Friday, November 26, 2010

Low Cost Refurbished Electric Supplies?

Electronic recycling is an alternative approach to waste disposal of unused electronic devices and their components sony vgp-bpl8 battery, sony vaio vgn-fz battery. It is a process of re-using the raw materials in a product to make a new one.

Although recycling is a good way to reuse such raw materials, it can be hazardous to the workers in the yard, to the neighboring communities, and to the environment. In developed countries like the European Union States, recycling takes place in recycling plants built specifically for recycling electric supplies and electronic gadgets.

But in developing countries like Asia, there is no such thing as recycling plants. Hence, there is a possibility that materials such as plastics from e-wastes are recycled, thereby, releasing brominated furans and dioxins into the atmosphere. Also, electronic recycling is often done by children with bare hands in scrap yards.

There are four main types of electronic recyclers. Some recyclers carry out the tasks of collecting, refurbishing, de-manufacturing sony vgp-bps15 battery, sony vgp-bpl15 battery and processing. In collecting, the collectors receive electronics from the general public and from businesses. The collected material is then shipped to refurbishing, de-manufacturing or processing department.

Collectors come in two kinds: the one who has affiliation with a permanent drop-off site, and the one who operates from a temporary location set up for a specific collection event.

In refurbishing, the refurbisher can be a non-profit or for-profit organization that accepts, sorts, and refurbishes used computer equipment, cellular phones, and other devices for electronic recycling. Products that are reparable are sold or donated after being restored to working condition. Non-reparable components are then sent to a de-manufacturer or processor.

In the de-manufacturing department, the de-manufacturers accept computer equipment and broken computer components. These components are further broken down into plastic housings, wires, metals, and circuit boards. The simpler parts are sent to processors or smelters that have the facility or equipment needed to process such parts.

In processing, the processors accept de-manufactured electronic components, which are broken down into their raw state dell latitude d630 battery, dell latitude d830 battery. The processing includes resource recovery procedures like separation of precious metals, smelting of lead, and incineration of waste to energy. This is also the last stage of recycling before the component is ultimately disposed.

Recycling can reduce or slow down the rate at which landfills are filled. It recovers valuable materials, conserves virgin resources, resulting in lower environmental emissions including greenhouse gases.

Each year, around 128 million cell phones are not being used. These cell phones are discarded, retired or thrown away. Apart from that, obsolete or damaged computer processors and monitors are dispatched in replacement of brand new sets. Around 2 million tons of used electronics including televisions, and media players are discarded.

When done under desirable conditions, electronic recycling can protect public health and the environment from further damage. It can create jobs locally as new businesses are formed to perform any of the four types of recycling.

Finally, instead of creating brand new materials from new raw materials, electronic recycling recovers the valuable hp probook 4510s battery, hp probook 4710s battery materials from old electronics, conserving the natural resources.

Thursday, November 18, 2010

You really do use the laptop battery

Laptop, you use it? Use of laptop batteries that you and master how much? Connect the power of books long-term use, how should we save a good laptop battery it? Problems seem less important, in fact sony vaio vgn-fz battery, sony vgp-bps10 battery, affect the laptop battery life, want books with a bit longer? Then let us learn about battery use it!

First, the battery program

Most laptops are equipped with automatic down-conversion function, so that the benefits of the books is the maximum extension of battery life. Many people who use the Celeron may have questions about the books, our books do not have this feature, is not naturally less power out? CPU power consumption is only a part of, in fact, the order should be like electricity: LCD> CPU (full speed)> Graphics> Wireless LAN> CPU fan. In other words, in addition to CPU, we have still other aspects, reducing the maximum power consumption.

The control panel in WindowsXP has a power management option, the “power scheme”, set the LCD screen in idle for about 10 minutes off the most reasonable, and the hard disk will have to set more appropriate in 15 minutes. Moment of the hard disk does not boot requires a certain power that frequently start and stop on the hard drive considerable damage. Of course, you can also manually turn off the screen, most of the books through fn + F3 function key to achieve.

Set LCD, hard drive shut down time sony vgp-bps21 battery ,sony vgp-bps22 battery, and if necessary to further save power, but also the operational status of the system to adjust, it is not able to do the WindowsXP. The Thinkpad, for example, most of the books have built-in battery management software, general books will provide eight-screen brightness adjustment, although the bright state can get the best visual effect, but it is very, very power-hungry, so , edit the document or some other common application to adjust the screen brightness to the lower six or seven most appropriate. At the same time, CPU can also set the best battery performance, CPU fan running status set to “balanced” more reasonable.

Some low-priced books there is no battery management software (because there is no built-in power management chip), but you can use the generic battery monitoring software to manage the battery. BatteryMon is a good, download address is http://www.mydrivers.com/tools/dir18/d7339.htm

Sample used in the T43, running at full speed when playing DVD discs, battery life is only 2 hours 37 minutes, and the optimized solution can be achieved when using a long 3 hours 17 minutes or so, raise obvious. Set the screen brightness, CPU speed, fan speed

Second, the correct charging method

Many people use the laptop asus a32-f3 battery, asus a33-f3 battery, see the power started to charge less than 100%, but this will accelerate the reduction of the total electricity capacity lithium, long down, the battery life much shorter time, but also greatly shortened life expectancy . Therefore, the recommended limit is lower than 10% of the charge re-charging, but also careful not to set too low, such as the use to only about 3% charge left, which is not scientific enough. Low power alarm must be set, generally less than 10% of the alarm as well, less than 3% of the serious alarm means that the battery is insufficient to support the next boot into the system. Many battery management software is the default start charging less than 96%, this will damage the battery charge, so be sure to change this setting. In addition, the best off charging the battery so that conservation can play a role.

Third, the discharge necessary?

If the laptop battery power for a long time greatly reduced, the depth of discharge can try to “save” it. This is a “dead horse a living horse medicine” approach, not a last resort, it is best not to do so. The simplest method is to discharge has been running the program, less than 3% of electricity to restart the laptop into the BIOS after the vacancy to run until the automatic power up. Then the depth of charge hp probook 4510s battery, hp probook 4710s battery, charging time to reach eight hours but not more than twelve hours, which would allow lithium to restore some power.

Saturday, November 13, 2010

Fuzhou, a passenger jumped out of the bus involved in bizarre under the wheels rolled off the right leg

2 o’clock yesterday afternoon, Fuzhou Jinshan Bridge, traffic or vice versa, there is no exception. Suddenly, a 308 bus suddenly bumped and saw the driver rear-view mirror, stay: the left rear wheel rolled to a man sony vgp-bps9 battery, sony vaio vgn-fz battery, next to the pool of hp pavilion dv6 battery.

The man was rushed to hospital, the pain cockroaches, what can not be answered. Scared the driver does not light: the way they did not see pedestrians on the bridge, this one is how suddenly the wheels under the drill?

The car suddenly bumped open open”

15:05 yesterday, the accident bus also stops at Jinshan Bridge on the fast track, the passengers had left, leaving the frightened driver does not light, stood by the car, stare at the car.

The face of the police inquiry, the driver said: “The car drove suddenly bumped open, I turned to look, he has been lying there, a broken right leg was crushed in blood.” Rolling people in place before what the driver said he is very chaotic mind, not quite sure what happened.

There is speculation of men walking across the street to a car accident. “I drive past, did not see the person across the bridge are going dell inspiron mini 10 battery, dell inspiron mini 12 battery.” Drivers say for sure.

Then, there are crowd people say that there are some electric Ju Ji Jinshan Bridge to the motor vehicle and speeding cars from the more recent, will not be the rider to be involved in the vehicle. However, this speculation has been denied another person, “not only did not live to see electric cars, even the parts are not, will not.” The way in which people say is the fast track to the incident, who would ride on “the fast lane and cart cut in? ”

Onlookers guess four hours was not sure what this hp pavilion dv5 battery emerge

How the accident happened in the end? More than we talk, but has not been a clear explanation.

Suddenly, the driver seemed to have come to realize: “He is my car passengers!” How will the passengers went to the vehicle, does the bump? Reporter saw cars in the latter half a step higher than the previous half, while the latter half of car windows, higher than only ten to twenty centimeters. “Window opened, gently hop can go.” All the way to approve of the speculation, saying that men may be jumping hp pavilion dv6000 battery, hp pavilion dv9000 battery after being involved in the vehicle.

But why bump? This reporter learned that the next bus Jinshan Bridge, will be in the talent pool not far from the city center of the station stops, and the smooth flow of traffic at the bridge, just a few minutes to arrival. That being the case, why take the risk man jumping? Some people say, I heard that man was phoned in the car, then is not he in a hurry? It was also speculated that men may be a thief, was found after the emergency jump. There is also speculation, and perhaps his mental illusions, only a vague bump.

4 pm, this reporter went to Fuzhou General Hospital of the Fourth seventy-six Hospital, found the injured man. He was just lying on the bed crying “it hurts”, unwilling to answer a reporter’s question.

Relatives said the 30-year-old man, surnamed Chen, Guangxi. Doctors said the man needed surgery right leg, left leg also needs further examination, whether the recovery is not to say.

Although the man was reluctant to say how he was injured, but last night, 7:00, Jinshan police station to find the exact answer: man is indeed a bump under the wheels after the roll. The evidence is simple sony vgp-bps8 battery, sony vgp-bpl8 battery – on the bus with video surveillance.

However, why he jumped off, still need further hp pavilion dv4 battery.

Wednesday, November 10, 2010

Batteries Are Looking for Higher Capacity, Power and Safety

At the recent Portable Power Conference in San Francisco, battery vendors and others connected with the battery industry presented some of the latest developments relating to Li-ion/Li-polymer sony vgp-bps9 battery, sony vgp-bpl9 batteries.

Although there is continued use of NiCd and NiMH batteries in high-volume applications such as cordless phones and power tools, Li-ion is the dominant rechargeable chemistry thanks to its use in cell phones, notebook computers and PDAs.[1] Li-ion dell laptop battery also are being adopted in many other applications such as DVD players, digital still cameras, MP3 players and medical instruments.

For these types of products with modest power requirements, falling battery costs, widespread availability of charging circuits and high energy density are making Li-ion batteries the power source of choice. However, in their search for new markets, cell manufactures continue to develop Li-ion batteries capable of supplying the higher discharge rates and the ruggedness demanded by power tools. As these emerge from the lab into production, they will seek to supplant NiCd and NiMH batteries, with Li-ion cutting perhaps half the weight of the battery pack.

Meanwhile, cell makers continue to optimize the existing Li-ion chemistries to achieve greater capacity with the expectation that changes in the electrode composition will soon be needed to push battery performance higher. At the same time, efforts continue to exploit the benefits of Li-polymer cells and to expand production of these cells. While many of these efforts involve incremental improvements of existing dell latitude d630 battery, dell latitude d830 battery, some companies are pursuing new chemistries to achieve a major step up in performance.

One example is Sion Power's efforts to commercialize lithium-sulfur (Li-S) cells, which promise higher energy densities than Li-ion cells, albeit with a lower cell voltage of 2.1 V. The company plans to begin sampling Li-S cells next July.

Incremental Gains for Li-ion

The 18650 cylindrical cells serve as a marker of Li-ion performance advances over time. According to data from the conference, most 18650 cells shipped in 2004 had a capacity of 2200 mAh.[1] However, several cell makers began producing 2400-mAh cells this year. According to data presented for a Sony cell, that capacity corresponds to a gravimetric energy density of 205 Wh/kg and a volumetric energy density of 530 Wh/l.

Because the material composition of the highest capacity cells is slightly different from those of the lower capacity cells, OEMs pay a premium for their performance. One vendor, Expower (part of HYB battery Co.), has indicated that 2400 mAH cells are currently priced at $3 to $4 per cell in volume. However, 18650 cells are still being offered with capacities ranging down below 2000 mAh, and these cells are priced closer to $2 per cell.[1]

The recent increases in performance for Li-ion toshiba pa3476u-1brs battery, toshiba pa3399u-1brs battery are attributed to optimization of a familiar Li-ion cell chemistry using lithium cobalt oxide as the cathode material and graphite as the anode material. Continuing with this approach, cell vendors expect to introduce cells with up to 2600 mAh in the coming year. However, some think that value is the limit for cells built with lithium cobalt oxide.

For cell makers to achieve higher capacities up to about 3000 mAh in the 18650 format, change in cathode materials, possibly a combination of nickel and cobalt, will be required. Such an electrode system will require further development to ensure the safety and stability of the cell.

Safety isn't only a concern in the development of future Li-ion cells with higher performance, it's an issue with existing cells, which generally require multiple layers of protection. Consequently, the pursuit of inherently safer Li-ion cells continues using more thermally stable cathode materials such as lithium manganese oxide and lithium metal phosphate. Valence Technology is developing hp pavilion dv6000 battery, hp pavilion dv9000 battery based on the latter material.

One variation on safer cell design is Sanyo's composite cathode, which combines lithium manganese oxide with lithium cobalt oxide, blending the safety of the former material with the performance of the latter.[2] Cells using the composite cathode are safe enough to remove the protection circuit and reduce costs, given certain restraints on charging conditions, leakage current and continued use of a PTC or thermal fuse. At the same time, Li-ion cells built with the composite have discharge characteristics close to that achieved using lithium cobalt oxide alone.

Progress for Li-polymer

Work continues to boost the performance of Lithium polymer dell inspiron 640m battery,dell inspiron 700m battery, which are essentially Li-ion batteries but with two distinctions. The Li-polymer cells use a gelled electrolyte rather a liquid electrolyte and an aluminum laminate casing instead of the aluminum or steel can associated with Li-ion prismatics. Since their introduction by Sony in the 1990s, Li-polymer cells have been touted because of their ability to be manufactured in the thinnest form factors (below 4 mm).

But Li-polymer batteries have trailed Li-ion sony vgp-bps8 battery, sony vgp-bpl8 batteries in a few performance areas. Because of the lower ionic conductivity of the electrolyte, they have exhibited degraded performance at lower temperatures and over varying load conditions. In the past, leakage and swelling were concerns with some Li-polymer cells. The development of new types of completely gelled electrolyte has addressed these concerns. One example is a 3.8-mm × 35-mm × 62-mm, 900-mAh Li-polymer cell from Sony.[3] This cell, which specifies energy density at 410 Wh/l (volumetric) and 210 Wh/kg (gravimetric), operates from -20°C to +60°C.

While cell phones and notebooks may require dell inspiron 710m battery,dell inspiron 8500 battery to supply 2C and 3C discharge rates, power tools may drain the battery at rates of 10C. To meet that requirement, vendors are developing Li-ion cells with lower impedance but making tradeoffs in energy density. For example, BYD's LC1865PR cylindrical cell features less than 20 mΩ of impedance and is characterized at discharge rates up to 10C.[4] The capacity of this cell at 10C is 93% of that at 1C; at the 10C rate, the cell retains 80% of its capacity after 500 cycles.

This high-rate Li-ion cell achieves an energy density of 108 Wh/kg (gravimetric) or 260 Wh/l (volumetric). Although those numbers are below that of the benchmark cylindrical cells cited above, they compare favorably with NiMH, which offers an energy density of 50 Wh/kg (gravimetic) and 150 Wh/l (volumetric) in similar power tool applications.

BYD's high-rate discharge asus a32-f3 battery, asus a33-f3 battery is still in development. The focus is improving cell safety by adopting lithium manganese oxide in the cathode

Wednesday, November 3, 2010

The battel betweenTencent QQ VS Qihoo 360

A few weeks ago, Tengxun, the producer of the most popular online chatting software, was accused by 360 anti-virus for infringing customers` privacy when providing their services. This commercial competition later on lead to a dramatic speech battle involving several groups, which share the similar feeling over the issue(sony vgp-bps15 battery, sony vgp-bpl15 battery).

On 27 September, 2010, 360 firstly released its new software, named ‘privacy protector’, to monitor the actions of those privacy aggressive software, which is in fact, QQ. QQ is an online chatting software produced by Tengxun, and has thousands of millions of customers in China. 360 claimed that QQ automatically scan through the users hard disks when they run the program without informing them in advance. What’s more, since all the actions are conducted behind, users can hardly recognize that their computers are actually being ‘checked’. Neither can they figure out the way to stop it.

Users are forced to “circusee”

Once released,this message aroused a chaos among Chinese netizens. On 28 September, which is the following day, Tengxun posted a journal on its headline, revealing the scandals about 360 browser distributing pornography. In the same day, 360 clarified the rumor, saying that it was only a n act of revenge.

In the following week, 360 kept on updating its official website, telling users how to know whether they are being ’scanned’ or not. They also directly reminded users to shut down their QQ whenever they are doing online financial transactions or similar activities, in which they may be asked to key in important, private, personal information(sony vgp-bps8 battery, sony vgp-bpl8 battery).

Encouraged by the actions of 360, other companies started to accuse Tengxun as well, and this include various kinds of groups. New stories kept on pumping out. Besides infringing users` privacy, Tengxun is accused for infringement of copyright and market fairness. Many of them penalized Tengxun for ‘taking advantages of monopoly’, considering the fact that QQ has domain the Chinese market for years. It seems that most of these groups turned against Tengxun because they have been defeated by Tengxun in respective fields.

Well, at this point, it seems that Tengxun has become the public enemy. It does not only need to strive to win back users` trust, but is in faced with all the legal affairs as well. 360 as well as other several firms, are ready to sue Tengxun over the abuse of internet, hoping to kick QQ out of the market.

Form my perspective however, such practice is no longer for the sake of we users` rights. Instead,

this sounds more like another term of commercial strategy, or more exactly, a political strategy.

Since 360 is a government-supported firm, it always stands for the government’s interest. On the other hand, with the spread of QQ, there is an increasing interaction among the netizens. People start discussing about the news and expressing their feelings much more freely than before. This makes our government pretty insecure, for there are increasing doubts, involving the 64’s incident and so on(sony vgp-bps9 battery, sony vaio vgn-fz battery).

Take myself as an example, after the installing ‘privacy protector’, I can no longer log in to the my Q-zone, a self-own space similar to ‘my space’ and ‘blogger’. As an overseas student, I used to share my life with my friends and family in China via the blog posts. Now everything just becomes inaccessible. I feel rather irritated. This seems more likely to be a upgrade of the formal censorship. In fact, whether there is really an act of infringing privacy or not is not the focus. The focus is that those applications like Q-zone finally stop functioning.

I don’t think we users can actually benefit from such protection. With such protector, we actually kind of shut up, no longer talking about all those stuff. And it feels really bitter. Things are going out of control, and people are getting more and more doubtful, feeling insecure about the government, while our government just don’t do the right thing. I know that letting go the freedom of speech may provoke a big effect in the population, owing to the big mistake made in the past, but making new lies to conceal the old ones is just not the right practice(dell latitude d630 battery, dell latitude d830 battery).

Perhaps the government is just not ready to accept the penalization, but I don’t think our population have that much patience to wait for confession.