结构群
- 与 结构群 相关的网络例句 [注:此内容来源于网络,仅供参考]
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On Si(111)-(7×7) reconstructed surfaces, all the surface and interface roughnesses of the heterostructure were found to be below 0.6 nm. The Gd_2O_3 films grown on Si(111) have the cubic bixbyite structure with the space group of Ia-3 and with [111] orientation as the surface normal.
在S(i111)-(7×7)再构表面上,生长的异质结构的各界面和表面的粗糙度均小于0.6 nm,生长的Gd_2O_3薄膜为立方相的方铁锰矿结构,空间群为Ia-3,且是以[111]为面外方向生长的。
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PCR-DGGE analysis indicated that the diversity of the microbial community structure was slightly reduced resulting in an optimized one. The dominant genera were Desulfovibrio and Desulfomicrobium .
PCR-DGGE种群结构分析表明,与接种菌源相比,种群丰度略有降低,群落结构得以优化,优势菌群为脱硫弧菌属和脱硫微菌属。
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In the Secondone,we presented a simple and expedient electrolytical reductionmethod to grow molybdenum blue bronze crystals from salts melts.The structure and composition were verified by single-crystal X-raydiffraction and XPS electron-probe analysis.
通过XPS和四园单晶X-射线衍射方法对单晶成份和结构,利用汇聚束电子衍射和STM方法对单晶的群对称性及表面电子结构进行分析研究,结果表明:生长的单晶具有高质量,且与国外制备的单晶一致,给进一步深入的研究工作提供了可靠的依据。
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The results are showed as follows:the appearance of Luota karst forest community is characterized by the middle and lowphaneropytes such as Cyclobalanopsis glauca, Lithocarpus glaber, et al. The structure ofthe community is generally composed of tree layer, shrub layer and herb layer. Thedominants are Cyclobalanopsis glauca, Lithocarpus glaber, Dendrobenthamia capitata, et al.There are 36 tree, shrub and vine species in this community. The individnal height isincreased as pyramid, the volume has the same results.
结果表明:喀斯特森林木本植物群落的外貌由青冈栎、石栎、头状四照花、五裂槭等中、小高位芽植物决定,其结构一般分为乔木层、灌木层和草本层,上风种有青冈栎、石栎、头状四照花和五裂槭;组成该群落的木本植物有36种;个体高度呈金字塔增长趋势,径级结构也有类似结果;在水平分布上,上风种为集群分布,常见种则为随机分布。
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Based on the framework structure of mordenite, another novel structure molecular sieves with extra-large pores is designed.
基于丝光沸石的骨架结构利用Σ变换方法还设计了属正交晶系Cmcm空间群的MCR16超大孔新型分子筛骨架拓扑结构。
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Bored tunneling of the project between the SongjiangNanjiang station and ZhongxiaoXinsheng station in the Xinzhuang line of Taipei MRT was challenged by the conditions of driving through the underground structure of six panels of the retaining wall ,including the irregular continuous walls and noncontinuous base of foundation piles, beneath the existent tunnels of the Taiwan Railwayand the Taiwan High Speed Railsystem.
台北捷运新庄线于松江南京站与忠孝新生站之间,其潜盾隧道工程必须自营运中的台铁与即将营运高铁隧道结构下方通过,且需穿越既有地铁结构下方之六道挡土壁体,包括不规则之连续壁体及非连续性之基桩群等。
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The study of crystal structure indicates that the complexes belongs to tetragonal,14(1)/a, a=b=27.047(5) A, c=14.103(3) A, a=b=y =90,V=10317(4)A3, Z=16, Dc=1.071g/cm3, F(000)=3408, R,=0.1395, R2=0.1766 and every unit of the tetranuclear complexes is four-coordinated to tridentate ligand and nitrogen atom in pyrazolone from other ligand. The complexes is slightly deformed square-planar geometry.
晶体结构研究表明,该配合物为四方晶系,空间群I4(1)/a,a=b=27.047(5),c=14.103(3),α=β=γ=90°,V=10317(4),Z=16,Dc=1.071g/cm~3,F(000)=3408,R_1=0.1395,ωR_2=0.1766,其结构单元是由一个三齿配体中的ONO和另一个配体吡唑啉酮环二位上的N配位后形成略微畸变的平面四边形构型,其中Cu的配位数为4。
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The crystal structures have been determined by X-ray diffraction method, which show that the new complex [Co2-Co(2)(0H2)s] belongs to the bridging binuclear complex and the system of monoclinic with space group P211~,unit cell parameters a8.3850(10)A, b=27.386(4) A, c=9.610(2) A,~=98.280(10)~,V=2 183.8(6) A3 , Z=4, Dc=l.746Mg/m3,~i =l.597mm, F(000)=1168, Final R=O.0253 and wR=O.0610 S1.009 ,The two Co2~ are in distorted octahedrons. The part of [2Co] possess an approximate D2d symmetry, while the part of [OCo(2)(0H2)5] has an approximate C2 symmetry.
结构分析表明配合物(1)[Co1,(DPC2-Co(2)(OH2)5]是一个未见报导的桥联双核配合物,属单斜晶系,空间群为P2_1/c,晶胞参数:a=8.3850(10)A,b=27.386(4)A,c=9.610(2)A,β=98.280(10)A,V=2183.8(6)A~3,Dc=1.746Mg/m3,Z=4,μ=1.597mm-1,F(000)=1168,结构偏离因子R=0.0253和ωR=0.0610,吻合因子S=1.009,Co_(1)和Co_(2)的配位多面体皆为扭曲正八面体,[_2Co_(1)]部分具有近似D_(2d)对称性,[OCo(2)(OH_2)5]部分具有近似C_2对称性。
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A group control system of mechatronic equipments has the characteristics of distribution, parallelled working and independent operating. This paper proposes an intelligent dispatching model with hierarchical structure based on multi-agent theory and technology in order to optimize operating scheming and to improve operating efficiency. Some key issues, such as the multi-agent system structure, agent collaboration mechanism and control algorithm, are studied in this paper.
针对群组控制的机电一体化设备具有分布、并行工作和自主运行的特点,从优化调度、提高运行效能的角度出发,基于Multi-agent理论和技术,提出了一种具有递阶结构的Multi-agent智能调度模型,并对Multi-agent系统结构、Agent协作机制和控制算法等关键问题进行了研究。
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Performed tests based on seven kinds of important structural parameters which were wall thickness, shielding thickness, the radial wall shielding insertion depth, the width of the radial electrode, the electrode width, the relative dielectric constant of wall material and filler shield relative dielectric constant, and studied on structural parameters and the corresponding performances by RBF neural network, the optimization based on PSO was performed with the regression model.
该方法以敏感场整体灵敏度大小等系统性能为优化目标,基于管壁厚度、屏蔽层厚度、径向屏蔽插入管壁深度、径向电极宽度、电极宽度、管壁材料的相对介电常数、屏蔽层填充物相对介电常数7种重要的结构参数进行试验。应用RBF神经网络对多组结构参数以及对应的系统性能指标进行学习,得到回归模型,并应用粒子群算法进行寻优。
- 推荐网络例句
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However, as the name(read-only memory)implies, CD disks cannot be written onorchanged in any way.
然而,正如其名字所指出的那样,CD盘不能写,也不能用任何方式改变其内容。
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Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.
镀锌钢托盘多用于出口,替代木托盘,免薰蒸,符合欧盟、北美各国对出口货物包装材料的法令要求;喷涂钢托盘适用于重载上货架之用,托盘表面根据需要制作成平板状、波纹状及间隔形式,满足不同的使用要求。
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A single payment file can be uploaded from an ERP system to effect all pan-China RMB payments and overseas payments in all currencies.
付款指令文件可从您的 ERP 系统上传到我们的电子银行系统来只是国内及对海外各种币种付款。