at 20°c end of the process

... trends These double dates are ‘harvest years’ The earlier date relates to the harvest of the northern hemisphere and the later figure to that of the southern hemisphere Oils and fats come from oilseeds, ... stereospecific distribution of the fatty acyl groups has a significant influence on the oxidative stability of the soybean oil It was suggested that concentration of unsaturated fatty acid at the sn-2 position ... had the lowest palmitate percentage, and that PE had the lowest stearate percentage Stereospecific analysis indicated that saturated fatty acids were concentrated at the sn-1 position, and the...

Ngày tải lên: 02/04/2014, 15:06

... the C and O simulators Fig.8 shows infiltration rate of seawater by tidal action both in the C and O simulators The infiltration rates of sweater at day 23 in the C and O simulators were 9.2 x ... for the decrease in the filtration rate Also, the growth of benthic algae (Fig 3(b)) seems to be responsible for the reduction of infiltration rate The concentration of chlorophyll-a in the surface ... than that before the oil spill In day 58, the infiltration rate in the O simulator returned to that without oil spill, i.e 8.5 x 10-3 m3 m-2 day-1 The restoration of the infiltration rate is...

Ngày tải lên: 05/09/2013, 08:40

... degradation At the end of the study, the TIC chromatograms were dominated by sterane biomarkers as the most abundant compounds in the fraction of hydrocarbons The dominant compounds in the hydrocarbon ... 2011) The results of bioremediation of soil were compared with the results of biodegradation in untreated control biopile During the process of natural microbial degradation an expected trend was ... sufficient number of data points to accurately describe the shape of the peak (at least 10 points per peak) a detector must collect data at a rate of at least 100 Hz For the coupling of GC ì GC with...

Ngày tải lên: 28/06/2014, 17:20

... 8.1.1 Construction of the Monolithic Columns and Optimization of the Separation Conditions 8.1.2 Characterization of the Phenolic Compound Profiles 8.1.3 Construction of Data Matrices and LDA ... Triacylglycerols These compounds comprise 98–99 % of the oils They are esters derived from the union of glycerol (1,2,3-propanetriol) and fatty acids Generally, the fatty acids at the central position of the ... molecule are generally unsaturated, although saturated acids can be found at this position when the total concentration of saturated fatty acids in the oil is very high The most abundant triacylglycerols...

Ngày tải lên: 07/03/2014, 21:20

... state The polarization of the emitted photon is correlated to the new angular coordinates of the molecule which are rotated from the initial angular coordinates at the time of photoabsorption The ... to the large ring systems If the former explanation is correct, the lifetime of the UV fluorescence of asphaltenes should match that of maltenes If the latter explanation is correct, then the ... is then detected at some later time after excitation Detecting the polarization of the fluorescence emission enables a recording of the polarization of the molecular ensemble as a function of...

Ngày tải lên: 02/04/2014, 16:03

... working week of its operation At the price of the pure compound, the purchase price of the CDCD equipment was nearly returned in the first week Indications were that fatty acids more unsaturated than ... used in the testing of oils and fat-containing foods Number of Samples The number of samples that can be evaluated in one session is dependent on the nature of the product and on the amount of training ... min/d over a period of 1–2 weeks The exact length of time depends on the nature of the products to be tested, the number of attributes to be evaluated, and the past experience of the panelists Training...

Ngày tải lên: 23/05/2014, 12:34

... comparison, the boiling point of acetone at 56.5ºC lies between that of ethyl formate and methyl acetate The boiling point of methyl formate at 32ºC is similar to that of diethyl ether The vapor ... operations) • The efficiency of the char recovery system to separate the char from the bio-oil vapors before condensation • The efficiency of the condensation equipment to recover the volatile ... temperature during pyrolysis • The extent of vapor dilution in the reactor • The time and temperature history of the vapors in the reactor • The time and temperature history of the vapors in the...

Ngày tải lên: 19/06/2014, 14:02

... biological effect of the essential oils of L resedifolia There no reports on the essential oils of the species of the genus launaea except that reported by Cheriti et al [6] In continuation of our phytochemical ... of normal alkanes), and by comparison of their mass spectral fragmentation patterns with those reported in the literature [12] and stored on the MS library (NIST database) The concentration of ... noteworthy that the results of this study may be considered as the first report on the composition of the essential oils of this endemic species 2.6 Antimicrobial activity The quantification of antibacterial...

Ngày tải lên: 20/06/2014, 20:20

... location of the BINATS transects This 4.8 h survey included finding the location of the ten test circles, measuring the exact position of the test circles, justifying the cardinal points of the transect ... with >20% of forests accounted for a rejection rate of about 30% and resulted in a final selection of × 50 BINATS test areas Table Methods of the BINATS survey of the indicator groups habitat structures, ... available together with a representative set of adequate test areas Recommendations and perspectives To assess biodiversity trends, regular reassessments of the BINATS data are needed The underlying...

Ngày tải lên: 21/06/2014, 05:20

... biological effect of the essential oils of L resedifolia There no reports on the essential oils of the species of the genus launaea except that reported by Cheriti et al [6] In continuation of our phytochemical ... of normal alkanes), and by comparison of their mass spectral fragmentation patterns with those reported in the literature [12] and stored on the MS library (NIST database) The concentration of ... noteworthy that the results of this study may be considered as the first report on the composition of the essential oils of this endemic species 2.6 Antimicrobial activity The quantification of antibacterial...

Ngày tải lên: 21/06/2014, 17:20

... noteworthy that the results of this study may be considered as the first report on the composition of the essential oils of this endemic species Chahma A voucher specimen was deposited at the herbarium ... reported in the literature [12] and stored on the MS library (NIST database) The concentration of the identified compounds was computed from the GC peak total area without any correction factor The compounds ... allowed the identification of 86.68% of the total volatile products for L resedifolia and 19 volatile compounds A major constituent in visible parts was Dioctyl phthalate (39.84%) and the yield of...

Ngày tải lên: 21/06/2014, 19:20

... Preparation of Selenium-Doped Activated Carbon 12 process that result in the generation of off-flavours that is often associated with the reduction in nutritional value.4 In fact, the quality of the ... avoided The procedure involved the long-term irradiation of the samples with thermal reactor neutrons and the measurement of the γ-rays of Se75 thus produced The irradiated samples in the Kartini ... rise to smelly and offflavours At 28.5°C, the viscosity for the MAC-treated used coconut oil is close to that of the fresh coconut oil, indicating the high purity of the MAC-treated used coconut...

Ngày tải lên: 07/08/2014, 14:20

... to the work which stated that fat concen- tration resulted in an They increase in consistency index (K) Furthermore, the previous research globule demonstrated ob- served at aggregates of fat ... Fig and diam- The patterns of the size distribution data Table changed noticeably at higher heating were temperature The effect clearly seen as the data from on the droplet size was of homogenizing ... However, heat of fat droplet an increase higher temperaturesize which resulted in treatment at of led to the ing of tion particleapparent viscosity For aggregatfat of and this phenomenon caused the...

Ngày tải lên: 08/08/2014, 15:22

... to the surface of fat droplets preventing the aggregation of the fat droplets while CMC caused an increase in viscosity of continuous phase therefore retarded the gravitational separation of the ... observed that adding the it was after homogenization for of coconut sugar resulted in the more concentration globules Furthermore, the effect aggregation of fat of sugar tion The fat globules tended ... increase the viscosity of the continuous phase (Kim et al., 2003; McClements, 2004) and this resulted in the retardation of the fat droplet aggregation The results also showed that the ES of coconut...

Ngày tải lên: 08/08/2014, 15:22

... identify patterns of their spatial distribution and to analyze the changes in their physico-chemical properties that depend on the geological and thermobaric conditions of their occurrence The development ... properties of oils, their geographical location, geological modes of occurrence and formation temperature and pressure Table offers a description of the continental distribution of the database information ... respectively) as the main Russian oil producing regions Table shows the distribution of information from the data base for these three basins These data indicate that the most abundant reserves of viscous,...

Ngày tải lên: 09/09/2015, 10:32

... (Chemat, 2010) This method has some important drawbacks The elevated temperatures can cause modifications of the essential oil components and often a loss of the most volatile molecules (Chemat, ... Flow rate of the gas: Through the column, speeding up the carrier gas flow increases the speed with which all compounds move through the column  Length of the column: The longer the column, the ... and pressure of system at 0.7bar, 200g of grinded materials and 400ml distilled water were then submitted to the apparatus at 60oC, 70oC, 80oC, and 90oC Subsequently, the distillates of essential...

Ngày tải lên: 23/10/2015, 15:38

... convinced that such software from the distribution is really required and there are no other alternatives Too much dependence on proprietary software nullifies the vendor independence aspect of embedded ... conditions of embedded systems The core of ELinOS is a Linux kernel custom-tailored for the target Features ElinOS v3.1 is the latest available at the time of this writing It has the following features ... Corporation, and Toshiba Corporation were the founders of CELF The year 2003 ended with the release of the Linux 2.6.0 kernel 1.1.6 Year 2004 Some of the highlights of the year 2004 were as follows Introduction...

Ngày tải lên: 04/08/2012, 14:23

... measure the strength and flow properties of bulk materials They also measure the amount of compaction as well as the bulk strength of materials (Rosentrater, 2006) Another approach for measuring the ... to 12.26% at the end of the 13-week storage period (Table 6) As expected, crude protein concentration did not change in DDGS and no aflatoxin was present initially or at the end of the storage ... than 600 microns The weights of DDGS collected on each screen were then used to calculate the percentage of weight of each fraction of the total separated In addition to determining the average particle...

Ngày tải lên: 08/08/2012, 10:03

Ngày tải lên: 08/08/2012, 17:20