The London Edinburgh And Dublin Vol 24

Provides a comprehensive discussion of planar transmission lines and their applications, focusing on physical understanding, analytical approach, and circuit models Planar transmission lines form the core of the modern high-frequency communication, computer, and other related technology. This advanced text gives a complete overview of the technology and acts as a comprehensive tool for radio frequency (RF) engineers that reflects a linear discussion of the subject from fundamentals to more complex arguments. Introduction to Modern Planar Transmission Lines: Physical, Analytical, and Circuit Models Approach begins with a discussion of waves on transmission lines and waves in material medium, including a large number of illustrative examples from published results. After explaining the electrical properties of dielectric media, the book moves on to the details of various transmission lines including waveguide, microstrip line, co-planar waveguide, strip line, slot line, and coupled transmission lines. A number of special and advanced topics are discussed in later chapters, such as fabrication of planar transmission lines, static variational methods for planar transmission lines, multilayer planar transmission lines, spectral domain analysis, resonators, periodic lines and surfaces, and metamaterial realization and circuit models. Emphasizes modeling using physical concepts, circuit-models, closed-form expressions, and full derivation of a large number of expressions Explains advanced mathematical treatment, such as the variation method, conformal mapping method, and SDA Connects each section of the text with forward and backward cross-referencing to aid in personalized self-study Introduction to Modern Planar Transmission Lines is an ideal book for senior undergraduate and graduate students of the subject. It will also appeal to new researchers with the inter-disciplinary background, as well as to engineers and professionals in industries utilizing RF/microwave technologies.

Excerpt from The London, Edinburgh, and Dublin Philosophical Magazine and Journal of Science, Vol. 24: Fifth Series; July-December, 1887 Some very careful experiments on conduction have been carried out by Herr Weber who has also made some impor tant criticisms on previous methods. I shall consider his theory and experiments in connection with a very powerful paper by Herr lorbergt. This is based entirely on 11'eber's work, and gives a more exact mathematical treatment of the subject. It also attempts to show that rober's deductions from his observations require amendment. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.

The data and limited to records from United States Weather Bureau first-order, cooperative, and special stations, and from stations maintained by other agencies and private companies that were published in Climatological Data and the Hydrologic Bulletin.

Excerpt from The London, Edinburgh, and Dublin, Vol. 24: Philosophical Magazine and Journal of Science; January June, 1844 I. On the Action of Yellow Light in producing the Green Colour, and Jndigo Light the Movements., of Plants. By D. P. Gardner, M.D., Corresponding Member of the Lyceum of Natural History, New York. 1. The object of this paper is to prove the existence of different properties in the rays of the spectrum, in their action on vegetables; and more especially to show that the rays which produce the green colour of plants are altogether dissimilar from those which influence their movements towards light; the colour being developed by the less re-frangible rays, and chiefly by the yellow; whereas the motion is influenced by indigo light. The discussion of the subject will be divided under three heads: - 1st. On the Production of Chlorophyl by yellow light. 2nd. On the Movements of Plants towards indigo light. 3rd. Some applications of these facts to vegetable physiology. Part I. On the Production of Chlorophyl by yellow light. 2. It is a fundamental fact in botany that light is necessary to the formation of chlorophyl. Von Humboldt adduced certain exceptions to this law, in the case of plants found in the mines of Freyberg, and with Senebier ascribed the green matter to the action of hydrogen gas. But the experiments of the latter have failed in the hands of DeCandolle, and a series instituted by myself, and conducted with great care, were equally unsuccessful. On the other hand, Humboldt succeeded in greening a plant of Lepidium sativum, raised in darkness, by the light of two lamps, and DeCandolle obtained the same result with six Argand lamps. 3. The investigation has been subsequently confined to the name of the ray which produces the chlorophyl. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.

"Publications of the Academy of Natural Sciences of Philadelphia": v. 53, 1901, p. 788-794.

Excerpt from The London, Edinburgh, and Dublin Philosophical Magazine and Journal of Science, Vol. 24: July-December, 1862 On a new Metal in the Native Platinum Of Rogue River, Oregon, by C. F. Chandler, Professor of Chemistry at Union College. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.

Excerpt from The London, Edinburgh, and Dublin Philosophical Magazine and Journal of Science, Vol. 19: January-June, 1860 The instrument consists of a glass tube, ab, in serted in a light half-pint flask A, the connexion at e 1) being made air-tight a thermometrical scale m n attached to the tube 3 a moveable barometrical scale C D Q a piece of very thin india-rubber tied over the top of the tube A B, to keep the external air from coming in contact with the strong sulphuric acid occupying a portion of the tube and flask. The tube AB is about 24 inches long, and about gths of an inch internal diameter; it is secured to the flask in the following manner z - Two perforated corks, e and fitting the neck of the flask, are placed on the tube the lower one, e, is coated with a solution of india-rubber to render it impervious to air; the upper cork, being raised a little, the cork e with the tube is pressed down to its proper depth some pieces of chemical cement, fusible at a gentle heat, are now placed above the cork e, and a gentle heat is applied until the cement melts the upper cork v is then brought down to its place upon the melted cement when the cement has cooled, the tube will be found firmly fixed in the flask and perfectly air-tight. Strong sulphuric acid of commerce is introduced through the tube by means of a pipette, the tube being held in an inclined position. N.b. All this process of cementing may be obviated by having a globe and tube bent in the manner shown in the succeeding diagram but I preferred showing how the instrument may be constructed cheaply, and with materials which may be readily obtained. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.