Ilona Juhanson, 123964YASB 5.1 Kirk, R., Othmer, D. Encyclopedia of Chemical Technology a) Kohaviit: TE 66/K-48 riiuli number: 422-421 b) Artikkel: “Electrically conductive polymers” c) Köide: 9 lk: 61 d) Electrically conductive polymers, definitsioon: Electrically conductive polymers are composed of conjugated polymer chains with π-electrons delocalized along the backbone. In the neutral, or undoped, form the polymers are either insulating or semiconducting. The polymers are converted to the electrically conductive, or doped, forms via oxidation or reduction which form delocalized charge carriers. The conductivity is electronic in nature and no current ion motion occurs in the solid state. 5.2 Encyclopedia of Inorganic Chemistry a) Kohaviit: TE 546/E-54 riiuli number: 303 b) Physical properties of Bismuth Aatommass: 208,98 amü. Sulamistemperatuur: 271⁰C Keemistemperatuur: 1560⁰C
5. HARJUTUSÜLESANNE 5.1. KIRK, R., OTHMER, D. ENCYCLOPEDIA OF CHEMICAL TECHNOLOGY a) Kohaviit: TE 66/K48 Riiuli nr: 421, 422 b) Leia artikkel teemal "Electrically conductive polymers". c) Köide: 9 lk: 61 d) Esita elektrijuhtivate polümeeride (electrically conductive polymers) lühike definitsioon (võib olla inglise keeles): Electrically conductive polymers are composed of conjugated polymer chains with -electrons delocalized along the backbone. In the neutral, or undoped, form the polymers are either insulating or semiconducting. The polymers are converted to the electrically conductive, or doped, forms via oxidation or reduction which form delocalized charge carriers. The conductivity is electronic in nature and no current ion motion occurs in the solid state. 5.2. ENCYCLOPEDIA OF INORGANIC CHEMISTRY a) Kohaviit: TE 546/E54 Riiuli nr: 303
Enamlevinumad polümeeride lähtematerjalid · Kõik plastid on polümeerid aga kõik polümeerid pole plastid. Mõned tuntud polümeerid, mis pole plastid on tärklis (ingl k starch), valgud (aminohappe polümeerid), DNA. · The simplified diagram below shows the relationship between monomers and polymers. Identical monomers can combine with each other to form homopolymers, which can be straight or branched chains. Different monomers may combine together to form copolymers, which also may be branched or straight. · plastid on polümeerid- see tähendab, et nad koosnevad tuhandetest samadest polüetüleen, millest on tehtud aatomidest. Näiteks materjal kilekotid koosneb etüleenist valemiga c2h4.
Harjutusülesanne 3 3.1. Harjutusülesanne "Autori otsing" Nobeli preemia keemia alal anti 2001. aastal uurimistööle "Discovery and development of conductive polymers". Üks auhinna saajatest oli Alan G. MacDiarmid. Leia: a) mitu artiklit avaldas ta aastatel 1975 - 1985? 204 b) kuidas leidsid vajalikud andmed? Sisestasin autoriotsingusse autori nime, seejärel valisin sealt mitmeid variante sellest nimest ja sain tulemuse. Siis võtsin paremalt REFINE, Publication Year ja panin sinna antud aastad, vastuseks tuli 204 vastet c) mitu tööd sisaldasid kontseptsiooni "conducting polymers" või "plastics" 183 d) kuidas leidsid need tööd
Entsüklopeediad: 1. (2 P) KIRK, R., OTHMER, D. ENCYCLOPEDIA OF CHEMICAL TECHNOLOGY a) Kohaviit: TE 66/K-48 Riiuli nr: 422 b) Artikkel teemal "Electrically conductive polymers" c) Köide: 9 lk: 61 d) Elektrijuhtivate polümeeride lühike definitsioon (võib olla inglise keeles) Elecrtically conductive polymers are composed of conjugated polymer chains with -electrons delocalized along the backbone. 2. (2 P) ENCYCLOPEDIA OF INORGANIC CHEMISTRY a) Kohaviit: TE 546/E-54 Riiuli nr: 303 b) Vismuti füüsikalised omadused "Physical properties of Bismuth" c) Köide: 1 lk: 280 d) Vismuti soojusjuhtivus (thermal conductivity): 7,87 W m-1 K-1 Sõnaraamatud: 3. (2 P) DICTIONARY OF CARBOHYDRATES with CD-ROM a) Kohaviit: TE 54/D-53 Riiuli nr: 301 b) Orgaaniline aine "chloralose"
3. HARJUTUSÜLESANNE 3.1. Harjutusülesanne "Autori otsing" Nobeli preemia keemia alal anti 2001. aastal uurimistööle "Discovery and development of conductive polymers". Üks auhinna saajatest oli Alan G. MacDiarmid. Leia: a) mitu artiklit avaldas ta aastatel 1975 - 1985? 67 artiklit b) kuidas leidsid vajalikud andmed? Sisestasin autori nime. Seejärel kuvati ekraanile igasuguseid variante, millest valisin nime Alan G. MacDiarmid. Seejärel klõpsasin ,,Publication years 1975- 1985. Sain 67 vastet. c) mitu tööd sisaldasid kontseptsiooni "conducting polymers" või "plastics"? 183 tööd d) kuidas leidsid need tööd
Ilona Juhanson, 123964YASB 3.1 Sisestasin otsingusse autori nime: MacDiarmid Alan G A )Kokku oli tal artikleid üle 700, kuid aastatel 1975-1985 avaldas ta vaid 203 artiklit: B) Võtsin paremalt kõrvalt Refine, Publication Year, 1975-1985 C) Neil aastatel: Conducting polymers – 21, Plastics – 3 Üleüldse: Conducting polymers – 163, Plastics – 32 D) Refine alt. Proovisin nii 1975- 1985 kui ka ilma ajalise piiranguta. E) 26 patenti
Iseseisev töö nr. 5 1. Autori otsing a) 218 b) Sisestasin autoriotsingusse MacDiarmid (last name) , Alan (first name), Graham (middle). Valisin kõik pakutavad nimevariandid ning Refine alt Publication Year trükkisin sisse 1975- 1985. c) 25 d) Refine -> Research Topic: (conducting polymers) or (plastics) e) 4 f) Esilehel valisin Patent ning sisestasin Inventor name MacDiarmid Alan Graham. 2. Teema ja aine otsing a) Preparation of glycolide from glycolic acid, panen linnukese valiku ette, kus kõik märksõnad on tekstis lähestikku. b) 212 d) 502-97-6 e) 357 3. Aine otsing a) Pealehe kõrvalmenüüst Substance Indentifier b) 75-19-4 c) 0.790±0.06 g/cm3 d) 1904 4. Aine otsing molekulaarvalemi järgi
IT.3 Aine ja teema otsing andmebaasist SciFinder Scholar 3.1 ,,Autor otsing" a) Alan G. MacDiarmid avaldas aastatel 1975-1985 204 artiklit b) Sisestasin otsinguvälja autori järgi ning REFINE`i alt sorteerisin Publication Year(s) järgi c) Märksõnad "conducting polymers" või "plastics" olid 183 artiklis d) REFINE`i alt valisin RESEARCH TOPIC ning sisestasin märksõnad otsinguvälja, kasutades OR e)Alan G. MacDiarmid`i nimel on 29 patenti f) REFINE`i alt valisin DOCUMENT TYPE ning valisin PATENT. 3.2 ,,Teema ja aine otsing" a) kasutasin otsingut pealkirja järgi b) Teemat ,,Preparation of glycolide from glycolic acid" kajastab 147 referaati e Glycolide CAS RN on 502-97-6 glycolide f) Glycolide saamise kohta on 234 referaati
Tools for the Synthesis of Complex Bioactive Molecules, 1, 155-188. Wiley. ProQuest Ebrary (04.11.2016) 2. Infootsing raamatukogu teatmeteostest paberil. 2.1. Loe läbi õppematerjal Keemia- ja materjalitehnoloogia alased teatmeteosed TTÜ raamatukogus a) Encyclopedia of Analytical Science, 2nd ed. vol 1-10 2.2.Aine ja teema otsing raamatukogu avakogudest E1. KIRK, R., OTHMER, D. ENCYCLOPEDIA OF CHEMICAL TECHNOLOGY a) TE 66/K-48 Riiul 66 c) 9. köide, lk 61 d) Electrically conductive polymers are composed of conjugated polymer chains with pi- electrons delocalised along the backbone. E2. ENCYCLOPEDIA OF INORGANIC CHEMISTRY a) TE 546/E-54 Riiul 546 c) 1. köide, lk 280 d) 7,87 W m-1 K-1 S1. DICTIONARY OF CARBOHYDRATES with CD-ROM a) TE 54/D-53 Riiul 54 c) C-65, lk 242 d) C8H11Cl3O6 K1 . ULLMANN'S PROCESSES AND PROCESS ENGINEERING. a) 66/U-38 Riiul 66 c) 3. köide, lk 2215 d) Membrane bioreactors K2. ANALYTICAL INSTRUMENTATION HANDBOOK a) 543/A-53 Riiul 543
Second level Third level Fourth level Fifth level Kasutatud kirjandus: Peep Christjanson ,,Polümeermaterjalid I Üldised alused" http://www.e-ope.ee/_download/euni_repository/file/604/ polymeerm.zip/Termoplastid.pdf http://www.ppt2txt.com/r/4da76f5b/ http://www.matbase.com/material/polymers/engineering/pc/properties http://www.eava.ee/opiobjektid/mto/materjalid/plastide_liigitus_ja_oma dused.html TÄNAN TÄHELEPANU EEST!
Find articles with all of the words biocatalytic stereochemical synthesis Collections Articles & patents Search only articles in the following subject areas: Biology, Life Sciences and Enviromental Science; Chemistry and Materials Science; Medicine, Pharmacology and Veterinary Science Leidsin 6 310 tulemust Leheküljed tundusid head, leidsin mitmeid online raamatukogusid. Artiklid tundusid sisukad. Biocatalytic synthesis of polymers. Synthesis of an optically active, epoxy- substituted polyester by lipase-catalyzed polymerization. (1989). [WWW] http://onlinelibrary.wiley.com/doi/10.1002/pola.1989.080270807/abstract (03.04.2012) 2. Yahoo! http://search.yahoo.com Advanced Web Search Show results with all of these words: biocatalytic stereochemical synthesis Site/Domain: Only .com domains Languages: English Sain 31 000 tulemust
3.1. Harjutusülesanne "Autori otsing" Leia: a) mitu artiklit avaldas ta aastatel 1975 - 1985? 204 b) kuidas leidsid vajalikud andmed? Sisestasin autoriotsingusse autori nime, valisin sealt mitmeid variante tema nimest ning sain tulemuse, seejärel võtsin paremalt REFINE, Publication Year(s) ja panin sinna 1975-1985 ning sain 204 vastet. c) mitu tööd sisaldasid kontseptsiooni "conducting polymers" või "plastics"? 183 d) kuidas leidsid need tööd? Valisin REFINE, Reasearch Topic ja panin märksõnad conducting plymers or plastic. Enne vaatasin ka seda, et ta otsiks kõikide artikklite seast, mitte ainult nende artikklite, mis avaldati 1975-1985 aastatel. e) mitu patenti on Alan G. MacDiarmid nimel? 29 f) kuidas leidsid vajalikud andmed? Võtsin taas paremalt REFINE, Document Type ja Patent. 3.2. Harjutusülesanne "Teema ja aine otsing". a) millist otsivõimalust kasutasid
(15) seast ,,Vitamin D and multiple sclerosis" c) artikli autorid: Anita Raghuwanshi, Sneha S. Joshi and Sylvia Christakos 3. (3 P) Leidke TTÜ raamatukogu eraamatust Handbook of Chemistry and Physics polümeeri polycarbonate dielektriline konstant (dielectric constant). Esitage: a) otsivõimalus: Leidsin Handbook of Chemistry and Physics, panin otsinguvälja polycarbonate ja valisin sealt Dielectric Constant of Selected Polymers b) polümeeri polycarbonate dielektriline konstant sagedusel 1 kHz: 2.92 4. (3 P) Leidke andmebaasist SciFinder Scholar aine all transRetinol Esitage: a) otsivõimalus: Kasutasin otsingut EXPLORE SUBSTANCES ning panin otsingusse aine nime b) aine valem: C20 H30 O c) CAS RN: 68-26-8 d) aine molaarmaht (molar volume): 300.0±3.0 cm3/mol 5. (4 P) Leidke patentide andmebaasist espacenet patente teemal Water treatment process of membranes. Esitage:
gastrointestinaal tract. Slide 6 Starch digestion is also different in various foods with diferent components. Proteins that attaches to starch granules may make harder to digest starch. Cooking starch with protein may also reduce effectness of digestion. Protein forms around starch and it is harder to break through to starch. Ohter study found out that adding sodium sulphite to starch can prevent enzyme-resistant polymers that increase the speed of digestion because amylotic enzymes can easily hydrolyse starch. Removing gluten may also work to increase digestion time, but adding it back doed not reverse the reaction. Slide 7 This study found out how important is starch in our everyday life. Starch is one of the most important carbohydrates in our diet and therefore we studies how we can imprõve or decrease the digestion of starch by thermal treatment or adding different chemicals. Starch is easier
Fulvohape Väiksema molekulmassiga kui humiinhape. This organic matter is soluble in strong acid (pH = 1) and has the average chemical formula C135H182O95N5S2. One of two classes of natural acidic organic polymer that can be extracted from humus found in soil, sediment, or aquatic environments. Its name derives from Latin fulvus, indicating its yellow colour. Its structure is best characterized as a loose assembly of aromatic organic polymers with many carboxyl groups (COOH) that release hydrogen ions, resulting in species that have electric charges at various sites on the ion. It is especially reactive with metals, forming strong complexes with Fe3+, Al3+, and Cu2+ in particular and leading to their increased solubility in natural waters. Fulvic acid is believed to originate as a product of microbial metabolism, although it is not synthesized as a life- sustaining carbon or energy source.
terastes (6...20 %Ni) - legeermalmides (1...6% või 14...36% Ni) ja legeervaluterastes (0,5...20% Ni) Ni suurepärast korrosioonikindlust saab parandada vase, kroomi või molübdeeniga legeerides. Inkonell, hastelloi ja nimonik on tuntud supersulamitena (super alloy), kuna nad on eelkõige ette nähtud tööks kõrgetel temperatuuridel. 5. Polümeerid, polümeeridest valmistatavad tooted. Liigitus päritolu ja peaahela kuju järgi. Polümeeride supermolekulaarne struktuur. Polümeerid (polymers) on keemilised ühendid, mille molekul koosneb kovalentsete sidemetega seotud korduvatest struktuuriühikutest ehk elementaarlülidest. Polümeerid on kas looduslikud (nt. merevaik, tselluloos, tärklis) või sünteetilised (paljud plastmassid) materjalid, millel on erinevad omadused ja kasutusalad. NB! Kõik plastid on polümeerid, aga kõik polümeerid ei pruugi ollaplastid (kummid, liimid, pinnakattematerjalid) Polümeeridest saab valmistada järgmisi polümeertooteid:
(especially of vanadium), give aniline black. Hydrochloric acid and potassium chlorate give chloranil. Potassium permanganate in neutral solution oxidizes it to nitrobenzene, in alkaline solution to azobenzene, ammonia and oxalic acid, in acid solution to aniline black. Hypochlorous acid gives 4-aminophenol and para-amino diphenylamine. Oxidation with persulfate affords a variety of polyanilines compounds. These polymers exhibit rich redox and acid-base properties. 5. Toxicity data on chemical a) General toxicity · Acute toxicity after single administration The average lethal inhalation dose for humans is reported to be 25 mg/l air or 0.35- 1.43 g/kg bodyweight. With respect to methaemoglobin formation the no-effect dose of aniline in adult human is about 0.2 mg/kg bodyweight. In animal experiments the
g., NaCl, KCl), their mobility is usually so large that is comparable to the EOF. An additional surface modification of capillary EOF can be reduced 9 to such an extent that the movement of anions and cations in setting direction will stop. Conventional coating of capillaries surface with linear polymers without transverse crosslinks eliminates electroosmosis, which is typical for uncoated capillaries. Electrodispersion The peculiarity of capillary electrophoresis is the electrodispersion (Figure 5). Because of this can be seen as symmetric Gaussian and triangular asymmetric peak shapes. While the distorted shapes of the peaks with "front" and "tails" in the other chromatographic
töötlusele vastupidavaid ja kuumakindlaid plaste, mida on võimalik kasutada ka metallide aseainena (näiteks kevlar (1965) on ca 5 korda tugevam kui metallid). 13 Kevlari omadused olid nii vapustavad, et DuPonti labor pidi saatma välja pressiteate, kus kinnitas, et pole seda materjali saanud tulnukatelt(!) [16]. Selliseid plaste hakati nimetame tehnopolümeerideks ning ehitusplastideks (ing. k. polymers for engineering) või isegi superplastideks. Selliste materjalide hulka loetakse polükarbonaadid, polümetüülpeneenid, atsetaatvaigud, polüfenüleen- oksiidid, ionomeerid, polüsulfoonvaigud, polüimiidid, polüfenüleensulfiidid ja polübutüleen tetraftalaadid. Kuigi polükarbonaatidega katsetati juba 1898, läksid nad tööstuslikku tootmisse alles 1959 Saksamaal ning USA-s. Polükarbonaate
LDP Label Distribution Protocol LDT Local Descriptor Table LE Less or Equal LEA Load Effective Address LEAD Live Early Adoption and Demonstration [W3C] LEAF Law Enforcement Access Field LEC Local Area Network Emulation Client + Local Exchange Carrier LED Light Emitting Diode LEL Link, Embed and Launch-to-edit [Lotus] LEM Language Extension Module LEN Low Entry Networking LEO Low Earth Orbit LEP Light-Emitting Polymers LES Local Area Network Emulation Server .LET Letter (file name extension) LEX Lexicon LF Line Feed L2F Layer 2 Forwarding (protocol) [Cisco] LFAP Lightweight Flow Admission Protocol LFE Low Frequency Effects LFI Last File Indicator LFM Log File Monitor LFN Long File Name LFT Low Function Terminal [IBM] LFU Least Frequently Used LGA Leadless Grid Array LGDT Load Global Descriptor Table LGPL Lesser General Public License [GNU]
is also a third filament system composed pri- mately 42,000. There are approximately marily of the protein titin (Wang et al. 1979; 400 actin molecules per thin filament. Thus Wang 1984; Wang et al. 1984; Wang and the molecular weight of each thin filament Wright 1988; Wang et al. 1991; Ma et al. is approximately 1.7 × 107 (Squire 1981). 2006;). With respect to contraction and rigor The thin filaments (F-actin polymers) are development in postmortem muscle, it is the 1 μm in length and are anchored in the interdigitating thick and thin filaments that Z-line. supply the “machinery” needed for these pro- Two other proteins that are important in cesses and give skeletal muscle cells their muscle contraction and are associated with characteristic appearance (Squire 1981). the thin filament are tropomyosin and tropo- Within the myofibril, the less dense I-band is nin