查询词典 span roof

Where G and Q are the total dead and live load on the span, respectively.

其中G和 Q分别是跨度上的静荷载和活荷载。

Orthotropic and exodermic decks are becoming increasingly popular on long-span structures as a means of reducing dead load.

正交各向异性和exodermic牌是大跨度越来越受欢迎作为一种手段，降低结构自重荷载。

With the increase of bridge span, it is of crucial importance to decrease the deadweight of the superstructure.

随着桥梁跨度的增加，减轻上部结构的自重成为十分重要的问题。

This text passes correctly elm two of Daqing oil field is united --One Song unite person who bury oil pipeline scene to live in environment survey and study, is it take a sample test , environmental corrosivity survey , corrosivity measuring of pipeline and assess of soil to excavate, is it cause person who bury pipeline antiseptic layers of invalid main factor to find out , confirm the environmental grade of corrosion of soil according to environmental comprehensive physics and chemistry index of soil, grasp pipeline antiseptic invalid law of layer , study antiseptic layers of resistivity decay law and to influence that negative pole protect, is it suitable for person who bury antiseptic layer of life-span of the pipeline calculate formulae and actual effect criterion model to propose on the basis of this text, illustrate and simply analyse oil field long to fail person who bury antiseptic layer of surplus ability to work of the pipeline, unite for elm two --One Song unite pipeline antiseptic maintenance of layer , is it put forward science rational suggestion to change.

本文通过对大庆油田榆二联——宋一联埋地输油管道所处环境的现场调研、开挖取样化验、环境土壤的腐蚀性勘测、管线的腐蚀性检测和评估，找出引起埋地管道防腐层失效的主要因素，并根据环境土壤的综合理化指标确定该段环境土壤的腐蚀等级，掌握管道防腐层的失效规律，研究防腐层电阻率衰减规律及其对阴极保护的影响，在本文的基础上提出适用于埋地管道防腐层寿命计算公式和失效判据模型，例证和浅析油田长输埋地管道防腐层剩余工作能力，为榆二联——宋一联管道防腐层的维修、更换提出科学合理的建议。

The theoretical calculations for the mid-span deflection and bottom plate strain of the steel girder are found to be in good agreement with the experimental results. This indicates that the model established and the governing differential equations derived in this dissertation are correct and efficient.

论文中所提出的预应力简支钢箱梁理论的分析方法，对解决配置有曲线型预应力钢索的钢梁的非线性问题来说是一种精确而简便的计算方法。

Furthermore,we will design an automatic opto-electronic deflection measurement system based on connected pipes which can be practised in the long-span bridge.

以设计能实用于大跨度桥梁挠度自动监测的光电挠度测量系统。

For cable stayed bridge of single tower cooperative system that are often used in practice,the cable tower and beam s character of this system in deflection and mechanics from the length without cable and the ratios of depth of beam to main span is analyzed.

对于工程中常见的独塔不对称协作体系，从主跨无索区长度及主梁的高跨比着手，分析协作体系斜拉桥索、塔、梁的受力及变形状态，对上述设计参数提出合理的取值范围。

The seismic performance such as failure pattern,fai lure mechanism,hyst eresis loop curves,restoring-force model,displacement-restoring capacity,displac ement ductility,rigidity degradation and energy dissipation of two pieces of HPC frame with double-story and double-span are studied systematically by testing o f low reversed cyclic loading.

通过低周反复荷载试验对两榀双层双跨高性能混凝土框架的破坏形态、破坏机制、滞回曲线、骨架曲线、恢复力模型、变形恢复能力、位移延性、刚度退化、耗能能力等性能进行了较为深入系统的研究。

And tonight is my first time on C-SPAN, which is a channel I obvious always watch when I couldn't stand the sensationalism and demagoguery of PBS and QVC.

今晚是我第一次出现在 C-span 频道，通常当我无法忍受 PBS 和 QVC 的鼓吹与煽动时我就会看这个频道（ PBS 的节目以主观著称， QVC 则是购物频道）。

Methods:Expected life span was calculated based on the changing rules observed by demographist Coale and Demeny and the iterative model modified by Ca Ruide. Univiarite linear regression model was used to predict elder population coefficient.

采用人口普查资料、卫生事业发展资料，利用SAS9.0软件，根据人口学家Coale和Demeny提出的平均期望生命增长规律和查瑞传修订的迭代模型，预测河南省平均期望寿命，利用线性回归模型预测老年人口系数。

We stopped by the old fashion ice cream parlor Manhattan Beach Creamery for some refreshment. The "No Shoes, No Shirt, No Problem" sign on the wall epitomizes the beach lifestyle.

我们去商店区的一家老式冰淇淋店坐坐，墙上挂著「没鞋，没上衣，没问题」的牌子完全捕捉了海滩生活的随性及风格。

"If therefore", argues Bellarmine we can offer our prayers and our satisfactions in behalf of those detained in purgatory, because we are members of the great body of Christ, why may not the Vicar of Christ apply to the same souls the superabundant satisfaction of Christ and his saints--of which he is the dispenser?

" "因此，如果"，认为贝拉明（德indulgentiis ，十四）"我们可以提供我们的祈祷和我们满意的代表那些被拘留在炼狱，因为我们是成员的伟大基督的奥体，为什麼可能不是牧师基督适用於同样的灵魂满意的过剩是耶稣和他的圣人-他是在配药？