TERMIUM Plus®

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

PH DECREASE [8 records]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2024-07-23

English

Subject field(s)
  • Water Pollution
  • Oceanography
DEF

A decrease in the pH of sea water due to the uptake of anthropogenic carbon dioxide.

French

Domaine(s)
  • Pollution de l'eau
  • Océanographie
DEF

Diminution du pH de l'eau de mer due à l'absorption de dioxyde de carbone anthropique.

Spanish

Campo(s) temático(s)
  • Contaminación del agua
  • Oceanografía
CONT

La acidificación de los océanos se produce cuando, a través de un conjunto de reacciones químicas, el agua del mar absorbe CO2.

Save record 1

Record 2 2020-09-29

English

Subject field(s)
  • Hydrology and Hydrography
  • Ecosystems
  • Water Pollution
CONT

Amphibians are experiencing a general decrease in abundance due to several anthropogenic activities, one of the most important being acidification. Common species of frogs have been reported to be gradually decreasing and eventually disappearing from poorly buffered and acidified ponds and lakes. Lower pH and calcium concentration significantly [limits] frog reproduction and development.

French

Domaine(s)
  • Hydrologie et hydrographie
  • Écosystèmes
  • Pollution de l'eau

Spanish

Save record 2

Record 3 2012-02-16

English

Subject field(s)
  • Endocrine System and Metabolism
DEF

Metabolic acidosis occurs when reductions in plasma bicarbonate decrease pH.

French

Domaine(s)
  • Systèmes endocrinien et métabolique
DEF

Trouble du métabolisme caractérisé par un déséquilibre acido-basique de l'organisme se traduisant par une baisse du pH sanguin.

Spanish

Campo(s) temático(s)
  • Sistemas endocrino y metabólico
Save record 3

Record 4 2010-03-19

English

Subject field(s)
  • Blood
  • Symptoms (Medicine)
DEF

A pathologic condition resulting from accumulation of acid or depletion of the alkaline reserve(bicarbonate content) in the blood and body tissues, and characterized by an increase in hydrogen ion concentration(decrease in pH).

French

Domaine(s)
  • Sang
  • Symptômes (Médecine)
DEF

Abaissement du pH du plasma du sang artériel au-dessous de 7,40.

Spanish

Campo(s) temático(s)
  • Sangre
  • Síntomas (Medicina)
DEF

Condición de alcalinidad disminuida de la sangre y tejidos caracterizada por respiración dulzona nauseabunda, dolores de cabeza, náuseas, vómitos y perturbaciones de la vista; normalmente se produce como resultado de una producción excesiva de ácido.

Save record 4

Record 5 2006-09-29

English

Subject field(s)
  • Blood
DEF

A decrease in H-ion [hydrogen ion] concentration of the blood or a rise in pH, irrespective of alterations in the level of bicarbonate ion

French

Domaine(s)
  • Sang
DEF

[...] pH au-dessus de la normale dans le sang artériel [ou] diminution de la concentration en ions hydrogènes dans le sang artériel.

Spanish

Campo(s) temático(s)
  • Sangre
OBS

disminución de la acidez de sangre y tejidos.

Save record 5

Record 6 2002-04-05

English

Subject field(s)
  • Air Pollution
  • Water Pollution
CONT

Studies done in the past two years have shown that acidic snow resulted in severe depression of pH in streams and surface water of lakes during the spring runoff. The maximum increase in hydrogen ion concentration in the ten streams surveyed to date was up to 15 times the annual average. A spring pH depression is coincident with spring spawning of some species of fish and amphibians.

OBS

A pH drop is a sudden pH depression.

French

Domaine(s)
  • Pollution de l'air
  • Pollution de l'eau
CONT

La mesure la plus simple de l'acidification des eaux de surface consiste en une comparaison dans le temps et dans l'espace des mesures de pH. S'il y a acidification, il y a baisse du pH. Par contre, cette baisse de pH constitue la dernière phase de l'acidification. Avant la baisse du pH, il y a eu chute du pouvoir tampon, par conséquent un indicateur des effets réels de l'acidification.

OBS

Une chute de pH est une baisse soudaine du pH.

Spanish

Campo(s) temático(s)
  • Contaminación del aire
  • Contaminación del agua
Save record 6

Record 7 2001-02-01

English

Subject field(s)
  • Chemical Elements and Compounds
  • Food Additives
  • Cosmetology
Universal entry(ies)
11138-66-2
CAS number
DEF

A gum obtained by microbial fermentation from the Xanthomonas campestris organism [that] is very stable to viscosity change over varying temperatures, pH, and salt concentrations, [that] is also very pseudoplastic which results in a decrease in viscosity with increasing shear, [that] reacts synergistically with guar gum to provide an increase in viscosity and with carob gum to provide an increase in viscosity or gel formation [and that] is used in salad dressings, sauces, desserts, baked goods, and beverages at 0. 05 to 0. 50%.

OBS

The polysaccharide or "biopolymer" is typically used in enhanced oil recovery processes ...

OBS

Use: In foods, non-foods, and cosmetics as stabilizer and emulsifying agent. Potential use in chemically enhanced oil recovery.

Key term(s)
  • Xanthomonas gum

French

Domaine(s)
  • Éléments et composés chimiques
  • Additifs alimentaires
  • Cosmétologie
Entrée(s) universelle(s)
11138-66-2
CAS number
DEF

Sécrétions mucilagineuses, produites par des souches de Xanthomonas, composées de polysaccharides à base de chaînes de glucose, à l'image de la cellulose, avec des molécules de mannose et d'acides uroniques en position latérale.

OBS

Leur poids moléculaire se situe vers un million. Utilisée comme agent de texture en technologie alimentaire pour ses propriétés hydrocolloïdales, en raison de sa stabilité chimique et de l'indépendance de son comportement physico-chimique vis-à-vis du pH.

CONT

[Parmi les] types de polymères [qui ont été] employés sur champ pour la récupération assistée du pétrole [se trouvent] deux échantillons de polysaccharides de type Xanthane (XCPS), présentés sous forme de moût de fermentation [...]

Spanish

Save record 7

Record 8 1993-06-18

English

Subject field(s)
  • Water Treatment (Water Supply)
CONT

The purpose of a neutralizing filter is to : 1. Increase pH value of water. 2. Neutralize free carbon dioxide. 3. Decrease corrosion. 4. Add alkalinity. 5. Remove dirt(turbidity and suspended matter).

French

Domaine(s)
  • Traitement des eaux
CONT

Un filtre de neutralisation a pour but : 1. d'accroître le pH de l'eau; 2. de neutraliser le gaz carbonique libre; 3. de diminuer la corrosion; 4 d'augmenter l'alcalinité; 5. d'éclaircir l'eau et de la débarrasser des matières en suspension.

Spanish

Save record 8

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