initial water pressure 中文意思是什麼
initial water pressure
解釋
初始水壓-
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。 -
This paper establishes a model simulating dam actual placing process and considering the non - continuity of initial temperature on the boundary of new and old concrete, daily air temperature change, concrete - placing temperature, hydration heat, heat insulation on boundary, water - storing process, placing intermission and curing with water. the calculation of stress field considers the concrete weight, static water pressure, thermal stress, different autogenous volume change between rcc and normal concrete, change of elastic modulus of concrete with age and creep action
考慮了乞今最為全面的初始條件和邊界條件，包括模擬壩體的實際升程過程，考慮了新老混凝土接觸面上的初始溫度不連續，逐日的氣溫變化，混凝土的入倉溫度，水化熱溫升，邊界保溫，水庫蓄水過程，澆築間歇以及灑水養生等因素；應力場的計算考慮了混凝土的自重，靜水壓力，溫度應力，常態混凝土與碾壓混凝土不同的自生體積變形，混凝土的彈性模量隨齡期的變化以及徐變的作用。 -
The monitoring result proved that although the surface settlement velocity was rather great during the initial phase of enrockment, the foundation still maintained firm based on the integrated analysis of lateral displacement, lamination settlement and pore water pressure measurement
監測結果表明：盡管拋石初期地表沉降速率很大，但綜合測斜、分層沉降、孔隙水壓力觀測結果分析，地基依然保持穩定。 -
( 4 ) through the hydraulic property experiment of micro - hole lateral pipes of simple sdi in air, it was found that the average pressure of 60 mitre length lateral pipes was at the position of per 40o / o ~ ~ ~ 50 % of the effectual pipe length from the fist micro - hole, major pressure - loss was occurred at the ahead part of half pipe. the pressure uniformity reduced with orifice aperture ? increasing, and the relationship between pressure uniformity and initial water pressure was poor. running under the initial water pressure of 1. 5 meter, the discharge uniformity reduced with orifice aperture ? increasing, and when the orifice aperture smaller than or equal 1. 0mm, irrigation uniformity could achieve above 0. 6
（ 3 ）通過對空氣介質中簡易地下滴灌的微孔毛管試驗研究發現： 60m管長的毛管平均壓力水頭的位置基本上在距第一孔口的有效管長40 - 45的地方；大部分水頭損失發生在毛管的前半部分；壓力均勻度隨孔徑的增大而減小，但與初始工作水頭關系不密切；在1 . 5m以下的工作壓力下運行，沿程出流均勻度隨孔徑的增大而降低，當孔徑不大於1 . 0mm時，灌水均勻度可以達到60以上；當孔徑大於等於1 . 2mm時，灌水均勻度低於50 。 -
Studies the impact of nozzle aperture, initial temperature and pressure of spray water and initial air state on humidifying effects based on an orthogonal test
摘要通過正交試驗確定了噴嘴孔徑、噴水初溫、噴水壓力及空氣初狀態對加濕效果影響的顯著程度。 -
Quantitatively analyses the concrete influences on atomizing humidifying performance of the nozzle aperture, initial temperature and the pressure of spray water and the water - air ratio through a single factor experiment
通過單因素試驗定量分析了噴嘴孔徑、噴水初溫、噴水壓力以及水氣比對霧化加濕的具體影響。 -
Three aspects are studied : ? he temperature field and stress field of penstock during construction period ; ? the initial temperature and stress status of penstock before subjected to internal water pressure ; ( 3 ) the optimization of the penstock construction ; 3
同時給出了壩後背管蓄水前初始應力狀況，提出了優化施工計劃的原則和方法。對以後壩後背管混凝土的施工具有實際指導意義； 3 -
To solve the problem of adverse influence on the environment exerted by the residue dye liquid from traditional dyeing of wool with acid mordant dyes by after - chroming, and to lessen the pressure of chromium - containing waste water treatment, the dyeing method was modified by adopting two - bath dyeing technique in which the initial dyeing liquid and mordant dyeing liquid could be used in the recycled way, thus saving dyestuff and reducing the drainage of chromium - containing waste water
摘要為解決傳統羊毛酸性媒介染料后媒法染色殘液對環境的影響，減輕含鉻廢水處理壓力，採用二浴循環染色技術對傳統羊毛酸性媒介染料后媒浴染色法進行改進，改進后的染色新工藝可以做到初染液及媒染液循環使用，節約了染料，並降低了含鉻廢水的排放。 -
Liquefaction resistance defined by excess pore water pressure rise is approximately independent of the initial confining pressure
同時也說明了由超孔隙水壓力定義的抗液化強度與初始有效平均正應力無關。 -
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。 -
Later, the paper ascertains how the prominent factors influence the humidifying effect by single factor experiment and got such solutions : when other situations do n ' t change, the nozzle flux will enhance with the increase of the nozzle aperture and spraying pressure. air ' s changing quantity of enthalpy and absolute humid, valid humidified quantity, humidifying efficiency and saturation efficiency will enhance with the increase of the initial water temperature. with the enhance of the praying pressure, the valid humidified quantity and air ' s changing quantity of enthalpy will increase first and decrease later, while the humidifying efficiency will drop
然後通過單因素試驗確定影響顯著的因素如何作用加濕效果，得到：在其他條件不變的情況下，噴嘴流量隨噴嘴孔徑和噴水壓力的升高而增大，空氣焓變量、絕對濕度差、有效加濕量、加濕效率及飽和效率隨噴水初溫的升高而提高，有效加濕量和空氣焓變量隨噴水壓力的升高先增加然後有所下降，而加濕效率隨噴水壓力的升高而下降，焓變量和絕對濕度差隨水氣比的增加而增大。 -
Under subsurface drip irrigation, soil wetted front movement when higher soil initial moisture content was quicker than that of when it is lower, so did the supplied water pressure and soil bulk density. the wetted front movement of clay loam was clearly slow than that of sandy soil, especially in the larger soil bulk density
地下滴灌條件下，初始含水量較高的土柱，濕潤鋒運移速度快于含水量較低的；在較高的供水壓力條件下，各個方向的濕潤鋒運移都比低水頭情況下的快；容重越大的土柱濕潤鋒運移速度越緩慢。 -
Experiment shows that when the gas hydrate is obtained by spray, its induction time is generally shorter, its phenomenon is not obvious, setting of initial temperature and pressure with an autoclave has certain influence on induction time, but not obvious, water resources and spray nozzle have bigger influence on the induction time
試驗表明，噴霧方式制取天然氣水合物時，誘導時間普遍較短，誘導現象不明顯；反應釜設定初始溫度和壓力對誘導時間有一定影響，但不是很明顯；水源和霧化噴嘴對誘導時間的影響較大。 -
Considering the water spraying can effectively increase the contact area between gas and water and promote the hydrate production rate, a batch reactor with water spraying was built in order to experimentally investigate the forming performance of natural gas hydrate, the system ' s state parameters ' variation and its effect on induced time of initial pressure and water temperature
摘要考慮到水的霧化可以有效提高氣水接觸面積，有助於提高水合物生產速率，設計和建造了一個半間歇式霧流強化水合物實驗裝置，用於探索和揭示噴霧強化天然氣水合物制備過程的基本特性，包括制備水合物的形態特徵，形成過程中參數的變化規律，以及系統初始壓力和初始水溫度對形成過程誘導時間的影響。 -
The paper is on how to set up lab platform of vapour spewing to uppercooling water surface to coagulate directly and to observe and analyse which vapour coagulate on the water surface, the results enable people to know the security system of nuclear power. the range of the pressure parameters of prz is from 0. 2mpa to 0. 6mpa, and the range of the initial temperature parameters of cmt is from 23. 5 to 78. 5, all of the testing points are 30 and there are fifty thousand testing data. many results of vapour spewing to uppercooling water surface vertically to coagulate can get. for example : coagulating can make the water of cmt surge forcefully when vapour spews to uppercooling water surface, too many vapour - bubbles come into being and strike the water of cmt owing to rupture continually, all these will strengthen the surge because of the vapour pressure of cmt
實驗中prz飽和蒸汽壓力變化范圍為: 0 . 2mpa - 0 . 6mpa ， cmt中水初始溫度變化范圍: 23 . 5 - 78 . 5 ，實驗中測試工況30個左右，實驗測試數據50萬余個，得出了很多與非能動安全系統相關的蒸汽垂直噴向過冷水表面凝結時的結論：蒸汽垂直噴入過冷水表面凝結時會造成cmt中液面的強烈波動和振蕩，產生大量蒸汽汽泡，汽泡不斷破裂對cmt中液體帶來很大沖擊，勢必引起cmt中液體的振蕩，造成cmt汽空間汽壓不均勻，加強cmt液體的振蕩和波動。 -
There will be a hot water layer in the water of cmt when vapour spews to uppercooling water surface vertically and coagulates directly. the higher of the vapour pressure of prz and the initial water temperature of cmt are, the deeper the hot water layer is. and obtaining the experience formula of the hot water layer is as follows : the condensation coefficient is high when vapour coagulate at first, then it will lessen with the process of coagulation, the higher of the vapour pressure of prz and the initial water temperature of cmt are, the higher of condensation coefficient is
蒸汽垂直噴入過冷水表面凝結時， cmt中水有明顯熱分層現象， prz中飽和蒸汽壓力越高， cmt中水初始溫度越高，熱分層厚度越大，熱分層厚度的經驗關聯式為：凝結剛開始時，凝結換熱系數非常大， ，隨著凝結的進行，凝結換熱系數越來越小， prz中飽和蒸汽壓力越高， cmt中水初始溫度越高，凝結換熱系數越大。 -
The mathematical analysis shows that, with disregarding local head losses and by means of different simplified rigid models, the calculated results of the maximum pressure in a pressurized pipe system containing trapped air mass are equal to and independent of the initial length of the water - column
摘要通過數學分析證明，在不計局部水頭損失時，目前常用的幾種簡化剛性數學模型的最大氣壓計算結果相等，並與管道內初始充水段長度無關。 -
The variable regularities of water - absorbing deformation and shear strength with initial water content, initial dry density and upper pressure are summarized as well as the quantitative correlations of them are described
總結出含水量、干密度、壓力等單因素對加水變形和強度的影響規律，並對這種影響進行了量化描述。 -
In addition, water absorption rate of high strength lightweight aggregate in concrete under pressure decreases with its initial containing water rate increasing
此外，陶粒在混凝土中的壓力吸水率隨其初始含水率的增大而減小。
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