Search for "New France"

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Article

Floras and Botanical Journals

Before 1900 a published "flora" was, loosely defined, a comprehensive, itemized description of the plants of a specific geographical region. Usually more than a mere list, it should have been an analytical description, discussing habitats and distribution and citing previous authorities.

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Hydrography

Data collected in the field are considerably refined and condensed. Only a representative set including all critical information, such as the least depth over shoals, appears on the published chart. Typically, there is a scale reduction of 2-4 times from the field document to the chart.

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Glass

The first known Canadian glass factory or glasshouse, the Mallorytown Glass Works in Upper Canada, began operation in 1839 and closed in 1840. Glassmaking involved a large investment in raw materials, equipment and salaries.

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Sawmill

Far more significant were the fewer, larger mills cutting logs for export. Equipped with gang saws and ancillary machinery, they produced better lumber faster. After 1840 new technologies increased their size and efficiency. Circular saws were used for edging and trimming.

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Gasoline Stations

Motor vehicle registration figures appear for the first time in The Canada Year Book for 1916-17. It was in this year that the Year Book accorded motor vehicles a new status as the most important means of transportation in Canada.

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Linguistics

Linguistics is the study of language. Language accompanies almost all human activities, and is the medium for many of them.

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Vaccination and Vaccine Hesitancy in Canada

Vaccination is the introduction of a vaccine into the body to produce immunity to a disease. Vaccine hesitancy is the refusal or delayed acceptance of vaccination due to fears or anxiety about vaccines. It includes a range of concerns such as uncertainty about vaccines’ contents and their safety and the belief that vaccines are responsible for causing other medical conditions (e.g., autism). Other factors include opposition to state control and infringement on individual liberty, suspicions about the pharmaceutical industry and a declining faith in science and medicine. In Canada, as in other wealthy countries, vaccine hesitancy has increased in recent years.

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Aquaculture

Aquaculture is the human-controlled cultivation and harvest of freshwater and marine plants and animals. Synonyms include fish farming, fish culture, mariculture, fish breeding and ocean ranching.

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Quasar

Quasar, a point-like astronomical object which radiates over a wide spectral range. Although the name is a contraction of a "quasi-stellar radio source", these objects also emit light, x-rays and even gamma rays.

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Satellite Communications

Characteristics A typical satellite consists of a number of repeaters (transponders), each of which provides a large-capacity communication channel. Each transponder has a receiver tuned to a frequency range that has been allocated for uplink communication signals from Earth to the satellite.

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BIONESS

BIONESS (Bedford Institute of Oceanography Net and Environmental Sampling System) is a multiple-net sampler for ZOOPLANKTON and micronekton (pelagic animals 1-10 cm in length). It uses a new design concept, with nets arranged horizontally rather than vertically, as in earlier multiple-net samplers.

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Civil Engineering

Before the multiplication of engineering disciplines in the late 19th and early 20th centuries, engineers were either military or civilian. Civilian engineers built nonmilitary structures; those in the military concentrated on FORTIFICATIONS.

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Trans-Canada Airlines

 Trans-Canada Airlines was created 10 April 1937 by Act of Parliament as a subsidiary of CANADIAN NATIONAL RAILWAYS to provide air service to all regions of Canada. TCA began with 2 passenger aircraft and a small bi-plane, which was used to survey new routes.

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Samson

Samson, first locomotive in North America to burn coal and the first to run over all-iron rails. Built in New Shildon, England, it was shipped to Pictou, NS, to haul coal from the Albion Mines 9.6 km over a tramway to Dunbar Point on Pictou Harbour.

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QLT PhotoTherapeutics

Strange things were happening to Philip Watts. When he woke in the morning he noticed a spray of brown markings on his pillow, which at first looked like coffee grounds. He soon realized they were caused by blood.

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Fossil

  Fossil [Lat fossilis, "dug up"], trace of an ancient animal or plant preserved in the Earth's crust. Palaeontology is the modern, scientific study of fossils, but these curious objects have attracted attention since ancient times.

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Exhibitions

Historical IntroductionExhibitions by definition are displays shown for a limited time period, either in one location or on tour, unlike permanent or changing displays in museums.

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BSE-Infected Cow Found in Alberta

DANNY ROSEHILL remembers well the Tuesday morning in September when he watched the terrorist attacks on New York City while the weekly sale at his cattle auction house in Olds, Alta., continued apace. "The towers were brought down, 3,000 people killed, and yet the sale went on," says Rosehill.

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Mental Health

In the early years of the mental-health movement, mental health was often defined as the absence of symptoms of mental illness. Since that time, attempts have been made to relate mental health to a concept of psychological well-being and to certain capacities of individuals, eg, the capacity to perceive reality "objectively," to be flexible in meeting new situations and to understand another's point of view. However, no clear line divides the mentally healthy from the mentally unhealthy, and in addition, the definition of mental health is relative and is dependent on cultural context. The characteristics of a mentally healthy person in one milieu may seem very different from those of a mentally healthy person in another.