Saturday, November 30, 2019
Wireless Power Transmission Implication for the Environment
Wireless power involves the transmission of power without using wires or cords. Use of Wireless power transfer technology can lessen or eradicate the need for batteries and wires. Although wireless power has several benefits to the community and the environment, it, also, has negative implications.Advertising We will write a custom research paper sample on Wireless Power Transmission Implication for the Environment specifically for you for only $16.05 $11/page Learn More This paper will focus on some forms of wireless power transmission, as well as, negative and positive implications of wireless transmission for the environment. Nikola Tesla introduced the idea of wireless power transmission, in early 20th century. Tesla came up with the notion of electrostatic induction, which entails making exceedingly high potential and alternating variations amid two bits of metal using a tool similar to a Tesla coil. A field that is electric would be rotating back a nd forth liberating energy to be arrested by a receiver, among these metal bits. Tesla believed this could be valuable as it would be possible to move the lights anywhere without a cord. Besides, Tesla hypothesized that by structuring two vast Tesla coils, it would be possible to create this outcome in the entire world. Since then, many notions about the same have emerged, with resonant inductive coupling being the most potential technology. Resonant inductive coupling uses the basics of wave harmonics to form a strong connection of magnetic waves, which resonate at a similar frequency of harmonic magnetic waves, from 2 coils. Several studies reveal that this technology is extremely competent. Wireless power transmission can be used in many areas, where the wired power may be unsuitable. However, wireless power technology has many demerits, despite its many applications. Similar to wired power, wireless power has a restricted range.Advertising Looking for research paper on envi ronmental studies? Let's see if we can help you! Get your first paper with 15% OFF Learn More However, the range of wired power is clearly visible, since it becomes restricted by a chord, whereas the range of wireless power is not visible as it becomes revealed by a signal. The range of wireless power that gets created by resonant induction coupling can be established from the radius of the coil. High efficiency occurs near the coilââ¬â¢s radius. Besides, considering its 80% effectiveness, wireless power is less efficient than the usual wired systems. This is because a wireless system some power gets utilized in forming the magnetic field that relays the power from one coil to the other while in a wired system much of the power that becomes directed into a circuit gets to its destination (Glindogdu Afacan, 2011, July 26). Nevertheless, this loss of energy becomes compensated for because it is easy to notice when a tool no longer requires power. Hence, power can be switc hed off to save energy, while in a conventional system power will persist to be consumed after a tool gets charged wholly (Branscombe, 2009). A vast predicament with wireless power is that it might necessitate much exertion to establish. Wireless power infrastructure needs the source coils, for transmission, to be positioned near where the power needs to be relayed. Since most presently, manufactured tools become designed to utilize wired power, a noteworthy cost would occur in swapping from wired to wireless power. Nevertheless, the coils would be rather inexpensive to create since they just require a few loops of wire and a capacitor. Designing the coils would form the trickiest task, since they have to be adjusted to the right frequency relying on the distance of the wire, the amount of loops in the wire and the capacitor (Kurs, 2007, July 06). However, electrical engineers would not find such a task hard. Negative Implications of Wireless Power Transmission Similar to other new technologies, there exist costs allied with the gains that can result from utilizing wireless power. The chief concern for several persons, who get implicated in the formation of large scale execution, is that wireless power is somewhat new in regard to broad application and design.Advertising We will write a custom research paper sample on Wireless Power Transmission Implication for the Environment specifically for you for only $16.05 $11/page Learn More The key adversaries of wireless power are those implicated with mining of fossil fuel, battery power manufacture, and existing companies of electricity. These groups have an interest in maintaining customary wire power and restrict the construction of wireless power. The development of wireless power technology presents uncertainty, in regard to human health. The health effects of getting exposed to energy waves are currently in the period of research and require to be developed further ahead of mass f abrication of this source of energy. This is a key shortcoming that should get consideration when devising wireless power technology. Are the lives that get lost at present, more costly than the lives that are likely to be lost in prospect? Such hard questions are some of the solemn quandaries that technological scientists and regime officials will encounter, in prospect. From an environment perspective, we may argue that switching the world for wireless power, wholly, is likely to generate enormous quantities of waste in the shape of useless and obsolete electrical devices, as well as, utilize a vast amount of resources. This is because, at present, the infrastructure that is in use became planned for electrical outlets and wires. Such waste will certainly terminate in landfills. The waste further stays for about thousand of years before it degrades and leeches poisonous compounds into the soil. Some compounds that get used in electronics and poses environmental issues with electro nic waste include chromium, Phosphor, barium lead and mercury. Such compounds can be regarded as constant organic accumulators, since they remain in the environment and accrue inorganic tissues that lead to serious issues like reproductive disorders, nerve damage and cancer. Proponents against wireless power claim that enhancements should be conducted, on wireless power technology, to decrease waste that occurs during installation and maximize health benefits (Zhang et al., 2011, May 15).Advertising Looking for research paper on environmental studies? Let's see if we can help you! Get your first paper with 15% OFF Learn More Positive Implications of Wireless Power Transmission Utilizing wireless power for daily uses has vast latent environmental benefits. Energy costs will also reduce, saving homeowners untold amounts of income. Wireless power will substitute the utilization of batteries, which make landfills toxic, through their disposal. Discarding, into landfills, leads to environment poisoning and dilapidation. Massive volumes of formation are not the lone limitations of batteries. Batteries become flawed, incompetent and can be hazardous, when oxidized. Batteries erode gradually and leech poisonous acid and lead into soil, once batteries go through landfills. Hence, they have the latent to put toxic to water sources, in adjoining communities. Availing g wireless power, in the residents of most persons, will restrain the manufacture, utilization, and accretion of batteries and radically lessen the leeching of acid and lead into the soil, in prospect. Besides, energy outlays will lessen, saving homeo wners myriad quantities of income, through utilizing wireless power as a substitute to batteries and wires. Wireless power benefits related to effectiveness. Wireless power is apt to be more proficient than normal charging, with quick mechanisms that identify machines and screen levels of power, substituting compound adapters, and switching off the power when a machine becomes charged fully (Branscombe, 2009). Energy should be utilized with as much control as feasible, since it is a costly resource. Possessing an energy source that just utilizes the required power can make the most use of created energy. This decreases the reliance on fossil fuels, which is a prevalent concern, in this generation, ultimately. Eradicating tremendous energy utilization and lessening the use of energy, enables wireless power to turn into an environmentally logic technology that has the latent to be executed on some broad extent. For instance, a possible use of near region wireless power, on some broad extent, is the application for charging hybrid and electric vehicles. Rather than having a wired connection, for buses and cars, wireless expertise can be incorporated into bus terminus and parking places, letting charging to take place without connections and instantaneously. This may allow a flawless incorporation of electric and hybrid vehicles into viable use on a broad scale. For city bus structures, chiefly, wireless charging positions could be availed at each bus stop, eliminating the call for gasoline and diesel utilization, totally. This would have several benefits including decreasing servicing logistics, saving time and lessening the carbon footprints of every bus, because power could be produced electrically, unlike with the use of fossil fuels. Thus, wireless powerââ¬â¢s environmental implications are broad and extensive, although the moral benefits, also, expand to health benefits. The health deliberations of wireless power transmission contain the latent to change how medical implants, home care and hospitals function, totally. Hence, invention of wireless power transmission is a significant asset, since the technology and design may be executed, in hospitals globally, to abolish the utilization of defective batteries and messy wires. At present, home care and Medical implants depend on batteries and grid power, entirely, thus, limiting patients to wires and incessant substitution gadgets. Availing wireless power at homes librates patients from their therapeutic circumstance, entirely, through letting power to be provided, remotely, from just walking close to the power supplier (Hickey, 2011, July 11). As stated earlier, not having to restore devices because of battery run-down demonstrates the diminution of risks like diseases, infections and invasive surgeries. Moreover, Wireless power has the latent to sustain hundreds of persons, each year, through lessening the amount of deaths allied with wiring and issues, at the home environs includin g electrical shocks and burns (Barrett, 2004). Wireless power has potential to reduce the amount of deaths, at home settings, since it eradicates wires and electrical outlets. Thus, wireless power has the latent to benefit millions of persons regarding health benefits. From a moral stance, we should seek to know whether it would be ethically justified to adopt a technology that can save hundreds of lives, despite the demerits associated with wireless power technology. In conclusion, it is apparent that although wireless power transmission has negative implications on human health and environment, power transmission through resonant inductive coupling can be beneficial to the public if it became used in electrics at home. Wireless power technology can substitute disposable wires and batteries, thus, lessening hazardous chemicals and the possibility for poisoning societies, from an environmental perspective. Besides, resonant inductive coupling possesââ¬â¢ health advantages and wit h no use of cords life would grow to be easy, as a person would not need to keep on carrying the cords. Besides, wireless power may help lessen the damage that the current, power infrastructure introduces to the environment. In addition, risks associated with customary wires become immaterial. An additional benefit is the implausible convenience created by having all an individualââ¬â¢s electronics charged and powered with no wires. This implies that an individualââ¬â¢s movement will not be restricted, when charging devices. However, some people doubt the applicability of wireless power. Several industries produce the electronic parts that should be substituted with inductive resonance expertise. Besides, a number of researchers think that it is unsafe for human beings to contact magnetic fields, which become used in the resonant inductive coupling. A different large shortcoming is the intricacy and vast cost of introducing and executing the wireless power structure, since mos t presently, generated consumer electronics lack the essential parts. The moral implications of wireless power include negative consequences on humanity. Moral tensions arise when considering environmental patronage and human health into the execution of tentative and new wireless power technology. Opponents and advocates exist on both dimensions of this subject, and all introduce a mass of concerns and dilemmas to consider. Wireless power has the latent to affect each person who utilizes any electric power. Hence, transmission of wireless power is an invasive and contemporary subject of interest for the entire public. The demerits of wireless power become overshadowed by the merits. Hence, from a moral stance, it is crucial to expand the technology of wireless power to the position of large-scale production, for the advancement of the community. References Barrett, M. (2004). Analysis of electrical accidents in UK domestic properties. Web. Branscombe, M. (2009). Wireless powerâ⬠â¢s 2009 debut. Web. Glindogdu, A. E. Afacan, E. (2011). Some experiments related to wireless power transmission. IEEE Xplore, 1, 507-509. Hickey , H. (2011). Wireless power could cut cord for patients with implanted heart pumps. Web. Kurs, A. (2007). Wireless power transfer via strongly coupled magnetic resonances. Web. Zhang, F., Hackworth, S. A., Fu, W., Li, C., Mao, Z., Sun, M. (2011). Relay effect of wireless power transfer using strongly coupled magnetic resonances. IEEE Xplore, 47(5), 1478-1481. This research paper on Wireless Power Transmission Implication for the Environment was written and submitted by user Maya Pierce to help you with your own studies. You are free to use it for research and reference purposes in order to write your own paper; however, you must cite it accordingly. You can donate your paper here.
Tuesday, November 26, 2019
Face Culture in China
'Face' Culture in China Although in the West we talk about ââ¬Å"saving faceâ⬠on occasion, the concept of ââ¬Å"faceâ⬠(é ¢Ã¥ is far more deeply-rooted in China, and itââ¬â¢s something youââ¬â¢ll hear people talk about all the time. What Is 'Face'? Just like in the English expression ââ¬Å"saving face,â⬠the ââ¬Å"faceâ⬠weââ¬â¢re talking about here isnââ¬â¢t a literal face. Rather, itââ¬â¢s a metaphor for a personââ¬â¢s reputation amongst their peers. So, for example, if you hear it said that someone ââ¬Å"has face,â⬠that means that they have a good reputation. Someone who doesnââ¬â¢t have face is someone who has a very bad reputation. Common Expressions Involving 'Face' Having face (æÅ"â°Ã© ¢Ã¥ ): Having a good reputation or good social standing. Not having face (æ ² ¡Ã© ¢Ã¥ ): Not having a good reputation or having bad social standing. Giving face (ç »â¢Ã© ¢Ã¥ ): Giving deference to someone in order to improve their standing or reputation, or to pay homage to their superior reputation or standing. Losing face (ä ¸ ¢Ã¨â ¸): Losing social status or hurting oneââ¬â¢s reputation. Not wanting face (ä ¸ è ¦ è⠸): Acting shamelessly in a way that suggests one doesnââ¬â¢t care about oneââ¬â¢s own reputation. 'Face' in Chinese Society Although there are obviously exceptions, in general, Chinese society is quite conscious of hierarchy and reputation among social groups. People who have good reputations can buoy the social standing of others by ââ¬Å"giving them faceâ⬠in various ways. At school, for example, if a popular child chooses to play or do a project with a new student whoââ¬â¢s not well known, the popular child is giving the new student face, and improving their reputation and social standing within the group. Similarly, if a child tries to join a group thatââ¬â¢s popular and is rebuffed, they will have lost face. Obviously, a consciousness of reputation is quite common in the West as well, especially among particular social groups. The difference in China may be that itââ¬â¢s frequently and openly discussed and that there is no real ââ¬Å"brown-noserâ⬠stigma associated with actively pursuing improving oneââ¬â¢s own standing and reputation the way there sometimes is in the West. Because of the importance thatââ¬â¢s placed on the maintenance of face, some of Chinaââ¬â¢s most common and most cutting insults also revolve around the concept. ââ¬Å"What a loss of face!â⬠is a common exclamation from the crowd whenever someone is making a fool of themselves or doing something they shouldnââ¬â¢t, and if someone says that you donââ¬â¢t even want face (ä ¸ è ¦ è⠸), then you know that they have a very low opinion of you indeed. 'Face' in Chinese Business Culture One of the most obvious ways in which this plays out is the avoidance of public criticism in all but the direst of circumstances. Where in a Western business meeting a boss might criticize an employeeââ¬â¢s proposal, for example, direct criticism would be uncommon in a Chinese business meeting because it would cause the person being criticized to lose face. Criticism, when it must be, is generally passed along in private so that the criticized partyââ¬â¢s reputation will not be hurt. It is also common to express criticism indirectly by simply avoiding or redirecting discussion of something rather than acknowledging or agreeing with it. If you make a pitch in a meeting and a Chinese colleague says, ââ¬Å"Thatââ¬â¢s very interesting and worth consideringâ⬠but then changes the subject, chances are they didnââ¬â¢t find your idea interesting at all. Theyââ¬â¢re just trying to help you save face. Since much of Chinaââ¬â¢s business culture is based on personal relationships (guanxi å⦠³Ã§ ³ »), giving face is also a tool that is frequently used in making inroads into new social circles. If you can get the endorsement of one particular person of high social standing, that personââ¬â¢s approval and standing within their peer group can ââ¬Å"giveâ⬠you the ââ¬Å"faceâ⬠that you need to be more broadly accepted by their peers.
Friday, November 22, 2019
The 7 Base Units of the Metric System
The 7 Base Units of the Metric System The metric system is a framework of units of measurement that has grown from its 1874 birth in a diplomatic treaty to the more modern General Conference on Weights and Measures, or CGPM (Conferà ©rence Gà ©nà ©rale des Poids et Measures). The modern system is properly called the International System of Units, or SI, an abbreviation from the French Le Systà ¨me International dUnità ©s. Today, most people use the names metric and SI interchangeably. The 7 Base Metric Units The metric system is the main system of measurement units used in science. Each unit is considered to be dimensionally independent of the others. These dimensions are measurements of length, mass, time, electric current, temperature, amount of a substance, and luminous intensity. Here are definitions of the seven base units: Length: Meter (m) The meter is the metric unit of length. Its defined as the length of the path light travels in a vacuum during 1/299,792,458 of a second.Mass: Kilogram (kg) The kilogram is the metric unit of mass. Its the mass of the international prototype of the kilogram: a standard platinum/iridium 1 kg mass housed near Paris at the International Bureau of Weights and Measures (BIPM).Time: Second (s) The basic unit of time is the second. The second is defined as the duration of 9,192,631,770 oscillations of radiation corresponding to the transition between the two hyperfine levels of cesium-133.Electric current: Ampere (A) The basic unit of electric current is the ampere. The ampere is defined as the constant current that, if maintained in two infinitely long straight parallel conductors with a negligible circular cross-section and placed 1 m apart in a vacuum, would produce a force between the conductors equal to 2 x 10-7 newtons per meter of length.Temperature: Kelvin (K) The Kelvin is the unit of thermodynamic temperature. It is the fraction 1/273.16 of the thermodynamic temperature of the triple point of water. The Kelvin scale is an absolute scale, so there is no degree.ââ¬â¹ Amount of a Substance: Mole (mol) The mole is defined as the amount of a substance that contains as many entities as there are atoms in 0.012 kilograms of carbon-12. When the mole unit is used, the entities must be specified. For example, the entities may be atoms, molecules, ions, electrons, cows, houses, or anything else.Luminous Intensity: candela (cd) The unit of luminous intensity, or light, is the candela. The candela is the luminous intensity, in a given direction, of a source emitting monochromatic radiation of frequency 540 x 1012 hertz with radiant intensity in that direction of 1/683 watt per steradian. These definitions are actually methods to realize the unit. Each realization was created with a unique, sound theoretical base to generate reproducible and accurate results. Other Important Metric Units In addition to the seven base units, other metric units are commonly used: Liter (L) While the metric unit of volume is the cubic meter, m3, the most commonly used unit is the liter. A liter is equal in volume to one cubic decimeter, dm 3, which is a cube that is 0.1 m on each side.Angstrom (Ãâ¦) One angstrom equals 10-8 cm or 10-10 m. Named for Anders Jonas Ãâ¦ngstrom, the unit is used to measure the chemical bond length and electromagnetic radiation wavelength.Cubic centimeter (cm3) A cubic centimeter is a common unità used to measure solid volume. The corresponding unit for liquid volume is the milliliter (mL), which is equal to one cubic centimeter.
Wednesday, November 20, 2019
Reports on Microbe and Antimicrobial Agent Essay
Reports on Microbe and Antimicrobial Agent - Essay Example In smears of exudates, Candida appears as a gram positive, oval budding yeast, 2-3 x 4-6 micrometer, gram positive, elongated budding cells in chains, or true hyphae. On Sabouraudââ¬â¢s agar incubated at room temperature, soft, cream-colored colonies with a yeasty odor develop. The surface growth consists of oval budding cells. The submerged growth consists of pseudomycelium. This is composed of pseudohyphae that form blastoconidia at the nodes and sometimes chlamydoconidia terminally. Among the principal predisposing factors to Candida infection are the following: diabetes mellitus, general debility, immunodeficiency, indwelling urinary or intravenous catheters, intravenous opioid abuse, administration of antimicrobials, and corticosteroids. A. Mouth: Infection of the mouth (thrush) occurs-mainly in infants and in AIDS patients-on the Buccal mucous membranes and appears as white adherent patches consisting largely of pseudomycelium and desquamated epithelium, with only minimal erosion of the membrane. Growth of Candida in the mouth is enhanced by corticosteroids, antibiotics, high levels of glucose, and immunodeficiency. B. Female Genitalia: Vulvovaginitis resembles thrush but produces irritation, intense itching, and discharge. Loss of an acid pH in the vagina predisposes to candidal vulvovaginitis. Acid pH is normally maintained by the bacterial flora in the vagina. Diabetes, pregnancy, progesterone, and antibiotic therapy predispose to disease. C. Skin: Infection of the skin occurs principally in moist, warm parts of the body, such as the axilla, intergluteal folds, groin, or inframammary folds; it is most common in obese and diabetic individuals. The infected areas become red and weeping and may develop vesicles. E. Lungs and other organs: Candida infections may be a secondary invader of lungs, kidneys, and other organs where a preexisting disease is present (eg, tuberculosis or cancer).
Tuesday, November 19, 2019
CIS 273 7,8,9 questions Assignment Example | Topics and Well Written Essays - 500 words - 1
CIS 273 7,8,9 questions - Assignment Example I choose it because of its ability to display multiple media sources of elements such as and . Events, properties and methods for the element are a definition of the document object model (DOM) by HTML5. C) For the case of the muted audio file, predictable problem would be a missing plugin solved through manual installation or the code on the web page works only with a specific browser such as Internet Explorer. B) Taking a travel site as an example, the element in HTML5 comes with several attributes. The control attribute adds controls like volume, pause, and play the audio files will be of significance when it comes to passing information and communication to tourists. The src attribute is a specification of the audio fileââ¬â¢s URL. The autoplay attribute is a specification of playing the audio file automatically as soon as it is ready; after loading. The src attribute ensures the audio file is readily accessible, and the autoplay attribute saves time to play an audio file manually. A) The IE settings for shadow filter are not a match to other proprietary properties, and this is why even after the addition of the filter failure is an outcome. A solution to this is will be fiddling with the filter value settings until you find a matching solution. B) There is more freedom on mobile browsers than desktop browsers, and when it comes to mobile websites, an advantage is from the HTML5 and CSS3 support. The WebKit engine gives support to the latter hence the graphical elements still remain intact and in place; no elimination. A) The travel website in reference makes use of external script files by the use of the element and the use of conditional comments inside the document to validate usage for Internet Explorer 9. The head section contains the title that loads a display on the browser for the user with links to external script files. A) Attribute minimization applies to using an
Saturday, November 16, 2019
Mutual Fund Project Essay Example for Free
Mutual Fund Project Essay The fund employs a passive management investment approach. It is a low cost way to gain diversified exposure to the equity market in the United States. The fund invests in 500 of the largest companies in the United States. The companies span many different industries and the fund accounts for about 75% of the United States stock marketââ¬â¢s value. VFINX measures the investment return of large-capitalization stocks. The most obvious risk is the volatility that comes with its full exposure to the stock market. The mutual fund portfolioââ¬â¢s composition is made up of 99. 45% stocks and . 55% cash. The expense ratio for this mutual fund is . 17%. This is the annual fee that shareholders are charged. It expresses the percentage of assets deducted each fiscal year for fund expenses, including 12b-1 fees, management fees, administrative fees, operating costs, and all other asset-based costs incurred by the fund. For the Year-to-Date (ytd) rankings in its category, VFINX ranked in at 24 according to Yahoo! Finance. Over the last 10 years, the fund has performed in direct correlation to the Samp;P 500 being that it is an index fund and there is a beta of 1, meaning that whatever the Samp;P 500 does, the fund will do as well. VFINX is a good choice if an investor is seeking a mutual fund that offers the stability of large, established companies and the wide exposure of a fund that holds both value and growth stocks. Fidelity Magellan Fund (FMAGX) has ridden the ups and downs over the years of the marketââ¬â¢s roller coaster. The fund has gone through many changes over the years and one of the most important key factors to the fundââ¬â¢s performance has been related to the way it was managed. The fund currently has assets totaling 14. billion and its portfolio consists of growth and value stocks across the capitalization spectrum from around the world and the United States. The fund keeps about 20 percent of the holdings in foreign stocks. It is one of the worldââ¬â¢s most known actively managed funds and has finally found some stability due to its newest manager, Harry Lange. In 2008, during the financial crisis, the management chose to stay aggressive instead of investing defensively and incurred a bad loss, which lead to the changes in management. FMAGX is classified as a large growth fund and is ranked 24 in its category according to Yahoo! Finance. The 3-year beta is 1. 7, which means that it bears more risk than investing directly in the Samp;P 500, however this also means that it could provide heftier returns. The mutual fund portfolioââ¬â¢s composition
Thursday, November 14, 2019
Christopher Columbus vs. Alvez Nunez Cabeza de Vaca Essay -- American
Christopher Columbus and Alvez Nunez Cabeza de Vaca were both explorers for Spain, but under different rulers and different times. The more famous, Christopher Columbus, came before de Vacaââ¬â¢s time. Columbus sailed a series of four voyages between 1492 and 1504 in search for a route to Asia which led accidentally to his discovery of new land inhabited with Indians. Christopher sailed under the Spanish monarchs, Ferdinand and Isabella for his journey to the ââ¬Å"Indies,â⬠whom he was loyal to by claiming everything in their name. De Vaca , followed in Christopherââ¬â¢s footsteps and journeyed to Hispanionola for Spainââ¬â¢s emperor, Charlves V, the grandson of Ferdinand and Isabella. Both, Columbus and de Vaca composed a series of letters addressing the main issue of their journey to the new land, but both were expressed in a different manner, included different material, and were motivated to write for dissimilar reasons. Columbusââ¬â¢ and de Vacaââ¬â¢s purposes to compose letters are quite divergent. Christopher Columbusââ¬â¢ main objective in his Letter to Ferdinand and Isabella Regarding the Fourth Voyage, was to list his unnoticed accomplishments, justly sufferings, and devotion in order for the monarchs to save him. He had his heart set on Ferdinand and Isabellaââ¬â¢s pity to obtain their permission to go to Rome and other places of pilgrimage. In Columbusââ¬â¢ ââ¬Å"Letter to Ferdinand and Isabella Regarding the Fourth Voyage,â⬠Columbus had the intention to please his majesty by claiming his ââ¬Å"[pure devot...
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