Medium and small tanks and surface curvature radius of curve or surface smaller irregular equipment, building the air duct insulation and dew and wall body sound-absorbing heat preservation.

小型储罐及表面曲率半径较小的弧面或表面不规则的设备、建筑空调管道保温防露和墙体的吸音保温。

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The plantlets cultured in the MS medium containing mannitol at 0. 5% would effectively decrease subculture frequency and pre long the preservation time.

含有0.5%的MS培养基可以有效地减少试管苗继代培养的次数，延长保存时间。

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The high salt medium is beneficial to organic concentration and preservation. The gray mudstone and shale in middle Shasi column was a kind of high quality source rocks in Dongying Depression.

高盐环境有利于有机质的富集和保存，沙四中亚段的灰色泥岩和页岩为东营凹陷的一套有效烃源岩。

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