The paper presents some results obtained from a research about effects of rare-earth(RE)and boron(B)refining on the microstructure and dezincification corrosion properties of casting lead brass.

研究了加入稀土和硼细化处理对铸造铅黄铜组织和脱锌腐蚀性能的影响。

youdao

Guests interested in being an honorary Duckmaster can book the Ducky Day package, which includes the privilege of helping the Duckmaster lead the daily march and an official brass-head Duckmaster cane to take home.

BBC: Make way for marching ducks in Memphis

Sure, MTV brass will argue that it lacked the lead-in of 7 million-plus that a new episode of Jersey Shore had offered the series a week earlier.

FORBES: MTV's Controversial Series 'Skins' Takes (Another) Worrisome Hit

On its moving, insistent "Piramida" (4AD), Efterklang uses a variety of electronic sounds, brass, inventive percussion and layered voices under lead singer Casper Clausen for its moody chamber pop.

WSJ: Lost in the Trees, Frank Ocean, John Fullbright and Other Best of 2012