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Users in the use of the computer, found that just turned on the computer, the display screen is very large, and then slowly in a few seconds to reduce to normal conditions. This happens to be normal, which represents the good quality of the display. This phenomenon is due to the beginning of the power tube, the deflection yoke beam intensity is larger, in order to avoid the intensity of the electron beam on the boot of a silver screen in a mom

What is the screen refresh rate of the computer screen refresh rate set how much appropriate? For screen refresh rate may be a lot of friends know less, often easy to screen refresh rate and screen resolution of the two different concepts to confuse. In response to this problem, we first to introduce what is the screen refresh rate, and then for you to introduce the screen refresh rate how much appropriate. What is screen refresh rate: Screen refresh frequency: For CRT monitors, the screen gra

converter to the VGA drive voltage, VGA drive voltage transmission to the CRT after amplification to the electron gun high-speed electronic flow, electron flow bombardment screen phosphor luminescence and display image. Because the RAMDAC is integrated into the display chip, the different manufacturers display the chip design, so the display effect is also difference. An important part of the effect of the

Open Source Cross-platform efficiency software CerebroOpen source cross-platform efficiency software Cerebro Main features feature display ? application and file search based on Electron, what can I see from the plug-in development? Plugins show some of the plugins we write Cerebro-torrent cerebro-codelf Epilogue There are many beautifully crafted third-party software under the Mac, including the famous efficiency artifact Alfred. But can only be used

the color display will have a back sweep line), but the blink of an effort on the normal; 2, in the use of occasional screen redness phenomenon, but also blink of a normal; 3, the entire screen is white red and with a very heavy back sweep line and immediately protective shutdown (or black screen and can not be turned on). Fault point of misunderstanding: for this type of failure many people are said to be a video card hardware failure, but also some people say that the picture tube is

People in the carpet or sofa stand up, the human body voltage can be as high as 10,000 volts, and the rubber and plastic film industry electrostatic can be as high as more than 100,000 volts. So, why is the voltage of static electricity so high? The following author from the electrostatic generation principle began to analyze. A The principle of electrostatic generation The process of electrostatic generation is actually the process of the electric friction, and the friction does not create the

the phase information. Phase information records the distance between the object and the viewing angle of view, motion trajectory, spatial relationship and other information, if this part of the information can also be retained through technology, then the relative gain of the object "all information"-that is, the so-called "holographic." The static or dynamic image obtained in this way is not 2D but 3D. The most widespread application of holographic technology is holographic projection. In gen

are in parallel, they should be processed on the admittance map, with the following steps: A. If the previous treatment is carried out in the impedance diagram, then the previous processing of the impedance point to the origin of the center of the symmetry point, so that the previous treatment of the corresponding admittance point, if the previous treatment is completed in the admittance map, then ignore this step; B1. The corresponding conductivity circle along the admittance point is added to

1. Atomic Nature(1) The Atom is the basic unit of the constituent matter (of course, electron, etc.), so the meaning of the atom represents-"not divided";(2) Atomicity is the rejection of multi-threaded operation, whether multicore or single-core, with atomic quantity, at the same time only one thread to operate it. In short, operations that are not interrupted by the thread scheduler during the entire operation can be considered atomic. For example,

Wiltschko from Google Brain and others].Https://github.com/google/tangentNo 25:clairvoyantA Python program that identifies and monitors historical clues for short-term inventory movement [Github 1159 stars, provided by Anthony Federico].Https://github.com/anfederico/ClairvoyantNo 26:monkeytypeThis project is a Python-based tool for Instagram, which collects runtime types to generate static type annotations. [Github 1137 stars, provided by Instagram engineer Carl Meyer].Https://github.com/Instag

software a color mode, in this mode, processing the image is more convenient, and, RGB stored images than CMYK images to small, can save memory and space. CMYK mode is a pigment mode, so it belongs to the printing mode, but in essence, there is no difference with RGB mode, but the way of producing color is different. RGB is the additive blending mode, and CMYK is the subtraction process color mode. For example, the display uses RGB mode because the display is an

required for 4K products? For 4K resolution, it has only horizontal pixel value and vertical pixel value of two attributes, but for the 4K TV and 4K display products, in addition to the resolution to meet the standard, the level of refresh rate can not be ignored. Refresh rate refers to the screen image of the update rate, the previous CRT monitors rely on electronic excitation screen phosphor display image, but because the same time only one pixel is lit, to display a complete image, the moni

University, China 162.105.202.000~162.105.202.255 China Peking University Jade Bird Company 162.105.201.000~162.105.201.255 Microelectronics Institute of Peking University, China 162.105.199.000~162.105.199.255 Electron microscope , Peking University, China 162.105.195.000~162.105.195.255, Department of Mechanics, Peking University, China 162.105.194.000~162.105.194.255 Marxist-Leninist College of Peking University, China 162.105.193.000~1

The liquid crystal display has radiation, but it is very low. The principle of radiation is that the current generates a magnetic field to generate an electric field and then generate a magnetic field, so that the infinite cycle of its source is the current so as long as there is radiation, but there is no ordinary display LCD display high-voltage coil, so the radiation is very low. LCD Bi Chunping Monitor is much smaller. Because it has no high-voltage circuit, no need for high-speed

by the electromagnetic work, time is long, may appear color, show confusion and so on. Therefore, the use of the display should be placed in the distance from other electromagnetic fields, regular (such as one months, etc.) using the degaussing button on the monitor degaussing, but do not pay attention to the use of a repeated, this will damage the display. 3, to avoid CRT display work in a high temperature state CRT's picture tube as a large heat source of the display, in too high ambient te

Because the display is mainly for people with eyes, and eye vision has a direct correlation with the test project, is the main way to select a monitor. I think the only requirement for the monitor is to look at the eyes not tired, comfortable, so I locked the target in with the eyes have a direct effect on the performance. The direct function of the eyes of the display performance, the monitor is the most important menu performance. 1. Focus Focusing ability is the indicator of the display, wh

power of the larger household appliances, the display will also be affected by the working state, which is prone to color-red phenomenon; The third is that the display has been used for a long time, some parts of the interior have been aging or damaged, For example, if the display inside the electron gun aging, or the internal degaussing line is damaged, the monitor can not be in normal working condition; The four is the monitor and the display card

only go to the display after the cover, reseat the interface of the board, the most taboo is to open the LCD panel. Because the assembly of the LCD panel is carried out in the dust-free environment, open not only may let inside into the dust, affect the display effect, may even display directly scrapped. 　Four, do not use screen saver In the CRT era, many people like to use screen saver, because this can avoid the electron beam long-term bombardmen

-threaded, event-driven, non-blocking I/O model, NodeJs is inherently well-suited for high-performance network requests, intensive IO applications, and opens up full stack doors for front-end developers Node also provides a basic environment for front-end development tools, so that the front-end truly into the engineering era. .... What can Node do? High-Performance Web server Real-time multi-player background server Easy-to-use naming of line applications Gulp,

normal 5cm, to ensure the ability to shoot the macro. Canon G1X Mark II is equipped with a highly sensitive 1.5 "CMOS image sensor (about 18.7x12.5mm) near the SLR camera aps-c size, which means that more light signals can be captured and better signal-to-noise ratio is achieved." The Canon G1X Mark II CMOS uses the chip internal noise elimination technology, may eliminate the fixed type noise point, simultaneously unifies in the pixel point to use the entire