reported the synthesis of water-soluble and biocompatible PEGylated BPNPs from stable red phosphorus by the one-pot solvent-less high energy mechanical milling (HEMM) approach [24]. The ...
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Study on Flight Safety Risk Evaluation Model Based on Flight Exceedance Events
... taking off are the ...landing, high speed during landing, VRTG exceed during landing and high roll during ...taking off phase contributed greatly to high pitch rate at rotation, low ...
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