系留試驗 的英文怎麼說
中文拼音 [xìliúshìyàn]
系留試驗
英文
tether test-
Based on re - classification of abbott - firestone curve into three zones, surface bearing index, core fluid retention index and valley fluid retention index were introduced to evaluate the bearing capability and lubricant retention property of a machined surface. the changing tendency of these three indexes was also made clear through experiments, and the relations between them and fractal parameters were built up. at last, it was found that the coefficient c is also suitable to evaluate the bearing capability and fluid retention property of a machined surface
本文在重新劃分abbott - firestone曲線的基礎上引入了表面承載指數、核心區液體滯留指數和谷底液體滯留指數三個指標分別評價表面承載性能和儲油性能，同時通過試驗找到了這三個評價指數的變化規律，最後建立了它們和分形參數之間的關系，並發現尺度系數同樣可以用來評價表面的承載性能和儲油性能。During the tie - down test, the ground screw came off with the rope, the humming bird tipped over and both its rotors were broken
在地面系留試驗中，地面人員不慎脫手，該機翻倒在地面，兩套旋翼都折斷了。South high temperature and wet climate easily leads asphalt pavement to water damage, this writer participated in the guangdong meihe highway asphalt pavement construction, mainly through the asphalt mixture marshall immersion test, splitting freeze - thaw test anylyze asphalt mixture types and asphalt content ' s influences to the water stability, and gives the linear fitting relationship about the soaking remnants stability and freeze - thaw splitting strength and oil - stone ratio. and water stable indicators and the oil - stone ratio ' s second linear fitting relationship, finally stressed asphalt and asphalt amount significance to water stability
摘要通過瀝青混合料的浸水馬歇爾試驗、凍融劈裂試驗分析了瀝青類型及瀝青用量對瀝青混合料水穩定性的影響，並給出了浸水殘留穩定度與凍融劈裂強度與油石比的線性擬合函數關系，以及水穩性指標與油石比的二次函數關系，最後指出改性瀝青和瀝青用量對混合料水穩定性的意義。This text completely and systematically studies the status and the development of the pyrolysis and the fluidization of biomass, which distill the bio - oil in the domestic and international area, as well as the existing problems. this thesis primarily include following aspects : ( l ), by experimenting and measuring the energy ( heat value ) and the content of c, h, n chemical element of right 20 kinds of common biomass, on the base of the experimental result, and respectively established the biomass energy predict experiment formula with the element of h and c is from change, and passed the ro. os examination, which provides the basis and convenience for flash pyrolysis fluidization device energy to convert the rate to compute with biomass energy utilization calculation ; ( 2 ), proceeded the tg and dtg experimentation equal velocity ( 10 ? / min, 20 ? / min, 40 ? / min, 60 ? / min ) heating and constant temperature heating by studying on eight kinds of biomass samples, according to the experimental data and arrhenius formula, we established the dynamics model of pyrolysis of, then, using the goast - redfern and p function, we also solved the dynamics parameters and analyze out every kind of biomass ' s frequency factor and parameters of activation energy, and established the every kind of dynamics model of pyrolysis of biomass, all of these provide the theories and basis to make sure the reactor ' s flash pyrolysis work temperature scope design and the describing of pyrolysis reactor dynamics ; ( 3 ), in order to study and ascertain the process of heat completely getting to pyrolysis time of varied size biomass particles, we observed and measured the ratio of length and diameter ( l / d ) with the varied biomass through electron microscope, we concluded the l / d ratios usually is from 5. 0 to 6. 0, the average is 5. 3 ; ( 4 ), we studied the process of biomass transiting and the theory of complete pyrolysis time with the theory of complicated heat field, we got the time ( t ) of the varied size biomass particles arriving to complete pyrolysis, and we knew that the complete pyrolysis time and the time which get to the biggest production ratio are identical, all of these studies provide the theory base for design and forecasting the flash pyrolysis reactor solid state resort time ; ( 5 ), according to the above experiment result, synthesize to make use of the engineering the mechanics, engineering the material, machine the design to learn the principle, deduce, establish the theory of rotation cone flash pyrolysis reactor material resort time ( t ) and reasonable rotation velocity ( or frequency ) relation theory ; and ( 6 ), we gave the reactor ' s smallest cone angle certain, reactor cone wall strength design theory, the reactor production ability theory, the power design method and the critical rotation velocity theory
本文較全面、系統地綜述了國內外生物質熱解液化制取生物燃油技術研究發展現狀及存在的問題，主要研究內容有： （ 1 ）實驗、測定了20種常見生物質的能量（發熱量）和c 、 h 、 n元素含量，根據實驗結果分別建立了以h和c為自變量的生物質能量預測經驗公式，並通過r _ （ 0 . 05 ）檢驗；為閃速熱解液化裝置能量轉化率計算和生物質能量利用率計算提供了依據和方便； （ 2 ）選擇了8種生物質試樣作了等加熱速率（ 10 min 、 20 min 、 40 min 、 60 min ）和恆溫加熱的tg和dtg實驗，根據實驗數據和阿倫尼烏斯公式建立了生物質熱解反應動力學微分方程，並採用goast - redfem積分法和p函數對其動力學參數進行了求解，解析出各種生物質的頻率因子和活化能參數，進而建立了各種生物質的熱解動力學模型，為科學確定反應器的閃速熱解工作溫度范圍及熱解反應動力學描述，提供了理論和依據； （ 3 ）為研究和確定不同尺度的生物質顆粒中心達到全熱解的時間，在體視顯微鏡下對不同粒度的生物質顆粒的長徑比進行了實驗觀察和測定，得出生物質的長徑比（ l d ）一般在5 . 0 6 . 0之間，平均為5 . 3的結果； （ 4 ）採用復雜溫度場傳熱學理論對生物質傳熱過程及充分熱解時間理論進行了研究，解析推導出了不同尺寸生物質顆粒中心溫度達到充分熱解溫度的時間（ t ） ，得出了理論推導的充分熱解時間與最大產油率的熱解時間相一致的結果，為閃速熱解反應器固相滯留時間設計和預測提供了理論依據； （ 5 ）根據上述實驗結果，綜合運用工程力學、工程材料、機械設計學原理，推導、建立了轉錐式閃速熱解反應器物料滯留時間（ ）與轉速（或頻率）合理匹配理論； （ 6 ）提出了轉錐式閃速熱解反應器的最小錐角設計、錐壁強度設計、生產能力設計理論和功率計算方法及臨界轉速理論等。Although attention has been given to make the ant build script cross - platform, the file viewer application has only been tested and verified on microsoft windows xp and red hat linux 8 operating systems
雖然一直留心使ant構建腳本可以跨平臺使用，但是我們只在microsoft windows xp和red hat linux 8操作系統上測試和驗證了文件查看器應用程序。Test method for detention hollow metal vision systems
拘留用空心金屬可視系統試驗方法It is divided into four parts to illustrate the environmental tests management system, including organization structure & labor source management system, tests process management & controlling system, tests information management system and quality guarantee system. firstly, it begins from organization structure of environmental tests, to look into the suitable organization structure, which applies to the environmental tests development, this thesis suggests the changing from original beeline organization structure to combinative organization structure of beeline function & matrix organization structure. it also investigates the labor source management and discusses under this new structure, presenting the system which meets the demand of existent military equipment development ; then, using relative concepts of queuing theory to solving the tests orders reasonably makes the minimum time for products in lab
首先從環境試驗的組織結構入手，研究適合環境試驗發展的組織結構，提出將原來的直線制組織結構轉變為直線職能制和矩陣制相結合的組織結構，並探討在這種結構下的人力資源管理和績效考評、提出適應目前軍用裝備發展要求的環境試驗組織機構與人力資源管理體系；然後從環境試驗過程管理的角度出發，運用排隊論的有關概念，合理解決試驗排序，使產品在實驗室的停留時間最短，並建立試驗過程管理與控制體系；從試驗信息的重要性角度出發，探討試驗信息收集與反饋的一般方法及建立環境試驗數據信息庫的重要性；最後從質量管理的角度出發，研究環境試驗內部質量保證部門的作用與職能，運用服務質量環的原理構建了環境試驗的質量保證體系。Combining physical experiments and theoretical analysis, this literature has performed thorough research on gas properties of delivery pipeline system, pressure current rush to interception air - mass in pressure pipeline, water hammer with gas that happens with gas releasing and liquid column separating
本論文通過物理試驗與理論分析對輸水管道系統中的氣體特性、壓力水流沖擊截留氣團和包含氣體釋放和液柱分離現象的含氣水錘進行了深入研究。The major achievement of this dissertation is outlined in the following : 1. investigate the potential effect of switch routing on end - to - end service quality with both theoretical and experimental methods : it is found that service quality of lsp is better than that of ip routing if load on router is low or end - to - end bandwidth reservation is implemented, but lsp is more sensible to load on router. mpls must be used in company with policy based routing and packet classification to provide end - to - end qos service in internet ; 2
使用理論分析和實驗測試相結合的方法詳細分析了交換路由對端到端傳輸質量的影響：研究表明，在鏈路輕載或預留帶寬的情況下，交換路由系統對數據流的服務質量優于傳統路由系統；只有綜合應用策略路由、數據報分類調度和標簽交換才能有效實現internet環境下對端到端服務質量的控制； 2The first chapter in this paper provides a survey of data mining technology, and explains basic concepts, function and the whole framework of data mining and difficulties in developing and some future directions in association rule generation ; the second chapter introduce the basic concepts, brings forward a classification of association rule ; the third chapter give a deep research on algorithms of every kind of association rule, include mining single - dimensional signal - level association rule and multidimensional multilevel association rule, it describes these algorithm, point out some method to optimize this algorithm and test its quality with experiments ; the fourth and fifth chapter introduce the designs about association rule mining system basing on relation database visual foxpro in detail : according to system frame of the association rule mining, actualize a new mining algorithms and analyses every function module of program, at last further analyses the left problems in designs
本論文第一部分對數據挖掘技術進行了總體介紹，說明了基本概念、功能和系統總體框圖以及發展中的難點和研究方面；第二章對關聯規則基本概念的進行了介紹，提出了關聯規則的分類方法；第三章探討了挖掘各種關聯規則的演算法，從挖掘單維單層布爾關規則的經典的apriori開始，分析了挖掘單維、多層關聯規則的演算法，多維關聯規則的演算法到多維多值屬性關聯規則的演算法。文中提出演算法優化方法，並對其性能進行了實驗測試；第四部分、第五部分詳細介紹了基於關系型數據庫的關聯規則挖掘系統的設計構思，根據關聯規則挖掘系統結構框架，實現了基於visualfoxpro的關聯規則挖掘系統，其于採用了一個新型的基於關系數據庫的關聯規則挖掘演算法，提高了挖掘效率，並詳細分析了程序設計的各個功能模塊，最後就設計中遺留的問題進行了進一步的分析。The physical experiments and theoretical analysis indicate that rush pressure caused by current rush to interception air - mass in delivery pipeline system has much to do with the content of air - mass. the maximum rush pressure occurs not under the condition - much lower or much higher content of air - mass, but when the initiate volume of interception air - mass makes up 1 ~ 2 % of total pipeline volume, maximum current rush to interception air - mass pressure happens
試驗研究表明，輸水管道系統水流沖擊氣團（囊）造成的沖擊壓力與氣團（囊）的含量有密切關系，截留氣團含量太多或太少所產生的沖擊壓力都不是最大，當截留氣團在一個大氣壓下的初始體積占管道總體積在1 2左右，水流沖擊氣團壓力最大。4. members considered the results of a number of simulations under the model and observed that, while they were not a perfect substitute for historical experience, simulations offered two main advantages : they allowed operations to be tested under extreme conditions ; and they provided opportunities to experiment with the design of the system
4 .委員會審閱了根據該模型進行的多項模擬測試結果，並留意到盡管模擬測試不能完全取代以往取得的實際經驗，但模擬測試有兩項主要好處：可分析貨幣發行局制度受到極端情況考驗下的運作，以及對系統的設計進行模擬實驗。Research on pressure current rush to interception air - mass in pipeline based on the study of gas properties in pipeline system, the research which was performed through physical experiments and mathematical modeling calculation, current rush to interception air - mass contents in different pipeline, the influences of different stop gate closing - velocities to pressure current rush to interception air - mass in pipeline and some other factors, were given much consideration on the influence of current rush to interception air - mass in pressure pipeline
2 、輸水管道系統中壓力水流沖擊氣團研究在對輸水管道系統氣體特性研究的基礎上，通過試驗對壓力水流沖擊截留氣團進行了研究，著重研究不同的截留氣團含量、不同的閥門關閉速度等對水流沖擊管道截留氣團的影響。The soil - nailed support system has been applied widely at home and abroad, but it is short of research on mechanism of interactive action between support structure and rock and soil medium especially soft - weak medium and some understandings rest on the stage of qualitative descriptions. current design theories base on engineering analogy. the systemic numerical tests on soil - nailed support are made utilizing the advantage of the fem method on quantitative research in this dissertation, the reinforce mechanism in quantitative aspect is pointed out, and the reinforce effects of support parameter and soil property parameter are abstracted so as to provide scientific basis for optimization design
土釘支護在國內外已得到廣泛應用，但對支護結構與巖土介質特別是軟弱巖土介質相互作用機理的研究還停留在定性描述階段，現行設計理論只能建立在工程類比基礎之上；本文藉助有限元方法在量化研究方面的特有優勢，對土釘支護進行了系統的數值試驗研究，試圖從量化的角度揭示土釘支護的加固機理，為優化設計提供較為科學的依據。Technical systems and aids for disabled or handicapped persons - wheelchair tiedown and occupant - restraint systems - requirements and test methods for all systems
殘疾人用技術系統和輔助器具.輪椅系留和乘員約束系統.全部系統的要求和試驗方法It is a serious issue that water and nitrogen input rates are unreasonable high in vegetable production in china, which may increase nitrate accumulation in vegetable and ground water contamination. in result, these will be harmful to people ' s health. the objectives of this paper which based on column % pot and micro - plot experiments were to compare the effects of different water and nitrogen supply strategies on nitrogen leaching in the soil profile and nitrate accumulation in vegetable as a base for the n and water recommendations in vegetable production
針對蔬菜生產中水氮投入過量造成蔬菜品質下降、地下水硝酸鹽含量超標，水、肥資源的浪費以及給人體健康造成的潛在性威脅的實際情況，以油菜和芫荽為研究對象採用模擬土柱、盆栽和田間微區試驗相結合方法系統監測了蔬菜生育期內硝酸鹽含量的動態變化以及收獲后不同土層土壤硝態氮的殘留量，研究了水氮對蔬菜硝酸鹽累積的影響及對土壤硝態氮殘留的效應。Limited data indicate that ms0 and tsr are in a relationship of 1 : 0. 93 on average, that is the value of ms0 is larger than tsr
馬歇爾試驗殘留穩定度ms0與凍融劈裂試驗殘留強度比tsr之間有一定關系，在大多數情況下， ms0值高於tsr ，平均是1 : 0 . 93的關系。分享友人