氣孔針 的英文怎麼說
中文拼音 [qìkǒngzhēn]
氣孔針
英文
breather-
The local directional drilling is just staring in terrane, the equipments and the technologies ca n ' t satisfy far and far the spot construction needs, according to current circumstance and considing the existed equipments, the author put forward drilling by air hammer in terrane, having designed compounded - drilling tools, and recommended technology parameters. producing experiments have obtained good achievements in economic and in techniques
國內定向鉆進鋪管技術在巖層只是剛剛起步，設備、工藝遠遠不能滿足現場施工需要，本文針對國內、外巖層定向鉆進非開挖設備及工藝現狀，結合國內大多施工單位的已有設備，提出巖層空氣潛孔錘導向鉆進工法，設計了適合巖層鉆進的實用鉆具，並提出具有針對性的工藝參數，生產性試驗取得了良好的經濟技術指標。As to the work about theory analysis, at first, the paper describes the atomizing and humidifying process of the centrifugal nozzle with firing pin type, high pressure and little aperture and liquid physical properties. later, combining with the structure characters of this kind of nozzle, the paper studies on the theory of the atomizing and humidifying process by three phases, which is water film forming phase, water film falling into pieces phase, and heat and mass transfer between water and air phase in turn
理論工作方面，首先描述了撞針型高壓小孔徑離心式噴嘴的霧化加濕過程和液體的物理性質，然後結合撞針型高壓小孔徑離心式噴嘴的結構特點，將其霧化加濕過程分三個階段進行機理上的研究，這三個階段依次為液膜形成、液膜初次破碎及二次霧化、水與空氣的熱濕交換。Through the special studies on impacts to atomizing and humidifying effect from such factors as the firing pin type, centrifugal structure, higher spraying pressure, less aperture, initial water temperature and original state of the air, some conclusions are obtained, such as : the centrifugal nozzle with firing pin type, high pressure and little aperture has bigger air eddy and atomizing angle. the spaying liquid has high velocity. the droplet is small, and the heat and mass transfer velocity is high
通過對撞針型結構、離心式結構、較高的噴水壓力、較小的噴嘴孔徑、噴水初溫及待加濕空氣初狀態對霧化加濕效果的作用原理的重點分析，得到：撞針型高壓小孔徑離心式噴嘴具有較大的空氣渦與霧化角，噴出的液體流速高、液滴小、水與空氣傳熱傳質速率高，撞針型結構提高了霧化加濕效率，高壓小孔徑的特點為霧化加濕提供了較大的能量，而噴水初溫的升高會減小水的粘性力和表面張力，從而優化加濕效果。Superlative point - elastic pin - punched latex
最富彈性的針孔透氣七段式天然乳膠。The tracheae runs into a pair of stigmas at the head laterally, a pair of trichobothria is at posterior end of body, and each of the large paired styles has a opening of spinning glands respectively are unique to myriapod
特別是，氣管經過在它頭部外側的一對氣門上與外界交換空氣；軀干後端有一對特殊的盅毛；巨大而成對的針突具有各自的紡績腺的開孔。According to the feature that deformation resulted from water absorption and mildew appear mainly on the rabbet surface of ccf, this paper adopts rsst to spray a special waterproof sealant on rabbet surface of ccf, so that the sealant can get into fiberboard to certain extent by means of capillarity and penetration, blockage the holes between fibers and capillary, cut up passage of water and change the properties of soakage and sorption to water in capillarity and fiber. at the same time, solidified sealant can form a compact waterproof pellicle on rabbet surface so as to prevent water and humidity from fiber ' s expansion and mildewing
針對吸水變形、霉變主要發生在地板企口表面的特徵，採用企口表面全封閉法，在復合強化地板企口表面噴塗特殊的防水封閉劑，使其依靠毛細管作用及滲透作用進入板內一定深度，堵塞木纖維之間的空隙及毛細孔通道，截斷水分傳遞的渠道，並改變毛細孔壁及纖維的表面性質以不利於水的浸潤與吸附，同時其固化后能在企口表面形成一層緻密的憎水薄膜，防止水分、濕氣從企口侵入板內引起木纖維膨脹變形、發霉等現象。The seven - hole probe ( shp ) is a device which can simultaneously measure the pressure and velocities of the steady flow, especially at large angles
作為一種可以同時獲得流動速度的大小、方向、以及總壓和靜壓的氣動測量裝置，七孔探針能夠被廣泛應用於各種大角度的流動測量。Aiming at the problem that the seeds picked up by the suction plate of the seed metering device cannot accurately fall into the seed pit opener as well as into the seed pit, an innovated seed metering device on which the seed dropping angle can be adjusted within a certain range and a new testing stand have been developed in accordance with the mathematical calculation model that had " in accordance with the mathematical calculation model that had been established previously. then an experimental study is conducted and the seed dropping law has been found out through the study
本論文根據2bqm - 2型氣吸式精量鋪膜播種機的結構和工作原理，針對該機在實際播種中，吸種盤吸出的種子不能滿足準確地落入在膜上滾動開穴的鴨嘴內，並及時地排入到鴨嘴所成的穴孔內的設計要求，進行了一定的試驗研究，利用已建立的計算數學模型，設計新的試驗臺，改進排種器，使排種器的落種角度可以在一定的范圍內調整。When the water - air ratio increases, air ' s changing quantity of enthalpy and absolute humid will be enhanced. at last, the paper analyses the data from single factor experiment by mathematics method and gets relationship formulas about the nozzle flux, valid humidifying quantity and air ' s enthalpy changing quantity
最後，對上述單因素試驗得到的數據進行數學分析，運用線性回歸分析、多項式回歸分析和非線性回歸分析的數學方法，得到影響撞針型高壓小孔徑離心式噴嘴的噴嘴流量、有效加濕量和空氣焙變量的數學關系式。It can rapidly and exactly search for tiny defect, needle hole, crackl, gas crack on the anticorrosion coating of the metal and correctly note down the number of damaged point on the coating
快速精確地搜速金屬表面防腐層的極小缺陷，針孔，裂紋，氣隙並準確地記錄防腐層破損點的個數。. from the direct mutant of spirulina platensis ( sp - d ), we got high purity and activity phycobiliprotein which could grow crystals. the algae fluorescent probe prepared by coupling the above polyclonal antibody to phycobilipotein not only keeps the property of stronger anti - fluorescence quenching but also has the lower fluorescent background when it was used for labeling stoma cells of pea tendril
以原核表達的peac1為抗原制備了免疫活性較好的抗豌豆肌動蛋白的多克隆抗體，從螺旋藻中純化了高純度、高活性、能結晶的藻膽蛋白，將兩者偶聯制備的藻熒光探針，不僅保持了藻膽蛋白很強的抗熒光淬滅能力，而且用於豌豆卷須氣孔細胞熒光標記時有更低的熒光背景。The tape adhesion must be distributed homogeneously without bubble, pore, adhesion, lami - nation, foreigh matter, crack of mica paper, reeling out of glass cloth, loosening of tape coiling, etc
粉雲母帶膠粘劑分佈均勻，不允許有氣泡、針孔、粘連、分層、外來雜質、雲母紙斷裂、正職璃布抽絲和帶盤松動的現象。The tape adhesion must be distributed homogeneously without bubble, pore, adhesion, lami - nation, foreigh mateere, crack of mica paper, reeling out of glass cloth, loosening of tape coiling, etc
粉雲母帶膠粘劑分佈均勻，不允許有氣泡、針孔、粘連、分層、外來雜質、雲母紙斷裂、正職璃布抽絲和帶盤松動的現象。Then we introduce the character of the atmosphere channel, which we emphasized on the atmosphere scatter, absorption and scintillation ' s effect on the laser beam. in chapter, we explain why we used cassegrain telescope to collect the optical signal at first, then the lightsource, detector, front amplifier used in optical communication has been compared to that of fiber communication, the noise including shot noise, thermal noise and background light noise has been explained here for analysis the snr and ber in the next section
在第三章介紹無線光接入系統的光收發單元，採用多孔徑卡塞格倫式的收發天線對消除減小大氣湍流影響有較大作用，針對大氣通道的特點無線光系統收發單元在光源、光探測器、前置放大電路上存在許多有別于光纖通信的技術，同時還闡述了光接收機包括背景噪聲的噪聲機制和接收靈敏度、誤碼率等指標，最後給出了一個整個傳送鏈路的功率預算。In this paper, high heat penetration into a moving particulate bed is described mathematically with a comprehensive heat and mass transfer model. the distribution of gas velocity and pressure, the temperature field of gas and solid in the moving particulate bed are examined for different conditions. the results show that thermal penetration into the moving packed - bed particles by fluid flow in porous media is high only in the position near the gas entrance. the thermal penetration thickness tends to increase with the fluid flow velocity and decrease with the particle moving velocity. in the region of thermal penetration, the porosity of solid bed has significant effect on gas field and pressure loss. it is feasible to reduce the gas pressure loss by a larger width / height packed bed in design and operation. the correspondence between thermal infection depth and particle bed height would be helpful to keep high oapacity of reactor and reduce the cost of operation
針對移動顆粒床中物料層內的高溫氣體滲流傳熱現象，考慮滲流與傳熱的相互作用，採用局部非熱平衡假設建立了多孔介質滲流傳熱物理數學模型並進行了數值計算.研究了不同情況下床內填充多孔介質中的流速、氣固溫度和床層壓力損失.計算結果表明，高溫熱氣對移動床顆粒料層的熱滲透主要發生在滲流入口端區域，增大入口滲流速度以及減小床層物料下移速度將導致物料溫度沿床高慢速下降，熱滲透深度擴大，熱滲透作用區域內的物料溫度水平提高.在熱滲透作用區域，孔隙率對流場和壓力損失有很大的影響.研究結果對于移動顆粒床反應器的設計與運行具有一定的參考作用As to the work about experiment study, at first, the paper makes certain the prominent affecting factors to the automating and humidifying property of this kind of nozzle by orthogonal experiment. by jicha analysis method and fangcha analysis method, the paper got that the nozzle aperture, the initial water temperature and the spraying pressure have prominent effect to the humidifying property while the effect of the original air state is small
試驗工作方面，首先通過正交試驗確定對撞針型高壓小孔徑離心式噴嘴霧化加濕性能影響顯著的因素，運用極差分析法和方差分析法，得到噴嘴孔徑、噴水初溫和噴水壓力對噴嘴的加濕性能影響顯著，而待加濕空氣初狀態的影響相對較小。Thaw settlement cause negative friction. this paper base on the thought of " initiative cooling ", aim at three problems existing in common concrete pile used in frozen soil, a new type of pile is proposed to overcome the disadvantages of the classical pile used in frozen soil. pile body within active layer is fluted and refilled with porous materials such as gravels and ballasts, convection will be occur and then thermal exchange inside porous material in winter while only heat conduction exists in summer, as a result the soil around flutings will be cooled, so the top line of permafrost will be drive up
本文基於「主動冷卻」地基的思想，以及針對凍土地區普通混凝土樁存在的三大問題，提出了一種新型樁的設計思路，運用數值模擬試驗手段對其冷卻機理與加固機理進行了系統研究，即在凍融活動層的深度范圍內，在混凝土樁身的表面刻槽，修築完時槽內填充碎石、塊石等多孔介質，通過外界大氣溫度的自然波動下多孔介質在冬季時存在的對流換熱機制，而在夏季只存在熱傳導，來達到主動冷卻樁周凍土和抬升凍土上限的目的。Changes in h2o2 generation in guard cells of vicia faba induced by aba were measured by using fluorescence probe, 8 - hydroxypyrene - l, 3, 6 - trisulfonic acid ( hpts ). examination of epidermis peel was performed using a laser scanning confocal microscope ( lscm ) and spectrofluorometer, set to an excitation light of 405 nm and an emission light of 512 ran
以蠶豆葉片下表皮為材料，將熒光探針hpts導入蠶豆氣孔保衛細胞內，利用熒光光譜和激光共聚焦顯微鏡技術，檢測了aba誘導蠶豆氣孔關閉過程中h2o2的產生。This new method will bring significant developments in studying the principles of stomatal movement, and other quick movement in plants, c ) guard cells are incubated with ph dependent fluorescent chemical probe " bcecf am " and excited at 488nm, the fluorescent emission ratio method ( 520nm / 640nm ) is employed with laser scanning confocal microscopy, about 0. 4 ph unit increase in guard cell vacuoles is observed during stomatal closure that is induced by aba
本發展為保衛細胞與其它小細胞液泡的進一步研究提供了新思路。 c ）本工作通過激光共聚焦顯微術配合ph熒光探針bcecfam的單激發（ 488nm ）雙發射的熒光比值法（ 525nm 640nm ）觀察到，用aba處理的表皮條上的開放態氣孔在關閉過程中其保衛細胞液泡內ph有一約0 . 4單位的上升。Based on epidermal strip bioassay, microinjection, patch - clamp and laser scanning confocal microscopy in the experiments, we provided the first evidence that map kinases, including mek1 / 2 or p38 / hog1, plays an important role i n aba - or sa - induced h2o2 signal initial, amplification and specific targeting in response to stimuli in guard cells. aba - or h2o2 - induced vicia faba stomatal closure. was inhibited or reversed by the specific inhibitor pd98059 of mek1 / 2 ; the guard cells were pre - incubated or - microinjected by 10 umol l - 1 pd98059, aba could not enhance the fluorescence intensity of h2o2 probe dichlorofluorescein ( dcf )
在對照實驗中， aba誘導熒光迅速增高；單獨的pd98059 、 pd98059和aba共同處理氣孔時，保衛細胞內h _ 2o _ 2探針熒光強度沒有增高；將pd98059注射進入其中的一個保衛細胞，再以aba處理，使得兩個有同樣熒光基礎的保衛細胞熒光強度對比強烈；將pd98059顯微注射進入已被aba誘導dcf （ dichlorofluorescin ）熒光強度升高的氣孔保衛細胞，熒光強度下降，而沒有被注射一邊的保衛細胞中的dcf熒光強度不變。分享友人