...A1- Explain how you determined your product design decisions in the simulation. In the simulation we had to start a computer company from the ground. Initially, we were given a 2 million dollar investment to start with. We had to choose 2 out of 3 markets in 4 different major cities each with their individual need. We had to design computers that will respond to their needs based on the market report that was provided. We did not have a report or review of our products to rely on to build new computers since we were a new company. Therefore, we analyzed the market research to see what our targeted market wanted and the price they were willing to pay. Then we build computers based on them. Mercedes, a very well-known car company, wants a computers that is fast and powerful, has engineering features and can connect with other computers. In response to their needs, we manufactured the GCS 100, a powerful, fast computer with engineering capacity that can link to other computers. We chose the GCS100 name because it is our acronym plus 100. We added the 100 in case we came with an updated version we can change the number and keep the GCS. After a quarter of deceptive result we decide to stop manufacturing the GCS100 and replaced it with Global Power computers which we later updated to global power 1. Workhorse has the largest market. They wanted an easy and fun to use computer with office application that can link with other computers. Therefore we manufactured the GCS with the...
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...Ethical Dilemma: Stressing out employees is your job 1. Do you think there is a trade-off between the positive (high performance) and negative (increased stress) effects of stretch goals? Setting goals is part of organizational life and a powerful way to keep employees aligned and clear about expectations. But how tough should the goals be? How high should you set the bar? Some leaders like to set goals at a low to moderate level, based on the concept that they want everyone to be successful. They believe that success increases employee motivation and satisfaction. A second approach is to set the goals fairly high, expecting that a good portion of the employees will achieve them, but everyone has to work pretty hard to be successful. The third approach is to make the goals so high that only the very best performers might attain them, but not too often. This is based on the premise that if you set the bar really high then everyone will work their hardest to go as far as they can. However, stretch goals can have a tradeoff between the positive and negative effects. On the positive side, it can increase high work performance since it enables employees to reach their fullest potential. Sometimes employees find stretch goals very motivating and make it a challenge to attain it, because managers generally attach incentives such as recognition and other forms of rewards for attaining these goals. Nevertheless, stretch goals also have negative effects and this is the stress that...
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...computing was first heard in the year 1960 from the IBM, the IBM used cluster computing as the second option for connecting their large mainframe in the servers. These cluster computing was used to provide cheap ways or alternative that was considered cost effective in the commercial parallelism. Cluster is the process where computers are tightly or loosely connected and are working together thus seen as one system. The component that are in the cluster are normally interconnected using a fast or local network that is of high speed. The nodes in the network mostly computer that is used as the server normally run their own instance of the operating system. The whole idea of computer cluster started from coming together of computing development that entailed the presence of cheap microprocessor, network that had high speed and the software’s that was considered having a high performance in the distributed mode of computing. The main use of cluster is to boost the performance and the availability compared to using a single computer. The process is cheap and faster if compared to using a single computer. Computer cluster can be used in many ways to start with small corporate clusters with a minority of nodes to roughly faster mainframes example the IBM. Cluster computing has some outstanding importance when implemented in an organization. To start with cluster computing is known to be cost effective that is low cost. This is seen where customer has a chance to exclude the cost and the hard...
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...solvents with different polarities throughout the experiment, this determined whether the different pens provided were polar or non-polar. As discussed above, the polarity of the solvents has been identified through their structure and electronegativity. Both mix 1 and mix 2 contains polar and non-polar solvents which was used to determine the inks that had polar and non-polar properties. Now by knowing the polarity levels of the solvents, the ink polarity can be determined by how well it interacts with the solvent. As shown in figures 6 – pen 2 had Rf values of zero explaining that the ink was not soluble in water and acetic acid. This indicates that the ink components from pen 2 is non-polar because it did not interact with water (containing high levels of polarity). Furthermore, in figure 12, pens 3 and 4 were found to travel significantly faster and produced a clearer separation of pigments on the chromatography paper. As acetone is mostly polar, this indicates that the ink components has polar properties. Furthermore, when tested in deionised water, the ink from the exam notes was easily dissolved by water, indicating that the components of unknown ink are polar because polar molecules interest best with polar molecules. Showing very similar properties, in acetic acid and water, which are both very polar solvents, pen 3 and the unknown pen displayed the same separated pigments on the chromatography paper, with percentage differences of… Blue percentage difference: (100-100)/100...
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...Total quality management in production: In pharmaceutical factory raw material arrives at the warehouse where it is stored in clean environment Basically there are two types of raw material is used in the production they are: 1) Inactive raw material 2) Active raw material Inactive and active Raw Material: Inactive raw material is used to increase the mass of the medicine .This material does not causes any effect on illness or disease. It increases the size of the tablet in order to make it digestible. On the other hand active raw material is used for illness and therapy. In pharmaceutical industry raw material is imported from foreign countries. At he time when raw material is stored in warehouse a sticker named quarantine is displayed on it in order to show that it has not undergone any treatment. Before production begins a sample is drawn from quarantine material which is passed from tests at quality assurance if it passes the test an analysis number is allotted on it. After this line clearance which is given by quality assurance that the material is available for production. Quality assurance chemists and pharmacists check the temperature and humidity in the production areas where machinery is situated along with all others, quality assurance gives line clearance to start the production and quality control department will check it at every stage. Two standards of productions are implemented during the whole production process i.e. USP (United States Pharmacopeia)...
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...Chromatography INTRODUCTION IN THIS LAB, WE WILL BE EXPRESSING THE GREEN FLUORESCENT PROTEIN (GFP) IN BACTERIA AND PURIFYING IT USING COLUMN CHROMATOGRAPHY. THE SPECIFIC TYPE OF CHROMATOGRAPHY WE WILL BE USING IS HYDROPHOBIC INTERACTION CHROMATOGRAPHY (HIC). THE FOLLOWING IS INFORMATION FROM BIO-RAD INC., THE SUPPLIER OF THE REAGENTS: GFP has several stretches of hydrophobic amino acids, which results in the total protein being very hydrophobic. When the supernatant, rich in GFP, is passed over a HIC column in a highly salty buffer (Binding Buffer), the hydrophobic regions of the GFP stick to the HIC beads. Other proteins which are less hydrophobic (or more hydrophilic) pass right through the column. This single procedure allows the purification of GFP from a complex mixture of bacterial proteins. Loading the GFP supernatant onto the chromatography column When students load the GFP supernatant onto their columns, it is very important that they do not disturb the upper surface of the column bed when performing the chromatography procedure. The column matrix should have a relatively flat upper surface. A slightly uneven column bed will not drastically affect the procedure. However, subsequent steps of loading, washing, and eluting should minimize disrupting the column such that beads "fluff up" into the buffer. When loading the GFP supernatant onto the column, the pipette tip should be inserted into the column and should rest against the side of the column...
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...Estimation of optimal serum concentrations of 25-hydroxyvitamin D for multiple health outcomes1–3 Heike A Bischoff-Ferrari, Edward Giovannucci, Walter C Willett, Thomas Dietrich, and Bess Dawson-Hughes Downloaded from ajcn.nutrition.org at UNIVERSITY OF OTAGO SCIENCE LIBRARY on September 23, 2012 ABSTRACT Recent evidence suggests that vitamin D intakes above current recommendations may be associated with better health outcomes. However, optimal serum concentrations of 25-hydroxyvitamin D [25(OH)D] have not been defined. This review summarizes evidence from studies that evaluated thresholds for serum 25(OH)D concentrations in relation to bone mineral density (BMD), lowerextremity function, dental health, and risk of falls, fractures, and colorectal cancer. For all endpoints, the most advantageous serum concentrations of 25(OH)D begin at 75 nmol/L (30 ng/mL), and the best are between 90 and 100 nmol/L (36 – 40 ng/mL). In most persons, these concentrations could not be reached with the currently recommended intakes of 200 and 600 IU vitamin D/d for younger and older adults, respectively. A comparison of vitamin D intakes with achieved serum concentrations of 25(OH)D for the purpose of estimating optimal intakes led us to suggest that, for bone health in younger adults and all studied outcomes in older adults, an increase in the currently recommended intake of vitamin D is warranted. An intake for all adults of 1000 IU (40 g) vitamin D (cholecalciferol)/d is needed to bring vitamin...
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...different aspects of concrete which is the mixture of crushed stones, sand, cement and water. There are many types of concrete suggested to be used together with their ingredients namely extenders and admixtures. The report is a brief summary on special concretes and their applications such as High performance concrete, Self-consolidating concrete, High strength concrete and etc that will be used in the construction of a new garage for AB motors which will begin in the new year outside Bloemfontein. Again, different types of extenders that will also be applied in the project are also discussed with their applications. To name the few, those extenders are Ground granulated blust furnace slag and Fly ash (FA). Finally the report will also entertain on different kinds of admixtures and their applications as well...
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...The construction industry is also highly connected with innovations in terms of achieving efficiency and cost effectiveness (NRC, 2013). This report will be based on the innovative concrete products, particularly analyzing Ultra-High Performance Concrete. Furthermore, other existing modern trends and issues of concrete industry are also will be examined in brief. Concrete industry According to the World Business Council for Sustainable Development (2012), concrete plays a significant role in the modern world. Being used for construction of the majority hospitals, residential and commercial buildings, schools, bridges, runways, roads it actually shapes the built environment around us (WBCSD, 2012). Moreover, with global annual concrete production of almost 3 tons per every human in the world, it is become the most used man made material in the world. Additionally, comparing to the other building materials such as steel, plastic, wood and aluminium the amount of concrete used globally is twice as much than all of them together (WBCSD, 2012). The modern construction industry trends are closely linked with innovations of new materials, improvement of construction techniques and research is done continuously to improve economy and increase durability (Hooda et al, 2013). The manufacturers of concrete are...
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...REPORT No. 146 (2005) Reactive Powder Concrete N.P. Lee & D.H. Chisholm The work reported here was funded by Building Research Levy. © BRANZ 2006 ISSN: 0113-3675 Preface The low flexural tensile strength of concrete has a number of undesirable consequences for its performance as an effective building material. These include the necessity for auxiliary steel reinforcement and the requirement for thick-sectioned members that are both aesthetically unappealing and consume significant quantities of aggregates. The aggregates are an increasingly scarce resource in many urban areas. An emerging technology with the potential to overcome these limitations is reactive powder concrete (RPC). RPC is a cold-cast cementitious material in which the mechanical properties of the composite matrix are improved by (i) suppression of the weak interfacial transition zone normally developed around the aggregate through improved particle packing and (ii) refinement of the hydrated paste microstructure by extensive use of pozzolanic silica and elevated temperature curing. Tensile capacity is provided by steel micro-fibres rather than conventional reinforcement. The result is a material with the potential for flexural strength up to 50 MPa and ductility and energy absorption values approaching those of steel. The low and non-connected porosity of RPC also render it extremely durable. RPC offers the possibility of building with concrete using slender members in a ‘steel-like’ ...
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...SYNOPSIS ON DEVELOPMENT AND PERFORMACE OF CONCRETE USING SUPPLEMENTARY MATERIALS SUBMITTED BY: RAGHAV M Tech (STRUCTURAL ENGINEERING) DEVELOPMENT AND PERFORMACE OF CONCRETE USING SUPPLEMENTARY MATERIALS OBJECTIVE: 1.The main objective of this study is to investigate the use of various supplementary materials for preparing concrete. 2.To compare...
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...interaction? Tecnología y Motivación: ¿somos capaces de medir su interacción? Vicente Antonio López Rodríguez & Antonio Hidalgo Nuchera Departamento de Ingeniería de Organización, Administración de Empresas y Estadística Escuela Técnica Superior de Ingenieros Industriales Universidad Politécnica de Madrid vlopezr@etsii.upm.es; ahidalgo@etsii.upm.es Abstract Taking into consideration that work motivation can be enhanced not only by increasing the levels of responsibility, meaningfulness and feedback that are built into job (intrinsic motivation), but also by improving the workers relationships, the working conditions, and the incentives (extrinsic motivation), four groups of concrete motivators have been introduced in our motivational model. For these groups of concrete motivators, a number of core dimensions have been derived, measured and evaluated given us the opportunity to establish the relationship, in terms of indicators, between the installed technology and the motivation it inspires. There have been carried out two applications of the proposed model: one in the conditions of a university in Cuba and the other in several Mexican institutions. The results obtained show the validity of the model for determining the motivational quality of working environments. Resumen Tomando en consideración que la motivación en el trabajo puede mejorarse no solamente por el incremento de los niveles de responsabilidad, significado y retroalimentación que están incorporados...
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...Concrete Repair, Rehabilitation and Retrofitting II – Alexander et al (eds) © 2009 Taylor & Francis Group, London, ISBN 978-0-415-46850-3 Performance of Reactive Powder Concrete (RPC) with different curing conditions and its retrofitting effects on concrete member T.P. Chang, B.T. Chen, J.J. Wang & C.S. Wu Department of Construction Engineering, National Taiwan University of Science and Technology, Taipei, Taiwan, ROC ABSTRACT: The material performance of Reactive Powder Concrete (RPC) with two different curing conditions, water-curing of 25ºC and steam-curing of 85ºC and 95% relative humidity, were studied experimentally. The reinforcing effects of the RPC with two wrapping thicknesses of 10 and 15 mm, respectively, on the surface of cylindrical concrete specimen were evaluated. Major experimental results show both the engineering properties and indices of durability of RPC with steam-curing at four different ages have substantially increased except for the supersonic pulse velocity and dynamic moduli of elasticity and shear. The ratio of increase of compressive strength of cylindrical specimens retrofitted with 10 and 15 mm of wrapping RPC are in the range of 9.5 to 38.0%. 1 INTRODUCTION Reactive powder concrete (RPC), a cement-based composite material well known for the ultra-highstrength, high-durability and low-porosity, made its international debut in 1994 (Richard, 1994). The advance mechanical and physical properties of RPC are obtained by optimizing...
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.......................................................................................................... 4 THEORY ......................................................................................................................................................... 6 METHODOLOGY .......................................................................................................................................... 10 Data Collected: ............................................................................................................................................ 11 Analysis of material thermal properties and performance: ................................................................... 11 Measurements of the hostel rooms: ...................................................................................................... 12 Performance analysis for selective coatings: .......................................................................................... 16 Discussion and Results: ............................................................................................................................... 17 Thermal mass...
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...In recent years, attempts to increase the utilization of fly ash to partially replace the use of Portland cement in concrete are gathering momentum. Most of this by-product material is currently dumped in landfills, creating a threat to the environment. Instead, the source of materials such as fly ash, that are rich in Silicon (Si) and Aluminium (Al), are activated by alkaline liquids to produce the binder. Keywords: geopolymer; fly-ash, rice-husk ash Introduction: Geopolymer is used as the binder, instead of cement paste, to produce concrete. The geopolymer paste binds the loose coarse aggregates, fine aggregates and other unreacted materials together to form the geopolymer concrete. The manufacture of geopolymer concrete is carried out using...
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