Mobile phone battery charging techniques

If the user wishes to extend battery use time, in addition to the quality of the charger should have to guarantee the proper charging techniques is also essential, because the poor quality of the charger or charging the wrong methods will affect battery operating time and cycle life Here is the author sorted out the charging techniques:

A. Battery before leaving the factory, the manufacturers are the activation, and pre-charge the batteries have more than electricity, a friend said rechargeable battery in accordance with the time of the adjustment period, the standby is still a serious shortage, assuming the battery is indeed the genuine battery, in which case adjustment period should be extended and then fully charge and discharge of 3 to 5 times.

Two. If you buy a new phone battery is a lithium-ion, then the first 3 to 5 times the charge commonly referred to as the adjustment period, and should charge more than 14 hours to fully activate the activity of the lithium-ion. The lithium-ion batteries have no memory effect, but there is a strong inert, should be given to fully activate in order to ensure future use for optimal performance.

3. Some automated intelligent rapid charger when the lights change, saying only that the full 90%. The charger will automatically change to trickle charge the battery is full. The best battery is full, otherwise it will shorten the time. 4. Before charging, lithium batteries do not need special discharge, discharge improper battery will be damaged. Try to enrich my knowledge in order to slow charging to reduce the fast charge mode; time not more than 24 hours. Battery after 3-5 complete charge and discharge cycles of its internal chemical substance will be all the "activation" to achieve the best results.

5 Use the original or reputation of a good brand chargers, lithium batteries use lithium battery charger, and follow the instructions, otherwise it will damage the battery, or even dangerous.

6. Many users are often in charge when the phone open, Actually, this can easily damage a mobile life, because in the process of charging the phone's circuit board may have a fever, then outside phone, you may produce an instant return current on the phone's internal parts damage.

7. The battery life of repeated charge and discharge cycles, it should try to avoid charging when the battery is more than power, it will shorten the battery life. Phone is switched off for more than 7 days, the first mobile phone battery is fully discharged and fully charged before use.

8. Mobile phone battery self-discharge Ni-MH battery when not in use every day by about 1% of the remaining capacity of the discharge, lithium daily discharge of 0.2% to 0.3%. To charge the battery, try to use a special socket, do not share the outlet of the charger and the TV and other home appliances.

9. Although mobile phones within the network coverage area, but the phone off when charging, the phone has been unable to accept and make calls. At this point, you can use the phone did not pass transfer function, the phone is moved to the side of the fixed telephone in order to prevent the loss of calls, this phone is not network coverage within the region or the signal is weak and can not be connected when applicable. 10. Do not expose the battery in hot or cold, such as dog day weather, should not be on the phone in the car, to withstand the scorching sun exposure; or get air-conditioned rooms, on the air-conditioning blowing straight. When charging, the battery a little heat is normal, but you can not make it to weather the high-temperature "suffering". To avoid this from happening, it is best at room temperature for charging, and do not cover anything on the phone.

11. Nickel-cadmium (n icd) before the battery charge must ensure that the battery is completely discharged, recharge must ensure that the battery is fully charged.

 12. If the cell phone battery to place too long without use, it is best to phone maintenance departments to apply to the batteries for a living, you can also use a DC barostat, adjust voltage is 5 ~ 6v current 500 ~ 600ma reverse battery connection . Note that the liberalization of touch up to be repeated three times, after such treatment, then the original charger to charge "adjustment period".

13. Not time as long as possible while charging the battery protection circuit is full shall be made to stop charging, otherwise the battery performance due to heat or overheating.

14. The lithium-ion batteries must use a dedicated charger, or it may not reach saturation, impact on its performance. After charging, should be avoided placed in the charger over 12 hours when unused for long periods of separation of cells and cell phone


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Ancient Egyptian jewelry and culture

 The relics of the ancient Egyptian civilization difficult to see that the use of a wide range of jewelry. All sectors of society, to Pharaoh, and down to the civilians living and the dead, everyone is wearing jewelry, and even the animal is no exception. Ancient Egyptian pharaohs, nobles jewelry and more made of precious metals and semi-precious stones, both popular accessories materials. Precious metals refers to an alloy of gold and silver, because of Egypt's domestic gold-rich, while the silver is very rare, and the gold and silver alloys are more durable; semi-precious stones are a variety of colors spot a false charge of ore from between the stones and stone, such as green feldspar, turquoise, malachite, garnet, chalcedony, lapis lazuli. Ordinary people are wearing jewelry is generally made with glazes, usually quartz sand for the blank, and then decorated with painted stones on glassy alkaline glaze, glaze made of.

Making jewelry materials in ancient Egypt more than imitation of natural colors, whichever contains the symbolic meaning. Gold is the color of the sun, the sun is the source of life; silver on behalf of the moon, and also to create the statue of bone material; the celestite seem to protect the world's deep blue night sky, this material is transported from Afghanistan; from the Sinai Peninsula and the Green turquoise and malachite, a symbol of the Nile to bring the water of life can also be used feldspar of the Libyan desert, and even green glaze; to dark green jasper, like the color of fresh vegetables produced by the Nile east of the desert, on behalf of regeneration; carnelian and red jasper color like blood, a symbol of life.

Main categories of the ancient Egyptian jewelry, pendant, earrings, crowns, bracelets, bracelets, rings, belts, amulets and ornaments balance pendant, etc., exquisitely decorated complex, with a specific meaning. A twelfth dynasty (about BC 1900-1800) of the belt of shells, amulets and beaded materials include natural silver gold, silver, carnelian, amethyst, lapis lazuli, feldspar and glass, etc.. Shell hollow made from gold, silver, ancient Egyptians believed that the shell and the shape of the female genital, may play a protective role. Two hollow talisman made of natural silver gold, on behalf of a bunch of inherit the throne of the hair. Two fish-shaped amulets, to pray for the wearer from being flooded. God a He knelt people like longevity, he is usually holding a palm branch. The rest are round beads, hollow silver Kim Son, and carnelian, amethyst, lapis lazuli, green stone beads made. This belt embodies the ancient Egyptians, precious metals and colorful semi-precious stones series hobbies, represents a high degree of achievement of the craft of jewelry accessories. Balanced pendant pendant when the chest to wear ornaments too heavy to balance the weight of the pendant, often wear in the middle behind the two shoulder blades. Balance pendant shaped like a pendulum, and the pendant with the original priestess who worshiped the sky god Hathor's special, and later to all the noble women wear it to show respect for God. The pendant symbolizes after death, rebirth and the number of children, while the balance pendant wear child behind the meaning of the blessing.

Of course, represent the highest achievements of Ancient Egyptian Jewelry is the jewelry of the Pharaoh. The pharaoh tomb had buried a large number of exquisite and incomparable treasure jewelry, but after years of excavation, most of them have been depleted. The most famous jewelry in the tomb of one of the few not the excavation of the Pharaoh, the 18th Dynasty pharaoh Tutankhamen tomb. In addition to the above kind, the ancient Egyptian statues, jewelry worn by the figures on the reliefs and drawings, with its vivid characterization, we show the brilliant achievements of this ancient civilization on the Craft.


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OPP protective film material is ...

   Use can be divided into:
A protective film of digital products, automotive protective film, home protection film, food preservation, protection film. However, the the popularity of of With the digital products of mobile phones and other in China, the protective film have already slowly become the the of the one kinds collectively referred to of the screen protective film, while the its in the the the function of of the the field of screen protective film is also a wide variety of, the earliest high-definition the scratch-resistant, to the the the present Hong Kong REDBOBO and the favored OK8 functional protective film.
Can be applied in the following areas: metal surface, the surface of the coated metal products, plastic products, surface, surface of the automotive products, electronic products surface, the surface of the plate products, the profile surface of the product and the product surface.

        OPP protective film material from the appearance point of view closer to the PET film, its hardness, a certain degree of flame resistance, but the paste to use less effective, is rarely used in the general market.

   Protective film features: from simple scratch and CITIC Ka functional protective film protective film material derived from AR anti-reflective film, the AG matte anti-reflective film, mobile phone, a mirror film, anti-peep film, HD scratch-resistant film function type protective film; OPP protective film

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Leather handbags maintenance of law

No matter what, as long as the proper maintenance, even if no longer popular, but there is still invaluable to us, of course, every day, to accompany our handbags.

However, because leather is a special kind of material, so maintenance need more heart in order to make leather goods utmost in following the introduction of several storage, maintenance handbags.

One season to the collection bag, incorporating the former must first clean the leather and the bag to be placed in a clean shredding corporation or Mianshan in order to maintain the shape of the bag, and then bag into a soft cotton bag housed in a cabinet, and should avoid undue compression and deformation.

Cupboard. To close Napier products necessary to maintain good ventilation, such as shutter door cabinet is better, it is best not to put too many items in the closet.

The natural oils of the leather itself as the longer the time or use too many times and gradually reduced, so that even very advanced leather also need regular maintenance.

(4) If the suede products contaminated, you can directly use the eraser erased, and maintenance along the direction of the wool with a soft brush to brush flat on it.

In fact, maintenance of the road in the first weight is the "treasure", usually pay attention to scratches, will not be rain, are not stains contamination, maintenance handbags are the most basic common sense in the use of handbags. Or wait until after a problem to deal with, the effect is of course not!


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Digital Memory Card

1.CF card

       The full name of the CF card is a Compact Flash was launched in 1994 by SanDisk Corporation, one of the largest Flash Memory card vendors. Size of 43mm x 36mm x 3.3mm, weighs approximately 15 grams or less, due to launch early, so the development of more mature, the use of the ATA protocol CompactFlash interface 50-pin, developed to its maximum capacity by the original 8M, 16M all the way to jump to up to 320MM as much as the maximum capacity in the market, the surface can see in the 256M.

       Comment: The application earlier coupled with the capacity advantage, many digital cameras on the use of this flash memory cards as storage media, and better compatibility, there are also a lot of reader device support, but it had The large size and weight will limit its development.

2.SM card

       The full name of the SM card SmartMedia, "was released in November 1995 by Toshiba (TAEC) Flash Memory storage card, Samsung and Toshiba is the most important SmartMedia manufacturers. From its size, 45mm x 37mm x 0.76mm making it the thinnest Flash Memory storage card, weighs only 1.8 grams. Interfaces, SmartMedia, using a 22-pin interface, we only see the outside of the card flat Goldfinger. Capacity has been developed to 128M, the control formats are not uniform, its compatibility is not good in the past, often the format is incompatible, and sometimes different manufacturers of SM cards used in digital cameras or MP3 interaction can not be used directly, or new large-capacity SM card can not be the old SM reading device to read the strange phenomenon, but now Toshiba is trying to reunification of this control format, hoping to improve its compatibility level.

       Comments: The early design problems it has many flaws on the compatibility, the advantage is small size, low price is the cheapest Flash Memory.

3.MMC card

       MMC's full name is "the MultiMediaCard" - is a compact high-capacity flash memory card, Siemens Siemens (now known as Infineon) and the first CF SanDisk introduced in 1997. Due to its more advanced packaging technology, and is now quite mature, it dimensions of about 32mm × 24mm × 1.4mm, weighing less than 2 g, 7 pin, its volume is even smaller than SmartMedia, not afraid of the impact of can be repeatedly read and write records of 300 000, the drive voltage of 2.7-3.6V, the maximum capacity of more than 64M, 128M capacity has also been released this year. This flash card has been widely used on mobile phones, digital cameras, digital cameras, MP3 and other digital products.

       Comments: small and light very much in line with the need for removable storage, but its architecture is more simple, is also good compatibility between the different devices from common, the most widely used in MP3, this excellent characteristics for other mobile devices more and more optimistic.

4.SD card

        The full name of the SD card is the "Secure Digital", which means "Secure Digital", which is jointly launched by the two Japanese Electronics Group, Panasonic, Toshiba and SanDisk, first released in August 1999. SD card data transfer and physical specification chosen by MMC evolved, so the size and MMC almost the size of 32mm x 24mm x 2.1mm. Only is thicker than MMC, 0.7mm, to accommodate the larger capacity storage unit, the weight of adhering to the MMC is light weight, weighing only about 1.6 grams. Is the SD card and MMC card to maintain upward compatibility, that is, the MMC can be the new SD equipment access, but the SD card can not be MMC device access. From the difference in appearance, due to the SD interface in addition to 7-pin to retain the MMC is still on both sides adds a 2-pin as a data line, and with a physical write-protect switch. In terms of capacity, the market has 64MB of products, Toshiba has to produce a 128MB product.

       Emerging in order to adapt to the miniaturization, SD card Mini SD card, mainly to attack mobile phones, PDAs, handheld information terminals.

       Comment: SD card is indeed a very impressive development potential, almost set a variety of advantages, and even claims to copyright protection is the highest level of security Flash Memory, is just too expensive, is not currently used by most manufacturers.

5.SONY company's Memory Stick (referred to as MS card)

      Since July 1997 SONY announced the development of the Memory Stick, Memory Stick has been fully used in Sony's full range of products in SONY products from 4M to 128M capacity products can be of different applications, the product line of digital equipment The most abundant SONY even trying to make the Flash Memory as an industry standard. SONY own, said its Chinese name is the memory stick, in fact, it is the size of 50mm x 21.5mm x 0.28mm, 4 grams of weight. Then the product is a single flat 10-pin adapter with separate needle groove, and the write-protect switch. Demand of the increasing emphasis on copyright protection, December Sony in 1999 launched a new with MagicGate the Memory Stick, the main change is to add a copyright protection technology known as the MagicGate the Sony patent to comply with the SDMI standard.

       SONY Memory Stick card, due to the different shape size, divided into three sizes, namely, the capacity of the Memory Stick, Memory Stick PRO, Memory Stick DUO, the capacity between 16MB-128MB Memory Stick, Memory Stick Pro between 256MB-1GB, the future can reach 32GB Memory Stick DUO capacity minimum, 16MB-32MB, via an adapter, like the original MS card inserted in the slot.

       MS PRO is a high-end products in the MS family, despite the same shape and MS card, but its transfer speeds increase, the lowest recorded speed of 15Mbps. Can be adapted to record a continuous dynamic image.

       Comments: Due to the strong image of SONY in the industry, the Memory Stick in the products has been fully applied, but unfortunately can not open industry standards, it is impossible for other vendors' products, but the price is too expensive, 64M product you need about 1000 yuan.

Fuji film and Olympus Optical Co. as a follow-up to the SM card products to the successful development of the xD Picture Card

New media developed specifically for digital cameras is characterized by small size, large capacity. Dimensions in the small memory card is the smallest, only lengthwise 20 × 25 × 1.7mm. Fuji Photo Film and Olympus Optical Co., this digital camera to replace the SM card. XD Picture Card card is scheduled for the 8GB product to solve this problem.

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The origins of the bracelet

Times late in the old device, the human wearing ornaments of this fact has been unearthed by many Chinese and foreign in kind to be confirmed. Unearthed the Venus Yuandiao Velen Dov Nude, in its fullness in the chest, hips disproportionate small wrist, engraved with a bracelet of a class of ornament. Bone carving portraits in unearthed in YISHITULIZI, also engraved with ornaments like bracelets.In Wukelanmai Tianjin archaeological finds, useful Mammoth Ivory carved wearing fitted?? Bracelet decorated with beautiful patterns. Riviera Grimaldi kind unearthed, in addition to the use of the bracelet made of fish vertebrae, with shells, oyster shells, animal teeth, and the production of bracelets.
In Qufu, Shandong Province Western Xia designate Neolithic site of Banpo Ruins, dating back six thousand years or so, archaeologists have found pottery rings, stone bracelet ancient ancestors for decorative wrist bracelet ring. From the physical point of view of excavated bracelet, animal bones, teeth, stone, pottery, etc. Bracelet shape of a round tube, circle, there are two semi-circular ring put together two percent.Neolithic bracelet has a decorative, not only the surface polished smooth, and some still bracelet engraved on the surface there are some simple pattern.Business week to the Warring States period, bracelet material jade. Whether the bracelet shape, jade color, are extraordinarily rich. In addition to jade, this period there was even a metal bracelet.Western Han Dynasty, due to the influence of Western culture and customs, wearing armbands of vogue, armbands's style a lot, the size of the free expansion, this armband adjustment ring according to the thickness of the arm and there is a spring-like , the rope into the ring plate, varies from three times as many as a dozen laps at both ends woven with gold and silver ring sets, used to adjust the tightness. This? Escape? Style armbands, can be worn on the arm department, can also be worn on the wrist.Sui, Tang and Song Dynasty women bracelet decorative arm has become commonplace, known to be the armlet. Step chariot map "of the early Tang painter Yan Liben weeks fat" Wearing Ladies ", a clear picture of the image of a woman wearing the armlet. This is not just limited to the court and aristocracy, the civilian population is also very keen. According to historical records, Cui Guangyuan troops in crusade scripts Zhang, soldiers everywhere, looting, to see the women, cut off the arm and took the armlet. It is obvious that the woman wearing the armlet are not a minority.Tang and Song, bracelet material and production process has been highly developed, with gold and silver bracelets inlaid jade bracelet, inlaid treasure bracelet. The shape of a ring type, type of beads, wire cutter type, braids, bamboo type. To the Ming and Qing dynasties, and even the Republic of China, the bracelets of gold inlaid with precious stones as powerful as ever. Style shape of the jewelry, craft production has a lot of development.Bracelet is considered as an arm ornament, the earliest initiation of a vague sense of beauty, but there are also many scientists believe that the emergence of the bracelet was originally not entirely out of beauty, but the worship and the totem, witchcraft ritual. At the same time, there are historians that has an absolute dominance of men in economic life, making rings, bracelets and other ornaments have a metaphorical leash on women, not to escape the barbarian customs. This metaphor there has been quite a long period of time.And earrings, necklaces, rings, bracelets as a kind of jewelry to be as clothing matching decoration to dress up as a work of art as a personal style, loving a dress means being more and more people accept and to use. Its aesthetic function is often a bracelet to wear.

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Scope of application in mobile phone protection film

The market a lot of cell phone protective film is made from PET, the use of PET, what does?

 PET material protective film is currently on the market the most common type of protector, in fact, we usually see plastic Coke bottle is the use of PET material, also known as PET bottles. Chemical called mylar PET material protective film is characterized by texture is relatively hard and relatively scratch and prolonged use will not turn yellow oil like PVC material as the general PET protective film to rely on the electrostatic adsorption is relatively easy blistering and shedding, but even off in the water wash and they can be reused. the price of the PET material protective film is a lot more expensive than PVC.

 In fact, PET protective film took part in a single layer, double, triple, their scope of application to use with the method has a lot of. Three-layer PET protective film, its scope is wide can die cutting waste in raw material, metal protection, screen savers range of uses. But most are of the scope of this type of screen protection film, because it has good hardness and scratch is very suitable for the screen with.

Three-layer PET film product features:
● Electrostatic adsorption technology-free glue for multiple paste without leaving adhesive residue, can    be assured that posted.
● high surface hardening, wear anti-scratch.
● The light transmission of up to 99.99%.
● anti-reflective, effective UV filter; anti-oil, anti-fingerprint.


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