靜升力 的英文怎麼說

中文拼音 [jìngshēng]
靜升力 英文
hydrostatic buoyancy
  • : Ⅰ形容詞1. (安定不動; 平靜) still; calm; motionless 2. (沒有聲響; 清靜) silent; quiet Ⅱ名詞(姓氏) a surname
  • : Ⅰ動詞1 (由低往高移動) rise; hoist; go up; ascend 2 (等級提高) promote Ⅱ量詞1 (容量單位) lit...
  • : Ⅰ名1 (力量; 能力) power; strength; ability; capacity 2 [物理學] (改變物體運動狀態的作用) forc...
  1. Sicp / al matrix composites, with 5, 15 and 25 % volume fraction of sic particles, were prepared by vacuum hot - pressing sintering processing in this paper. based on mechanics properties, sem observation and energy dispersive x - ray analysis, the interface reaction phenomenon of sicp / al composites made by vacuum hot - pressing sintering, as well as the reinforcement and fracture mechanisms of this composite were analyzed. the dynamic responses of sipc / al composites were studied by a split hopkinson high - speed pressure bar impact system which strain rate was from quasistatic state strain rate ( 3. 3 10 - 3s - 1 ) to dynamic state strain rate ( 5. 2 103 s - 1 )

    本研究以武裝直飛機防護裝甲材料為研究對象,採用真空熱壓粉末冶金燒結工藝制備了含sic顆粒體積分數分別為5 、 15和25的sic顆粒增強鋁基復合材料,結合其學性能、掃描電鏡和界面微區能譜分析結果,分析了sic _ p al復合材料的真空燒結過程中的界面現象,以及材料增強和斷裂機理,並利用hopkinson高速壓桿沖擊實驗系統對其從態到動態(應變率為3 . 3 10 ~ ( - 3 ) s ~ ( - 1 ) 5 . 2 10 ~ 3s ~ ( - 1 ) )的壓縮破壞響應進行了研究,分析了不同體積分數sic _ p al復合材料高應變率壓縮載荷下,材料的變形和微觀損傷機理,以及利用高速沖擊空氣炮測定了改復合材料制備剃度復合板的穿透性能。
  2. Objective : to investigate the effect of pumpless portosystemic bypass in clinical piggyback liver transplantation. methods : after catheterized inferior mesenteric vein, the silastic catheter ( filled with heparin saline ) was connected with the catheterized tube of internal jugular vein or subclavian vein in four piggyback liver transplantation patients. the channel was opened after the portal vein was occluded. the portal vein blood poured into the superior vena cava through the pumpless channel. the changes of mesenteric congestion, portal vein pressure, blood pressure and pulse were observed. results : during the occlusion of portal vein, the portal vein pressure was increased greatly, the intestine was congested and swelled obviously and the blood pressure and pulse fluctuated gently. after the pumpless bypass opened, intestinal congestion and swell were abated markedly, the portal pressure, blood pressure and pulse gradually returned to normal range. conclusions : pumpless portosystemic bypass shows a great effect on clinical piggyback liver transplantation. it is a feasible and economical method

    目的探討背駝式原位肝移植術中採用體外門-體脈無泵轉流的臨床效果.方法4例行背駝式原位肝移植患者,腸系膜下脈屬支插管經體外硅膠管(充滿肝素鹽水)與頸內脈或鎖骨下脈插管相接,在阻斷門脈后開通腸系膜下脈插管,門脈血從體外無泵轉流管流入上腔脈,觀察轉流前後腸道瘀血、門脈壓、血壓、脈搏等變化情況.結果門脈阻斷后腸道明顯瘀血、腫脹,門脈壓明顯高,血壓、脈搏有不同程度的波動,無泵門脈轉流開放后,腸道瘀血、腫脹明顯好轉,門脈壓逐漸恢復正常水平,血壓、脈搏恢復正常.結論背駝式原位肝移植術中體外門-體脈無泵流具有方便、經濟、實用等優點,具有良好的臨床效果
  3. 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,邊界保溫,水庫蓄水過程,澆築間歇以及灑水養生等因素;應場的計算考慮了混凝土的自重,水壓,溫度應,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。
  4. The research result indicated : for the strip primary mirror discussed in this article, the hexagon light - weighted cell has the best structural rigidity quality, the square cell is a little worse, the triangle cell is the worst ; there is an optimum on primary mirror thickness ; on condition of 1g gravity load combining with 4 centigrade uniform temperature rising, the thinner and higher of the flexible support reed, the better of the primary mirror surface figure. the decision of the structural parameters of the flexible support reed must take static rigidity, dynamic rigidity, static strength and dynamic strength of primary mirror assembly into account

    研究結果表明:對于本文的長圓形主鏡,採用正六邊形輕量化孔,鏡體結構剛性品質最好,正方形次之,正三角形最差;主鏡鏡體厚度存在最佳值;主鏡組件在1g重、均勻溫4共同作用的工況下,主鏡柔性支撐簧片厚度越小、高度越高,主鏡綜合面形誤差( p - v值)越小,但同時主鏡組件的剛體位移增大、固有頻率下降,因此柔性支承結構參數的確定要綜合考慮主鏡的綜合面形誤差和主鏡組件態剛度、動態剛度、態強度和動態強度等因素。
  5. Specifically, agmatine at high dose ( 20 mg / kg ) induced a delayed increment of hemodynamic parameters in ds hypertensive rats but not in dr rats. ( 2 ) idazoxan ( 2. 5 mg / kg ), an antagonist for i2 over irimidazoline receptors and oi2 - adrenoceptor receptors ( a2 - ar ), only partially blocked the effects of agmatine ( 10 mg / kg )

    需特別提出的是, ds高血壓大鼠在注高劑量腑丁胺q0mg從g )后,各項血流動學指標出現先降低而後高的現象,這一結果在dr正常血壓大鼠並未出現。
  6. Upon above advantage, we can realise that the airboat is very suitalbe for every advertising company and enterprises, low cost, high efficiency, it brings the commercial advertising from the groung to the sky, from the static to moving, from silence to soundable, the shape of streamline is adopted to have very good ability of anti winding, stable flying and agility, it can take off vertically, forwarding or backwarding, presenting a fully new carrier to advertising circles, becoming a focus of people in the world

    綜合以上的優點不難看出,遙控飛艇非常的適用於各廣告公司,各種企業購買使用,成本低,見效快,它將商業廣告從地面發展到空中,由態變為動態,由無聲變有聲,遙控飛艇採用流線外型,氣動性能好,抗風能強,飛行平穩,機動靈活,可垂直起落,俯沖爬,前進後退,空中懸停,拋撒資料,施放彩色煙霧,空中攝影攝像等,向廣告界展示了一個新穎的廣告載體。
  7. The recent divergence in the spot exchange rates of the hong kong dollar and the renminbi and the calm reaction in the hong kong dollar exchange rate when the renminbi had breached psychological levels, suggested that the efforts to manage market expectation and decouple the psychological relationship between the exchange rates of the two currencies had been quite successful

    近期港元與人民幣的現貨匯率走勢各異,以及港元匯率在人民幣穿心理關口時反應平,顯示金管局在管理市場預期及消除人民幣值對港元造成的心理影響方面所作的努頗為成功。
  8. Lam of the hong kong observatory left discussing with the chief of the wmo pws division, ms. haleh kootval right, on the preparation of the wmo guidelines on capacity building strategies in public weather services

    香港天文臺林芝女士左與世界氣象組織公眾天氣服務部門主管haleh kootval女士右討論有關草擬提公眾天氣服務能策略的世界氣象組織指引。
  9. The static triaxial test of two engineerings shows that the breaking strength of asphalt concrete declines significantly as the temperature rises and the strain increases noticeably when breaking. increase in the asphalt content leads to decrease in tangent modulus and cohesion, but the internal friction angle tends to increase. increasing confining stress results in the augment of the maximum stress and the ultimate value of volumetric strain

    兩個實際工程的三軸變形與強度試驗表明,隨著溫度高瀝青混凝土破壞強度明顯降低,破壞時應變明顯加大;瀝青含量的增加會導致切線模量和凝聚降低,但內摩擦角趨于增加;周圍壓增大會導致最大應_ d增大,其體變壓縮極限值也越大。
  10. Teco s construction department forged an alliance with sqire mech, singapore in 1994 developing a project engineering management system on the implementation of various projects, in addition, unceasingly improving our construction skills and engineering planning abilities under the technical supports of our consultant team. presently, teco further integrates engineering information websites to master substantial information and progress of respective projects at any time, so that various management levels can control those projects through the internet to achieve the optimal development of the entire personnel control and services

    東元工程事業單位一向以誠實踏實務實的態度,以提人類生活品質為宗旨,不斷創造出顧客滿意的國際級工程品質,時時滿懷感激的心,關懷社會重視環保,為人類塑造一個清健康舒適的環境而努不懈,善盡企業為社會公器之責任。
  11. The authour investigate the dosing conditions and effect of the pac to the huanghe water - source, which includes the following four parts : the selection of the pac ; the confirmation of dosing scheme and effect of the pac ; the research of application of potassium permanganate in combination with pac ; the research of the pac ' s modification and the modified effectiveness. the experiment is mainly carried out on the pilot system in the jieyuan water plan of tianjin. the results of the reseach include the following : l ) the pac from zunhua plant is selected as the better carbon for the source water of tianjin through the experiment ; 2 ) through the pilot experiment we conclude that the pac ' s best adding point is the mixing tank and the better dose is 10mg / l, on which the codmn of filtered water can be decreased to 40 % and the effluent have no problem of odour and color ; 3the adsorbing experiment show that pac mainly adsorb the organic matters which molecular wt., distribution between 500 and 3000, and can adsorb organic matters whose molecular wt., distribution are bigger than 6000 if the dose of it is adequent ; 4 ) pac together with potassium permanganate can remove the organic matter more effectively than each of them alone, and reduce the rising trend of turbidity of the flotation ' s effluent due to adding pac ; 5 ) the thesis made a research on the surface properties and the adsorbing capability of the modified carbon by oxidizer : the modified carbon with 20 % h2o2 can remove more organic pollutants than the untreated one by 12 % when we add a higher dose of coagulant ; 6 ) the modification of reduction and loading metal ions are also sttldied, and drow the following conclusions : the modified carbon with 5 % ammonia can enhance the organic matter ' s removal effectiveness by 10 % to the tianjin source water than the untreated one, and the modified one with loading metal ion remove the organic matters from the tianjin source water better ( 8 % ) than the untreated one due to the strong affinity betwween the humic acid and copper ion

    本文的實驗主要是在天津芥園水廠的中試系統上完成的,論文的成果和結論主要包括: 1 )通過態實驗選定河北遵化活性炭廠生產的煤質炭為適合天津原水的炭種; 2 )中試實驗確定粉末活性炭的較佳投加點為混合池投加,較佳投加量為10mg l ,此時可使濾后水的cod _ ( mn )降低40 ,且可較好地控制濾后水的嗅味和色度; 3 )初步確定粉末活性炭對原水中有機物的吸附主要集中在分子量在500 - 3000范圍內,投量增大時可吸附部分分子量大於6000的有機物4 )中試實驗表明:粉末活性炭與高錳酸鉀聯用可取得較兩者單獨應用時對有機物更好的去除效果,且對因投加粉末活性炭而造成的氣浮出水濁度高有一定的改善作用; 5 )研究並初步確定氧化改性對粉末活性炭表面性質和有機物的去除效果的影響:粉末活性炭的氧化改性會使其表面的酸性官能團大量增強,表面極性增加;經20的過氧化氫改性的活性炭在增大混凝劑投加量( fecl _ 3投量為15mg l )時對有機物的總體去除效果較原活性炭提高12 , 1次氯酸鈉改性活性炭對有機物的去除效果較原活性炭提高6 ; 6 )研究並初步確定還原改性、負載金屬離子對原水中有機物的去除效果的影響:經5氨水改性的活性炭可提高天津源水中有機物的去除率達到10 ;負載銅離子后的活性炭可提高對腐殖酸類物質的去除能,一般可提高8左右。
  12. This paper, in allusion to damage of expansion joint of bridge, introduces a sort of new structure of jointless device - semi - integral abutment jointless bridge, and establishes model of general structure finite element of this bridge, and in details analyses its qualities of stress. the model considers the interaction of superstructure - substructure - soil. resistance of the soil behind abutment adopts still soil pressure and elastic resistance when the temperature rising, but active soil pressure when dropping. analysis of qualities stress of bridge includes of action of dead load, car load, temperature load of season character. taking an 100m length pc semi - integral abutment jointless bridge as instance, the paper establishes the model of plane frame by applying large common software - anasys, and analyses it by elastane and large deformation to imitate character of stress and deformation of general bridge. at the same time corresponding models of finite element of joint bridge and integral abutment bridge are established, and unique stress and performance of structure of semi - integral abutment jointless bridge are researched by comparing and analysing character of three different models under same loading, and controlling factor of design and constitution are generalized. in conclusion, for semi - integral abutment jointless bridge, on one hand shear, moment and deflection of the main beam and axis force of substructure are approximate with that of joint bridge, and integral stifmess of structure is increased and damage of expansion joint is eliminated, on the other hand there is axis force in main beam, shear and moment of substructure are bigger than that of joint bridge. in all this type of jointless bridge has rational stress and is worth of application and popularization

    半整體式橋臺無縫橋梁計算模型考慮了上部結構-下部結構-土的共同作用;臺後土抗溫時採用止土壓加彈性土抗,降溫時採用主動土壓;分析橋梁受性能時考慮了結構自重、車輛荷載和季節性溫變荷載的作用。以一座橋長100mpc半整體式橋臺無縫橋梁為實例,採用大型通用軟體ansys建立平面框架模型,進行彈性、大變形分析,模擬全橋受和變形特點;同時建立與此對應的有伸縮縫橋梁和整體式橋臺無縫橋梁有限元模型,通過三種橋型同步加載對比分析,研究半整體式橋臺無縫橋梁獨特的受特點和結構性能,總結其設計控制因素和構造要求。通過本文研究知:半整體式橋臺無縫橋梁主梁的剪、彎矩、撓度和下部結構的軸與梁式橋相近,結構整體剛度增大,併除去了伸縮縫病害;但主梁增加了軸,下部結構剪、彎矩較梁式橋大;綜合分析是一種受合理有實踐和推廣價值的橋型。
  13. The analysis of dry pv shows that the high pv dominate the area of typhoon, the higher is the center value of pv, the stronger is the typhoon. lt is also shown that the most important reason resulting in rainstorm is the cold air ( high pv ) which spreads to south from the upper troposphere or lower stratosphere and transports into the warm air. the joining situation of upper and lower pv area make vortex develop. pv transpotation reduces static stability, which increases the releasing of instability energy and makes rainstorm amplify

    對干位渦的分析表明:臺風或臺風環流區為高值位渦區,臺風越強,位渦中心值越大;對流層上部或平流層下部冷空氣(高位渦)的擴散南下與暖濕氣流的交匯是造成特大暴雨的重要原因,因為上游斜壓性的發展使對流層頂發生折疊,平流層與對流層相互作用增強,上下位渦區相接的形勢使低層渦旋發展,上運動加強,位渦的下傳有效地降低了穩定度,有利於位勢不穩定能量的釋放,使得暴雨增幅。
  14. Topics include the principles of conservation of mass, momentum and energy ; hydrostatic behavior of floating and submerged bodies ; lift and drag forces ; dimensional anaylsis ; wave forces on ships and offshore platforms ; laminar and turbulent flows

    主題涵蓋質量守恆、動量守恆及能量守恆等原理、浮體及沈體之流體行為、、拖曳、因次分析、船舶及離岸平臺上作用的波、層流及紊流。
  15. For the first current plateau , two kinds of sequential resonant tunneling of - process and - x process are observed in the wide barrier gaas / alas superlattice under various pressures for p < 2kbar , the high field domain is formed by - process , while for p > 2kbar , the high field domain is formed by - x process when the barrier width was decreased to 2nm, we found that ground - state -

    對于寬壘( > 3 . 5nm )的gaaa / alas超晶格,當流體超過臨界壓2kbar后,平臺寬度隨壓高而收縮。對于窄壘( 2nm ) gaaa / alas超晶格, u - i曲線上的平臺將不隨壓變窄。
  16. Firstly, this article describes the superiority of rmg in container ' s handling in container storage yards by doing comprehensive compare between rtg and rmg in economy, technology and processing. secondly, the statics analysis and research to the frame of rmg has been done by the way of ansys6. 1. in addition, it analyzes and researches the hoisting system in steel - wire rope, and gives the new scheme of that system, so that further enhances technical capability of rmg

    本文首先通過對rmg與rtg在經濟上、技術上和工藝上的綜合對比,使rmg在集裝箱碼頭堆場裝卸作業中的優勢得到了全面地展現;其次,利用ansys對rmg門架結構進行分析和研究;另外,也將對rmg起機構的鋼絲繩卷繞系統進行分析和研究,提出新的卷繞系統方案,以此來進一步提高rmg的技術性能。
  17. And we can still put aero updates on the cars without track testing, make some engine improvements, and run the cars on static testing rigs

    我們在三條賽道上使用的輪胎將會非常不同,我們仍然可以給賽車級空氣動學,只要不在賽道上進行測試,為引擎做一些改進,以及在態測試平臺上啟動賽車。
  18. The modal analysis result shows that the vertical and horizontal frequencies of dps undeployed are high enough and suffice the dynamic stiffness requested for launching. but the large spread length and light weight effect the low frequency of dbs deployed, so considerations should be taken to the effects of other systems of the satellite. the static analysis result shows that the displacements of the dbs are small under the joint affect of vertical and horizontal loads, and stresses are low, so the stiffness and intensity are good enough

    模態分析結果表明伸桿收攏狀態的軸向和橫向頻率都比較高,可滿足發射空時的動剛度要求;分析結果表明伸桿結構在衛星處于發射段和上段時,在軸向和橫向過載聯合作用下變形均較小,剛度足夠;其應水平亦較低,強度儲備較大。
  19. Existing theories concerning internal promotion and external recruitment are mainly static and equilibrium ones as chan model. the viewpoint in this thesis is that external recruitment of managers is a persistent phenomenon during economic development because of asymmetric information in the manager market. external recruitment is a procedure for enterprises to discover information of managers " ability

    既有的內部晉和外部聘用的理論主要是以chan模型為代表的態均衡模型,而本文的主要觀點是:企業通過外部市場聘用管理人員是經濟發展過程中的持續現象,這種現象之所以持續存在,是因為管理人才的信息在市場上是不對稱的,企業聘用外部管理人才的過程是一個管理才能的信息發現過程,企業利用自己的信息優勢上有管理者創新的部分收益也是企業得以發展的動之一。
  20. If you develop the path of virtue, concentration, and discernment to a state of calm well - being and use that calm state to look at experience in terms of the noble truths, the questions that occur to the mind are not " is there a self

    如果你培養了戒德、定、明辨,達到一個寧的狀態,在這個狀態下,以四聖諦的原則看待經驗,在心中起的問題就不是「有沒有自我
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