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Polycarboxylate Superplasticizer; Polycarboxylate superplasticizer (PCE), the third generation of high-performance superplasticizer, [9] follows the development of ordinary plasticizers and superplasticizers. It significantly reduces water content while enhancing concrete's workability, strength, and durability.
In materials science, superplasticity is a state in which solid crystalline material is deformed well beyond its usual breaking point, usually over about 400% during tensile deformation. [1]
PVC, used extensively in sewage pipes, is only useful because of plasticizers. [1]A plasticizer (UK: plasticiser) is a substance that is added to a material to make it softer and more flexible, to increase its plasticity, to decrease its viscosity, and/or to decrease friction during its handling in manufacture.
The Vietnamese Wikipedia initially went online in November 2002, with a front page and an article about the Internet Society.The project received little attention and did not begin to receive significant contributions until it was "restarted" in October 2003 [3] and the newer, Unicode-capable MediaWiki software was installed soon after.
Việt Nam sử lược (chữ Hán: 越南史略, French: Précis d'Histoire du Việt-Nam, lit. "Outline History of Vietnam"), was the first history text published in the Vietnamese language and the Vietnamese alphabet. It was compiled by Vietnamese historian Trần Trọng Kim.
Mạc Đĩnh Chi (莫 挺 之; 1272–1346) was a renowned Vietnamese Confucian scholar who was the highest-scoring graduate in the palace examinations at the age of only twenty-four. He served three Trần dynasty emperors—first Trần Anh Tông until 1314, then his son Trần Minh Tông from 1314 to 1319, and finally the grandson Trần ...
The provinces of Vietnam are subdivided into second-level administrative units, namely districts (Vietnamese: huyện), provincial cities (thành phố trực thuộc tỉnh), and district-level towns (thị xã).
Vua tiếng Việt (lit. ' King of Vietnamese ' ) is a Vietnamese television quiz show featuring Vietnamese vocabulary and language, produced by Vietnam Television . [ 1 ] [ 2 ] The programme is aired on 8:30 pm every Friday on VTV3, starting from 10 September 2021, with the main host Nguyễn Xuân Bắc.