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Topic Review
Waka (Canoe)
Waka (Māori: [ˈwaka]) are Māori watercraft, usually canoes ranging in size from small, unornamented canoes (waka tīwai) used for fishing and river travel to large, decorated war canoes (waka taua) up to 40 metres (130 ft) long. The earliest remains of a canoe in New Zealand were found near the Anaweka estuary in a remote part of the Tasman District and radiocarbon-dated to about 1400. The canoe was constructed in New Zealand, but was a sophisticated canoe, compatible with the style of other Polynesian voyaging canoes at that time. Since the 1970s about eight large double-hulled canoes of about 20 metres have been constructed for oceanic voyaging to other parts of the Pacific. They are made of a blend of modern and traditional materials, incorporating features from ancient Melanesia, as well as Polynesia.
  • 879
  • 13 Oct 2022
Biography
Waheed Arian
Waheed Arian (born 5 August 1983) is a British doctor and radiologist, born in Afghanistan, who founded a telemedicine charity called Arian Teleheal. The charity enables doctors in conflict zones and low resource countries to use their smartphones to receive advice from volunteer specialists in the UK, Canada, the US and other countries. Arian has won several international awards for his achieve
  • 597
  • 12 Dec 2022
Topic Review
WAGR Syndrome
WAGR syndrome is a disorder that affects many body systems and is named for its main features: Wilms tumor, aniridia, genitourinary anomalies, and intellectual disability (formerly referred to as mental retardation).
  • 572
  • 23 Dec 2020
Topic Review
Wages in Thailand
Wages in Thailand, as used here, includes all compensation paid by an employer to an employee for work done, whether based on hours worked, piece work, or fixed salary. Since wage labour is the predominant form of work, the term "wage" here refers to all forms of employee compensation. Wages are the major source of household income in Thailand,:32 although wage income distribution varies by region: Almost three-quarters of the population in Bangkok are in households that receive wage income, compared with less than half in the northern region.:30-31 During the period 2007–2014, wage income grew markedly, and then began to drop starting in 2015. (As of 2020) wage growth stagnation afflicts most occupations. Wage growth was negative in urban areas, but positive in rural areas. In the period 2007–2013, wages, farm incomes, and remittances contributed to poverty reduction; in the period 2015–2017 these were sources of rising poverty.:65
  • 9.4K
  • 07 Oct 2022
Topic Review
Wage Growth
Wage growth (real wage growth) is a rise of wage adjusted for inflations, often expressed in percentage. In macroeconomics, wage growth is one of the main indications to measure economic growth for a long-term since it reflects the consumer's purchasing power in the economy as well as the level of living standards. An increase in wage growth implies price inflation in the economy while a low wage growth indicates deflation that needs artificial interferences such as through fiscal policies by federal/state government. Minimum wage law is often introduced to increase wage growth by stimulating price inflations from corresponding purchasing powers in the economy. Wage growth can also be maximised through the development of industry factors by investing skilled workers in which decision made by businesses. More financial compensation for skilled workers not only lifts wage growth but stimulates higher market prices in the economy. While a weak productivity influences a low wage growth, identified a long-term factor, a short-term problem for low wage growth is often identified as the spare capacity in the labour market. By the lower unemployment rate given by the more opportunities from the spare capacity in the labour market creates less competitiveness amongst the labours, which reduces wage growth. In order to achieve consistent strong wage growth and sustainable economic growth, high productivity is the key determinant. Higher labour productivity (measured by GDP per worker) stimulates price inflations in resulting in a rise in real wage growth. One of the major factors for the recent sluggish wage growth in advanced countries is caused by their lower labour productivities.
  • 2.2K
  • 17 Nov 2022
Topic Review
Waardenburg Syndrome
Waardenburg syndrome is a group of genetic conditions that can cause hearing loss and changes in coloring (pigmentation) of the hair, skin, and eyes.
  • 714
  • 23 Dec 2020
Topic Review
WAAM of Duplex Stainless Steels
WAAM (Wire and Arc Additive Manufacturing) is becoming an increasingly popular method to produce components from metals which are usually not so suitable for conventional production methods. One of the good examples is duplex stainless steels (DSS), which are quite complex for welding and machining. Excessive ferrite amount is a common problem for them and controlling an interlayer temperature could offer a solution. However, using too low interlayer temperature will slow down the whole process and compromise one of the WAAM’s main advantages - the high productivity. Aim of this study is to find the relationship between interlayer temperature and process duration and to determine the influence of the interlayer temperature on product structure and other properties. Three samples (walls) were made using different interlayer temperatures (50 °C, 100 °C and 150 °C) and they were tested to analyze their surface texture, chemical composition, ferrite amount, the appearance of porosity and the hardness. Ferrite amount was higher and there was more porosity on lower interlayer temperatures, while there is no significant difference between surface texture and chemical composition for the samples. Considering the fact that higher interlayer temperatures provide a faster process, they should be preferred to produce duplex stainless steel products.
  • 836
  • 16 Dec 2020
Topic Review
W-band MIMO GB-SAR for Bridge
This is a fast MIMO-GBSAR (Multiple-Input Multiple-Output Ground-Based Synthetic Aperture Radar) operating in W-band (77 GHz). The radar can complete a scan in less than 8 s. Furthermore, as its overall dimension is smaller than 230 mm, it can be easily fixed to the head of a camera tripod, which makes its deployment in the field very easy, even by a single operator. 
  • 862
  • 27 Oct 2021
Topic Review
VWF, Platelets and Antiphospholipid Syndrome
The antiphospholipid syndrome (APS) is characterized by thrombosis and/or pregnancy morbidity with the persistent presence of antiphospholipid antibodies (aPLs). Laboratory criteria for the classification of APS include the detection of lupus anticoagulant (LAC), anti-cardiolipin (aCL) antibodies and anti-β2glycoprotein I (aβ2GPI) antibodies. Clinical criteria for the classification of thrombotic APS include venous and arterial thrombosis, along with microvascular thrombosis. Several aPLs, including LAC, aβ2GPI and anti-phosphatidylserine/prothrombin antibodies (aPS/PT) have been associated with arterial thrombosis. The Von Willebrand Factor (VWF) plays an important role in arterial thrombosis by mediating platelet adhesion and aggregation. Studies have shown that aPLs antibodies present in APS patients are able to increase the risk of arterial thrombosis by upregulating the plasma levels of active VWF and by promoting platelet activation. Inflammatory reactions induced by APS may also provide a suitable condition for arterial thrombosis, mostly ischemic stroke and myocardial infarction.
  • 841
  • 05 May 2021
Topic Review
VWF Gene
Von Willebrand factor
  • 487
  • 04 Jan 2021
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