12:02 Apr 24, 2018 |
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English to Polish translations [PRO] Tech/Engineering - Engineering: Industrial / Instrukcja robocza pomiaru naprężenia w pojemnikach szklanych | |||||||
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cord |
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Discussion entries: 2 | |
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10 hrs |
Reference: cord Reference information: Cord Also known as ream, striae, or "cat scratch", cord is a streak of glass with a composition different from the bulk. These defects can compromise the performance and appearance of a container. We can perform quantitative measurements of cord stress, as well as identify the cord composition; http://www.americanglassresearch.com/analytical/glass-qualit... -------------------------------------------------- Note added at 10 hrs (2018-04-24 22:31:37 GMT) -------------------------------------------------- Cord - A glass defect: part of the glass that differs in composition from the surrounding matrix. This different chemical composition produces a change in the refractive index so that the cord is visible as a streak. Ream - Similar to cords, but reams occur in layers rather than threads (more common in flat glass where the layers are be drawn out). Striae - An imperfection consisting of a multitude of fine surface fractures, cracks. Cat scratch - surface irregularities on glass resembling the marks of a cat's claws. http://www.gem-projects.be/gem glassdictionary.htm -------------------------------------------------- Note added at 10 hrs (2018-04-24 22:36:45 GMT) -------------------------------------------------- Figure 1: Shadowgraph picture of striae within N-LAK8 exhibiting a frozen convection pattern Figure 2: Whirl shaped band-like striae from the tank melting process. Sophisticated casting control helps to prevent such striae http://www.schott.com/d/advanced_optics/21cea63c-d62f-42b7-9... - page 2 ------------ 1.1.3. Wady optyczne szkła Specyfika oraz niedoskonałość procesu technologicznego produkcji szkła są przyczynami powstawania wad optycznych o różnorodnej naturze. Wady te w różnym stopniu zakłócają nie tylko bieg fali świetlnej w szkle (na przykład przez zmianę kierunku propagacji, rozproszenie i tłumienie), ale również są przyczyną pogorszenia właściwości mechanicznych szkła. Można wyróżnić następujące wady optyczne (Ratajczyk, 1979: 6): • Niejednorodności współczynnika załamania • Nieciągłości współczynnika załamania i transmitancji http://www.dbc.wroc.pl/Content/3557/Swirniak_Pomiar_PhD.pdf - page 34 |
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