Xem 1-11 trên 11 kết quả Microscope works
  • Microscopes have always been one of the essential instruments for research in the biomedical field. Radiation-based microscopes (such as the light microscope and the electron microscope) have become trustworthy companions in the laboratory and have contributed greatly to our scientific knowledge. However, although digital techniques in recent years have still enhanced their performance, the limits of their inherent capabilities have been progressively reached.

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  • The conservation of artefacts and buildings has a long history, but the positive emergence of conservation as a profession can be said to date from the foundation of the International Institute for the Conservation of Museum Objects (IIC) in 1950 (the last two words of the title being later changed to Historic and Artistic Works) and the appearance soon after in 1952 of its journal Studies in Conservation.

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  • (BQ) Ebook Like science: Body Imaging helps you know who was Galen? How does an X-ray machine work? What are some uses for ultrasound imaging? EEG and ECG are two tests that have some similarities, what are these similarities? What are the differences? Use examples from the book to support your answer.

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  • Simulation of the diffusion mechanism via microscopic bubbles in amorphous materials is carried out using the statistical relaxation models $Co_{81.5}B_{18.5}$ containing $2\times 10^5$ atoms. The present work is focused on the role of these bubbles for self-diffusion in amorphous solids. It was found that the numbers of the vacancy bubbles in amorphous $Co_{81.5}B_{18.5}$ vary from $1.4\times 10^{-3}$ to $4\times 10^{-3}$ per atom depending on the relaxation degree. The simulation shows the collective character of the atomic movement upon diffusion atoms moving.

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  • An ecosystem is a group of animals and plants living in a specific region and interacting with one another and with their physical environment. Ecosystems include physical and chemical components, such as soils, water, and nutrients that support the organisms living there. These organisms may range from large animals to microscopic bacteria. Ecosystems also can be thought of as the interactions among all organisms in a given habitat; for instance, one species may serve as food for another. People are part of the ecosystems where they live and work.

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  • The most important fact to remember about doll hair is that a little bit goes a very long way. Human hair is an almost microscopic bit of thready material. If a human hair, fine as it is, fits a human head in scale, how thin does it have to be in scale on a doll? Right, at least three times smaller! That will be impossible. Therefore, what you need to remember is that human hair is likely to be too large for most dolls. For realism, you will need to work with mohair or acrylic roving. For larger dolls,...

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  • Classical physics breaks down to the level of atoms and molecules. This was made possible by the invention of a new apparatus that enabled the introduction of measurements in microscopic area of physics. There were two revolutions in the way we viewed the physical world in the twentieth century: relativity and quantum mechanics. Quantum mechanics was born in 1924, through the work of Einstein, Rutherford and Bohr, Schrödinger and Heisenberg, Born, Dirac, and many others. The principles of quantum mechanics that were discovered then are the same as we know them today....

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  • “The authors of this book have led a revolution in the craft of programming by controlling the environment in which software grows. Their Petri dish is the mock object, and their microscope is the unit test. This book can show you how these tools introduce a repeatability to your work that would be the envy of any scientist.” —Ward Cunningham “At last a book, suffused with code, that exposes the deep symbiosis between TDD and OOD.

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  • In 1665, a book was published that inaugurated the use of the microscope to investigate the natural world. The author was Robert Hooke, a talented artist, architect, and amateur scientist. Hooke wrote Micrographia: Or Some Physiological Descriptions of Minute Bodies Made by Magnifying Glasses with Observations and Inquiries Thereupon, at the behest of the newly chartered Royal Society in London, for whom he was working as curator of scientific experiments. In Micrographia, he presented the first detailed observations of everyday objects made with his self-constructed light microscope....

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  • Surface science was revolutionized in 1982 by the invention of the scanning tunneling microscope (STM) by Binnig and Rohrer who received the Nobel prize only 4 years later in 1986 [1]. Shortly after the invention, the first images showing atomic resolution on a Si(111) 77 surface were obtained. As this allowed real space imaging of atomic structure, it gave a new turn on nanotechnology research. By means of its working principle, namely the quantum mechanical tunneling current, the STM is inherently limited to the study of conducting surfaces.

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  • The body is often divided into body systems. Each system, though performing specific jobs, works together with the other systems. Body systems are made from microscopic building blocks, called cells. A typical cell is only 0.011 inches across. There are about 10 trillion cells in the body. There are many different kinds of cells, such as nerve cells and muscle cells. Many cells of the same kind form tissue, such as nerve and muscle tissue. Two or more different kinds of tissue create an organ, like the brain, stomach, or kidney.

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