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Ikan nila memiliki potensi besar sebagai ikan budidaya karena beberapa keunggulan, baik secara biologis maupun pasar. Namun, budidaya ikan nila intensif juga berisiko terinfeksi dari berbagai penyakit yang dapat mengganggu produksi dan kualitas ikan. Penyakit yang menimbulkan risiko bagi budidaya ikan nila intensif yang disebabkan oleh parasit, bakteri, jamur, virus. Penyakit ini dapat dipicu oleh faktor-faktor seperti kualitas air yang buruk, stres ikan, dan adanya patogen. Oleh karena itu, manajemen kesehatan yang efektif sangat penting untuk mengurangi risiko penyakit. Strategi manajemen kesehatan ikan nila yang efektif termasuk penggunaan praktik pertanian yang baik, imunomodulator untuk meningkatkan sistem kekebalan tubuh, vaksin, dan penggunaan antibiotik yang bijaksana. Selain itu, memantau perilaku ikan, mengawasi kualitas air, dan menggunakan teknologi pemantauan dan manajemen data juga penting. Hal ini memastikan bahwa produksi ikan nila dapat dilakukan secara efektif dan efisien, menjaga kualitas ikan yang baik.
This handbook for administrative assistants and secretaries covers such topics as telephone usage, keeping accurate records, making travel arrangements, e-mail, using the Internet, business documents, and language usage.
A History of Women in America integrates the stories of women in America into the national narrative of American history. By weaving women's lives into the heart of the country's narratives, readers will see women where they were, rather than having them appear as appendages to events controlled largely by men. Coryell and Faires use accessible language, telling stories that will attract beginning scholars to the field of history. Major ethnic groups are incorporated, from Native American and African women who appear earliest in the text, to the major immigrant groups, such as Hispanic, Latina, Chicana, and Asian women, who occupy increasingly larger roles throughout the nineteenth and twentieth centuries.
Joel Spring’s American Education introduces readers to the historical, political, social, and legal foundations of education and to the profession of teaching in the United States. In his signature straightforward and concise approach to describing complex issues, Spring illuminates events and topics and that are often overlooked or whitewashed, giving students the opportunity to engage in critical thinking about education. In this edition he looks closely at the global context of education in the U.S. Featuring current information and challenging perspectives—with scholarship that is often cited as a primary source, students will come away from this clear, authoritative text informed on...
The comprehensive, soup-to-nuts guide to Photoshop, fully updated Photoshop CS6, used for both print and digital media, is the industry leader in image-editing software. The newest version adds some exciting new features, and this bestselling guide has been revised to cover each of them, along with all the basic information you need to get started. Learn to use all the tools, including the histogram palette, Lens Blur, Match Color, and the color replacement tool, as well as keyboard shortcuts. Then master retouching and color correction, work with Camera Raw images, prepare photos for print or the web, and much more. Photoshop has the broadest user base of any professional-level graphics app...
CREATE FIENDISHLY FUN SPY TOOLS AND COUNTERMEASURES Fully updated throughout, this wickedly inventive guide is packed with a wide variety of stealthy sleuthing contraptions you can build yourself. 101 Spy Gadgets for the Evil Genius, Second Edition also shows you how to reclaim your privacy by targeting the very mechanisms that invade your space. Find out how to disable several spy devices by hacking easily available appliances into cool tools of your own, and even turn the tables on the snoopers by using gadgetry to collect information on them. Featuring easy-to-find, inexpensive parts, this hands-on guide helps you build your skills in working with electronics components and tools while yo...
Steel companies were at the birth of the modern business corporation. The first billion dollar corporation ever formed was U.S. Steel in 1901. By the mid-twentieth century the steel mill and the automobile plant were the two pillars upon which the twentieth century industrial economy rested. Given the scale of capital and operations, vertical integration was seen to be pivotal, from the raw materials of iron ore and coal on one end of the supply chain to the myriad of finished products on the other. By the end of the twentieth century, however, things had dramatically changed. Take a look inside for a brilliant and concise history of the steel industry. The author has put together a true pre...
Using a simple yet rigorous approach, Algebraic and Stochastic Coding Theory makes the subject of coding theory easy to understand for readers with a thorough knowledge of digital arithmetic, Boolean and modern algebra, and probability theory. It explains the underlying principles of coding theory and offers a clear, detailed description of each code. More advanced readers will appreciate its coverage of recent developments in coding theory and stochastic processes. After a brief review of coding history and Boolean algebra, the book introduces linear codes, including Hamming and Golay codes. It then examines codes based on the Galois field theory as well as their application in BCH and espe...
This book describes several techniques to address variation-related design challenges for analog blocks in mixed-signal systems-on-chip. The methods presented are results from recent research works involving receiver front-end circuits, baseband filter linearization, and data conversion. These circuit-level techniques are described, with their relationships to emerging system-level calibration approaches, to tune the performances of analog circuits with digital assistance or control. Coverage also includes a strategy to utilize on-chip temperature sensors to measure the signal power and linearity characteristics of analog/RF circuits, as demonstrated by test chip measurements. Describes a variety of variation-tolerant analog circuit design examples, including from RF front-ends, high-performance ADCs and baseband filters; Includes built-in testing techniques, linked to current industrial trends; Balances digitally-assisted performance tuning with analog performance tuning and mismatch reduction approaches; Describes theoretical concepts as well as experimental results for test chips designed with variation-aware techniques.
Summary Activiti in Action is a comprehensive tutorial designed to introduce developers to the world of business process modeling using Activiti. Before diving into the nuts and bolts of Activiti, this book presents a solid introduction to BPMN 2.0 from a developer's perspective. About the Technology Activiti streamlines the implemention of your business processes: with Activiti Designer you draw your business process using BPMN. Its XML output goes to the Activiti Engine which then creates the web forms and performs the communications that implement your process. It's as simple as that. Activiti is lightweight, integrates seamlessly with standard frameworks, and includes easy-to-use design ...