Results 161 to 170 of about 390,219 (218)
Tensile Response and Energy Absorption of Galvanized Steel Mesh-Reinforced Cement Mortar with Alkali-Resistant Glass Fibers. [PDF]
Materials (Basel)Rodríguez L +5 more
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Journal of Canadian Petroleum Technology, 1972
Abstract Cementing operations in Arctic environments continue to require research on many unanswered problems. Laboratory studies and observation of field practices helped answer some of these questions. Areas of laboratory study were:electrical resistivities of neat and drilling mud contaminated cement.stability of
W.C. Cunningham +2 more
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Abstract Cementing operations in Arctic environments continue to require research on many unanswered problems. Laboratory studies and observation of field practices helped answer some of these questions. Areas of laboratory study were:electrical resistivities of neat and drilling mud contaminated cement.stability of
W.C. Cunningham +2 more
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Cementing v. not cementing the Monk endoprosthesis
Injury, 1982In a retrospective study, 45 patients who had Monk hard-top endoprostheses inserted with cement because of fresh intracapsular fracture of the femoral neck, were compared with 61 patients with uncemented prostheses. The average age, age-distribution and the preoperative condition of the patients were well matched in the two groups.
G S, Lausten, P, Vedel
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Microleakage of orthodontic band cement at the cement-enamel and cement-band interfaces
American Journal of Orthodontics and Dentofacial Orthopedics, 2010Our objective was to determine and compare microleakage patterns of conventional glass ionomer cement (GIC), resin modified GIC (RMGIC), and polyacid-modified composite for band cementation.Sixty freshly extracted third molars were randomly divided into 3 groups of 20 teeth each.
Tancan, Uysal +3 more
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Cement distribution during post cementation
Journal of Dentistry, 1981Abstract The distribution of the cement around parallel-sided and tapered posts coated with cement, and when cement was inserted into the prepared post hole, have been compared. In every case coating the post with cement gave rise to an incomplete cement film. Rough-surfaced posts and tapered posts retained more cement than smooth parallel posts. The
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Expanding Cements for Primary Cementing
Journal of Petroleum Technology, 1966Abstract The expansion of cement and the effect of various expansive aids upon oil well cementing compositions have been investigated to determine the amount of expansion feasible and to observe the stability of cements displaying increased expansion.
L.G. Carter, H.F. Waggoner, C. George
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Ultrafine Cement for Oilwell Cementing
Proceedings of Low Permeability Reservoirs Symposium, 1993Abstract Ultrafine cements are particulate, cementitious grouting materials that were initially developed as a replacement for unacceptably toxic chemical grouts for Civil Engineering applications. Several basic types are available: ultrafine slag cement (M1), ultrafine Portland cement (M3) and ultrafine portland/slag (M5).
W. J. Clarke, A. C. McNally
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Contact Dermatitis, 1976
Four cases are presented of men who sustained burns after contact with premised concrete. The pathogenesis of the condition is discussed.
H R, Vickers, D H, Edwards
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Four cases are presented of men who sustained burns after contact with premised concrete. The pathogenesis of the condition is discussed.
H R, Vickers, D H, Edwards
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2017
This chapter gives a short introduction to thermodynamic calculations applied to different cementitious systems and shows possible applications: hydration of Portland and calcium sulfoaluminate cements as well as the effect of limestone and fly ash on the composition of hydrated PC and the effect of calcium sulfate, belite, and limestone on hydrated ...
Lothenbach, Barbara, Winnefeld, Frank
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This chapter gives a short introduction to thermodynamic calculations applied to different cementitious systems and shows possible applications: hydration of Portland and calcium sulfoaluminate cements as well as the effect of limestone and fly ash on the composition of hydrated PC and the effect of calcium sulfate, belite, and limestone on hydrated ...
Lothenbach, Barbara, Winnefeld, Frank
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Annals of Emergency Medicine, 1980
Portland cement carries a significant potential for morbidity if care is not exercised in its use. A 24-year-old construction worker suffered burns of both lower legs when wet cement seeped into his work boots causing burns and secondary cellulitis severe enough to preclude working for four weeks.
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Portland cement carries a significant potential for morbidity if care is not exercised in its use. A 24-year-old construction worker suffered burns of both lower legs when wet cement seeped into his work boots causing burns and secondary cellulitis severe enough to preclude working for four weeks.
openaire +2 more sources