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In this paper,7 species( new species)belonging to genera from the Zhidan Group are studied by writer. They are mainly Coniferopsida and Cycadopsida,but Filices and Ginkgopsida are absent. |
中文意思: 本文描述了鄂尔多斯盆地西南部华亭-陇县地区志丹群的7种植物化石(内有 个新种,0个未定种). |
以下为相关句子列表(点击查看,可以看对应的解释):
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In this paper, we introduce the GPS-LP receiver module of Garmin Corporation and its application in portable navigator for automobile .
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介绍了Garmin公司的GPS-LP接收模块及其在车载导航仪设计中的应用; |
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In this paper, we obtained some results of oscillatory a class of Nonlinear Netural Difference Equations△[an△(bn△(xn -pnxn-r))] + qnf(xn -σ) = 0 by using Riccati changer our results generalize and improve some known results.
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用Riccati变换方法,获得了一类非线性差分方程 △[an△(bn△(xn-pnxn-r))]+qnf(xn-σ)=0 的振动性的一些结果,并对已知结果做了一些有意义的改进. |
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In this paper, we prove that the cyclic coverings of Heawood is at most -regular and construct a new infinite family of cubic -regular graphs.
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本文证明了Heawood图的循环覆盖至多是_正则的,并且构造了另一个新的 度_正则图的无限类. |
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In this paper, we research the thermal radiation of Klein - Gorden particle in static black plane spacetime. By means of the method proposed by Damour and Ruffini, we get the Hawking temperature T of the static black plane, and TM/
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本文通过运用Damour-Ruffini[]方法具体研究了静态黑平面Klein-Gorden粒子的热辐射,得到静态黑平面的Hawking温度正比于M/ 。 |
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In this paper, we study the isometry groups ofpinched Hadamard manifolds and generalize some Beardon'Theorems on Mbius groups in n and Chen and Greenberg'theorems in H n to pinched Hadamard manifolds.
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研究了Hadamard流形上的等距群Isom(X) ,证明了一些关于极限集的定理 ,将Beardon有关M bius群的定理以及Chen和Greenberg关于双曲空间的几个结论推广到了Hadamard流形上 . |
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In this paper,7 species( new species)belonging to genera from the Zhidan Group are studied by writer. They are mainly Coniferopsida and Cycadopsida,but Filices and Ginkgopsida are absent.
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本文描述了鄂尔多斯盆地西南部华亭-陇县地区志丹群的7种植物化石(内有 个新种,0个未定种). |
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In this paper,We analyse the logical organization of head sector,root di-rectory,file allocation table and diskette,in order to study the method for reading diskfiles at the base of BIOS by following the tracks of FAT.
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本文通过对引导扇区、根目录、文件分配表、磁盘的逻辑结构的分析,讲述如何在BIOS一层上通过跟踪FAT读取磁盘文件信息的全过程。 |
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In this paper,We discuss an optimal cutting prblem
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讨论了En中的超长方体最优切割问题.不仅讨论了最优切割次序,并且讨论了最优切割位置. |
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In this paper,a closed-form of equations are presented,which can predict the speed of the ogival projectile and the penetration depth during the ogival nose penetrating into 0MnCrNiMoB High Strength Low Alloy Steel (HSLAS).
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给出了弧形弹头侵入 0MnCrNiMoB高强低合金钢过程中弹头的侵彻深度与速度的关系式。 |
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In this paper,a speed control system for BLDC motors based on the A 9 SED and AT89C was developed. A 9 SED is a new generation of ASIC of Allegro designed for PWM control of BLDC motors.
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开发了基于电机专用控制模块A 9 SED和AT89C的无刷直流电机的调速系统,A 9 SED是Alle-gro公司推出的新一代无刷直流电机专用控制模块,它可以方便地对无刷直流电机进行PWM控制。 |
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In this paper,electrical transport and magnetic properties of polycrystalline La_(/8-x)Pr_xCa_( /8)MnO_ ((x=0),0.0,0. ,0.) are investigated systematically. Low temperature resistivity minima for La_(/8-x)Pr_xCa_( /8)MnO_ systems are reported.
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系统地研究了多晶La/8-xPrxCa /8MnO (x=0,0.0,0. ,0.)体系的磁性和电输运特性,并报道了这一体系的电阻率极小值行为. |
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