橋環鍵 的英文怎麼說
中文拼音 [qiáohuánjiàn]
橋環鍵
英文
endocyslic bond-
Regular vinyl addition polymers may be obtained from particularly strained endocyclic double bonds.
由帶特殊張力的橋環雙鍵可以得到規整的乙烯類加成聚合物。Arch rib is the key point during the process of the long - span concrete - filled steel tube arch bridge construction
主拱肋施工是大跨度鋼管混凝土拱橋施工的關鍵環節。The shantou bay suspension bridge is the first mordern suspension bridge in china its substructures are mainly towers and anchorages this paper presents some of the key techniques of the substructures construction ， including the cable anchorage system setup ， the hydrated heat control in the anchorage ， construction of the foundation and bearing plate of the tower in the ocean ， the control of tower construction ， etc
汕頭海灣大橋是我國第一座現代懸索橋下部結構主要包括索塔和錨碇本文介紹了該橋下部結構施工的一些關鍵技術環節，包括主纜錨碇錨固系統的安裝，大體積混凝土的溫控防裂，主塔基礎和承臺的海上施工，塔柱滑模施工控制等Bridge, as a crucial conjunction and controlling place of road, is influenced complicatedly by many factors, for example, design normal, fixed number of year in use, material, environment, quality of maintainence, traffic, load and accident, etc. so, the construction of bridge will be changed and its capacity of bearing the weight will drop down gradually. in addition, bridge ' s erosion, aging, and damage, all these factors bring about hidden troubles for bridge ' s use
橋梁作為道路交通的關鍵結合部與控制部位，它受到設計標準、使用年限、工程材料、外部環境、養護質量、交通量、作用荷載、偶然事故等因素錯綜復雜的交互影響，必然會使橋梁結構內部產生變異性，導致承載力逐漸降低，再加上橋梁的腐蝕、老化、疲勞、破損，給橋梁的正常使用埋下了隱患。The twelve kinds of modes and equivalent circuits of this inverter with high frequency link within one high frequency switching period are carefully analyzed ; by using the state - space averaging approach, the inverter ’ s averaging model is presented, and the design criterion of key circuit parameters and the output characteristic curve are given ; the analyses of the system stabilization and the mathematic analyzes of the principle of high - frequency - link of this inverter have also be done. prototypes for 1kva 270v 10 % dc / 115v400hzac uni - polarity phase shifting controlled bi - directional voltage mode inverter with high frequency link is designed
以全橋橋式拓撲為例，論述了雙向電壓源型高頻環節逆變器單極性移相控制的原理、逆變器在一個高頻開關周期內的十二個工作模式及其等效電路;採用狀態空間平均法建立了逆變器平均模型，獲得了這類逆變器的關鍵電路參數的設計準則和外特性曲線;分析了系統穩定性，並對逆變器高頻環節原理進行了數學分析。The twelve kinds of modes and equivalent circuits of voltage mode ac - ac mode ac / ac converters with high frequency link within one high frequency switching period are carefully analyses. by using the state - space averaging approach, the converter ' s averaging model is presented, and the design criterion of key circuit parameters and the output characteristic curve are given
以全橋橋式拓撲為例，論述了單極性移相控制的原理、單極性移相控制電壓源交?交型高頻環節ac ac變換器在一個高頻開關周期內的十二個工作模式及其等效電路。採用狀態空間平均法建立了變換器平均模型，獲得了關鍵電路參數的設計準則和變換器的外特性曲線。On the whole, the author began with the actual state of catamaran research, introduced its structure character, performance, loads and strength calculation. as the most important part the cross - structure was discussed in detail. after presenting the former experience formulae, this thesis deduced a series of concise formulas and checked in three sets of ship data
整體來說，本文從雙體船的研究現狀入手，詳細分析了該船型的結構特點和總體性能，對其所受載荷和總體強度計算做了基本的說明，針對連接橋這一關鍵環節展開詳細討論，在演算法上介紹了前人的經驗公式，分析比較得出更為準確的簡化公式，並結合實船數據進行驗算。The key method has been introduced for designing linux device driver of pci - vme bridge device based on realized by us data acquisition and control system
以一個已實現並投入使用的實際例子介紹了在linux環境下設計實現數據採集系統pci - vme橋接設備驅動程序的關鍵技術。分享友人