aluminum shavings

the category of mobile phone industry design, whether a mobile phone can become the best-selling products, mobile phone industrial design is particularly important!2.MD (mechanicaldesign) structure designMobile phone's front shell, rear shell, mobile phone camera lens position selection, fixed way, battery how to connect, the thickness of the cell phone. If it is a sliding mobile phone, how to let the mobile phone slide up, how to achieve the automatic upward bounce, SIM card how to plug and pu

. If the cable is laid in the Box Girder of the bridge, in this case, the cable laying on the bridge will be affected by the scaling and vibration of the bridge, thus accelerating the damage of the Metal Jacket of the cable.Corresponding countermeasures should be taken for the above hazards from the cable and accessories design, production, cable line design, construction and other aspects.(1) cables and accessories. To reduce the thermal scaling of Large-section cables, split wires should be us

board base plate rubbing processing5, Gypsum line 14.00m13.00182.00 Gypsum line6, Wu Mouth set 6.25m135.00843.75 large-core board base-level decoration panel color processing width 710mm7, Door 1.00 dooréì 1280.001280.00 finished wood composite DoorSubtotal: 6654.85Three, bedroom1, the top surface emulsion paint 8.38m227.00226.26 Original Wall Brush interface agent, full scraping putty two times, any coins once polished, brush China resources latex paint (including shovel peeling)2, wall paint

Gypsum line6, Wu Mouth set 6.25m135.00843.75 large-core board base-level decoration panel color processing width 710mm7, Door 1.00 dooréì 1280.001280.00 finished wood composite DoorSubtotal: 6654.85Three, bedroom1, the top surface emulsion paint 8.38m227.00226.26 Original Wall Brush interface agent, full scraping putty two times, any coins once polished, brush China resources latex paint. (with shovel peeling)2, wall paint 31.00m226.00806.00 original Wall Brush interface agent, full scraping pu

capacity of the capacitor is large, but the loss and temperature coefficient are large. It is suitable for low frequency circuits. Film CapacitorThe structure is the same as the paper medium capacitor. The medium is polyester or polystyrene. Polyester Film Capacitor, high dielectric constant, small size, large capacity, good stability, suitable for bypass capacitor.Polystyrene film capacitor, low dielectric loss, high insulation resistance, but high temperature coefficient, can be used in

Materials Used for home decoration ceilings (favorites) With the improvement of people's living standard, people's requirements for ceiling quality and fashion are also getting higher and higher, from the initial simple ceiling to plasterboard, to today's PVC board, mineral wool Board, aluminum smallpox, etc, various household decoration ceiling materials began to appear. The ceiling is a part of home decoration, and the style of the ceiling will dire

: ABS engineering plastics are PC + ABS (engineering plastic alloys). The Chinese name of ABS engineering plastics is plastic alloys. ABS engineering plastics may be the most commonly used and commonly used in laptops. They can be found in almost every notebook: some are used in the whole shell, some are only used in the top cover and other parts of the screen. It has the advantages of convenient maintenance, low cost, moderate heat dissipation, poor radiation protection, unsatisfactory intensit

a rare and precious metal. It is mostly used in special steel and gold, such as hot and strong steel and magnetic materials. 14. copper (Cu): the steel produced by the ore of WISCO, often containing copper. Copper improves strength and toughness, especially atmospheric corrosion. The disadvantage is that it is prone to thermal brittleness during hot processing, and the copper content is significantly reduced by over 0.5% plasticity. When the copper content is less than 0.50%, welding is not aff

main component of the sand on the beach is silicon dioxide, and the silicon material used to produce the CPU is actually extracted from the sand. Of course, some other materials need to be used in the CPU manufacturing process, that is why we don't see intel or AMD just pull tons of sand to their manufacturing plants. At the same time, the manufacturing CPU has a high requirement on the purity of Silicon Materials. Although it comes from cheap sand, but due to the complexity of the material pur

Apple Tablet PC recommended one: IPad Pro Reference price: from 5000 yuan Recommended reasons: Optional keyboard and stylus, dual-frequency WiFi, fingerprint identification, high-performance IPad Pro is Apple's September iphone 6s launch of the new generation of large-screen tablet computer, the use of aluminum-magnesium alloy metal body, the fuselage thickness of only 6.9mm, fuselage weight 713g, with silver, gold, deep air gray Three colors of the b

step in the process:• Flow Solver-filling process simulation, including semi-solid materials, EPC process and centrifugal casting;• Heat transfer solver-solidification and shrinkage trend prediction, including radiation options;• Stress Solver-thermal stress and deformation.• In addition, the advanced special metallographic options can predict:• porosity and microscopic shrinkage;• Microstructure of iron-carbon alloy• Grain structure.· Procast A total of nine modules, the following respectively

MacBook Pro, and became a hallmark of the "rationalism" period. The same year also released the first generation of the ipod, its design, is "Titanium book" style continues to sublimate, the same metal shell, more concise lines, more heavy appearance, the plane with rounded corners of the perfect combination. Its appearance shows that Apple's design style has completed a successful transformation process, "rationalism" has slowly penetrated into the design of various products. Rationalism Per

The following is a small series for everyone to collect the "polar route how to prevent others to steal wireless network" All content, if you like the recommendations of small series, please continue to pay attention to learning. To prevent others from stealing your wireless network, we recommend that you set a high security level encryption method: WPA-PSK/WPA2-PSK security type, effectively prevent rubbing nets. Pole routing to the user demand for the design concept, hardware parts using hi

molecular direction, the dielectric materials will be due to dielectric loss and fever. High-frequency currents flow to a heating coil (usually controlled by copper) that is wound into a ring or other shape. A strong magnetic beam that produces a momentary change in polarity in the online circle, the metal and other heated matter placed in the online circle, the magnetic beam will be through the whole of the heated matter, in the heated matter in the opposite direction of heating current produc

there is no control over the source code, there is another way to consider: placing the Addtobin () method inside an interface, keeping the trash unchanged, and inheriting the new, special type Aluminum,paper,glass and cardboard. We are prepared to take the latter approach here.Most of the classes used in this design must be set to public (common) properties, so they are placed in their own classes. The interface code is listed below: : Typed

complex the model and specification, the higher the repeatability. 1. Pull In metal pressure processing. the metal is forced by external force through the mold (wheel), the metal cross-sectional area is compressed, and the required cross-sectional area shape and size of the technical processing method is called metal pull. Pull process: single-wire pull and twisted pull. 2. Twisted In order to improve the flexibility and overall degree of wire and cable, more than two single lines are intertwin

the screw column also needs to be reinforced to clamp the motherboard, so that the structure is reliable. 3. layout of the master button 4. fixed structure of five gold slices decorated with Upper Shell The upper shell decoration five gold pieces are generally made of stainless steel or aluminum, thickness 4mm or 0.5mm, with thermal adhesive, double sided tape or buckle position fixed, the surface can be brushed, electroplating and laser engraving. t

dielectric capacitance are basically the same. It is on the capacitor paper coated with a layer of metal film to replace the metal foil, small size, large capacity, generally used in low-frequency circuits. Oil impregnated paper dielectric capacitance It is the paper dielectric capacitance immersed in the specially treated oil, can enhance its pressure resistance. It is characterized by large capacitance, high pressure, but larger volume.

. Conversely, the lower the IQ.21, drinking acidic water quality of the elderly why prone to dementia?A: Alzheimer's is associated with aluminum, which is usually insoluble in water and does not cause people to enter the body through drinking water. However, in acidic water quality, aluminum is "activated" and is soluble, aluminum with acidic water to enter the b

board interface ("Golden finger", as shown in the front of the picture); Generally used on the cob (Chip on Board) above the aluminum line, or the touch surface of the mobile phone key, is used in a large number of the two sides of the BGA board. To understand the hard gold and soft gold, it is better to first understand the process of the electricity plated. Let's not talk about the pickling process ahead, the purpose of the plated i