tube pre 中文意思是什麼

Pre - data gathering module achieves the collection and communication of sixteen - route temperature signal. speed measuring and controlling module realizes the control of refolw soldering transfer speed by manipulating transducer. on - off outputting module fulfills calefaction control of calefaction tube by solid state relay. above position operator software programs by delphi, and realizes pid parameter automatic timing and no - oversnooting temperature control. software has friendly interface, convenient operation, complete functions

前置數據採集模塊完成16路溫度信號的採集和通訊；速度測量模塊與速度控制模塊通過控制變頻器來調節迴流焊的傳輸速度；開關量輸出模塊通過固態繼電器對加熱管進行控制；上位機軟體採用delphi編程，實現了pid參數自整定以及無超調的溫度控制。

Submarine - launched harpoons are pre - loaded into a capsule and launched from a torpedo tube. the capsule rises to the surface and launches the missile

潛水艇把發射的魚叉預先放入膠囊，從魚雷發射管射出，膠囊上升到表面，發射。

It is suitable to be used as the medium to filter the high purity and strong corrosive gas or liquid, the air plug of battery, gasket, seals for medium / low pressure, the waveguide tube pre - heater for boiler, the sealing wash, the cover of big - powered micro - wave antenna, and radar antenna of twt etc

適用於過濾、高純度、強腐蝕性的氣體液體介質、蓄電池上作氣塞、襯墊、中低壓密封元件、鍋爐波管預熱器、密封圈和軍用微波大功率天線罩，以及行饋網路雷達天線等。

New developments in decision theory, artificial theory and dynamic analysis method are applied to evaluation the possible projects. the main contents in this paper are included as follows : first, has improved an format reasoning method based on multiple attribute utility model and knowledgebase theory ; second, has proposed complex utility model by improving the theory of multiple attribute utility ; third, has presented a kind of weapon intelligent decision support system, based on the complex utility model and developed with com / dcom criterion ; forth, this paper also has build the dynamic simulation model for long - rang multiple tube rocket launcher system, and the tire dynamic model has applied in the rocket launcher system dynamic simulation model ; fifth, through building the rocket - launcher contact model, this paper has analyzed the dynamic forces between the rocket and launcher ; finally, this paper has build the evaluation model of the project about improving existing rocket launcher to the launcher that using canister, and get the conclusion through using the widss. the studies in this paper not only proposed scientific warrant to the choice of projects in this pre - studied national defense task about improving existing rocket launcher to the launcher that using canister, but also can give other studied tasks with decision supported

主要內容包括：在總結決策分析與專家系統規則庫技術的基礎上，提出了融決策分析與專家系統規則庫技術於一體的形式化推理機制，該機制能有效的將定量計算和定性知識融為一體，將規范的決策分析解題過程與專家系統特有的演化推理方法有機結合起來；在多屬性效用理論的基礎上，建立了一般形式的復式效用模型，並實用化了全相關乘式效用模型，提供了較完善的通用建模、分析和解釋功能：引入了com dcom組件技術，開發了基於組件的widss系統，該系統基於形式化推理機制，易於擴展，能夠面向多種決策問題，具有較強的通用性；建立了遠程多管火箭炮全炮動力學模擬模型，將充氣輪胎動力學模型、輪胎和路面的相互作用模型運用於多管火箭炮動力學模擬計算中；利用碰撞接觸理論，對火箭彈在定向器管內的運動受力情況進行了模擬計算；建立了遠程多管火箭炮箱式發射改進方案模型，並利用動力學模擬計算結果在widss系統中進行了方案性能評估。

Based on the theoretical model, effects of influence of slenderness ratio, the changing steel ratio, strength of the steel and the concrete, load eccentricity ratio as well as pre - stress coefficient on the bearing capacity of the members considering influence of pre - stress in steel tube was discussed

分析了長細比、截面含鋼率、鋼材屈服強度、混凝土強度、荷載偏心率和初應力系數等因素的影響； 4提出了考慮鋼管初應力影響時鋼管混凝土構件承載力實用驗算公式。

Simulation of polyurethane pre - compressing seal deformation process in high - pressure tube - testing press with finite element method

高壓水壓試管機軸向預壓緊密封變形過程有限元模擬

So, the actual state of concrete filled steel tube on load is always that there is pre - stress in steel tube. these members are susceptible to the effects of pre - stress in the steel tube due to construction load

因此，就出現了在鋼管和混凝土共同受荷前，空鋼管就預先承受縱向壓力（包括自重、施工荷載等） ，在鋼管中產生了初應力。

Analysis of influence of steel tube pre - reinforced construction on tunnel rock deformation

鋼管預加固措施對隧洞圍巖變形的影響分析

Sk - 301 integrated tube and transistor karaoke processing amplifier tube & double microphone pre - amplifier, and the timbre is interesting to listen to

極富創意的電子管雙話筒前置放大，能極大地表現到演唱者聲音的每個細節，音色圓渾動聽。

A mechanics model for the load - deformation relationship curves considered pre - stress in the steel tube of the cfst columns and beam - columns was established

建立了考慮鋼管初應力影響時鋼管混凝土構件荷載-變形全過程關系曲線的數值分析模型； 2