doing math and simulations in r

Math, Science, and Technology in Contemporary Sculpture docx

Math, Science, and Technology in Contemporary Sculpture docx

... version of ReferenceFinder, all seven axioms had been integrated and could generate the folding sequence for virtually any set of crease patterns With TreeMaker and ReferenceFinder in hand, and the ... Science in Physics While attending university Voss-Andreae participated in research regarding quantum physics That research inspired the scientist to return to his artistic roots, move to Portland, ... line drawing input and computing the folds that will be needed to create nearly any figure ReferenceFinder (Figure 4) is another program Lang wrote in the 1990s, meant to accompany TreeMaker.17...

Ngày tải lên: 07/03/2014, 14:20

13 442 0
NUMERICAL SIMULATIONS EXAMPLES AND APPLICATIONS IN COMPUTATIONAL FLUID DYNAMICS_2 pptx

NUMERICAL SIMULATIONS EXAMPLES AND APPLICATIONS IN COMPUTATIONAL FLUID DYNAMICS_2 pptx

... below, c) the right artery starting from the point far from the origin of carotid arteries, d) the left artery starting from the aortic arch, e, f, g) other structures resulting in less than 1% ... quantified in order to avoid large stretching and/ or distorting of the grid For instance, a doubling in the linear spacing will result in an eightfold increase in volume, leading to large changes in ... contraction phase and its recovery during the heart relaxation Moreover, rigid vessels not cause damping of the phenomena occurring during the flow in vertebral arteries Taking into account deformability...

Ngày tải lên: 29/06/2014, 14:20

228 345 0
NUMERICAL SIMULATIONS EXAMPLES AND APPLICATIONS IN COMPUTATIONAL FLUID DYNAMICS_1 pps

NUMERICAL SIMULATIONS EXAMPLES AND APPLICATIONS IN COMPUTATIONAL FLUID DYNAMICS_1 pps

... are formed between its stationary components and rotating ones in order to model the rotorstator interactions between inlet and runner, and runner and volute Based on the sliding mesh modeling, ... magnitude and roughness have been assembled into the so-called friction-factor chart or Moody chart, relating the friction factor with Reynolds number in laminar and turbulent regime and relative roughness ... occurs when the increasing shear rate exceeds a certain critical value Although shear thickening fluids (STFs) are much less common than shear thinning materials in industry, an increasing number...

Ngày tải lên: 29/06/2014, 14:20

222 281 0
The influence of gender beliefs and early exposure to math, science and technology in female degree choices

The influence of gender beliefs and early exposure to math, science and technology in female degree choices

... the production foregone from spending time on training ( ), Becker includes a new term C that captures this opportunity cost and the cost of training, k Further, by rearranging terms and defining ... the marginal productivity of labour during the training period if it expects this training to result in higher future net profits And, because workers would be paid according to their productivities, ... characteristics the market rewards individuals for are and, therefore, allows for an understanding of earnings and their composition Models on discrimination focus on explaining wage differences...

Ngày tải lên: 10/10/2014, 23:14

287 285 0
Electromagnetic simulations in frequency and time domain using adaptive integral method

Electromagnetic simulations in frequency and time domain using adaptive integral method

... ti (r) pointing in the direction away from the scatterer A (r) and φ (r) are the magnetic and scalar potential respectively, given as N A (r) = g (r, r )In Sn (r )dr dr, n=1 N S φ (r) = g (r, r )In ... identities: n (r) · [ × E (r) ] × G (r, r ) = n (r) × [ × E (r) ] · G (r, r ) = −jωµG (r , r) · [n (r) × H (r) ], (2.10) and n (r) · E (r) × [ × G (r, r )] = n (r) × E (r) · [ = −[ × G (r, r )] × G (r , r) ] · n (r) × E (r) , ... becomes E (r ) = − Einc (r )− −jωµG (r , r) · [n (r) × H (r) ] − [ × G (r , r) ] · n (r) × E (r) dS (2.12) S Upon swapping r and r , we have E (r) = − Einc (r) − −jωµG (r, r ) · [n (r ) × H (r )] − [ × G (r, r )]...

Ngày tải lên: 11/09/2015, 16:06

316 197 0
Molecular simulations of transport and separation in protein crystals

Molecular simulations of transport and separation in protein crystals

... spatial and temporal behavior of water and ions in three protein crystals, particularly with different morphologies and topologies Water and ions play a crucial role in determining the structure, ... improper dihedral φ (2.1) 25 Chapter Water and Ions in Protein Crystals b where kij , kijk , k φ and kξ are force constants of stretching, bending, and proper and improper torsional potentials respectively, ... Chapter Introduction of protein structures and the electrical conductivity Achiral and chiral separation processes in liquid chromatography with protein crystals as stationary phase are presented in...

Ngày tải lên: 14/09/2015, 08:24

160 505 0
Questions to .NET and Programming in C#

Questions to .NET and Programming in C#

... appropriate answer a) the overriding method must c) the overriding method can return whatever it likes return void b) the overriding method must return int [1.5] What error does the following ... a for statement If you ran the following program what lines would be included in its [1.5] output? int var1,var2; for(var1=0,var2=0;var1+var2

Ngày tải lên: 21/08/2012, 15:55

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Questions to .NET and Programming in C#

Questions to .NET and Programming in C#

... Sort() function of Array returns an integer number b) 150 conversion exists from any array type to System.Array The members of an array are the members inherited from class System.Array The output ... are stored in the following format: a) < Minor version >... Minor version >.. b) d) < Minor version

Ngày tải lên: 29/08/2012, 16:37

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The Duality of Memory and Communication in the Implementation of a Multiprocessor Operating System

The Duality of Memory and Communication in the Implementation of a Multiprocessor Operating System

... changed) from Accent: task, thread, port and message Their primary purpose is to provide control over program execution, internal program virtual memory management and interprocess communication In ... W., and Chew, J.J Machine-Independent Virtual Memory Management for Paged Uniprocessor and Multiprocessor Architectures In Proceedings of the 2nd Symposium on Architectural Support for Programming ... pager_data_request on X, specifying its own pager request port for X The shared memory server replies using the pager_data_provided call on the appropriate request port Since the request only requires...

Ngày tải lên: 12/09/2012, 15:05

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Virtual Memory, Processes, and Sharing in MULTICS

Virtual Memory, Processes, and Sharing in MULTICS

... be correctly interpreted for each of possibly many processes running concurrently Requirements Necessary properties of a satisfactory intersegment addressing arrangement include the following: ... l~quires an instruction word from memory, the corresponding generalized address is the segment number in the procedure base register coupled with the word number in the program counter (Figure ... determined by the coding of P and is invariant with respect to the process using P Procedure Call and Return The coding used to trausfer control to a subprocedure and the subsequent return of...

Ngày tải lên: 12/09/2012, 15:05

7 632 2
Friends, Overloaded Operators, and Arrays in Classes

Friends, Overloaded Operators, and Arrays in Classes

... Overloading >  The insertion operator

Ngày tải lên: 12/09/2012, 22:53

127 417 0
Climate change and variability in vietnam and strategiesto be addapted on agriculture for sustainable development

Climate change and variability in vietnam and strategiesto be addapted on agriculture for sustainable development

... temperatures through 20oC, 25oC are very important for defining the crop calendar and crop rotation , especially for defining the growing period for Agriculture in the North and in the Mountain regions ... temperature in January, July and annual over last 35 years are increased about 0.2-1oC The dates of beginning and ending temperatures through 20oC, 25oC The dates of beginning and ending temperatures ... the change and variability of climate elements in every Agro-ecological regions are difference In general temperature is increasing sunshine duration is decreasing typhoon is moving in the South,...

Ngày tải lên: 23/09/2012, 15:10

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Cambridge.University.Press.A.Clinicians.Guide.to.Statistics.and.Epidemiology.in.Mental.Health.Measuring.Truth.and.Uncertainty.Jul.2009.pdf

Cambridge.University.Press.A.Clinicians.Guide.to.Statistics.and.Epidemiology.in.Mental.Health.Measuring.Truth.and.Uncertainty.Jul.2009.pdf

... others, such as “controlling” for confounding factors, or “correcting” for confounding factors Any of these terms are interchangeable: “adjusted” results, or results “controlled” or “corrected” ... uncertainty in all scientific work In physics and astronomy, for Section 1: Basic concepts instance, Pierre Laplace realized that certain error was inherent in all calculations Instead of ignoring ... (NetLibrary) ISBN-13 978-0-521-70958-3 Paperback Cambridge University Press has no responsibility for the persistence or accuracy of urls for external or third-party internet websites referred to in...

Ngày tải lên: 24/09/2012, 09:06

166 924 2
The graphs below show the numbers of male and female workers in 1975 and 1995 in several employment sectors of the republic of Freedonia

The graphs below show the numbers of male and female workers in 1975 and 1995 in several employment sectors of the republic of Freedonia

... made gains in both the finance/banking industries and in the defence-related public sector Whereas some 125 000 women worked in finance and banking institutions in 1975, the number increased ... retail trade sector, where the number of women rose from about 550 000 in 1975 to almost 800 000 two decades later The number of men in this sector remained stable over the period, at around 700 ... answer: The two decades between 1975 and 1995 brought significant changes in the representation of women in Freedonia's work force, according to the graphs In 1975, for example, some 300 000 men and...

Ngày tải lên: 04/10/2012, 10:02

2 1,6K 2
Báo cáo y học: " Facilitators and obstacles in pre-hospital medical response to earthquakes: a qualitative study"

Báo cáo y học: " Facilitators and obstacles in pre-hospital medical response to earthquakes: a qualitative study"

... made us perform primary triage at the airport Performing triage decreased the overall workload for the medical service and transport organizations at all levels.“ General Practitioner Master of Science ... by air was stopped“ according to another participant Furthermore, there were no standardized transportation methods, neither for ground vehicles nor by air There were, also, no standard protocols ... and key words and phrases, incidents and facts in the text were noted Primary codes were extracted The codes and data were compared for similarities and differences Categories and sub-categories...

Ngày tải lên: 25/10/2012, 09:56

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Báo cáo y học: "The epidemiology of intensive care unit-acquired hyponatraemia and hypernatraemia in medical-surgical intensive care unit"

Báo cáo y học: "The epidemiology of intensive care unit-acquired hyponatraemia and hypernatraemia in medical-surgical intensive care unit"

... hyponatraemia and hypernatraemia were determined using generalised estimating equations with a logistic regression in order to adjust for repeated measures A firstorder autoregressive correlation ... competing interests HTS designed the study, acquired data, interpreted data, drafted and revised the manuscript SBA interpreted data, drafted and revised the manuscript FK analysed and interpreted ... data and drafted the manuscript DZ interpreted data and revised the manuscript RS acquired data and revised the manuscript KL acquired data, interpreted data and revised the manuscript HTS and...

Ngày tải lên: 25/10/2012, 10:31

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Báo cáo khoa học: "Veterinary decision making in relation to metritis - a qualitative approach to understand the background for variation and bias in veterinary medical records"

Báo cáo khoa học: "Veterinary decision making in relation to metritis - a qualitative approach to understand the background for variation and bias in veterinary medical records"

... veterinarians Participant observation Observations of veterinary work on farms and interviews were made by the first author [DBL] from January to March 2008 The veterinarians were observed during ... participants A list of veterinarians with two or more 'herd agreements' within geographical regions was obtained from a central registry of veterinarians Veterinarians were phoned, starting at the top of ... veterinarians Qualitative semi-structured research interviews All veterinarians were interviewed about their decisions related to metritis using a semi-structured research methodology [4] The duration...

Ngày tải lên: 25/10/2012, 10:45

10 588 0
 Báo cáo y học: "he Association Among Lipoprotein-associated Phospholipase A2 Levels, Total Antioxidant Capacity and Arousal in Male Patients with OSA"

Báo cáo y học: "he Association Among Lipoprotein-associated Phospholipase A2 Levels, Total Antioxidant Capacity and Arousal in Male Patients with OSA"

... the increased cardiovascular risk during arousal Large randomized controlled trials identified higher circulating Lp-PLA2 levels as an independent predictor for first-time acute myocardial infarction ... has been attributed to cardiovascular mechanical stressors such as frequent apneas causing increases in negative intrathoracic pressure and cardiac pre -and after-load work; and intermittent hypoxemia ... Kolmogorov-Smirnow test Correlation analysis was carried out with Pearson’s correlation test for normally distributed variables Linear regression analysis was performed to determine the predictors of arousal...

Ngày tải lên: 25/10/2012, 11:00

8 508 0
Báo cáo y học: "2009 H1N1 Influenza and Experience in Three Critical Care Unit"

Báo cáo y học: "2009 H1N1 Influenza and Experience in Three Critical Care Unit"

... normalized ratio (INR) and heart rate were higher nonsurvivors than survivors (p

Ngày tải lên: 25/10/2012, 11:04

8 422 0
Báo cáo y học: " Preparation of RGD-modified Long Circulating Liposome Loading Matrine, and its in vitro Anti-cancer Effects"

Báo cáo y học: " Preparation of RGD-modified Long Circulating Liposome Loading Matrine, and its in vitro Anti-cancer Effects"

... potential carriers for targeted delivery to integrin-overexpressing tumor vasculature and tumor cells J Drug Target 2009; 17:459-67 Xiong XB, Huang Y, Lu WL, et al Enhanced intracellular delivery and ... targeting Derivatives of PEG provide a hydrophilic surface for the liposomes and reduce their interactions with plasma proteins Furthermore, this addition increased the molecules’ steric hindrance, ... cleared by the reticular endothelial system in vivo Furthermore, liposomes interact with plasma proteins, resulting in poor specific targeting and a short circulation time An efficient drug delivery...

Ngày tải lên: 26/10/2012, 08:57

12 638 1
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