نتایج جستجو برای: volatile component

تعداد نتایج: 653688  

2013
Kshitij Doshi Peter Varman

Advances in memory technology are promising the availability of byte-addressable persistent memory as an integral component of future computing platforms. This change has significant implications for software that has traditionally made a sharp distinction between durable and volatile storage. In this paper we describe a software-hardware architecture for persistent memory that provides atomici...

2006
SALEM A. BASAIF Salem A. Basaif

The essential oil of Salvia aegyptiaca was analysed by GC/ MS technique. Eighteen compounds were identified. It was found that the essential oil comprises 40% terpenoidal constituents, opposite to 32% fat derivatives. The major terpenoidal component was 1(10)aristolene (19.3%). From the non-volatile matter, β-amyrin, lupeol, β-sitosterol, stigmasterol, β-sitosterol-β-D-glucopyranoside and stigm...

2004
Linda J. Broadbelt

Objective: Emission of volatile organic compounds (VOC’s) into the atmosphere leads to increases in the concentration of ambient ozone, a major component of photochemical smog. Therefore, the ability to determine the contribution of a selected VOC to ozone formation would be extremely valuable for both environmental and industrial reasons. To this end, a promising strategy is to create detailed...

2013
Ellis Giles Kshitij Doshi Peter Varman

Advances in memory technology are promising the availability of byte-addressable persistent memory as an integral component of future computing platforms. This change has significant implications for software that has traditionally made a sharp distinction between durable and volatile storage. In this paper we describe a software framework for persistent memory that provides atomicity and durab...

Journal: :The journal of physical chemistry. B 2006
M J Loeffler B D Teolis R A Baragiola

We present results of the growth of thin films of crystalline H2O2 and H2O2*2H2O (dihydrate) in ultrahigh vacuum by distilling an aqueous solution of hydrogen peroxide. We traced the process using infrared reflectance spectroscopy, mass loss on a quartz crystal microbalance, and in a few cases ultraviolet-visible reflectance. We find that the different crystalline phases-water, dihydrate, and h...

Journal: :Journal of insect physiology 2003
Lukasz L Stelinski James R Miller Noah E Ressa Larry J Gut

As measured by electroantennograms (EAG), both male and female obliquebanded leafrollers, Choristoneura rosaceana (Harris), and redbanded leafrollers, Argyrotaeniavelutinana (Walker), were similarly sensitive to host-related plant volatiles: trans-2-hexenal, benzaldehyde, 1-hexenol, cis-3-hexen-1-ol, geraniol, linalool, (+)-limonene, hexenal and trans-2-hexenol. Females of both species were sim...

Journal: :Annals of botany 2011
Cesar Rodriguez-Saona Leonardo Parra Andrés Quiroz Rufus Isaacs

BACKGROUND AND AIMS Studies of the effects of pollination on floral scent and bee visitation remain rare, particularly in agricultural crops. To fill this gap, the hypothesis that bee visitation to flowers decreases after pollination through reduced floral volatile emissions in highbush blueberries, Vaccinium corymbosum, was tested. Other sources of variation in floral emissions and the role of...

Journal: :Phytotherapy research : PTR 2009
Hocine Laouer El Kolli Meriem Soizic Prado Nicolas Baldovini

The volatile constituents of the aerial parts of Carum montanum (Coss. et Dur.) Benth. et Hook. were analysed by GC-FID and GC-MS, and the main component was isolated and identified as nothoapiole. The antibacterial and antifungal activities of this compound and of the total oil were investigated against Gram-negative (P. aeruginosa, E. coli), Gram-positive (E. faecalis, S. aureus, S. epidermit...

Ali Jafari Ali Ramazani Fariba Sadri Pegah Azimzadeh Asiabi Sang Woo Joo Yavar Ahmadi

A green and convenient protocol is described for the preparation of E-1-(alkylamino)-3- (1,3-dioxoisoindolin-2-yl)-2-methyl-1-oxopropan-2-yl viaone-pot three-component reaction between 2-(2-oxopropyl)isoindoline-1,3-dione, an alkyl isocyanide and an E-cinnamic acid in water at room temperature. The methods used to follow the reactions are TLC and NMR, which indicated that there is no side produ...

2013

The flavor volatile compounds of dried red cashew flowers, cashew leaf-buds, cashew leaves and licorice roots as well as flavored herb teas were analyzed by gas chromatography-mass spectrophotometry (GC-MS). It was found that terpenes, including α-pinene, α-phellandrene and β-phellandrene were the main volatiles in the cashew leaf-buds and leaves. The major volatile compounds of the red cashew ...

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