نتایج جستجو برای: machinery maintenance
تعداد نتایج: 176331 فیلتر نتایج به سال:
In this study, solutions for machinery layout with the aim of reducing transportation costs will be discussed. To do this, imperialist competitive algorithm (ICA), which is a very complicated and effective meta-heuristic algorithm is introduced. In the offered algorithm, different kinds of machinery layout are considered in single-row as country and then the best possible layout is developed ba...
The quality of maintenance is an important parameter in the performance of industrial production plants. Good monitoring of the deterioration in rotating machinery can result in reduced maintenance costs by minimizing the number of bad judgments and decreasing in the number of spare parts. An effective system of maintenance should be able to monitor parameters such as vibration, temperature, oi...
In industrial manufacturing, there are techniques that can identify certain risks in the processes cause inconsistencies operation of equipment, hazards for operator and waste. One supports engineering company Preventive Maintenance (PM) tasks focus their efforts on analyzing critical devices could degrade quality products obtained. Companies have an average system attention to machinery equipm...
The fusion of endoplasmic reticulum (ER) membranes in yeast is an essential process required for normal progression of the nuclear cell cycle, karyogamy, and the maintenance of an intact organellar compartment. We showed previously that this process requires a novel fusion machinery distinct from the classic membrane docking/fusion machinery containing Sec17p (alpha-SNAP) and Sec18p (NSF). Here...
Manufacturing firms increasingly engage in service trade activities. Microlevel data show that German manufacturers account for roughly 25% of German cross-border producer service exports. I have found that particular construction, engineering, and R&D services are exported. The machinery industries and automobile and chemicals producers dominate the overall pattern. The types of services expor...
Full T cell activation requires TCR engagement (signal 1) in the context of costimulation (signal 2). Costimulation is required for maximal expression of effector cytokines and prevention of T cell anergy. It has become increasingly clear that another major function of costimulation is to up-regulate the metabolic machinery necessary for T cell function. In this report we demonstrate that anerg...
In diagnosing mechanical faults of rotating machinery, it is very important to know the vibration feature of the machine with various forms of fault. A rotor system with fault is generally a complicated non-linear vibrating system. Its vibration is in a very complex form. Rotating machinery is very popular in industrial applications. Most of the mechanical failures are due to vibrations. It is ...
The machinery of mitochondrial DNA (mtDNA) maintenance is only partially characterized and is of wide interest due to its involvement in disease. To identify novel components of this machinery, plus other cellular pathways required for mtDNA viability, we implemented a genome-wide RNAi screen in Drosophila S2 cells, assaying for loss of fluorescence of mtDNA nucleoids stained with the DNA-inter...
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