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  • Extraordinary Transmission of Three-Dimensional Crescent ...

    2011-11-22 · a The fabrication procedure for a periodic array of three-dimensional crescent-like holes.1 Spin-coating of sacrificial polyacrylic acid (PAA) film on silicon; 2 Spin-coating a layer of polystyrene (PS); 3 Spin-coating a multilayer of silica spheres with a diameter of 264 nm; 4 Heating the sample to let silica sphere embed into the PS film; 5 Removing the embedded silica particles by HF ...

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  • Three dimensional nanosuperstructures made of two ...

    2019-12-1 · Apart from MoS 2, 3D structures made of other TMDs, like MoSe 2 /Ni foam , WS 2 /Ni foam , FeS 2 /GF , and VO 2 /[email protected] 2 aerogel , can be synthesized as well. Though hydrothermal synthesis is a facile approach, the quality of the 3DSs is generally compromised due to the stacking of 2D materials.

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  • Three-dimensional (3D)-printed devices composed of ...

    2020-12-1 · 2.4. Characterization of the CFD2.4.1. Morphology of the CFD. The appearance of the printed CFD was observed using a Dino-lite edge am 7915 mzt Ⓡ digital microscope (AnMo Electronics Corporation, New Taipei City, Taiwan) and a scanning electron microscope (SEM; S-3400 N, Hitachi, Japan). The height of the layers was measured from the SEM micrograph using JMicroVision (v.1.3.3) …

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  • Extraordinary Transmission of Three-Dimensional

    2017-8-25 · crescent holes in top view; it is a three-dimensional structure. Here, it is named as a periodic array of three-dimensional crescent-like holes (3DCLH). The thicknesses of the silver at the top surface and the dimples are quite different since the metal evaporation angle varies at different parts within a unit cell. Figure 1b is the cross-

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  • Three-dimensional nanolithography ... - Nature Materials

    2021-4-12 · The cross-sectional CDs of Si holes were sequentially scaled to 12.8 nm × 19.2 nm, 10.7 nm × 15.4 nm, 8.3 nm × 12.1 nm and 7.2 nm × 8.6 nm along the x and z axes (Fig. 5e–g; Supplementary ...

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  • Three-dimensional nanoprinting via charged aerosol jets ...

    2021-3-31 · Three-dimensional (3D) printing1–9 has revolutionized manufacturing processes for electronics10–12, optics13–15, energy16,17, robotics18, bioengineering19–21 and sensing22. Downscaling 3D ...

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  • Design and synthesis of two-dimensional covalent organic ...

    1. Introduction Two-dimensional (2D) materials are garnering a great deal of attention due to their remarkable physical and chemical properties and their high potential for a variety of applications. 1–4 While graphene, the prototypical 2D material, displays electron and hole mobilities in excess of 5000 cm 2 …

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  • Microstructure and mechanical properties of 3D printed ...

    2021-3-2 · Stereolithography (SL)-based three-dimensional (3D) printing technology is a highly efficient method to fabricate alumina ceramics with fine structures [1, 2].Compared to traditional ceramics forming methods, including injection molding, tape casting, gel casting, etc., SL technique can shorten the long production cycles, reduce the fabrication cost, and improve the precision of the parts [].

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  • Three-Dimensionally Ordered Array of Air Bubbles in a ...

    2001-4-6 · We report the formation of a three-dimensionally ordered array of air bubbles of monodisperse pore size in a polymer film through a templating mechanism based on thermocapillary convection. Dilute solutions of a simple, coil-like polymer in a volatile solvent are cast on a glass slide in the presence of moist air flowing across the surface.

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  • Patents Assigned to Sirona Dental Systems GmbH - Justia ...

    2013-10-3 · Abstract: The invention relates to a method for capturing a three-dimensional x-ray image (1) of an object (2) by means of an x-ray system (3) comprising an x-ray source (4), an x-ray detector (5) and a shutter matrix (7), the shutter matrix (7) having a plurality of shutter elements (18), the x-ray absorption properties of which are controllable. . In the first method step, at least one ...

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  • Three-dimensional modeling of charge transport,

    in inorganic materials, viz. in the polymer polypyrrole.4–6 In 1974 the first actual organic device, a voltage-controlled switch, was built with the polymer melanin. 7 Since the 1970s, layers of organic photoconductors were used in xerographic devices, like printers, replacing

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  • E 26 Three Dimensional Modeling for Design Fall 2017

    2019-2-3 · Three Dimensional printing turn in 2 -3 pages of your concept designs (sketches) before leaving lab (10 pts) Blade design due by Th. 10/26 midnight, upload to bCourse 11 3D printing:10/31 FDM, STL, laser, .. Lab. work #8 –due Tu. 11/7 by 11:00 pm Material: liquid and solid polymer, powder, paper, Auxiliary and Section views

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  • Novel fabrication method for three-dimensional ...

    holes, and by the spherical caps at the bottom of the hole. Atomic force microscopy of a spherical hole etched in quartz (c). The radius of curvature and aperture are 16.1 µm and 11.3 µm, respectively (the hole is not totally shown in the image). The surface roughness is 2.3 nm rms. Arrays of microlenses with two different radii of

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  • Three-dimensional nanostructured electrodes for efficient ...

    2017-2-1 · The term of “three-dimensional nanostructured” was used in this review to cover the materials in two aspects: 1) the materials are assembled by one- or two-dimensional (2D) nanostructures, or their combination as building blocks to offer three-dimensional structures; 2) the materials possess both an electron transportation network and a ...

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  • Three-dimensional finite element analysis of single-bolt ...

    Three-dimensional finite element models have been developed to study the effects of bolt–hole clearance on the mechanical behaviour of bolted composite (graphite/epoxy) joints. The joint type studied was single-bolt, single-lap, which is a standard test configuration in both a civilian and a military standard for composite joints.

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  • Femtosecond laser three-dimensional micro- and ...

    2014-12-23 · SEM micrographs of holes drilled in 100-μm-thick steel foils by ablation using laser pulses with the following parameters: (a) pulse width: 200 fs, pulse energy: 120 mJ, fluence: 0.5 J/cm 2, wavelength: 780 nm; and (b) pulse width: 3.3 ns, pulse energy: 1 mJ, fluence: 4.2 J/cm 2…

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  • Resilient three-dimensional ordered architectures ...

    INTRODUCTION. Starting from the visionary idea of using DNA for organizing nanoscale matter and from the early demonstration of using DNA motifs for linking inorganic particles (2, 3), DNA-based assembly methods have become a powerful approach to creating nanoscale structures, including planar (4–7) and three-dimensional (3D) architectures (8, 9) from DNA (6, 10–14), nanoparticle (NP ...

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  • Plastic Toothbrush — Design Life-Cycle

    2014-3-13 · Additional materials on a toothbrush include the bristles which are now made of a specific synthetic polymer known as nylon. Nylon is the world’s first synthetic fiber and was discovered on February 28, 1935, by a former Harvard professor working at a …

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  • Hole-Transporting Low-Dimensional Perovskite for

    Halide perovskites with low-dimensionalities (2D or quasi-2D) have demonstrated outstanding stabilities compared to their 3D counterparts. Nevertheless, poor charge-transporting abilities of organic components in 2D perovskites lead to relatively low power conversion efficiency (PCE) and thus limit their applications in photovoltaics. Here, we report a novel hole-transporting low-dimensional ...

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  • A review of shape memory alloy research, applications and ...

    2014-4-1 · 2. Shape memory alloy overview. SMAs are a group of metallic alloys that can return to their original form (shape or size) when subjected to a memorisation process between two transformation phases, which is temperature or magnetic field dependent. This transformation phenomenon is known as the shape memory effect (SME).

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  • A Guide to Canada's Export Control List - GAC

    2020-8-11 · 1. X-ray tomography systems for three dimensional defect inspection; 2. Numerically controlled ultrasonic testing machines of which the motions for positioning transmitters or receivers are simultaneously coordinated and programmed in four or more axes to follow the three dimensional contours of the component under inspection;

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  • Design and synthesis of two-dimensional covalent organic ...

    1. Introduction Two-dimensional (2D) materials are garnering a great deal of attention due to their remarkable physical and chemical properties and their high potential for a variety of applications. 1–4 While graphene, the prototypical 2D material, displays electron and hole mobilities in excess of 5000 cm 2 V −1 s −1 at room temperature, 5 its semimetallic nature prevents its use in ...

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  • Dimensional accuracy and strength comparison in hole ...

    2016-7-20 · these terms represent low dimensional accuracy. OOR = (L1+L2+L3) 3 Where L1, L2 and L3 are the deviation distances at three different points measured from the optical microscope image for each hole. Tensile strength Tensile strength measured in MPa. 64 tensile test of hole specimens (32 holes cut each by AWJM

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  • A new computational approach for three-dimensional ...

    2020-11-25 · During material processing and fabrication, interface voids often appear in various composites and bonds. For example, in fiber-reinforced composites (FRCs) and three-dimensional (3D) textile composites, voids are inevitably formed during processing [1, 2].Particularly, void clusters are more likely to exist at the bi-metal interfaces [3,4,5,6,7,8,9] and the SiC/substrate interface [].

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  • 2D Materials: An Introduction to Two-Dimensional Materials ...

    Sensing Behavior of Atomically Thin-Layered MoS 2 Transistors, D. Late et al., ACS Nano, 7, 4879-4891(2013) Extraordinary Sunlight Absorption and One Nanometer Thick Photovoltaics Using Two-Dimensional Monolayer Materials, M. Bernardi et al., Nano Lett., 13, 3664-3670 (2013)

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  • Method of making three-dimensional laminated structures ...

    1999-10-18 · A three-dimensional laminated structure and method for making same are provided. The method involves die-cutting a plurality of sheets, including cutting through the sheets around part of the periphery of selected sections, aligning and bonding the sheets, and forming the selected sections out-of-plane with a forming tool.

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  • Solid or three-dimensional circuit board - Yumoto, Tetsuo

    4. A method for manufacturing a solid or three-dimensional circuit board according to claim 1, wherein the through hole is a blind through hole obtained by closing the through hole by plating. 5. A method for manufacturing a solid or three-dimensional circuit board according to claim 2, wherein a barrier is formed between adjacent circuit ...

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  • What is a Klein Bottle?

    A true Klein Bottle lives in 4-dimensions. But every tiny patch of the Klein Bottle is 2-dimensional. In this sense, a Klein Bottle is a 2-dimensional manifold which can only exist in 4-dimensions! Alas, our universe has only 3 spatial dimensions, so even Acme's dedicated engineers can't make a true Klein Bottle.

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  • CerebraLux: a low-cost, open-source, wireless probe for ...

    2017-10-11 · Currently, the LED we used produces 8.1 mW of light power at maximum forward voltage, but 0.824 mW of total power or 4.2 mW mm 2 is transmitted through the fiber-optic at a 10-Hz frequency, a transmission efficiency of 10.6%. It must be noted that our device utilizes direct butt-coupling between the diode and the waveguide with no optical ...

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  • Method for vertical positioning of dental implants ...

    FIG. 3 illustrates use of a prior art device to gauge the depth of a hole drilled in a jawbone for installation of a dental implant. FIG. 4 illustrates: (A) a typical dental implant part; and (B) a preferred corresponding implant positioning device according to the invention.

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  • Enhancement of hole mobility in InSe monolayer via an InSe ...

    To enhance the low hole mobility (∼40 cm 2 V −1 s −1) of InSe monolayer, a novel two-dimensional (2D) van der Waals heterostructure made of InSe and black phosphorus (BP) monolayers with high hole mobility (∼10 3 cm 2 V −1 s −1) has been constructed and …

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  • Large-area assembly of three-dimensional nanoparticle ...

    Large-area assembly of three-dimensional nanoparticle structures via ion assisted aerosol lithography with a multi-pin spark discharge generator Kyungyeon Ha1,2, Hoseop Choi1,2, Kinam Jung1,2, Kyuhee Han1,3, Jong-Kwon Lee2, KwangJun Ahn2 and Mansoo Choi1,2 1School of Mechanical and Aerospace Engineering, Seoul National University, Seoul, 151 ...

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  • Three-Dimensional Zn0.5Cd0.5S/Reduced Graphene Oxide ...

    Figure 2 is the Raman spectra of GO sheets and Zn 0.5 Cd 0.5 S/RGO hybrid aerogel material. Obviously, both curves show two prominent bands at 1350 cm −1 (D band) and 1590 cm −1 (G band), demonstrating the existence of carbon species [8, 21, 31].D band is commonly related to the structural disruption and defects of the symmetrical hexagonal graphitic lattice, while G band is attributed to ...

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  • Three-Dimensional-Printed Poly-L-Lactic Acid Scaffolds ...

    2020-4-24 · 2. Materials and Methods 2.1. Design of Experiment. Eighteen male New Zealand white rabbits (6-8 weeks old, 2.5-3.0 kg) were randomly divided into three groups (groups I, II, and III, ); each group used 3D-printed PLLA scaffolds of different pore sizes to distract the periosteum of the skull. The protocol of general experiment is shown in Figure 1.

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  • Sorry, this product can't be shipped to your region.

    Find quality Manufacturers, Suppliers, Exporters, Importers, Buyers, Wholesalers, Products and Trade Leads from our award-winning International Trade Site. Import & Export on alibaba.com

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  • Band Alignment Engineering in Two‐Dimensional Transition ...

    1 Introduction. Photodetectors, which convert the incoming optical signals into electric signals, are one of the key components in many modern multifunctional technologies and devices. [] The application of photodetectors covers plenty of fields from the military, national economy, to people's daily lives, such as the detection of X-rays for biomedical imaging, [] the detection of visible ...

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  • nanomaterial and dimensional effect - SlideShare

    2013-5-8 · The filler materials, whether 0-D, 1-D, or2-D nanomaterials are used to make film and bulk nanocomposites. 43. 43. 44. 44 Many applications, especially in nanoelectronics, require the use of various kinds of physical features, suchas channels, grooves, and raised lines, that are at the nanoscale (see Figure 1)Two-dimensional …

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  • Nets of 3D Shapes Worksheets - Math Worksheets 4 Kids

    Turn the boredom of your grade 4 through grade 8 students into a fun-filled experience with endless options like drawing nets, cut and glue activity, and more. Comprehend how a 3D figure unfolds into a 2-dimensional net and how a 2D net folds into a 3D shape. Don't miss out on our free worksheets.

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  • Welcome to SKF

    SKF's main website. It contains all our products, services and industry information (in English). Stock information, financial reports financial calendar, press releases, and other relevant material for investors, analysts and other stakeholders. Unmatched quality and market coverage. The SKF Vehicle Aftermarket boasts a product range of over ...

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  • Software for 3D Printing - 3D Modeling Software/Slicers/3D ...

    3DPrinterOS. This nifty cloud 3D printer management software comes at a cost. The essential idea is the management of the entire 3D printing process with one platform. Users can edit and repair designs, slice STL files from the cloud, and even send files for printing from anywhere in the world.

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  • US5215088A - Three-dimensional electrode device - Google ...

    A three-dimensional electrode device is disclosed. The device is useful as a neuron interface or as a cortical implant. A plurality of spire-shaped electrodes, formed of semiconductor material, are associated with a rigid base. The electrodes are electrically isolated from each other at the base. Multiplexing circuitry allows the electrodes to be addressed individually.

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  • Quantitative fit analysis of acromion fracture plating ...

    (40%, n = 6), and lastly due to blunt trauma (13.3%, n =2). The Digital Imaging and Communication in Medicine (DICOM) files of the acromion fractures were obtained from the CT scans. These DICOM images were made to create indi-vidual in-silico three-dimensional (3D) models of the fractured scapulae using Materialise Mimics (Leuven, Belgium ...

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  • Real-Time Three-Dimensional Ultrasound for Guiding ...

    2018-6-3 · The three surgical tasks were bead-in-hole navigation, bead-to-bead navigation, and clip fixa- tion. The first task required subjects to place a plastic bead 4 mm in diameter into a 5-mm hole in a canvas sheet (Fig. la and b). Starting with a plastic bead in the jaws of a standard endoscopic grasper (Ethicon Endosurgery, Cincinnati, OH),

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  • 2-dimensional materials-based electrical/optical platforms ...

    2020-6-9 · With increasing concentrations of the target, or upon accumulation on the graphene surface, the hole carrier density is modified and leads to an increase in capacitance and changes in electrical signals. The method can detect EBOV with a concentration range from 2.4 × 10 −12 g ml −1 to 1.2 × 10 −7 g ml −1 and a LOD of 2.4 pg ml −1.

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  • Characterization of Hen’s Egg White To Use It as a Novel ...

    2020-8-11 · We are standardizing protocols to develop egg white (EW) as a cost-effective platform for culture of three-dimensional (3-D) multicellular tumor spheroids for application in understanding tumor microenvironments and drug screening. In this article, we describe several physical and physiological characteristics of EW to use it as 3-D cell culture platform. Field emission scanning electron ...

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  • GrabCAD: Design Community, CAD Library, 3D Printing

    GrabCAD is the largest online community of professional engineers, designers & students. Learn about our 3D printing software GrabCAD Print & GrabCAD Shop

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  • 7.8: Cubic Lattices and Close Packing - Chemistry LibreTexts

    2021-7-3 · Simple- and body-centered cubic structures. In Section 4 we saw that the only cubic lattice that can allow close packing is the face-centered cubic structure. The simplest of the three cubic lattice types, the simple cubic lattice, lacks the hexagonally-arranged layers that are required for close packing.

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  • Etsy - Shop for handmade, vintage, custom, and unique ...

    Original Price 18.00'. (20% off) Metropolitan Grey Linen Table Cloth - Washable Linen - Neutral Tablecloth - Market Linen - 72' x 54' - Made in Atlanta. 92.99. Leather blanket strap carrier for a picnic blanket, Custom blanket strap in brown, blanket roll. Perfect …

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  • Three-dimensional figures - Cylinders, cones and spheres ...

    Finally, we'll examine the sphere, a space shape defined by all the points that are the same distance from the center point. Like a circle, a sphere has a radius and a diameter. The shape of the earth is like a large sphere -- it has radius of about 4000 miles. A tennis ball is a sphere with a radius of about 2.5 inches.

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  • Cults ・ Download for free 3D models for 3D printers

    Cults is for you! Browse our different categories and download the best 3D printer models for free, open-source or paid mode, in .STL, .OBJ or .SCAD format, they are all 3D printable guaranteed. We are connecting 3D print files makers with people who want to use their 3D printer. Our 3D model repository acts as a real source of inspiration ...

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  • Structural nanotechnology: three-dimensional cryo-EM and ...

    A nanoreactor was also made that incorporated horseradish peroxidase by covalently attaching the enzyme to the cysteine. 150 Horseradish peroxidase can be used to catalyze ATRP, and to form the polymer. Like the Cu 2+-immobilizing system, the resulting polymers had a small molecular weight distribution compared to the products of bulk reactions ...

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  • New family of tilings of three-dimensional Euclidean space ...

    2011-7-5 · It is well known that two regular tetrahedra can be combined with a single regular octahedron to tile (complete fill) three-dimensional Euclidean space ![Graphic][1] . This structure was called the “octet truss” by Buckminster Fuller. It was believed that such a tiling, which is the Delaunay tessellation of the face-centered cubic (fcc) lattice, and its closely related stacking variants ...

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  • Three-dimensional metamaterials with a natural bent ...

    2014-10-24 · Three-dimensional metamaterials with a natural bent Date: October 24, 2014 Source: RIKEN Summary: Scientists have succeeded in creating a large metamaterial, up to 4 mm x 4 …

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  • Three-Dimensional Zn0.5Cd0.5S/Reduced Graphene Oxide ...

    Figure 2 is the Raman spectra of GO sheets and Zn 0.5 Cd 0.5 S/RGO hybrid aerogel material. Obviously, both curves show two prominent bands at 1350 cm −1 (D band) and 1590 cm −1 (G band), demonstrating the existence of carbon species [8, 21, 31].D band is commonly related to the structural disruption and defects of the symmetrical hexagonal graphitic lattice, while G band is attributed to ...

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  • The International Journal of Advanced Manufacturing ...

    2021-8-24 · The International Journal of Advanced Manufacturing Technology bridges the gap between pure research journals and the more practical publications on advanced manufacturing and systems. It therefore provides an outstanding forum for papers covering applications-based research topics relevant to manufacturing processes, machines and process ...

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  • Three-dimensional self-assembly using dipolar interaction ...

    Interaction between dipolar forces, such as permanent magnets, generally leads to the formation of one-dimensional chains and rings. We investigated whether it was possible to let dipoles self-assemble into three-dimensional structures by encapsulating them in a shell with a specific shape. We found that the condition for self-assembly of a three-dimensional crystal is satisfied when the ...

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  • Real-Time Three-Dimensional Ultrasound for Guiding ...

    2018-6-3 · The three surgical tasks were bead-in-hole navigation, bead-to-bead navigation, and clip fixa- tion. The first task required subjects to place a plastic bead 4 mm in diameter into a 5-mm hole in a canvas sheet (Fig. la and b). Starting with a plastic bead in the jaws of a standard endoscopic grasper (Ethicon Endosurgery, Cincinnati, OH),

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  • Two-dimensional polymer breakthrough that could ...

    2021-8-21 · Two-dimensional polymer breakthrough that could revolutionize energy storage. Date: March 13, 2017. Source: National University of Singapore. Summary: Polymers, such as plastic and synthetic ...

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    Formlabs develops the Form 3 and Form 3L Low Force Stereolithography (LFS) and Fuse 1 selective laser sintering (SLS) 3D printers for professionals.

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  • Stretchable ultrasonic transducer arrays for three ...

    Ultrasonic imaging has been implemented as a powerful tool for noninvasive subsurface inspections of both structural and biological media. Current ultrasound probes are rigid and bulky and cannot readily image through nonplanar three-dimensional (3D) …

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  • Templating Three-Dimensional Self-Assembled Structures in ...

    2012-6-8 · Block copolymers will spontaneously separate into a range of microstructures that depend on the polymer block lengths and chemical compositions, and have been used as a templating material because one can selectively etch or functionalize one of the blocks. However, creating a template that is more than one layer thick is challenging. Tavakkoli K. G. et al. (p. [1294][1]) used an array of ...

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  • 7.8: Cubic Lattices and Close Packing - Chemistry LibreTexts

    2021-7-3 · Simple- and body-centered cubic structures. In Section 4 we saw that the only cubic lattice that can allow close packing is the face-centered cubic structure. The simplest of the three cubic lattice types, the simple cubic lattice, lacks the hexagonally-arranged layers that are required for close packing.

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  • LASER FABRICATION Folding three-dimensional

    2012-12-4 · 2, WS 2 and NbSe 2. These materials offer a wide variety of interesting optical and electronic properties. For example, graphene is a highly conductive semimetal, hexagonal boron nitride is a 5.5 eV wide-bandgap semiconductor, and monolayer MoS 2 is a 1.8 eV direct-gap semiconductor 2. These materials can be fabricated as atomically thin membranes,

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  • Mechanical properties of two-dimensional materials and ...

    2018-12-24 · For a three-dimensional (3D) system, the elastic modulus and maximum strength have a unit of elastic energy per volume (J m –3 or Pa), whereas a 2D system uses the units J m –2 or N m –1 to describe the planar energy instead of the volumetric counterpart. Because 2D materials have atom-scale thicknesses, the in-plane behaviors are ...

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  • Frontiers

    2021-4-23 · As a typical three-dimensional Dirac semimetal (3D DSM), Cd3As2 possess ultrahigh carrier mobility, high level of full spectral absorption, fast electron transmission speed, and high photocurrent response, which enable wide applications in infrared photodetector. However, the resistance of pristine Cd3As2 thin film is very small, leading to large dark current of its based detector and limiting ...

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  • Excitons in Two-Dimensional Materials

    2019-12-13 · Because of the reduced dielectric screening and enhanced Coulomb interactions, two-dimensional (2D) materials like phosphorene and transition metal dichalcogenides (TMDs) exhibit strong excitonic effects, resulting in fascinating many …

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  • Biggest 3D map of the universe yet

    2017-5-30 · May 30, 2017. A slice through the largest 3-D map of the universe to date. Quasars are in red and nearer galaxies in yellow. Image by Anand Raichoor and …

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  • A Perfusion Bioreactor System for Cell Seeding and Oxygen ...

    2018-10-17 · Bioreactor systems facilitate three-dimensional (3D) cell culture by coping with limitations of static cultivation techniques. To allow for the investigation of proper cultivation conditions and the reproducible generation of tissue-engineered grafts, a bioreactor system, which comprises the control of crucial cultivation parameters in independent-operating parallel bioreactors, is beneficial.

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  • Singularities - Black Holes and Wormholes - The Physics of ...

    In the center of a black hole is a gravitational singularity, a one-dimensional point which contains a huge mass in an infinitely small space, where density and gravity become infinite and space-time curves infinitely, and where the laws of physics as we know …

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    The OmniScan MX2 phased array flaw detector with touch screen interface offers increased testing efficiencies and powerful software features, ensuring superior manual and advanced AUT application performance with fast setups, test cycles, and …

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  • 22 CFR § 121.1 - The United States Munitions List.

    2021-8-3 · The following interpretations explain and amplify the terms used in this category: (1) A firearm is a weapon not over .50 caliber (12.7 mm) which is designed to expel a projectile by the deflagration of propellant; (2) A fully automatic firearm or shotgun is any firearm or shotgun that shoots, is designed to shoot, or can readily be restored to shoot, automatically more than one shot, without ...

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    3DPrinterOS. This nifty cloud 3D printer management software comes at a cost. The essential idea is the management of the entire 3D printing process with one platform. Users can edit and repair designs, slice STL files from the cloud, and even send files …

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    2020-8-17 · Whether you need to fix, build, create or learn, eHow gives you practical solutions to the problems life throws at you. We empower you to efficiently solve each new challenge and make your life better and easier ...

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  • Dallas Invents: 111 Patents Granted for Week of July 6 ...

    Dallas Invents is a weekly look at U.S. patents granted with a connection to the Dallas-Fort Worth-Arlington metro area. Listings include patents granted to local assignees and/or those with a North Texas inventor. Patent activity can be an indicator of future economic growth, as well as the development of emerging markets and talent attraction.

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    2.2.2 Optimization phase The optimization phase strictly aims at finding the best parameters such that the CAD template fits the N registered STL objects according to an optimality criterion. With this respect, the minimization of mean Euclidean distance (or mean square error) represents a straightforward choice.

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