惠州26-6构造目的层面临流体类型复杂、流体判识难度大的问题,而传统气测录井方法受仪器精度影响,凝析气与轻质油的气测录井响应差异不明显。针对上述复杂问题,基于实时流体录井(fluids logging&analysis in real-time,FLAIR)资料,...惠州26-6构造目的层面临流体类型复杂、流体判识难度大的问题,而传统气测录井方法受仪器精度影响,凝析气与轻质油的气测录井响应差异不明显。针对上述复杂问题,基于实时流体录井(fluids logging&analysis in real-time,FLAIR)资料,在统计区域内气层、凝析气层及油层的烃组分比值特征基础上,优选烃组分参数,结合测井、取样及测试资料,提出了研究区目的层潜山气油界面划分及流体识别技术体系。研究表明:FLAIR烃湿度比(humidity ratio,WH)、烃平衡比(equilibrium ratio,BH)建立定性流体识别图版可以较好地识别凝析气组分和轻质油响应,凝析气的烃组分甲烷(methane,C_(1))、乙烷(ethane,C_(2))占比高,而轻质油的烃组分丙烷(propane,C_(3))、丁烷(butane,C_(4))、戊烷(pentane,C_(5))、己烷(hexane,C_(6))占比高;利用气油比指数R与测试、电缆泵抽取样气油比建立关系模型。结果表明,干气:BH>20,WH<11,气油比指数R>61.54;凝析气:BH>15,WH<19,气油比指数R介于2.16~61.54;油:BH<15,WH>19,气油比指数R<2.16。通过两种方法相结合,有效解决了研究区目的层潜山气油界面划分及流体识别难题,证实该方法在复杂储集层及流体条件下具有广泛的推广应用价值。展开更多
This study compares the changes of DNA repair in brain tissue dominated by the middle cerebral artery after electroacupuncture at the acupoints of Renzhong (DU 26), Neiguan (PC 6), Quchi (LI 11) and Zusanli (ST...This study compares the changes of DNA repair in brain tissue dominated by the middle cerebral artery after electroacupuncture at the acupoints of Renzhong (DU 26), Neiguan (PC 6), Quchi (LI 11) and Zusanli (ST 36) in rats. In the apurinic/apyrimidinic endonuclease DNA basic group reparative excision experiments, the apurinic/apyrimidinic endonuclease activity of brain tissue increased slightly after electroacupuncture in rats. In the DNA polymerase β (Pol β)experiments, the Pol β ac-tivity of brain tissue increased after electroacupuncture, especially at DU 26 and PC 6. In the DNA ligase experiments, the expression of DNA ligase 1 in brain tissue increased significantly after electroacupuncture. These findings demonstrate increased activity of apurinic/apyrimidinic en-donuclease, Pol β and DNA ligase 1 after electroacupuncture at DU 26 and PC 6. Also, DNA repair in brain tissue supplied by the middle cerebral artery is promoted after electroacupuncture at DU 26 and PC 6, which are more effective than the LI 11 and ST 36 acupoints .展开更多
为了对多酸化合物合成过程的反应机理研究提供更多的基础信息,同时扩充同多酸盐的结构指纹图谱。以合成多钼酸盐化合物的两种常见反应物TBA_(2)[Mo_(6)O_(19)]与TBA_(4)[α-Mo_(8)O_(26)]为研究对象,以Na_(2)MoO_(4)为基础原料合成两种...为了对多酸化合物合成过程的反应机理研究提供更多的基础信息,同时扩充同多酸盐的结构指纹图谱。以合成多钼酸盐化合物的两种常见反应物TBA_(2)[Mo_(6)O_(19)]与TBA_(4)[α-Mo_(8)O_(26)]为研究对象,以Na_(2)MoO_(4)为基础原料合成两种化合物,用红外光谱(IR)对其固体结构进行了表征,用电喷雾质谱法(Electrospray Ionization Mass Spectrometry,ESI-MS)对二者的溶液行为进行了研究。结果表明,TBA_(2)[Mo_(6)O_(19)]在溶液中的存在形式为裸多阴离子,TBA_(4)[α-Mo_(8)O_(26)]在溶液中主要以降解后形成的低核钼簇的形式存在,其中{Mo_(4)}含量最高。对两种化合物相互转化关系的研究表明,TBA_(4)[α-Mo_(8)O_(26)]溶液加酸可成功转化为TBA_(2)[Mo_(6)O_(19)],温度对该转化过程无明显影响。TBA_(2)[Mo_(6)O_(19)]溶液加碱未能成功实现其转化为TBA_(4)[α-Mo_(8)O_(26)]的逆反应过程。对两种多钼酸盐的ESI-MS、IR表征,得到了两种化合物的结构指纹图谱。对两种多钼酸盐转化的研究为多酸化合物之间的相互转化补充了一条可行方案,为多酸化合物合成过程的反应机理研究提供了更丰富的基础信息。展开更多
基金the National Basic Research Program of China (973 Program), No. 2009CB522904the National Natural Science Foundation of China, No. 81173326, 81072868, 30973802 and 81102661Supported by Open Research Fund of Zhejiang First-foremost Key Subject-Acupuncture & Moxibustion, No. ZTK2010B05
文摘This study compares the changes of DNA repair in brain tissue dominated by the middle cerebral artery after electroacupuncture at the acupoints of Renzhong (DU 26), Neiguan (PC 6), Quchi (LI 11) and Zusanli (ST 36) in rats. In the apurinic/apyrimidinic endonuclease DNA basic group reparative excision experiments, the apurinic/apyrimidinic endonuclease activity of brain tissue increased slightly after electroacupuncture in rats. In the DNA polymerase β (Pol β)experiments, the Pol β ac-tivity of brain tissue increased after electroacupuncture, especially at DU 26 and PC 6. In the DNA ligase experiments, the expression of DNA ligase 1 in brain tissue increased significantly after electroacupuncture. These findings demonstrate increased activity of apurinic/apyrimidinic en-donuclease, Pol β and DNA ligase 1 after electroacupuncture at DU 26 and PC 6. Also, DNA repair in brain tissue supplied by the middle cerebral artery is promoted after electroacupuncture at DU 26 and PC 6, which are more effective than the LI 11 and ST 36 acupoints .
文摘为了对多酸化合物合成过程的反应机理研究提供更多的基础信息,同时扩充同多酸盐的结构指纹图谱。以合成多钼酸盐化合物的两种常见反应物TBA_(2)[Mo_(6)O_(19)]与TBA_(4)[α-Mo_(8)O_(26)]为研究对象,以Na_(2)MoO_(4)为基础原料合成两种化合物,用红外光谱(IR)对其固体结构进行了表征,用电喷雾质谱法(Electrospray Ionization Mass Spectrometry,ESI-MS)对二者的溶液行为进行了研究。结果表明,TBA_(2)[Mo_(6)O_(19)]在溶液中的存在形式为裸多阴离子,TBA_(4)[α-Mo_(8)O_(26)]在溶液中主要以降解后形成的低核钼簇的形式存在,其中{Mo_(4)}含量最高。对两种化合物相互转化关系的研究表明,TBA_(4)[α-Mo_(8)O_(26)]溶液加酸可成功转化为TBA_(2)[Mo_(6)O_(19)],温度对该转化过程无明显影响。TBA_(2)[Mo_(6)O_(19)]溶液加碱未能成功实现其转化为TBA_(4)[α-Mo_(8)O_(26)]的逆反应过程。对两种多钼酸盐的ESI-MS、IR表征,得到了两种化合物的结构指纹图谱。对两种多钼酸盐转化的研究为多酸化合物之间的相互转化补充了一条可行方案,为多酸化合物合成过程的反应机理研究提供了更丰富的基础信息。