Tungsten bullet fishing sinkers also called corn sinkers follow the same premise as egg sinkers in that they are threaded onto the line, with the narrow point facing towards the rod.  The bullet-shape of these sinkers makes them ideal for gliding through weeds. These sliding sinkers can be used on a live bait rig to replace a walking sinker when used in weedy areas.  A weedless hook will also greatly enhance the effectiveness of this weed-rig.

Tungsten with the high density and environment protection is to be the ideal material for the tungsten bullet fishing sinkers. Lead, as the traditionally used material is gradually replaced by tungsten based because of it is toxic, and harmful to our environment.




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A multileaf collimator (MLC) is a device made up of individual "leaves" of a high atomic numbered material, usually tungsten, that can move independently in and out of the path of a particle beam in order to block it.

MLCs are used on linear accelerators to provide conformal shaping of radiotherapy treatment beams. Specifically, conformal radiotherapy and Intensity Modulated Radiation Therapy (IMRT) can be delivered using MLC's.

The MLC has improved rapidly since its inception and the first use of leaves to shape structures in 1965  to modern day operation and use. MLC's are now widely used and have become an integral part of any radiotherapy department. MLC's were primarily used for conformal radiotherapy, and have allowed the cost effective implementation of conformal treatment with significant time saving, and also have been adapted for use for IMRT treatments. For conformal radiotherapy the MLC allows conformal shaping of the linear accelerator (LINAC) beam to match the borders of the target tumour. For intensity modulated treatments the leaves of a MLC can be moved across the field to create IMRT distributions (MLC's really provide a fluence modulation rather than intensity modulation).

The MLC is an important tool for radiation therapy dose delivery. It was originally used as a surrogate for alloy block field shaping and is now widely used for IMRT. As with any tool used in radiotherapy the MLC must undergo commissioning and quality assurance. Additional commissioning measurements are completed to model a MLC for treatment planning. Various MLC's are provided by different vendors and they all have unique design features as determined by specifications of design, and these differences are quite significant.


Tungsten Alloy Manufacturer & Supplier: Chinatungsten Online - http://www.tungsten-alloy.com
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