determination of sulfur content in fuel oil
DETERMINATION OF ORGANIC COMPOUNDS IN DRINKING WATER BY LIQUID-SOLID EXTRACTION AND CAPILLARY COLUMN GAS CHROMATOGRAPHY/MASS SPECTROMETRY pdf
... provides procedures for determination of organic compounds in finished drinking water, source water, or drinking water in any treatment stage The method is applicable to a wide range of organic compounds ... surrogate in µg/L in the water sample Ax = integrated abundance of the quantitation ion of the analyte in the sample Ais = integrated abundance of the quantitation ion of the internal standard in the ... tune and initial calibration at the beginning of each 12-hour work shift during which analyses are performed using the following procedure 10.3.1 Inject a µL aliquot of the ng/µL solution of DFTPP,...
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Báo cáo khoa học: " Determination of Syntactic Functions in Estonian Constraint Grammar " docx
... decreasing the error rate and using statistical analysis for generating new rules References Timo J~irvinen 1994 Annotating 200 Million Words: The Bank of English Project In Proceedings of COLING-94 ... errors occurred during determination of apposition and the third biggest group of errors exists in sentences there one clause divides the other into two parts In experiment A, 86-88% of words become ... (except finite verbs and conjunctions) Results To evaluate the performance of parser I use two types of corpora Training corpus is used for formulating rules and preliminary testing After testing...
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Báo cáo lâm nghiệp: " Quantification of nutrient content in the aboveground biomass of teak plantation in a tropical dry deciduous forest of Udaipur, Indi" pdf
... depth In general, the concentration of nutrients in soil decreased with an increase in the plantation age In the present study, a greater proportion of nutrients occurred in the surface soil (Table ... summers Winters are a little cold with the maximum temperature rising to 26.8°C and the minimum dropping to 2.5°C The average annual rainfall of the area is 610 mm Approximately 90% of the rainfall ... Quantification of tree biomass Biomass of the trees was determined by using the “Complete tree harvesting” technique First of all diameter at breast height (dbh) of all the trees was measured and grouped into...
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Báo cáo khoa học: "Quantification of nutrient content in above-ground biomass of young Acacia mearnsii De Wild., provenance Bodalla'''' ppsx
... 26% of N, 27% of P, 38% of K, 32% of Ca, 30% of Mg, and 25% of S By reverse, 74% of N, 73% of P, 62% of K, 68% of Ca, 70% of Mg, and 75% of S of the total above-ground biomass were found in the ... biomass contents: 74% of N, 73% of P, 62% of K, 68% of Ca, 70% of Mg, and 75% of S The trunk components (bark and wood) accumulated 26% of N, 27% of P, 38% of K, 32% of Ca, 30% of Mg, and 25% of S ... International Soil Taxonomy this soil can be classified as Ultisol 2.2 Chemical analysis of soils Low values of soil pH and poor soil organic matter content are typical of many sites in southern...
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Báo cáo khoa học: "Genetic determination of vessel area in oak (Quercus robur L and Q petraea Liebl): a characteristic related to the occurrence of stem shakes" docx
... title «Genetics and breeding of (1986) Oak breeding in Germany; experiences and problems In: Proceedings IUFRO Joint Meeting of Working Parties on Breeding Theory, Progeny Testing and Seed Orchards ... Genetic variations in wood properties In: New Perspectives in Wood Anatomy (Baas P, ed), Martinus Nijhoff, The Hague, 151-169 Cinotti B (1991) Recherche de propriétés intrinsèques du bois pouvant ... determine provenance variations in vessel size; 2) estimate the heritability of vessel size; and 3) to find a means of recognizing shake-prone trees so that they could be removed during early thinning...
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báo cáo khoa học: " Whole-Organ analysis of calcium behaviour in the developing pistil of olive (Olea europaea L.) as a tool for the determination of key events in sexual plant " ppsx
... measure intracellular Ca2+ ions by using microscopy imaging techniques To introduce this dye into intact pistils, we injected the Fluo-3 solution directly into olive inflorescences To Page of 12 ... solution of mM Fluo-3 AM in DMSO The final DMSO concentration in the incubation solution was approximately 1% (v/v) Injection was done directly into the peduncle of the inflorescence at the site of ... 1986, 9:157-160 28 Zhang W-H, Rengel Z, Kuo J: Determination of intracellular Ca2+ in cells of intact wheat roots: loading of acetoxymethyl ester of Fluo-3 under low temperature Plant J 1998,...
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Computationally efficient modeling simulation of transport phenomena in fuel cell stacks
... understanding of transport phenomena in fuel cells, and become an indispensable tool in fuel cell research and development The beginning of modeling of fuel cells can be traced back to the work of Sampath ... the main reasons why commercialization of the fuel cell is still in its cradle is highly interdisciplinary nature of fuel cell systems [11] One way to to gain fundamental understanding of the ... corresponding predictions of the decoupled model in lines Computational cost in terms of the convergence time for decoupled stack model for an increasing number of the cells in the stack...
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STABILITY ANALYSIS AND VOLTAGE SAG MITIGATION OF POWER SYSTEM IN OFFSHORE OIL RIG PLATFORM
... semi-submersible offshore oil rig platform uses variable-speed induction motors for station—keeping during drilling and sailing During drilling, the platform needs to be maintained within its intended ... MITIGATION OF POWER SYSTEM IN OFFSHORE OIL RIG PLATFORM WU DI B Eng (Hons.), NUS A THESIS SUBMITTED FOR THE DEGREE OF MASTER OF ENGINEERING DEPARTMENT OF ELECTRICAL AND COMPUTER ENGINEERING NATIONAL ... tuning of P regulator is done in frequency domain by plotting the instability region in the torque vs frequency plane It is then modeled in the time domain using simulations for verification of...
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TÍNH TOÁN các THÔNG số CÔNG NGHỆ TRONG QUÁ TRÌNH cán VÀNH DETERMINATION OF TECHNOLOGICAL PARAMETERS IN RING ROLLING
... simulation in FE analysis of ring rolling, Journal of Materials Processing Technology, 142, 213-223, 2003 [5] Lianggang Guo, He Yang, Towards a steady forming condition for radial–axial ring rolling, International ... [1] Đào Minh Ngừng, Nguyễn Trọng Giảng, Lý thuyết cán, NXB Giáo dục, 2006 Tạp chí: [2] Hua Lin, Zhao Zhong Zhin, The extremumparameters in ring rolling, Journal of Materials Processing Technology, ... [3] Kluge,Y.-H Lee, H Wiegels, R Kopp, Control of Strain and Temperature Distribution in the Ring Rolling Process, Journal of Materials Processing Technology, 45, 137-141, 1994 [4] M.R Forouzan,...
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A028 determination of design moment in bridges constructed by balanced cantilever method
... numerical results obtained with those obtained by the introduced formula are included to verify the applicability of the formula Finally, reasonable guidelines to determine the internal design moments, ... no internal moment redistribution by creep deformation of concrete in a span if the structural system maintains the statically determinate structure As shown in Fig 1, the statically indeterminate ... post-tensioning tendons It is thus incorporated into the permanent continuous structure; consequently the internal moment is continuously changed according to the construction sequence and the changing...
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Guidelines for the determination of brain death in infants and children
... the Determination of Brain Death in Infants and Children Critical Care Medicine 2011;39:2139–2155 Nakagawa TA, Ashwal SA, Mathur M, Mysore M Guidelines for the Determination of Brain Death in Infants ... has resulted in irreversible coma Coma and apnea must coexist to diagnose brain death Determination of brain death by neurologic examination should be performed in the setting of normal age-appropriate ... remain consistent with brain death All aspects of the clinical examination, including the apnea test, or ancillary studies must be appropriately documented 4 References Guidelines for the Determination...
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Determination of Operation Factors in Treating Piggery Wastewater by Membrane Bioreactor
... efficiency of ammonium treatment is shown in Figure The concentration of ammonium in the influent was very high, 320 mg/L in average After hours of aeration, almost of ammonium had not changed into ... efficiency of ammonium treatment is shown in Figure The concentration of ammonium in the influent was very high, 320 mg/L in average After hours of aeration, almost of ammonium had not changed into ... is shown in Figure Because piggery wastewater is rich in nutrients, so the biological system still operates as well as when increase of MLSS (demand of using substrate of microorganisms increase)...
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ASTM D5453 Standard Test Method for Determination of Total Sulfur in Light Hydrocarbons, Spark Ignition Engine Fuel, Diesel Engine Fuel, and Engine Oil by Ultraviolet Fluorescence
... uniform injection of the sample into the boat by wicking any remaining drops of the sample from the tip of the syringe needle prior to introduction of the sample into the furnace Consult instrument ... Time of Sample in Furnace—Insert the boat into the furnace using a drive rate of 140 to 160 mm/min (Model 735 setting of 700-750) Additional slowing of boat speed or a brief pause of the boat in ... syringe needle into the injection inlet and allow the needle/ septum blank to dissipate Reset the instrument baseline or enable integration, if required, prior to the injection of the syringe contents...
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Review of the Existing Techniques for the Determination of Dry Rubber Content in Natural potx
... discussion of the results are included in chapter five of this thesis Finally, in chapter six the summary and general conclusions of the work including scope for doing further work in the area are incorporated ... ORC of latex by measuring the capacitance of latex using capacitive techniques 1.6: Shortcomings of the existing methods Rapid determination of ORC is very important for commercial exchange of ... system often shows erratic readings owing to the presence of adulterants and due to ionic activity in the latex 1.7: Outline of the work presented in this thesis In this thesis, results of our...
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Báo cáo nghiên cứu khoa học: " EFFECT OF INITIAL SULFUR DIOXIDE CONTENT IN MUST ON THE KINETICS OF WINE PRIMARY FERMENTATION, USING YEAST IMMOBILIZED IN CALCIUM ALGINATE GEL" pptx
... respectively In wine fermentation, sulfur dioxide has been used for controlling oxidation reactions and restricting the growth of indigenous micro flora in must [2] According to Fleet (1993), increase in ... respectively It can be explained that when the initial sulfur dioxide content in must was high enough, the wine yeast was also inhibited When the initial sulfur dioxide content in must varied from 12 ... volatile acid content in the product Figure showed that increase in sulfur dioxide content in must augmented the pH value at the end of the primary fermentation In addition, the pH value of wine fermented...
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Báo cáo khoa học: "The influences of age, extractive content and soil water on wood color in oak: the possible genetic determination of wood color" pptx
... Forêt d’Amance as Soil water content and wood color Examination of core samples revealed that the amount of available soil water influenced the color of Q robur but not Q petraea In pedunculate oaks, ... and wood age, with wood becoming redder and darker with increasing tree age Nevertheless, much of the variation in wood color remains unexplained mainly a function of extractive quantity or quality ... jectively investigated by INRA’s wood quality laboratory in Nancy, using a spectrocolorimeter Techniques for measuring color and some environmental, individual tree and chemical factors influencing...
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DETERMINATION OF THE APPROPRIATE CONTENT OF CALCIUM NITRITE AS A CORROSION INHIBITOR IN REINFORCED CONCRETE docx
... inhibition in extract of cement water containing Cl-: • In H0 extract, steel is maintained in passive state and not corroded • The extract containing Cl-: corrosion rate is continuously increased ... 24 Figure Steel corrosion rate in concrete grade M20 containing different contents of Cl- Image 5: Reinforcement in concrete grade M20containing different contents of Cl- Research results 0.04 ... Steel corrosion rate in concrete grade M30 containing different contents of Cl- B22 B29 B36 24 Image 6: Reinforcement in concrete grade M30 containing different contents of Cl- Research results...
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Determination of EDTA in Water Samples by SPE-Gas Chromatography/Mass Spectrometry
... Milli-Q water and tap water at concentrations of 0.1 mg/L (1/5 of EDTA standard value in drinking water) and 0.01 mg/L (1/50 of EDTA standard value in drinking water) and subsequent extraction and ... Examination of Water Occurrence of EDTA in river water samples from three regions of Japan was examined EDTA was detected in ten of thirteen river water samples A high level of EDTA was observed in river ... Edetic acid (EDTA) in Drinking-water, Background document for development of WHO Guideline for Drinking-water Quality, 2nd ed Addendum to vol Health criteria and other supporting information, World...
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Design and development of major balance of plant components in solid oxide fuel cell system
... as the input fuel Porous media afterburners provide an efficient means of ensuring the complete conversion of the SOFC off-gases during nominal operation and of pre-heating the cathode intake ... reforming or partialoxidation reforming In the INER SOFC system, the reforming process is performed using a combination of these two methods by feeding both steam and an oxidant (air) into a ... detailed designs of each of these components in the INER SOFC system are described in the following subsections 3.1 Flow distributor In general, an SOFC system comprises an array of duplicate stacks...
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