TERMIUM Plus®

The Government of Canada’s terminology and linguistic data bank.

THERMAL BOND [11 records]

Record 1 2018-02-21

English

Subject field(s)
  • Biochemistry
  • Biotechnology
DEF

Enzyme that catalyzes the hydrolysis of a [beta]-(1,4)-glycosidic bond between the N-acetylmuramic acid and N-acetylglucosamine residues of the mucopeptide found in the cell walls of many bacteria. This action weakens the covalent structure of the wall and reduces its resistance to osmotic swelling, as a result of which the cells burst.

CONT

By recombinant DNA techniques, a disulfide bond was introduced at a specific site in T4 lysozyme, a disulfide-free enzyme. This derivative retained full enzymatic activity and was more stable toward thermal inactivation than the wild-type protein. The derivative, T4 lysozyme(Ile3-> Cys), was prepared by substituting a Cys codon for an Ile codon at position 3 in the cloned lysozyme gene by means of oligonucleotide-dependent, site-directed mutagenesis.

CONT

The well-known human protein lysozyme, present in human tears is also present in the urine of pregnant women and may block HIV virus.

OBS

Also called muramidase or mucopeptide glycohydrolase.

Key term(s)
  • mucopeptide glycohydrolase

French

Domaine(s)
  • Biochimie
  • Biotechnologie
DEF

Enzyme capable de détruire la paroi cellulaire de nombreuses bactéries (action bactériolytique). Il catalyse l'hydrolyse des mucopolysaccharides entrant dans la structure de cette paroi. C'est une protéine globulaire basique contenant 129 acides aminés, qui existe dans le blanc d'œuf, les larmes, la salive, et dans de nombreuses sécrétions.

CONT

L'équipe du Professeur Hideaki Tanaka [...] a produit un lysozyme humain recombinant. La séquence signal du gène du lysozyme de poulet a été associée au gène du lysozyme humain, puis l'ADN hybride inséré dans le plasmide d'un Saccharomyces cerevisiae. Cette levure recombinée produit alors 0,4 mg de lysozyme humain actif par litre de milieu de culture (63% de sa production protéique totale).

Spanish

Campo(s) temático(s)
  • Bioquímica
  • Biotecnología
OBS

Enzima de la saliva que en condiciones de laboratorio ha demostrado [tener cierta] capacidad para inactivar el VIH.

Save record 1

Record 2 2012-05-16

English

Subject field(s)
  • Biochemistry
CONT

Enzymes immobilized on inorganic supports by covalent attachment show unique pH optimums, thermal profiles and kinetics. Organic functional groups are covalently attached to the support using a silane coupling agent.... The most common silane coupling agent used is [gamma]-aminopropyltriethoxy-silane. Silanes such as this react with any available oxide or hydroxide groups on the surface of glass, ceramics or metal oxides.... Once an alkylamine group has been attached to the inorganic support it takes only standard organic coupling reactions to covalently bond the protein of interest.

French

Domaine(s)
  • Biochimie
CONT

Une composition aqueuse de collage pour fibres optiques comprend un composant de formation de film polymère, au moins un agent de couplage de silane et au moins un lubrifiant.

Spanish

Save record 2

Record 3 2011-07-11

English

Subject field(s)
  • Trade Names
  • Footwear and Shoe Repair
DEF

The world’s best-known branded footwear lining.

OBS

Cambrelle is a needlepunch/thermal bond line which is widely recognised in the shoe industry and enjoys strong presense in North America and Europe. Viewed as the world's number one shoe lining, it provides an unbeatable combination of comfort, absorbency and hard wearing, quality performance.

OBS

Cambrelle®: A trademark of Camtex Fabrics Ltd.

Key term(s)
  • Cambrelle

French

Domaine(s)
  • Appellations commerciales
  • Chaussures et cordonnerie
OBS

Intégré à la chaussure, la doublure Cambrelle a une forte capacité d'absorption et de désorption de l'humidité qui permet de maintenir le pied au sec tout au long de la journée.

OBS

Cambrelle® : Marque de commerce de la société Camtex Fabrics Ltd.

Key term(s)
  • Cambrelle

Spanish

Save record 3

Record 4 2011-06-23

English

Subject field(s)
  • Energy (Physics)
  • Atomic Physics
CONT

It has been well established in pure and applied chemistry of simple molecules that reaction energies at room temperature can be understood in terms of two contributions, one related to energy differences at 0 K [Kelvin](the innate inherent chemical bond energy) and the other associated with integrals of heat capacity data over a range of temperatures(the thermal agitation energy). The necessity of a comparable separation of energy terms for biological reactions, however, has not been obvious to most workers in structural and molecular biology.

French

Domaine(s)
  • Énergie (Physique)
  • Physique atomique

Spanish

Save record 4

Record 5 2007-02-02

English

Subject field(s)
  • Spacecraft
  • Launchers (Astronautics)
  • Weapon Systems
DEF

A polyurethane-base composite adhesive to bond the propellant to the thermal insulation.

French

Domaine(s)
  • Engins spatiaux
  • Lanceurs (Astronautique)
  • Systèmes d'armes
DEF

Revêtement peu combustible appliqué sur la paroi interne de l'enveloppe d'un propulseur à propergol solide et contribuant à la protection de cette paroi ainsi qu'à la liaison entre le bloc de propergol et l'enveloppe.

Spanish

Save record 5

Record 6 2003-12-15

English

Subject field(s)
  • Launchers (Astronautics)
CONT

Modern techniques (e.g., computer tomography) should be used to detect solid-propellant defects and propellant-to-insulation bondline separation before motor assembly.

CONT

Stress relief flaps are in the forward and aft domes in order to reduce propellant curing induced loads along the propellant/thermal insulation bond lines.

French

Domaine(s)
  • Lanceurs (Astronautique)
CONT

Des clapets de détente sont montés sur les dômes avant et arrière pour réduire les charges induites par la polymérisation du propergol le long des lignes de contact entre ce dernier et l'isolement thermique.

Spanish

Save record 6

Record 7 2000-09-19

English

Subject field(s)
  • Glues and Adhesives (Industries)
  • Printed Circuits and Microelectronics
CONT

In the electronics industry high-temperature cements are often used for fastening thermocouples, strain gages, and similar devices to surfaces that are often comprised of ceramic materials, many of which may be magnesium-oxide based. For lower temperatures(on the order of a few hundred degrees Celsius), a number of high-temperature epoxies are available. In addition to its ability to withstand the temperatures to which it will be subjected, the important characteristics of a high-temperature cement include its coefficient of thermal expansion(which should be as close as possible to those of the materials it is to join), ability to adhere to the materials it is to join, bond strength, resistance to the environment to which it will be exposed, etc.

French

Domaine(s)
  • Colles et adhésifs (Industries)
  • Circuits imprimés et micro-électronique

Spanish

Save record 7

Record 8 1999-11-24

English

Subject field(s)
  • Textile Industries
CONT

Today it is possible to bond most the... materials with synthetic adhesives. The essential difference is not found in the formation of a sufficient adhesive strength to the adherends but in the properties of the adhesive layers formed by them under mechanical stress or long term influences.... The connection between the deformation properties of the adherends and the adhesive layers must be considered. For materials with a high deformation capacity under stress and/or different thermal expansion properties adhesives with flexible properties in the adhesive layer should be used and vice versa(within certain limits the thickness of the adhesive layer can be increased).

OBS

Adhesives: In textiles, materials which cause fibers, yarns, or fabric to stick together or to other materials.

French

Domaine(s)
  • Industries du textile

Spanish

Save record 8

Record 9 1998-03-09

English

Subject field(s)
  • Materials Engineering
  • Inspection for Defects (Materials Engineering)
  • Strength of Materials
CONT

Suggested topic areas include :... Use of composite materials(fiber-reinforced polymers or FRPs) as reinforcement to concrete for new construction and repair : interface performance, bond and development length; effects on crack spacing and width; effects on concrete tension stiffening; thermal compatibility; and durability.

French

Domaine(s)
  • Génie des matériaux
  • Détection des défauts des matériaux
  • Résistance des matériaux
CONT

Comment contrôler l'espacement des fissures de contraction thermique dans les revêtements en béton bitumineux.

Spanish

Save record 9

Record 10 1991-02-06

English

Subject field(s)
  • Textile Industries
DEF

... a bicomponent filament with a core of high melting point polymer surrounded by an outer coaxial sheath of lower melting point polymer.

CONT

A special technique of introducing a second polymer into a thermally bonded geotextile is to incorporate some heterofilaments within the geotextile matrix. These filaments simply consist of one polymer enclosed within a sheath of another polymer. A good thermal bond can be achieved between all the constituent filaments provided the outer sheath is made from the same polymer as any monofilaments within the geotextile matrix.

French

Domaine(s)
  • Industries du textile

Spanish

Save record 10

Record 11 1982-08-31

English

Subject field(s)
  • Heat (Physics)
  • Wastewater Treatment
CONT

Thermal conditioning. The bond between the water and the colloidal matter can also be broken by thermal methods : by raising the temperature, by lowering the temperature.

French

Domaine(s)
  • Chaleur (Physique)
  • Traitement des eaux usées
CONT

Conditionnement thermique. La rupture des liaisons de l'eau et de la matière colloïdale peut être obtenue par voie thermique: soit par montée de la température, soit par abaissement de la température.

Spanish

Save record 11

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