查询词典 elements

The diverse types of tracheary elements and perforation plates in secondary xylem of A. asiatica show that previous knowledge about the tracheary elements and perforation plates in secondary xylem of A. asiatica is not complete and thus any inferences about the aboriginality and evolution of a taxon made depending on these traits are not reliable.

根据类叶升麻次生木质部中多变的管状分子类型，认为以往积累的有关毛茛科植物管状分子类型及导管穿孔板类型是不全面的，因此以该性状为参考作出的有关某一个类群的原始性和进化性的推论也是不可靠的。

Trace elements in Herba abri were determined by ICP atomic emission spectroscopy. The result showed that the content of calcium, magnesium, zinc and iron was abundant. The relation between these beneficial elements in body and health were discussed.

用电感耦合等离子体发射光谱仪测定了湛江人工栽培的鸡骨草中微量元素含量，发现其钙、镁、铁、锌等元素的含量都较丰富，并讨论了这些有益元素与人体健康的关系。

The application of the gap element method in gap joint mechanisms is proposed. The stiffness matrix of the rotate joint elements and sleeve joint elements with gap elements are formed and the dynamic equation of the structure is given in the paper.

文中还提出了旋转铰和滑移铰两种间隙单元，推导了间隙单元的刚度矩阵，最后给出了含间隙单元的结构动力学方程。

It is a further object of the invention to provide a method of assembly of a foldable plastic slider comprising a body having a depending separator finger and a pair of foldable wings, with a profiled plastic reclosable fastener particularly suited for thermoplastic bags for opening and closing the fastener comprising the steps of positioning a plastic bag having a plastic reclosable fastener along the top edges of the front and back faces of the bag to receive the foldable plastic slider in straddling relation, the fastener comprising a first interlocking element having a female fastener profile attached to one of the faces of the bag and a second interlocking element having a male fastener profile attached to the other face of the bag, inserting the plastic separator finger between the first and second interlocking elements, and forming the slider in straddling relation around the male and female fastener profiles at the top edges of the bag by folding the pair of wings downwardly toward the plastic separator finger and against the opposite sides of the body, and securing the pair of wings to the opposite sides of the body in fixed relation with the separator finger to form a pair of side walls for the slider whereby movement of the slider in one direction opens the fastener elements and movement in the opposite direction recloses the fastener elements.

资讯科技是提供一个组成一个有一只靠区分者手指和一双可折叠的翅膀身体的可折叠的塑料滑动器的一个集会的方法发明的一个较进一步的物体，由于一特别地描绘塑料的 reclosable 牢系工具轮廓为打开而且关闭组成放置一个沿着袋子的前面和后面脸的最高边缘有一个塑料的 reclosable 牢系工具在跨立关系方面接受可折叠的塑料滑动器的塑料袋子的步骤牢系工具为热后可塑性的袋子适合，组成一种第一的联锁元素的牢系工具对袋子的脸之一和一种第二种联锁的元素附上女性的牢系工具描绘附上男性的牢系工具描绘到另一个袋子面对，插入塑料的区分者手指在第一和秒联锁的元素之间，而且形成滑动器在向塑料的区分者手指向下地在折叠双翅膀旁边的袋子最高边缘在男性的和女性的牢系工具的周围跨立关系描绘方面和反对身体的相反边，而且固定到与区分者手指的固定关系的身体相反边的双翅膀为一个方向的滑动器的运动打开相反的方向牢系工具元素和运动的滑动器形成一双旁的墙壁再关牢系工具元素。

The finite element model of the hybrid spatial structure system is built by the beam elements,truss elements and cable elements,its dynamics characteristics and the influence of some parameters are analyzed thoroughly here by the block Lanczos method,and then the computed re...

选用梁元、杆元和索元的混合有限元模型，采用分块Lanczos法，对凯威特型索承网壳结构的自振特性及其影响因素进行了系统分析研究，并与单层网壳结构进行比较，得出了可用于工程实践的结论，对其抗震、抗风性能分析研究以及工程应用有参考价值。

Based upon the force-bearing characteristics, the combined finite element model of beam elements, truss elements and cable elements is selected, and an incremental-iterative nonlinear finite element technique is developed to analyse the dynamic response of the long span hybrid spatial structure of cable-supported lattice shells.

本文根据新型大跨空间杂交结构―索承网壳结构的受力特点，选用梁元、杆元和索元的混合有限元模型，给出了一种有效的适用于该类结构的非线性动力响应的增量、迭代有限元计算方法。

Based on the variation with the structural and geometric parameters for a real engineering, dynamic characteristics for a cable-supported lattice shell is studied with the block Lanczos method by means of the finite element model combined with beam elements, truss elements and cable elements.

选用梁元、杆元和索元的组合有限元模型，采用分块Lanczos法，针对一实际工程，通过改变结构参数、几何参数等诸多因素，较系统地研究了肋环型索承网壳结构的动力特性及抗震、抗风性能，对工程应用有一定参考价值。

A series or criteria of recognizing tin-bearing granite is set up by collecting the data on related petrology, mineralogy, geochemistry, trace elements, transitional ele ments, incompatible elements and rare earth elements.

黑云母花岗岩对成矿的贡献有两个突出的方面：其一是其在重熔生成演化过程中，经高度分异作用，将原各地质体中的锡多金属元素分馏富集，为成矿奠定了一个良好的基础。

Preliminary results show that the sampling uncertainties for 16 elements are better than 1% on the sample sizes above 1 mg by using INAA, those for 7 elements are better than 1% on the sample sizes of sub-mg by using PIXE, and for 3 elements Cu, Fe, and Rb, they are better than 10% on the sample sizes equal to or larger than 7.5, 9.6, 42.4 ng, respectively.

初步结果表明：在有效取样量几百μg的条件下，取样不确定度好于1%的有7种元素，在亚ng到几十ng的取样量下，Fe、Cu、Rb的取样不确定度均小于10%，其中，Rb的取样不确定度小于5%。

In the device fabrication, first by the low implantation on the top of the device the isolation between elements in arrays is achieved, and then the deep implantation on the upper layer down to the active layer can provide the transverse current confinements in individual elements in arrays. At the same time the thermal interaction between elements in arrays has also been studied.

在四次质子注中国科学院博十学位论文摘要入制备VCSEL列阵器件的设计中，一方面通过对外延片上DBR反射镜的较浅的质子注入形成高电阻区域实现对列阵器件中的单元器件之间的隔离，另一方面通过再次的较深度的可以达到有源区上表面的质子注入形成高电阻区域实现对单元器件中注入电流的限制作用c在对VCSEL列阵器件的设计中，对单元器件之间的热相互作用也进行了分析。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。