pressure erosion 中文意思是什麼
pressure erosion
解釋
壓侵蝕-
After researching the loads on dangerous rock synthetically, the author points out the development and collapse mechanism of dangerous rock : the geology foundations that forms dangerous rock are the constructional surfaces such as tectonic fracture 、 relief fissure, soft interlayer etc. the developing of dangerous rock is due to release of in - situ stress in rock 、 aeolation 、 water erosion and root flerry. the main loads leading to collapse of dangerous rock are gravity, water pressure and earthquake force
在綜合研究危巖上的各種作用之後，本文提出了危巖的形成和破壞機理：硬質巖體中構造裂隙、卸荷裂隙、及各種軟弱夾層，結構面的的存在是危巖形成的地質基礎；地應力卸荷、風化、流水侵蝕、植物根劈是危巖發育的主要作用；重力、水壓力、地震力是危巖崩塌的主要荷載。 -
According to those analysis and the background of geological evolution of basin, the kind of hydrodynamics was regarded as compaction before y3 and then as compaction - osmosis after y3. futhermore, the key time of oil and gas reservoir formation was summarized, it is furthermore, the main cause of high pressure formation was believed that the compaction was not enough in paleogeothermal gradient, meanwhile, analyzing the cause of the low pressure nowadays, it was the uplift and erosion of stratum or pressure divulgence because of seal and so on
另外，還確定油氣成藏的關鍵時期為伊敏組沉積末。再者，認為欠壓實是最大埋深狀態下，超壓形成的主要原因，同時分析了形成現今負（低）壓的原因，其原因為地層抬升剝蝕、壓力因封閉層的泄漏等。最後，恢復出各主要目的層的古流體勢的演化歷史，從伊敏組末至現今，油勢分佈特徵具有較好的繼承性。 -
It concluded 56 that ferrisols aggregate breakdown was caused by the pressure produced by the entrapped air in the soil porosity when fast wetting, which indicated that ferrisols erosion was most severe in the sudden heavy rain in the nature
富鐵土團聚體的崩解主要是由土壤快速濕潤時，擠壓孔隙內的閉塞空氣而產生的壓力，說明富鐵土土壤在突降暴雨時侵蝕最嚴重。 -
The first is early period of dongying - guantao, which is the main stage for natural gas forming with erosion and decrease of pressure. the second is from the beginning of quaternary to update, during which gas reservoir is reforming and the reforming gas is refilling into the reservoirs. according to the value k / ar in illite, the time to form the gas reservoirs can be determined as the period of dongying - guantao, among which duzhai is 43. 0 - 38. 0ma and 25. 4ma, qiaokou area 37. 8 - 25. 4ma and 24. 4 - 18. 4ma, baimiao 38. 0 - 25. 4ma and 23. 4 - 20. 4ma
伊利石測年法確定的天然氣成藏時期主要為東營?館陶組早期，其中杜寨主要為43 . 0 - 38 . 0ma及25 . 4ma ；橋口地區為37 . 8 - 25 . 4ma及24 . 4 - 18 . 4ma ；白廟地區為38 . 0 - 25 . 4ma及23 . 4 - 20 . 4ma ；杜寨地區成藏較早，伊利石測年確定的是天然氣藏最早形成時期，是天然氣藏形成的上限，伊利石測年法確定的天然氣成藏期是兩大主要成藏期的第一階段。 -
Stress decreases rock seepage character in elastic stage, while erosion damage increases it. under some conditions, the influence of stress to seepage may be shielded by erosion damage. obtaining the distribution of seepage field, tunnel external water pressure can be calculated in two ways : 1
高應力使裂隙閉合，一般是降低巖體的滲透性，而水化水力損傷則增加巖體滲透性，在腐蝕損傷發育到一定階段，應力對滲透性的這種影響則可能會被屏蔽。 -
The numerical simulation and experimental research made on the characteristics of the clearance cavitations in kaplan turbine are described herein ; in which the analysis mainly is concentrated on the characteristics of leakage - vortex caused by the flow of the clearance between blade tip and blade chamber, that occurs at the front - pressure side of the blade, and the intensity of the secondary - flow - vortex ; furthermore, the relationship in between the leakage - vortex, secondary flow vortex, cavitations and erosion are analyzed as well
摘要對軸流轉槳式水輪機輪緣間隙流動及空化特性進行數值模擬和試驗研究，重點分析輪緣間隙流動在正面頭部泄漏流動所引起的泄漏渦帶、二次流動的漩渦強度和空化特性，以及泄漏渦帶旋轉、二次流動的漩渦與空蝕和磨損之間的關系。 -
Variations in pressure with and without aeration in cavitation region are measured and the compressible characteristics of pressure waveforms and relation between mach number and compression ratio are analyzed ; the time - averaged pressure profiles of different air concentration in cavitation erosion region are measured, the variations of the pressure with air concentration and effects of back pressure on cavitation erosion are analyzed ; the relations between least air concentration to prevent cavitation erosion and flow velocity are proposed ; the cavitation numbers with and without aeration in cavitation region are compared
實測了空化區摻氣前後壓力的變化，分析了壓力波形的可壓縮流特徵以及馬赫數與壓縮比的關系；實測了空蝕區不同摻氣濃度的時均壓力分佈，分析了壓力隨摻氣濃度的變化及背壓對空蝕的影響；提出減免空蝕的最低摻氣濃度與流速的關系，比較了摻氣前後水流的空化數。 -
To protect magnetic field sensors from intense erosion and high pressure, suitable sealed pressure cases must be designed
其中之一是如何將磁場傳感器運抵海底實施測量。 -
Corundum mullite product adoprs electrocast refractories. through high pressure formation and high temperature burning, this product has comparatively high refractoriness, mechanical strength and slftening temperature under load. it can be widely used as inner lining. of various industrial furnace under such hard working conditions as high temperature, flushing and erosion
剛玉莫來石製品是採用電熔合成原料，高壓成型，高溫燒成的具有較高耐火度及機械強度，較高荷重軟化濁的可廣泛應用於各類工業爐高溫、沖刷、侵蝕條件較苛刻的窯爐內襯的耐火製品。 -
With the increase in production load, there is heavy liquid entrainment from the rectification column, resulting in a rise in urea content in the low - pressure ammonium carbamate solution, bringing about the cold crystallization of the low - pressure carbamate, cavitation erosion of the carbamate pump, and a decrease in decomposition of the carbamate in the rectification column, thereby impairing safety in production
摘要生產負荷提高后，精餾塔帶液嚴重，使低壓甲銨液中的尿素含量增加，引起低壓甲按冷凝器結晶、甲銨泵氣性、精餾塔甲按分解率下降等現象，嚴重影響安全生產。 -
Axisymmetric numerical model for original casing - eroded wells is established through hydraulic fracturing numerical simulation, and it can help to determine the relationship between distance limit from casing erosion point to fractured zone and fracturing pressure, so as to refrain from casing erosion recurrence in original easing eroded wells
摘要為解決套損井修復后水力壓裂施工時重新出現套損，以及確定套損點到壓裂層的距離界限，通過對水力壓裂過程的數值模擬，建立了套損修復井的軸對稱計算模型，得出了套損點到壓裂層的距離界限與施工壓力的關系。 -
Analysis and countermeasures about erosion of packing rings of supper pressure compressor
超高壓壓縮機填料環腐蝕原因與對策的研究 -
In conclusion, the capacitive pressure transducer possesses many advantages, including : high precision, erosion - proof and the ability of over - loading. it is the most advanced pressure transducer, which will fill up the lacuna of our country
總之，通過以上工作研製出的壓力傳感器結構獨特，精度高，耐腐蝕，抗過載能力強，是目前世界上最先進的壓力傳感器，填補了國內空白。 -
Liquid rocket engine is a thermal kinetic system, it runs under extremely strict physical conditions, such as high temperature, high pressure, strong erosion, high density of energy release, strong components parameters coupling. it is very difficult to establish accurate dynamic mathematical model
液體火箭發動機是一種在極端的物理條件（如高溫、高壓、強腐蝕和高密度的能量釋放等）下運行的復雜的流體-熱動力系統，部件參數強烈耦合，很難建立精確的動態數學模型。 -
In addition, the larger the pressure is, the higher the density and the magnet performance are. secondly, coupling agent helps to improve the magnetic power and its anti - erosion capacity, which promote the combination of magnet powder and bond
偶聯劑在磁粉和粘結劑之間起到了「分子橋」的作用，用經偶聯劑預處理過的磁粉制備的磁體性能明顯高於未經處理的磁體。 -
Pes is a good membrane materials which possess excellent properties, such as high mechanical strength, good chemical stability and resistance to heat, pressure and erosion, its temperature of glass transition is 225
聚醚碸（ pes ）是一種綜合性能優良的聚合物膜材料，其玻璃化溫度高達225 ，具有較高的拉伸強度和優良的化學穩定性、耐熱性、耐壓力，耐腐蝕等性能。
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