Nanosized hollow silica was prepared by Stӧber method in the presence of aluminum isopropoxide. ... It was found that the shell thickness of hollow silica was around 8 nm and the core diameter was around ... The characterizations of hollow silica were examined by TEM(transmission electron microscopy), TGA(thermogravimetric
Heteroatoms in situ-doped hierarchical porous hollow-activated carbons (HPHACs) have been prepared innovatively ... electrode materials in electrochemical energy storage ascribe to the particular hierarchical porous and hollow
Recently, hollow carbon spheres (HCS) have aroused great interests in the field of energy storage and ... the first time we propose a novel dual-template strategy and successfully fabricate interconnected 3D hollow
실험 제목Synthesis of Hollow Gold-Silver Alloyed Nanoparticles and Their Optical Properties2. ... Hollow Au-Ag 합금 NPs는 Ag NCs와 HAuCl4 사이의 galvanic replacement에 의해 합성될 수 있다. 반응식은 다음과 같다. ... 실험 목적Au 및 Ag로 구성된 속이 비어 있는 Hollow 타입의 나노 입자를 Galvanic replacement 방법을
Sleepy Hollow, who thought it was nothing more than a legend. ... diplomat, was famous for his book “The Sketch Book of Geoffrey Crayon, Gent,” “The Legend of Sleepy Hollow ... The ending of Sleepy Hollow also does not negate the inevitable historical fact of Yankee success in
It is expected that the hollow carbon ball can be used as catalyst supports. ... The development of hollow carbon balls by CO2 oxidation of two types of carbon blacks was studied. ... Generally it looked like an angular soccer ball, so we named it ‘hollow carbon ball.’
Carbon composites were prepared with pitch-based round, C, hollow-type carbon fibers and pitch matrix ... Especially, mesophase pitch-based hollow carbon fiber-carbon composites had the most excellent thermal
We present an easy method of preparing two-dimensional (2D) periodic hollow tin oxide (SnO2) hemisphere ... We proved that high porosity in a hollow SnO2 hemisphere structure allows easy diffusion of the target ... The results confirm that a 2D hollow SnO2 hemisphere array structure of micronmeter sizes can be a good
Penetrating mechanism Blunt mechanism Crush injury Burst injury Shear injury Crush injury Hollow organ ... 이 spine 에 compression 된 경우 Burst injury Distended 된 hollow organ 에 갑작스런 compression 이 가해진 경우 Seat-belt
It is expected that the hollow carbon ball can be used as catalyst supports. ... Generally it looked like an angular soccer ball, so we named it ‘hollow carbon ball.’
본 연구에서는 hollow fiber 막모듈을 통한 순수 CH4, CO2 기체와 CH4/CO2혼합기체의 투과 특성을 살펴 보고, 이를 모사값과 비교하여 보았다. ... characteristics of pure CH4, CO2and CH4/CO2gas mixture were examined by permeation experiments through hollow
Active layer의 형성법에 따른 첫번째 모듈 set와 두번째 모듈 set 사이의 성능변화가 축방향 속도와 용질 농도변화를 통하여 각 모듈 set별로 비교, 고찰되었다. 모든 실험들은 같은 transmembrane pressure와 막면적당 에너지 소모하에서 동시..
“The Legend of Sleepy Hollow” By Washington Irving I have heard of this title and headless horseman so ... guy good and the good guy bad is just one way that Irving switches things up in "The Legend of Sleepy Hollow
Si-C composite with hollow spherical structure was synthesized using ultrasonic treatment of organosilica ... On the other hand, the electrochemical performance of the hollow Si-C composite electrode exhibits a ... The improved electrochemical properties are attributed to facile diffusion of Li ions into the hollow