نتایج جستجو برای: room temperature curing
تعداد نتایج: 519378 فیلتر نتایج به سال:
LIST OF OBJECTIVES AND DESCRIPTION OF ACTIVITIES CONDUCTED TO ACCOMPLISH EACH OBJECTIVE Objective 1: Develop an experimental, growth chamber temperature regime that can consistently cure Pierce’s Disease affected grapevines without causing unacceptable plant mortality. The results described in previous reports show that our field plants and cold chamber plants showed lower disease ratings and h...
introduction : this in vitro study was designed to measure and compare the amount of temperature rise in the pulp chamber of the teeth exposed to different light curing units (lcu), which are being used for curing composite restorations. methods: the study was performed in two settings; first, an in vitro and second was mimicking an in vivo situation. in the first setup of the study, three grou...
the history of plant’s used for mankind is as old as the start of humankind. initially, people used plants for their nutritional proposes but after the discovery of medicinal properties, this natural ?ora became a useful source of disease cure and health improvement across various human communities. berberis vulgaris is one of the medicinal plants used in iranian traditional medicine. berberis ...
We commercialized Reactive Coke Agglomerate (RCA), a cement-bonded pellet to decrease the thermal reserve zone temperature for the reduction of the reducing agent rate of blast furnaces. To achieve a high productivity of supplying RCA to large blast furnaces, a rapid curing process of RCA using steam was investigated. We obtained rapid curing of RCA within 18 h by combining primary curing for 1...
The use of carbon fiber reinforced plastic (CFRP) is increasing in engineering applications such as aerospace, automobiles, defense, and construction. Excellent strength-to-weight ratio, high impact toughness, corrosion resistance make CFRP highly suitable for aerospace applications. Curing temperature, curing time, autoclave pressure are among the most important parameters affecting properties...
To ensure an adequate clinical composite filling light source for photopolymerization is of great importance. In everyday clinical conditions commonly used unit for polymerization of composite material is halogen curing unit. The development of new blue superbright light emitting diodes (LED) of 470 nm wavelengths comes as an alternative to standard halogen curing unit of 450-470 nm wavelengths...
in this research, the effect of nanoclay on physiochemical, thermal and structural properties of urea formaldehyde resin (uf) was investigated. the prepared gluf resin was mixed mechanically with the 0.5, 1 and 1.5% nanoclay for 5 min at room temperature. the physicochemical properties of the prepared resins were measured according to standard methods. also, the thermal and structural changes i...
Practically all methods of curing pork involve the use of salt as a curing agent. Its main function is as a preservative to prevent or reduce the action of micro-organisms which might cause spoilage in the meat. Aside from this preserving action, the salt contributes greatly to the palatability of the meat. Oversalted pork is undesirable, although it is quite common. The amoimt of salt present ...
Abstract Plain weave fabric carbon fiber reinforced polymer (CFRP) Composites are tested at four different temperature conditions: room temperature, 82°C, 100°C, and 120°C. The variation in their tensile in‐shear properties studied. seemingly increased when the specimens close to curing but reduced up 7.88% with respect conditions, they glass transition temperature. in‐plane shear strength modu...
The effect of preheating of the silorane-based resin composite on intrapulpal temperature (IPT) and dentin microtensile bond strength (μTBS) was evaluated. For the IPT, teeth (n = 15) were sectioned to obtain discs of 0.5 mm thickness (2 discs/tooth). The discs were divided into three groups (n = 10/group) according to the temperature of the Filtek LS™ silorane-based resin composite during its ...
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