广西十万大山盆地构造特征新认识

 通过对横穿十万大山前陆盆地的SD94-Ⅳ地震剖面的解释,证实十万大山盆地曾经历了至少2次以上的不同方向的构造运动:早期为前泥盆纪,表现为北西向南东的冲断;晚期为中泥盆世至白垩纪,构造由南东向北西发展.该地区在加里东期存在的北西向南东方向的构造运动值得进一步研究.     

新疆沙冬青叶片蛋白质的双向电泳技术研究

提取新疆沙冬青叶片中蛋白质受到脂类、酚类等次生代谢产物的干扰,针对这种现象,进行了组分提取优化方法和双向电泳技术的改进。实验分析表明,用乙醚淋洗完整叶片,50 mmol·L-1 Tris-HCl缓冲液,上样量240 μg（7 cm胶条）,考马斯亮蓝染色等方法可很大程度增加提取可溶性蛋白含量,结合丙酮-三氯乙酸的沉降,可较完整地提取蛋白质组。     

Circumstellar disk and the first generation of stars

Circumstellar disk (CD) around the first generation of stars have been numerically investigated here to see if the cooling regimes also play a role in the formation and evolution of the disk associated with the most massive protostars (MMPS). Also, an emphasis is given to exploring the effect of the initial turbulent motion of the metal-free gas on the resulting morphology of the CD. For this, a systematic range of Mach number $ℳ=0.1-1.0$ has been examined. It has been found that the disk-to-star mass ratio $M_{\text{disk}}$/ $M_{\text{star}}$ is larger when the model evolution is based on the first H ${}_2$ line cooling followed by subsequent cooling via collision-induced emission than in the model where only H ${}_2$ line cooling remains operative. Also, irrespective of the initial turbulence in the cloud, the former type of model yields a CD as massive as 7.66 M ${}_{\odot }$ while the latter type produces a disk as massive as 1.29 M ${}_{\odot }$. Moreover, the inner part of the CD is found dominated by higher subsonic turbulent motions in the case of the former type of models than in the latter type. CDs around MMPS in both types of models show stable disk structures.     

新疆吉木萨尔大龙口背斜核部露头构造样式研究

通过对新疆吉木萨尔大龙口背斜核部露头剖面的野外观察、实地测量和特征描述,分析研究了其构造发育特征和演化模式。认为大龙口背斜核部露头的构造属于"褶皱相关断层"范畴,岩层能干性对构造变形具有重要影响,最为典型的是发育了"褶翼楔入组"、"类冲起"和"分离反向褶曲"3种特殊的构造样式。