端頭對接 的英文怎麼說
中文拼音 [duāntóuduìjiē]
端頭對接
英文
end butt joint-
As one kind of key equipment in piping work of large - scale turbo - generator set in power plant, the machine is especially applicable to various welding bevels, flat end and angle of outer & inner diameter of ascending pipe, elbow pipe, bend, flange and etc., which greatly meets demands in pipe processing of construction site and manufacturers
本機床是電站大型汽輪發電機組的管道施工的關鍵設備，對直管、彎管、彎頭、法蘭等管體的各種型式焊接坡口，端平面，內外徑過緩斜度及直口，能滿足施工現場和製造廠家對各種管件的加工要求。The main popular theoretical method adopted to study end - plate connection is finite element technique under monotonic loading at present. this paper applies nonlinear ( material, geometry and contact ) finite element method to analyze the behaviors of connections under cyclic load at fist time. contact elements are set between end plate and column flange, screw cap and neighborhood plane, bolt bar and hole
對于端板連接的理論分析，目前國內外的研究主要局限在單向加載有限元分析范疇，本文首次採用三維非線性（包括材料、幾何與狀態非線性）有限元對端板連接進行了循環加載分析，端板與柱翼緣間、螺栓頭（帽）與相鄰板件間、螺栓桿與孔壁間都設置了反映邊界狀態的接觸單元。The following conclusions are gained : ( 1 ) the located shear band prongs the ligament near the top crack tip and the structure may occur shear - mode fracture at the angle of 155 ? to crack when load is 87. 92mpa ; the mode of fracture of the flange joint structure is not possible to be void - mode ; ( 2 ) it is proved that loading and then unloading repeatedly can not increase the possibility of invalidation of the structure when the times of loading and unloading are not too more when load is operating pressure ; the structure is safe when the vessel is operating ; ( 3 ) in the fe model of the thesis, not considering the influence of water pressure test which is in the process of fabrication of vessel in fe results in larger deviation in analysi
得出了以下結論：在8792mpa的載荷下筒體一封頭連接結構處的集中剪切帶貫穿韌帶，可能發生沿與原裂紋線成155 「角方向剪切型斷裂；筒體一封頭連接結構不可能發生韌窩型斷裂； （ 2 ）在工作壓力下進行次數不多的反復加、卸載，結構不會破壞，也不會喪失安定性：結構在工作狀態下是安全的； m在本文的彈塑性有限元模擬計算中，對于裂紋尖端進行力學分析時，不考慮壓力容器製造過程中水壓試驗的影響，將導致計算結果出現較大的偏差； （ 4 ）筒體完全屈服時的載荷為92石3mpa ，封頭完全屈服時載荷為86Straight thread connector for butt joints - assembly
卡套式端對接直通管接頭After the length of the gap increasing to a certain value the load bearing ability and actual shear strength intends to decrease
研究中還發現間隙所處的位置對接頭的抗剪強度有較大的影響，膠層端部預留間隙使接頭的承載能力和實際強度均顯著下降。Travel time is the key point of system, its measure quality decides the survey precision of the stress. time to digital convertor ( tdc ) was applied to accomplish the precision time interval measurement. at the same time, one transmitter - two receivers probe arrangement and zero - crossing detecting method were also applied to reduce the errors in measurement
傳播聲時是整個測量系統中的關鍵量，其測量水平決定應力的測量精度，對此本文採用時間-數字轉換器（ timetodigitalconvertor ， tdc ）完成高精度時間間隔測量，在實現過程中又分別採用「單端發射-雙端接收」的探頭布局模式和「過零檢測」手段來降低系統檢測誤差。Straight thread connector for butt joints - body
卡套式端對接直通接頭體Firstly, the major ampullate glands were got from araneus ventricousus. total rna and mrna of ampullate glands were isolated and purified. double strands cdnas were synthesized in the assistance of amv - rt and e. coli dna polymerase i etc. by reverse transcription and replacement synthesis
首先剝離大腹園蛛主壺腹腺，提取總rna和分離純化mrna ，反轉錄合成cdna ，凝膠層析除去小於400bp片段，並在雙鏈cdna兩端引入ecor的銜接頭，對其進行磷酸化處理。2 ) basis of upon studies, we have also designed and sythesized the mutation ii of the cmiv that been greatly changed in the 3 " of the gene comparing with nature cmiv : the ht gf3 ( the third loop region of htgf2 specifically binding to egfr receptor ) was fused to 3 " of gene of cmiv through a flexible linker. the gene of the mutation ii of cmiv was sequenced and clonged to the vector of ptxfus to fuse to the 3 " of gene of thioredoxin
二、在以上研究的基礎上，對cmiv抗菌肽的c端進行較大的改造，即將與腫瘤細胞過度表達的表皮生長因子受體（ egfr ）具有高親和性的因子多肽tgf _ 3通過疏水柔性接頭連接在抗菌肽cmiv的c端，設計完整的基因，並在大腸桿菌中利用ptxfus表達載體與硫氧還蛋白進行可溶性融合蛋白表達。In the second chapter, a wideband mimo channel model with multiple - tap was integrated according to the angle of departure of the transmitting signal and its spread angle, the angle of arrival of the receiving signal and its spread angle, power azimuth spectra, doppler spectrum and the geometric construction of antenna array both sides of transmit and receive, on the basis of full research on the theories of space - time channel model proposed in the recent literature
第二章在對最近文獻中提出的一些空時通道模型理論進行詳細研究的基礎上，根據發射信號的離開角及其擴展角、接收信號的到達角及其擴展角、功率方位譜、多普勒譜和收發兩端天線的拓撲結構，綜合了一個多抽頭的寬帶mimo通道模型。Straight thread elbow for butt joints - body
卡套式端對接直角接頭體Construction and expression of tandem multi - copy gene edcoding ca ( 1 - 8 ) me ( 1 - 10 ) hybrid fused acidic peptide to improve antimicrobial peptide ' s expression, a novel mass - production method is proposed. it is based on the neutralization of the positive charges of antimicrobial peptide by fusing to an acidic peptide to avoid the lethal effect of the expressed peptide on the host cells
為提高抗菌肽的表達，設計在抗菌肽基因的n端融合一段編碼酸性短肽的片段作為對抗菌肽前體的模擬，以減輕表達產物對宿主的毒性；同時通過含有酶切位點的接頭將該融合肽基因以同向串連的方式連接成多拷貝基因。Clamp type end fitting
對殼式軟管終端接頭Connections for general use and fluid power - ports and stud ends with iso 261 threads with elastomeric or metal - to - metal sealing - part 2 : stud ends with elastomeric sealing type e
流體動力用和通用連接件.帶iso 261螺紋，帶有彈性體或金屬對金屬密封件的埠和螺柱斷頭.第2部分:帶彈性密封的螺柱端頭B connections for general use and fluid power - ports and stud ends with thread - stud ends with metal - to - metal sealing type b
液壓管接頭用螺紋油口和柱端金屬對金屬密封柱端The design of network video collecting system proposed in this thesis is based on embedded hardware developing platform with motorola mcf5272 chipset as center chipset, and uclinux as embedded system as software developing platform. after collecting video data through a usb camera, the system compresses the data in jpeg picture format and mpeg - 4 video format. then with the embedded web server and streaming server, it establishes connection with client in c / s mode, which enables the client to view the video through browser or normal media player remotely
本設計所提出的網路視頻採集系統的設計是在以motorola的mcf5272晶元為主晶元的嵌入式硬體開發平臺配以uclinux作為嵌入操作系統的軟體開發環境下，通過一個usb介面的攝像頭輸入原始的視頻數據，在嵌入式板上分別採用了jpeg圖像格式壓縮和mpeg - 4視頻格式壓縮對原始的視頻數據進行處理，最後通過內置的web服務器和流式媒體服務器，採用c / s的方式與客戶端建立連接，使客戶端在只要能上網的地方就能通過瀏覽器或是普通的mediaplayer播放器觀看到服務器端採集到的影像，具有十分廣泛的應用前景。Straight thread elbow for butt joints - assembly
卡套式端對接直角管接頭That ' s right. and there are some requirements for the cable laying. moreover, all cable ends must be fitted with connectors
說得對。而且對電纜鋪設還有些要求。電纜端部要配接頭。分享友人