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"polyethylene" - 29 õppematerjali

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Thermal treatment of physical properties of polyethylene

1 Thermal treatment of physical properties of polyethylene Märksõnad: polyethylene, thermal treatment, physical properties Otsiprofiilid: polyethylene AND thermal treatment polyethylene AND physical properties polyethylene AND properties polyethylene AND treatment polyethylene AND thermal AND treatment polyethylene AND physical AND properties 2.1.1 a) polyethylene AND thermal AND treatment: 1441 artiklit polyethylene AND physical AND properties: 7410 artiklit b) polyethylene AND thermal AND treatment: 143 artiklit kasutades Ei controlled terms Polyethylene AND physical AND properties: 866 artiklit kasutades Ei controlled terms 2.1.2 Malle Krunksile leidsin 60 artiklit 2.2 2.2.1 http://search.proquest.com/docview/230171400/13CC363D7D13127162A/1? accountid=28786 a) Jim Brown heads a management consulting firm, Tech-Clarity Inc. in Media, Pa. he also serves as the product lifecycle management specialist for the PLM Evaluation Center at Technology...

Keemiainformaatika
2 allalaadimist
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Infootsing raamatukogu andmebaasidest

1. Otsing andmebaasist Compendex Engineering Village platvormil. 2.1.1. a) Thermal treatment and physical properties and polyethylene b) ((((thermal treatment) WN All fields) AND ((physical properties) WN All fields)) AND ((polyethylene) WN All fields)) c) 200 artiklit d) Thermal treatment and physical properties and polyethylene e) (((((thermal treatment) WN CV) ) AND ((physical properties) WN CV) ) AND ((polyethylene) WN CV) ) f) 4 artiklit 2.1.2 a) 69 artiklit 2.2. Otsing andmebaasist ProQuest Science Journals. 2.2.1 a) Jim Brown heads a management consulting firm, Tech-Clarity Inc. in Media, Pa. b) Valisin advanced search. Sealt sisestasin otsiprofiili "Tools for all jobs" in Document title. Tegin linnukese full texti ette, autoriks kirjutasin "Jim Brown". Dokumendi tüübiks valisin Article. 2.2.2 a)...

Keemiainformaatika
5 allalaadimist
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Traapüük

103 Top Window Codend "BACOMA" 104 Wire scrape marks on flattened `soft' sediment with feeding trail mark evident. 105 106 107 108 109 Exhibit 7 Experimental Results Tricolor Elite Regular Type of Polyethylene High Tenacity % change Braided Netting Braided Gear Tension (kg) 3150 2,890 8.3% Door Spread (m) 35.4 37.3 +5.4% Wing Spread (m) 14.66 14.77 +0.8% Headline Height (m) 5.88 6.04 +2.7...

Kalapüügitehnika
35 allalaadimist
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Kosmeetikas kasutatavad vahendid

a klass Referaat Kosmeetikas kasutatavad vahendid Juhendaja: A. Õunapuu Tõrva 2010 Ohtlikud ained kosmeetikas Kreemipurke ja topsikuid uurides tasub teada, et koostisained on seal mahulises järjestuses. Vastavalt euronõuetele peavad koostisained olema kirjas mahu alanevas järjekorras, st. kõige suuremas koguses esindatud on nimetatud esimesena. Kui on vaja mõne keemilise ühendi lühem tähendus või eestikeelne vaste: ABRASIIV Eemaldab keha pinnalt mitmesuguseid materjale, hõlbustab hammaste mehaanilist puhastamist või annab neile parema läike. ABSORBENT Seob vees ja/või õlis lahustuvaid lahustunud või peendispersseid aineid. ANTIOKSÜDANT Pärsib hapniku toimel tekkivaid reaktsioone ja aitab selle abil vältida oksüdeerumist ja räästumist. ANTISTAATIK Vähendab staatilist elektrilaengut pindmiste laengute neutraliseer...

Keemia
53 allalaadimist
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Newfoundland & Labrador and Alberta

Industry Alberta is the largest producer of conventional crude oil, synthetic crude, natural gas and gas products in the country. Alberta is the world's 2nd largest exporter of natural gas and the 4th largest producer. Two of the largest producers of petrochemicals in North America are located in central and north central Alberta. In both Red Deer and Edmonton, world class polyethylene and vinyl manufacturers produce products shipped all over the world, and Edmonton's oil refineries provide the raw materials for a large petrochemical industry to the east of Edmonton. The Athabasca Oil Sands (sometimes known as the Athabasca Tar Sands) have estimated unconventional oil reserves approximately equal to the conventional oil reserves of the rest of the world, estimated to be 1.6 trillion barrels. With the development of new extraction methods such...

Inglise keel
2 allalaadimist
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Plakat mäesuuskadest

Making mountain skis · Although Estonia is geographically not best suited for mountain skiing, · The most common materials for the outer part of the skis are it is still quite popular. The largest market is perhaps in the United States, but also in mountainous parts of Europe. fiberglass, carbon fibers, or a type of epoxy. Polyethylene is the most · Throughout history, alpine skis have been made out of light wood, popular material used in the bottom part of modern skis. One of the usually hickory or ash, steel edges were introduced on the bottom for drawbacks of the polyethylene base is its softness, and with time the ski can...

Tehnomaterjalid
49 allalaadimist
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Presentatsioon mäesuuskadest

· Most common materials · The Manufacturing Process Different types · Laminated ­ most common · Torsionbox ­ more expensive · Singleshell lightest History · Light wood, usually hickory or ash · Depletion of inexpensive wood · Metal skis became common in the mid1950s · Aluminum bottom tends to freeze · Modern solutions Most common materials · Outer part of the skis fiberglass, carbon fibers, epoxy · Polyethylene in the bottom part · Coat of wax for maintaining polyethylene · Edges ­ steel, usally hard tempered The Manufacturing Process · Milling the core - the material is put through a mill for precise cutting and finishing · Assembling the layers - the core and layers, are placed into a mold and then into a press. Heat and pressure result in a rudimentary ski, then epoxy resin is used to seal the layers together...

Akadeemiline inglise keel
54 allalaadimist
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PE composite

Ajalugu Kui Saksa teadlane Hans von Pechmann 1898. aastal katseklaasi põhjast mingi veidra olluse avastas, polnud tal aimugi, et sellest saab eelkäija materjalile, millest sada aastat hiljem toodetakse sampoonipudeleid, salatikarpe ja juhtmeümbriseid. Hans von Pechmann oli üritanud kuumutada diasometaani ja saanud tulemuseks midagi valget ja vahajat. Täiesti juhuslikult oli ta valmistanud polüetüleeni, millest tänapäeval on saanud üks maailmas enimkasutatud materjale, vahendab Tartu Ülikooli tehnoloogiaportaal Novaator The Independenti. 1933. aasta 27. märtsil sünteesisid Eric Fawcett ja Reginald Gibson briti keemiakompanii ICI laboris selle uuesti. Nad katsetasid suure rõhu all olevate gaasidega ni...

Keemia ja materjaliõpetus
13 allalaadimist
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Hula Hoop

Hooping The past few years have seen the re- emergence of hula hooping, generally referred to as either "hoopdance" or simply "hooping" to distinguish it from the children's playform. An International Holiday World Hoop Day has become the hula hoop holiday celebrating the circle around the world. Many modern hoopers make their own hoops out of polyethylene tubing. They are much larger and heavier than hoops of the 1950s. The size and the weight of the hoop affects style of the hooper. Heavier, larger hoops are more often used for slow hooping and body tricks while lighter, thinner tubing is used for quick hand tricks. These hoops may be covered in a fabric or plastic tape to ease the amount of work in keeping a hoop twirling around the dancer, and can be very colorful. World records...

Inglise keel
4 allalaadimist
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Põhiliste plastide leiutamine ja ajalugu

com/sections/magazine/2007/mayimages/Galalith%20buttons.jpg (Alla laetud 9.11.2011.) [14] Kulu, P., Kübarsepp, J., Hendre, E., Metusala, T., Tapupere, O. Materjalid. (Loengukonspekt) Tallinna Tehnikaülikool, Tallinn, 2001. http://www.ene.ttu.ee/leonardo/materjalid/Materjalid.pdf (Alla laetud 9.11.2011.) [15] Bellis, M. Invention of Polystyrene and Styrofoam http://inventors.about.com/od/pstartinventions/a/styrofoam.htm (Alla laetud 9.11.2011.) [16] A Plastics Explosion - Polyethylene , Polypropylene, and Others. Packagingtoaday. http://www.packagingtoday.com/introplasticexplosion.htm (Alla laetud 8.11.2011.) [17] Bellis, M. Teflon. http://inventors.about.com/library/inventors/blteflon.htm (Alla laetud 8.11.2011.) [18] Polüetüleen. Veterinaar- ja toiduameti kodulehekülg. http://www.vet.agri.ee/static/body/files/881.Polyetyleen.pdf (Alla laetud 1.11.2011.) [19] Reiche, B. ,,Polly" ­ the All Star Plastic. Popular Mechanics, USA, 1949. [20] Mieszkowski, K...

Looduskaitsebioloogia
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Keemiatehnoloogia 3 K.T

Neid Nendest tuntuimad on polüetyleen, polüpropüleen, PVC konteinerite, pudelite vormimiseks. kasutatakse nii kõrgmolekulaarsete ühendite lahustitena ja polüstüreen; Polüpropüleen (PP) kui ka lisanditena kõrgtsetaansete diislikütuste 1. Väikese tihedusega PE (Low-density polyethylene , n CH2 = CHCH3 ................[- CH2 - CHCH3 - ]n tootmisel. Nitrobenseeni kasutatakse vaheproduktina LDPE) Sulamistemp. 175 C aniliinvärvide ja farmaatsiatööstuses. [- CH2 - CH2 - ] n Tänapaeval PP tootmiseks kasutatakse mitmeid...

Keemia ja säästev...
23 allalaadimist
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Keemiainformaatika 2

Individuaalne töö nr 2 2.1 Otsing andmebaasidest Compendex Engineering Village platvormil. 2.1.1 Leia kompleksotsinguga Quick Search artikleid teemal Thermal Treatment of physical properties of polyethylene . a) ,,All Field" leidsin 158 kirjet b) ,,Ei controlled terms" leidsin 1 kirje 2.1.2 Leia Tehnikaülikooli teaduri Malle Krunksi Artikleid andmebaasis Compendex. a) Leidsin 55 artiklit 2.2 Otsing andmebaasist ProQuest Science Journal 2.2.1 Leia Jim Browni artikkel Tools of jobs a) Jim Brown juhatab Tech-Clarity Inc. In Media, Pa. b) Kasutasin Basic Search otsingut, kuhu sisestasin artikli nime. Leidsin ühe artikli,...

Rekursiooni- ja...
12 allalaadimist
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Infootsing raamatukogu andmebaasidest

Ülesanne 2 Infootsing raamatukogu andmebaasidest 2.1. Otsing andmebaasist Compendex Engineering Village platvormil 2.1.1.Leia kompleksotsinguga Quick Search artikleid teemal Thermal treatment of physical properties of polyethylene a) otsivälju "All Fields" - leidsin 176 kirjet b) otsivälju "Ei controlled terms"- leidsin 4 kirjet 2.1.2. Leia Tehnikaülikooli teaduri Malle Krunksi artiklid andmebaasis Compendex a) mitu artiklit leidsid? Leidsin 59 artiklit 2.2. Otsing andmebaasist ProQuest Science Journals 2.2.1.Leia Jim Browni artikkel Tools for all jobs. a) Ava artikli täistekst ja leia, millist firmat Jim Brown juhatab - Tech-Clarity Inc...

Rekursiooni- ja...
16 allalaadimist
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Andmebaaside Compendex Engineering Village, ProQuest Science Journals, Science Direct, EBSCOhostWeb analüüs

HARJUTUSÜLESANNE 2.1. Otsing andmebaasist Compendex Engineering Village platvormil. Avalehel vali andmebaas Compendex - jäta linnuke kastikesse Compendex , teiste andmebaaside eest võta linnuke ära ja vaata, kuidas muutuvad otsiväljad otsivormingu paremas aknas. Tutvu andmebaasi ülesehituse ja otsivõimalustega: lihtotsing: Easy Search; kompleksotsing: Quick Search; tesaurus, indeksid:Thesaurus, Browse Indexes. Kui sisenesin andmebaasi, oli linnuke ees lisaks Compendex'ile Referex'il. Sellel juhul sai otsiprofiiliks olla ainult märksõnad (keyword), täpsustada sai ka autorit (author), pealkirja (title) ja publitseerijat (publisher). Samuti puudus võimalus täpsustada dokumenditüüpi (type of document), keelt (language) ja käsitluse tüüpi (type of treatment). Kui võtsin Referex'ilt linnukese eest, avanes otsiprofiilide sisestamiseks järgmine vaatepilt: Täpsustuse koha pealt selline vaatepilt: 2...

Algoritmid ja andmestruktuurid
14 allalaadimist
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SEEPIDE KOOSTIS NING VAHUTAVUSE VÕRDLEMINE

Lähte Ühisgümnaasium SEEPIDE KOOSTIS NING VAHUTAVUSE VÕRDLEMINE Uurimistöö Autor: Martin Amor 11T Juhendaja: õp. Malle Tiideberg Lähte 2013 SISUKOR MÕISTED......................................................................................................... 4 SISSEJUHATUS................................................................................................ 5 1. SEEBI AJALUGU........................................................................................... 6 2. SEEP........................................................................................................... 8 2.1. Emulgaatorid........................................................................................ 9 2.1.1. Kookoshape...

Keemia
16 allalaadimist
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Vaakumtoru

You may find that the male end of the elbow sticks out about 1/4" on the inside of the 4" pipe. To remedy this I sanded down the excess with a Dremel and sanding drum. However, you may wish to use a bench grinder or sander to remove the excess before installing. Leaving the extra threads protruding will make it difficult to put project material into the chamber, once assembled. 6. Cut the polyethylene tubing to length. It should be able to be fitted onto both barb fittings while as straight as possible as shown in the picture. This tube will serve as a solvent "sight tube". It will show you how high your solvent is inside your chamber. Attach a small hose clamp to each end to ensure a positive seal on the barbed ends. About the sight tube... The site tube is merely there to check the fluid level. It's helpful in that if you know how wide...

Füüsika
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Keskkonnaprobleemid, säästev areng, pakendid

10.2014 Pärnumaa Kutsehariduskeskus KESKKONNAPROBLEEMID SÄÄSTEV ARENG, AGENDA 21 ÖKOLOOGILINE JALAJÄLG PAKENDID JA ÖKOMÄRGISTUS, JÄÄTMED JA JÄÄTMEKÄITLUS Teksti kujundas Vello Paluoja 13.10.2014 Aino Juurikas - PKHK 1 13.10.2014 2 G. Raagmaa materjalidest 21. sajandi iseärasused 6nda Kondratjevi lain...

Keskkond
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Stratasys

MAIN POINTS History About the Company GrabCAD HISTORY Stratasys was founded in 1989, by S. Scott Crump and his wife Lisa Crump in Minnesota. IDEA ­ He decided to make a toy frog for his daughter using a glue gun loaded with mixture of polyethylene and candle wax. The shape was created layer by layer and he tought the way to automate the process. In April 1992 Stratasys sold its first product, the 3D Modeler. In January 1995, Stratasys employed 16 former IBM engineers. By the year 2007, Stratasys was the unit market leader for the sixth consecutive year. In January 2010, Stratasys signed an agreement with HP to manufacture HPbranded 3D printers. In August 2012, the agreement was discontinued....

Inglise keel
1 allalaadimist
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Ohtlikud ained kosmeetikatoodetes

Tavaline etoksüülitud koostisosa sisaldab naatrium laureth sulfaati ja polüetüleenglükooli (PEG). Selleks, et neid aineid vältida, ära 3 kasuta tooteid, mis sisaldavad selliseid koostisained: myreth, oleth, laureth, ceteareth (või mõni teine -eth), PEG, polyethylene , polyethylene glycol, polyoxyethylene või oxynol. Naftakeemia ehk mineraalõlid on saadud toornaftast. Naftapõhised koostisained on liquid paraffin, paraffin wax, petrolatum (saadud mitteuuenevatest looduslikest allikatest). Mineraalõlid, petrolaatum jt on kõrvalproduktid, mis saadakse petrooleumist bensiini valmistamisel. Kuna see on kõrvalprodukt ja seda saadakse alati väga suurtes kogustes, ei maksa see peaaegu mitte midagi ja seetõttu kasutavad seda enamus...

Iluteenindus
28 allalaadimist
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Liha töötlemine

, Publication Edition first published 2010 © 2010 Blackwell Publishing Blackwell Publishing was acquired by John Wiley & Sons in February 2007. Blackwell’s publishing program has been merged with Wiley’s global Scientific, Technical, and Medical business to form Wiley-Blackwell. Editorial Office 2121 State Avenue, Ames, Iowa 50014-8300, USA For details of our global editorial offices, for customer services, and for information about how to apply for permission to reuse the copyright material in this book, please see our website at www.wiley.com/ wiley-blackwell. Authorization to photocopy items for internal or personal use, or the internal or personal use of specific clients, is granted by Blackwell Publishing, provided that the base fee is paid directly to the Copyright Clearance Cent...

Inglise keel
21 allalaadimist


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