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Conventional LEDs have been used for indication and display applications for several decades. The inherent benefits of LED technology are well-known and documented, and include, maintenance and power savings, as well as performance features that are taken for granted by electronics-savvy consumers such as durability, reliability, led strip light kit longer life span, and consistent color and brightness levels. These benefits, combined with society's growing environmental concerns and subsequent demand for green, energy-efficient products, have continued to drive the development of LEDs for challenging new industries and markets, such as general illumination for commercial and residential buildings. With the escalating demand for solid-state lighting, LED manufacturers are motivated to develop high-lumen LEDs while LED lighting companies are working hard to integrate the latest technology into retrofit packages and luminaries. However, new perspectives may be necessary for people to adopt LED technology as an illumination source in new installations, or incorporate LED technology in existing light fixtures.

Are LEDs suitable for commercial and residential lighting applications?

LEDs are arguably the most energy-efficient light source available. Case in point, LEDs have created upwards of 80 percent energy savings in the traffic signal industry. However, in this application, the LEDs had two natural advantages:

1. LEDs are monochromatic, so almost all of the light generated is used. In contrast, the white light generated by an incandescent bulb needs to transmit through a colored filter. Light outside of the frequency of the colored lens is wasted.

2. LEDs are directional, so almost all of the light generated was emitted towards the lens. In contrast, light from an incandescent bulb needed to be reflected toward the lens, resulting in loss of efficiency.

Commercial and residential lighting applications stand to gain similar, if not more, energy-savings by converting to LEDs. However, most applications are not as straight-forward as stuffing a PC board with a bunch of directional red, amber or green LEDs. LED light fixtures and retrofit packages have to be designed to distribute the directional light generated by the LED over wide areas. Moreover, white LED technology, while continuously improving, does not yet have the optical color and brightness that consumers have become accustomed to with incandescent lights. However, the power savings can be significant, for example, in California the energy commission has adopted efficiency standards for residential and commercial buildings. These standards, Title 24, have accelerated development of LED illumination technology.

Why LEDs are not in your house?

Unlike incandescent bulbs, high-power LEDs cannot be simply plugged into a wall socket. Several companies are working to overcome the technological and economic challenges by developing LED light fixtures and retrofit LED lighting products using high-power LEDs. Thermal management, complex drive circuitry, optics, and packaging are challenging hurdles for developers to contend with. There are also educational barriers to overcome in the development of commercial LED illumination products. Getting users to adopt new types of fixtures, understand the illumination characteristics of LEDs, choose the appropriate viewing angle for a given application, select the appropriate intensity for a given application, and understand the limitations of LED color temperatures are pivotal to developing the market for LED technology in commercial and residential lighting.

Thermal Challenges

For the past couple of centuries, traditional luminaries have consisted of a light bulb and lamp socket that enables consumers to continually replace bulbs that have burned out. Whether it is an incandescent, compact fluorescent or fluorescent light bulb, it will simply screw or drop into an industry-standard socket and the luminary will continue to be operational. A few LED lighting companies have developed high-flux LED bulbs that retrofit into existing sockets; but this approach is less than ideal. For example, a traditional light bulb socket provides a very poor thermal path for cooling an LED light source. Incandescent light bulbs are basically heaters that produces visible light, and the socket it is screwed into is designed to protect the lamp base and wiring from that heat. With high-power LEDs, most of the wattage consumed is converted to heat and, if it can't be dissipated through the lamp socket, will dramatically shorten the LED life.

Complex Drive Circuitry

To protect the LED from degradation factors, such as heat and voltage spikes, the drive circuitry design is critical. Ideally, LED circuit designs should be tailored to the specifics of the application because mechanical and economic constraints make it difficult to design a "catch-all" circuit. Most LED indication or lighting designs operate from a high voltage AC power source. Since LEDs are DC-driven, utilizing a specific AC to DC power supply to achieve a DC source voltage is often the most cost-efficient and reliable LED lighting solution. To ensure efficient LED operation, DC-to-DC LED driver circuitry may also be required in conjunction with the primary power supply. In addition to providing the necessary power and protection from current fluctuations, LED drive circuitry also generates heat - adding to the thermal management challenge. And, generally, the greater the volume of light that is required, the more LEDs are needed, leading to more complex the circuitry, packaging challenges, higher heat flux, etc.

As is the case with automobile and home lighting systems, LED lighting systems for saltwater aquariums have become very popular among aquarists over the last few years. These systems have some very good points to them, especially if you invest in a quality light strip. But there are also some issues to be aware of when using LED lighting in your aquarium.ul led strip light

The Benefits of LED Lighting for Aquariums

LED lighting systems are more cost effective in two ways. First, an LED bulb provides seven to eight times more wattage per bulb than other types of aquarium lighting, such as halide and T5HO bulbs. What this means is that you get the same amount of light from a 30 watt LED bulb as you will see from a 250 watt halide bulb. This can create a significant savings on your monthly electric bill. Second, LEDs can last up to 50,000 hours. Although you pay more initially for the LED bulb, you may not have to replace it for seven years, as compared with the yearly cost of replacement of a T5HO or halide bulb. The LED aquarium lighting system packs all these savings into a small space, because LED systems are more compact than other aquarium lighting.

The quality of the LED lighting is also a great reason to invest in this system. LED aquarium lighting can deliver up to 10,000K of lighting, which is enough to stimulate growth in corals and aquarium plants. Also, you have a wide variety of choices in colors with an LED system. When this is combined with computer programming, it can create an aquarium that either shimmers like it is located in the ocean, or the lighting accentuates the colors of the fish and corals for an extraordinary show.

What to Look for in an LED Aquarium Light

One aspect of a good LED aquarium lighting system to look for is whether or not it has a way to cool itself off in order to extend the life of the LED bulbs. This cooling can either be passive or active. The Maxspect Razor R420R uses an aerodynamic design to naturally draw cooler air from beneath the system and through the slim body of the fixture to passively cool the lights. In the case of the Ecotech Marine XR30w Pro Gen3 model, a fan is built into the center of the light strip to provide necessary cooling for the LEDs.

Another item to look for when choosing an LED light fixture is the spectrum range of the lights. You want your system to provide the entire light spectrum your plants, animals, and corals need in order to thrive as if they were in their natural habitat. In the case of the AquaIllumination AI Hydra FiftyTwo LED System, your aquarium organisms can receive a full spectrum of light that is greater than visible light. If you feel that might be a bit much for your setup, AquaIllumination also makes an AI Hydra TwentySix LED system, which has half the bulbs of the FiftyTwo model, but still uses 80 degree lenses to spread the light to best advantage, as well as providing 90 percent LED optical efficiency.

Things to Avoid When Using LED Aquarium Lights

There are a few things you need to be aware of before setting up your own LED lighting in your aquarium. Heat is one item. Although LED lights do not release nearly as much heat into an aquarium system as metal halides or T5HO bulbs do, they are susceptible to reduced lifespan in the presence of heat. Therefore, LEDs should not be used next to halides, fluorescent, or T5HO bulbs, because of the exposure to heat.

Do not get your LED system wet. Although aquarium LED systems are water resistant, they can't take being dropped into the aquarium. The result will be corrosion and shorting of the circuit board. You also need to control the mineral deposits that can develop on LED light systems for the same reason. Marine aquarium salts can corrode your light system, unless the salts are cleaned off regularly.



羽奇营销(羽奇是品牌中文名) facebook 廣告經銷商 facebook 廣告代理商




隨著Facebook Audience Network現在每月超過10億人,社交媒體平台在營銷人員中越來越受歡












在發布帖子後,立即將鏈接發送給您的團隊,並要求每個人“喜歡”並與朋友分享。這樣,您的帖子將獲得提高Facebook廣告點擊率所需的第一個“贊”。更多“喜歡” =更多信譽=更多點=更多詳情諮詢:







快速進行Facebook廣告活動檢查的最佳方法是使用Facebook Ads Manager。您將能夠看到三個重要的廣告系列指標:




























6.創建A / B測試

如果您不確定哪種類型的標題,圖片或廣告文案效果最好,可以通過一種簡單的方法來找出。通過創建Facebook廣告A / B測試,您可以比較多個廣告版本的結果並相應地優化廣告系列。








一項針對37,259個Facebook廣告的研究發現,大多數公司的畫廊中只有一個廣告。使用單個廣告不允許您為受眾群體進行自定義,發現哪些標題效果更好,應該使用更多廣告圖像等等。您進行的A / B測試次數越多,您在廣告上花費很少或沒有的花費就越少潛在。














如果您在Facebook中創建自定義受眾並希望定位訪問過您博客或其他網頁的用戶,則需要首先安Facebook Pixel。然後,在“自定義受眾”功能中選擇“網絡流量”。您的選擇包括定位:








我們最近與Scoro進行了一項小型測試,以了解表情符號是否對Facebook帖子的點擊率和參與率有影響。完全披露:我們沒有10,000次以上的展示或足夠的點擊次數來說明此A / B測試在統計上是100%有意義的。認為這是一個有趣的測試,可以復制。











創建A / B測試以查看有效的方法。





Yuki Surprise,又名羽奇营销,前身是香港本土数字营销工作室,运作4年后才在2020年正式成立公司,已服务上千人次。羽奇营销秉持專業鑄就品質的信念,堅定成為香港最優社交媒體優化平台。自成立以來,我們強大的專家團隊已與各領域企業開展深度合作,通過先進刷量技術和定制解決方案為客戶提供最專業的社交媒體營銷服務,有效優化企業社交媒體形象並提高權重及轉化。



羽奇营销(羽奇是品牌中文名) facebook 廣告經銷商 facebook 廣告代理商






如何完成 Facebook 商務管理平台公司驗證?

如何完成在 Facebook 申請認證徽章?


獲取 Facebook 官方支持的最佳方案

如何完成設定 Instagram 商業賬號



如何在商務管理平台 BM 中分享資產?


廣告主如何關聯商務管理平台 BM?

01 在廣告賬戶及商務管理平台上啟用雙重驗證

為什麼廣告賬戶及商務管理平台需要雙重驗證?此機制是 Facebook 為廣告賬戶提供的額外安全性保障,避免賬戶被黑客攻擊或他人盜用。設置雙重驗證不但可以更好地確保個人賬戶安全,也是企業賬戶及平台穩定運營不可或缺的基礎法門!





手機短信 (SMS) 驗證碼

02 Facebook 商務管理平台公司驗證








03 如何在 Facebook 申請認證徽章?







04 申請約會白名單







05 通過官方代理商設定 Instagram 商業賬號

要如何通過官方代理商開始在 INS 上投放廣告?

若想在Instagram上投放廣告或從事業務行為,第一步必須與Facebook官方代理商羽奇將Instagram賬戶設置為“業務賬戶”。 Instagram 業務帳戶提供多種功能和設置,可幫助商家拓展營銷範圍、提高銷量及維繫消費者關係,為主頁添加地址信息和聯繫按鈕,更可方便用戶直接聯繫。


透過羽奇直接由 Instagram 界面設置業務賬戶


06 獲取 Facebook 官方支持的最佳方案


當大家遇到日常投放問題時,必定心急如焚希望立即解決。但片段式的溝通與信息,並不能有效地回應您所遇到的難題。 Facebook有完整的自助問題解決渠道、幫助中心及支持中文的在線客服,提供24小時的申訴與解答。在利用以上渠道後,仍未能解決問題時,可以提供完整的ID、問題說明、操作截屏等信息與Facebook業務代表聯繫,進行進一步排查。





07 什麼是廣告主頁上限?

Facebook針對每個公共主頁投放中或審核中的廣告設置了數量限制。 2021 年 2 月 16 日開始就生效了。不同規模的廣告主設置了四個廣告數量層級。





Facebook 針對每個公共主頁設置一個單獨的廣告數量上限,該公共主頁所有投放中或審核中的廣告,無論其出自哪個帳戶,都會計入公共主頁的廣告數量上限。


08 每日花費限額

為了給用戶和品牌營造一個安全可信的平台環境,Facebook引入了動態單日花費上限 (DDSL)的措施。




審核需要大約 1 至 2 個工作日。


09 如何在商務管理平台 Business Manager 中分享資產?

一個商務管理平台 BM 有5大功能:

一級代理分享廣告賬號到廣告主的商務管理平台 BM 當中。




接入Marketing API。


商務管理平台 BM 受限 (Restricted)怎麼辦?商務管理平台內部申訴。




10 通過Facebook官方代理商羽奇,廣告賬戶開戶流程及注意事項?




開戶主體和廣告賬戶需要綁定的商務管理平台 BM 主體必須一致。

開戶表格填寫的網站、app、Facebook 粉絲頁必須和投放的一致,如廣告賬戶需要投放多個 app 或多個網站,請在開戶信息中一併填寫,開戶後不能更改。


有直客經理服務的客戶,如有新主體或新商務管理平台 BM 投入使用,請聯繫對應的直客經理及羽奇解決。

11 廣告主如何關聯商務管理平台 BM?

當廣告主進入直客管理名單後,如何給商務管理平台 BM 加多一層保護,避免被封而影響投放:向客戶經理申請,綁定商務管理平台 BM和公司主體。



Yuki Surprise,又名羽奇营销,前身是香港本土数字营销工作室,运作4年后才在2020年正式成立公司,已服务上千人次。羽奇营销秉持專業鑄就品質的信念,堅定成為香港最優社交媒體優化平台。自成立以來,我們強大的專家團隊已與各領域企業開展深度合作,通過先進刷量技術和定制解決方案為客戶提供最專業的社交媒體營銷服務,有效優化企業社交媒體形象並提高權重及轉化。

Hot water is a necessity for carrying out many activities like bathing, washing dishes and laundry. Traditionally water is heated through electric or gas-powered systems. solar mounting system  These methods are not only harmful to the environment but also account for costly electric bills. Even though gas-powered systems are cheaper than electric ones, they still contribute to harmful carbon emissions. One alternative method which not only lets you save on your bills but is as green as you can get is a solar power heater. It involves harnessing solar power to heat water. That is right, solar power systems can not only be used to produce electricity but heat water for day-to-day use as well. Solar power can help you in minimizing your energy use and it is perfectly safe for the environment. You cannot expect a solar water heater to deliver hot water every time, however. Since production of hot water through solar power can be affected by weather, a typical solar water heater can be used in conjunction with other heaters. This ensures that you have a continuous supply of hot water for the whole day.

How can you heat up water with solar power?

First of all, you need to install a solar power system which can harness solar energy. For hot water production you will require a system of solar collectors connected with water containers. Solar collectors can create heat from sunlight and then use it to heat up the water. There are different methods of installing a solar water heater system. Each of them works well in certain conditions.

Active solar water heating systems

These are further classified into two sub-categories:

>> Direct circulation systems - water is circulated through collectors with the use of a pump. This system is efficient for places which have a warm climate.

>> Indirect circulation systems - this system is essentially used in places where climates are colder and can hit freezing temperatures. Here a non-freezing fluid is circulated through collectors. This fluid transfers heat to a heat exchanger which in turn heats the water.

Passive solar water heating systems

While these systems are less efficient than active ones, they are cheaper as well. These systems last longer and are more reliable. They are of two types as well.

Integral collector storage passive systems - in this system the collectors are positioned around a tank and water warms up steadily inside.

In a solar thermosiphon system the water tank and solar collector are two separate components. Water moves around on its own inside tubes. Warm water rises up while cold water comes down. Solar collectors are placed below the level of the tank.

Home solar power systems are becoming increasingly popular with California residents recently. There are many reasons why getting residential solar power makes sense, especially for people who live in California. solar mounting system

California Climate

Although California is known as the Golden State because of its association with the discovery of gold in 1848, it could apply equally as well to how much sunshine the state gets. California solar energy companies are making use of an extremely plentiful natural resource - sunshine. California averages between 180 to 290 sunny days per year. California solar energy just makes sense because of the climate and weather patterns of the region.

Bill Reduction

Another reason why having a solar power system is crucial for California homeowners is to help reduce monthly energy costs. With the recession still in full swing, having a solar power system to help reduce your energy expense could make a huge financial difference with month to month budgeting. California solar energy companies have extensively researched the power savings possible by purchasing a solar power system for the home. They have found that the cost of the system is usually completely recouped in the fifth year of operating a home on solar power energy.

Protection against Inflation

In addition to reducing monthly bill costs, solar energy systems can also help to protect homeowners from the annual inflation of energy costs in the future. Once the solar energy systems initial investment has been recovered in savings, the money you no longer pay for electricity piles up in your bank account. Each year that passes increases the cumulative savings created by your home solar power system. Over time, utility costs will rise ever higher as traditional methods of acquiring power get more expensive. Having a solar energy system installed on a home will protect homeowners from the effects of inflation over time.

Eco-Friendly Living

The world is definitely starting to show the effects of the population living lives of consumption. Because of this, many people have chosen to live a more environmentally friendly lifestyle. Installing a residential solar power system is a great way to cut back on a homeowner's environmental impact. Instead of using the planet's natural resources such as coal or oil for power, a home solar power system uses the unlimited power of the sun. This source of power is also completely pollution free and offers homeowners the chance to live completely off the grid as they learn to be self-sufficient in their homes. Traditional sources of power are limited and will one day be extremely expensive or entirely unavailable.

Tax Credits

Another reason why California homeowners may choose solar power systems is because of the government's tax incentives. Green technology such as solar is being encouraged by the government to help cut down on pollution levels as well as to help increase California's supply of power. California solar energy systems installed will benefit homeowners with tax credits which can help to offset the initial costs of installing the system. In some cases, any additional power that is collected with solar panels can also be sold back to power companies which can help to offset the initial investment even further.

Green living is a very strong trend right now that is likely to grow even more as people awaken to the damage being done to the planet. Solar energy can help to prevent any further damage being done and offers homeowners a range of additional financial benefits as well.

Kurios Energy is a Central Valley and Bay Area focused company that helps California homeowners convert to solar energy. The company offers a free solar evaluation and financing to help ease the transition to the new energy source. They specialize in helping residential homeowners and commercial & industrial businesses make smarter, more efficient alternative energy choices, and achieve energy

When I first started off as a freelance writer, my biggest confusion was pricing. I used to see the competition on the online marketplaces and see the bidding wars. What if I charge more and lose the project? What if I am undercharging and losing out on good money? The uncertainties were large and confusing. I researched and also asked a number of my freelancing friends. I came across a number of pricing models - per word pricing, per page pricing, hourly pricing, etc. 

I believe that any pricing model can be right only and only if you find it to be comfortable. After a project delivery, sit back and look at the cheque you received. Does that cheque justify the time and effort you took to deliver this project? Many times your answer will be yes and that means you are doing things right. Don't be greedy. Look at things from the correct perspective and make this decision. Workopp

If you are not happy and you come to the conclusion that you are finding yourself compromising in your pricing just so that you get more projects then that's where you should stop and rethink. You should decide for yourself the best pricing model that will suit your needs. I cannot make that decision for you but I will share with you one of the custom models I made for myself to deal with the problem.

Once I gained experience and learned the ropes of freelancing, just enough to survive, I realized I was working more for much less. I had to make some adjustments to my pricing model. I was spending too much time in churning out more articles but the pay I was getting did not justify. If you have a fulltime job and you write part time, then you might not feel the pinch as much. But when you have decided to make freelance writing a fulltime career then you need to pull up your socks.

I drew up a custom pricing model for my project needs. This pricing model is combines the best of the different pricing models that I came across and a few tweaks from my end. I call it the 'CreativeBug Pricing Tracker' named after my venture with the same name. This model cum tracker is still evolving and I will keep customizing it as it goes. This might not be the best model for determining pricing of small projects but is useful when it comes to large project pricing.

The benefit of following the CreativeBug model is that it allows you to quantify your time which is a major pain for writers. How to make allowances for time and how to determine an hourly rate? You need not be very good with math to work this model. This will help you set monthly targets and start earning revenues that justify your efforts. I will discuss this pricing model in my next article in this series.

Referring to the Internet and World Wide Web as a "Grand Marketplace" certainly is not an understatement. Over the course of the past decade, the Net has become awash in an amazing amount of commercial transactions of all types. One of the more significant develops involves the growing number of people who are turning to the Net in order to engage service providers of different types. Entering onto this lively stage is a variety of different online websites that maintain useful resources for people seeking to find reputable and reliable services providers of different types. Work Marketplace for Freelancing

While an ever growing number of people can be found turning to the Net in order to purchase products and to engage services of all types, finding reliable and reputable service providers can pose a challenge in some instances. The fact is that until the introduction of reliable sites that provide useful resources for people seeking to engage service providers of different types onto the Net, a person interested in hiring a service provider of one type of another had to end up spending a significant amount of (wasted) time surfing the Net to find what he or she was looking for in the way of professional assistance.

Of course, if you are like any one of these people in need of some sort of professional service provider, you may have dreaded the prospect of logging on to the Net to seek and (hopefully) find what you were looking for in the way of appropriate services and reputable assistance. Thanks to the creative crew behind these various sites that do offer concrete and reliable resources through which you can engage services providers of all types, this problem has been solved for you.

At these types of reputable sites you will find a full array of different types of service providers that stand ready, willing and able to provide you the professional assistance that you require. Whether you are seeking a web designer or a pro to assist you with your auto's maintenance needs - or something else in between - you literally will be able to find it all at these websites discussed in this article

The people behind these sites recognize that you have only a limited amount of time to find the professional services you need. Therefore, in addition to making sure that you are able to access a complete array of different types of services at these websites, these sites have been designed with you in mind. By this it is meant that these sites are extremely user friendly. Unlike many sites, you will not have to spend an undue amount of your very valuable time trying to figure out how these websites work in the first place. Rather, thanks to the user friendly design of these sites, you will be able to dive right in and begin to pick and chose from amongst the reputable and reliable professionals who are participating at this comprehensive, incomparable website.

Finally, unlike some other operators on the Net, these sites usually charge you nothing - nothing - to post the project you need completed. Unlike these other websites running today, you do not have to toss out a handful of cash in hopes that an honest, reputable and reliable service provider might nab a hold of it. In other words, you do not have to spend any of your hard earned money in order to engage the most capable professional around to provide you the precise services that you require.


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Keywords: 灰指甲治療藥, 灰指甲治療






灰指甲的危害2外在表現為顏色變黃或變黑,使指甲失去吸引力3生理上,灰指甲發展到嚴重程度會引起患者的痛苦4心理上,會使患者自卑、缺乏安全感,影響正常生活;此外,灰指甲的治療週期長,也給患者帶來了一定的負擔。 END注意擦保護膜:擦指甲油前先塗一層保護膜,防止指甲變黃。不要用鹼性洗液:洗手、洗碗、洗衣時最好不要用鹼性洗液,會傷害皮膚。




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