10 results found for: “Hibernate”.

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Hibernation

Hibernation is a state of minimal activity and metabolic depression in endotherms. Hibernation is a seasonal heterothermy characterized by low body-temperature...

Last Update: 2020-09-14T19:43:21Z Word Count : 3412

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Hibernate (framework)

Hibernate ORM (or simply Hibernate) is an object-relational mapping tool for the Java programming language. It provides a framework for mapping an object-oriented...

Last Update: 2020-07-15T20:47:10Z Word Count : 1889

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Hibernation (computing)

Hibernation (or suspend to disk) in computing is powering down a computer while retaining its state. Upon hibernation, the computer saves the contents...

Last Update: 2020-07-28T00:34:53Z Word Count : 1638

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Suspended animation

reversible as in the case of species demonstrating hypometabolic states of hibernation or require technologically mediated revival when applied with therapeutic...

Last Update: 2020-09-14T11:41:52Z Word Count : 1591

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Jakarta Persistence Query Language

the Hibernate Query Language (HQL), an earlier non-standard query language included in the Hibernate object-relational mapping library. Hibernate and...

Last Update: 2020-07-30T23:31:51Z Word Count : 367

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Bear

most species occupy their dens during the winter for a long period of hibernation, up to 100 days. Bears have been hunted since prehistoric times for their...

Last Update: 2020-09-25T17:03:29Z Word Count : 10271

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Hibernating myocardium

In cardiology, hibernating myocardium is a state when some segments of the myocardium exhibit abnormalities of contractile function. These abnormalities...

Last Update: 2019-05-07T05:12:30Z Word Count : 280

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Jakarta Persistence

relationship between JPA and Hibernate. Sun Microsystems has stated that ideas came from several frameworks, including Hibernate and Java Data Objects. An...

Last Update: 2020-09-07T18:20:26Z Word Count : 1601

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Sash (disambiguation)

in the Williamite war in Ireland in 1690–1691 Spring Axis Struts and Hibernate (SASH), a combination (stack) of open-source Java components identified...

Last Update: 2018-02-27T02:26:59Z Word Count : 184

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Walt Disney

Walter Elias Disney (/ˈdɪzni/; December 5, 1901 – December 15, 1966) was an American entrepreneur, animator, writer, voice actor and film producer. A pioneer...

Last Update: 2020-09-25T01:24:55Z Word Count : 11316

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Main result

Hibernation

Hibernation is a state of minimal activity and metabolic depression in endotherms. Hibernation is a seasonal heterothermy characterized by low body-temperature, slow breathing and heart-rate, and low metabolic rate. It most commonly occurs during winter months. Although traditionally reserved for "deep" hibernators such as rodents, the term has been redefined to include animals such as bears and is now applied based on active metabolic suppression rather than any absolute decline in body temperature. Many experts believe that the processes of daily torpor and hibernation form a continuum and utilize similar mechanisms. The equivalent during the summer months is aestivation. Hibernation functions to conserve energy when sufficient food is unavailable. To achieve this energy saving, an endothermic animal decreases its metabolic rate and thereby its body temperature. Hibernation may last days, weeks, or months - depending on the species, ambient temperature, time of year, and the individual's body-condition. Before entering hibernation, animals need to store enough energy to last through the duration of their dormant period, possibly as long as an entire winter. Larger species become hyperphagic, eating a large amount of food and storing the energy in fat deposits. In many small species, food caching replaces eating and becoming fat.Some species of mammals hibernate while gestating young, which are born either while the mother hibernates or shortly afterwards. For example, female polar-bears go into hibernation during the cold winter months in order to give birth to their offspring. The pregnant mothers significantly increase their body mass prior to hibernation, and this increase is further reflected in the weight of the offspring. The fat accumulation enables them to provide a sufficiently warm and nurturing environment for their newborns. During hibernation, they subsequently lose 15–27% of their pre-hibernation weight by using their stored fats for energy.True hibernation is restricted to endotherms; ectotherms, by definition, cannot hibernate because they cannot actively down-regulate their body temperature or their metabolic rate. Still, many ectothermic animals undergo periods of dormancy which are sometimes confused with hibernation. Some reptile species are said to brumate, but possible similarities between brumation and hibernation are not firmly established. Many insects, such as the wasp Polistes exclamans, exhibit periods of dormancy which have often been referred to as hibernation, despite their ectothermy.Botanists can use the term "seed hibernation" to refer to a form of seed dormancy.


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