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Welcome To IANS Live - SCIENCE AND TECHNOLOGY - DRDO develops single crystal blades for HAL choppers

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IANSLive
Hyderabad, April 26 (IANS) The Defence Research and Development Organisation (DRDO) has developed single crystal blades technology and has supplied 60 of these blades to Hindustan Aeronautics Ltd (HAL) as part of their indigenous helicopter development programme for helicopter engine application.
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Update: 26-April-2021 ....

India General , Andhra Pradesh , Hindustan Aeronautics Ltd , News Service , India Private , Development Organisation , Defence Research , All Rights , இந்தியா ஜநரல் , ஆந்திரா பிரதேஷ் , ஹிந்துஸ்தான் வான்செலவுத்துறை லிமிடெட் , செய்தி சேவை , இந்தியா ப்ரைவேட் , வளர்ச்சி ஆர்கநைஸேஶந் , பாதுகாப்பு ஆராய்ச்சி , அனைத்தும் உரிமைகள் ,

"Enhanced energy density and electric cycling reliability via MnO2 modi" by Letao Yang, Xi Kong et al.

Abstract
Sodium niobate (NaNbO )‐based dielectrics have received much attention for energy storage applications due to their low‐cost, lightweight, and nontoxic nature. The field‐induced metastable ferroelectric phase in NaNbO ‐based dielectrics, however, leads to a large hysteresis of the polarization–electric field (P–E) loops and hence deteriorate the energy storage performance. In this study, the hysteresis was successfully reduced by introducing Bi and Ti into A‐site and B‐site of NaNbO , respectively. MnO addition was added to further increase the ceramic density and enhance the cycling reliability. As a result, a high recoverable energy density of 4.3 J/cm and a high energy efficiency of 90% were simultaneously achieved in the ceramic capacitor at an applied electric field of 360 kV/cm. Of particular importance is that the ceramic capacitor exhibits a stable energy storage properties over a wide temperature range of −70 to 170 °C, with much improv ....

Dielectric Properties , Energy Storage ,

Heat conduction AlN granule is a new high-tech ceramic-The latest News,Technology,Industry,Environment,Low Carbon,Resource,Innovations

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T
he obtained product has high purity, uniform particle size distribution, clean surface, high sphericity, no residual impurities, easy dispersion, and good compatibility with organisms.
Heat conduction AlN granule
undergoes the second laser melting spherical alloying, and has a high thermal conductivity (340W) and heat transfer. The powder treated by surface modification will not undergo hydrolysis reaction
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T
he oxygen content is extremely low ( 0.1%), and the insulation and thermal conductivity effect is very obvious. Used in polymer resins, the viscosity is not obvious, and it is currently a good high thermal conductivity insulating filler.
Heat conduction AlN granule
Heat conduction AlN granule ....

High Tech , உயர் தொழில்நுட்பம் ,

3-year-old Deerfield Township boy expected to be OK after ceramic knife stabbing

3-year-old Deerfield Township boy expected to be OK after ceramic knife stabbing
Warren County Sheriff s Office says woman next door stabbed child
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Updated: 11:14 PM EST Mar 4, 2021
Warren County Sheriff s Office says woman next door stabbed child
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Updated: 11:14 PM EST Mar 4, 2021
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TONIGHT NEIGHBORS ARE INCREDIBLY SHOCKED. I GOT QUITE SURPRISED BECAUSE THIS NEIGHBORHOOD IS QUITE SAFE QUIET. A TRAUMATIC START TO THE DAY ON CHARLESTON PARK DRIVE. RESCUE 57. EMS 56. A STABBING WITH A PLASTIC KNIFE. WARREN COUNTY SHERIFF’S DEPUTIES SAY A 3-YEAR-OLD BOY WAS STABBED WITH WHAT THEY LATER FOUND WAS A CERAMIC KNIFE BY A WOMAN WHO LIVES RIGHT NEXT DOOR. THEY SAY HE WAS STABBED IN THE NECK AND BACK. IN A 911 CALL, HIS MOTHER SAID HIS BACK WAS COVERED IN BLOO OFFICIALS SAY THE SUSPECT’S TEENAGE DAUGHTER WAS TAKING PART IN VIRTUAL LEARNING WITH MASON CITY SCHOOLS AND PRIVATE ....

United States , Warren County , Tracey Carson , Dan Griffin , Warren County Sheriff Office , Deerfield Township , County Sheriff , Thursday Investigators , Charleston Park Drive , Deerfield Township Officials , Mason City Schools , Sharon Bond , Cincinnati Children , Hospital Officials , Charleston Park , 3 Year Old , ஒன்றுபட்டது மாநிலங்களில் , வாரன் கவுண்டி , ட்ரேசி கார்சன் , டான் கிரிஃபின் , வாரன் கவுண்டி ஷெரிப் அலுவலகம் , தீர்ப்பியல்ட் டவுன்ஷிப் , கவுண்டி ஷெரிப் , வியாழன் புலனாய்வாளர்கள் , சார்லஸ்டன் பூங்கா இயக்கி , தீர்ப்பியல்ட் டவுன்ஷிப் அதிகாரிகள் ,

German researchers net $2.5M to explore new dental materials

InterDent will receive 2.1 million euros over the next three years to explore how dental restorations can be made to last longer. ....

Paul Zaslansky , German Research Foundation , University Medicine Berlin , Technical University Berlin , Max Planck Institute Of Colloids , Medicine Berlin , Helmholtz Zentrum Berlin , Max Planck Institute , Dental Industry , Dental Professional , Dental Practice Management , Dental Hygienist , Dental Materials , ஜெர்மன் ஆராய்ச்சி அடித்தளம் , பல்கலைக்கழகம் மருந்து பெர்லின் , தொழில்நுட்ப பல்கலைக்கழகம் பெர்லின் , மருந்து பெர்லின் , டெஂடல் தொழில் , பல் மருத்துவர் , டெஂடல் ப்ரொஃபெஶநல் , டெஂடல் ப்ர்யாக்டீஸ் மேலாண்மை , டெஂடல் சுகாதார நிபுணர் , டெஂடல் பொருட்கள் ,