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https://lnkd.in/ej_iJ4Mg #thermographyhuman #amputation #3D A Workflow for Studying the Stump–Socket Interface in Persons with Transtibial Amputation through 3D Thermographic Mapping

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Reconstruction of Hydraulic Fractures Using Passive Ultrasonic Travel-Time Tomography 💡The knowledge of hydraulic fracture morphology is significant for the analysis of fracture mechanisms. This paper utilizes passive Ultrasonic Travel-time Tomography (UTT) to characterize the hydraulic fracture. We constructed a velocity model based on X-ray computerized tomography (X-CT) images scanned on a real hydraulically fractured shale column. Then, ray-paths and travel times corresponding to the source-receiver configuration were calculated by curved ray-tracing schemes. Lastly, we performed tomographic inversions using total variation regularization (TVR). 💡The simulation results showed that 3D passive UTT based on TVR is an accurate, efficient, and stable method to reconstruct the velocity structures with fractures, even in the case of sparse ray-coverage or high noise level. Meanwhile, we also verified that the passive UTT is a valid alternative to X-CT in depicting the hydraulic fracturing rock via a proper interpretation method. Keywords: hydraulic #fracture; passive #ultrasound; travel-time #tomography; total #variation #regularization

... The DHEA/cortisol ratio has been used as a biomarker of chronic stress, with DHEA acting to offset the effects of cortisol. This ratio is one of several ...

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Nikon NIKKOR FTZ II Mount Adapter for Z-Mount Series (F-Mount Lens to Z-Mount Body). Webcode: 447998 • Mfr: 4264. Mounts F-Mount Lens onto Z-Mount Camera ...

Rayleigh Length (Range) conversion calculator is an online calculator used to calculate the rayleigh length (range) of a laser beam. Check out: https://lnkd.in/dSQfTVCJ #rayleigh #length #laser #beam #waist #radius #confocal #parameter #calculator #tool

Did You Know? Path Sorting - Discover how TracePro's Path Sort Table provides insights into ray paths, aiding in effective stray light analysis and enhancing optical system design. https://hubs.ly/Q02V4CH-0

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Hex Key Metric 7 Piece Set (1.5, 2, 2.5, 3, 4, 5, 6) ; 2.5mm Hex Ball End Screwdriver · 70142. $8.44 ; M3 x 8mm Socket Head Cap Screw (100 pack) · 76200-100. $18.30.

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It is composed of durable metal frame with a unique mirror design that will add a contemporary look to your home. Suitable to hold small accessories such as ...

Physics & Mathematics Educator eContent Creator|eContent Writer|MCQ Questions Setters|Online Live Class Teaching Experience|Cluster Resource Personal

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Sep 28, 2021 — Distortion can generally be described as when straight lines appear bent or curvy in photographs. · Sometimes this effect is intended, other ...

Optical Symmetry..., ...when light rays accumulate at a single point and reflectively burst out scaterring through a maximum space in an orderly manner. #gemconcepts #3Dopticalsymmetry #electriclightorchestra #diamonddesign #diamondcutting #controlingthelight #playoflight

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Edmund Optics (EO) is a leading producer of optics, imaging, and photonics technology. Supporting the R&D, electronics, semiconductor, pharmaceutical, biomedical, and military markets around the globe; EO products are used in a variety of applications ranging from DNA sequencing to retinal eye scanning to high-speed factory automation. EO’s state of the art manufacturing capabilities combined with its global distribution network has earned it the position of the world’s largest supplier of off-the-shelf optical components. Customers can purchase items by contacting EO at 1-800-363-1992, via the catalog, or via the website at www.edmundoptics.com.

10mm diameter, 70mm overall length, 35mm max hole depth, 60° point, right hand rotation, 10mm shank. The 70mm long bits have a 10mm x 20mm shank making them ...

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#mathematics Angles Angle is a measure of rotation of a given ray about its initial point. The original ray is called the initial side and the final position of the ray after rotation is called the terminal side of the angle. The point of rotation is called the vertex. If the direction of rotation is anticlockwise, the angle is said to be positive and if the direction of rotation is clockwise, then the angle is negative. The measure of an angle is the amount of rotation performed to get the terminal side from the initial side. There are several units for measuring angles. The definition of an angle suggests a unit, one complete revolution from the position of the initial side.

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Vertical cavity laser In VCSEL lasers, the quantum well is between two Bragg reflectors. Could the reflectors be made by etching 1/4-wavelength dimples into the material? That case the material-air interface acts as a diffractive mirror creating a focus for the quantum well. In the middle of the picture is the irradiance distribution in the quantum well and at the top is the yellow metallization circle and the exaggerated surface etching pattern in material. Below is a matching etching pattern and metallized surface mirror. Since lasing would take place from a spatially narrow area, the beam spreads only slightly in the far field.

Thorlabs provides solutions for the field of Optical Coherence Tomography (OCT) imaging on the system, subsystem, and component level.

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