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Author : Patrick Carman
Publisher : Scholastic Inc.
Page : 226 pages
File Size : 51,6 Mb
Release : 2010
Category : Juvenile Fiction
ISBN : 9780545165006
Book has video/internet tie-ins.
Author : Deon Meyer
Publisher : Random House Canada
Page : 498 pages
File Size : 40,8 Mb
Release : 2011-09-06
Category : Fiction
ISBN : 9780307360182
Lemmer's First Law: Don't get involved. But when Emma le Roux looks at him with pleading eyes, when the roof of his Karoo house needs big repairs, when the cause is good and just, laws can be broken. So he sighs, and says, yes, he'll ride shotgun for two rare black rhinos. Bad decision. Because on a dark and dusty road in Limpopo, they stick a Smith & Wesson Model 500 against his head. They kick him and beat him, they lie, they deceive him, and they steal his Glock, the one with his fingerprints all over it. They should have killed him. And now he goes after them--the start of a trail of violence that will run the length and breadth of a country, and touch many lives. It will leave a trail of blood through the first private-investigation dossier of former cop Mat Joubert. It's a "fifty-five," police slang for a missing persons case. It will stomp fear and horror through the life of Milla Strachan, who walked out on her rich, cheating husband and abusive teenage son to start a new life. A trail of death, stretching from the Chizarira to the Cape Waterfront. And at the end of it, nobody will be untouched.
Author : Patrick Carman
Publisher : Scholastic Inc.
Page : 178 pages
File Size : 45,7 Mb
Release : 2011
Category : Juvenile Fiction
ISBN : 9780545165013
Book has video/internet tie-ins.
Author : Nicholas Sansbury Smith
Publisher : Createspace Independent Publishing Platform
Page : 316 pages
File Size : 48,9 Mb
Release : 2017-09-11
Category : Electromagnetic pulse
ISBN : 1546427899
"One month after the North Korean attack, the United States continues to fall into anarchy. In Estes Park, Colorado, Police Chief Marcus Colton and tracker Sam 'Raven' Spears work tirelessly to defend their home town. But after a brutal coordinated attack, they realize it will take much more than roadblocks and a volunteer militia to protect their borders and keep their families safe."--Back cover.
Author : Chris Gudgeon
Publisher : Tundra Books
Page : 82 pages
File Size : 44,8 Mb
Release : 2010-10-12
Category : Juvenile Fiction
ISBN : 9780887769504
Inspired by the hit television series "Ghost Trackers," this ghostly tome invites readers to explore the mysteries that haunt us all: ghostly histories, how to equip yourself to explore a haunted house, the latest on what the scientists think. All this and much more is packed into this fascinating book. In the world of Ghost Trackers, kids who are interested in ghosts and the paranormal search for answers to the questions we all have about the afterlife. Full of stories of sightings, both ancient and recent, and information about becoming a ghost tracker, this book demands to be read and shared. After all, who knows if ghosts are evidence of life after death or if they are simply a natural occurrence we are yet to understand?
Author : Gary Paulsen
Publisher : Simon and Schuster
Page : 102 pages
File Size : 47,9 Mb
Release : 2012-05-29
Category : Juvenile Fiction
ISBN : 9781442467125
A young hunter must confront the value of life as he faces the loss of his grandfather. For John Borne's family, hunting has nothing to do with sport or manliness. It's a matter of survival. Every fall John and his grandfather go off into the woods to shoot the deer that puts meat on the table over the long Minnesota winter. But this year John's grandfather is dying, and John must hunt alone. John tracks a doe for two days, but as he closes in on his prey, he realizes he cannot shoot her. For John, the hunt is no longer about killing, but about life.
Author : Gerro Prinsloo,Robert Dobson
Publisher : Gerro Prinsloo
Page : 323 pages
File Size : 43,5 Mb
Release : 2014-10-12
Category : Business & Economics
ISBN : 8210379456XXX
This book details Automatic Solar-Tracking, Sun-Tracking-Systems, Solar-Trackers and Sun Tracker Systems. An intelligent automatic solar tracker is a device that orients a payload toward the sun. Such programmable computer based solar tracking device includes principles of solar tracking, solar tracking systems, as well as microcontroller, microprocessor and/or PC based solar tracking control to orientate solar reflectors, solar lenses, photovoltaic panels or other optical configurations towards the sun. Motorized space frames and kinematic systems ensure motion dynamics and employ drive technology and gearing principles to steer optical configurations such as mangin, parabolic, conic, or cassegrain solar energy collectors to face the sun and follow the sun movement contour continuously. In harnessing power from the sun through a solar tracker or practical solar tracking system, renewable energy control automation systems require automatic solar tracking software and solar position algorithms to accomplish dynamic motion control with control automation architecture, circuit boards and hardware. On-axis sun tracking system such as the altitude-azimuth dual axis or multi-axis solar tracker systems use a sun tracking algorithm or ray tracing sensors or software to ensure the sun's passage through the sky is traced with high precision in automated solar tracker applications, right through summer solstice, solar equinox and winter solstice. A high precision sun position calculator or sun position algorithm is this an important step in the design and construction of an automatic solar tracking system. From sun tracing software perspective, the sonnet Tracing The Sun has a literal meaning. Within the context of sun track and trace, this book explains that the sun's daily path across the sky is directed by relatively simple principles, and if grasped/understood, then it is relatively easy to trace the sun with sun following software. Sun position computer software for tracing the sun are available as open source code, sources that is listed in this book. Ironically there was even a system called sun chaser, said to have been a solar positioner system known for chasing the sun throughout the day. Using solar equations in an electronic circuit for automatic solar tracking is quite simple, even if you are a novice, but mathematical solar equations are over complicated by academic experts and professors in text-books, journal articles and internet websites. In terms of solar hobbies, scholars, students and Hobbyist's looking at solar tracking electronics or PC programs for solar tracking are usually overcome by the sheer volume of scientific material and internet resources, which leaves many developers in frustration when search for simple experimental solar tracking source-code for their on-axis sun-tracking systems. This booklet will simplify the search for the mystical sun tracking formulas for your sun tracker innovation and help you develop your own autonomous solar tracking controller. By directing the solar collector directly into the sun, a solar harvesting means or device can harness sunlight or thermal heat. This is achieved with the help of sun angle formulas, solar angle formulas or solar tracking procedures for the calculation of sun's position in the sky. Automatic sun tracking system software includes algorithms for solar altitude azimuth angle calculations required in following the sun across the sky. In using the longitude, latitude GPS coordinates of the solar tracker location, these sun tracking software tools supports precision solar tracking by determining the solar altitude-azimuth coordinates for the sun trajectory in altitude-azimuth tracking at the tracker location, using certain sun angle formulas in sun vector calculations. Instead of follow the sun software, a sun tracking sensor such as a sun sensor or webcam or video camera with vision based sun following image processing software can also be used to determine the position of the sun optically. Such optical feedback devices are often used in solar panel tracking systems and dish tracking systems. Dynamic sun tracing is also used in solar surveying, DNI analyser and sun surveying systems that build solar infographics maps with solar radiance, irradiance and DNI models for GIS (geographical information system). In this way geospatial methods on solar/environment interaction makes use use of geospatial technologies (GIS, Remote Sensing, and Cartography). Climatic data and weather station or weather center data, as well as queries from sky servers and solar resource database systems (i.e. on DB2, Sybase, Oracle, SQL, MySQL) may also be associated with solar GIS maps. In such solar resource modelling systems, a pyranometer or solarimeter is normally used in addition to measure direct and indirect, scattered, dispersed, reflective radiation for a particular geographical location. Sunlight analysis is important in flash photography where photographic lighting are important for photographers. GIS systems are used by architects who add sun shadow applets to study architectural shading or sun shadow analysis, solar flux calculations, optical modelling or to perform weather modelling. Such systems often employ a computer operated telescope type mechanism with ray tracing program software as a solar navigator or sun tracer that determines the solar position and intensity. The purpose of this booklet is to assist developers to track and trace suitable source-code and solar tracking algorithms for their application, whether a hobbyist, scientist, technician or engineer. Many open-source sun following and tracking algorithms and source-code for solar tracking programs and modules are freely available to download on the internet today. Certain proprietary solar tracker kits and solar tracking controllers include a software development kit SDK for its application programming interface API attributes (Pebble). Widget libraries, widget toolkits, GUI toolkit and UX libraries with graphical control elements are also available to construct the graphical user interface (GUI) for your solar tracking or solar power monitoring program. The solar library used by solar position calculators, solar simulation software and solar contour calculators include machine program code for the solar hardware controller which are software programmed into Micro-controllers, Programmable Logic Controllers PLC, programmable gate arrays, Arduino processor or PIC processor. PC based solar tracking is also high in demand using C++, Visual Basic VB, as well as MS Windows, Linux and Apple Mac based operating systems for sun path tables on Matlab, Excel. Some books and internet webpages use other terms, such as: sun angle calculator, sun position calculator or solar angle calculator. As said, such software code calculate the solar azimuth angle, solar altitude angle, solar elevation angle or the solar Zenith angle (Zenith solar angle is simply referenced from vertical plane, the mirror of the elevation angle measured from the horizontal or ground plane level). Similar software code is also used in solar calculator apps or the solar power calculator apps for IOS and Android smartphone devices. Most of these smartphone solar mobile apps show the sun path and sun-angles for any location and date over a 24 hour period. Some smartphones include augmented reality features in which you can physically see and look at the solar path through your cell phone camera or mobile phone camera at your phone's specific GPS location. In the computer programming and digital signal processing (DSP) environment, (free/open source) program code are available for VB, .Net, Delphi, Python, C, C+, C++, PHP, Swift, ADM, F, Flash, Basic, QBasic, GBasic, KBasic, SIMPL language, Squirrel, Solaris, Assembly language on operating systems such as MS Windows, Apple Mac, DOS or Linux OS. Software algorithms predicting position of the sun in the sky are commonly available as graphical programming platforms such as Matlab (Mathworks), Simulink models, Java applets, TRNSYS simulations, Scada system apps, Labview module, Beckhoff TwinCAT (Visual Studio), Siemens SPA, mobile and iphone apps, Android or iOS tablet apps, and so forth. At the same time, PLC software code for a range of sun tracking automation technology can follow the profile of sun in sky for Siemens, HP, Panasonic, ABB, Allan Bradley, OMRON, SEW, Festo, Beckhoff, Rockwell, Schneider, Endress Hauser, Fudji electric. Honeywell, Fuchs, Yokonawa, or Muthibishi platforms. Sun path projection software are also available for a range of modular IPC embedded PC motherboards, Industrial PC, PLC (Programmable Logic Controller) and PAC (Programmable Automation Controller) such as the Siemens S7-1200 or Siemens Logo, Beckhoff IPC or CX series, OMRON PLC, Ercam PLC, AC500plc ABB, National Instruments NI PXI or NI cRIO, PIC processor, Intel 8051/8085, IBM (Cell, Power, Brain or Truenorth series), FPGA (Xilinx Altera Nios), Intel, Xeon, Atmel megaAVR, MPU, Maple, Teensy, MSP, XMOS, Xbee, ARM, Raspberry Pi, Eagle, Arduino or Arduino AtMega microcontroller, with servo motor, stepper motor, direct current DC pulse width modulation PWM (current driver) or alternating current AC SPS or IPC variable frequency drives VFD motor drives (also termed adjustable-frequency drive, variable-speed drive, AC drive, micro drive or inverter drive) for electrical, mechatronic, pneumatic, or hydraulic solar tracking actuators. The above motion control and robot control systems include analogue or digital interfacing ports on the processors to allow for tracker angle orientation feedback control through one or a combination of angle sensor or angle encoder, shaft encoder, precision encoder, optical encoder, magnetic encoder, direction encoder, rotational encoder, chip encoder, tilt sensor, inclination sensor, or pitch sensor. Note that the tracker's elevation or zenith axis angle may measured using an altitude angle-, declination angle-, inclination angle-, pitch angle-, or vertical angle-, zenith angle- sensor or inclinometer. Similarly the tracker's azimuth axis angle be measured with a azimuth angle-, horizontal angle-, or roll angle- sensor. Chip integrated accelerometer magnetometer gyroscope type angle sensors can also be used to calculate displacement. Other options include the use of thermal imaging systems such as a Fluke thermal imager, or robotic or vision based solar tracker systems that employ face tracking, head tracking, hand tracking, eye tracking and car tracking principles in solar tracking. With unattended decentralised rural, island, isolated, or autonomous off-grid power installations, remote control, monitoring, data acquisition, digital datalogging and online measurement and verification equipment becomes crucial. It assists the operator with supervisory control to monitor the efficiency of remote renewable energy resources and systems and provide valuable web-based feedback in terms of CO2 and clean development mechanism (CDM) reporting. A power quality analyser for diagnostics through internet, WiFi and cellular mobile links is most valuable in frontline troubleshooting and predictive maintenance, where quick diagnostic analysis is required to detect and prevent power quality issues. Solar tracker applications cover a wide spectrum of solar energy and concentrated solar devices, including solar power generation, solar desalination, solar water purification, solar steam generation, solar electricity generation, solar industrial process heat, solar thermal heat storage, solar food dryers, solar water pumping, hydrogen production from methane or producing hydrogen and oxygen from water (HHO) through electrolysis. Many patented or non-patented solar apparatus include tracking in solar apparatus for solar electric generator, solar desalinator, solar steam engine, solar ice maker, solar water purifier, solar cooling, solar refrigeration, USB solar charger, solar phone charging, portable solar charging tracker, solar coffee brewing, solar cooking or solar dying means. Your project may be the next breakthrough or patent, but your invention is held back by frustration in search for the sun tracker you require for your solar powered appliance, solar generator, solar tracker robot, solar freezer, solar cooker, solar drier, solar pump, solar freezer, or solar dryer project. Whether your solar electronic circuit diagram include a simplified solar controller design in a solar electricity project, solar power kit, solar hobby kit, solar steam generator, solar hot water system, solar ice maker, solar desalinator, hobbyist solar panels, hobby robot, or if you are developing professional or hobby electronics for a solar utility or micro scale solar powerplant for your own solar farm or solar farming, this publication may help accelerate the development of your solar tracking innovation. Lately, solar polygeneration, solar trigeneration (solar triple generation), and solar quad generation (adding delivery of steam, liquid/gaseous fuel, or capture food-grade CO$_2$) systems have need for automatic solar tracking. These systems are known for significant efficiency increases in energy yield as a result of the integration and re-use of waste or residual heat and are suitable for compact packaged micro solar powerplants that could be manufactured and transported in kit-form and operate on a plug-and play basis. Typical hybrid solar power systems include compact or packaged solar micro combined heat and power (CHP or mCHP) or solar micro combined, cooling, heating and power (CCHP, CHPC, mCCHP, or mCHPC) systems used in distributed power generation. These systems are often combined in concentrated solar CSP and CPV smart microgrid configurations for off-grid rural, island or isolated microgrid, minigrid and distributed power renewable energy systems. Solar tracking algorithms are also used in modelling of trigeneration systems using Matlab Simulink (Modelica or TRNSYS) platform as well as in automation and control of renewable energy systems through intelligent parsing, multi-objective, adaptive learning control and control optimization strategies. Solar tracking algorithms also find application in developing solar models for country or location specific solar studies, for example in terms of measuring or analysis of the fluctuations of the solar radiation (i.e. direct and diffuse radiation) in a particular area. Solar DNI, solar irradiance and atmospheric information and models can thus be integrated into a solar map, solar atlas or geographical information systems (GIS). Such models allows for defining local parameters for specific regions that may be valuable in terms of the evaluation of different solar in photovoltaic of CSP systems on simulation and synthesis platforms such as Matlab and Simulink or in linear or multi-objective optimization algorithm platforms such as COMPOSE, EnergyPLAN or DER-CAM. A dual-axis solar tracker and single-axis solar tracker may use a sun tracker program or sun tracker algorithm to position a solar dish, solar panel array, heliostat array, PV panel, solar antenna or infrared solar nantenna. A self-tracking solar concentrator performs automatic solar tracking by computing the solar vector. Solar position algorithms (TwinCAT, SPA, or PSA Algorithms) use an astronomical algorithm to calculate the position of the sun. It uses astronomical software algorithms and equations for solar tracking in the calculation of sun's position in the sky for each location on the earth at any time of day. Like an optical solar telescope, the solar position algorithm pin-points the solar reflector at the sun and locks onto the sun's position to track the sun across the sky as the sun progresses throughout the day. Optical sensors such as photodiodes, light-dependant-resistors (LDR) or photoresistors are used as optical accuracy feedback devices. Lately we also included a section in the book (with links to microprocessor code) on how the PixArt Wii infrared camera in the Wii remote or Wiimote may be used in infrared solar tracking applications. In order to harvest free energy from the sun, some automatic solar positioning systems use an optical means to direct the solar tracking device. These solar tracking strategies use optical tracking techniques, such as a sun sensor means, to direct sun rays onto a silicon or CMOS substrate to determine the X and Y coordinates of the sun's position. In a solar mems sun-sensor device, incident sunlight enters the sun sensor through a small pin-hole in a mask plate where light is exposed to a silicon substrate. In a web-camera or camera image processing sun tracking and sun following means, object tracking software performs multi object tracking or moving object tracking methods. In an solar object tracking technique, image processing software performs mathematical processing to box the outline of the apparent solar disc or sun blob within the captured image frame, while sun-localization is performed with an edge detection algorithm to determine the solar vector coordinates. An automated positioning system help maximize the yields of solar power plants through solar tracking control to harness sun's energy. In such renewable energy systems, the solar panel positioning system uses a sun tracking techniques and a solar angle calculator in positioning PV panels in photovoltaic systems and concentrated photovoltaic CPV systems. Automatic on-axis solar tracking in a PV solar tracking system can be dual-axis sun tracking or single-axis sun solar tracking. It is known that a motorized positioning system in a photovoltaic panel tracker increase energy yield and ensures increased power output, even in a single axis solar tracking configuration. Other applications such as robotic solar tracker or robotic solar tracking system uses robotica with artificial intelligence in the control optimization of energy yield in solar harvesting through a robotic tracking system. Automatic positioning systems in solar tracking designs are also used in other free energy generators, such as concentrated solar thermal power CSP and dish Stirling systems. The sun tracking device in a solar collector in a solar concentrator or solar collector Such a performs on-axis solar tracking, a dual axis solar tracker assists to harness energy from the sun through an optical solar collector, which can be a parabolic mirror, parabolic reflector, Fresnel lens or mirror array/matrix. A parabolic dish or reflector is dynamically steered using a transmission system or solar tracking slew drive mean. In steering the dish to face the sun, the power dish actuator and actuation means in a parabolic dish system optically focusses the sun's energy on the focal point of a parabolic dish or solar concentrating means. A Stirling engine, solar heat pipe, thermosyphin, solar phase change material PCM receiver, or a fibre optic sunlight receiver means is located at the focal point of the solar concentrator. The dish Stirling engine configuration is referred to as a dish Stirling system or Stirling power generation system. Hybrid solar power systems (used in combination with biogas, biofuel, petrol, ethanol, diesel, natural gas or PNG) use a combination of power sources to harness and store solar energy in a storage medium. Any multitude of energy sources can be combined through the use of controllers and the energy stored in batteries, phase change material, thermal heat storage, and in cogeneration form converted to the required power using thermodynamic cycles (organic Rankin, Brayton cycle, micro turbine, Stirling) with an inverter and charge controller. Book and literature review is ideal for sun and moon tracking in solar applications for sun-rich countries such as the USA, Spain, Portugal, Mediterranean, Italy, Greece, Mexico, Portugal, China, India, Brazil, Chili, Argentina, South America, etc. 这本书详细介绍了全自动太阳能跟踪，太阳跟踪系统的出现，太阳能跟踪器和太阳跟踪系统。智能全自动太阳能跟踪器是定向向着太阳的有效载荷设备。这种可编程计算机的太阳能跟踪装置，包括太阳跟踪，太阳能跟踪系统，以及微控制器，微处理器和/或基于PC机的太阳跟踪控制，以定向太阳能反射器，太阳透镜，光电板或其他光学配置朝向太阳的原理。机动空间框架和运动系统，确保运动动力学和采用的驱动技术和传动原理引导光学配置，如曼金，抛物线，圆锥曲线，或卡塞格林式太阳能集热器面向太阳，不断跟随太阳运动的轮廓。 从阳光透过太阳能跟踪器或实用的太阳能跟踪系统利用电力，可再生能源控制的自动化系统需要自动太阳跟踪软件和太阳位置算法来实现控制与自动化架构，电路板和硬件的动态运动控制。上轴太阳跟踪系统，如高度，方位角双轴或多轴太阳跟踪系统使用太阳跟踪算法或光线追踪传感器或软件，以确保通过天空中太阳的通道被跟踪的高精度的自动太阳跟踪器的应用，通过正确的夏至，春分太阳和冬至。一种高精度太阳位置计算器或太阳位置算法是这样的自动太阳能跟踪系统的设计和施工中的重要一步。 从太阳跟踪软件的角度来看，十四行诗跟踪太阳有一个字面意义。在太阳跟踪和追踪的背景下，这本书解释说，在天空中太阳的日常路径是通过相对简单的原则导向的，如果掌握/了解的话，就比较容易追查以下软件，太阳有太阳。是太阳位置的计算机软件用于跟踪太阳作为开源代码，列出在这本书的来源。讽刺的是还出现了系统，称为太阳跟踪器，据说已经知道了追逐太阳全天太阳能定位系统。 В этой книге подробно Автоматическая Solar-Tracking, ВС-Tracking-Systems, Solar-трекеры и ВС Tracker Systems. Интеллектуальный автоматический солнечной слежения является устройством, которое ориентирует полезную нагрузку к солнцу. Такое программируемый компьютер на основе солнечной устройство слежения включает принципы солнечной слежения, солнечных систем слежения, а также микроконтроллер, микропроцессор и / или ПК на базе управления солнечной отслеживания ориентироваться солнечных отражателей, солнечные линзы, фотоэлектрические панели или другие оптические конфигурации к ВС Моторизованные космические кадры и кинематические системы обеспечения динамики движения и использовать приводной техники и готовится принципы, чтобы направить оптические конфигурации, такие как Манжен, параболических, конических или Кассегрена солнечных коллекторов энергии, чтобы лицом к солнцу и следовать за солнцем контур движения непрерывно. В обуздывать силу от солнца через солнечный трекер или практической солнечной системы слежения, системы возобновляемых контроля энергии автоматизации требуют автоматического солнечной отслеживания программного обеспечения и алгоритмов солнечные позиции для достижения динамического контроля движения с архитектуры автоматизации управления, печатных плат и аппаратных средств. На оси системы слежения ВС, таких как высота-азимут двойной оси или многоосевые солнечные системы трекер использовать алгоритм отслеживания солнце или трассировки лучей датчиков или программное обеспечение, чтобы обеспечить прохождение солнца по небу прослеживается с высокой точностью в автоматизированных приложений Солнечная Tracker , прямо через летнего солнцестояния, солнечного равноденствия и зимнего солнцестояния.Высокая точность позиции ВС калькулятор или положение солнца алгоритм это важный шаг в проектировании и строительстве автоматической системой солнечной слежения.
Author : Richard MacManus
Publisher : David Bateman Ltd
Page : 128 pages
File Size : 52,8 Mb
Release : 2024-05-17
Category : Electronic
ISBN : 9781775481294
Author : Various Authors
Publisher : Read Books Ltd
Page : 58 pages
File Size : 40,9 Mb
Release : 2016-08-26
Category : Nature
ISBN : 9781473357105
This book contains classic material dating back to the 1900s and before. The content has been carefully selected for its interest and relevance to a modern audience.
Author : Boyd Varty
Publisher : HarperCollins
Page : 163 pages
File Size : 41,8 Mb
Release : 2019-10-22
Category : Self-Help
ISBN : 9780358100492
Somewhere deep inside, you know what your gift, purpose, and mission are. Boyd Varty, a lion tracker and life coach, reveals how the wisdom from the ancient art of tracking can teach you how to recognize these essential ingredients in a meaningful life. Know how to navigate, don’t worry about the destination, and stay alert. These are just a few of the strategies that contribute to both successful lion tracking and a life of fulfillment. When we join Boyd Varty and his two friends tracking lions, we are immersed in the South African bush, and, although we learn some of the skills required for actual tracking, the takeaways are the strategies that can be applied to our everyday lives. Trackers learn how to use all of their senses to read the environment and enter into a state of “greater aliveness.” When we learn to find and follow our inner tracks, we learn to see what is deeply important to us. In the same way the trip in the classic Zen and the Art of Motorcycle Maintenance was a vehicle to examine how to live out our values, the story of this one-day adventure—with danger and suspense along the way—uses the ancient art of tracking to convey profound lessons on how to live a purposeful, meaningful life of greater harmony.
Author : Anonim
Publisher : New Holland Publishers (AU)
Page : 259 pages
File Size : 48,8 Mb
Release : 2024-05-17
Category : Electronic
ISBN : 9781921655654
Author : Jan Bourdeau Waboose
Publisher : Unknown
Page : 0 pages
File Size : 42,8 Mb
Release : 2023-04-27
Category : Juvenile Fiction
ISBN : 177177018X
Will and Tom speak in a whisper. "Uncle, tell us the story of the Windigo." The boys look behind them for something they can't see. When Uncle shares the story of the Windigo, the cousins get more than they expect. That night something strange scratches at the frost on their bedroom window. In the morning they find huge tracks in the snow. The Wandering Night Spirit of Winter! Tom and Will know what good Trackers would do, so they follow the trail deep into the forest. Then a strange cry slices the air. "Remember," Will whispers as they move forward. "Don't look into its eyes." Can you be a tracker too? Find the tracks hidden in the pictures.
Author : Robert D. Showman,B. F. Doolin,G. Michael Sullivan
Publisher : Unknown
Page : 74 pages
File Size : 53,8 Mb
Release : 1968
Category : Artificial satellites
ISBN : UIUC:30112106688093
Author : Alex van den Heever,Renias Mhlongo,Karel Benadie,Ian Thomas
Publisher : Penguin Random House South Africa
Page : 830 pages
File Size : 44,8 Mb
Release : 2024-03-01
Category : Nature
ISBN : 9781775847755
Featuring all-new spoor drawings, some 200 new photographs and an extra 35 species, this fully revised and updated edition of the ever-popular Tracker Manualis packed with the latest on the art of tracking. Based on information developed by some of southern Africa’s best traditional trackers, Tracker Manual gives even more guidance on how to identify the spoor of some 190 animal species. Individual chapters cover carnivores, large mammals, antelopes, small mammals, primates, hares and rodents, amphibians and reptiles, birds and insects. Each account contains: Simple, bulleted text on key points of each animal’s tracks. Clear, accurate track drawings. Numerous informative photographs, sometimes annotated. A list of similar tracks (where applicable), to avoid misidentification. An instructive introduction describes the science of tracking and outlines what to look for in the field, while a quick-reference table compares tracks that are easily confused. This detailed and richly illustrated manual to the region’s most common animal tracks and signs will prove invaluable in the field. Sales points: Presents the tracks and signs of over 190 different animals. Written and illustrated by experts in the field. Compact, portable and easy to use. Rich in visual detail. Useful instructive introduction to tracking.
Author : Jong-Il Park,Junmo Kim
Publisher : Springer
Page : 609 pages
File Size : 51,5 Mb
Release : 2013-03-27
Category : Computers
ISBN : 9783642374845
The two volume set, consisting of LNCS 7728 and 7729, contains the carefully reviewed and selected papers presented at the nine workshops that were held in conjunction with the 11th Asian Conference on Computer Vision, ACCV 2012, in Daejeon, South Korea, in November 2012. From a total of 310 papers submitted, 78 were selected for presentation. LNCS 7728 contains the papers selected for the International Workshop on Computer Vision with Local Binary Pattern Variants, the Workshop on Computational Photography and Low-Level Vision, the Workshop on Developer-Centered Computer Vision, and the Workshop on Background Models Challenge. LNCS 7729 contains the papers selected for the Workshop on e-Heritage, the Workshop on Color Depth Fusion in Computer Vision, the Workshop on Face Analysis, the Workshop on Detection and Tracking in Challenging Environments, and the International Workshop on Intelligent Mobile Vision.