synthesis of ecosystem engineering theory

Ngày tải lên: 21/02/2014, 09:20

... UNIVERSITY OF PITTSBURGH SCHOOL OF ENGINEERING This dissertation was presented by It was defended on March 29, 2006 and approved by Dr Eric J Beckman, Professor, Chemical and Petroleum Engineering ... Johnson, Professor, Chemical and Petroleum Engineering Department Dr Toby Chapman, Associate Professor, Department of Chemistry Dissertation Director: Dr Robert M Enick, Chairman and Professor, ... Petroleum Engineering Department ii Copyright © by Lei Hong 2006 iii ABSTRACT IDENTIFICATION, DESIGN AND SYNTHESIS OF OXYGENATED HYDROCARBON-BASED CO2-SOLUBLE POLYMERS FOR CHEMICAL AND PETROLEUM ENGINEERING...

Ngày tải lên: 13/11/2014, 10:49

... Phuong Thu Table of contents Acknowledgement List of abbreviations Part I: Introduction 1.Rationale 2.Aims of the study 3.Scope of the study 4.Methods of the study 5.Design of the study Part ... number of classes of Civil Engineering (CE) for students of Construction Department Generally speaking, non-majors, especially the students of this department, lack background knowledge of English ... reading ability of Civil Engineering English 5.Design of the study The study is composed of three parts: *Part I is the presentation of basic information such as the rationale, the scope of the study,...

Ngày tải lên: 07/11/2012, 14:12

... coefficient of consolidation and end of primary settlement based on a direct solution of the Terzaghi theory This new method determines the coefficient of consolidation utilizing the entire range of consolidation ... Terzaghi theory is of primary importance for a realistic determination of the coefficient of consolidation using the Terzaghi theory Also, it is observed that the differences in the estimates of c ... Yi-Jiuan 2001 Coefficient of Requirements for the Degree of Master of Science in Consolidation from the Linear Segment of the t / Civil Engineering at Jordan University of Science and Curve, Canadian...

Ngày tải lên: 21/03/2013, 14:09

... generating a report One of the common formats for interchange of formatted data is ’tab delimited’ where each line corresponds to a single record The individual fields of the record are separated ... download the file stateoutflow0708.txt from Stellar This contains the emigration of people from individual states The first row of the file contains the column headings There are eight self explanatory ... the counts for each file along with the filename In this problem, we will be implementing wc One of the ways to build a complex program is to develop it iteratively, solving one problem at a time...

Ngày tải lên: 25/04/2013, 08:07

... St : CHAPTER 22 Summary of Arbitrage Pricing Theory 225 k f P If we introduce a probability measure I under which Sk is a martingale, then martingale, regardless of the portfolio used Indeed, ... choice of is irrelevant The most convenient choice of so and is = r , 2; S t = S 0 expfrt + Bt , tg; e,rt S t = S 0 expf Bt , 2tg is a martingale under IP With this choice of , dS ... dS t = rS t dt + S t dB t CHAPTER 22 Summary of Arbitrage Pricing Theory and IP is the risk-neutral measure If a different choice of 227 is made, we have S t = S 0 expf t + Btg;...

Ngày tải lên: 18/10/2013, 02:20

... years, utilization of lignocellulosic biomass has become an actively pursued subject, because of the concerns of future exhaustion of non-renewable fossil fuels One of the authors of this article, ... the conversion of biomass into fuels and chemicals In 1978, the first of a series of conferences on Biotechnology for Fuels and Chemicals A View of The History of Biochemical Engineering 83 (first ... efforts of scientists and engineers from many disciplines, including biochemical engineering, are needed Early Development of Biochemical Engineering Following the commercialization of penicillin,...

Ngày tải lên: 23/10/2013, 17:20

... transcription control of which is often accomplished with inducible promoters This development led to the start of various activities on the field of genetic engineering The stabilization of the plasmid-carrying ... of modern bioreaction engineering Bioreaction engineering is practised mainly by chemical engineers, because chemical reaction engineering is one of its platforms [11] The first biochemical engineering ... University of Idaho du Pont Namours Ethyl Co Baton Rouge Monsanto Co University of Waterloo University of Waterloo University of Western Ontario TU Berlin TH Aachen University of Paderborn University of...

Ngày tải lên: 23/10/2013, 17:20

... customer/professional communities/knowledge networks) The fundamental premise of this talk… Because marketing is relational, social network theory (SNT) helps to advance marketing theory and ... Points of Difference: • SN theorist (and early marketing researchers) seek to describe individual actors and their relations/patterns of connections – • Sociometric theory .Whole Network…Software ... influenced via passive or active solicitation of info – Profile of actors • Knowledgeable, involved, confident, active – Content • Degree – The number of actors with whom an individual has a direct...

Ngày tải lên: 24/10/2013, 20:15

Ngày tải lên: 26/10/2013, 17:15

Ngày tải lên: 04/11/2013, 10:15

... estimation of various frequencies Use the listing of C values shown below to determine the mode of vibration Note that C is a factor determined by the end conditions of the tube bundle Mode of vibration ... kg / h) of 10.3-lb / in2 (gage) (70.9-kPa) saturated steam, or 6830 gal / (25.9 m3 / min) of 370ЊF (188ЊC) hot water Cost-effective supply of this steam or hot water requires a redesign of the ... nonhalogenated materials, will be phased out by the end of the decade because of environmental considerations (destruction of the ozone layer) Use of nonhalogenated refrigerants is expected to increase...

Ngày tải lên: 09/11/2013, 04:15

... (0.28 kg) of water per pound (kg) of dry air Since the water content of the air is a function of the partial pressures, (0.622) (0.5067) / [(2 ϫ 0.5067)] ϭ 0.673 lb of water per lb of dry air ... m2) of condensing surface, a circulating-water flow rate of 10,000 gal / (630.8 L / s), 3⁄4-in (1.9-cm) no 16 BWG tubes, a water flow rate of ft / s (2.1 m / s), external friction of 20 ft of water ... a capacity of 8000 gal (30,280.0 L), and the steam space has a capacity of 30,000 gal (113,550.0 L) of water Downloaded from Digital Engineering Library @ McGraw-Hill (www.digitalengineeringlibrary.com)...

Ngày tải lên: 09/11/2013, 04:15

... date of part i Ati = arrival time of part i Tpti = total processing time of part i The value of the multiplier K, assumed between to by most authors, determines the degree of tightness of the ... combination of rules is one of the possible combinations of rules If three rules are assumed for each decision point, the number p of possible combinations would be Each combination of rules, ... [ ] Equal importance of i and j Between equal and weak importance of i over j Weak importance of i over j Between weak and strong importance of i over j Strong importance of i over j Between strong...

Ngày tải lên: 17/12/2013, 06:15

... (0.0283 cu m) of natural gas; 1300 cu ft of air (36.8 cu m) per gal (0.003785 cu m) of No fuel oil; 1450 cu ft of air (41 cu m) per gal of No fuel oil; 1500 cu ft of air (42.5 cu m) per gal of No fuel ... and increases the weight of the products of combustion per pound (kilogram) of coal burned Therefore, the weight of the products of combustion is the sum of the weight of the combustion products ... 0.0209, say 0.021 mol of water per mol of air The product of this and the moles of air gives the total moles of Downloaded from Digital Engineering Library @ McGraw-Hill (www.digitalengineeringlibrary.com)...

Ngày tải lên: 17/12/2013, 11:15

... lb of moisture per lb fuel burned; Ma ϭ lb of moisture per lb of dry air to furnace; Cb ϭ lb of carbon burned per lb of fuel burned ϭ C ϭ RCr; Cr ϭ lb of combustible per lb of refuse; R ϭ lb of ... tabulation of the densities of various materials PROPERTIES OF A MIXTURE OF GASES A 10-ft3 (0.3-m3) tank holds lb (0.5 kg) of hydrogen (H2), lb (0.9 kg) of nitrogen (N2), and lb (1.4 kg) of carbon ... Developing the performance characteristics of each piece of equipment as a function of load is the key to determining the mode of operation and loading of each type of steam producer For best results,...

Ngày tải lên: 17/12/2013, 11:15

... the above calculation with this rule of thumb shows reasonably good agreement Determine the heater volume With a capacity of W lb / h of water, the volume of a direct-contact or open-type heater ... the number of tubes per pass Assume the heater has only one pass, and compute the number of tubes required Once the number of tubes is known, a decision can be made about the number of passes ... (number of tubes per pass)(passes)(area per ft of tube) Or, tube length for pass ϭ 92.7 / [(14)(1)(0.1636)] ϭ 40.6 ft (12.4 m) The area per ft of tube length is obtained from a table of tube...

Ngày tải lên: 17/12/2013, 11:15

... average heat of vaporization of 1000 Btu / lb (2330 kJ / kg) of steam, this exhaust gas flow could generate 8,880,000 / 1000 ϭ 8880 lb / h (4032 kg / h) of steam If oil with a heating value of 145,000 ... mid-rise of ce buildings Title 24 is a section of the State of California Administrative Code that deals with energy-conservation standards for construction applicable to of ce buildings A summary of ... the denominator of the equation of step Thus, for a mixture of 50 percent glycol and 50 percent water, the constant ϭ 436, instead of 500 The method presented here is the work of Duane E Marquis,...

Ngày tải lên: 17/12/2013, 11:15

... rate is determined, apply a suitable factor of safety The value of this factor of safety can vary from a low of percent of the required flow to a high of 50 percent or more, depending on the application ... point of crossing of the two-pump curve and the system-head curve is at the required value of 80 gal / (7.4 L / s) and 13-ft (3.96-m) head because it was so planned But the point of crossing of ... FACILITIES ENGINEERING FIGURE 10 Typical pump suction and discharge piping arrangements of the source of the liquid supply to the free surface of the liquid in the discharge receiver, or to the point of...

Ngày tải lên: 17/12/2013, 11:15