5/29/2023 0 Comments Propresenter for mac os x 10.6.8The other big cat OSes under the OS X umbrella included 10.1 Puma, 10.2 Jaguar, 10.3 Panther, 10.4 Tiger, 10.5 Leopard, 10.6 Snow Leopard, 10.7 Lion and 10.8 Mountain Lion. Aqua had a design theme of being translucent with soft edges. In this update, Apple also introduced a new GUI, called Aqua. This version was the first of nine OS versions to be named after big cats, in this case, Cheetah. The next major release was Mac OS X - the letter "X" referred to 10 - which was released in March 2001. It also brought with it file encryption while also providing developers with several features that would be found in the next major release. The ninth version of Mac OS, Mac OS 9, was notable for improving support for AirPort wireless networking and better USB drivers. The first few versions of the OS had basic features, including multiple folders. Mac OS was focused on ease of use, popularizing the more intuitive GUI-based OSes used today. The OS was set up as a GUI, meaning users could navigate using a mouse to select icons and folders - as opposed to having to type commands and text prompts into directories, which Windows OS had at the time. MacOS was introduced in 1984 to run Apple's Macintosh computers. Recording Indicator is an added security feature that helps users see which apps have access to their Mac's microphone. Additional features include universal control, which enables users to use a single keyboard, mouse or trackpad between Mac and iPad devices. Other features recently added to the OS include focus modes, which enable users to customize what notifications they receive and at what times as well as Live Text, which lets users copy text that appears in photos. This means the allocation of resources is extremely efficient, as the applications are specifically optimized to run on macOS. They can also run Microsoft Office or even Windows on a Mac.Įach application comes installed with macOS and runs natively on the OS. Users can transfer Windows-based files and other data from a Windows PC to a Mac. Several assistive tools can help users with disabilities such as VoiceOver, Accessibility Keyboard and Text to Speech. Users can access and share their content with different devices. These help users find notes and other content using applications like Notes, Reminders, Calendar, Voice Memos and Contacts. Users can communicate with one another using text, visual and audio applications such as Mail, Messages and FaceTime. ![]() ![]() Individuals can use applications such as Pages, Numbers and Keynote to work with graphics tools. Applications such as Photos, GarageBand and iMovie enable users to view, edit and create media. Users can watch, listen and read content using applications like Music, TV, Podcasts, Books and Photos. MacOS offers numerous features and applications that enable different tasks for end users. Devices compatible with macOS 12 include the following: However, not all Apple desktops and laptops support the latest version of macOS. MacOS is supported on Apple's desktop and laptop computers.
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5/29/2023 0 Comments Abscissa definition chemistry![]() To reflect a graph across the x-axis, everything is multiplied by -1. This is inverse of stretching the graph in the y-axis. Larger values compress the graph and smaller values ( 0 < n < 1 0< n < 1) stretch the graph. To stretch a graph in the x-axis, we multiply only the x-values times a constant. This will cause the same vertical parabola to "close up." This will cause, for example, a vertical parabola to "open up." To compress a graph, we multiply the whole function times any number n such that 0 < n < 1 0< n < 1. To stretch a graph in the y-axis, we multiply the whole function times any number n such that n > 1 n>1 n > 1. To move a graph left, we add a positive value to the x-value. To move a graph right, we add a negative value to the x-value. To move a graph down, we add a negative value to the y-value. To move a graph up, we add a positive value to the y-value. Perhaps most common is keeping straight how some values are inverse, some seem backwards, and some are exactly as they appear. Cautionary talesÄ«esides the issue of putting in 0s in the single equation when unnecessary, other stumbling blocks to correctly graphing translations of functions are common. Y = f ( â 1 à x ) = f ( â x ) y=f(-1\times x)=f(-x) y = f ( â 1 à x ) = f ( â x ) shows we multiplied only the x-value times -1 this will reflect the graph across the y-axis, without changing y-values. Multiplying by 2 actually divides every x-value by 2 to produce the y-value. Y = f ( 2 x ) y=f(2x) y = f ( 2 x ) shows our x-value multiplied, which means we have scaled the original function horizontally, which shrinks the graph. Y = â 1 à f ( x ) = â f ( x ) y=-1\times f(x)=-f(x) y = â 1 à f ( x ) = â f ( x ) indicates we have multiplied everything by -1 this produces a reflection across the x-axis, without changing x-axis values. Y = 3 à f ( x ) y=3\times f(x) y = 3 à f ( x ) produces a change of scale, because the absolute value of 3 (the a value in our single equation) stretches the graph. Y = f ( x â 2 ) 3 y=f(x-2) 3 y = f ( x â 2 ) 3 gives us values for both c and d, so the translation moves 2 units right (negative c) and three units up (positive d). It shifts the entire graph up for positive values of d and down for negative values of d. Y = f ( x ) 2 y=f(x) 2 y = f ( x ) 2 produces a vertical translation, because the 2 is the d value. For horizontal shifts, positive c values shift the graph left and negative c values shift the graph right. Y = f ( x 2 ) y=f(x 2) y = f ( x 2 ) produces a horizontal shift to the left, because the 2 is the c value from our single equation. Y = f ( x ) y=f(x) y = f ( x ) produces no translation no values for a, b, c or d are shown. In order to translate any of the common graphed functions, you need to recall and be fluent with the seven common functions themselves, presented here alphabetically because they are all equally important:Ībsolute Value Function: y = ⣠x ⣠y=\left|x\right| y = ⣠x â£Ä¬ubic Function: y = x 3 y= 1)) 1 y = 0 ( â 1 ( x 3 1 )) 1 and looks like this:Ĭlearly this is an entirely different function, unrelated to your original cubic function. Knowing how to shift, scale or reflect these graphs makes you a stronger mathematics student and produces many variations on the original graphs of common functions. Shifting, scaling and reflecting are three methods of producing translations for basic graphing functions you have already learned. ![]() Reflection - A mirror image of the graph of a function is generated across either the x-axis or y-axis Scale - The size and shape of the graph of a function is changed Shift - The graph of a function retains its size and shape but moves (slides) to a new location on the coordinate grid Translations are performed in three ways: Then, using translations, you can move the point. Using the abscissa and ordinate, you can fix a point on the coordinate graph. This is the distance above or below the x-axis. Its partner is the ordinate, or y-coordinate. The abscissa is the x-coordinate, or the distance left or right from the y-axis that allows you to locate a point using a coordinate pair. 5/29/2023 0 Comments Email verifier professional![]() Checking DNSBLs and URI DNSBLs for blacklisting: A DNS-based blackhole list (DNSBL) or Real-time Blackhole List (RBL) is a list of IP addresses often used for spamming.Honeypot/ Spam Trap Detection: This detects spam seeds, BOTs, honeypots, blacklisted, or bogus email addresses by checking the addresses in the list against the known list of emails/domains, used for trapping spammers.These are temporarily created emails and used for signup forms or bypass login forms requiring a valid email address. Disposable Email Address (DEA) Detection: Throwaway/disposable emails, or “junk collector” emails, are detected and processed appropriately.This process detects and flags such addresses. Role-Based Account Detection: Email sends to role-based accounts such as, ,, , etc., can negatively impact your deliverability and even put you in denylist with some ISPs.If a domain is found to be invalid, or an MX entry is missing, this process marks the corresponding email address as invalid. Domain/MX Records Check: This verifies the DNS entries of an email address.Email Address Syntax Check: This removes improperly formatted email addresses, according to IETF standards.The legitimacy of an email address can be measured through a combination of validation techniques and – depending on the internal database – proprietary algorithms.Īt the end of the email validation process, any invalid addresses will be filtered out, leaving a clean, fully deliverable email list ready for marketing and business requirements. How Does Email Address Verification Work? ![]() What's New in Version 6.Your browser does not support HTML5 video. Keywords: verify email address, verify email, email verification, valid email address, email verifier, validate email address, email validation. The tool verifies every email address from a selected database or text file, allowing you to determine up to 90% of "dead" email addresses.Įmail Verifier has fast and robust multi-threaded engine, connects directly to the SMTP server of the recipient and validates the email address without actually sending any mail. Move /remove email addresses with specified statusĮmail Verifier is designed for users who have their own mailing lists and want to keep them up-to-date. Remove from first list addresses contained in second List Imports email addresses from External Sources through ODBC/OLEDB: Access, MS SQL, Oracle, MySQL, Dbase, Foxpro, Paradox.Įxports to Excel, Text, External Sources through ODBC/OLEDB: Access, MS SQL, Oracle, MySQL, Dbase, Foxpro, Paradox.Ĭreates a detailed log for every operationĮmail Verifier Professional have powerful contact lists Operations:Įxtract email addresses from specified domain Imports email addresses from Microsoft Outlook, Windows Address Book, Excel, CSV, Text Validates 50 000 email addresses per hourĬontact Lists up to 500 000 email addresses Email Verfier supports all popular file formats. The tool verifies every email address from a selected database or text file, allowing you to determine up to 90% of "dead" email addresses. Email Verifier is designed for users who have their own mailing lists and want to keep them up-to-date. ![]() Email Verfier removes invalid, not existed and dupicate emails. ![]() Email Verifier Professional quickly and easily verifies email addresses. 5/29/2023 0 Comments Radiant energy![]() Radiant energy and its behaviors have been harnessed in many inventions from the light bulb to the large hadron collider. Nuclear power plants use radiation to boil water driving steam turbines. Naturally occurring sources of radiant energy such as the sun can be converted into usable electricity with solar power or used as passive solar. Radiant energy, also known as electromagnetic radiation (EMR), is energy transmitted without the movement of mass.Practically speaking, this is the energy found in electromagnetic waves, also known as light.Light is made of individual particles called photons, each carrying a small 'packet' of energy. This effect is the result of more photons are radiating off in all directions. One can see this in effect with the turning up of a dimmer switch: As the power is increased, more light is emitted from the bulb, be it LED or incandescent. As the source material is excited, the radiation of energy is increased. Types of radiation with higher frequency are higher energy. Radiant energy is not the photon itself, for example, but one can see the energy as light and feel it as heat as the photons it is associated with arrive on your skin. Often, radiant energy is used to describe the type of particle in question, but it is actually the energy carried by the particle. ![]() Radiant energy sources include the entire electromagnetic radiation spectrum, including gamma rays, x-rays, radio frequencies, microwaves, light and heat. June 1992.Radiant energy is the physical energy resulting from electromagnetic radiation, usually observed as it radiates from a source into the surrounding environment. Department of Energy, THERMODYNAMICS, HEAT TRANSFER, AND FLUID FLOW. DOE Fundamentals Handbook, Volume 1, 2 and 3. Fundamentals of Engineering Thermodynamics, Fifth Edition, John Wiley & Sons, 2006, ISBN: 978-7-0 Thermodynamics in Nuclear Power Plant Systems. Nuclear Systems Volume I: Thermal Hydraulic Fundamentals, Second Edition. Nuclear Reactor Engineering: Reactor Systems Engineering, Springer 4th edition, 1994, ISBN: 978-0412985317 Stacey, Nuclear Reactor Physics, John Wiley & Sons, 2001, ISBN: 0- 471-39127-1. Baratta, Introduction to Nuclear Engineering, 3d ed., Prentice-Hall, 2001, ISBN: 8-1. Lamarsh, Introduction to Nuclear Reactor Theory, 2nd ed., Addison-Wesley, Reading, MA (1983). The area factor A 1-2, is the area viewed by body 2 of body 1, and can become fairly difficult to calculate. The net flow rate of heat between them is given by: Two bodies that radiate toward each other have a net heat flux between them. Radiant energy is the physical energy resulting from electromagnetic radiation, usually observed as it radiates from a source into the surrounding environment. It can be seen, radiation heat transfer is important at very high temperatures and in a vacuum. By definition, a black body in thermal equilibrium has an emissivity of ε = 1.0. The emissivity, ε, of the surface of a material is its effectiveness in emitting energy as thermal radiation and varies between 0.0 and 1.0. This relationship is called the Stefan–Boltzmann law. Where σ is a fundamental physical constant called the Stefan–Boltzmann constant, which is equal to 5.6697×10 -8 W/m 2K 4. a black body) to its surroundings is proportional to the fourth power of the absolute temperature and can be expressed by the following equation: Radiant heat transfer rate from a body (e.g. Most energy of this type is in the infra-red region of the electromagnetic spectrum although some of it is in the visible region. Any material that has a temperature above absolute zero gives off some radiant energy. It does not need a medium, such as air or metal, to take place. Radiant heat transfer is very important in power industry, because it is one of the most important ways, how thermal energy can be transferred. ![]() The quantity of radiant energy may be calculated by integrating radiant flux with respect to time. The term “ radiant energy” is most commonly used in the fields of radiometry, solar energy, heating and lighting. In physics, radiant energy is the energy of electromagnetic and gravitational radiation. In its core, the Sun fuses 620 million metric tons of hydrogen each second. Radiant Energy The Sun generates its energy by nuclear fusion of hydrogen nuclei into helium. 5/29/2023 0 Comments Frog dissection video![]() If the student clicks on the right spot, theyĪre told so. ![]() "practice" where students test what they've learned by clicking on image maps of frogs. Each lesson is followed by an interactive From initial incisions to internal organs, users are shown how to dissect a frog. The Interactive Frog Dissection, designed for use by high school biology students, is a "virtual" hands-on Students can easily navigate and learn and not even think twice about the page setup, which is an optimum environment. This site is impeccably organized and easy to follow. ![]() ![]() The imagery is simple and easy to follow, and the nature of this site makes it (understandable graphics intensive. The descriptions are not lengthy, however. This article was published on April 9, 2020, at Britannica’s, a nonpartisan issue-information source.What a great concept, and a great way for students to learn.
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