搜索结果: 1-15 共查到“理学 formaldehyde”相关记录39条 . 查询时间(0.109 秒)
Influence of Vibration on Automotive Interior Decorations Volatile Formaldehyde
Car Interior Dynamics Formaldehyde Static Vibration
2011/12/21
In order to study the influence of driving on automotive interior decorations volatile formaldehyde, the JX-3B vibration sensor calibration of sine excitation simulates car vibration. The concentratio...
Tannin–Phenol Formaldehyde Resins As Binders for Cellulosic Fibers: Mechanical Properties
Tannin Tannin-formaldehyde Resins Phenol- formaldehyde Resins Mechanical Properties
2013/3/8
In this study Eucalyptus tannin (T) was isolated from outer bark of Eucalyptus trees; as sodium phenoxide salt and used as extender or copolymer into phenol formaldehyde (PF) resin at five percent (10...
Reactive processing of formaldehyde and acetaldehyde in aqueous aerosol mimics: Surface tension depression and secondary organic products
Surface tension depression and secondary organic products aqueous aerosol mimics
2011/9/2
The reactive uptake of carbonyl-containing volatile organic compounds (cVOCs) by aqueous atmospheric aerosols is a likely source of particulate organic material. The aque ous-phase secondary organic p...
Source identification and budget analysis on elevated levels of formaldehyde within the ship plumes: a ship-plume photochemical/dynamic model analysis
Source identification budget analysis the ship plumes a ship-plume photochemical/dynamic model analysis
2010/12/28
Elevated levels of formaldehyde (HCHO) along the ship corridors have been observed by satellite sensors, such as ESA/ERS-2 GOME (Global Ozone Monitoring Experiment), and were also simulated by global ...
Estimating European volatile organic compound emissions using satellite observations of formaldehyde from the Ozone Monitoring Instrument
European volatile organic compound satellite observations the Ozone Monitoring Instrument
2010/12/20
Emission of non-methane Volatile Organic Compounds (VOCs) to the atmosphere stems from biogenic and human activities, and their estimation is difficult because of the many and not fully understood pro...
Deuterated formaldehyde in rho Ophiuchi A
astrochemistry – ISM abundances – ISM clouds – ISM individual objects ρ Oph A – ISM molecules
2010/11/16
Context. Formaldehyde is an organic molecule that is abundant in the interstellar medium. High deuterium fractionation is a common feature in low-mass star-forming regions. Observing several isotopolo...
GOME-2 observations of oxygenated VOCs: what can we learn from the ratio glyoxal to formaldehyde on a global scale?
GOME-2 oxygenated VOCs the ratio glyoxal a global scale
2010/11/3
Collocated data sets of glyoxal (CHO.CHO) and formaldehyde (HCHO) were retrieved for the first time from measurements of the Global Ozone Monitoring Experiment-2 (GOME-2) during the first two years of...
Observations of elevated formaldehyde over a forest canopy suggest missing sources from rapid oxidation of arboreal hydrocarbons
elevated formaldehyde a forest canopy suggest rapid oxidation arboreal hydrocarbons
2010/9/21
To better understand the processing of biogenic VOCs (BVOCs) in the pine forests of the US Sierra Nevada, we measured HCHO at Blodgett Research Station using Quantum Cascade Laser Spectroscopy (QCLS) ...
The Effect of Xylene and Formaldehyde Inhalation on Testicular Tissue in Rats
Testes Relaxin-like Factor Xylene Formaldehyde Rat
2016/5/5
In this study, changes in testicular tissues of rats subjected to xylene and formaldehyde inhalation were evaluated. Three experimental groups were included in the study. Each group of rats was expose...
Pressure dependence of the deuterium isotope effect in the photolysis of formaldehyde by ultraviolet light
the deuterium isotope effect the photolysis of formaldehyde ultraviolet light
2010/8/12
The pressure dependence of the relative photolysis rate of HCHO vs. HCDO has been investigated for the first time, using a photochemical reactor at the University of Copenhagen. The dissociation of HC...
Formaldehyde and its relation to CO，PAN，and SO2 in the Houston-Galveston airshed
Formaldehyde CO PAN SO2 Houston-Galveston airshed
2010/3/16
The Houston-Galveston Airshed (HGA) is one of the major metropolitan areas in the US that is classified as a nonattainment area of federal ozone standards. Formaldehyde (HCHO) is a key species in unde...
A Multiple Processing Hybrid Flow System for Analysis of Formaldehyde Contamination in Food
Hybrid Flow System Analysis Formaldehyde Contamination in Food
2010/9/20
This work proposes a flow system suitable for the rapid screening of formaldehyde contaminated in food. The system is based on the concept of a flow analyzer with a Hantzsch reaction. An operating pro...
Ground-based FTIR and MAX-DOAS observations of formaldehyde at Réunion Island and comparisons with satellite and model data
Ground-based FTIR MAX-DOAS observations formaldehyde Réunion Island
2009/12/31
Formaldehyde (HCHO) columns have been retrieved from ground-based Fourier transform infrared (FTIR) campaign measurements in 2004 and 2007 and from UV-Visible MAX-DOAS measurements in 2004–2005 at the...
On the distribution of formaldehyde in the western Po-Valley, Italy, during FORMAT 2002/2003
formaldehyde western Po-Valley Italy
2009/12/31
Formaldehyde was measured in the area of Milano, Italy, during the 2002 and 2003 FORMAT campaigns at three ground field sites and from an ultralight aircraft. The horizontal distributions show a stron...
Satellite measurements of formaldehyde linked to shipping emissions
Satellite measurements formaldehyde shipping emissions
2009/11/19
International shipping is recognized as a pollution source of growing importance, in particular in the remote marine boundary layer. Nitrogen dioxide originating from ship emissions has previously bee...