steam under pressure 中文意思是什麼

steam under pressure 解釋
加壓蒸氣
  • steam : n 1 蒸汽,水蒸氣,水氣,霧,蒸氣壓力。2 〈口語〉精神,精力,氣力;怒氣。3 輪船,乘輪船旅行。vi 1 ...
  • under : adv 1 在下,從屬著,服從著。 bring under get under keep under 等〈參看各該動詞條〉。 The ship wen...
  • pressure : n 1 壓;按;擠;榨。2 【物理學】壓力,壓強;大氣壓力;電壓。3 精神壓力,政治[經濟、輿論等]壓力。4...
  1. 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
  2. Espresso, a strong coffee brewed by forcing steam under pressure through darkly roasted, powdered coffee beans

    濃咖啡愛斯普利索咖啡,把粉末狀的咖啡豆用蒸汽加壓煮出來的濃咖啡。
  3. In the light of the fact that elastic creep damage happens to heat resistant steel used as pressure elements like steam pipeline and steam pockets in heat - engine plants at high temperature and under high pressure, this article gives a complete constitutive description of the damage, building up the theory of phenomenology about creep damage

    摘要針對火電廠中蒸汽管道與汽包類承壓部件用的耐熱鋼,在承受高溫高壓時發生彈性蠕變損傷問題,給出完整的損傷本構描述,建立起唯象學蠕變損傷理論。
  4. Under high air pressure, a critical problem for the normal discharge is whether enough pre - ionization can be achieved in the laser media or not. however, the cycling pumping oil steam emerging during the flow of the gas mixture and the vapor infiltrating from outside have a strong absorption of the infrared light or a role of counteracting the excitation

    在高氣壓條件下能否正常放電,關鍵問題是主電極間的激光介質能否獲得足夠的預電離;而混合氣流動過程中出現的循環泵油蒸汽,及從外界滲透的水蒸汽等都對紅外光有相當強的吸收作用或消激發作用。
  5. The " green " bricks are then treated in an autoclave under steam pressure forming hydrated calcium silicate bonding the aggregate particles into a strong and durable brick

    然後該綠色磚在一個高壓鍋的蒸汽壓力下進行處理,形成水化硅酸鈣再結合聚合物顆粒的堅固耐用的磚塊多孔磚和加氣
  6. Design of steam injection pipe set for producing deep heavy oil under over critical pressure

    深層稠油超臨界壓力注汽管柱設計
  7. Fabrication of the box beam is divided into such parts as reinforcement, formwork, concreting, prestressing, moving and storing of beam, pipe grouting under pressure, end sealing of the beam, water - proof layer on the bridge surface system, protective coating etc. the paper makes description of effective box beam construction technology and workmanship which can be adopted in other projects, such technologies as : manufacturing and fixing of reinforcement, steel reinforcement fixing baseplate, web plate and top plate respectively and lifting the steel skeleton into form, requirements of design and manufacturing and way of utilization for dismantling - erection type formwork and hydraulic formwork, optimization of concrete ratio, concrete pouring process of two ends of beam in priority over the middle, in sequence of first baseplate followed by web plate and top plate at last, concrete pouring in inclined section and in horizontal layer, concrete vibration mainly by external vibrator in assistance with internal vibrator, methods and regulation for steam curing of concrete, dual controls over stress and strain to ensure quality of prestressing workmanship, construction method of effective beam moving by heavy - weight special moving facility, some regulations and key notes about construction of grouting under pressure, beam ends sealing, water - proof layer on the bridge surface system, protective coating

    箱梁製造由鋼筋工程、模板工程、混凝土工程、預應力工程、移存梁工程、孔道壓漿工程、梁體封端工程、橋面防水層和保護層工程等施工環節組成。文中介紹的採用胎具製作和綁扎鋼筋,分底腹板和頂板分別綁扎並吊裝鋼筋骨架入模;拆裝式和液壓式兩種模板的設計、製作要求和使用方法;綜合考慮、優化混凝土配合比,混凝土灌注從兩端至中間、先底板、后腹板、再頂板的施工順序和斜向分段、腹板水平分層、附著式振搗為主、插入式搗固為輔的施工工藝,蒸汽養護的方法和規定;應力應變雙控制確保預應力施工質量的施工技術;採用重物移運器有效移梁的施工方法;壓漿、封端、橋面防水層和保護層施工的一些規定和注意事項等都是對箱梁製造行之有效的施工技術和施工方法,並可為以後類似施工作借鑒。
  8. For example, the general system loop for a steam autoclave under computer control could consist of temperature / pressure sensors connected to a microprocessor which transmits commands to steam / vacuum control valves

    例如,計算機控制的蒸汽高壓滅菌器的常規系統迴路包括,連接到微處理器的溫度/壓力傳感器,來把命令傳遞給蒸汽/真空控制閥。
  9. Water steam was used as oxidant, and the optimum water steam partial pressure is between 1 10 - 4 and 5. 5 10 - 4 pa. under the optimum growth parameters, a ceo _ 2 seed layer with highly textured degree was successfully prepared. beside the one step process was experimented in this dissertation, the two step process was proposed and studied to further improve the quality of ceo _ 2 seed layer. in the two step process, about 15 nm thick of ce metal layer was deposited on metallic substrate at the first step, then water steam was introduced in the chamber, and the ceo _ 2 thin films were subsequently deposited with reactive sputtering in the

    總結出沉積ceo _ 2薄膜的優化工藝條件,當沉積溫度為720 - 850 、水蒸汽分壓介於1 10 - 4 - 5 . 5 10 - 4pa之間、退火時間40min時,獲得了織構程度良好的ceo _ 2種子層薄膜; 3 .由於一步法制備ceo _ 2種子層中水分壓范圍狹窄,工藝條件難以控制,並且退火延長了薄膜的制備時間,因此,本論文又採用了兩步生長法沉積ceo _ 2種子層,即:先在ni - w基帶上沉積一層約15nm的金屬ce薄膜,再通入氧化氣氛(水蒸汽) ,繼續進行薄膜沉積。
  10. The condensing length increases with the boiler heating power and air content increasing, while it decreases with the system pressure increasing. under the normal pressure, the wall temperature and the centerline temperature along the condensing length nearly remain constant for pure steam, while they decrease continuously for steam / air mixture. however, when the steam condenses over, the temperatures drops rapidly

    常壓下,純凈蒸汽冷凝時,有效冷凝段管壁壁溫基本保持不變,但是當蒸汽冷凝完畢進入過冷水階段后,管壁壁溫會急劇下降;蒸汽中含有空氣時,冷凝管中心溫度變化不大,但管壁壁溫始終呈下降趨勢。
  11. The traditional level measuring methods can n ' t meet our demand because the subjective investigated is in such a poor systemic condition that the temperature is a little high and there ' s so many mill dust and steam there. in this article we perform systemic discuss and research against the dynamic level measuring method under special working condition on the basis of analyzing kinds of level measuring technique in and abroad. first we establish the pressure distribution mathematic model in storage bin and then deduce the mathematic relation between level height and the uniform stress on the bottom of the bin and designed a resistance compressive stress sensor used for the special condition and put forward a resoivement according to its zero excursion existing in practical use

    由於本研究系統被測對象環境溫度較高且潮濕,同時料倉中有大量粉塵及蒸汽,因此傳統的料位檢測方法不能滿足本測試要求。本文在分析國內外各種物位檢測技術的基礎上,針對特殊工況下動態物料高度的檢測進行了系統的探討與研究。首先建立了料倉中的壓力分佈數學模型,推導出料位高度與倉底均布壓力間的數學關系式,並據此設計了中溫電阻應變式壓力傳感器,同時對它在實際應用中存在的零點漂移等問題提出了改進措施,提高了傳感器性能,解決了上述特殊工況下動態物料檢測的技術難題。
  12. This software are compiled in vc + + computer language. the main function of the application is to calculate the load limitation of an air - cooling steam turbine - generator set under distinct flux of cooling water, environmental temperature and environmental wind speed, and the back pressure safeguard curve of the target steam turbine are considered

    應用軟體以vc + +為開發平臺,考慮了特定汽輪機組的背壓保護曲線,通過計算空冷系統的熱力特性,實時給出當前環境溫度和環境風速以及循環水流量下機組的上限負荷,從而指導機組的運行。
  13. With the developments of modern steam turbines, which work under conditions of high pressure and elevated - temperature, especially atomic power stations are designed and made, the reliability and safety are strict with the stucture

    隨著汽輪機向高溫、高壓和大容量化發展,特別是原子能電站的設計和製造,對結構的可靠性提出更高的要求。
  14. Dr low - grade hot regeneration absorbing type desiccator, comprehensive varyimg voltage absorb and become the warm advantage that absorb, absorb under the high steam partial pressure of the normal atmospheric temperature ( work ) ; in high temperature, low steam partial pressure is it analyze to lay ( regeneration ), namely moisture that absorbent absorbed in the course of absorbing, rely on high - quality getting angry between thermal diffusion and low partial pressure two mechanism common to act on and can drive out completely in the course of regeneration

    Dr微熱再生吸附式乾燥機,綜合變壓吸附和變溫吸附之優點,在常溫高蒸汽分壓下吸附(工作) ;在較高溫度,低蒸汽分壓下解析(再生) ,即吸附劑在吸附過程中吸附的水分,在再生過程中依靠高品質再生氣(乾燥空氣加熱)的熱擴散和低分壓兩種機理的共同作用而得以徹底清除。
  15. A quantitative evaluation for excess pore pressure and wellbore stress around a cased well under steam injection

    熱采過程中地層超孔隙壓力與井眼應力的定量評價
  16. The old control system mainly using - and - now ca n ' t meet the high and complicated requirements of modern ship to control its boiler. it is imperative under the situation to use computer for ship control area. and the remarkable plc used currently by industry process control area is the most reliable, simple and convention way to realize computer control on board modern ship. the paper introduce simply the basic principle of plc and the characteristic of simens plc s5 - 115u and a typical boiler system of huge oil tank. on this base, the paper pay more attention to making control programme of s5 - 115u for huge marine fuel oil boiler. and pid control method is singly adopted for water level control and steam pressure control of the fuel oil boiler

    以繼電? ?接觸器為主的老一代控制系統已不能滿足現代船舶對其鍋爐控制的越來越高、越來越復雜的要求,這一領域的計算機化已勢由必行,而應用在當前工業過程式控制制領域中引入注目的可編程序控制器( plc )又是使其計算機化的最簡便和可靠途徑。本文主要介紹可編程序控制器( plc )的基本工作原理、德國西門子可編程序控制器s5 - 115u和大型油輪鍋爐的典型系統,在此基礎上對用西門子s5 - 115u控制大型船舶燃油鍋爐進行了編程。
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