pressure unloading 中文意思是什麼
pressure unloading
解釋
壓力降低-
Pressure unloading analysis of bi - pass inserting electromagnetic valve
二通插裝電磁溢流閥卸荷壓力分析 -
The following conclusions are gained : ( 1 ) the located shear band prongs the ligament near the top crack tip and the structure may occur shear - mode fracture at the angle of 155 ? to crack when load is 87. 92mpa ; the mode of fracture of the flange joint structure is not possible to be void - mode ; ( 2 ) it is proved that loading and then unloading repeatedly can not increase the possibility of invalidation of the structure when the times of loading and unloading are not too more when load is operating pressure ; the structure is safe when the vessel is operating ; ( 3 ) in the fe model of the thesis, not considering the influence of water pressure test which is in the process of fabrication of vessel in fe results in larger deviation in analysi
得出了以下結論：在8792mpa的載荷下筒體一封頭連接結構處的集中剪切帶貫穿韌帶，可能發生沿與原裂紋線成155 「角方向剪切型斷裂；筒體一封頭連接結構不可能發生韌窩型斷裂； （ 2 ）在工作壓力下進行次數不多的反復加、卸載，結構不會破壞，也不會喪失安定性：結構在工作狀態下是安全的； m在本文的彈塑性有限元模擬計算中，對于裂紋尖端進行力學分析時，不考慮壓力容器製造過程中水壓試驗的影響，將導致計算結果出現較大的偏差； （ 4 ）筒體完全屈服時的載荷為92石3mpa ，封頭完全屈服時載荷為86 -
When earth pressures are calculated by the shear strength parameters of cu, the way water - soil calculating separately is best, which should involve the influences of excess pore water pressure through the total stress unloading strength parameters of cu
當採用固結不排水抗剪強度指標計算土壓力時，最好採用水土分算的計算方法，計算時可以通過三軸固結不排水總應力強度指標將超靜孔隙水壓力的影響考慮在其中，但此時最好採用卸載強度指標。 -
Depending on how the ground surface is denuded, the feature of the current crustal stress field and rock stress environment can be calculated analyzing the result in this paper : by analyzing the recovering feature of the elastic deformation of the rockmass in unload - stage under various pressures, it has been found there is close relationship between the recovering degree of the elastic deformation of the rockmass and the unloading degree of the pressure the direction of the major principal stress in the crustal stress field is not consistent with the direction of the crushing stress regional tectonics borne during the last tectonic movement. the evolving degree of the regional geomorphology evidently affects the current crustal stress field, which changes from the self - weight stress field to the horizontal stress field, with the changing of the eroding degree of the regional geomorphology ranging from valley area to hilly country to flat country. in valley area, where there is two stress belts, the bankslope s tress belt and the self - weight stress belt within the mountain. the direction of the major principal stress is nearly parallel to the ground surface and inclines towards the valley in the bankslope stress belt. it is nearly vertical in the self - weight stress belt
通過本文的研究成果，根據區域性地貌的演化特徵，我們可以大致地對現今地應力場進行判斷：在分級卸荷條件下，巖體中彈性變形的恢復具有明顯的規律性，這種規律對于研究地應力場的演變是有幫助的；地應力場中最大主應力方向與區域構造形跡在最近的構造運動中所受區域性擠壓應力的方向無明顯的對應性；區域性地貌形態的演化程度對現今地應力場的特徵具明顯的影響，隨著區域性地貌侵蝕程度由峽谷區、丘陵區、平原區的變化，現今地應力場特徵由自重應力場、水平應力場為主含少量自重應力場特徵向水平應力場的規律變化；在峽谷區，山體中具有兩個應力帶：自重應力帶和卸荷應力帶，最大主應力方向在卸荷應力帶中近平行於坡面並傾向于河谷、在自重應力帶中近於直立；根據原始地面遭剝蝕的程度，可以大致地估算最大主應力和中間主應力的量值和方向；在丘陵區和平原區，最大主應力的方向近於水平，並與附近區域性侵蝕盆地和河流的展布方向基本平行，根據原始地面遭剝蝕的程度，可以大致估算其最大主應力的量值；根據區域性地貌形態的特徵來分析工程區的現今地應力場特徵，並進而大致了解巖石的應力環境，這種分析方法得出的結論與許多實際的地應力測試成果基本一致，對于大型水電工程地下廠房和壓力隧洞的設計是有所幫助的。 -
This machine is fit for the testing use of water pressure intension for highpressure vase as oxygen carbon dioxide, nitrogen, hydrogen, etc., with for functions of loading and unloading valve, water pressure intension testing. auto overturn water pulling, pressure tested under free condition, advanced at home, and is the favorite equipment for steel vase testing stationgs and manufacturers
本產品適用於高壓氣瓶（氧氣、二氧化碳、氮氣、氫氣等， ）作水壓強度試驗，具有裝卸瓶閥、水壓強度試驗，自動翻轉倒水，四大功能，在只有狀態下試壓，是目前國內較為先進的高壓氣瓶試壓裝置，是各鋼瓶檢測站、製造廠理想設備。 -
Fourth, the membrane recovering method was found within stationary tubular membrane elements and was compared with rotating flow by using experiment, that is, the unloading pressure recovering method is one of the most efficient method, it may reduce the auxiliary time, such as washing, backflush, reverse filtration, but the tubular membrane is washed or backflush or changed after the cycle period are accumulated numerous times
第四、對旋轉流靜止管式膜的再生進行了實驗比較，並提出了旋轉流膜管可以通過卸壓再生，以減少膜管每次使用后的沖洗、反吹等輔助時間，採用該種方法再生的膜管其滲透通量完全能滿足要求，當循環使用一定次數后再進行或沖洗或反吹或更換新膜管。 -
Osbl experience must include several of power generation and distribution, steam generation, instrument / plant air, cooling water, raw water treatment, waste water treatment, fire water, pressure storage, atmospheric storage, flare systems, polymer warehousing, liquid loading / unloading systems
在osbl上的經驗必須包括幾個電力生產和配送，蒸汽生產，儀表/工廠空氣，冷卻水，原水處理，廢水處理，消防水，壓力存貯，常壓存貯，火炬系統，聚合物儲藏，液體裝卸系統。 -
Solid materials handling and pneumatic conveying system packaged machinery and its equipment and valves are mainly used for conveying, material unloading, dedusting, metering, mixing, packing units in the processing units of the solid materials including powder, particles, powder mixtures and flakes of abs, ps, pe, pp, pom, san, pet, pc, pta, pvc, bpa, sap, as and pmma in the trades of petroleum, chemical industries, chemical fiber, dye, pharmacy, food, electronic, paper making, natural gas, power, environmental protection, metallurgy and etc. it is applicable for various pneumatic conveying systems and gravity flow conveying systems under the conditions of diluted - phase, densed - phase, high pressure, low pressure and vacuum pressure
固體物料處理和輸送系統成套機械及其專用設備、閥門主要應用於石油、化工、化纖、染料、醫藥、食品、電子、造紙、天然氣、電力、環保、冶金等領域中固體物料（含abs 、 ps 、 pe 、 pp 、 pom 、 san 、 pet 、 pc 、 pta 、 pvc 、 bpa 、 sap等粉沫、顆粒物料、粉粒混合物、片狀）生產加工過程中輸送、卸料、除塵、計量、混合、包裝等工段使用，能適用於稀相、密相、高壓、低壓、負壓各種氣力輸送系統和重力流輸送系統。 -
The primary measures for control precept are : sufficiently and effectively utilizing the the air compressors " interior data, realizing online surveillance and alarming for failure of the the air compressors " running interior parts ; letting the air compressors running by master and slave manner, by reasonable arranging the alignment of the air compressors, making the masters yielding pressed air and the slaves adjusting the pressure of the air. this decreases the times of loading and unloading greatly and the decreased failure of air compressors and low maintain ; at the same time we adopt abundant value of the set pressure for stabling the compressure. the air compressors become loaded or unloaded ahead by the abundant value ; caning unloading control for saving power, when the air compressors get along with unloading for a while, the system will stop them ; consummating the purposes for control, enhancing offline control for over - press and low - press, continual loading control and unloading control
經過分析研究，針對原來存在的問題，在控制方案上主要的改進措施有：充分、有效地利用了空壓機的內部參數數據，對空壓機的內部部件的運行情況實現了在線監視及故障報警；對空壓機採用了主、輔結合的運行方式，通過對空壓機加、卸載隊列的合理排序，使空壓機自動實現主機產氣、輔機進行氣壓調節，減少了空壓機的加載和卸載次數；在壓縮空氣壓力的穩定上進行了裕量控制，在壓縮空氣壓力不到供能品質所規定的上、下根就根據一定的裕量提前進行卸載和加載操作；在節約電能方面對空壓機進行了卸載停機控制，當空壓機在一定時間內一直處于卸載狀態，系統就認為該空壓機沒有運行的必要，自動將其停機；完善了控制效果，增加了超壓低壓脫網控制、連續加載控制、連續卸載控制等功能。 -
By simulating the excavation course of foundation pits and starting with the change of stress field, the regularities of remanent strength and static earth pressure of viscous soil mass under excavated plane are analyzed so that the influence depth due to soil mass excavation unloading may be determined
摘要模擬基坑開挖過程，由應力場變化方面入手分析開挖面以下粘性土體殘余強度和靜止土壓力的規律性，以期確定土體開挖卸荷的影響深度。 -
That is, the partially penetrating sand drain ground is viewed as the double - layered ground, and its consolidation is analyzed with 1 - d consolidation theory, through the transformation from 3 - d consolidation to 1 - d consolidation in the region of sand drain. this can overcome the disadvantage that the excess pore water is discontinuous between the region of sand drain and under - lying soft layer. to the double - layered ground, based on the consolidation mechanism under surcharge, the excess pore water pressure calculation formula is deduced under the condition of multilevel equably loading or unloading, which perfects the consolidation theory
然後，在充分考慮豎井區井阻、塗抹作用以及土體結構損傷破壞對固結影響的基礎上，將未打穿豎井地基合理地轉化為雙層地基，按一維固結理論計算，克服了傳統固結計算方法在豎井處理區與下臥層交界面處存在孔壓間斷的缺點；在此基礎上，從超載預壓法的基本原理出發，分析了雙層地基超載預壓固結、沉降機理，推導了多級等速加、卸載情況下雙層地基的固結計算公式，進一步完善了雙層地基固結理論。 -
For existing factories and warehouses and specialized depots and wharves for production, storage, loading and unloading of inflammable and explosive dangerous goods, and filling and loading stations, supply stations and pressure regulating stations for inflammable and explosive gas and liquid, in case they do not conform to the regulations of this article, relevant units shall adopt measures to give a solution within a time limit
原有的生產、儲存和裝卸易燃易爆危險物品的工廠、倉庫和專用車站、碼頭，易燃易爆氣體和液體的充裝站、供應站、調壓站，不符合前款規定的，有關單位應當採取措施，限期加以解決。 -
It was found that longer surcharge preloading duration could make the total magnitude of deformation of soft clay larger, and the more surcharge preloading duration and the larger opr, the less magnitude of secondary compression deformation of soft clay after unloading was, compared with that under permanent pressure loading
研究表明，超載作用時間過長會使地基的總變形量增加，相對于等載預壓過程，超載的作用時間越長、超載比越大，超載卸除后的次壓縮變形越小。 -
Hydraulic fluid power - pressure reducing valves, sequence valves, unloading valves, throttle valves and check valves - mounting surfaces
液壓傳動.減壓閥順序閥卸荷閥節流閥和單向閥.安裝面 -
Hydraulic fluid power - pressure - reducing valves, sequence valves, unloading valves, throttle valves and check valves - mounting surfaces
液壓流體動力.減壓閥順序閥卸載閥節流閥和止回閥.安裝面 -
It was shown that when the soil pressure on the stepped rsrw was relatively small, its distribution form was zigzag, and would be affected evidently by unloading function of the step ; the potential fracture surface of the stepped rsrw was obviously different from the 0. 3h fracture surface proposed by the usual hypothesis, and would change with height - width ratio of the wall ; finally, its deformation characteristics were different from the vertical rsrw with single step
測試表明：臺階式加筋土擋墻的墻後土壓力較小，呈鋸齒形分佈，明顯受臺階卸載的影響；潛在破裂面與0 . 3h破裂面假定有較大差異，並隨擋墻的高寬比變化而變化；變形特徵不同於單級直立式擋墻。 -
The load - deflection curve, the load - strain curve, earth pressure and distribution of sub - grade contact pressure under concentrated load, moving load and load at the side of the coal unloading chute respectively are obtained and discussed ; the whole process from cracking to failure are studied
分別對其在集中荷載、移動荷載及堆載等作用下的側向土壓力、基底反力的分佈情況以及結構構件的荷載?應變規律、荷載?撓度變化規律和結構從開裂到破壞的全過程進行了試驗研究和理論分析。 -
The identification method is studied and the transfer function of the automobile air brake unloading valve ' s test system is acquired ; the pressure balance time of the test system of the unloading valve is studied by the increasing pressure in different speed and scope
本文主要研究內容是汽車氣制動卸荷閥性能測試系統的傳遞函數的辨識方法及不同的加壓方式對系統壓力平衡時間的影響並進行了相應的試驗驗證。 -
( 6 ) the permeability tests for sandstone and granite with a single fracture were conducted in the process of loading - unloading for confining pressure
（ 6 ）進行了圍壓升降過程中砂巖巖樣和單裂隙試件的滲透率試驗。 -
The pore pressure, relationship of stress and strain, and the shear strength parameters obtained by unloading tests are different from those obtained by loading tri - axial tests. later the difference is analyzed in the respect of stress path and microstructure. at last, by use of a practical project the author compared and analyzed the two sets of shear strength parameters obtained by two different stress paths
模擬基坑開挖的三軸試驗得出了與常規三軸試驗不同的孔隙水壓力和應力-應變關系，這樣得到的抗剪強度指標也低於常規三軸固結不排水加荷試驗所得抗剪強度指標，繼而本論文對抗剪強度指標的差異從應力路徑的角度和微觀結構的角度進行了分析。
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