removal of nonlipid contaminants from lipid extracts and other practical considerations

Feasibility study of removal of surface contaminants from solid surfaces using water jets with bubbles and ultrasound

Ngày tải lên : 08/09/2015, 18:19

... play a large role in the removal process A greater understanding of all these factors would not only enhance our understanding of the dynamics of the removal of surface contaminants via bubble ... agglomeration and removal of surface contaminant removal The summary of this investigation can be found in Chapter of this dissertation The characteristics of impinging bubbles and bubble jets ... was used Ten random readings of the average profile roughness Ra over a distance of 20mm were taken for each of the five specimens A to E As a rule of thumb, the standard deviation of the ten readings...

218
464
0

Removal of heavy metals from wastewater using agricultural and industrial wastes as adsorbents

Ngày tải lên : 20/07/2014, 12:47

... Cu removal by different weights of absorbents The effect of the amount of adsorbent on the removal of Cu ions by rice husk is depicted in Table for varied adsorbent doses of 20, 30, 40, 50 and ... effect of the amount of adsorbent on the removal of Ni ions by rice husk is depicted in Table for varied adsorbent doses of 20, 30, 40, 50 and 60 mg/l Ni removal using rice husk increased from ... different weights of absorbents The effect of the amount of adsorbent on the removal of Fe ions by rice husk is depicted in Table for varied adsorbent doses of 20, 30, 40, 50 and 60 mg/l Fe removal using...

7
675
0

Accurate and sensitive determination of selected contaminants from food packaging materials

Ngày tải lên : 14/09/2015, 08:39

... (BADGE-2H2O and BFDGE2H2O) from the canned coffee sample 106 Figure 7.1 Chemical structures of ITX-d7 and ITX (2- and 4- isomers) 127 Figure 7.2 Product ion scan mass spectra of 500 μg/L ITX standard ... migration of various types of toxic contaminants from food packaging materials into oily, aqueous and acidic food matrices The first part of the project focuses largely on the development and optimization ... Effect of the oily food matrix on the migration profile of 67 bisphenolic analytes in solid and liquid food portions 3.7.2 Effect of the aqueous food matrix on the migration 69 profile of bisphenolic...

209
208
1

Adsorptive removal of rhodamine b from aqueous solution using brewers spent grains batch and column study

Ngày tải lên : 26/09/2015, 11:07

... effect of initial pH of dye solution Fig Effect of initial concentration and contact time on the removal of RhB Fig The effect of biosorbent dosage Fig Pseudo-first-order kinetic plot for the removal ... removal of RhB Fig Pseudo-second-order kinetic plot for the removal of RhB Fig (a) Langmuir adsorption isotherm (b) Freundlich adsorption isotherm Fig Effect of bed height on the removal of Rhodamine ... List of Tables Table Parameters of pseudo-first-order model Table Parameters of pseudo-second-order model Table 3a Parameters of Langmuir and Fredudlich isotherm model Table 3b Parameters of Langmuir...

50
402
0

Removal of congo red from wastewater by adsorption onto waste red mud

Ngày tải lên : 23/09/2012, 14:47

... Fe(III)/Cr(III) Namasivayam of dairy (11) and coworkers from employed solutions of using containing congo fly ash and coal(g) et al (12) have of nickel of this a textile such of chlorophenol study ... coverage of on dye and outer of adsorbent 20 40 60 80 loo Agdatlon Fig of equilibrium The equilibrium from effect on adsorption dye and shows 120 lime 140 160 180 200 (min) Effect of agitation time and ... values slope and intercept Table The applicability and of the coverage of and b values non-conventional of Q, congo red 10 Langmuir plot isotherm the are shown 15 20 25 surface of congo in Table...

17
897
1

Characteristics of hydrogen production from food waste and waste activated sludge

Ngày tải lên : 05/09/2013, 08:40

... was supplemented with 200 mg of KH2PO4, 14 mg of MgCl2•4H2O, mg of Na2MoO4•4H2O, mg of CaCl2•2H2O, 2.5 mg of MnCl2•6H2O, and 10 mg of FeCl2•4H2O, which was modified from Lay et al (1999) NaHCO3 ... produce moles of hydrogen with mole of n-butyrate or moles of hydrogen with mole of acetate from mole of hexose In most cases using soluble defined substrates, hydrogen production yield and major ... M1-0203-00-0063 from the National Research Laboratory Program of the Korean Ministry of Science and Technology REFERENCES APHA, AWWA, WEF, 1998 Standard Methods for the examination of Water and Wastewater,...

11
616
0

Tài liệu Determining the Cost of Producing Ethanol from Corn Starch and Lignocellulosic Feedstocks pot

Ngày tải lên : 22/02/2014, 05:20

... Cost of Producing Ethanol from Corn Starch and Lignocellulosic Feedstocks A Joint Study Sponsored by: U.S Department of Agriculture and U.S Department of Energy Andrew McAloon, Frank Taylor, and ... kilowatts (kW) of power Of this demand, 53% is for the solids separation/drying and syrup evaporation equipment Fermentation pumps use 7% of the power, while the hammermills and other grain handling ... cellulase enzyme from enzyme production (A400) and other nutrients, is added to the first fermentor After several days of saccharification and fermentation, most of the cellulose and xylose will...

44
762
0

Báo cáo khoa học: "Automatic Identification of Word Translations from Unrelated English and German Corpora" pot

Ngày tải lên : 08/03/2014, 06:20

... cooccurrences of words that are translations of each other If - for example - in a text of one language two words A and B co-occur more often than expected by chance, then in a text of another language ... terms of corpus frequencies: kl~ = frequency of common occurrence of word A and word B kl2 = corpus frequency of word A - kll k21 = corpus frequency of word B - kll k22 = size of corpus (no of tokens) ... to save disk space and processing time we decided to remove all function words from the texts This was done on the basis of a list of approximately 600 German and another list of about 200 English...

8
438
0

Báo cáo "Reseach on the removal of hexavalent chromium from aqueous solution by iron nanoparticles " doc

Ngày tải lên : 14/03/2014, 10:20

... VNU Journal of Science, Natural Sciences and Technology 24 (2008) 233-237 effectiveness of Cr(VI) reduction by nanoiron and iron powder Results and discussion 3.1 Characterization of Fe0 nanoparticles ... the concentration of initial Cr(VI) After 20 minutes, the removal is 100% at concentration of 2mg/l and 69.32% at concentration of 5mg/l When treatment time increased then Cr(VI) removal efficiency ... Conclusion The removal of Cr(VI) by Fe0 nanoparticles was studied, the concentration of Fe0 nanoparticles had effect on the reduction of Cr(VI) When the mass ratio of Fe0 to Cr(VI) was 50:1, 100% removal...

5
365
0

Báo cáo khoa học: Effects of salt on the kinetics and thermodynamic stability of endonuclease I from Vibrio salmonicida and Vibrio cholerae potx

Ngày tải lên : 16/03/2014, 06:20

... MT Jr, Zhang W & Anderson CF (1998) Analysis of effects of salts and uncharged solutes on protein and nucleic acid equilibria and processes: a practical guide to recognizing and interpreting ... charge and steric effects may alter substrate binding and salt sensitivity In this study, the effect of NaCl concentration on the kinetic constants and thermodynamic stability of VsEndA and VcEndA ... the effects of reciprocal mutations of two non-conserved DNA binding site residues (VsEndA, Q69N and K71N; VcEndA, N69Q and N71K) on the kinetics, thermostability and salt dependence of these enzymes...

13
437
0

Báo cáo khoa học: Structural studies of thymidine kinases from Bacillus anthracis and Bacillus cereus provide insights into quaternary structure and conformational changes upon substrate binding pot

Ngày tải lên : 23/03/2014, 09:21

... a ˚ 3-A dissociation of subunits interacting by a1 The base of dTTP is inserted between the a1-helix of two subunits and is stacked between the rings of Phe18 and Phe34 from the adjacent subunit ... case of Ba-TK, several hydrogen bonds form between sidechain atoms and main-chain atoms of the neighboring helices: NH1 of Arg27 is hydrogen-bonded to mainchain oxygen of Ser19, and NH1 of Arg31 ... enzyme The pattern of interaction of ATP with TKs from Gram-negative bacteria remains to be evaluated O4 of the thymine makes a hydrogen bond with the mainchain nitrogen of Val144 O3¢ of deoxyribose...

11
233
0

Báo cáo khoa học: Structure of the substrate complex of thymidine kinase from Ureaplasma urealyticum and investigations of possible drug targets for the enzyme pdf

Ngày tải lên : 30/03/2014, 11:20

... hTK1 and dT (in the presence of mm ATP) [11,20] The results with hTK1 showed a pattern, with MeT, FIAU and AZMT forming a group of quite poor inhibitors with IC50 values of 60–100 lm The other ... kinetics and analyzed in view of substrate binding It appears that a combination of substitutions at several positions of the nucleoside can pick up the small differences between mycoplasmic and human ... accepted and 2¢-fluoro-arabinosyl-5-iodo-dU (FIAU) and 2¢fluoro-arabinosyl-5-methyl-dU (FMAU) showed 44% and 34% activity, respectively Any substitution on the other side, such as 2¢-difluoro-dU and...

8
392
0

Báo cáo hóa học: " Characterizing the burden of premature ejaculation from a patient and partner perspective: a multi-country qualitative analysis" docx

Ngày tải lên : 18/06/2014, 22:20

... Germany, and Poland and (2) to cognitively debrief males with PE and female partners of males with PE about their understanding of the recently developed single item measures of four dimensions of ... understanding and comprehension of each item and response scale Results A total of 172 males with PE and 67 female partners of men with PE participated in this study A total of 51 men and 17 ... the findings from this study provide a good framework for understanding the impact of PE from the perspective of males with PE and of female partners of men with PE A key strength of this qualitative...

10
514
0

Báo cáo hóa học: " Research Article Removal of Color Scratches from Old Motion Picture Films Exploiting Human Perception" pdf

Ngày tải lên : 22/06/2014, 01:20

... Proceedings of the Image and Vision Computing New Zealand (IVCNZ ’00), pp 38–43, Hamilton, New Zealand, November 2000 Vittoria Bruni et al [5] V Bruni, D Vitulano, and A Kokaram, “Fast removal of line ... an undecimated decomposition H and G, respectively, are the lowpass and highpass analysis ﬁlters of the subband coding, while H and G are the corresponding low- and highpass synthesis ﬁlters The ... at each row of the analyzed subband In fact, the location of the scratch could slightly change from a row to another one, while the detection parameters, such as the amplitude b p and the location...

9
251
0

Báo cáo nghiên cứu khoa học " METHODS OF PHYTOPHTHORA ISOLATION FROM SOIL, ROOT AND INFESTED PLANT OF BLACK PEPPER AND OTHER CROPS " doc

Ngày tải lên : 22/06/2014, 12:20

... proposed and carried out projects of studies on Phytophthora diseases such as quick and low death of black pepper, quick death of durian, bud root of pineapple, wilt death of litchi, downy mildew of ... isolation from roots ranged from 15.0 to 26% 3.3 Isolation of Phytophthora caused root rot and bud rot of pineapple 3.3.1 Effect of media and sample types on Phytophthora isolation The result of experiment ... obtained from isolation of Phytophthora on black pepper, this fungus has been isolated in several plants (Table 8) 3.2 Isolation of Phytophthora from soil and root of several crops Table Effect of...

7
271
1

Magnetic chitosan nanoparticles for removal of Cr(VI) from aqueous solution

Ngày tải lên : 02/07/2014, 14:14

... equilibrium constant, obtained from Langmuir isotherms at different temperature and R is the universal gas constant ΔH and ΔS were obtained from the slope and intercept of the plot log (qe/Ce) vs ... occurrence of monolayer adsorption process Thermodynamically, the adsorption of Cr(VI) is spontaneous (in term of ΔG) and exothermic (in term of ΔH) process Kinetically, the adsorption of Cr(VI) ... charge of adsorbent, but also the degree of ionization and the speciation of the adsorbate during the reaction The effect of pH on the adsorption process was investigated over the range from to...

5
349
1

Báo cáo khoa học: "Detection of Bartonella species from ticks, mites and small mammals in Korea" pps

Ngày tải lên : 07/08/2014, 18:21

... dna sremirp editoelcunogilO nim rof Co27 ta noisnetxe lanif fo elcyc eno dna nim rof Co27 ,s 09 rof Co55 ,nim rof Co59 fo selcyc pets eerht-53 yb dewollof nim rof Co59 ta noitarutaned laitini ... erew stcudorp RCP nim rof Co27 ta noisnetxe lanif a dna nim rof Co27 ta noisnetxe ,s 09 rof Co05 ta gnilaenna ,nim rof Co59 ta noitarutaned fo selcyc 53 yb dewollof nim rof Co59 ta noitarutaned ... 54 rof Co55 ta gnilaenna ,s 03 rof Co59 ta noitarutaned fo selcyc 53 yb dewollof nim rof Co59 ta noitarutaned laitini fo detsisnoc snoitidnoc noitacifilpma ehT )aeroK ,oiBrepuS( esaremylop AND...

8
287
0

Báo cáo khoa học: "Comparative study on the aflatoxin B1 degradation ability of rumen fluid from Holstein steers and Korean native goats" pot

Ngày tải lên : 07/08/2014, 23:22

... quantities of plant material required to manifest clinical symptoms The consumption at the rate of more than 200% of the body weight of sheep and goat, 4-10% of the body weight of cattle and horse and ... final concentration of 100 ppb *Significantly different between goat and steer (p ＜ 0.01) Incubation of rumen fluid was done at 39oC and collected at times of 0, 3, 6, 9, and 12 h after feeding ... tubes, giving a total sample volume with aflatoxin of ml and a final AFB1 concentration of 80 ppb Degradation of AFB1 was measured after h of incubation o at 39 C without agitation, performed...

6
280
0

Báo cáo lâm nghiệp: "Limitation of photosynthetic activity by CO 2 availability in the chloroplasts of oak leaves from different species and during drought" pdf

Ngày tải lên : 08/08/2014, 18:21

... step due to diffusion and transport of CO in the mesophyll (Evans et al, 1986; Lloyd et al, 1992) ii) An analysis of the relative rates of carboxylation and oxygenation of RuBP in the chloroplasts ... al, 1992) The contributions of stomata (+ boundary layer) and of mesophyll transport to the overall limitation of CO influx have been shown to be of the same order of magnitude in many cases (Lloyd ... calculated ) efrom gas exchange and the quantum efficiency of the photochemical conversion by PS II (Φ derived from chlorophyll fluores) II cence on leaves of Quercus petraea, Q robur, Q ilex and Populus...

12
346
0

Báo cáo khoa học: "Regional Eradication of Mycoplasma hyopneumoniae From Pig Herds and Documentation of Freedom of the Disease" doc

Ngày tải lên : 12/08/2014, 15:20

... herds) Materials and methods The member pig herds of Lihakunta The number of farrowing and farrowing-to-ﬁnishing herds in this study was 153 and 85, respectively, and the number of specialised ... h from the sending Blood samples The blood samples from pigs over 10 weeks of age were collected from vena cava cranialis (pigs up to 35 kg of weight) or vena jugularis dexter (pigs >35 kg of ... mixing of young feeder pigs of different health status can be disastrous for a large number of herds even if the number of animals carrying the infectious agent is small On the other hand, by...

10
255
0