secondary loop 中文意思是什麼
secondary loop
解釋
二次迴路-
Being a method of time - domain electrical magnetic surveying, the transient electromagnetic method ( tem ) can transmit first pulse electromagnetic field to underground making use of loop or electrical source and receive secondary induction field during of the pulse intermission
瞬變電磁法是一種時間域電磁測量方法，是利用不接地回線或接地線源向地下發送一次脈沖磁場，在一次脈沖磁場的間歇期間，採用不接地線圈接收感應二次磁場。 -
Presents the steady - state programming with constant coolant average temperature and constant live steam pressure, an ideal programming for marine nuclear power plant ( npp ), under which, both the coolant average temperature and the live steam pressure of nuclear steam supply system ( nsss ) are constant when the steady state operating condition is varied, and points out that in comparison with the steadysate programming with constant coolant average temperature, the ideal programming can improve the overall operating performance of npp effectively, especially in low - load range, for instance, raise the heat efficiency of npp, decrease the operating noise of main coolant pump, and improve the conditions of design, operation and control of the secondary loop system
雙恆定運行方案是船用壓水堆核動力裝置的理想運行方案.在這種運行方案下，當裝置穩態功率變化時，冷卻劑平均溫度與蒸汽壓都保持不變，與通常採用的冷卻劑平均溫度恆定運行方案相比，有效地改善了核動力裝置的總體運行性能，特別是在低負荷運行時，可以提高裝置經濟性、降低主泵運行噪聲、改善二迴路系統的設計、運行和控制條件，這對于提高船用核動力裝置的運行可靠性和安全性具有實際意義 -
Through tunnel model test, the action law of external water load on secondary lining with a grouting loop is obtained
根據隧道模型試驗理論，通過室內模型試驗得出了有注漿堵水圈的隧道襯砌結構外水荷載的作用規律。 -
Because the pt secondary loop voltage drop directly affects the accuracy of the electric energy measurement. after consulting a great amount of materials, the best method to reduce the pt secondary loop voltage drop was put forward based on analyzing the cause of which
由於電壓互感器二次迴路壓降直接影響電能量計量的準確性，嚴重時會危及電力系統的穩定運行，因此本文從分析電壓互感器二次壓降的形成機理入手，並提出最為合理的二次壓降治理方案。 -
When f is about fr, for curved pipes, the secondary flow appears eight vortexes for annular cross section and four for circular and four or six for elliptical ; for helical pipe, the secondary flow appears as a loop flow for annular and circular cross section, and a saddle flow for elliptical cross section
當f在fr左右時，對于彎管，環形截面上存在八個渦，圓截面上存在四個渦，橢圓截面上存在四個或六個渦；對于螺旋管，圓截面和環形截面上二次流表現為環流，橢圓截面上表現為鞍流。 -
The pt secondary loop voltage drop is a changing amount and has the characteristics of indirection and certain randomness. the second, according to the cause of pt secondary loop voltage drop, the different methods to reduce the pt secondary loop voltage drop were analyzed and the conclusions are draw as below : 1. changing bigger section wire and maintaining the connector plugs regularly can reduce the pt secondary loop voltage drop effectively, but ca n ' t guarantee which meets the relevant rules
首先，通過對電壓互感器二次壓降的形成機理進行分析，得出以下關於二次壓降的相關結論： 1 、電壓互感器二次壓降等於二次迴路阻抗和迴路電流的乘積； 2 、電壓互感器二次迴路阻抗分為元器件自身阻抗和接觸阻抗兩部分，且接觸阻抗佔主要部分，從而使得電壓互感器二次迴路阻抗具有動態特性，而且具有一定的隨機性； 3 、電壓互感器二次迴路電流與二次負荷和迴路阻抗大小相關，因而二次迴路電流也是變化的； 4 、電壓互感器二次壓降是一個變化量，且具有單向性和一定的隨機性。 -
Meanwhile, base composition in rrna genes, the secondary structrues of trna and the potential stem - loop structure in the noncoding region were also analysesed in the present study
同時分析了d1na基因的堿基組成、 trna的二級結構、非編碼區潛在的莖環結構。 -
Based on continuous porous medium seepage model, it is assumed that if waterproofing board of complex lining is perfect, the secondary lining is leakproof, thus the formula of external water load on secondary lining with a grouting loop is deduced
以連續孔隙介質滲流模型為基礎，假定復合襯砌中防水板施工完好二次襯砌是封閉阻水情況，推導出了有注漿堵水圈的隧道襯砌結構外水荷載計算公式。 -
In normal operation, the loop with max. temperature will be shown, but users can sight temperature on any loop through keystrokes on panels. due to adopt 2 - wired international standard signal it possible to communicate with pc or secondary instrument and have strong anti - jamming performance
三迴路數字顯示控制儀可同時輸入三路同一種輸入類型的信號，由三個數碼屏分別顯示，儀表可帶rs485或rs232通訊介面，或三個繼電器分別對應三路輸入信號的報警輸出
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