索下柱 的英文怎麼說
中文拼音 [suǒxiàzhù]
索下柱
英文
hypochordal rod-
In the north, there are inscriptions dating from the early centuries b. c. in the brahmi script, also used by the king ashoka in his famous prakrit pillar inscriptions
在北部，還有公元前數個世紀留下的婆羅米語手稿裏面的題字，也由阿索卡國王留下的著名古印度語題字的柱子。On the basis of analyzing the working circumstance and prosperity of downhole drilling string of the surface dynamic rotating drilling vertical well, the force prosperity and failure forms of downhole drilling string are focused on. and further research has been done on the vibration damage of downhole drilling string as well as the construction and work prosperity of vibrating - proof hydraulic shocker absorber
本文在對地面動力旋轉鉆井直井井下鉆柱的工作環境和特性加以分析的基礎上，著重對鉆柱在井下的受力特性以及損壞形式進行了分析，並對鉆柱在井下的振動危害以及用於防止振動的水力加壓減震器的結構、工作特性等一些規律進行了深入的探索和研究。Abstract : it is observed that the sommerfeld ' s formula for a progressive spherical wave is not covariant with respectro the rotation of the coordinate system. it contains complex partial waves that are not physical. the standing wave representation of the same formula is shown to be covariant and physical. it is applied to solve the boundary value problem of fiber optics. the radiation modes as well as the guided normal modes are obtained in closed forms. the intensity distribution in various modes is obtained. it is remarked that the mode of critical refraction is missing
文摘:說明了球面行波的索末菲公式在坐標轉動下不協變.證明了球面波的駐波表示是協變的，因而是一個物理的關系式，故適用於圓柱坐標中各類波動方程的定解問題.作為一個例，應用於光纖光學，導出了受導簡正模和輻射模的表達式，以及各模式的強度分佈This mast held an iron stay upon which to hoist a jib - sail. behind, a sort of rudder served to guide the vehicle
這條桅桿下面由幾條鐵索結結實實地綁著，上面有條鐵支柱，用來支撐這面巨大的布帆。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When the boat past the harbor used ropes to trap the pier so that the pole to stop and let the shore of embarkation
當船駛過海港時用繩索套住碼頭上的柱子使船停下來，讓岸上的人上船。The paper presented a large annular cantilever beam string stadium roof structure using the theory of beam string structure. the stadium roof structure is a novel structure that is reasonable in bearing force by using the character of the tendon and beam fully. the struts in the structure avoided enduring big moment, moreover the pre - stress upper chord tendon and the annular beam work together to resist upward and downward load, as embody the structure ' s artifice and wonderful space mechanical property
本文利用張弦梁原理，給出了一種大型環狀懸臂型張弦梁挑蓬結構，該種體育場挑蓬結構新穎，充分利用了拉索和立體桁架受力的特點，使得結構受力更加合理，避免了柱子承受較大的彎矩，上弦索的預張力和圈樑使結構共同作用抵抗上下荷載，更體現了結構的巧妙和良好的空間受力性能。Abstract : a semi - analytical method is used to modelling the pract ical 3 - zone simulated moving bed chromatography ( smbc ) process for optimal searc hing. the switch time which is the most important operation parameter of 3 - zone smbc is analyzed based on the nonlinear batch chromatography theory firstly, and then adjusted by the deviation between the output and the expectation. the switch time approaches the optimization very soon by continously searching on the basi s of the theory. the parameters of the practical system are inputted into simulat ion, the result is used in our experiment and a good separation is obtained
文摘:針對三帶模擬移動床色譜的實際模型，用一種融合了前饋與反饋的半解析優化計算方法對三帶模擬移動床色譜過程進行了模擬.首先，由非線性單柱色譜理論解析地給出一個三帶模擬移動床色譜的主要操作參數即切換時間值，然後利用所得結果與目標量之間的偏差來校正切換時間，在理論指導下進行優化搜索，切換時間能很快達到最佳值.將測得的系統參數引入計算，並將計算結果用於實際操作，得到了很好的分離效果This are widely used in the following applications, construction sites, laying of large pipes ; installations and adjustments of machinery and electric apparatus ; installing and erecting of masts or other structures ; loading and unloading heavy and bulky goods ; tensioning cables ; heaping of forest products ; obstacles removing
它被廣泛應用於下面的領域：建築基地，躺著的大管子，機械和電動設備的調節裝置；安裝和豎起柱子或其它建築物，裝卸又重又笨的貨物，拉緊粗索；堆積林木，阻止移動等。In 1986, francoise schein, a belgian artist, created " subway map floating on a new york sidewalk ", an 87ft - long work consisting of concrete rods embedded in the sidewalk, depicting the city ' s underground rail network
1986年，比利時藝術家弗朗索瓦?沙因創作了一個長達87英尺、由鑲嵌在人行道上的混凝土柱組成的作品? ? 「漂浮在紐約人行道上的地鐵地圖」 ，將該市的地下鐵路網描繪了出來。Cranes ; bottom blocks ; type a rope pulleys with cylindrical rolling bearing and internal sleeve
起重機.下滑車.帶圓柱形滾動軸承和內套筒的a型繩索輪Then i took the pieces of cable which i had cut in the ship, and i laid them in rows one upon another, within the circle, between these two rows of stakes, up to the top, placing other stakes in the in - side, leaning against them, about two foot and a half high, like a spurr to a post, and this fence was so strong, that neither man or beast could get into it or over it : this cost me a great deal of time and labour, especially to cut the piles in the woods, bring them to the place, and drive them into the earth
然後，我用從船上截下來的那些纜索，沿著半圓形，一層一層地堆放在兩排木樁之間，一直堆到頂上，再用一些兩英尺半高的木樁插進去支撐住纜索，彷彿柱子上的橫茶。這個籬笆十分結實牢固，不管是人還是野獸，都無法沖進來或攀越籬笆爬進來。這項工程，花了我不少時間和勞力，尤其是我得從樹林里砍下粗枝做木樁，再運到草地上，又一一把它們打入泥土，這工作尤其費力費時。The further clear current outstanding problem is the automobile logistics to go together with to send is not to lack the market need, also is not supply the ability shortage, but management and operation method still more traditional, the organized form fall behind, lack a set of can transfer rise supply and demand both parties aggressive, master the whole logistics network, carry out the resources valid integration of go together with and send mode
汽車產業是吉林省的支柱產業，汽車產業的發展拉動了汽車物流的迅速發展，而汽車物流的發展又有利於提高汽車產業的競爭優勢。當前，降低生產流通成本是汽車生產企業面臨的重大課題。共同配送是經長期發展和探索優化出的一種追求合理化的配送形式，其內涵在於資源共享理念下建立企業聯盟。Cranes ; bottom blocks ; sealing covers for type a rope pulleys with cylindrical rolling bearing and internal sleeve
起重機.下滑車.帶圓柱形滾動軸承和內套筒的a型繩索輪Cranes ; bottom blocks ; internal sleeves and spacer sleeves for type a rope pulleys with cylindrical rolling bearing and internal sleeve
起重機.下滑車.帶圓柱形滾動軸承和內套筒的a型繩索輪Through analysis in theory and calculation on real cable - stayed bridges, following conclusions have been reached : 1 ) methods of modeling cable - stayed bridges for nonlinear finite element analysis are reasonable and effective and truss and beam element has enough accuracy
通過理論分析和實例計算，本文得出了以下結論： 1 ）本文在桿單元中用等效彈性模量來考慮斜拉索的垂度，考慮梁和塔中的梁、柱效應以及修正幾何剛度矩陣是合理的、有效的。分享友人