نتایج جستجو برای: metal finishing
تعداد نتایج: 206725 فیلتر نتایج به سال:
Concrete floor-bovine claw contact pressures related to floor roughness and deformation of the claw.
The intention of this research was to study the impact of concrete floor surface roughness on a bovine claw model and to assess the deformation of the bovine claw model under load. The pressure distribution between the floor and the claw is the key method in this research. Monitoring foot-to-ground pressure distributions may provide insight into the relation between high local pressures and foo...
Traditionally, abrasive finishing process focus on producing excellent surface finish on regular form shapes. Ever increasing demands in freeform features in aerospace, energy and medicine industry requires abrasive finishing technology not only provides excellent surface finish but also is capable to correct the errors on freeform surfaces. The paper presents current development of corrective ...
The core finishing of cast posts-and-cores after luting is routine in dental practice. However, the effects of the vibrations produced by the rotary cutting instruments over the luting cements are not well-documented. This study evaluated the influence of the time intervals that elapsed between the cementation and the core-finishing procedures on the tensile strength of cast posts-and-cores lut...
Intensively finishing cattle on a high-grain diet is generally used to enhance marbling, whereas extensively finishing on grass is known to provide improved muscle fatty acid profiles. The objective of this study was to evaluate to what extent intensive concentrate finishing (0, 1 or 2 months) can be combined with forage feeding without negatively affecting the fatty acid profile of genetically...
این پایان نامه به ارایه یک روش متاهیوریستیک برای حل مساله جریان کارگاهی منعطف با ماشینهای موازی غیرمرتبط با در نظر گرفتن زمانهای آماده سازی وابسته به توالی پرداخته است. تمامی کارها باید بطور کامل از هر ماشین عبور کنند و preemption مجاز نمی باشد . هدف مینیمم کردن جمع وزنی زمان انجام کارها و تعداد کارهای همراه با تاخیر می باشد. در این پایان نامه ، یک ترتیب توالی منطقی بابت اولین مرحله از انجام کا...
This paper describes a numerically controlled finishing system, the Advanced Deburring and Chamfering System (ADACS). ADACS employs a user friendly, Graphical User Interface (GUI) to off-line program finishing and chamfering edges and prompt the operator for part cutting parameters. Given the operator-designated finishing and chamfering edges, ADACS extracts the features to generate a part fini...
Fused Deposition Modeling (FDM) parts are prone to process-related rough and wavy surfaces with stair-stepping effects whenever the parts produced have sloped or rounded geometries. These stair-stepping effects can be reduced by using a smaller slice height, but complete elimination is not possible. In this paper, FDM parts manufactured with the material ABS-M30 are finished using mass finishin...
Three trials involving 513 exotic crossbred steers were conducted to determine the effect of zeranol implanting in the suckling and growing phases on subsequent feedlot performance and carcass characteristics. Treatments were 1) unimplanted control, 0000; 2) implanted twice in the finishing phase, 00II; 3) implanted in the growing phase and twice in the finishing phase, 0III; 4) implanted in th...
This study was conducted to investigate the influence of dietary rapeseed meal (RSM) on growth performance, blood profiles, nutrient digestibility and economic benefit of growing-finishing pigs. A total of 120 growing pigs ([Yorkshire×Landrace] ×Duroc) with an initial body weight (BW) 29.94±0.06 kg were used in this experiment. Pigs were randomly allotted into 1 of 5 treatments in a randomized ...
In the finishing process of optical glass, polishing with ceria, silica or zirconia slurry is conventionally adopted. The machining process, however, has problems involving inefficiency and a detrimental impact on the environment. Therefore, it is strongly recommended that the process be replaced with fixed-abrasive machining, but conventional fixed-abrasive tools have problems relating to low ...
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