air pumping 中文意思是什麼
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When ejectors are used for pumping this air, attention must be given to minimizing thrust losses.
當採用引射器來抽引冷卻空氣時，必須注意減少推力損失。 -
The characteristics of high pressure gyratory sprayed pumping discusses is presented, which is applicable in wide range of scope and ground layers, convenient for construction, long durability, wide source of materials. mechanism for subgrade strengthening : complex foundation of cement solid and earth between piles was formed by pulsant load of flowing pressure and spraying flow, water wallop, cavitation phenomenon, water wedge effect, extrusion force and air flow agitation etc so as to enhance foundation bearing force and reduce settlement and deformation
高壓旋噴注漿技術具有適用范圍、適用地層較廣，施工方便，耐久性好，材料廣闊等特點；其加固地基機理主要是通過流動壓、噴射流的脈動負荷、水塊的沖擊力、空穴現象、水楔效應、擠壓力、氣流攪動等效應形成水泥固結體與樁間土的復合地基，從而提高地基承載力，減少沉降變形。 -
In the light of the problems of the air balance system of model lcj1250 chain drive pumping unit, it is proposed to change the air balance with counterweight balance, and three criteria for the modification is put forward : ( 1 ) ensuring the reliability of the unit with smooth operation, low noise and long life ; ( 2 ) cutting down the production cost and using less component parts as possible ; ( 3 ) carrying out modification without such main technical parameters as stroke, pumping speed and maximum polished rod load
針對lcj1250氣平衡式鏈條抽油機存在氣平衡故障率高和現場維修困難等問題，提出將氣平衡改造成工作可靠的重力平衡的方案，並確定了改造的三個原則：一是保證整機的可靠性，使抽油機運轉平穩，振動噪音小，壽命長；二是力求降低生產成本，減少零部件製造，盡可能選用原來的通用件，捨去平衡缸和空氣包等氣平衡附件，在原往返架主體上懸掛一個配重箱；三是力求不改變沖程、沖次及最大懸點載荷等主要技術參數。 -
Abstract : in the light of the problems of the air balance system of model lcj1250 chain drive pumping unit, it is proposed to change the air balance with counterweight balance, and three criteria for the modification is put forward : ( 1 ) ensuring the reliability of the unit with smooth operation, low noise and long life ; ( 2 ) cutting down the production cost and using less component parts as possible ; ( 3 ) carrying out modification without such main technical parameters as stroke, pumping speed and maximum polished rod load
文摘:針對lcj1250氣平衡式鏈條抽油機存在氣平衡故障率高和現場維修困難等問題，提出將氣平衡改造成工作可靠的重力平衡的方案，並確定了改造的三個原則：一是保證整機的可靠性，使抽油機運轉平穩，振動噪音小，壽命長；二是力求降低生產成本，減少零部件製造，盡可能選用原來的通用件，捨去平衡缸和空氣包等氣平衡附件，在原往返架主體上懸掛一個配重箱；三是力求不改變沖程、沖次及最大懸點載荷等主要技術參數。 -
Through analyzing the structure of open caisson, and according to sinking stress principle, the paper introduced in the open caisson construction process sinking, correcting error, survey control as well as peculiar circumstance processing technical measure, such as in open caisson construction the inner - mold for sanding, framework supporting and steel binding, and concrete casting ; in open caisson sinking - control the sand in edge foot inner - mold, sand - pumping sinking, and pressure hydraulic monitor breaking and pressure - blowing sinking by air pressure blower etc
摘要根據下沉受力原理，分析了沉井結構，介紹了沉井施工過程中的下沉、糾偏、測量控制以及特殊情況處理的技術措施，如沉井製作中的填沙內模，模板支設和鋼筋綁扎，混凝土澆注；沉井下沉控制中的刃腳內模沙土，抽沙泵抽沙下沉，高壓水槍破壓、空壓機吹壓下沉等。 -
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。 -
In charge of one of major subjects of the national eighth five - year plan, i. e. " study on shotcreting techniques of polyacrylate emulsion cement mortar for impermeability coating of pu ding rcc dam ", the achievement of which has been appraised by the ministry of electric power and evaluated as reaching national leading level. 2. in charge of the major subject aided by the committee of national natural science funds, " study on durability of high bolumes of fly ash concrete ", the first phase achievement of which has been commended by the committee. 3. in charge of one of major subjects of the national ninth five - year plan, i. e. " study on high performance concrete in marine engineering, design and construction ". 4. acting as one of editors - in - chief of " technical specification for abrasion and cavities resistance of concrete in hydraulic structures ", which is issued by the ministry of water resources. 5. by providing the repairing and strengthening schemes on seepage and cracks of the basement of nanjing lukou international airport, the air traffic opening of the airport was ensured as scheduled. 6. consulting services on techniques of high performance and abrasion - erosion resistance concrete for three - gorges project, anti - corrosion of reinforced concrete strutures for the ore port of shanghai baoshan iron and steel works, mass fly ash concrete for jiangyin yangtze river bridge and pumping concrete for nanjing yangtze river second bridge
主持國家「八五」攻關項目「普定碾壓混凝土壩上游面丙乳砂漿防滲層大面積施工工藝研究」 ，成果通過部級鑒定，評價屬國內領先水平； 2 .主持國家自然科學基金重大項目「高摻量粉煤灰混凝土的長期性能研究「 ，階段成果獲國家自然科學基金委通報表彰與獎勵； 3 .主持國家「九五」攻關項目「海工高性能混凝土成套技術研究」 ； 4 .水利部「水工混凝土抗沖磨防空蝕技術規范」的主編之一； 5 .為南京祿口國際機場地下室修漏與裂縫補提出技術方案被采納並實施，為機場如期通航作出貢獻； 6 .為三峽工程抗沖磨高性能混凝土技術、上海寶鋼礦石碼頭鋼筋混凝土防腐蝕技術、江陰長江大橋大體積粉煤灰混凝土技術、南京長江二橋泵送混凝土技術等提供咨詢建議。 -
2x series rotary vacuum pumps is a basic equip - ment used for pumping air from sealedvessels to attain vacuum condition
2x系列旋片式真空泵是用來對密封容器抽除氣體而獲得真空的基本設備。 -
One side, groovy cast steel flap valves increase the head loss, waste electricity, the other side, when flap valves close, it always delay time because of it ' s low proportion. the bump load seriously threaten the safety of pumping station. through the research and development of flap valve used in the renovation practices in the design of air - filled floating flap valve in no. 1 chuhe pumping station of anhui province, the working characteristics and design methods of air - filled floating flap valve are studied in this paper
但在拍門運行使用的同時，又時常暴露出一些缺陷，主要有：一是常規的鑄鐵或鑄鋼拍門加大了流道的水頭損失，特別是對于裝機容量較大的排澇泵站，其電能損耗相當可觀；二是拍門在自重下下落關閉時，往往由於過多考慮水頭損失導致浮重過小而延誤閉門時間，致使水體倒灌，再因緩沖裝置失靈導致閉門時門體對門框撞擊力很大，嚴重危及站身安全。 -
Vacuum packer can complete the whole process of pumping air into vacuum state, sealing, lettering, cooling and exhaust in terms of the process, but just need to press the vacuum cover
真空包裝機只需按下真空蓋即自動按程序完成抽真空、封口、印字、冷卻、排氣的全過程。 -
The seawater pumping stations extract seawater for the water - cooled air conditioning systems used by various buildings in central and wan chai
-海水抽水站抽取海水供中環及灣仔區內多幢樓宇的水冷式空調系統使用。 -
Hello, pumping finish, i will blow out with air
喂，泵油結束了，我用空氣吹除。 -
This means that the air vessels are always charged to an optimum degree and that pulsations are reduced to a negligible level ( even with single - acting pumping systems ), which plays an important role in preventing the delivery valves and the gearbox from shocks and prolonging their service life
這表明空氣槽總是被充氣至最佳程度，而脈沖被減少到可以忽略的地步（單作用泵系統亦然） ，這對于保護進出口閥和齒輪箱免受沖擊，延長它們的使用壽命起著重要的作用。 -
The cause of vacuum degree formation under groundwater table is discussed in the paper. the testing results show that vacuum degree above the groundwater table is produced directly by pumping air, and that vacuum degree below groundwater table is produced mainly by dewatering and by escaping of sealed air from the end of flexible pipe. based on the bernoulli equation, the limit lowering of groundwater table is analyzed, which is about 5 ~ 7m. the effective influence depth of vacuum preloading has relationship with pvds depth and can be more than 10m
對地下水位線以下的真空度成因進行了分析，結果表明，地下水位線以下測到的真空度是由於測試軟管中水位下降或部分封存氣體從軟管末端逃逸引起的，與地下水位線以上的真空度由抽氣直接形成在成因上存在不同；根據伯努俐方程，對地下水位下降的極限深度進行了分析，得出真空預壓中地下水位的極限下降深度為5 7m ；對有效影響深度的分析結果表明，真空預壓的有效影響深度與塑料排水板的打設深度具備一定關系，有效影響深度可以超過10m 。 -
Three chefs work exclusively on the process, in which each step is essential : pumping up the ducks with air, soaking them with spices, coating them with honey glaze, blow - drying them, hanging them in the oven the result is a plump, crispy - skinned, juicy duck, which, after some skilled carving work by a chef, is ready for serving in the traditional way dipped in brown sauce and wrapped in a pancake with a section of spring onion
北平烤鴨是天廚的精神所在，三位師傅每天都忙於鴨子的吹氣腌漬上色風乾掛爐等瑣碎卻缺一不可的程序，烤出金黃飽滿皮酥肉嫩的鴨子，再經過師傅的巧手片成薄片，就可以沾著甜面醬與蔥段一起卷荷葉餅吃，汁多味美，日本餐飲雜志都經常介紹。 -
Air quality. workplace air. determination of methylbromide. sampling by pumping trough activated charcoal
空氣質量.工作場所空氣.甲基溴的測定.經活性炭處理的泵抽吸取樣 -
Tw serial luxurious vacuum packer can complete the whole process of pumping air into vacuum state, sealing, lettering, cooling and exhaust in terms of the process, but just need to press the vacuum cover
產品說明： tw系列豪華型真空包裝機只須按下真空室蓋即可自動按設定的程序完成抽真空、封口、印字、冷卻、排氣的全過程。 -
Fydsserial luxurious vacuum packer can complete the whole process of pumping air into vacuum state, sealing, lettering, cooling and exhaust in terms of the process, but just need to press the vacuum cover
產品說明： fyds系列豪華型真空包裝機只須按下真空室蓋即可自動按設定的程序完成抽真空、封口、印字、冷卻、排氣的全過程。 -
These include operations and maintenance services for key airport authority engineering plant and systems such as airfield e & m installations and systems - - airfield lighting, airfield hvlv & emergency power generating systems, aerobridges, preconditioned air systems for planes, trunked mobile radio system, baggage handling system, aircraft parking aids, pumping systems, air - conditioning system in the passenger terminal building, as well as wastewater treatment plant
而服務所涉及的主要設施則包括飛行區照明系統、高低壓及緊急供電系統、登機橋、為停于地面的飛機提供預校空氣系統、集群流動無線電通話系統、行李處理系統、飛機停泊輔助設施、抽水系統、機場客運大樓空調系統以及污水處理廠。 -
Experimental results of the air pumping of a serpentine inlet under ground running show that the total pressure recovery at the exit is low and the distortion at the exit is large
摘要對一種蛇形進氣道開展了地面工作狀態下的抽吸試驗研究，結果表明，在該狀態下進氣道出口截面的總壓恢復系數較低、流場畸變較大。
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