The article analyses compositions of wood stain material and methods and mechanism of wood stain; Especially analysing and studying chemical composition and compounding of wood stain.

分析了木材着色材料的成分、着色的方法和机理，对美式涂装中木材着色剂的化学组成和配制进行了分析和研究。

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MATERIAL and METHODS: Conventional chromosomal aberrations and G-banded karyotype analysis were used.

材料与方法：常规染色体畸变与G _显带核型分析。

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Material and Methods: Renewed system image chain construction and developed the digital image workstation.

材料和方法：重新配置了系统影像链结构，研制了影像工作站。

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Because components differ a great deal in terms of size, raw material bases and manufacturing methods, it's hard to see them as one monolithic industry.

FORBES: Beefing up the rump

The project will ensure that the archive cataloguing and conservation methods are up to date, and that all material has been correctly recorded.

UNESCO: UK National Commission for UNESCO - A relic to a forgotten era: over a century of material documenting the medically incarcerated linked with Wellcome Trust in new project

The case has become a major embarrassment for Canada as its military and government struggle to explain how the former navy officer was able to use such primitive methods to copy and convey his material and remain undetected for so long, our correspondent adds.

BBC: Prison for Canadian navy officer turned Russian spy