نتایج جستجو برای: laser assisted machining lam
تعداد نتایج: 315225 فیلتر نتایج به سال:
This paper presents a method for co-registration of Chang’E-1 lunar orbiter stereo images and laser altimeter (LAM) data for 3D mapping of lunar surface. First, a digital elevation model (DEM) is automatically generated from the three-line CCD stereo images based on rigorous pushbroom sensor model and multi-level image matching. The DEM is then registered to LAM data through surface matching wi...
The purpose of this article is to present a case of laparoscopic myomectomy (LM) that led to the identification of a new minimally invasive technique [laparoscopic-assisted vaginal myomectomy (LAVM)] for removing multiple transmural uterine myomas and facilitating uterine suturing. In addition, we reviewed the literature to (1) describe the history leading up to LAVM, (2) relate the benefits of...
In the original version of book, following belated correction has been incorporated: The affiliation “Department: School Mechanical Science and Technology” authors “Wei Bai Ronglei Sun” changed to “School Engineering”. book updated with change.
Laser micromachining has the capability to fabricate very small and basic 2.5 D geometric features on a range of materials in the form of laser ablation or irradiation. Short pulsed lasers that can achieve wide range of wavelengths in the form of harmonics of infrared laser beam at 1064 nm wavelength have been a very effective micro-machining tool used for hole drilling, cutting, scribing, trim...
In this study, ultrasonic assisted machining (UAM) technique is applied in side-surface milling experiment for glass-ceramic workpiece material. The tungsten carbide cutting-tool with diamond coating is used in conjunction with two kinds of cooling/lubrication mediums such as water-soluble (WS) cutting fluid and minimum quantity lubricant (MQL). Full factorial process parameter combinations on ...
Although laser-assisted turning (LAT) has been studied for decades, little is known on the effect of bulk temperature rise and residual in workpiece. Here we report an investigation a comparison characteristics LAT Ti6Al4V alloy laser heating Al/SiC metal matrix composite (MMC) as two materials have significant differences thermal conductivities. The research shows that at low cutting speed wit...
BACKGROUND Spontaneous pneumothorax is a major and frequently recurrent complication of lymphangioleiomyomatosis (LAM). Despite the customary use of pleurodesis to manage pnenumothorax, the recurrence rate remains high, and accompanying pleural adhesions cause serious bleeding during subsequent lung transplantation. Therefore, we have developed a technique of total pleural covering (TPC) for LA...
Because of the unique laser–matter interaction processes involved, femtosecond laser micro-machining and femtosecond laser materials processing techniques are developing rapidly to stages where they may be introduced into manufacturing. Yet in both these areas, some complex interaction phenomena are not fully understood. In this talk we describe two studies of fundamental processes that impact ...
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