The best carbon source is glucose, and the best nitrogen sources are peptone, beef extract paste and wheat bran. The most favorable ratio of C/N is 40: 1.

结果表明：最适宜的碳源是葡萄糖，最适宜的氮源是蛋白胨、麦麸、牛肉膏，最适宜的碳氮比是40：1。

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The technology of stable C, N isotope ratio is an effective method for geographical origin traceability of beef.

利用稳定性碳、氮同位素技术是用于牛肉产地溯源的有效方法。

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Effects of different concentrations of NaCl on acidity and TVB-N of Qinchuan beef and effect of different lactic acid bacteria Lacidophilus and s.

本实验以秦川牛肉为对象，研究牛肉在乳酸发酵过程中品质变化。

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In 1994 the U.S. should have forcefully told the U.N. to beef up its peacekeeping forces.

FORBES: Fact and Comment

The secretary-general of the United Nations says he's optimistic he'll find the 15, 000 troops he needs to beef up the U.N. peacekeeping force in Lebanon.

NPR: Divided Lebanon Wary of Hezbollah 'Victory'