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Video
How MRI Works: Part 1 - NMR Basics. First in a series on how MRI works. This video deals with NMR basis such as spin, precession, T1 and T2, TR and TE, and Boltzmann Magnetization. 0:00 - Introduction 1:22 - Nuclear Magnetic Resonance 4:10 - Inside the MRI Scanner 7:50 - The Proton, Spin, and Precession 11:34 - Signal Detection and the Larmor Equation 14:10 - Flip Angle 15:30 - Ensemble Magnetic Moment 16:34 - Free Induction Decay and T2 18:43 - T2 Weighting and TE 21:46 - Spin Density Imaging 24:18 - T1 Relaxation 25:45 - T1 Weighting and TR 27:01 - The NMR Experiment and Rotating Frame 28:57 - Excitation: the B1 field 30:14 - Measuring Longitudinal Magnetization 31:34 - The MR Contrast Equation 34:42 - Boltzmann Magnetization and Polarization 40:09 - Hyperpolarization 41:42 - Outro
- Course related:
- BME42113 Biomedical Imaging
- Subjects:
- Medical Imaging and Physics
- Keywords:
- Magnetic resonance imaging
- Resource Type:
- Video
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Video
Between you and the rest of the world lies an interface that makes up 16% of your physical weight. This is your skin, the largest organ in your body: laid out flat, it would cover close to 1.7 square metres of ground. But besides keeping your organs in, what is its purpose? Emma Bryce takes us into the integumentary system to find out. Lesson by Emma Bryce, animation by Augenblick Studios.
- Course related:
- BME1D04 Subject Title Skin-Care Technologies: Principles, Applications and Safety
- Subjects:
- Health Sciences and Human Biology
- Keywords:
- Body covering (Anatomy) Skin
- Resource Type:
- Video
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Video
This video explain the concept of Celestial coordinate system.
- Course related:
- LSGI2224 Geo-Referencing System
- Subjects:
- Cosmology and Astronomy
- Keywords:
- Celestial mechanics Orbital mechanics
- Resource Type:
- Video
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Video
An example of using least squares to do data fitting. In this example, we demonstrate how to 1) fit a straight line using ordinary least-squares method, and 2) estimate value of a new input based on the fitted line.
- Course related:
- LSGI3242A Digital Terrain Modelling
- Subjects:
- Computing and Mathematics and Statistics
- Keywords:
- Least squares Regression analysis
- Resource Type:
- Video
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e-book
We are happy to welcome you to our second Open Educational Resource (OER) textbook, Biochemistry Free For All. Biochemistry is a relatively young science, but its rate of growth has been truly impressive. The rapid pace of discoveries, which shows no sign of slowing, is reflected in the steady increase in the size of biochemistry textbooks. Growing faster than the size of biochemistry books have been the skyrocketing costs of higher education and the even faster rising costs of college textbooks. These unfortunate realities have created a situation where the costs of going to college are beyond the means of increasing numbers of students.
- Subjects:
- Biochemistry
- Keywords:
- Biochemistry Textbooks
- Resource Type:
- e-book
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e-book
Open Resources for Community College Algebra (ORCCA) is an open-source, openly-licensed textbook package (eBook, print, and online homework) for basic and intermediate algebra. At Portland Community College, Part 1 is used in MTH 60, Part 2 is used in MTH 65, and Part 3 is used in MTH 95.
- Subjects:
- Mathematics and Statistics
- Keywords:
- Algebra Textbooks
- Resource Type:
- e-book
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e-book
Climate is also where we begin the design process in another tool referenced in the Permaculture design system. This is the Scale of Landscape Permanence, originated by P.A.Yeomans, the founder of Keyline™ Design. Yeomans asserts that the order of design is: Climate Landshape Water Supply Roads/Access Trees Structures Subdivision Fences Soil This book is predominantly about climate, and the macro influences of climate and climate change on design. As we get through the topics of climate analogues and climate change forecasting, we will end up moving down this list to see the climate’s influence on specific design choices.
- Subjects:
- Environmental Sciences
- Keywords:
- Permaculture Agricultural ecology Textbooks
- Resource Type:
- e-book
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e-book
Electromagnetics Volume 1 by Steven W. Ellingson is a 238-page, peer-reviewed open educational resource intended for electrical engineering students in the third year of a bachelor of science degree program. It is intended as a primary textbook for a one-semester first course in undergraduate engineering electromagnetics. The book employs the “transmission lines first” approach in which transmission lines are introduced using a lumped-element equivalent circuit model for a differential length of transmission line, leading to one-dimensional wage equations for voltage and current. Additional ResourcesProblem sets and the corresponding solution manual are also available.
- Subjects:
- Physics and Electrical Engineering
- Keywords:
- Electromagnetic theory Electromagnetism Textbooks
- Resource Type:
- e-book
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e-book
This is a lab manual for a college-level human anatomy course. Mastery of anatomy requires a fair amount of memorization and recall skills. The activities in this manual encourage students to engage with new vocabulary in many ways, including grouping key terms, matching terms to structures, recalling definitions, and written exercises. Most of the activities in this manual utilize anatomical models, and several dissections of animal tissues and histological examinations are also included. Each unit includes both pre- and post-lab questions and six lab exercises designed for a classroom where students move from station to station. The vocabulary terms used in each unit are listed at the end of the manual and serve as a checklist for practicals.
- Subjects:
- Laboratory Techniques and Safety and Biology
- Keywords:
- Human anatomy Laboratory manuals Textbooks
- Resource Type:
- e-book
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e-book
This text is intended to support courses that bridge the divide between mathematics typically encountered in U.S. high school curricula and the practical problems that natural resource students might engage with in their disciplinary coursework and professional internships.
- Subjects:
- Mathematics and Statistics
- Keywords:
- Problem solving Applied mathematics Textbooks Numerical analysis
- Resource Type:
- e-book