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All articles starting with B

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Bipolar hemiarthroplasty

Bipolar hemiarthroplasty is a hip operation that replaces the femoral head with a two-bearing prosthesis, used mainly for displaced femoral neck fractures and designed to reduce acetabular erosion.

Bipolar I disorder

Bipolar I disorder (manic-depressive illness, BD-I) is a mood disorder defined by manic episodes lasting 7 days or requiring hospitalization, with depressive episodes; about 70% of mania cases have psychotic symptoms and lithium is first-line maintenance treatment.

Bipolar II disorder

Bipolar II disorder (BD-II): a bipolar disorder subtype defined by at least one hypomanic episode and one major depressive episode with no mania; depression dominates (39:1), suicide risk matches bipolar I, and it is often misdiagnosed as major depressive disorder.

Bipolar junction transistor

A bipolar junction transistor (BJT) is a three-terminal semiconductor device whose small base current controls a larger collector-emitter current, developed at Bell Labs in 1948.

Bipolar membrane electrodialysis

Bipolar membrane electrodialysis (BMED), also written EDBM, is an electro-membrane process in which bipolar membranes split water, converting salts into their corresponding acids and bases without added chemical reagents.

Bipolar membrane electrodialysis pH-swing CO2 capture

Bipolar membrane electrodialysis pH-swing CO2 capture is an electrochemical method in which bipolar membranes split water to swing a solvent's pH, releasing pure CO2 from flue gas, air, or ocean water.

Bipolar neuron

Bipolar neuron: a nerve cell with one axon and one dendrite extending from opposite poles of the soma; rare sensory neurons of the retina, olfactory epithelium, and inner-ear ganglia.

Bipolar outflow

A bipolar outflow is a pair of oppositely directed streams of gas ejected from a central astronomical object, most prominently the two-lobed molecular flows that accompany the birth of a new star.

Bipolar radiofrequency ablation

Bipolar radiofrequency ablation is a minimally invasive technique applying radiofrequency current between two electrodes instead of a grounding pad, used mainly for tumor ablation, cardiac ablation, and pain procedures.

Bipolar transurethral resection

Bipolar transurethral resection is an endoscopic surgical technique that removes prostate or bladder tissue with an electrosurgical loop in saline, greatly reducing the risk of TUR syndrome.

Bipolaris

Bipolaris (Cochliobolus teleomorph) is a Pleosporaceae fungal genus of grass plant pathogens causing rice brown spot, southern corn leaf blight, and wheat spot blotch; main clinical species moved to Curvularia.

Biportal endoscopic spine surgery

Biportal endoscopic spine surgery, also called unilateral biportal endoscopy, is a minimally invasive technique using two small portals, one for the endoscope and one for instruments, to decompress lumbar nerves.

Biportal endoscopy

Biportal endoscopy, also called unilateral biportal endoscopy or UBE, is a minimally invasive spine surgery technique that treats lumbar disc herniation and spinal stenosis through two small portals on one side of the back.

Bipradas Pipilai

Bipradas Pipilai (বিপ্ৰদাস পিপিলাই) was a 15th-century Bengali poet of the Manasamangal tradition, ranked second to Bijoy Gupta, whose Manasavijay on the goddess Manasa is dated to 1495.

Bīprodās

Bīprodās (বীপ্রদাস) is a Bengali poet credited with a Manasamangal narrative poem glorifying the snake goddess Manasa, and remembered as an early writer to mention the Kalighat shrine.

Biproportional apportionment

Biproportional apportionment, or double proportionality: seat allocation proportional to votes on two dimensions at once, via Balinski-Demange divisor methods and the Fair-Share matrix; first used in Zurich's 2006 election, contrasted with Italy's shifting-seat defect.

Biquad filter

A biquad filter is a second-order filter whose transfer function is a ratio of two quadratic polynomials, used in analog circuits and digital audio processing.

Biquaternion

A biquaternion is a quaternion whose four coefficients are complex rather than real numbers, introduced by Hamilton by 1850 and generalized by Clifford in 1871, used in physics.

Biquini Cavadão

Biquini Cavadão is a Brazilian rock band formed in Rio de Janeiro in 1985, led by singer Bruno Gouveia and known for 'Tédio' and 'Vento Ventania'.

Bir Abraq

Bir Abraq (بئر أبرق) is a spring, village, and Graeco-Roman fort site with rock inscriptions in Egypt's Eastern Desert near the Sudanese border, distinct from Tell Abraq in the UAE; Ptolemaic pottery, 161.5 by 98.5 m fort circuit, perennial sandstone springs.

Bir Bahadur Chettri

Bir Bahadur Chettri (born 1955) is an Indian field hockey goalkeeper from Bengal who played at the 1976 Montreal Olympics, where India finished seventh, and won gold in the men's tournament at the 1980 Moscow Olympics.

Bir Bikram Kishore Manikya

Bir Bikram Kishore Manikya (বীরবিক্রম কিশোর মাণিক্য) was the last ruling Maharaja of Tripura, reigning 1923 to 1947 and known as the architect of modern Tripura.

Bir Chandra Manikya

Bir Chandra Manikya (বীরচন্দ্র মাণিক্য) was Maharaja of Tripura, a princely state in northeastern India, from 1862 to 1896, remembered as the father of modern Tripura for his administrative reforms.

Bir Efsane

Bir Efsane is the 1989 debut album and title song of Turkish pop singer Hakan Peker, whose title track became a defining early Turkish pop hit.

Bir El Msana Oil Field

Bir El Msana (BMS) is an onshore oil field in the Berkine basin of eastern Algeria, operated by Cepsa with Sonatrach and producing about 12,500 barrels of oil per day since 2015.

Bir Ftouha basilica

Bir Ftouha basilica: mid-6th-century early Christian pilgrimage church complex in the northern outskirts of Carthage, Tunisia, with baptistery, martyr cult, and burials; excavated by Delattre, Gauckler, and the 1992 University of Alberta mission.

Bir Kiseiba

Bir Kiseiba is an archaeological site in the Kiseiba basin of Egypt's Western Desert, about 200 km west of the Nile, occupied by Early and Middle Holocene foragers and cattle-keepers.

Bir Madkhur

Bir Madkhur (Bir Madhkur, Bīr Madhkūr) is an archaeological site about 10 km northwest of Petra, Jordan: a Nabataean, Roman, and Byzantine caravan station on the Petra-Gaza Incense Route with a Roman fort, bath, and well.

Bir Massouda

Bir Massouda (Bir Messaouda) is a multi-period archaeological site in the Dermech quarter of Carthage, Tunisia, with Phoenician-to-Byzantine occupation, the earliest known North African iron metallurgy, an 8th-century BCE necropolis, and a sixth-century AD pilgrimage basilica.

Bir Singh Deo

Bir Singh Deo (बीर सिंह देव) was a Bundela Rajput ruler of Orchha from 1605 to 1627, who gained the throne by assassinating Abu'l Fazl for Jahangir.