Condensable gas exhibits some unusual behavior in polymer membrane compared with permanent gas.

与永久性气体相比，可凝性气体在聚合物膜中表现出一些“非常规”渗透行为。

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Operates a variety of high-pressure seamless steel gas cylinders, the products are mainly used in high-pressure filling of permanent gas or liquefied.

公司经营各种钢制无缝高压气瓶，该产品主要应用于充装永久气体或高压液化气体。

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The 2.5-liter inline 4-cylinder gas engine and permanent magnet AC synchronous electric motor in the MKZ deliver 191 net horsepower, a modest amount of power for a 3, 752 lb vehicle.

FORBES: 2011 Lincoln MKZ Hybrid - The Hybrid for Old Guys

Other studies support total switch in electricity fuel of no more than 10% for a permanent, 50% decline in gas prices.

FORBES: Frack Gas Not Likely To Displace King Coal, Study Suggests

The reinvestment of revenues from oil and gas extraction into the permanent protection of parks, open spaces, wildlife habitat, and access for recreational activities.

WHITEHOUSE: America's Great Outdoors Initiative