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The flow profiles was first derived by John R. Womersley (1907–1958) in his work with blood flow in arteries. [1] The cardiovascular system of chordate animals is a very good example where pulsatile flow is found, but pulsatile flow is also observed in engines and hydraulic systems, as a result of rotating mechanisms pumping the fluid.
Chữ khoa đẩu is a term claimed by the Vietnamese pseudohistorian Đỗ Văn Xuyền to be an ancient, pre-Sinitic script for the Vietnamese language. Đỗ Văn Xuyền's works supposedly shows the script have been in use during the Hồng Bàng period, and it is believed to have disappeared later during the Chinese domination of Vietnam .
It is a dimensionless expression of the pulsatile flow frequency in relation to viscous effects. It is named after John R. Womersley (1907–1958) for his work with blood flow in arteries. [1] The Womersley number is important in keeping dynamic similarity when scaling an experiment. An example of this is scaling up the vascular system for ...
[13] [14] [15] In some pulsatile pumps (that use compressed air as an energy source [16]), the volume occupied by blood varies during the pumping cycle. If the pump is contained inside the body then a vent tube to the outside air is required. Continuous-flow VADs are smaller and have proven to be more durable than pulsatile VADs. [17]
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According to Từ điển Bách khoa toàn thư Việt Nam, the date of birth of Mai Thúc Loan was unknown but he was from the Mai Phụ village, modern-day Thạch Hà District, Hà Tĩnh. [1] In the Basic Records of the New Book of Tang , his name was Mai Thúc Loan while in the Old Book of Tang the name was recorded as Mai Huyền Thành ...
Dau Tieng 1, 2 Duong Minh Chau and Tan Chau districts, Tay Ninh province Tay Ninh 350 420 23/06/2018 2019 B. Grimm Power + Xuan Cau LLC Operation EPC:Power Huadong Engineering, PCC1 and PECC2: Substation [156] [157] [84] Dau Tieng 3 Duong Minh Chau and Tan Chau districts, Tay Ninh province Tay Ninh 60 72 23/06/2018 2019
Đàn đáy used in Ca trù. Đàn đáy tuning. It is used primarily in Northern Vietnam, and is one of the accompanying instruments used in ca trù. [3]In the late 20th century, a modernized version of the electric bass guitar in the shape of the đàn đáy was developed for use in the neo-traditional music composed and performed at the Hanoi Conservatory.