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The tectonic evolution of southern Junggar basin can be classified into seven stages: stage of intracontinental rift from middle Periman to late Late Carboniferous; stage of weak extension and peneplane from late Permian to early Triassic; stable depression stage in middle-late Triassic; maximal basin formation phase in the setting of weak extension in early-middle Jurassic; inactive depressed basin formation phase in thrust setting in middle-late Jurassic; stable depression stage in Cretaceous and Eogene; foreland depressed basin formation phase in thrust setting in Neocene and Quaternary.

准噶尔盆地南缘晚石炭世以来盆地构造演化可划分为七个演化阶段:晚石炭世—中二叠世陆内裂谷作用阶段;晚二叠世到早三叠世处于伸展-稳定坳陷作用阶段;中、晚三叠世准平原化作用阶段;早、中侏罗世为伸展背景下广盆形成阶段;中、晚侏罗世冲断背景下的坳陷盆地形成阶段;白垩纪到古近纪伸展背景下的稳定坳陷盆地形成阶段;新近纪—第四纪为冲断背景下的前陆坳陷盆地形成阶段。

The volume alternately ranges about mezzopiano and pianissimo, until after several almost revealing seconds of forte the pianist has the music retire into a pianissimo mystery in which it would, it appears, remain immersed indefinitely.

音量在中音和最音之间交替变化几次之后,是几秒钟的强音的抒发,之后钢琴家使音乐恢复到最音的神秘境界之中,陷入不确定的沉思。

In this paper the thymus DNA of calf and the pBs plasmid are the main objects of our studies in ultraweak luminescence. By means of PIAS(Photon-counting image acquisition), ultraweak luminescence detector and Lambda Bio 40 of UV/VIS spectrophotometer, we studied the UL of DNA induced by the three oxygen free radicals: singlet oxygen Oa, hydroxy radical and superoxide anion(O2 ). We found that the OH can greatly increase the UL intensity of DNA.

本论文以小牛胸腺DNA和质粒pBs为实验材料,利用光子图像探测系统(Photon-counting image acquistion,PIAS)、微发光测量仪和UV/VIS分光光度计和生物统计学的成组比较法原理对单线态氧(~1O_2)、羟自由基、超氧阴离子(O_2~-)三种氧自由基诱导DNA超发光的变化过程进行了研究,结果发现这三种氧自由基中·OH能诱导DNA的超发光发生显著的增强变化,而其他两种氧自由基对DNA的超发光并无显著诱导作用。

The results indicated that the water resources renewability in the Yellow River Basin was in middle level or below, and the whole basin's water resources renewability was very bad. Water resources social renewability of Presidial Cities in the Yellow River basin was in general level, and the others were worse than Presidial Cities, so the main cities' water resources social renewability in the Yellow River Basin was not good generally.

结果表明,黄河流域各区域可再生性能力基本上为中等或以下,整个黄河流域水资源可再生性能力较;15个主要城市中,省会城市水资源社会可再生性水平一般,其余城市属于较水平,总体上,黄河流域城市水资源社会可再生性能力普遍较

A theorem of the alternative for the generalized subconvexlike set-valued maps is established using the separation theorem of convex sets in a Banach spaces, the concept of weak Benson proper efficient elements for a vector optimization problem is introduced, and the optimality necessary and sufficient Lagrange conditions for a vector set-valued map constrained optimization problem with the weak Benson proper efficiency is developed, with which the optimality Lagrange conditions for a nonconvex vector top-base constrained optimization of set-valued maps with the Benson proper efficiency are obtained.

刘莹 ,刘三阳,盛宝怀运用凸集分离定理对广义锥次类凸集值映射建立了一种择一性定理。引入向量优化Benson真有效元的概念,对带约束的非凸向量集值优化问题建立了在Benson真有效意义下有效元应满足Lagrange乘子型的必要及充分条件,并用这一结果建立了多目标主从非凸向量集值优化在Benson真有效意义下最优解的Lagrange乘子型充要条件。

Firstly, this paper definited pseudometric d for n -foldproduct of σ-algebra A of subsets of a given set X , and definited indicator function ; secondly, gave the concept of differentiable of set function at S° and concept of partial derivative at S° with respect to the ith argument Si through indicator function, and defound the weak efficient solution of and optimality necessary condition; Finally, obtained three weak duality results and strong duality results under generalized convexity conditions.

首先,对已知集X的子集的σ-代数A的n-折积A^n,定义了伪度量d,给出了相应的特征函数〈h,Is〉;其次,通过特征函数给出了集函数在S 可微的定义及集函数在S 关于第i个变量Si的偏导数定义;给出了多目标规划问题的有效解概念及的最优性必要条件;最后,分别在目标函数和约束函数的3种较凸性条件下,研究n-集函数多目标规划问题的对偶问题,获得了3个对偶结果和强对偶结果。

The existence theorem of generalized weak efficient solutions with respect to variable, cone for a linear G〓teaux differentiable mapping is proved with set valued mapping fixed-point theorem and the relation between a vector optimization and a variational inequality problem. The existence of weak efficient solutions for multi-objective convex vector optimization is characterized.

建立映射在线性G〓teaux可微条件下关于可变锥的广义有效解的存在性及多目标凸向量优化问题在G〓teaux可微条件下有效解的特征,利用集值映射不动点定理及向量优化与变分不等式的关系证明线性G〓teaux可微锥凸映射关于可变锥的广义有效解的存在性定理。

In this paper, the author gives sufficient and necessary condition of solvable group using the weak c-normality of maximal and Sylow subgroup and gets some results about supersolvability and p-nilpotentlity of groups

作者研究了c-正规的性质并用Sylow子群和极大子群的c-正规性来确定一些群的结构,给出了一个群为可解群的充分必要条件,同时由极大子群、Sylow子群的c-正规性得到群G p-幂零、超可解的有关定理。

The study shows a close relationship between the total ozone and the ozone below 13 km, while the variation in the maximum concentration at about 20 km does not show any relationship to the column ozone. A weak-strong-weak southwesterly pattern in the 500 hPa synoptic system may be responsible for a low ozone advection during this ozone variation.

研究还表明,大气柱的臭氧总量与13公里以下的大气臭氧含量关系密切,而在约20公里处的大气臭氧浓度最大值的变化与整个气柱臭氧的关系不大。500 hPa天气形势图上一个一强一的西南天气型造成的臭氧平流可能是这次臭氧变化的主要原因。

The lower temperature reduced the tolerance-low-light of photosynthesis of sweet pepper leaves.

光低温或光适温处理下Pn的下降是非气孔限制的结果,低温降低了植株的光耐受性。

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推荐网络例句

He and Nina moved to California and lived at 2005 Ivar Street, Apt.

他和Nina搬到加州,并在2005年伊瓦尔街,公寓生活。

Droperidol ( potently inhibits transfected HERGchannels and this is the probable mechanism for QT prolongation.

氟哌利多有效地抑制了转染的 HERG 钾通道,可能是 QT 间期延长的机制。

The Nazi's cruel treatment of the Jews during the Second World War is beneath contempt .

二战期间纳粹对犹太人的暴行极其可鄙。