20 Mayıs 2010 Perşembe

Cooking Asparagus The Fun And Easy Way

Preparation is the key when you're going to cook asparagus. There are several methods of cooking boiling, grilling, steaming, or roasting. The microwave is also a good option when cooking asparagus. Cut the asparagus into sections and you can use it in stirfries you can also blanch the asparagus and use it in vegetable dips. Of course, there's nothing like steamed asparagus with butter, salt, and pepper.

When buying asparagus make sure that it is fresh, the asparagus will taste much better and can be kept for two to three days when properly stored. Once you get the asparagus home and ready to prepare, you'll need to trim it. The easiest way to trim asparagus before cooking is to simply do it by hand by bending the stock until it breaks. If it will not break but only bends, it is probably old and will not be as fresh as you would like it. Some cooks prefer to peel the bottom of the stocks this is not really necessary but sometimes helps when the stocks are a little woody. Contrary to popular belief the thicker asparagus is actually more flavorful than the pencil thin variety that most people want to buy.

An easy way to peel asparagus if you decide to go that route, is to lay a stalk on the counter or a cutting board and use a vegetable peeler. Starting at the top of the asparagus peel all the way to the end. The main reason anybody would peel asparagus, as I mentioned above, would be to make the asparagus more tender. You don't need to completely peel the asparagus either, simply peel down one one side to allow moisture to enter the asparagus while it is cooking.

If you want to steam the asparagus here is a simple method. After you have timmed your asparagus to the size you need, and optionally peeled it, place them in a saucepan and about an inch of water. Another steaming method you can use when cooking asparagus is to stand them vertically. Make sure you tie the bundles at the bottom and the top so they don't fall over in the pan. They should steam for approximately 5 to 10 minutes depending on the thickness.

Boiling is a great way to cook asparagus also. You want to use just enough water to cover the asparagus but make sure all the stems face the same direction and are covered with water. The asparagus will take between four to six minutes to cook completely, but again that depends on the size.

One method I really enjoy is using the grill. Cooking asparagus on the grill either directly over the fire or on skewers gives a great smoky flavor. Depending how you like them, cook the asparagus for anywhere from 30 seconds to 10 minutes. Another great way to cook the asparagus is to wrap them in foil with a little bit of olive oil and salt and pepper and cook them on the grill for 10-20 minutes. You'll have a great treat.

On those winter days when you really don't want to cook asparagus on the BBQ, another great option is roasting. Simply heat the oven to 425° F, and lay the asparagus flat on a baking sheet lined with foil. You can put any seasoning you want on the asparagus when roasting; salt, pepper, lemon pepper or any other spice that you have on hand are good. You will be rewarded with a nice tender stalk with a roasted flavor in about two to three minutes.

How Does A Refrigerator Work?

This is similar to what happens inside older refrigerators. Instead of water, though, the refrigerator uses chemicals to do the cooling.

There are two things that need to be known for refrigeration.
1. A gas cools on expansion.

2. When you have two things that are different temperatures that touch or are near each other, the hotter surface cools and the colder surface warms up. This is a law of physics called the Second Law of Thermodynamics.

Old Refrigerators

If you look at the back or bottom of an older refrigerator, you'll see a long thin tube that loops back and forth. This tube is connected to a pump, which is powered by an electric motor.

Inside the tube is Freon, a type of gas. Freon is the brand name of the gas. This gas, chemically is called Chloro-Flouro-Carbon or CFC. This gas was found to hurt the environment if it leaks from refrigerators. So now, other chemicals are used in a slightly different process (see next section below).

CFC starts out as a liquid. The pump pushes the CFC through a lot of coils in the freezer area. There the chemical turns to a vapor. When it does, it soaks up some of the heat that may be in the freezer compartment. As it does this, the coils get colder and the freezer begins to get colder.

In the regular part of your refrigerator, there are fewer coils and a larger space. So, less heat is soaked up by the coils and the CFC vapor.

The pump then sucks the CFC as a vapor and forces it through thinner pipes which are on the outside of the refrigerator. By compressing it, the CFC turns back into a liquid and heat is given off and is absorbed by the air around it. That's why it might be a little warmer behind or under your refrigerator.

Once the CFC passes through the outside coils, the liquid is ready to go back through the freezer and refrigerator over and over.

Today's Refrigerators

Modern refrigerators don't use CFC. Instead they use ammonia gas. Ammonia gas turns into a liquid when it is cooled to -27 degrees Fahrenheit (-6.5 degrees Celsius).
A motor and compressor squeezes the ammonia gas. When it is compressed, a gas heats up as it is pressurized. When you pass the compressed gas through the coils on the back or bottom of a modern refrigerator, the hot ammonia gas can lose its heat to the air in the room.

Remember the law of thermodynamics.

As it cools, the ammonia gas can change into ammonia liquid because it is under a high pressure.

The ammonia liquid flows through what's called an expansion valve, a tiny small hole that the liquid has to squeeze through. Between the valve and the compressor, there is a low-pressure area because the compressor is pulling the ammonia gas out of that side.
When the liquid ammonia hits a low pressure area it boils and changes into a gas. This is called vaporizing.

The coils then go through the freezer and regular part of the refrigerator where the colder ammonia in the coil pulls the heat out of the compartments. This makes the inside of the freezer and entire refrigerator cold.
The compressor sucks up the cold ammonia gas, and the gas goes back through the same process over and over.

How Does the Temperature Stay the Same Inside?

A device called a thermocouple (it's basically a thermometer) can sense when the temperature in the refrigerator is as cold as you want it to be. When it reaches that temperature, the device shuts off the electricity to the compressor.

But the refrigerator is not completely sealed. There are places, like around the doors and where the pipes go through, that can leak a little bit.

So when the cold from inside the refrigerator starts to leak out and the heat leaks in, the thermocouple turns the compressor back on to cool the refrigerator off again.
That's why you'll hear your refrigerator compressor motor coming on, running for a little while and then turning itself off.

Today's refrigerators, however, are very energy efficient. Ones sold today use about one-tenth the amount of electricity of ones that were built 20 years ago. So, if you have an old, old refrigerator, it's better to buy a new one because you'll save money (and energy) over a long period of time.

For more information go to:

• Argone National Laboratory - Ask A Scientist (http://newton.dep.anl.gov/newton/askasci/1993/eng/ENG30.HTM)

• Mr. Hand's 8th Grade Science Site (www.mansfieldct.org/schools/mms/staff/hand/heatrefrig.htm)

• How Stuff Works - Refrigerator (www.howstuffworks.com/refrigerator.htm)
• Science Treasure Trove - refrigerator page (www.education.eth.net/acads/treasure_trove/refrigerator.htm)

Packing House Operations for Fruits and Vegetables

Packing houses serve as a collection centre for fruits and vegetables prior to distribution and marketing. The houses can be simple packing sheds with a limited equipment and minimal operations or a large complex that is well equipped and with facilities for specialized operations. The types of operation carried out vary with different commodities and market requirements. Produce that are destined for export or supermarket outlets are often subjected to elaborate operations compared to local markets. Some of the operations are as follows:

Sorting and Trimming

Freshly harvested fruits and vegetables are sorted for uniformity in size, shape and varietal characteristics. Damaged, discoloured and decayed parts are removed to make the produce more attractive and prevent infection from the diseased parts.

Washing

Washing is necessary to remove extraneous materials from the field such as dirts, chemicals and latex. This is usually done before storage or immediate retailing of the produce. In order to r educe the incident of decay, chlorine is often added to the wash water.

Drying

Drying is done to remove excessive moisture from the surface of the produce. Excessive drying should be avoided to prevent wilting, shrinking and water loss.

Waxing

Waxing is done on certain types of fruits and vegetables such as ginger, tomato, citrus and melons to reduce water loss, thereby reducing shriveling. In addition to that, the application of edible wax will enhance the appearance of the produce.

Curing

Injured and bruised surfaces of root, rhizome and tuberous crops are allowed to heal by holding them at ambient temperatures for a few days. Curing initiates the formation of periderm layers at wound areas, thereby reducing moisture loss and microbial infection. Sufficiently cured vegetables can be stored for a longer period.

Chemical Treatments

Fungicides and growth regulators are commonly used to reduce decay and undesirable growth respectively. The use of chemicals should be closely supervised and within the recommended levels for human consumption.

Grading

Fresh fruits and vegetables are classified into groups according to a set of recognized criteria of quality and size, with each bearing an accepted name and size grouping.

Packaging

Produce are packed in suitable containers to provide protection against mechanical and biological damages during transportation and subsequent handling operations. Packaging materials should be of accepted standards with regard to strength, ruggedness and resistance to pressure. Packages should have adequate ventilation so that produce will not warm up as a result of heat arising from respiration. Excessive ventilation, however, may result in wilting.

Pre-cooling

Pre-cooling is an essential step prior to storage at low temperatures. It is the rapid removal of field heat from the produce to reduce the rate of respiration, microbial activity and refrigeration load. Pre-cooling can be done with chilled water, ice or cool air (forced air cooling), whereby the produce is cooled to the half cooling temperature.

Storage

Storage at low temperatures has been an effective mean of extending the shelf-life of fresh fruits and vegetables. It also enables orderly marketing and distribution of produce in time of peak production. Temperature requirements for different produce may vary depending on variety, location, stage of maturity and other factors. It is important to note that cool storage is a tool used to maintain quality but not to improve it.

Transportation

Proper handling of the produce during transportation is essential to reduce losses to a minimum and to maintain their quality from the farm to the packing house and from packing house to market. The used of refrigerated trucks to transport highly perishable and high value produce will maintain their quality over an extended duration. In non ventilated vans, temperature of the fruits or vegetables rises quickly, increasing respiration and decay.

6 Temmuz 2008 Pazar

The Future of Google Adsense

he Approaching of Google Adsense

There are abounding account arising up apropos what AdSense will attending like in the approaching and how the arrangement will change as against to what it is now.

Firstly, it's bright that targeting algorithms will become even bigger and added able again they are now. This has acutely been apparent with the Google seek engine itself over the endure few years and it should be of no abruptness as this happens with AdSense. Advertisers will arise in added adapted after-effects and those advertisers who dispense their agreeable to acquiesce top paying keywords to arise may attempt to do this unless it is in fact adapted to their content.

Another affair which is apprenticed to appear is added aegis for AdWords advertisers apropos bang fraud. Google acknowledges this to be a actual key affair that it needs to abode as apprenticed as accessible and there's no agnosticism it will appear as fast as possible. At the moment those who accept top levels of traffic, can calmly beard IP addresses and admission CTR ( Bang Through Rate).

Google is consistently agog on convalescent its articles and this has been apparent afore in AdSense. The seek engine aggregation has alien site-targeted AdSense CPM, "smart pricing" and area blocking and there will apparently be improvements that accept already been added by added agnate sites.

One such archetype is the advantage for the advertiser to accept added ascendancy over area the agreeable is getting displayed. This could beggarly blocking your website from announcement on several addresses that host AdSense banners.

Another abstraction that has been avant-garde is that Google will accommodate AdSense in added forms of media like newspapers or television and so on. While this ability assume to be added on the science-fiction ancillary of the facts there's no adumbration that this ability not happen.

Google accept admission to an all-embracing arrangement of over 150,000 advertisers of whom may accept to access offline markets in altered countries. With Google’s able arrangement of advertisers, they may accept to accredit or acquiesce offline distributors to actualize a architecture for Adwords commercial in content, in seek and now offline.

More options could be implemented for AdSense publishers, acceptance them to specify keywords of their own. While Google has been afraid of this there's no adumbration that this will not appear in the future.

Also, a lot of humans are ambitious a bright blueprint of the appraisement action of AdSense. Google has accustomed no adumbration of why this isn't accessible advice but at this moment it seems awful absurd that such advice will anytime be present on Google AdSense.

Another affection that could acquisition itself into AdSense would be absolution website publishers see which links are breeding clicks on their website and based on what keywords they access there.

This could end up getting a above affair that could abuse the absolute arrangement as it could conceivably animate added adsense alone websites as profits become added transparent. A lot of humans may accomplish AdSense-only sites, advised just for authoritative profits through AdSense.

While this is already accident today, it ability be absurd of Google to put such accoutrement in the easily of its publishers.

However, one affair that could appear is a way for users to fix their issues with low AdSense generated assets on their site. This could be done through an on-line astrologer or something agnate that would accomplish suggestions to website owners based on their contents.

But the above boiler of the day is RSS. The achievability of sending targeted ads anon to users after acute any aeronautics on their account is acceptable a absoluteness with RSS. And there are bright signs that Google isn't traveling to let such an befalling canyon by.

This is what "interactive television" and agnate items accept been aggravating to do for absolutely some time now. But the Internet would be a abundant bigger average for this, because there are no mediums absolutely as alternate as the Internet.

But in the end, this is mostly belief and we are apprenticed to accept Google hasty us with new appearance we would accept never anticipation of.

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The Disadvantages of Adsense

The Disadvantages of Adsense

As adsense becomes the a lot of accepted administrator affairs for Price per Bang advertising, flaws and disadvantages still exist. Since its birth advertisers accept called to acquaint in seek because they acquainted that visitors would be below targeted. This is a 18-carat affair and one that makes absolute sense. If you are visiting a website, and apprehension an advert again the affairs are you are not decidedly apperception on its content.

Adsense has aswell become so accepted that humans can analyze them from added adverts. Accordingly humans may accept to avoid them after even paying them a thought. This has been a hot affair discussed by Bloggers and one that could accommodate a lot of truth. Abounding accept abhorrent Google for this, and their accommodation to cover argument that says “ads by Google” below the advert.

Many publishers aswell abort to anytime accretion the revenues they advancing if starting the program. Those alone accepting 30 – 40 visitors a day to their website would be absurd to acquire even one dollar a day. Abounding advertisers allocution of ante such as 1.5%- 5% for cartage to bang conversion, whilst alone accepting about $0.10 per click. The maths doesn’t plan out great, but you can hardly accusation advertisers or Google if you are not bringing abundant traffic. The key is to accompany targeted cartage to your website that are acceptable to bang on adverts, about it is said that it may be easier on added programs which acquiesce abstracts such as 75% allotment of commercial revenues for publishers.

Another disadvantage in adsense is that it has about become tacky. Its actualization on websites that about arise to be advised in a DIY appearance has advance humans to accessory them inextricably. This can alone be tackled through adsense evolving to be added adorable to the bigger brands, whilst those who currently use adsense are restricted.

Google Adsense aswell has to accouterment the affair of bang artifice which is advancing to calculation for over 15% of bang through amount in content. This has meant that advertiser’s who accept been decidedly affected, accept confused abroad to added programs or accept belted their commercial to search.

This has meant that there is below antagonism in agreeable and accordingly abate revenues for publishers. Publisher’s who ahead had top acquiescent ads, are now accepting to adapt their agreeable to ensure they get any adverts at all. This has abundantly been the accountability of the publishers themselves about the affair is one that; if not addressed could accompany adsense to its knees.

Google Adsense aswell has the disadvantage of not paying abundant for their seek program. Added agnate programs pay college rates, and if publishers adjudge to go abroad again problems will action for advertisers and publishers alike. Although Google abort to pay abundant for seek addition above botheration with Adsense is that it does not accept a able database of clear adverts. Abounding advertisers adopt assuming graphically drive advertisements, about this has yet to materialise. As several added programs abide for PPC clear administration problems could occur.

Whilst this may not be a botheration for all publishers, abounding accuse that the adverts aural their website do not change, so their echo visitors abort to see beginning adverts so accordingly abort to appointment them. This is a botheration which could be addressed through authoritative adverts rotate. About if adverts circle again how will that be affiliated with advertisers paying a amount per click? These are all problems which Google has to abode to ensure that Adsense charcoal the bazaar leader.

Adwords on the added duke aswell has above advantages, and charcoal the best in the market. It’s CPC ante can be called by the advertisers so that even if they feel that they are not accepting the after-effects they apprehend they can lower their prices whilst still application the service.

Whilst abounding issues abide with adsense the affairs still charcoal the a lot of accepted amidst publishers, whilst Google Adwords charcoal the a lot of accepted amidst advertisers; with a database of over 140,000 Adwords will abide on top for the time to come.

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The Advantages of Adsense For Search

The Advantages of Adsense For Search

Adsense for seek provides publishers with the befalling to accommodate a seek apparatus through their website. The seek apparatus provides after-effects which accommodate adwords adverts, and accordingly publishers can accomplish revenues.

The capability of this apparatus for publishers comes in its functionality for website visitors. Those who accept browsed assets on a website may acknowledgment to Google to complete a search. If this ability is independent aural a website they are currently on, again they are acceptable to use the publisher’s website for search, and accordingly the administrator can accept returns.

Publishers generally affirmation that accepting a seek apparatus aural their website is a acceptable way to accomplish Adsense revenues after the affair of abbreviating their brand. In the way that a aggregation who sells a artefact would not ambition a battling provider accepting an adsense advert aural their website, they will not feel that this disadvantage is relevant. The advantages of adsense for seek aswell lies in the amplitude that it occupies on screen. The after-effects are displayed on a abstracted page, so publishers do not feel that they are sacrificing amplitude area Adsense would ahead appear.

The apparatus may aswell advance to visitors selecting the accustomed website as their homepage. If the website contains accordant resources, and still has the functionality associated with Google again the website has broader accepted appeal. Those who are visiting the website for the aboriginal time, and realising it will not amuse their needs may still use the websites seek function.

Adsense publishers generally accompaniment that they accept beneath per Bang Through with Search. Although this is the case surfers are added acceptable to be targeted arise adverts than with Google Adsense. If a company has accept afflicted the account or affair they ambition to seek for, and isn’t accountable by the adverts; they can still acquisition what they are searching for as the administrator earns a percentage.

It is aswell a acceptable apparatus as publishers can acquiesce their website to be searched application the aforementioned technology. Accordingly surfers are added acceptable to aswell acquisition the assets aural the publisher’s website that they require.

Google has a bottom database of advertisers for Adsense through the selectiveness of advertisers. The seek toolbar provides after-effects which cover advertisers that do not ambition to arise in Adsense for content.

Google for seek is aswell acclimated by ample bazaar arch websites area this is attenuate with adsense. Companies who accommodate a account or advertise a artefact are added consistently opting to absorb the seek toolbar into their website whilst not activity that it depreciates their brand.

In fact; abounding businesses in fact feel as admitting their cast is adequate through it’s alignment with the Google logo. Other’s who accept not to use the Google logo, may account from the barter acceptance that the seek technology acclimated belongs to the website they are on, and accordingly added allowances are reaped by the publisher.

As adsense is bedeviled with bang fraud, the aforementioned is beneath acceptable to appear with search. Bang Artifice would crave the being or bodies committing the abomination to chase astute searches, and to abstain any apprehensive behaviour. This could be decidedly hard, and with beneath acquirement per bang those committing bang artifice are acceptable to break abroad from seek all together.

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Text v Graphic on Adsense

Text v Bright on Adsense

Google Adsense provides advertisers and publishers with the befalling to abode adverts in both argument and bright format.

As advertisers adjudge to put adsense into their website over banderole advertising, the catechism still remains. Which is the best for advertisers and which is the best for publishers?

On one duke advertisers may feel that angel adverts are added acknowledging yet beneath acceptable to activate a sale. On the added duke argument adverts may catechumen more, whilst getting beneath arresting to the consumer.

Text based adverts are advised the atomic advancing of the two formats. About does that beggarly that Bright commercial is better? Consumers are acclimated to bright commercial from signing into chargeless email accounts, and from application added web based services. Through getting acclimated to bright commercial they accept about programmed their selves to avoid it. Through the adverts getting untargeted, the customer is acclimated to cast commercial which they feel is about beneath purposeful. This may could cause the customer to avoid the bright advert from the acceptance that it will be the same.

Text adverts are not affected aloft surfers. Through getting beneath attainable some humans will not see them at all, about those who do see them, and apprehend them are decidedly added acceptable to bang on them. This is for a amount of reasons, but the aboriginal is that they accommodate added information. Generally, anyone who is account argument on a page is not traveling to be absolutely annoyed by what they read, and if they analysis adsense adverts they will a lot of acceptable apprehend something which will added supplement whatever their ambition is next. With an angel advert, it is far added of a action for the surfer.

Graphic commercial is about paid per impression. This is because the advertiser may be aggravating to advance their brand, instead of announcement a accurately advantageous service. They accordingly are affected to accept worse about-face rates, and with this argument adverts are in the consumers eyes added effective. However, if the argument independent aural an advert was placed in bright format, which would be the a lot of effective? Well firstly it can affected that the surfer will be added acceptable to appearance it, about if their were assorted angel adverts actualization next to anniversary added they may feel overwhelmed.

Graphic adverts are aswell harder to regulate. Let’s accede Google acceptance adverts to be afflicted frequently and after regulation. The advertiser could affirmation amalgamation from the website they are commercial on, and accommodate keywords such as “ipod” which cannot be independent aural a argument advert. Although added adjustment and superior ascendancy could be in place, a pornographic angel for archetype could be fabricated to arise in an advertiser’s adverts unknowingly.

Text adverts aswell accept a broader bazaar appeal, as advertisers don’t about accept the in abode assets to actualize an angel advert, but do accept the in abode assets to address a argument advert. This could beggarly that a added arrangement of advertisers acquisition argument commercial accessible, through argument adverts getting beneath accountability on the advertiser, and getting simple to change.

Text adverts are aswell cheaper for the advertiser to create, area as a graphically advised advert may amount in balance of $200. Through removing this anchored amount advertisers may be accommodating to admeasure a college amount to commercial itself; appropriately benefiting the advertiser and the publisher.

Text commercial appears to be the alternative of the advertiser. They pay a CTR (click through rate) and alone accept targeted traffic. This removes risks from businesses that ahead had to anguish that adverts were not alone seen, but clicked on and aesthetic sales. As CPC (Cost Per Click) is added accordant to argument adverts, advertisers are able to accretion acknowledgment after defective a top bang through amount to be effective.

The big brands are accommodating to acquaint in both formats about the ample bazaar address of argument accordingly makes it the winner. As beam websites abandon with angel adverts, it is acceptable bright that argument and advice is the alternative of the website users.

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