Based on the research of steel housing industry, a new outer-shell joint connecting cold-formed square tubular column and H-shaped steel beam with bolts was designed.

结合钢结构住宅产业化的研究，设计了冷弯方钢管与H型钢梁的螺栓连接外套管式节点。

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Shell also signed a joint assessment agreement with PetroChina in November 2009 for shale-gas cooperation in Sichuan.

2009年11月，壳牌还与中国石油天然气股份有限公司签订了在四川进行页岩气合作的联合评估协议。

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So the $12 billion joint venture unveiled on February 1st by Shell and Cosan, a big Brazilian producer of ethanol, marks something of a reversal.

壳牌同巴西大型乙醇生产商科桑公司2月1号宣布出资120亿美元合资办厂，这标志着有些事情转变了。

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It made a billion debt bet to acquire gasoline distributor Esso from Exxon Mobil a few years back and last year signed a joint venture with Shell to produce and distribute both ethanol and gasoline in Brazil and, indeed, around the world.

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The offsetting of refinery shutdowns in the Northeast by, for instance, the expansion of Motiva Enterprises a joint venture between Shell (RDS.A) and Saudi Refining of its Port Arthur, Texas refinery to 600, 000 barrels a day, may also help prevent supply-constraint driven gasoline prices spikes.

FORBES: Spiking Summer Gas Prices to Ding Home Sales, Consumer Confidence

The work is part of a joint venture led by Shell (40% stake), Saudi Aramco and Total, which will explore 81, 000 square miles of desert.

FORBES: Companies, People, Ideas