Numerical Aperture is defined as the Sine of half of the angle of fibres light acceptance cone. i.e. NA= Sin θ a where θ a, is called acceptance cone angle. Let the spot size of the beam at a distance d (distance between the fiber end and detector) as the radius of the spot(r). Then, ----- (4) Answered on: 2016/11/14 by ExamFear

The incidence of a third root was 13% and was strongly correlated with the ethnicity of the studied population. Three canals were present in 61.3%, 4 canals in 35.7%, and 5 canals in approximately 1%.

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increased incidence of pneumothorax (20% to 45%), which requires chest tube placement in 5% to 15% of patients.8–11 Complications of TTNA, such as pneumothorax and hemorrhage, are associated with prolonged hospital stays, blood transfusions, and increased rates of mechanical ventilation for respiratory failure.12 In addition, after TTNA,

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application to noncircular shapes is the solution for the elliptic cone at zero incidence (ref. 10). These four references constitute the liter- ature on this subject, aside from papers by Adams and Sears (ref. 6), Legras (ref. Xl.), and Keune (ref. l2), who ignore nonlinear effects and

Les cinq premiers pays touchés en 2007 sont : l’Inde (2 millions), la Chine (1,3 millions), l’Indonésie (530 000), le Nigéria (460 000) et l’Afrique du Sud (460 000) . Notre patient était originaire de Thaïlande et y était retourné une seule fois en 2004 pour un séjour de deux semaines.

Définition du mot procidence dans le dictionnaire Mediadico. Les champs marqués d'un astérisque sont obligatoires. Ces informations sont destinées au groupe Bayard, auquel NotreFamille appartient.

Définition du mot point_d_incidence dans le dictionnaire Mediadico. Les champs marqués d'un astérisque sont obligatoires. Ces informations sont destinées au groupe Bayard, auquel NotreFamille appartient.

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The three bands forming this Dirac cone are highlighted with red curves. Once the lattice constant is detuned to 2.7 cm, the Dirac cone opens up to a bandgap, resulting in single zero index properties. (c, d) Full wave simulation o f transmissions of one metamaterials with eight unit cells for normal incidence, respectively. High

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The rating cone index based on Willoughby and Turnage’s empirical equation is not affected by the platforms for wheel sinkage and slip measurements. 3. The wheel sinkage based on the average of the track depths formed by tire surface and lugs may be appropriate for rating cone index estimation. 4.

netic dipole moments can be determined for all angles of incidence and, for preference, be a shape whose low frequency scattering behavior is of interest for its own sake. A body which satisfies these requirements is a finite cone whose base is part of a spherical surface centered on the apex of the cone.

The Dynamic Gait Index (DGI) was developed as a clinical tool to assess gait, balance and fall risk. It evaluates not only usual steady-state walking, but also walking during more challenging tasks. It assesses the individuals ability to modify balance while walking in presence of external demands.

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The cone index and supporting soil consistency measurements are intended to represent the soil characteristics with the greatest influence on the immobilization for the particular vehicle and terrain conditions. To establish the VCI measurement for a particular vehicle configuration, several multi-pass experiments are conducted in a range of ...

An inde- pendent bleaching light is applied whose angle of incidence on the retina is varied. When the receptor disarray exceeds the acceptance angle of an individual cone, the pigment in receptors pointing into the direction of the bleaching light will be bleached more efficiently than the pig- ment in receptors making an angle with the ...

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(for normal incidence only), a paper (ref. 14) appeared which described the inde- pendent development of essentially the same approach to the problem of solving the propagation equations for arbitrary angles of incidence. A computer program for arbitrary angles of incidence was already in operation at the Langley Research

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RESEARCH Open Access A critical role for STIM1 in filopodial calcium entry and axon guidance Sangwoo Shim1,2,3,4, James Q Zheng1,2* and Guo-li Ming3,4,5 Abstract Background: Stromal interaction molecule 1 (STIM1), a Ca2+ sensor in the endoplasmic reticulum, regulates store-operated Ca2+ entry (SOCE) that is essential for Ca2+ homeostasis in many types of cells.

Shock interaction on a cone 603 wave is not restricted in strength, and the conservation equations applied across the shock, with the Mach number M = U/C,, yield where the subscripts correspond to the particular flow regions (1) and (0). The Mach number of the cone is M‘ = W/Co.For the present discussion the origin is on the apex, point A of figure 3.

Aug 28, 2012· Introduction. The mandibular first molars are the most frequently treated teeth in endodontic procedures ().Mental nerve paresthesia (MNP) and inferior alveolar nerve (IAN) paresthesia (IANP) due to periapical pathosis have been reported ().The IAN, which is a branch of the mandibular nerve, is prone to injury due to trauma, tumours, and a variety of surgical treatments.

A cone with a region including its apex cut off by a plane is called a "truncated cone"; if the truncation plane is parallel to the cone's base, it is called a frustum.An "elliptical cone" is a cone with an elliptical base. A "generalized cone" is the surface created by the set of lines passing through a vertex and every point on a boundary (also see visual hull).