搜索结果: 1-15 共查到“工学 Highly Efficient”相关记录21条 . 查询时间(0.063 秒)
Hexachlorocyclotriphosphazene Functionalized Graphene Oxide as a Highly Efficient?Flame Retardant
flame-retardant thermal stability epoxy resin combustion
2023/12/19
A?flame-retardant?composite was synthesized through a simple graphene oxide functionalization route with hexachlorocyclotriphosphazene and p-phenylenediamine. Flame experiments conducted on the synthe...
Development of a Highly Efficient Environmentally Friendly Plasticizer
adipate effective plasticizer environmentally friendly esterification polyvinyl chloride technological
2023/12/1
The purpose of this work is the synthesis of adipic acid ester and the study of the possibility of its use as a PVC plasticizer. The resulting butyl phenoxyethyl adipate was characterized by Fourier-t...
New Design Results in Compact,Highly Efficient Frequency Comb
New Design Results Compact Highly Efficient Frequency Comb
2017/3/30
Northwestern Engineering researchers have designed a quantum cascade laser (QCL) frequency comb that is dramatically more efficient than previous iterations. Led by Manijeh Razeghi, researchers i...
2017年先进高效的光伏器件研讨会（Symposium ES11—Advanced and Highly Efficient Photovoltaic Devices）
2017 先进 高效 光伏器件 研讨会
2017/2/16
The symposium will cover materials that can assist solar photovoltaic collectors to attain higher power-conversion efficiency through the use of novel electronic structure and/or innovative optical pr...
Making Hydrogen Fuel from Water and Visible Light Highly Efficient（图）
Making Hydrogen Fuel Water Visible Light Highly Efficient
2015/9/9
Mimicking photosynthesis is not easy. The bottleneck of artificial photosynthesis is visible light, because converting it into other forms of energy is not efficient. Researchers at Michigan Technolog...
XSTREAM: A Highly Efficient High Speed Real-time Satellite Data Acquisition and Processing System using Heterogeneous Computing
Heterogeneous computing Hybrid Computing Satellite Data Processing Real-time Processing IRS Cartosat GP/GPU FPGA OpenCL
2014/12/16
In the last decade, the remote sensing community has observed a significant growth in number of satellites, sensors and their resolutions, thereby increasing the volume of data to be processed each da...
Preparation and characterization of nano-CaO based on eggshell waste：Novel and green catalytic approach to highly efficient synthesis of pyrano[4,3-b]pyrans
Nano-calcium oxide Eggshell waste Biocatalyst Pyrano[4,3-b]pyrans Ball-mill
2014/3/8
Nano-CaO was prepared by calcination of ball-milled chicken eggshell waste. This novel, bioactive, heterogeneous catalyst, which had high catalytic activity and reusability, was used in the green synt...
Rice husk ash supported FeCl2·2H2O：A mild and highly efficient heterogeneous catalyst for the synthesis of polysubstituted quinolines by Friedländer heteroannulation（图）
Rice husk ash Supported FeCl2·2H2O, Quinolines 2-Amino benzophenone Solvent-free Friedlä nder heteoannulation
2013/12/5
Rice husk ash was used as a new, green, and cheap adsorbent for FeCl3. Characterization of the obtained reagent showed that rice husk ash supported FeCl2·2H2O was formed. This reagent is efficient at ...
Nano-Fe3O4 Encapsulated-Silica Particles Bearing Sulfonic Acid Groups as a Magnetically Separable Catalyst for Highly Efficient Knoevenagel Condensation and Michael Addition Reactions（图）
magnetic nanoparticle silica Knoevenagel condensation Michael addition cyclic diketone
2013/10/4
Sulfonic acid-functionalized silica-coated nano-Fe3O4 particles (Fe3O4@SiO2-SO3H) have been prepared as a novel heterogeneous acid using a facile process. The material was subsequently identified as a...
Mild and Highly Efficient Method for Synthesis of 14-Aryl(alkyl)- 14H-dibenzo[a,j]xanthenes and 1,8-Dioxooctahydroxanthene Derivatives Using Pentafluorophenyl Ammonium Triflate as a Novel Organocatalyst（图）
pentafluorophenyl ammonium triflate organocatalyst xanthene β-naphthol
2013/10/7
A simple and facile synthesis of 14-aryl and alkyl-14H-dibenzo[a,j]xanthenes and 1,8-dioxooctahydroxanthene derivatives has been successfully developed by treatment of β-naphthol or dimedone with alde...
Highly Efficient and Environmentally Friendly Preparation of 14-Aryl-14H-dibenzo[a,j]xanthenes Catalyzed by Tungsto-divanado-phosphoric Acid（图）
xanthene one-pot condensation aldehyde β-naphthol heteropolyacid Keggin solvent-free
2013/10/7
A rapid and efficient procedure for the preparation of various aryl-14H-dibenzo[a,j]xanthenes was reported. The method developed produced excellent yields via one-pot condensation of β-naphthol with v...
Cobalt Nanoparticles Promoted Highly Efficient One Pot Four-Component Synthesis of 1,4-Dihydropyridines under Solvent-Free Conditions（图）
cobalt nanoparticle 1,4-dihydropyridine four-component condensation heterogeneou catalyst magnetically separable catalyst
2013/10/10
A straightforward and general method has been developed for the synthesis of C5-unsubstitiuted 1,4-dihydropyridines by a reaction using dimedone, acetophenone, aromatic aldehydes, and ammonium acetate...
A HIGHLY EFFICIENT PIPELINE ARCHITECTURE OF RDO-BASED MODE DECISION DESIGN FOR AVS HD VIDEO ENCODER
mode decision RDO, AVS pipeline
2013/7/24
Like H.264, AVS video coding standard also uses macroblock (MB) based motion compensation (MC) and mode decision (MD). Rate distortion optimization (RDO) is the best known mode decision method, but wi...
Phase Sensitive Degenerate Parametric Amplification Using Highly Efficient PPLN Ridge Waveguides
Nonlinear optics parametric processes Lithium niobate
2015/5/22
We constructed the first CW pumped degenerate parametric amplifier based on PPLN waveguides. We successfully demonstrated an in-phase gain of +11 dB and the phase sensitive amplification of a modulate...
Highly efficient and widely wavelength-tunable anti-Stokes signal conversion in the fundamental mode of photonic crystal fibe
Highly efficient wavelength-tunable anti-Stokes signal conversion undamental photonic crystal fibe
2015/5/20
Anti-Stokes signals from 645 to 543nm are generated in the fundamental mode. The power ratio of signal at 543 nm to residual pump at 840 nm is 22.6:1, the conversion efficiency P as /P p0 being above ...