Cu 21, Sn 79 (wt%), peritectic transformation
This microstructure is generated via a peritectic′s reaction (L+ε = η), which bears some similarities to the more familiar eutectic reaction (L = α+β). Upon cooling from the liquid phase field, primary ε is formed, which can be seen here as a slightly darker phase than the sheath of η surrounding it. The η sheath is the product of a peritectic reaction between ε and liquid. The peritectic reaction rarely goes to completion, si
Author(s): Prof T W Clyne, Department of Materials Science an

License information
Related content

http://creativecommons.org/licenses/by-nc-sa/2.0/uk/

2.1 The nature of systems thinking and systems practice

There are no simple definitions for either systems thinking or systems practice. It's difficult to find definitions that capture all the perspectives that the ideas carry for people who think of themselves as systems thinkers and systems practitioners. Most systems practitioners seem to experience the same kind of difficulty in explaining what they do or what it means to be systemic in their thinking. Through experience I've developed some criteria by which I characterize systems thinking, bu
Author(s): The Open University

License information
Related content

Copyright © 2016 The Open University

Optical Tweezers and Applications
Did you ever imagine that you can use light to move a microscopic plastic bead? Explore the forces on the bead or slow time to see the interaction with the laser's electric field. Use the optical tweezers to manipulate a single strand of DNA and explore the physics of tiny molecular motors. Can you get the DNA completely straight or stop the molecular motor?
Author(s): No creator set

License information
Related content

Physics in architecture
Developed in 1998 by Dr John Whittle (Department of the Built Environment) using Authorware, this package contains brief interactive notes on eight areas of physics in which architects need a working knowledge. However, it is also useful to others in science, engineering and social sciences looking for an introduction to the topics concerned. These topics are: Units of measurement; Scalar and vector quantities; Newton’s laws; Mass and weight; Action and reaction; Waves; Heat, work and energy;
Author(s): Whittle John Dr

License information
Related content

http://creativecommons.org/licenses/by-nc-sa/2.0/uk/

Marketing of organic products

pdfExperiment to comparate the issues between organic agriculture and traditional agriculture.
creative commons license
Author(s): No creator set

License information
Related content

Grassland management on organic farms

pdfRecent decades have seen a reduction in value of clover pasture with the ease of establishing and maintaining nitrogen fertiliser-based grassland pastures. However, clover based pastures are now seen as suitable for maintaining good stocking rates, and this 16-page document
Author(s): No creator set

License information
Related content

Vegetable MD online

thumbnailPublished on the Web by the Cornell Plant Pathology Department, this site provides access to a range of fact sheets on vegetable diseases. The fact sheets are listed by crop and cover a range of issues, including production costs, varie
Author(s): No creator set

License information
Related content

Distinguished Innovator Lecture Series: John Steuart
Distinguished Innovator Lecture Series John Steuart, Managing Director, Claremont Creek Ventures John Steuart is a Managing Director of Claremont Creek Ventures, an Oakland-based venture capital firm investing in early-stage information technology companies. John focuses on the intersection of the information technology and life sciences markets including bioinformatics, molecular diagnostics, genomics, proteomics, software and instrumentation for med-tech industries. John serves on the board
Author(s): Creator not set

License information
Related content

Rights not set

Amplification of Biochemical Signals: the ELISA Test
Students are introduced to the role of molecular shape, weak attractions and charge in biology and biochemistry, and then undertake a simulated Direct ELISA test.
Author(s): No creator set

License information
Related content

BioGrapher
PURPOSE: A simple Excel-based workbook with worksheets as a front end for the AT&T GraphViz Graph Layout software suite. BioGrapher enhances Excel-based tools developed in the Chemistry and Biology Departments at Beloit College to allow for convenient visualization of graphs and graphical connections that are important in systems and computational biology, molecular biology, biochemistry, and genetics.
Author(s): No creator set

License information
Related content

Case It
This software can be used to investigate common molecular biology laboratory procedures using DNA or protein sequence data. These simulations and cases are based primarily on genetic and infectious disease with techniques such as: DNA electrophoresis, Southern blot, PCR, Multiplex PCR, Dot blot, ELISA, Western blot, 96-well PCR, protein electrophoresis. Case It! is collaborative BioQUEST project between the University of Wisconsin-River Falls and Michigan State University.
Author(s): No creator set

License information
Related content

Essential Physics I
Essential Physics 1, is an intensive introduction to classical and special relativity, Newtonian dynamics and gravitation, Einsteinian dynamics and gravitation, and wave motion. Mathematical methods are discussed, as needed; they include: elements of differential geometry, linear operators and matrices, ordinary differential equations, calculus of variations, orthogonal functions and Fourier series, and non-linear equations for chaotic systems. The contents of this book can be taught in one seme
Author(s): Frank W. K. Firk

License information
Related content

Rights not set

Social Psychology - Spring 2008
Social Psychology - Spring 2007. The course will begin with a historical introduction to social psychology, focusing on the intellectual contribution of Kurt Lewin and the integration of evolutionary and cultural approaches to human nature. The course will then focus on the major topics of social psychology (group dynamics, social influence, attitudes and attitude change, social perception) as well as more specific areas of research (altruism, emotion, justice) and recent developments in the fie
Author(s): Dacher Keltner

License information
Related content

Rights not set

A Look at Me
Students will develop a personal lifeline which will include events from the past and present. Students will also be asked to think or dream about events in the future. Advise students that for this activity they can plan to live to be one hundred years old. They must include a minimum of five events from their past and seven events they see in their future. This curriculum contains suggested activities to gradually move students toward a more futuristic and empathetic mind set. Students may dis
Author(s): No creator set

License information
Related content

NOP - Sustainable organic teaching lab
Sustainable development needs chemical research Research and innovation are preconditions for the transformation of economic and social processes in favor of a sustainable development. Chemistry, the science and practice of the transformation of matter, is of central importance. Everyone dealing with chemistry can contribute substantially to sustainable development and holds special responsibility. Already in education the links between reactions and substances with the consumption of energy and
Author(s): No creator set

License information
Related content

Get This Bug Off Me!
It's a natural reaction to be frightened of some insects. Many insects have the ability to harm people, and many insects look very menacing. However, many large insects are not harmful at all. Because it would take several volumes to describe every insect, this publication is intended to distinguish several common insects and insect relatives in Kentucky that are or are not harmful.
Author(s): No creator set

License information
Related content

A Manual of Online Molecular Biology Techniques
This is a collection of tried-and-true technique descriptions used in teaching postgraduate students in the Department of Molecular & Cell Biology at UCT.
Author(s): No creator set

License information
Related content

Genetics
Medical genetics involves the application of genetic principles in the practice of medicine. The material in this course encompasses diagnosis and treatment of genetic diseases (such as cancer genetics ), study of inheritance of diseases in families, mapping of disease genes to their chromosome locations, study of the molecular genetics and pathogenesis of inherited disorders, provision of genetic counseling for families, and investigations of methods for gene therapy. Unlike any other field, ge
Author(s): No creator set

License information
Related content

Renal Pathophysiology
The importance of the kidneys is most clearly demonstrated in the presence of pathophysiologic states. The kidneys play a central role in the maintenance of the internal milieu by balancing fluid, electrolytes, and hydrogen ions to provide optimal conditions for molecular, cellular, and body system function. They also serve as the major excretory organ for metabolic byproducts, drugs, and other organic substances. Finally, the kidneys are an important endocrine organ, producing vasoactive factor
Author(s): No creator set

License information
Related content

Calculating Molecular Weight
The molecular weight is the mass of one mole of a substance. Usually, the units used for this are grams per mole. In this movie, we show how to calculate the molecular weight of a substance from the atomic weights given on the periodic table. On another page, we use the molecular weight to convert between the macroscopic scale (grams of a substance) and the microscopic scale (number of molecules of that substance).
Author(s): No creator set

License information
Related content