查询词典 longitudinal

To reveal patterns of longitudinal distribution, seasonal variation, and ecological succession in cladocerans communities in the Three Gorges Reservoir, ten sites were used to sample cladoceran communities across a longitudinal gradient from April, 2004 to January, 2005. Nine cladoceran species were collected throughout the year.

中文摘要：为了阐明三峡水库初次蓄水后干流库区枝角类的时空分布规律， 2004年4月至2005年1月，在600余公里干流库区设置10个样点，定性和定量采集枝角类标本。

The main contents are listed as follows: 1. Nine square concrete-filled thin-walled steel tubular columns with stiffeners (six specimens with longitudinal stiffeners in two directions and three specimens with longitudinal stiffeners in one direction) have been experimentally investigated under combined constant axial load and lateral cyclic load in order to get their hysteretic behavior.

具体进行了以下几方面工作：(1)共进行了9根设肋方形薄壁钢管混凝土柱(6根双向设纵向加劲肋、3根单向设纵向加劲肋)在恒定轴力和往复荷载作用下的滞回性能试验研究。

The air conditioner forced draft fan ventilates the way to have longitudinal and the crosswise two kinds generally, the lateral ventilation the air current overflow sectional area is big, the wind speed is small, easy to create the big area the dead angle, but longitudinal ventilates the air current the overflow sectional area to be small, the wind speed is big, the dead angle area is very small.

冷风机通风方式一般有纵向和横向二种，横向通风的气流过流断面积大、风速小，容易造成较大面积的死角，而纵向通风气流的过流断面积小，风速大，死角面积很小。在使用条件许可的情况下，应该尽可能采用先进的纵向通风方式。

The influence of with or without longitudinal joint, with or without initial opening, with or without filling in the joints and different friction factor in the joint face and so on are studied on the seismic response of Fengman Dam. Thus the conclusions for gravity dams with longitudinal joints is drawn.

对于丰满重力坝，本文考虑了有、无纵缝，纵缝有、无宽度，纵缝有、无填充物及缝面的不同摩擦系数等情况，进行了静动组合的地震反应分析，对存在纵缝的重力坝的抗震特性得出了一系列规律性的认识。

Only a conventional longitudinal testing probe is needed to measurement transverse wave produced by grazing incidence longitudinal wave.

使用常规纵波探头对由掠入射纵波产生的横波进行测量。

According to longitudinal vibration partial differential equation of rod, the longitudinal vibration displacement response of uniform infinite rods by the harmonic point forces was derived.

longitudinal vibration ； wave approach ；从杆纵向振动的偏微分方程出发，推导了无限长杆在简谐点力作用下的纵向振动位移响应，在此基础上，基于结构线性假设和波的叠加原理，得出了有限长梁纵向振动谐响应的波动表达式，列出了常用的边界条件。

The osteoarthritis kneepad was made by Fujian University of Traditional Chinese Medicine and Institute of Biomedicine of Fuzhou University, including longitudinal wave and thermal membrane programs. Both programs dynamically intervened longitudinal wave.

治疗型关节炎护膝由福建中医学院和福州大学生物医学研究所共同研制，包括疏密波、热软膜程序，两种程序联合为温热动态干扰变频疏密波。

Longitudinal magnification describes the longitudinal conjugated property of ideal optical system ,on mathematic form,it is the slope of the imaging curve.

纵向放大率描述理想光具组的纵向共轭性质，在数学形式上是物象曲线的斜率，从纵向放大率的定义出发，结合物像曲线，分析了理想光具组的纵向共轭规律，并举例说明其实际应用。

The paper firstly examined the mechanical characteristics of wood samples at micron scale, which provided some theoretical basis for the application of wood microtome section to study the in-tree variation of longitudinal mechanical properties of tracheids. In chapter 3, microtension of wood microtome section is for the first time used to explore the in-tree variation of longitudinal MOE of tracheids, meanwhile the size effect of mechanical properties of wood at micron scale is taken into count.

本项研究正是基于以上考虑而提出的，首要目标是提出能快速评价管胞纵向力学性质的实验技术，并以此研究了人工林杉木管胞纵向力学性能的株内变异规律；目的之二是从实验和理论的角度研究管胞细胞壁力学性质的主要影响因素，为树木木材品质的基因改良提供量化的目标和指标。

In chapter 5, the concept of zero-span tension known in papermaking area is for the first time introduce to wood science area to explore in-tree variation of longitudinal tensile strength of tracheids and its main influencing factors. In chapter 6, composite micromechanics and classic laminated theory are used to make a comprehensive and detailed analysis of the main influencing factors of mechanical properties of tracheids cell wall. Some experimental results acquired in the foregoing chapters are explained successfully. Results were summarized as follows: Mechanical characteristics of wood at micron scale: 1 At micron scale, the longitudinal mechanicai behavior of wood microtome section differs greatly from that of wood with normal size.

论文的第2章首先研究了微米尺度下木材的力学特性，为后面运用木材微切片拉伸技术奠定一定的理论基础；在第3章，首次考虑到了微米尺度下木材力学性质的尺寸效应，并运用木材微切片正常间距拉伸技术研究了管胞纵向弹性模量的株内变异规律；在第4章，首次利用纳米压痕技术中最新发展起来的连续刚度测量法直接在管胞细胞壁上进行纳米级的压痕实验，测量次生壁S〓层的纵横向弹性模量和硬度，从而把细胞壁力学的研究提高到一个更高的水平；在第5章，首次把造纸领域的零距拉伸技术引入木材科学研究领域，研究了管胞纵向抗拉强度的株内变异规律及其主要影响因素；第6章则运用复合材料细观力学的基本理论和经典层板理论对影响细胞壁力学性能的主要因素进行了全面而系统的分析，并为前几章的一些实验结果提供理论上的解释。

There are different types of personal loans available.

有许多不同类型的个人贷款优惠。

The above mentioned teaching model of spiral rising can be used to avoid rigidness in teaching.

上述螺旋式上升的教学模式，可以避免教学形成模式後的僵化现象。