A method calculating one body density matrix of nucleus in the mean field shell model is proposed.

提出平均场壳模型下原子核单体密度矩阵的一种计算方法，验证该方法的可靠性。

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Gazprom wanted to be involved: last year it agreed with Shell to swap a share in Sakhalin Energy for a stake in a Siberian field. Then the cost overrun was announced, and Gazprom squealed.

Gazprom也曾想过参与：去年，它与壳牌达成协议用一部分库页能源的股票交换一部分西伯利亚油田的股权，之后，超额成本被公之于众，Gazprom叫苦不迭。

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Or BP may reduce its stakes in U.S. fields operated by partners, such as the Gulf field Mars, operated by Royal Dutch Shell PLC.

英国石油公司也可降低在由其合伙人经营的美国油田中的持股，如在荷兰皇家壳牌石油公司(Royal Dutch Shell PLC)运营的Gulf field Mars中的持股。

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Gloucester went off the field for the break completely shell shocked but they gave themselves a glimmer of hope with Walker's third penalty on 43 minutes.

BBC: Gloucester 16-44 Leicester

Greenhouse gas would be transported to the Shell-operated Goldeneye gas field in the North Sea using, as far as possible, existing pipeline infrastructure.

BBC: Shell and SSE want to develop carbon capture at Peterhead

Shell, which operates an offshore field in the Bay of Bengal, reckons Bangladesh's gas reserves could be as big as Indonesia's, which are among the largest in Asia.

ECONOMIST: Bangladesh