Standard test method for analytical procedure determining transmissivity , storage coefficient , and anisotropy ratio from a network of partially penetrating wells 測定不完整滲透井網(wǎng)絡(luò)過濾系數(shù)儲藏系數(shù)和各向異性比率的標(biāo)準(zhǔn)試驗方法
And then , we specially study the effect of spin interaction ' s anisotropy on the critical temperature tc . from what we have observed we suggest that the critical temperatur tc grows as the anisotropy intensifies , while the system magnetization becomes weaker . the system becomes id if the anisotropy ratio r goes to infinity , and its equilibrium state keeps zero magnetization at any finite temperature , which confirm that there is no observable transition for id system 其后,著重研究了自旋相互作用的各向異性程度r對其臨界溫度t _ c的影響,總結(jié)出:隨著系統(tǒng)各向異性程度的增強(qiáng),系統(tǒng)的臨界溫度向高溫轉(zhuǎn)移,而系統(tǒng)的磁化強(qiáng)度在不斷的減弱;當(dāng)r趨近于無窮大時,系統(tǒng)演變?yōu)橐痪S系統(tǒng),系統(tǒng)在任何有限溫度下達(dá)到的平衡態(tài)始終保持磁化強(qiáng)度為零,這也證實了一維系統(tǒng)不發(fā)生相變