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WINTER ACTIVITY [9 records]

Record 1 2026-01-27

English

Subject field(s)
  • Epidemiology
  • Viral Diseases
  • Respiratory Tract
CONT

In the United States, flu season usually occurs in the fall and winter. While influenza viruses spread year-round, most of the time flu activity peaks between December and February. The overall health impact(e. g., infections, hospitalizations, and deaths) of flu varies from season to season.

OBS

season: A period of the year characterized by or associated with a particular activity or phenomenon.

French

Domaine(s)
  • Épidémiologie
  • Maladies virales
  • Voies respiratoires
CONT

La grippe est une infection des voies respiratoires qui se transmet très facilement. Elle est causée par le virus de l'influenza. Chaque année, la grippe circule au Québec et ailleurs dans le monde. Au Québec, elle est surtout présente de la fin de l'automne au début du printemps. La durée de la saison de la grippe peut varier. Ainsi, elle peut commencer plus ou moins tôt et durer plus ou moins longtemps selon les années.

OBS

saison : Période de l'année pendant laquelle a lieu une activité, un événement.

Spanish

Save record 1

Record 2 2017-04-26

English

Subject field(s)
  • Regional and Municipal Gov. Bodies and Committees
  • Festivals, Carnivals and Social Events
OBS

Since the beginning of our French colony, the habitants of New France created a rowdy tradition of getting together just before Lent to eat, drink and be merry. At this time, this intense period of revelry was already designated as the Carnival-a word of Italian origin meaning Mardi Gras. The custom of celebrating from the end of January until mid-February has long been popular. The first large winter Carnival in Québec City, the world's snow capital, took place in 1894. Often faced with winter's hardships, the city's population reinvented this popular tradition with a winter celebration that warmed up the hearts of all of it revellers. Interrupted by two wars, then the economic crisis of 1929, the Carnival was held sporadically until the second half of the century. In 1954, in the context of the economic development of the Old Capital, a group of business people relaunched the festivities. That year, Bonhomme was born and elected the event's representative. The first official edition of the Québec Winter Carnival took place in 1955. The Carnival snowballed into an undeniable manifestation for the entire Québec City population, and was an important vehicle for tourism and economical activity in the city.

French

Domaine(s)
  • Organismes et comités de gouv. régionaux ou municipaux
  • Festivals, carnavals et fêtes
OBS

Dès les débuts de la colonie française les habitants de la Nouvelle-France avaient pris l'habitude de se réunir pour fêter un bon coup, juste avant la période du carême. Déjà, à cette époque, le carnaval - un mot d'origine italienne qui signifie mardi gras - désignait cette période intense de célébrations. La tradition de fêter de la fin janvier jusqu'à la mi-février ne date pas d'hier. À Québec, dans la Capitale mondiale de la neige, le premier grand carnaval d'hiver est lancé en 1894. Ainsi, une population souvent éprouvée par les rigueurs hivernales, ranimait une tradition populaire et mettait sur pied une fête des neiges qui réchaufferait les cœurs. Interrompu par les deux guerres et la grande crise économique de 1929, le Carnaval resurgit sporadiquement jusqu'à la deuxième moitié du siècle. En 1954, dans une perspective de développement économique de la Vieille Capitale, un groupe de gens d'affaires relance la fête. Bonhomme naît en 1954 et est élu représentant de l'événement. La première édition du Carnaval d'hiver de Québec a lieu en 1955. Le Carnaval de Québec devient alors une manifestation incontournable pour la population de Québec, et un moteur de l'activité touristique hivernale de la ville.

Spanish

Save record 2

Record 3 2011-08-09

English

Subject field(s)
  • Biological Sciences
  • Biotechnology
DEF

A constant of great practical importance since it is equal to the substrate concentration required to reach half the maximum velocity. This constant of a substrate is therefore, a measure of the affinity of the enzyme for that substrate: the lower the constant, the higher the affinity. The constant possesses the unit gram molecule per liter (M) and it is independent of enzyme concentration. Kinetically, it is related to a number of rate constants. Values are usually in the range of 10-[supercript2]M to 10[Supercript 6)M.

CONT

A landmark paper has been published by Winter et al.(1982) on the redesigning of enzyme structure by site directed mutagenesis.... This is a method for systematically replacing(during biosynthesis) an amino acid at a particular site with another amino acid, and observing the consequences. In the quoted text, a reduction in enzymic activity was observed that was largely due to a lowered Michaelis constant(Km) for the ATP required to join the tyrosine to the transfer RNA.

OBS

The Michaelis constant determined for immobilized enzymes is necessarily only an apparent constant (K’m) and should be distinguished clearly from the constant normally determined with the soluble enzyme.

OBS

The term Km should read Km.

French

Domaine(s)
  • Sciences biologiques
  • Biotechnologie
DEF

Constante de cinétique enzymatique représentant la concentration de substrat pour laquelle la vitesse d'activité enzymatique est la moitié de la vitesse maximale. Elle s'exprime en mole/litre et définit bien l'affinité de l'enzyme pour son substrat. Elle varie avec chaque enzyme et suivant les conditions expérimentales (pH, nature du substrat).

CONT

La constante de Michaelis d'une enzyme est d'autant plus basse que l'enzyme est plus active, puisqu'elle exprime approximativement l'inverse de l'affinité du substrat pour l'enzyme. [...] La connaissance de la Km d'une enzyme est importante car une enzyme à Km élevée ne pourra agir avec efficacité dans la cellule que si le substrat s'y trouve à concentration élevée.

OBS

Le terme Km s'écrit Km.

Spanish

Campo(s) temático(s)
  • Ciencias biológicas
  • Biotecnología
DEF

Parámetro cinético de una enzima cuyo inverso da en ocasiones una medida de la afinidad entre sustrato y enzima.

Save record 3

Record 4 2011-06-07

English

Subject field(s)
  • Hydrology and Hydrography
DEF

Said of a channel with year round flow, discernible banks and substrate, and a drainage area less than 1000 km².

OBS

In winter, it might be partially frozen to the bottom because of groundwater input, beaver activity, or large pools and deep water.

French

Domaine(s)
  • Hydrologie et hydrographie
DEF

Se dit d'un chenal ayant un écoulement permanent, des berges et un substrat visibles, ainsi qu'un bassin versant de moins de 1000 km².

OBS

En hiver, il peut être gelé en partie au fond en raison de l'apport d'eau souterraine, de l'activité des castors, ou de grands bassins et de l'eau profonde.

Spanish

Save record 4

Record 5 2007-04-27

English

Subject field(s)
  • Plastic Materials
  • Vegetable Crop Production
CONT

Greenhouse plastics affect tomato pollination by influencing bee activity and bee loss through the ventilation systems. There is a significant difference in bee loss among plastic types.... CT plastic, one of the less commonly used greenhouse plastics, experienced less bee loss than AT Duratherm, Patilux, and both AT Bee Poly and De Klerk together.... The likely explanation for these results is that under CT plastic, bees are less able to visually detect the open vents because of the relatively small contrast between the transmitted light and the light through the vents. Our spectrophotometry results... indicate that of the plastics tested, only CT plastic allows transmission of UV light. Because of this, fewer bees fly out of these greenhouses and die during the winter months.

OBS

Greenhouse tomatoes and pollination by bumblebees. ... Bumble bee keeping in greenhouses has encountered some problems because of the escape of the bees ... through open vents in late winter and early spring. ... New understandings in insect colour vision (Backhaus 1993) have suggested ways by which the visual target of the open vents (daylight with UV) ... versus the greenhouse roof and walls (attenuated UV) can be disguised by coloured transparent flaps or blocked by screening so that the bees are not attracted and can not escape. The former would be easier and cheaper. UV light encourages the germination of spores of grey mould (Botrytis), so UV opaque plastics are favoured.

French

Domaine(s)
  • Matières plastiques
  • Production légumière
CONT

Plastique de serre : contribution des matériaux plastiques à la maîtrise du microclimat.

Spanish

Campo(s) temático(s)
  • Materiales plásticos
  • Producción hortícola
Save record 5

Record 6 2006-06-06

English

Subject field(s)
  • Titles of National Programs (Canadian)
  • Skating
OBS

Ice Dreams is a national Go for Green program that encourages the development and use of new and existing outdoor rinks in Canada. It provides opportunities for girls and boys of all ages to get active in the outdoors during winter by playing hockey or other games on frozen ponds and waterways, or backyard, neighbourhood and community rinks. The idea is to "rip the roof off winter" and create opportunities for unstructured play, healthy, outdoor physical activity and Ice Dreams is a component of Go for Green's Winter Green initiative.

French

Domaine(s)
  • Titres de programmes nationaux canadiens
  • Patinage
OBS

Rêves de glace est un programme d'envergure nationale qui vise à soutenir et encourager la création et l'utilisation des patinoires extérieures, aussi bien nouvelles qu'existantes, d'un bout à l'autre du pays. Rêves de glace vise essentiellement à permettre aux filles et aux garçons de tout âge de demeurer au grand air durant les mois d'hiver en jouant au hockey et à d'autres jeux pratiqués sur la glace d'étangs et autres cours d'eau gelés, de patinoires résidentielles, de quartier ou municipales. L'idée rejoint l'objectif «Enlever le toit de l'hiver» pour goûter pleinement aux joies de l'hiver en créant des occasions de s'amuser à l'extérieur, librement et sainement, de pratiquer des sports d'équipe communautaires ou simplement pour garder la forme. Rêves de glace s'inscrit dans le cadre du projet Hiver l'action initié par l'organisme Vert l'action.

Spanish

Save record 6

Record 7 2003-06-02

English

Subject field(s)
  • Plastic Materials
  • Optics
  • Beekeeping
  • Vegetable Crop Production
CONT

Greenhouse plastics effect tomato pollination by influencing bee activity and bee loss through the ventilation systems. There is a significant difference in bee loss among plastic types.... CT plastic, one of the less commonly used greenhouse plastics, experienced less bee loss than AT Duratherm, Patilux, and both AT Bee Poly and De Klerk together.... The likely explanation for these results is that under CT plastic, bees are less able to visually detect the open vents because of the relatively small contrast between the transmitted light and the light through the vents. Our spectrophotometry results... indicate that of the plastics tested, only CT plastic allows transmission of UV light. Because of this, fewer bees fly out of these greenhouses and die during the winter months.

OBS

Greenhouse tomatoes and pollination by bumblebees. ... Bumble bee keeping in greenhouses has encountered some problems because of the escape of the bees ... through open vents in late winter and early spring. ... New understandings in insect colour vision (Backhaus 1993) have suggested ways by which the visual target of the open vents (daylight with UV) ... versus the greenhouse roof and walls (attenuated UV) can be disguised by coloured transparent flaps or blocked by screening so that the bees are not attracted and can not escape. The former would be easier and cheaper. UV light encourages the germination of spores of grey mould (Botrytis), so UV opaque plastics are favoured.

Key term(s)
  • colored transparent plastic

French

Domaine(s)
  • Matières plastiques
  • Optique
  • Élevage des abeilles
  • Production légumière

Spanish

Save record 7

Record 8 2002-12-03

English

Subject field(s)
  • Atmospheric, Climatic and Meteorological Phenomena
CONT

April is a transitional month in much of North America in the character of precipitation. Over much of the continent, the vigorous cyclonic activity of winter is on the wane and steady frontal rains are becoming less frequent. From now until late in the autumn, much of the rain falling across the continent will come from convective clouds.... April showers are generally less severe than summer showers.... April showers tend to be gentler falls of rain than their June or July counterparts.

CONT

A sudden April shower (with hail stones) caught the team by surprise.

French

Domaine(s)
  • Phénomènes météorologiques, climatiques et atmosphériques
CONT

Les orages de chaleur et frontaux favorisent la formation de grésil et de grêle. Mais les situations venant de l'ouest et du nord, qui amènent de l'air froid polaire lorsque règne un temps pluvieux, peuvent aussi provoquer des précipitations, généralement de grésil. Un exemple en est représenté par les giboulées de mars et d'avril (averses de neige et de grésil). Le grésil et la grêle peuvent cependant fondre avant d'atteindre le sol, pendant leur trajet dans l'atmosphère, donnant alors de grosses gouttes de pluie à l'arrivée.

CONT

Astronomie et météorologie sont des domaines étroitement liés, alors prenez votre mal en patience entre une giboulée de mars et une averse d'avril : profitez d'une éclaircie pour observer quelques amas ouverts [...]

OBS

[...] les giboulées de mars se sont poursuivies en avril : toujours inférieures à la normale à Perpignan, les précipitations du mois atteignent deux fois la normale de la Drôme à la Provence et dans les Alpes Maritimes [...]

OBS

Giboulée (pluie soudaine et de peu de durée, souvent accompagnée de grêle).

Key term(s)
  • giboulée de mars

Spanish

Save record 8

Record 9 1986-09-04

English

Subject field(s)
  • Farm Buildings
  • Animal Husbandry
  • Biochemistry
CONT

In principle, the biological reactions in a mechanically aerated lagoon are essentially the same as those in an oxidation ditch, except during the winter.... An aerated lagoon is mixed and supplied with oxygen from the air, usually by a floating mechanical aerator, although field trials with different types of air diffusers located in the lagoon are being conducted. Since these lagoons are located outdoors, very little biological activity takes place in the winter....

French

Domaine(s)
  • Constructions rurales
  • Élevage des animaux
  • Biochimie

Spanish

Save record 9

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