This study analyzed the shear bond strength (SBS) of resin composite on zirconia surface to which a specific conditioner was applied before sintering. After sintering of either conditioner-coated or uncoated specimens, both groups were divided into three subgroups by their respective surface modifications (n = 10 per group): no further treatment; etched with hydrofluoric acid; and sandblasted w...

In the air-conditioner’s market, the users are particularly sensitive to the vibration and noise of the machine. Thus, the enterprise not only the air-conditioner manufactures but also the compressor manufactures cast about how to develop and design more quietly machine. In this paper, we analyzed various kinds of factors that influenced the vibration and noise of air-conditioner, and we give t...

Based on reactive power-voltage characteristics analysis of air conditioners, the effects of air conditioner load on voltage stability of an urban power system are investigated in this paper. Indexes for evaluating bus voltage security are proposed, and static voltage stability analysis method is adopted. The computational analysis of a real urban power system in East China shows that air condi...

PURPOSE This study focused on the anti-microbial protein human lactoferrin (hLF) commonly found in saliva, and tried to develop biocompatible dental materials that have higher anti-microbial effects. METHODS A lyophilized cation exchange resin was added to tissue conditioner at 4 wt% and 8 wt%. The amount of hLF binding to the tissue conditioner and their anti-microbial effect against Candida...

TCP connection throughput is inversely proportional to the connection Round Trip Time (RTT). To mitigate TCP bias to short RTT connections, a differentiated services traffic conditioner can ensure connections with long RTTs do not starve when connections with short RTTs get all extra resources after achieving the target rates. Current proposals for RTT-aware conditioners work well for a small n...

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Adequate softness and surface integrity are the two most important clinical features of a tissue conditioner. This study was designed to examine the effect of coating on the surface integrity and softness of a tissue conditioner at various time intervals. A total of 72 specimens were prepared and divided into two equal groups. Group I (control group) specimens were lined with tissue conditioner...

The system design of window air conditioner does not evolve in one day. Due to the continous efforts are taken by the refrigeration and air conditionging professionals, successful and economic models of window air conditioners are currently used. This paper states about the development of window air conditioner with phase change material and water as refrigerants. Developed air conditioner was ...

*1 Air-Conditioner Designing & Engineering Department, Air-Conditioning & Refrigeration Division *2 Manager, Air-Conditioner Designing & Engineering Department, Air-Conditioning & Refrigeration Division *3 Chief Staff Manager, Sales Department, Air-Conditioning & Refrigeration Division *4 Professor, Department of Electrical, Electronic and Computer Engineering, Faculty of Engineering, Gifu Univ...

With the popularization of the inverter-driven air-conditioner and the requirement of comfort and energy saving, the operating frequency of inverter-driven air-conditioner is lower and lower, even to 1Hz. But when the air-conditioner operates under the frequency of 10Hz, a periodic sound will appear in the air-conditioner outdoor unit, which should be researched and solved. According to the exp...