maturing requirements engineering process maturity models

... Categories of requirements: functional vs non-functional – The requirements lifecycle: actors, processes, products – Target qualities and defects to avoid – Types of software projects – Requirements ... Setting the scene: outline  (2) Why engineer requirements? – The requirements problem: facts, data, citations – Role and stakes of Requirements Engineering  Obstacles to good RE practice  ... Categories of requirements: functional vs non-functional – The requirements lifecycle: actors, processes, products – Target qualities and defects to avoid – Types of software projects – Requirements...

Ngày tải lên: 13/07/2014, 07:20

... processes • • • • Requirements elicitation; Requirements analysis; Requirements validation; Requirements management ©Ian Sommerville 2004 Software Engineering, 7th edition Chapter Slide The requirements ... Software Engineering, 7th edition Chapter Slide Requirements engineering Requirements specification System requirements specification and modeling User requirements specification Business requirements ... Software Engineering, 7th edition Chapter Revised requirements Slide 50 Key points    The requirements engineering process includes a feasibility study, requirements elicitation and analysis, requirements...

Ngày tải lên: 14/09/2012, 11:26

... Improving Process Maturity The ITIM framework is a maturity model composed of five progressive stages of maturity that an agency can achieve in its IT investment management capabilities These maturity ... of Maturity with Critical Processes Figure 6: The ITIM Stages of Maturity with No Stage Critical Processes Figure 7: The ITIM Stages of Maturity with Stage Critical Processes Figure 8: Instituting ... activity- and maturity- based focus Such a maturity framework can be used either to analyze an organization’s investment management process or to determine the maturity of its investment process The...

Ngày tải lên: 08/03/2014, 14:20

... Hierarchy Like other maturity models, ITIM is subdivided into a hierarchy Thus, ITIM is characterized by subdividing the IT investment management process into five maturity stages Each maturity stage ... critical processes The five maturity stages represent the steps toward achieving a mature, comprehensive IT investment management process Critical Processes With the exception of Stage 1, each maturity ... developmental nature of a maturity model means that process maturation is cumulative Lower stage processes provide the foundation for upper stage processes As additional critical processes are introduced...

Ngày tải lên: 23/03/2014, 05:22

... Project Management ͑PM͒ Processes of (PM) Model Maturity level Level Level Level Level Level provides and guides the necessary processes and requirements to achieve a higher PM maturity level Fig ... project Key PM processes PM processes are continuously improved PM processes are fully understood PM data are optimized and sustained Multiple PM ͑program management͒ PM data and processes are ... are optimized and sustained for continuous PM process improvement Fig Project management process maturity ͑PM͒2 model 152 / JOURNAL OF MANAGEMENT IN ENGINEERING / JULY 2002 Project Quality Management...

Ngày tải lên: 29/03/2014, 23:20

... bioprocessing industries, the term fermentation has come to mean any bioconversion process The biological processing of organic substrates to biofuel compounds will often entail an anaerobic process, ... 3.2 Summary of Microbial Growth Models 3.2.1 Unstructured, Single Limiting Nutrient Models 3.2.2 Inhibition Models 19 19 23 25 30 31 32 33 33 ... coproducts are also recovered and when energyefficient processing is employed One advantage of microbial conversion processes over chemical processes is that microbes are Copyright © 2008 by The...

Ngày tải lên: 02/04/2014, 15:09

... This allowed to simulate real conditions of thermal processes i.e fast heating (for instance, particle pyrolysis in Biofuel's Engineering Process Technology fluid flow- or fluidized bed-type ... temperature; numbers are per Table 18 Biofuel's Engineering Process Technology 3.5 Kinetics of coke-ash residue conversion in gasification mode Gasification process was realized with intermittent charging, ... can be found at www.intechopen.com Contents Preface IX Part Process Control and Dynamics Chapter The Effect of Thermal Pretreatment Process on Bio-Fuel Conversion Aleksander Ryzhkov, Vadim Silin,...

Ngày tải lên: 19/06/2014, 14:20

... and that humanity is just beginning to investigate it 54 Biofuel's Engineering Process Technology As a result of energy saving requirements, the cars of the near future will run on combinations ... ecosystem services as a way to understand the requirements for sustainable development Proc Natl Acad Sci USA 105:9501-9506 60 Biofuel's Engineering Process Technology Malhi, Y., Roberts, J.T., ... molecules processed: i.e, fat has a much higher bio-methane yield than carbohydrates The biogas yield of cereal residues is also high (around 200 m3 CH4/ton) 66 Biofuel's Engineering Process Technology...

Ngày tải lên: 19/06/2014, 14:20

... rapeseed production, the rapeseed processing to obtain oil and the use of the cake meal obtained from the seed processing This information can be 92 Biofuel's Engineering Process Technology used to ... applications, besides the specifications of process performance, six characteristics are desired for any upgrading technology: 78 Biofuel's Engineering Process Technology Economic for small streams, ... 94 Biofuel's Engineering Process Technology here, moves towards a dry land use, as rapeseed is able to grow in the same conditions as replaced cereals would On the other hand, water requirements...

Ngày tải lên: 19/06/2014, 14:20

... catalytic techniques: A review Fuel Processing Technology 90: 1502 136 Biofuel's Engineering Process Technology Holser R.A & Akin D.E (2008) Extraction of lipids from flax processing waste using hot ... that can be configured according to the specific physical-chemical requirements of the algae of choice, 126 Biofuel's Engineering Process Technology allowing the cultivation of species unsuited ... cultures Bioprocess Engineering 22: 441-449 Guerrero-Compeán, R (2008) Regional, economic, and environmental effects of traditional and biotechnologically enhanced ethanol production processes...

Ngày tải lên: 19/06/2014, 14:20

... for targeted markets and specific uses These new processes are resulting in new types of distillers grains (Figure 13) 154 Biofuel's Engineering Process Technology Fig 10 Pelleting is a unit operation ... defined biorefining as the "sustainable processing of biomass into a spectrum of bio-based products (food, feed, chemicals, 168 Biofuel's Engineering Process Technology materials) and bioenergy ... literature on hydrothermal processing of common types of biomass Biorefinery Processes for Biomass Conversion to Liquid Fuel 177 4.3 Properties of bio-oils The differences in processing conditions...

Ngày tải lên: 19/06/2014, 14:20

... reaction Most processors will recover this methanol using a vacuum stripping process Any methanol remaining after this stripping process should be removed by the water washing process Therefore, ... materials and 210 Biofuel's Engineering Process Technology composts The digestate was from a biogas plant where a mix of cattle slurry, maize silage and grass haylage is processed as a substrate ... reactions and/or industrial processes The main advantages of this method include: (1) an understanding of how the test variables (process variables) affect the selected process response; (2) the...

Ngày tải lên: 19/06/2014, 14:20

... standards for biodiesel reflect the regulatory requirements for maximum sulfur content in fossil diesel for the region in question 234 Biofuel's Engineering Process Technology 4.6 Carbon residue Carbon ... feedstocks Conventional processing involves an alkali catalyzed process but this is unsatisfactory for lower cost high free fatty acid feedstocks due to soap formation Pretreatment processes using strong ... Faculty of Agricultural Engineering (FEAGRI/UNICAMP)), the Food Technology Institute (ITAL), the State of São Paulo Research Foundation (FAPESP) and the 238 Biofuel's Engineering Process Technology...

Ngày tải lên: 19/06/2014, 14:20

... Pyrolysis 303 304 Biofuel's Engineering Process Technology Rheological Characterization of Bio-Oils from Pilot Scale Microwave Assisted Pyrolysis 305 306 Biofuel's Engineering Process Technology Table ... Biofuel's Engineering Process Technology Danquah M.K., Gladman B., Moheimani N., & Forde G.M 2009 Microalgal growth characteristics and subsequent influence on dewatering efficiency Chemical Engineering ... future trends, Blackwell Science 290 Biofuel's Engineering Process Technology Mussgnug J.H., Thomas-Hall S., Rupprech J., Foo A., et al 2007 Engineering photosynthetic light capture: impacts...

Ngày tải lên: 19/06/2014, 14:20

... recuperative processes is introduced by using a basic thermal process, and the selfheat recuperative processes applied to the separation processes are then introduced 3.1 Self-heat recuperative thermal process ... the heat of 320 Biofuel's Engineering Process Technology the process stream is perfectly circulated without heat addition, and thus, the energy consumption for the process can be greatly reduced ... with the condensation heat in each section 322 Biofuel's Engineering Process Technology Fig Self-heat recuperative distillation process a) process flow diagram, b) temperatureheat diagram Figure...

Ngày tải lên: 19/06/2014, 14:20

... production methods and the optimization of the processes (Sharma et al., 2008) So, various processes such as supercritical process, 356 Biofuel's Engineering Process Technology microwave assisted method ... power on biodiesel processing, -Frequency effect on ultrasonic assisted biodiesel production 366 Biofuel's Engineering Process Technology Fig Scheme of biodiesel production process via ultrasound ... overview of typical process requirements Subsequently, in depth process studies using Ru/C as catalyst for the upgrading of fast pyrolysis oil will be provided (part 3) The effect of process conditions...

Ngày tải lên: 19/06/2014, 14:20

... contents From a processing point of view this is also advantageous as it 406 Biofuel's Engineering Process Technology limits the hydrogen usage for the catalytic hydrotreatment process, a major ... of the oil at temperatures near 250-275 oC, and d Hydroprocessing of pyrolysis oil at temperatures up to 400 oC 394 Biofuel's Engineering Process Technology Upon thermal treatment, the principal ... solubility); Optimisation of the hydroprocessing conditions and particularly the required hydrogen levels Determination of product -process relations The effective hydroprocessing severity required for...

Ngày tải lên: 19/06/2014, 14:20

... energy requirements of manufacturing biomass pellets should be established, which can assist in determining the economic viability of densification process 460 Biofuel's Engineering Process ... grinds A report prepared for SunOpta Bioprocess Inc., Brampton, ON, Canada, 16 p 464 Biofuel's Engineering Process Technology Shaw, M.D (2008) Feedstock and Process Variables Influencing Biomass ... energy requirements for thin and conventional hammers Canadian Biosystems Engineering, 34, pp 203-6 Viola, E., Zimbardi, F., Cardinale, M., Cardinale, G., Braccio, G., & Gambacorta, E (2008) Processing...

Ngày tải lên: 19/06/2014, 14:20

... realized to meet the requirements of bioenergy feedstock development and biomass conversion process optimization for efficient biofuel production 502 Biofuel's Engineering Process Technology To ... harvest process of biomass rich in moisture Igathinathane et al (2008) showed the dependence of ultimate shear stress on the total moisture content of the switchgrass 500 Biofuel's Engineering Process ... FT-NIR spectroscopy combined with partial least-squares regression models (Krongtaew et al., 2010b) 504 Biofuel's Engineering Process Technology Applications of Raman microspectroscopy in plant...

Ngày tải lên: 19/06/2014, 14:20

... Label-free, real-time monitoring of biomass processing with stimulated raman scattering microscopy Angew Chem 122: 5608-5611 518 Biofuel's Engineering Process Technology Saariaho A-M, Jääskeläinen ... Biofuel's Engineering Process Technology Khan, Z.; Yusup, S.; Ahmad, M.M.; Chok, V.S.; Uemura, Y & Sabil, K.M (2010) Review on Hydrogen Production Technologies in Malaysia International Journal of Engineering ... because there will not be enough land and water to meet the energy requirements of the automotive industry 538 Biofuel's Engineering Process Technology As a result, in order to prevent irreversible...

Ngày tải lên: 19/06/2014, 14:20