預壓密 的英文怎麼說
中文拼音 [yùyāmì]
預壓密
英文
preconsolidation-
To meet the processing requirements before sintering, the pressed briquet was pre - calcined at 1150 to make it possess adequate processing strength at first and then was shaped through precise turning on the numerical control lathe according to the design diagram of the femoral head prostheses of partial hip joint
為滿足燒結前坯體加工的要求,壓制后的坯體在1150預燒,使其具備一定的加工強度,然後按照半髖關節股骨頭假體的形狀尺寸設計圖在數控車床上進行精密車削成型。First this paper describes the composing and technics of drillers ; then the composing of control system based on s7 - 300plc is described ; then thinking of such characteristics of oil driller as complexity and long delay, this paper brings forward the control strategy of combining the fuzzy control with smith estimate control algorithm, and sets down the way of auto - driller based on discal hydraulic pressure brake. at last the experiment based on matlab by computer shows that the effect of this control mode is very good and all performance are famous
首先本文闡述了鉆機的組成與工藝特點,然後描述了基於西門子s7 - 300plc的控制系統組成,然後針對傳統鉆機自動送鉆控制策略落後的缺陷,同時考慮到鉆機的復雜性、大滯后等特點,提出了模糊控制演算法與施密斯( smith )預估控制演算法相結合的控制策略,給出了基於液壓盤式剎車的自動送鉆智能控制策略, matlab的模擬實驗證明該控制方式控制效果良好,各方面性能指標都達到理想要求。A diversionary conversation with a close romantic partner, friend, or family member helps prevent stress hormones from triggering high blood pressure and other health complications
和親密的戀人、朋友或家人進行的一次轉移注意力的談話能幫助預防壓力荷爾蒙出發高血壓及其他健康並發病。It is suitable to be used as the medium to filter the high purity and strong corrosive gas or liquid, the air plug of battery, gasket, seals for medium / low pressure, the waveguide tube pre - heater for boiler, the sealing wash, the cover of big - powered micro - wave antenna, and radar antenna of twt etc
適用於過濾、高純度、強腐蝕性的氣體液體介質、蓄電池上作氣塞、襯墊、中低壓密封元件、鍋爐波管預熱器、密封圈和軍用微波大功率天線罩,以及行饋網路雷達天線等。Apoplexy may lead to disability or beath, is known to be verydangerecus for hyman health. inclinical data, apoplexy is shown to be preventable or curable. the thesis presents the mechansm and the method to avoid the internal infury leading impairment or to the death. morbidity and internal cauce are shown to be the major factors, responsible for the deseace. apoplexy is happening and changing are shown to relate to the age, blood pressuce, mentalith, climate, feeling etc, among which, high blood pressure is shown to the culpril inducing apoplexy
卒中是可以預防或推延發病的,唯需「未病先防,既病防變」 ,始可收效.其病因機制是「內傷積損頹敗」 ,強調內因是主要的,有時是綜合因素致病.其發生和變化與年齡、血壓、代謝、氣候、情緒、飲食等有密切的關系.尤其高血壓是誘發卒中的元凶,預防卒中的關鍵在高血壓、小中風、高血脂癥等的防治The forecast method of formation compression the principle of forecast method is based on increasing of formation compression along with burial depth. the used parameters include velocity, density, porosity, and fluid content etc. in fact, the factor influence formation compression is very complex
4地層壓力預測方法地層壓力預測方法的基本原理建立在地層壓力隨埋深增加而增加的基礎上,所用的參數主要有巖層速度、密度、孔隙度、流體含量或與之有關的參數等。The expansion and dehiscence behavior during the vacuum reactive sintering below 660 of compact ti / al composite powders was experimentally investigated, and the reasons of expansion and dehiscence were theoretically analyzed. the method of low temperature reactive sintering was generalized, and the experiment testified the method effective. the rule of the expansion of the billets was generalized from the result of density of the billets
低溫反應燒結工藝:研究了高能球磨ti / al復合粉體在溫度低於660下真空無壓反應燒結過程中的膨脹和開裂行為,分析了產生膨脹和開裂的主要原因;並提出了能夠有效預防坯料開裂的方法;通過測定坯料在低溫燒結后的密度,總結了其體積膨脹的規律;通過x射線衍射技術分析了隨球磨時間不同,金屬間化合物的生成情況。There are many methods of foundation consolidation for civil engineering, such as soil exchange method, prepress method, dynamic consolidation method, vibrancy rushing method, soil and podsol dense pile method, sand pile, cement - coal - powder and gravel pile method, deep mixing method, high - pressure eject masonry, etc. the dynamic consolidation and deep mixing method ( dmm ) are very common in project construction
目前國內外地基處理的方法很多,主要的地基處理方法包括:換填法、預壓法、強夯法、振沖法、土和灰土擠密樁法、砂樁法、水泥粉煤灰碎石樁法、深層攪拌法以及高壓噴射注漿法等。其中強夯法和深層攪拌法是工程建設中較常用的加固方法。Rubber oil seal vulcanization molding machine ; vacuum compression forming machine ; vertical / horizontal rubber injection molding machine ; tire retreding machine ; flat vulcanizing machine ; rotocure ; precision rubber slicer ( performer ) … … etc
真空油封加硫機,真空熱壓成型機,立式/臥式橡膠注射機,翻修胎加硫機,平板加硫機,輸送帶加硫設備,回轉硫化機,精密橡膠切片機(預成型) … … .等。Abstract : yanchang series is a typical low permeability reservoir, and its favourable sandstone reservoir is delta facies. heavy compaction, cementation and heterogeneity exist in it. according to the analysis of the main control factors of forming the secondary pore, it is held that the secondary pore in longdong area is controlled by both favorable facies belt and abnormal formation pressure. it is also held that the formation of the abnormal formation pressure is due to the dewatering of the clay mineral during diagenesis because the dewatering time is identical with the decarboxylation time of organism. organic acid and co2 are driven to adjacent favorable reservoirs under the abnormal formation pressure, and a lot of secondary pore is produced in the runners. from the present exploration result, it is useful to predicting the development of secondary pore to study the distribution of abnormal formation pressure
文摘:陜甘寧盆地三疊系延長統是國內外典型的低滲特低滲油田,儲集層主要為三角洲砂體,壓實作用和膠結作用強烈,儲層非均質性非常嚴重,因此預測次生孔隙發育帶是尋找油氣聚集帶的關鍵.通過對陜甘寧盆地隴東地區延長統次生孔隙形成的主控因素分析,認為陜甘寧盆地延長統次生孔隙的形成除了受沉積有利相帶控制外,還與地層異常壓力的作用密切相關.研究認為隴東地區異常壓力的形成機理主要由於成巖過程中粘土礦物脫水作用.粘土礦物大量脫水時間正好與有機質脫羧期相一致,從而在異常壓力作用下將生油巖中的大量有機酸及co2帶到與之相鄰的儲集層中,並沿著有利儲集相帶運移,在酸性水經過的地方形成大量的次生孔隙,為後期油氣運聚提供有利通道及宿住空間,從現今的勘探結果來看,通過研究地層異常壓力縱橫向分佈特徵,並結合有利相帶研究預測次生孔隙育良帶是行之有效的方法Yanchang series is a typical low permeability reservoir, and its favourable sandstone reservoir is delta facies. heavy compaction, cementation and heterogeneity exist in it. according to the analysis of the main control factors of forming the secondary pore, it is held that the secondary pore in longdong area is controlled by both favorable facies belt and abnormal formation pressure. it is also held that the formation of the abnormal formation pressure is due to the dewatering of the clay mineral during diagenesis because the dewatering time is identical with the decarboxylation time of organism. organic acid and co2 are driven to adjacent favorable reservoirs under the abnormal formation pressure, and a lot of secondary pore is produced in the runners. from the present exploration result, it is useful to predicting the development of secondary pore to study the distribution of abnormal formation pressure
陜甘寧盆地三疊系延長統是國內外典型的低滲特低滲油田,儲集層主要為三角洲砂體,壓實作用和膠結作用強烈,儲層非均質性非常嚴重,因此預測次生孔隙發育帶是尋找油氣聚集帶的關鍵.通過對陜甘寧盆地隴東地區延長統次生孔隙形成的主控因素分析,認為陜甘寧盆地延長統次生孔隙的形成除了受沉積有利相帶控制外,還與地層異常壓力的作用密切相關.研究認為隴東地區異常壓力的形成機理主要由於成巖過程中粘土礦物脫水作用.粘土礦物大量脫水時間正好與有機質脫羧期相一致,從而在異常壓力作用下將生油巖中的大量有機酸及co2帶到與之相鄰的儲集層中,並沿著有利儲集相帶運移,在酸性水經過的地方形成大量的次生孔隙,為後期油氣運聚提供有利通道及宿住空間,從現今的勘探結果來看,通過研究地層異常壓力縱橫向分佈特徵,並結合有利相帶研究預測次生孔隙育良帶是行之有效的方法In order to make investigators know about the current research state of preparation of the carbon / graphite materials with high density and strength from mesocarbon microbeads, and direct the research, development and production, in this review, the influence of preparaed mesocarbon microbeads from various raw materials and methods of preparation, ball diameter of carbosphere, preoxidation temperature and time, moulding pressure and time, heat treatment temperature and heating rate, holding time on the mechanical properties and microscopic structure of carbon / graphite product were discussed by us
摘要為了對中間相炭微球制備高密高強炭石墨材料的研究現狀有所了解,並且對實驗和實際生產起到指導作用,本文通過參閱大量中外文獻,討論了不同原料及制備方法制得的中間相炭微球、炭微球的球徑、預氧化溫度及時間、成型壓力及時間、熱處理溫度及升溫速率、保溫時間對炭石墨製品的力學性能及微觀結構的影響。High - speed performance : in precision machining cam and cam rollers support the taper rib exerted pressure on the load, totally avoid 2806 - 1980, reliable and high - speed operation
高速性能:在精密加工的凸輪和凸輪滾子的錐度支撐肋上施加預壓負荷,完全避免間隙產生,使運作可靠和高速。Samples with various compositions were prepared through different calcined temperature, sinter temperature and different maintained time at sinter temperature. the structure, density, shrinkage, and piezoelectric properties were investigated
選取部分組成點,採用不同的預合成溫度、燒結溫度和保溫時間制各樣品,測試各樣品的晶體結構、體積密度、線收縮率和壓電性能。The conclusions are as follows : ( 1 ) high - pressure water - atomization can be used to produce a pre - alloyed steel powder with high apparent density, high green strength, size - stability after sintering and low hydrogen - loss content ; ( 2 ) the higher smelting temperature and / or water pressure, the finer particle size of steel powders ; ( 3 ) when the atomization angle holds in a reasonable value ' s range the obtained powder will have a better particle size distribution ; ( 4 ) an optimum atomization technological parameters : liquid steel flux, water pressure and water prick angle was obtained ( 5 ) reduction variables ( temperature, holding time, material - bed ' s thickness and reducing gas flux ) have a significant effect on the particle agglomeration and properties of final powder was given ( 6 ) different alloying methods were developed to modify properties of ferrous powder materials and hence to broaden its applications in ferrous powder metallurgy industry
本文系統研究了水霧化預合金鋼粉生產工藝及合金化方法對鐵基粉末冶金材料性能影響,詳細研究了冶煉、霧化、還原工藝參數對預合金鋼粉化學成份和物理性能影響,並得出如下結論: ( 1 )採用高壓水霧化技術可用於生產高密度、高強度、尺寸穩定性的低氫損含量的水霧化預合金鋼粉。 ( 2 )冶煉溫度越高,高壓水壓力越大,所得生粉顆粒粒度越細。 ( 3 )水錐角調整在一個適當角度范圍內可獲得粒度組成較好的生粉。Simulation of polyurethane pre - compressing seal deformation process in high - pressure tube - testing press with finite element method
高壓水壓試管機軸向預壓緊密封變形過程有限元模擬On the other hand, for the pre - press stress being threw by the hub was inserted after cooling with liquid nitrogen, the poor transverse tension strength of the multi - ring flywheel rotor could be counteracted. so the rotate speed and energy storage density can be increased efficiently
而採用多環套裝纏繞技術製造的多層飛輪輪環,在利用溫差過盈裝配方法給復合材料輪環施加預壓應力后,能夠有效避免飛輪轉子的復合材料輪環部分因較低的纖維橫向抗拉強度而破壞失效,從而大幅度提高飛輪轉子的極限轉速和儲能密度。Soil quality - determination of compactibility of soils from the preconsolidation stress
土質.預壓實土壤密實性測定Some key subjects of numeric analysis were discussed such as : selecting principles of constitutive equations of soft clay, the equivalent theory of vertical drains ground, the definition of load step, the determination of vertical drains as well as the treatment methods of the decline of groundwater level, sealing wall and nearby water source
著重論述了真空預壓加固地基數值分析中對土體本構方程的選擇、砂井地基等效轉換、分析荷載步的確定、豎向排水體的界定、地下水下降的處理、密封帷幕的處理、附近補充水源的處理等問題。Precise positioning can be achieved by the application of preloading
採用了預壓力后,才能實現精密的定位操作。分享友人