These cosmic rays, as they are called, consist mostly of protons.

这些宇宙射线的主要成分是质子。

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The discs surrounding stars consist mostly of hydrogen, but they also contain small quantities of dust and ice.

围绕恒星的星盘大部分由氢组成，但是也包含少量的尘埃和冰。

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The reservoir sandstones consist mostly of lithic sandstones and feldspathic litharenite with lower mineral maturity.

储集砂岩类型主要为矿物成熟度较低的岩屑砂岩和长石岩屑砂岩。

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In Africa, the corporate citizenship programs for companies like Shell, De Beers and Monsanto consist mostly of small-scale social projects like health clinics or micro-credit schemes.

FORBES: Microsoft's 4Afrika Initiative is Good Business

In the Lords peers continue to wade through the detail of the Police Reform and Social Responsibility Bill - at the moment the committee stage seems to consist mostly of tidying up the ramifications of their removal of the central proposal in the Bill, the elected Police Commissioners.

BBC: Viewing guide: What's on in Parliament in coming week

Nextel phones, which consist mostly of a line of phones produced by Motorola (nyse: MOT - news - people ) under the iDen brand, are the phones of choice for messengers in New York City, construction workers, factory managers and others who are in constant communication with a select group of other people equipped with similar phones.

FORBES: The Push-To-Talk Push