This helps avoid mistakes during the applications of horizontal Wells, improve horizontal well development effect in low permeability reservoirs and increase economic benefit.
通过分析基本摸清了水平井技术特点，以避免在推广应用水平井过程中出现失误，以改善低渗透油藏水平井开发效果，提高经济效益。
The increase of circulating catecholamines exerts direct toxic effect on cardiac myocytes, increases membrane permeability and myocardial fibrosis;
循环儿茶酚胺升高对心肌细胞产生直接的毒性作 用、增加膜通透性和心肌纤维化，这些作用可引起细胞死亡。
The utility model can increase the air permeability and the cushioning performance of the shoes, thereby presenting better sanitary conditions and health-care effect.
本实用新型可以提 高鞋的透气性能和缓震性能，具有较好的卫生条件与保健效果。
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