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LENGTH WIDTH RATIO [8 records]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2014-03-17

English

Subject field(s)
  • Construction Materials
DEF

Particle of aggregate for which the ratio of the length to width of its circumscribing rectangular prism is greater than a specified value.

French

Domaine(s)
  • Matériaux de construction
CONT

Les corps prismatiques. La plupart des pièces de construction [...] se présentent sous l'aspect d'un solide [...] allongé dont les sections transversales sont de faibles dimensions vis-à-vis de la longueur [...]

Spanish

Campo(s) temático(s)
  • Materiales de construcción
DEF

Partícula [de agregado] cuya relación (l/b) entre longitud (l) y ancho (b) es mayor de 1,5.

Save record 1

Record 2 2012-07-16

English

Subject field(s)
  • Mathematics
  • Architectural Design
DEF

... the ratio into which a line segment must be divided so that the entire length is to the long part as the long part is to the short. The value of the ratio is about 1.618.

CONT

From [the golden section] can be derived the golden number ... 1.618, which was widely claimed in the nineteenth and twentieth centuries to be the key to the beautiful proportions of Greek and other classical architecture.

CONT

Many artists believe that of all rectangles, the one whose length and width make a golden ratio has the most pleasing dimensions; hence the prominence of the golden ratio in architecture, exemplified by the Parthenon.

French

Domaine(s)
  • Mathématiques
  • Conception architecturale
DEF

[...] en architecture, nombre idéal, égal à environ 1,618, correspondant à une proportion considérée comme particulièrement esthétique, celle de deux dimensions dont la plus grande est avec la plus petite dans le même rapport que la somme des deux avec la plus grande.

DEF

nombre réel irrationnel [...] définissant la proportion dorée.

OBS

nombre d'or : [...] L'expression, qui date de la Renaissance, désigne un nombre entouré de diverses spéculations qui se définit mathématiquement; c'est l'expression numérique d'un rapport défini par Euclide et qu'on appelait pendant la Renaissance section d'or ou section divine.

OBS

Voir aussi «section d'or» et «rectangle d'or».

Spanish

Campo(s) temático(s)
  • Matemáticas
  • Diseño arquitectónico
Save record 2

Record 3 2004-07-13

English

Subject field(s)
  • Gemmology
  • Diamond Industry
DEF

The comparison of the length and width of the girdle outline on marquise, emerald, pear-shape, and oval cuts, determined by dividing the length by the width.

CONT

Describe a typical polishing sequence for a princess shape :... f) brillianteer the diamond : create the stars : shape of the stars varies depending on the diamond's length-to-width ratio, crown height and table size...

OBS

The width is expressed as 1. Some length-to-width ratios are considered more pleasing than others; these include: marquise, 1.75-2.25:1; oval, 1.33-1.66:1; emerald cut and pear shape, 1.50-1.75:1.

Key term(s)
  • length to width ratio

French

Domaine(s)
  • Gemmologie
  • Industrie diamantaire
DEF

Rapport obtenu en divisant le pourtour du rondiste d'une taille marquise, émeraude, poire ou ovale, par sa largeur.

Spanish

Save record 3

Record 4 2002-06-26

English

Subject field(s)
  • Textile Weaving (Textile Industries)
CONT

Warp and weft yarns lie to a certain extent in a wavy form in a fabric. There is, therefore, a difference in length between straightened yarns and the yarns in the wavy form in the fabric, both in warp and weft direction. In order to be able to produce the fabric required, information is needed for predicting the length, width and mass per unit area of the fabric. This difference in length between the yarn and the fabric is usually referred to as crimp, a parameter which is significant for the structure of the fabric and also for the pore shape and size. When the fabric is loaded there is often a change in the ratio of the crimp of the warp and weft system. This change is referred to as crimp interchange. Crimp affects the mechanical properties of the fabric.

OBS

See record "crimp".

French

Domaine(s)
  • Tissage (Industries du textile)

Spanish

Save record 4

Record 5 2002-03-14

English

Subject field(s)
  • Textile Industries
  • Textile Weaving (Textile Industries)
OBS

Warp and weft yarns lie to a certain extent in a wavy form in a fabric. There is, therefore, a difference in length between straightened yarns and the yarns in the wavy form in the fabric, both in warp and weft direction. In order to be able to produce the fabric required, information is needed for predicting the length, width and mass per unit area of the fabric. This difference in length between the yarn and the fabric is usually referred to as crimp, a parameter which is significant for the structure of the fabric and also for the pore shape and size. When the fabric is loaded there is often a change in the ratio of the crimp of the warp and weft system. This change is referred to as crimp interchange. Crimp affects the mechanical properties of the fabric.

French

Domaine(s)
  • Industries du textile
  • Tissage (Industries du textile)
DEF

Différence entre la longueur d'un fil (de chaîne ou de trame) extrait d'un tissu et la longueur que ce même fil occupait dans le tissu; l'embuvage s'exprime en pourcentage de la longueur occupée par le fil dans le tissu.

DEF

Raccourcissement des fils de la chaîne par le tissage, occasionné par les entrecroisements de la chaîne avec la trame.

OBS

L'embuvage s'exprime, en pourcentage, par le rapport de la perte de longueur des fils de la chaîne à la longueur du tissu, et varie pour les tissus plats courants, de 5 à 15 %. Cependant, il peut atteindre des valeurs considérables dans le tissage de certains articles (velours par chaîne, peluche, tissu-éponge, etc.).

Spanish

Save record 5

Record 6 2001-07-06

English

Subject field(s)
  • Printed Circuits and Microelectronics
CONT

A long, narrow, shallow groove or cut below the established plane of the wafer surface, seen either before or after etching or epitaxy. The ratio of the length of the figure to the width of the figure must be greater than 5 : 1 in order to be defined as a scratch. Macroscratches are equal to or greater than 0. 12 um in depth and must be visible to the unaided eye under both incandescent and fluorescent illumination.

French

Domaine(s)
  • Circuits imprimés et micro-électronique

Spanish

Save record 6

Record 7 - external organization data 1994-10-04

English

Subject field(s)
  • Engineering Tests and Reliability
  • Transport of Goods
  • Radiation Protection
  • Compartment - Canadian Nuclear Safety Commission
CONT

Test for Special Form Radioactive Material.... Bending test : This test is performed only on long slender material with a minimum length of 10 cm and a length to minimum width ratio of not less than 10. The material is rigidly clamped in a horizontal position so that one half of its length protrudes from the face of the clamp. The orientation of the material is such that the package suffers maximum damage when its free end is struck by the flat face of a steel billet. The billet strikes the material so as to produce an impact equivalent to that resulting from a free vertical fall of 1. 4 kg through one metre.

French

Domaine(s)
  • Fiabilité, contrôle et essais (Ingénierie)
  • Transport de marchandises
  • Radioprotection
  • Tiroir - Commission canadienne de sûreté nucléaire
CONT

Épreuves pour les matières radioactives sous forme spéciale. [...] Épreuve de pliage. Cette épreuve n'est applicable qu'à des matières minces et longues dont la longueur minimale est de 10 cm et dont le rapport entre la longueur et la largeur minimales n'est pas inférieur à 10. Les matières sont serrées rigidement dans un étau, en position horizontale, de manière que la moitié de leur longueur dépasse des mors de l'étau. Elles sont orientées de telle sorte qu'elles subissent le plus de dommages possibles lorsque leur extrémité libre est frappée avec la face plane d'une barre d'acier. La barre frappe les matières de manière à produire un choc équivalent à celui que provoquerait un poids de 1,4 kg tombant en chute libre d'une hauteur d'un mètre.

Spanish

Save record 7

Record 8 1987-05-07

English

Subject field(s)
  • HVAC Distribution Systems
DEF

Ratio of the length to width of a rectangular air outlet.

French

Domaine(s)
  • Distribution et évacuation (chauffage et conditionnement d'air)
DEF

Rapport longueur/largeur d'une bouche de soufflage rectangulaire.

Spanish

Save record 8

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