이번 실험에서는 vibrational mode에 대한 정보를 얻을 수 있는 Raman spectroscopy를 사용하였다. ... 그 과정에서 vibrational spectroscopy 중 하나인 Raman spectroscopy의 원리를 이해하고 분석 과정을 알아보았다. ... Vibrational state 간의 간격은 정도로 IR 영역이다. IR spectroscopy는 이처럼 그 간격만큼의 에너지를 흡수해서 생기는 스펙트럼을 관찰한다.
In this study, a vibrating nozzle using the waste vibration energy of the compressor body was installed ... To this end, the behavior of the suction valve according to the vibrating nozzle and the mass flow rate ... On the other hand, as the operating frequency and stroke of the vibration nozzle increased, the mass
The vibrator unit consists of small coin type vibrator and velcro, and was made to be attached at the ... 개발된 장치는 제어부(control unit), 구동부(drive unit), 진동부(vibrator)의 세부분으로 구성된다. ... 진동부는 작은 동전(coin) 형 진동기(vibrator)와 벨크로(velcro)로 구성되며 피험자의 손에 쉽게 고정 할 수 있도록 제작하였다.
Many previous studies have examined the characteristics of damping ratios from ambient vibration, but ... Free vibrations were obtained using random decrement technique, and damping ratios were evaluated by ... damping ratios and natural frequencies of 4 story RC building were investigated using long-term ambient vibration
shaved to reduce the vibration. ... The vibration of wheel is mainly affected by a fault on a wheel contacting with railway when average ... When the wheel vibration caused by wheel scratch increase more than a certain criterion, the wheel is
For tall buildings the first mode of vibration is dominant. ... In this paper, acceleration threshold of perception for the horizontal vibration of tall buildings was ... Excessive vibration of tall buildings by wind can give displeasure, such as giddiness and visual insecurity
실험명 IR(2) 실험목적 Gauss View라는 양자화학 계산프로그램을 이용하여 분자를 모델링하고, IR spectrum과 vibration mode를 확인한다. ... IR frequency calculation을 이용해 우리는 frequency를 확인할 수 있고, 이를 gauss view를 통해 spectrum 및 vibration mode를 확인할 ... 따라서 프로그램 아이콘에서 모델링하려 하는 분자와 가장 구조가 유사한 작용기를 선택한 뒤 치환기를 추가하는 형태로 분자를 모델링한다. - IR 계산 및 spectrum, vibration
Since ships are exposed to noise and vibration for a long time in seas isolated from land, the stress ... Within the scope of the study and the full-ahead mode, the vibration was highest in the engine control ... Application of the merchant vessel vibration standard to fishing vessel is expected to improve the working
Find the natural frequency of vibration of the systemHW#2 A four-cylinder automobile engine is to be ... three shock mounts (each of stiffness k and viscous-damping constant c) such that the amplitude of vibration
to whole-body vibration is prescribed in ISO 6954 : 2000(E). ... Shipboard vibration is closely concerned with the development of propulsion method that is main engine ... In the case of the human body is exposed to the shipboard vibration, the evaluation of human exposure
01 VIBRATIONInterference between Buildings and Plants Commercial facilityClassification : Individual ProjectProject time : 2017.01 -2017.02Role : All ..
Uranium dendrites were scraped and fell apart from the steel cathode by a vibration force. ... The vibrational scraping of the steel cathode was compared to the self-scraping of the graphite cathode ... Effects of the applied current density and the vibration stroke on the scraping of the uranium dendrites
IR Spectrum 보기 : 분자를 마우스 우클릭 > Results > Vibrations ? ... 이때 파일 형식을 가우시안 아웃풋 파일로 설정해서 파일을 찾는다. ※ 분자 번호 보는 방법 : 분자를 마우스 우클릭 > View > Labels 2) 분자 Vibration 보기, ... Vibration Spectrum Gauss View에서 확인 1) frequency calculation 결과 파일 열기 가우시안 프로그램에서 저장한 위치에서 저장한 파일을 불러온다
The behaviour of semiconducting graphene quantum dots (GQDs), as good candidates for various biological carrier applications and optical sensing, are..
This paper is concerned with the vibration control of multi-layer structure for ultra-tall buildings ... As a result, the LQ regulator showed good vibration control performance with impact excitation.
Rain-wind induced cable vibration can cause serious problems in cable-stayed bridge. ... This paper extends the previous work by adding active control system to mitigate the cable vibration. ... the active control system can provide superior protection than the passive control system for a cable vibration