chemical composition 化学成分；化学组成；化学成份；化学组分 We know they smear a liquid on the tube, but we don’t know where they secrete itfrom or what its chemical composition is.我们知道它们在往玻璃管上抹一种液体，但我们不知道它们是从哪里分泌出来的，也不知道它的化学成分。很高...
In the present work the variability of the structure and chemical composition of the paint coating were investigated using FT-IR and Raman spectroscopies. Paint samples were collected from 30 car bodies from both metal and plastic parts of each car. The morphological characteristics of all samples ...
a一直没有打开你发给我的网页 Has not opened you to issue my homepage[translate] a努力设计 Designs diligently[translate] aFor the painting process, chemical composition and quantity in the base paint 为绘画工艺、化学成分和数量在基本的油漆[translate]...
A chemical composition for stripping and cleaning surfaces of grease, paint and the like. The chemical composition comprising a synthetic water absorbant and swellable polymeric substance for absorbing a solution of a stripping and cleaning agent. The synthetic polymeric substance may be a product mark...
Analytical study of the chemical composition of the film-forming material on restored wall paintingsThe presence of film-forming material of a yellow-greyish colour on the wall paintings of the Cremona Cathedral, Italy, has been visually observed. On the occasion of the current restoration ...
The chemical composition of talc is Mg3[Si4O10](OH)2, and the crystal belongs to the layered silicate mineral of triclinic system.Pseudo-hexagonal single crystals are rare, and they are usually dense massive, bladelike, fibrous or radial aggregates.White or various light...
aThe chemical composition of S355J2G3 contains 0.18% C, 0.55% Si, 1.6% Mn, 0.035% S and 0.035% P which can be considered as equivalent with the used mild steel material in the experiments in term of Carbon content S355J2G3的化学成分包含0.18% C, 0.55% Si 1.6%在实验可以被考虑作为等值与使...
Revealing the composition of organic materials in polychrome works of art: the role of mass spectrometry-based techniques The most recent advances in the identification and determination of organic constituents in paintings and other polychrome objects using mass spectrometry ... CD Calvano,VDWI Dorothé...
PM2.5in an industrial district of Zhengzhou, China: Chemical composition and source apportionment Particuology (2013) View more references Cited by (41) Association of air pollution and meteorological variables with COVID-19 incidence: Evidence from five megacities in India ...
An aqueous paint composition comprising a polymeric binder and a particulate non-film-forming solid in which; (i) at least 20% by weight of the polymeric binder is a thickener which is an, amine