Friday, November 8, 2019
OBJECT Essays - Food And Drink, Chemistry, Fruit Juice, Biochemistry
OBJECT Essays - Food And Drink, Chemistry, Fruit Juice, Biochemistry OBJECT Inhibition of Polyphenol Oxidase activity in Apple by using some natural and synthetic anti browning agents . REQUIREMENTS Acidic fruit juices (pineapple, orange, lime, lemon ) 1% Salt solution 1% HCL solution 1% NAOH solution Tap water Apple slice s THEORY E nzymatic browning is one of the most important reactions that occur in fruits and vegetables, usually resulting in negative effects on color, taste, flavor, and nutritional value. The reaction is a consequence of phenolic compounds' oxidation by polyphenol oxidase (PPO), which triggers the generation of dark pigments. This is particularly relevant for apples, which are rich in polyphenols and highly su sceptible to enzymatic browning. In plant cells, phenolic compounds are located in the vacuoles, whereas polyphenol oxidase ( PPO) is located in plastids. Damaged areas in cells allow the contact between PPO and phenolic compounds, triggering the reaction known as enzymatic browning. Examples of beneficial enzymatic browning: Developing color and flavor in Coffee, Cocoa beans, and tea. Developing color and flavor in dried fruit such as figs and raisins. Examples of non-beneficial enzymatic browning: A non-desirable enzymatic browning reaction is involved in the formation of brown spots on the peel of bananas ,avocados,apples and potatoes Polyphenols - main components in enzymatic browning Polyphenols , also called phenolic compounds, are group of chemical substances present in plants (fruits, vegetables) which play an important role during enzymatic browning, because they are substrates for the browning-enzymes. Phenolic compoun ds are responsible for the colo r of many plants, such as apples, they are part of the taste and flavo r of beverages (apple juice, tea), and are important anti-oxidants in plants. Polyphenols are normally complex organic substances, which contain more than one phenol group (carbolic acid): Polyphenol oxidase (PPO ) Polyphenoloxidases are a class of enzymes that were first discovered in mushrooms and are widely distributed in nature. They appear to reside in the plastids and chloroplasts of plants, although freely existing in the cytoplasm of senesci ng or ripening plants. Polypheno loxidase is thought to play an important role in the resistance of plants to microbial and viral infections and to adverse climatic conditions. Polyphenoloxidase also occurs in animals and is thought to increase disease resistance in insects and crustaceans. In the presence of oxygen from air, the enzyme catalyzes the first steps in thebiochemicalconversion of phenolics to produce quinones, which undergo further polymerization to yield dark, insoluble polymers referred to as melanins . These melanin form barriers and have antimicrobial properties which prevent the spread of infection or bruis ing in plant tissues. Example of a general reaction of polyphenols by Polyphenol Oxidases that catalyzes enzymatic browning. The production of Quinones undergoes more reactions which eventually form brown pigments on the surface of fruits and vegetable. PREVENTION OF ENZYMATIC BROWNING The control of the enzymatic browning is of great importance to the horticulture industry, because this reaction occurs in many fruits and vegetables, often negatively affecting the attributes of color, taste, flavor, and nutritional value. It is estimated that more than 50% of fruit market losses ar e a result of enzymatic browning . Researchers are especially interested in studying the control (inhibition) of browning by different methods that can be employed to maximize this inhibition and ultimately pr olong the shelf l ife of commodity.Several methods can be applied to avoid enzymatic browning, based on inactivating the enzyme (heat) or by removing essential components (m ost often oxygen) from the product Blanching is a short heat treatment to destroy or inactivate enzymes before freezing of prod ucts (mainly vegetables). The enzyme activity is pH dependent. Lowering of the pH to 4.0 by the addition of citric,ascorbicor otheracidsinhibits the enzyme activity. Addition of chemical inhibitors like acidulants ,chelating agents, reducing agents may also directly react with enzyme and substrate or change the product composition . METHOD Cut one apple into small thin slices in such way that its pulp portion is exposed to our reagent . Separately place an apple slice in petri dishes and labeled them . With natural anti browning agent, in four samples out of all, squeeze some suitable amount of fresh fruit juices on apple slice. With the synthetic browning agent, firstly prepare solutions
Wednesday, November 6, 2019
How To Get Started With Twitter Video Marketing - CoSchedule Blog
How To Get Started With Twitter Video Marketing Blog Thereââ¬â¢s a lot of talk about social media video these days. However, sometimes Twitter gets overshadowed in that discussion by Facebook and other rivals. Thatââ¬â¢s a shame, because the platform has done a lot to create new opportunities for social video marketing. If Twitter is keeping pace with social media video trends, then marketers and content creators should be too. In this post, weââ¬â¢ll cover: How to shoot and upload Twitter video. Which types of Twitter video content perform best. How to schedule video tweets along with your other content. Think you dont have video skills? No problem. Youll feel like the next Spielberg by the time were done. How To Get Started With Twitter Video MarketingTo help with your video projects, download our free video script template: Why Does Twitter Video Matter? Video content is gaining steam on social media. That includes on Twitter. A 2015 report from Twitterà confirmed some interesting statistics: 82% of users watch video on Twitter 90% of those views happen on a mobile device 41% of users think Twitter is a great place to find video content That should settle any skepticism. Despite these stats, not all brands are creating Twitter content. That means more opportunity for you to stand out. Did you know 82% of users watch video on Twitter? How To Create Twitter Video Content There are three ways to create video content on Twitter: Shooting video in-app using Twitter Video. Directly uploading video files. Sharing video links from YouTube (and other video sharing services). Letââ¬â¢s walk through how each method works. How To Shoot Video Using The Mobile App Shooting video directly in the Twitter mobile app is simple. Hereââ¬â¢s how it works: 1. Download the Twitter mobile app (iOS or Android). 2. Open a new tweet window and press the camera icon: 3. Next, select the video camera icon: 4. Then, hold down the button to record your video: Once youââ¬â¢ve shot your video, youââ¬â¢ll be able to upload it directly to Twitter. These screenshots were taken on an Android device. However, the steps are the same for iOS users (the icons just look slightly different). For further details and in-app video editing direction, check out Twitterââ¬â¢s help documentation. How To Import Video From Your Phone Importing video from your phone to Twitter is easy, too. 1. Open a new tweet window and select your video: 2. Next, youââ¬â¢ll have an opportunity to edit your video: 3. Finally, write your post copy and publish your video: How To Direct Upload Video Files To Twitter What if you have a video file you want to share on Twitter? Thatââ¬â¢s easy enough as well. On Mobile 1. Open a new Tweet window. 2. Select your video from your available media: 3. Write your message and publish your video tweet. On Desktop 1. Open a new tweet window and click the camera button: 2. Find a video file to upload: 3. If your video is longer than 2:20, youââ¬â¢ll need to edit it down. Fortunately, Twitter makes it easy to select which portion of your video youââ¬â¢d like to post. Click and drag the blue tab left or right to make your selection: 4. Write your tweet and publish it. That's it! What About YouTube Links? Videos directly uploaded to Twitter look awesome. However, chances are youââ¬â¢ll want to share YouTube links, too. No problem. YouTube videos look great on Twitter as well, and you donââ¬â¢t need to do anything more than paste your URL. Hereââ¬â¢s what the live tweet looks like: Clicking the thumbnail then expands the video player: Recommended Reading: Introducing Social Video from What Are The Proââ¬â¢s And Conââ¬â¢s Of Video On Twitter? Twitter's mobile appà has cool applications for shooting video in the moment. If your video is already created though, you have a choice to make. Should you upload it to YouTube, and then paste the link in a tweet? Or should you upload your video file directly? It depends.à Before making a decision, youââ¬â¢ll need to weighà some pros and cons. What Are Twitterââ¬â¢s Technical Requirements For Video? What Equipment Do I Need To Succeed? You just need a phone or a camera, right? Sure, thatââ¬â¢s a start. But what about mics? And what kind of camera? Does it matter if you have an iPhone or Android device? Letââ¬â¢s run through your options. iPhone Vs. Android: The Eternal Debate If you plan on shooting mobile video, either iPhone or Android smart phone will work. Windows phone users canââ¬â¢t shoot in-app video, but you can always use your phoneââ¬â¢s video camera, and then upload the file via the Twitter app. How Can I Get Better Sound? Smartphone mics are decent enough for basic purposes. If you want better audio quality though, external microphones can help. There are also some simple tactics you can employ. This video from StoryGuide offers an excellent primer on improving smartphone audio recording quality: Got The Coffee Shakes? Get Yourself A Tripod. If youââ¬â¢re handholding your phone while shooting video, some shakiness is inevitable. For those times you need a steady shot, though, a tripod can help. A search for ââ¬Å"smartphone tripodâ⬠on Amazon gets more than 500 results, ranging in price to fit your budget (disclaimer: Amazon didnââ¬â¢t pay us anything for this link). What About Editing Software? If you plan on editing your videos outside the Twitter app, and then uploading them later, youââ¬â¢ll need editing software. Windows Movie Maker (Windows) and iMovie (Mac/iOS) are both more than good enough for basic needs. Recommended Reading: How To Do The Best Content Marketing On A Limited Budget Which Types Of Marketing Videos Should I Shoot For Twitter? Now weââ¬â¢re ready to actually shoot some videos. But, what kind of video will you create? We have some ideas to share. How-To Videos How-to videos are essential for any content marketing video strategy. Twitter is no exception. Shoot videos that quickly show people how to do something useful. Check out this video from Home Depot: A Smarter Home makes life easier more enjoyable. Here are 2 easy projects to get started. https://t.co/KxbKIgp0LE pic.twitter.com/0npqitB6jG - The Home Depot (@HomeDepot) August 31, 2016 Product Demonstration Videos Video is key for helping customers do product research. If you have a new product line, service, or feature, shoot a quick video showing how it works. Hereââ¬â¢s an excellent example from Google: Capture and share VR photos with #CardboardCamera, now on iOS as well as Android. https://t.co/H4muxNBCSD pic.twitter.com/RFpcVMIyPx - Google VR (@googlevr) September 12, 2016 Culture Videos People love getting behind-the-scenes looks into brands they enjoy. It humanizes your product and helps people build a connection with who you are, and what you do. Twitter for Video is perfect for capturing candid moments around the office. Thatââ¬â¢s what online retailer RealTruck.com did when they held their own ââ¬Å"Office Olympicsâ⬠: Recap video of our office Olympics. Fun was had by all! https://t.co/GEb5WLavxP - RealTruck Culture (@RTCultureTeam) August 25, 2016 Recruiting Videos What is it like to work for your company? Show people! Thatââ¬â¢s what Amazon did in this example: Have you ever wondered what it is like to work for Amazon as a Software Development Engineer (SDE) ? VIDEO https://t.co/D5aITyVUZC #awscloud - Amazon Careers Dub (@AmazonDublin) July 12, 2016 Response Videos Social media is important for customer service. In fact, some brands are even using video to respond to customers. Next time you get a tweet from a customer, shoot a quick video response. It gives your communication a personal touch, and the extra effort will be appreciated. Promotional Videos If you have a sale or promotion, draw attention with a video. Hereââ¬â¢s how Gamestop did just that: Enter the latest @GameStop promotion to win cool Gears prizes! #MyGearsMoment #Sweepstakes pic.twitter.com/jOPPuU3FTT - Rod Fergusson (@GearsViking) September 2, 2016 Shout Out Videos Do you have a partner or cause you want to shout out? Do it with a video. Take a cue from Zappos here: Happy Birthday to the National Park Service! ðŸ⠯ðŸ â Get out there and #FindYourPark!#NPS100https://t.co/qDS4K68Fvl - Zappos (@zappos) August 25, 2016 Interview Videos Contact an influencer or subject matter expert, interview them, and get it on video. Then, share a clip on Twitter. Watch how Mention pulled this off: We asked 5 top influencersâÅ" ¨1 BIG marketing question. Watch 🎠¥ full video here: https://t.co/3SqpkIgopz #mktg pic.twitter.com/XkLiOocJvc - Mention (@Mention) September 12, 2016 Event Videos If youââ¬â¢re hosting an event or attending a conference, shoot a video and show people. Hereââ¬â¢s one from Idealist: Had a great time at the @Idealist Grad Fair last night! How about you?!? #gradschool #goals https://t.co/ThWHlf74by pic.twitter.com/iLQB4jPMFn - Idealist Careers (@IdealistCareers) September 9, 2016 Wait, How Did You Embed Those Twitter Videos? Every video above has been embedded from Twitter.à Here's how to embed Twitter video content yourself. How To Embed A Tweet With A YouTube Link 1. Find a video tweet you'd like to embed: 2. Then, click the ellipsis and select Embed Tweet: 3. Copy the embed code and paste it into your content's HTML: 4.à If you're embedding your tweet into WordPress, paste the code where you'd like in the Text editor: 5. And here's what the end result looks like: In case you missed it! #FutureofMarketing for the #StateofInbound with @larrykim and @JoannaLord https://t.co/7LJMm92KGw - WordStream (@WordStream) September 13, 2016 How To Embed A Tweet With Native Twitter Video The process is mostly the same here. The only difference is you can choose to either embed the entire tweet (video, text, and links), or just the video: Here's what this video looks like on its own: Just checking out our applications new video feature. pic.twitter.com/zAKpoAzq6N - Brock (@BrockGAzure) September 13, 2016 Recommended Reading: How To Develop A Winning Social Media Content Strategy (Free Template) How Can I Create Better Videos For Twitter? We'll defer to Twitter themselves for this one with this handy infographic: Recommended Reading: How To Write Like A Journalist To Be A Better Marketing Storyteller How To Use Social Media Analytics To Create The Best Content How To Generate Better Social Media Campaign Ideas Like A Creative Genius Publish Twitter Videos With Social Video From Did you know you can schedule and publish Twitter videos in ? Weà launched our Social Video feature just last week. Itââ¬â¢s something weââ¬â¢re really excited about, and should make creating and scheduling video tweets a whole lot easier. Hereââ¬â¢s how it works:
Monday, November 4, 2019
American Recovery Act Essay Example | Topics and Well Written Essays - 1000 words
American Recovery Act - Essay Example Facts about the Act The act was developed by the Congress for fulfilling three most important goals of the country. The primary goal was to generate job opportunities within the country and at the same time perform activities for safeguarding the job opportunities that exist. The second important goal of the act was to encourage present activities for the betterment of the economy and also to invest for activities aimed at future long-term economic growth in the country. The third goal of the act was to promote ââ¬Ëabove standardââ¬â¢ levels of responsibility along with transparency in expenses of the government. The act intended to achieve its goals through provision of 288 billion Dollars to several business houses and families in the form of tax reduction sand benefits. The act also fostered provision of 224 billion dollars in the form of employment benefits and various other privileged programs. Furthermore, it was aimed to make available 275 billion dollars for the federal dealings, funding and loans. The act even made it mandatory that the individuals, families and businesses which receive recovery funds should report their mode of operating with the funds on a quarterly basis (Recovery, 2011). It is worth mentioning that despite of these wise objectives the act failed to secure the interest of the economy (Wagner, 2010). Effectiveness of the Recovery Act Wagner (2010) identified an important reason behind the failure of the Recovery Act. According to him, Keynesian multipliers have acted as stimulus towards transforming the act into a ââ¬Ëfailureââ¬â¢. The architects of the Recovery Act made use of the basic algebra to anticipate creation of job through the fiscal stimulus of the period 2009/2010. The fiscal stimulus through Keynesian multiplier is effective in providing momentary control in the economy during periods of excessive unemployment. The author downgraded the Keynesian economics on the basis of the fact that these mechanisms assist in measuring the unemployment rate but fails to recognize and apply means to put the unemployed persons back to work (Wagner, 2010). The theoretical aspect described in the above section can be supported through practical evidences from the unemployment facts of the country after the implementation of the Recovery Act 2009. The rate of unemployment of US during the month of August for the year 2009 stood at 9.7%. This percentage figure was the highest within a period of 26 years in the history of the country. The payrolls of the country declined by 6.9 million after the US economy had to face the recession which started its reign during December 2007. The Recovery Act was unable to halt the falling rate of employment that continued to decrease during the recession and reached to 14.9 million in 2009. Although the rate of decline in payrolls was below anticipation, the rate of unemployment grew up to a level which was more than the anticipated margin. In most of the sectors of the e conomy, the payroll was observed to decline except that in the sector of healthcare. The amount of total working hours in the economy also decreased by 0.3% in the same year i.e. 2009. The situation of long-run employment was even measured to have worsened than the previous years. These scenarios of employment during the year 2009, when the government took the initiative of passing the act determines a clean picture of its failure to fulfill its fundamental
Friday, November 1, 2019
Reasons for the failure of the hundred days reform in 1898 (History of Essay
Reasons for the failure of the hundred days reform in 1898 (History of China) - Essay Example In 1895, Shimonoseki mortifying treaty inflamed the anger of Chinaââ¬â¢s public. Students took an action against this agreement and around 600 young students signed a ââ¬ËTen Thousand Words Memorialââ¬â¢ refusing Shimonoseki treaty and promoted institutional reform. Kang Youwei was the leader. Regardless of the official and traditional ban against the political grouping, young scholars shaped an organization called hsueh-hui to save the country. After 1895, many loyal societies of this type emerged. These societies were extended over the provinces and were struggling to save their homeland. Emperor Guangxu and Kang Youwei were brought together, as both had the same motive to save their homeland from the enemies and unfaithful leaders.1 At that time there was a great threat posed to the people and the country of China and to settle the situation they needed a revolution. China was lacking in every field i.e. of technology and education. Technology was outdated in China and to compete with the developing world there was a need to change and adapt the conditions of the developing world. In the late 18th century countries started demanding China of un-authorized benefits which they had to give to them as they were not strong enough to fight with them. The emperors did not take this matter seriously until 1898 when Emperor Guangxu realized the significance of this threat and took some precautionary measures in order to avoid any mishap which could occur. He was a man who realized that the country needed to adapt to the changing conditions of the world and leave behind the traditions and culture which limited them in progressing. On June 11, 1898 the Emperor finally decided to announce for a change in the country of China. This change was first welcomed by the masses and people of China. The emperor tried to implement policies of his own which gave a new way of progress to China. This article would further
Wednesday, October 30, 2019
Outsourcing Management Essay Example | Topics and Well Written Essays - 3750 words
Outsourcing Management - Essay Example Currently Information Systems (IS) Outsourcing Management it's a familiar concept that all of us have already heard something about. The Big Boom of IS Outsourcing Management started with the "Kodak Effect". Outsourcing Management of Information Systems it is a reality since 1963 when "Ross Perot with his company Electronic Data Systems signed an agreement with Blue Cross of Pennsylvania for the handling of its data processing services". (Dibbern, 6)The cases of IS outsourcing continued thought the years until 1980s when Kodak have made a successful " strategic alliance" with is IS partners led by IBM, DEC and Business Land to outsource its information systems. From this moment on no longer was possible to say that "IS is strategic and hence cannot be turned over to a third party ", because if Kodak a renowned company who considered IS to be a strategic asset and was outsourcing it in a successful way, then others could follow the same steps. This really happened like for example wit h: General Dynamics, JP Morgan, BP, and many others around the world. (Dibbern, 07)The following are a list of the three main types of outsourcing management.Total Outsourcing All operations have been contracted to another provider. This is common in generic, non-strategic businesses like food or janitorial services.Partial Outsourcingà This is when certain activities are kept in house such as customer service while other more specialized activities are sourced out. Plants and telecom offices would typically engage in this type of outsourcing.
Monday, October 28, 2019
View from the bridge Essay Example for Free
View from the bridge Essay The first presentations of the pair highlight it already with Eddie coming in from work and Catherine calling to Beatrice who is working in the kitchen. [Calling to the kitchen] Hes here, B.! This immediately emphasises the roles and stereotypes of The womens place is in the kitchen. Which obviously Miller wanted to present. Miller further presents the masculine and feminine roles with Beatrice, once hearing that her cousins are arriving that evening, panics about the appearance of the home. I didnt even buy a new tablecloth; I was gonna wash the walls - I was gonna wax the floors, [she stands disturbed] Miller emphasise Beatrices frenzy to highlight the role of women in that time even more to the degree that the male role, [Eddie] has to come in and save the day. Youre savin their lives, whatre you worrying about the tablecloth? Its an honour, B. Suppose my father didnt come to this country and I was starvin like them over there and I has people in America could keep me a couple of months? The man would be honoured to lend me a place to sleep. Beatrice then wells up with tears, complementing Eddie with angel; Godll bless you; you get a blessing for this! This shows that Eddie is the one who knows how to straighten things up in home and put things back into order. The role of a male. Beatrice and Catherine lay and dish out the meal then once the meal has finished, clear and wash the dishes, All whilst Eddie sits down and watched the work been done. This is very typical of the 1950s men and women roles and Miller plays with them, making the masculine role more evident and solid. When Beatrice and Eddie are together there is sometimes an air of tension which appears in imply that there is lack of sex in the relationship. [There is a slight pause and Eddie turns to Beatrice who has been avoiding his gaze] Eddie: What are you mad at me lately? Beatrice: Whos mad? Eddie: What worries you got? Beatrice: when am I gonna be a wife again, Eddie? This shows that the relationship between the two isnt as strong as a married couple should be. Eddie isnt living up to his expectations of a man, and giving Beatrice the feeling of being a complete wife. Eddie replies with I aint been feeling good. They bother me since they came Beatrice then fires back saying that the cousins have only been there for a couple of weeks where as Eddie hasnt been feeling good for three months. Eddie then retreats to himself with I dont know B; I dont want to talk about it. Eddie doesnt want to make an effort with trying to resolve this. He doesnt want to make an effort with Beatrice and he doesnt want to make an effort with the relationship. This can be said be a male trait, that when theres trouble with the missus, the first reaction is to avoid the situation and shut off. Through this way Miller presents another illustration of masculinity. When it comes to Catherine it is realised that Eddie takes quite an interest in her. With her appearance, behaviour and general relationship, making an effort to keep her under his wing, and when this starts to go wrong, he fights harder and harder to keep her there through different ways. Its already seen in the beginning in the play that Eddie is very concerned with Catherine through her dressing. I think its too short he says about a dress. I dont like the looks theyre givin you in the candy store. And with them new high heels on the sidewalk- clack, clack, clack. The heads are turnin like windmills These remarks express the way a father figure would say, which is thought about Eddie at first, and these comments are only looked at in an overprotective way. But as the play goes on, and situations arise that make Eddie to express his unlawful, latent love for Catherine, Eddie becomes more protective and aware of Catherines actions. For example when Eddie relises that there is obviously chemistry between Rooldfo and Catherine, he tells her to go take off her heels, causing her embarresment and looking small infront of Roldofo. Whats the high heels for, Garbo? I figured for tonight- Do me a favour, will you? Go ahead.
Saturday, October 26, 2019
J.B. Priestleys Play An Inspector Calls :: Priestley Inspector Calls Essays
J.B. Priestley's Play "An Inspector Calls" "Why shouldn't they try for higher wages? We try for the highest possible prices. And I don't see why she should have been sacked". Eric to Mr Birling says this. Eric is drawing a comparison between the Upper class owners, and the lower class workers. Eric can see the comparison between Mr Birling trying to do the best for him, and the workers doing the same for themselves and their families. Mr Birling won't allow these sentiments, however, and sees them as a bad attitude. One can assume that this attitude is a general reflection of the attitudes held by older generation of the upper classes in 1912 as portrayed in 'An Inspector Calls', when it is set, with Mr and Mrs Birling representing the older generation of the upper class. 'An Inspector Calls' is primarily focused on he attitudes surrounding the higher classes in 1912, and how these attitudes can lead to actions with potentially devastating consequences. The attitudes are particularly aimed at women, especially those of working class status. In the play women are portrayed as second class citizens, after men. However the difference (e.g. in independence) between upper class men and women is greater than that of working class men and women. Many women living alone and supporting themselves (for example by working in factories- like Mr Birling's) and their families demonstrate this, whereas the upper class women are totally dependent on their husbands for money and accommodation. The play shows that the treatment of working class women is degrading. For example it portrays the assumptions that the working class women who are jobless are quite willing to turn to prostitution. "Have you any idea what happened to her after that? Get into trouble? Go on the streets?" Mr Birling assumes that working class woman, like Eva Smith, get into trouble regularly, and if they are fired, they turn to prostitution quickly. This shows that the attitudes are totally different between upper class and working class women. Working class women are seen as easy virtue, and whores, whilst the upper class 'virgin maidens' are almost untouchable in their purity. The upper class girls are treated with respect, and are on the whole protected. "I think you ought to go to bed now, and forget this absurd business" Mr and Mrs Birling want to protect Sheila from the horrors of affairs. However in the Edwardian society there were upper class men, who were abusive, and over domineering. For example Alderman Meggarty who tried to harass not only Eva Smith (who was working class) but a girl that Sheila knew, who must be upper class, because Sheila would only socialise in upper
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