重力試驗 的英文怎麼說
中文拼音 [zhònglìshìyàn]
重力試驗
英文
gravity test- 重 : 重Ⅰ名詞(重量; 分量) weight Ⅱ動詞(重視) lay [place put] stress on; place value upon; attach im...
- 力 : 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...
- 試 : 名詞(古代占卜用的器具) astrolabe
- 驗 : 動詞1. (察看; 查考) examine; check; test 2. (產生預期的效果) prove effective; produce the expected result
- 重力 : [力學] gravity; force of gravity; gravity force; power of gravity; pull of gravity; gravitational...
- 試驗 : trial; experiment; test
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On the basis of many related data from abroad, this thesis is an attempt to simulate the hydrodynamic characters of abyssal gravity cages under the action of currents and waves
本論文正是從這一點出發,根據國外有關抗風浪網箱資料,在試驗室中模擬深水重力式潛網在水流、波浪作用下的受力特性。They are jinfo mountain in nanchuan county ( natural protection section ), wuling mountain in qianjiang county ( national emphases forest demonstration county which forest cover rate is beyond 50 % ) and zhongliang mountain in beibei county ( artificial destruction is very grave ). some main land use patterns i. e. woodland, garden, infield, abandon infield, shrub and grassplot are selected in those three sample sites. four aspects on soil fertility index of karst environment under different land use patterns in these three sample sites, are revealed in this paper, by using the field test, indoor measure and analysis, outdoor experiment and field investigation, and the knowledge and technique of soil, ecology, physics and chemistry etc. they are physical characteristic ( effective soil thickness, organic layer thickness, soil texture, water - stable aggregate and soil water etc. ), chemical fertility ( organism, omni - n, omni - p, omni - k, alkali - nitrogen, available p, available k and rapid available k etc. ), soil animalcule ( bacteria, fungi, actinomyces and their grosses ) and soil - seed - pool ( plant community diversity index ) in karst ecosystem
本研究以重慶市的南川金佛山(自然保護區) 、黔江武陵山(國家重點退耕還林示範縣,森林覆蓋率50以上)和北碚中梁山(遭人為破壞嚴重)典型巖溶區為對象,選擇了幾種重要的利用方式,包括林地、果園、耕地、棄耕地和灌草坡,採用野外巖溶生態調查和室內試驗測量分析相結合的方法,以不同土地利用方式巖溶土壤肥力為重點,對不同土地利用方式土壤肥力特徵進行量化分析,找出巖溶土壤肥力差異的主要方面及其根本原因,論文主要從土壤剖面物理退化指標(有效土層厚度、有機質層厚度、質地、團聚體、水分含量等) ,化學肥力退化指標(有機質、全n 、全p 、全k 、堿解n 、速效p和速效k等) ,樣地土壤微生物指標(細菌、真菌、放線菌數量及總量)以及樣地土壤種子庫植物群落多樣性等4個方面對重慶典型巖溶區的土壤肥力特徵進行了較為詳細的分析研究,為巖溶地區士壤資源的合理利用及結構的調控管理提供依據。Because it is impossible to adjust the air bearing absolutely balance, the difference between mass center and rotation center must lead to a notable gravity disturbance torque. in the process of identification, modeling and identification of gravity disturbance torque is considered, and an extended kalman filter is educed for identifying air bearing inertia matrix and gravity disturbance torque, and then the algorithm is validated
由於氣浮臺平衡調試方法和手段的限制,實驗過程中氣浮臺質心與轉動中心有一定的位置偏差,必將導致較大的重力干擾力矩,在辨識演算法的推導過程中,重點考慮了重力干擾力矩的建模和參數辨識問題,推導了氣浮臺的轉動慣量和重力干擾力矩辨識的擴展卡爾曼濾波演算法,並對演算法進行了數學模擬和全物理模擬驗證。Because of the technical complexity of the turbine for the three gorges project and on the basis of several important technical problems which have been defined in the international bidding documents for 14 generating units in the left bank power station, the owner of the project has decided another some important technical problems based on appraisal and comparison in the bid appraisal stage after the bidding documents are analyzed and the tender documents are cleared by the tenderers
由於三峽工程水輪機技術上的復雜性和挑戰性,在左岸電站14臺機組國際招標文件已明確了若干重大技術問題的基礎上,在機組議評標階段,對招標文件進行分析和投標商對投標文件進行澄清說明后,經評議比選,業主又決策了幾個重大技術問題,主要有:水輪機設計水頭的確定,負傾角葉片水輪機的應用,兩套水力設計,舍棄初期轉輪,蝸殼進行水壓試驗等。Multispectral data for bathymetry is often performed in relatively clear shallow waters, up to now, no one use multispectral data for bathymetry in estuary waters of yellow river, where the highest sediment concentration in the world has been observed. in another part of this thesis, multispectral data acquired by landsat - 5 tm and in situ data are used for bathymetry in estuarine waters of yellow river. statistical models based on one band and two bands of tm respectively are developed
利用兩期水深的比對可以揭示黃河水下三角洲的沖淤演變規律,但由於實測水深資料獲取較為困難,因而利用遙感來反演水深是一個重要的選擇,為此,本文在黃河口海現代黃河三角洲沖淤演變規律與遙感應用研究端走取兩個試驗區進行了多光譜遙感水深反演試驗,試驗結果表明,在極高泥沙濃度、較強水動力條件的黃河口海域,用多光譜遙感反演水深是可行的。To study the flexural behavior, ultimate bearing state and laws of internal force redistribution of prestressed concrete continuous beams cast by different construction methods, the model tests for three pieces of the continuous beams were carride out, in which three kinds of the construction methods, such as those of lowering formwork supports at one time, transferring simply - supported structure into the continuous one and casting the beam by cantilever construction, were considered
摘要為研究不同施工方法下預應力混凝土連續梁的彎曲性能、極限受力狀態及內力重分佈規律,進行了3根連續梁模型試驗,分別考慮一次落架、簡支變連續和懸臂施工3種施工方法。It canbe determined the enhancing effect of new steel fiber to shear resistance of beams by the test of tensile strength of steel fiber reinforced concrete, it is important to reduce test cose and increase research efficiency
可以通過鋼纖維混凝土抗拉強度試驗來確定新品種鋼纖維對梁斜截面上混凝土受剪承載力的增強作用,這對于降低試驗成本和提高研究效率具有重要工程價值。The exact abundances of the three lightest elements are an important test of the so - called standard model of physics ? the list of fundamental particles found so far and the forces that link them
物理標準模式理論中有一項極為重要的試驗,該試驗檢測的是宇宙空間中3中質量最輕元素的確切豐度,即需要列出到目前所發現的基本粒子與將它們融合起來的各種作用力。Unmanned air vehicle ( uav ) plays a very important role in nowadays research. recently, the applied range of the uav has expended into military, civil and scientific research scopes : in military scopes, it can be used to be detectors and monitors, electronic countermeasure, fire guidance, war evaluation, target simulation etc ; in civil scopes, it can be used to geodetic survey, detect urban environment, survey globosity resource, prevent forest - fire, pretend environment and succor disaster etc ; in scientific research scopes, it can be used to survey and research atmosphere, also it can validate new technology and now facility
隨著時代的發展,無人機在社會的各個領域起著越來越重要的作用,近年來,無人機的使用范圍已拓展至軍事、民用和科研三大領域:在軍事上,可用於偵察監視、電子對抗、火力制導、戰果評估、目標模擬等;在民用上,可用於大地測量、地球資源勘測和森林防火、環境保護與災害救援等;在科研上,可用於大氣研究、氣象觀測、新技術新設備的試驗驗證等。The analysis of the repeated test data shows the maximum deviation of air drag coefficient is less than 0. 88 % and the deviation of the most surface pressure data is within 1 %, it illustrates the test data is reliable
重復試驗的數據分析表明,空氣阻力系數數據的最大偏差小於0 . 88 ,絕大部分測壓試驗數據的偏差均在1以內,這說明客車模型風洞試驗數據的精度較高。The paper discusses mechanism performance, durability and resistance to de - icing salt concrete, this kind of concrete is made with air - entraining agent or silica fume and used in the trial section construction of benxi - dandong freeway ' s charge square which is located in dandong
本文通過在混凝土中摻入引氣劑或硅粉,來配製抗除冰鹽混凝土,並對其進行力學性能和耐久性測試,重點試驗其抵抗鹽凍能力,並用於本丹高速公路丹東段的收費廣場試驗路施工。In this paper, for the bonding between the sling screw - thread - based and composite hull based on the underwater weapon composite, the bonding structure design, process design and leakproof technology between the load - bearing metal parts and composite hull are studied. with the further investigation on tensile test of the sling screw - thread - based the common technology of bonding between load - bearing metal parts and composite hull is obtained, which establishes the experiment and theory base for the technology of underwater and deepwater weapon in china
本文以水下兵器為背景,以某型號雷體吊耳螺紋座與復合材料殼體的膠接為研究對象,著重進行了金屬承力件與復合材料殼體的膠接結構設計、工藝設計、膠接防滲技術的研究,並進行吊耳螺紋座拉力試驗研究,最終獲取了水下兵器用金屬承力件與復合材料殼體連接形式的共性技術。Test method for specific gravity of halogenated organic solvents and their admixtures
測定鹵化有機溶劑或其攙合物有效重力試驗方法The quick cable - releasing hanger of our company adopts many advantages of various factories at home and abroad, has the characteristics of operation is flexible, weight is light, cable - fastening is safe, cable - releasing is quick, every hanger undergone strict processing, assembly and examination, and meet a criterion of iso 9001 quality system, it was examined on tensile test before the products levaing the factory that can meet the requirements of safe and long time operations at ope wharf
我公司生產的快速脫纜鉤吸取了國內外各廠家產品的優點,具有操作靈活,重量輕,系纜安全,脫纜快速等特點,每個鉤子都經過嚴格的加工裝配及檢驗程序,符合is09001質量體系要求,出廠前都經過拉力試驗檢驗完全能夠滿足於碼頭露天安全長壽命操作的要求。By acquiring the structure and environment parameters, the active control can greatly reduce the vibration on the model and the supporters caused by the unsteady aerodynamic force which badly influences the experienced data precision
在進行風洞試驗時,受非定常氣動力的作用,模型會與天平、支桿和支架一起產生振動。模型劇烈的振動嚴重影響風洞測力試驗數據的精度。Standard test method for conducting drop - weight test to determine nil - ductility transition temperature of ferritic steels
進行下落重力試驗以測定鐵素體鋼尼爾延展性過渡溫度的標準試驗方法Sponsored by the national natural science foundation under the national key project “ the modern method and system for remote pseudo dynamic testing of structures under earthquake simulation ” ( 50338020 ), some studies on the method for remotely collaborative hybrid dynamic testing of substructures and structural elements have been carried out in this thesis. the main research achievements are summarized as followings : based on the network communication platform netslab ( networked structural laboratories ) developed by the research group, the rational framework of a platform for remote pseudo dynamic testing applications of substructures and structural elements is proposed and a robust standardized platform entitled netslab - sdof has been developed for remotely collaborative hybrid dynamic testing of single story structures with visual basic program language
本文結合國家自然科學重點資助課題「現代結構擬動力地震模擬協同試驗方法與系統」 ( 50338020 ) ,對結構遠程協同擬動力試驗方法進行了研究,主要成果如下:基於課題組開發的網路平臺netslab ,搭建了結構遠程協同擬動力試驗平臺的構架,採用visualbasic語言開發了一個標準化的開放式單層結構遠程協同擬動力試驗平臺netslab - sdof ,它由控制中心、真實試驗機、虛擬試驗機和遠程觀察器四個模塊組成。In this thesis, a series of single and double - direction - load tests are carried on the single plate framing connection between truss - steel beam and concrete wall often used in tall - building. by single - direction - load tests, the flexure capacity of the joints in use of different design is researched in particular, the effect of bolt design on the flexure capability is analysised ; based on the cyclic loading experiment, such characteristics of the anchors are analyzed -. bearing capacity. rigidity, ductility, hystersity capacity, energy dissipation and failure phenomena
通過單向靜力試驗,研究了單剪板連接的不同設計對鋼架梁的約束能力的變化,重點討論了螺栓的設計對約束能力的影響;通過周期性反復加載試驗研究了不同設計的單剪板連接預埋件的抗震性能的不同,重點分析了結構的承載能力、剛度、延性、滯回性能、耗能能力及其破壞特徵等。In the pseudo static tests of the middle joint and border joint, the failure modes, the carrying capacity, the ductility, the hysteresis loops and the stress transfer mechanism of the src column and steel beam joints under seismic loads are researched, which are compared with rc beam - column joints and src beam - column joints
通過中柱節點和邊柱節點的擬靜力試驗,著重分析了勁性柱?鋼梁節點在模擬地震作用下的破壞形態、承載力、延性、滯回特性與應力傳遞機制,並與鋼筋混凝土節點、勁性混凝土節點進行了比較。Scientists certainly make mistakes, and also seek to present their results in the most favourable light, but the scientific peers of an author who review his work for publication cannot be expected to repeat and verify it, so they have to start from the assumption that any manuscript they receive is telling the truth as the author sees it
科學家們當然會出錯,也努力美化其研究成果,然而,科學家的研究報告多由其同僚復審,而同僚們無法重復試驗或核實其真假,因此他們帶著這樣的假設開始復核:他們所拿到的任何研究報告草案都是作者所親見的真實。分享友人