查询词典 tubular knot

A model was developed to simulate the operation of a tubular solid oxide fuel cell with combustion zone at the steady and transient operation states.

建立了一个考虑燃烧区的管式固体氧化物燃料电池数学模型。

The 4th Qiantangjiang River Bridge in Hangzhou is a concrete-filled steel tubular composite tied arch bridge with double decks and double main arches.

钱江四桥为双层桥面双主拱钢管混凝土组合系杆拱桥，主桥共有11跨，包括了下承、中承、上承三种拱桥形式。

The method was applied to measure the hydraulic losses of inlet and outlet conduit of bulb tubular pump system of the pumping station respectively.

采用本文的方法对某泵站前置灯泡和后置灯泡贯流泵的进、出水流道分别进行了模型试验，测试了流道水力损失。

The method was applied to measure the hydraulic losses of inlet and outlet conduit of bulb tubular pump system of the pumping station re.

采用本文的方法对某泵站前置灯泡和后置灯泡贯流泵的进、出水流道分别进行了模型试验，测试了流道水力损失。

The hydraulic loss of conduit in both vertical pump system and bulb tubular pump system were calculated using the numerical simulation, and the influence of pump impeller diameter on hydraulic loss of conduit was analyzed. Based on the similitude rules of impeller pump, the relationship between pump impeller diameter and nD value and the influence of pump selection and design were analyzed.

采用数值计算的方法，分别计算了具有不同水泵叶轮直径的立式轴流泵装置和灯泡贯流泵装置的流道水力损失，比较了水泵叶轮直径对流道水力损失的影响；根据叶片泵的相似律，分析了在一定设计流量条件下水泵叶轮直径与nD值的关系以及对水泵选型设计的影响。

Corolla tubular; limb 2-lipped; lower lip spreading flat, 3(or 4)-lobed; upper lip erect, emarginate or entire.

花冠管状瓣片二唇形；下唇传播平，3浅裂；上唇直立，微缺的或全缘。

Flowers tubular ,campanulate or almost spreading ,bisexual (stamens and pistil in one flower )or unisexual (female and male flowers on the same plant), up to 4cm across. Tepals 4-6, white, cream-yellow, red-purple,or violet-blue .

花朵呈管状，铃状，或者几乎平展，雌雄同体或雌雄异体，茎达4cm 。4-6个萼片，白色，奶黄色，紫红色或紫罗兰色。

Based on the relations among the stress, final wall-thickness of thin-walled tube and the characteristics of tube material, original size, curling radius along with friction condition in a axially-compressed internal inversion process on right-angled fillet die, some analytical discriminants were established for judging if a double-layered tubular piece of aluminum alloy could be steadily formed from a certain-sized round tube via internal inversion process without interference and plastic instability of tube wall, and a method was put forward for determining the maximum and minimum usable curling radius or die fillet-radius for thin-walled tubes in the process.

基于薄壁管直角圆角模轴压内翻过程中各处应力及最终壁厚与管材特性、管坯尺寸、卷曲半径及摩擦条件之间的关系，推出了判别任一铝合金双层管件可否由特定尺寸圆管稳定内翻成形而不出现管壁干涉与塑性失稳问题的解析判别式，指出了确定薄壁管圆角模内翻卷曲半径或模具圆角半径极限值的方法。

The author designs a rotary polyacrylate tubular membrane separator with transparence glass outer cylinder and studied the flow field characteristics of its annular gap and the micro-filtration performance by theoretic and actual testing methods for the first time.

本文设计了一套外壳透明的旋转聚丙烯管式膜器，采用理论和流场实测相结合的方法，首次系统地研究了膜器环隙间的流场特征和膜器的微滤特性。

14G diamond plate steel tubular frame.

坚固性：14G菱形钢，管状结构。

However it can often be frust ating for a child when people are unable to pronounce their name.

但它往往可以令人沮丧的一个孩子当人们无法断言他们的名字。

All these compounds were obtained from this genus for the first time. Compound, 4-cumylphenol, was a new nature product.

所有化合物均为首次从本属海藻中分离得到，其中4cumylphenol为新天然产物。