Дмитрий Коваль
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ystemwor ystemwor: новый статус 2 года, 4 месяца назад
An LED light or LED light bulb is an electric light that produces light using light-emitting diodes (LEDs). LED lamps are significantly more energy-efficient than equivalent incandescent lamps and can be significantly more efficient than most fluorescent lamps. The most efficient commercially available LED lamps have efficiencies of 200 lumens per…[Читать далее]
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ystemwor ystemwor: новый статус 2 года, 4 месяца назад
Stationery box, a box that students use to store pens, pencils, rulers, erasers and other stationery. There are many types of textures, generally wood, iron, plastic and other products, with different shapes, mostly cuboid.
Iron stationery boxes generally do not have too fancy patterns on them. Compared with wooden and plastic stationery boxes,…[Читать далее]0 -
ystemwor ystemwor: новый статус 2 года, 4 месяца назад
Eye shadow (or eyeshadow) is a cosmetic applied primarily to the eyelids to make the wearer’s eyes stand out or look more attractive. Eye shadow can also be applied under eyes ,cheeks or to brow bones. Eye shadow can add depth and dimension to one’s eyes, complement one’s eye color, make one’s eyes appear larger, or simply draw attention to the…[Читать далее]
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ystemwor ystemwor: теперь зарегистрированный пользователь 2 года, 4 месяца назад
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fehkywor fehkywor: новый статус 2 года, 4 месяца назад
Conveyors are material handling systems that allow for easy transporting of products, from powder to bulk to complicated geometries. They are integral to all kinds of systems, as they provide a fast and safe method of handling large volumes of materials. There are many kinds of conveyors, but their working principle remains constant across each…[Читать далее]
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fehkywor fehkywor: новый статус 2 года, 4 месяца назад
Nowadays, there are many kinds of knitting machines existing in the market. The most common one is sweater knitting machine.
Sweater knitting machine also referred to as flat bed or v-bed knitting machine. That have two rib gated, diagonally-approaching needle beds, set at between 90 and 104 degrees to each other and are positioned so that the…[Читать далее]
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fehkywor fehkywor: новый статус 2 года, 4 месяца назад
What is Energy Storage Systems?
Energy Storage Systems are the set of methods and technologies used to store energy. The stored energy can be drawn upon at a later time to perform useful operation.For instance, many renewable energy sources (such as wind, solar energy or solar energy, tides) are intermittent. Sometimes the use of renewable…[Читать далее]
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fehkywor fehkywor: новый статус 2 года, 4 месяца назад
Metal honeycomb substrates used in catalytic converters are made from extremely thin metal foil, typically with a thickness of just 0.05mm. By comparison the walls of a ceramic substrate may be four times thicker. For this reason, metal substrates offer less resistance to gas flow and therefore can accommodate a given flow rate with a lower…[Читать далее]
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fehkywor fehkywor: новый статус 2 года, 4 месяца назад
For a SBR Rail and Block or a TBR Rail and Block, there are many linear materials may be needed. Linear bearings are definitely one of them.
Linear bearings generally use a pad, bushing, or roller system to carry a load on a rail that need not be a straight line. The rail can be most any length, although that dimension is limited by the…[Читать далее]
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fehkywor fehkywor: новый статус 2 года, 4 месяца назад
A cartooning machine, sometimes called a cartoner for short, is a type of packaging machine. Its sole purpose is to form cartons. Have you ever seen a milk carton? If you look at the average milk carton in the grocery store, a cartooning machine probably made it. A cartooning machine forms cartons that stand up straight, close, are folded,…[Читать далее]
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fehkywor fehkywor: новый статус 2 года, 4 месяца назад
There are two primary varieties of fan, axial fans and centrifugal fans. Pelonis Technologies, Inc. (PTI), a global leader in fan technology for more than 25 years, manufactures both axial and centrifugal fans. The design and function of a centrifugal fan is very different from those of an axial fan. Their differences make them each suited for…[Читать далее]
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fehkywor fehkywor: новый статус 2 года, 4 месяца назад
Slewing Bearings, or turntable bearings, are ball or roller style bearings composed of two concentric rings either of which may include a gear. This type of bearing enhances load support and power transmission in all directions, and is typically employed to support heavy loads for slow applications and large equipment such as earth excavators and…[Читать далее]
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fehkywor fehkywor: новый статус 2 года, 4 месяца назад
Nowadays, PPR is the most commonly used material for pipes and fittings. PPR is a random copolymer polypropylene. In winter, the flexibility of PPR water pipes will decrease, while the rigidity will increase and flatten. If the pipe is impacted by an external force, the surface of the pipe will crack more seriously.
Therefore, PPR Pipe…[Читать далее]
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fehkywor fehkywor: новый статус 2 года, 4 месяца назад
A Backup Battery Unit, or uninterruptible power supply (UPS), is primarily used to provide a backup power source to important desktop computer hardware components. In most cases, those pieces of hardware include the main computer housing and the monitor, but other devices can be plugged into a UPS for backup power, depending on the size of the…[Читать далее]
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fehkywor fehkywor: теперь зарегистрированный пользователь 2 года, 4 месяца назад
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ramatwor ramatwor: новый статус 2 года, 4 месяца назад
In ancient times, The man started using ox and cows for farming. Later machinery and more advanced types of machinery took their place, and the tractor is one of them. The tractors are integral Farm Implements that mechanizes farming tasks like planting, tillage, plowing, etc.
What is Tractor
A tractor is a vehicle specially manufactured to…[Читать далее]
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ramatwor ramatwor: новый статус 2 года, 4 месяца назад
Punching machines are developed for high flexibility and efficient metal processing. Normally, the punching equipment consists of two pieces of tool: one for the punches and another for the dies.
What is the punching machine?
These machines are usually equipped with a linear matrix carrier (tool holders) and quick change tools. The numerical…[Читать далее]
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ramatwor ramatwor: новый статус 2 года, 4 месяца назад
Passive optical networks are characterized by the «splitting» of the optical fiber one or more times in the field, resulting in the sharing of the optical fiber amongst multiple users. The fiber in a PON is typically shared with 16 to 32 users. Hence the bandwidth of the fiber originating at the CO/HE is shared among a group of users. The…[Читать далее]
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ramatwor ramatwor: новый статус 2 года, 4 месяца назад
An integrated circuit (IC), sometimes called a Chip, microchip or microelectronic circuit, is a semiconductor wafer on which thousands or millions of tiny resistors, capacitors, diodes and transistors are fabricated. An IC can function as an amplifier, oscillator, timer, counter, logic gate, computer memory, microcontroller or…[Читать далее]
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ramatwor ramatwor: новый статус 2 года, 4 месяца назад
With the development of the modern technology and medicine, many advanced equipments came into being. ERCP Instruments are one of them.
Endoscopic retrograde cholangiopancreatography (ERCP) is a combined endoscopic and fluoroscopic procedure in which an upper endoscope is led into a second part of the duodenum, making it possible for passage of…[Читать далее]
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