Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 7 of 7 for “"Beta-pinene"”.
-
Chemical and Physical Studies of Secondary Organic Aerosol Formed from Beta-pinene Photooxidation
… (SOA) formation from OH-initiated oxidation of -pinene. The majority of experiments were conducted in the York University smog chamber. The main objective was to identify the gas and particle phase products with an atmospheric pressure chemical ionization mass spectrometer (APCI-MS/MS). A wide …
-
Evaluating the Utility of an Atmospheric Pressure Chemical Ionization Mass Spectrometer for Detecting Organic Peroxides During Beta-Pinene Ozonolysis Experiments
… detect organic peroxide products formed during β-pinene ozonolysis experiments. Detection was based on utilizing the neutral-loss scan (NLS) analysis mode of the APCI-MS/MS to observe ion signals exhibiting unique mass losses of 34 u. This mass loss was considered exclusive to protonated organic …
-
Investigations of Bicyclo(3.1.1)heptane Terpenes in Higher Plants: Stereochemistry of Pinene Biosynthesis and Isolation of Bergamoten-12-Oic Acids
Cell-free enzyme preparations of (+)-pinene cyclase I and ($-$)-pinene cyclase II isolated from leaves of common sage (Salvia officinalis) are known to convert geranyl pyrophosphate (GPP) to the bicyclic monoterpenes (+)-$\alpha$-pinene (cyclase I) and ($-$)-$\alpha$-pinene and ($-$)-$\beta$-pinene …
-
Secondary organic aerosol formation of relevance to the marine boundary layer
… in this study are three monoterpenes (alpha-pinene, beta-pinene, and d-limonene) and two aromatics (m-xylene and toluene), respectively. Results indicate that the oxidation of these monoterpenes and aromatics generates significant amounts of aerosol. The SOA yields of alpha-pinene, …
-
Modeling secondary organic aerosol formation from biogenic hydrocarbons
… with three monoterpene species---alpha-pinene, beta-pinene, and d-limonene. The updated CACM and MPMPO modules were calibrated by ozone formation and SOA yield data for alpha-pinene, beta-pinene, and d-limonene from chamber experiments. Then, the updated CACM and MPMPO were incorporated …
-
USING ANALYTICAL METHODOLOGIES TO ASSESS THE ORGANOLEPTIC CHARACTER OF CITRUS ESSENTIAL OIL
… distinct grapey character, as well as gamma terpinene, thymol, sinensal, alpha pinene, beta pinene, myrcene, para cymene, alpha terpineol, and beta caryophyllene. Each of these ten compounds contributes to the unique flavor profile of mandarin oils when compared to orange and tangerine essential …
-
Assembly of Life Cycle Inventories using Physical Models and Supervised Learning to support Sustainable Process Development in the Pharmaceutical Industry
… paracetamol manufacture from bio-waste derived β-pinene. An LCI of this alternative synthesis route is estimated based on detailed process models developed in Aspen Plus, and the associated environmental impacts are quantified. A “worst case” GWP of 58 kg CO2-eq./kg product was predicted, and …