接近性因素 的英文怎麼說
中文拼音 [jiējìnxìngyīnsù]
接近性因素
英文
factor of proximity- 接 : Ⅰ動詞1 (靠近;接觸) come into contact with; come close to 2 (連接; 使連接) connect; join; put ...
- 近 : Ⅰ形容詞1 (空間或時間距離短) near; close 2 (接近) approaching; approximately; close to 3 (親...
- 性 : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
- 因 : Ⅰ動詞[書面語] (沿襲) follow; carry on Ⅱ介詞1 [書面語] (憑借; 根據) on the basis of; in accord...
- 素 : Ⅰ形容詞1 (本色; 白色) white 2 (顏色單純) plain; simple; quiet 3 (本來的; 原有的) native Ⅱ名...
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Analysis f k and na in nepheline were curried out with higher precision and repeatability by means of adding fluohydric acid during sample melting to remove sio2, adjusting the ratio of k and na in the solution to reduce the mutual interference of the two elements, and adding cesium chloride to eliminate ionization interference
摘要本方法用於測定霞石中的鉀、鈉,主要通過在溶樣時加入氫氟酸除去二氧化矽,調整溶液中鉀、鈉的含量,消除互相之間的干擾,加入氯化銫消除電離因素的干擾,提高了分析結果的準確性和重現性,使測定結果更接近化學分析值。Analysis of k and na in nepheline were curried out with higher precision and repeatability by means of adding fluohydric acid during sample melting to remove sio2, adjusting the ratio of k and na in the solution to reduce the mutual interference of the two elements, and adding cesium chloride to eliminate ionization interference
摘要本方法用於測定霞石中的鉀、鈉,主要通過在溶樣時加入氫氟酸除去二氧化矽,調整溶液中鉀、鈉的含量,消除互相之間的干擾,加入氯化銫消除電離因素的干擾,提高了分析結果的準確性和重現性,使測定結果更接近化學分析值。The basis of dynamics and simulation includes the iterative flyout angle algorithm to the solutions to lambert problem and battin ' s universal conic section state extrapolate method. then spacecraft ' s orbit roots, maneuver impulse and maneuver time are discussed as the following four part : first of all, the chaser ' s one orbit roots is selected as a variable to simulate its influence to the large scale orbital maneuver. the research reveals fact that the orbit roots both of chaser and target should be close to each other to achieve better maneuver and rendezvous " ability, moreover, the best orbit maneuver and rendezvous occurs when both chaser and target ' s initial phase angle are equal
為了研究了交會機動中追蹤器和目標器的軌道根數、機動時限和機動能耗等因素對交會機動的影響,模擬和分析分為以下四個部分:首先,研究了追蹤器軌道單個參數為變量情況下兩航天器大范圍交會機動問題,研究表明,追蹤器的變化參量與目標器相應的參量在接近的情況下可以獲得良好的交會機動特性,而對于兩航天器軌道共面的情況下,初始相位角相等時則獲得最佳的機動效果。The approach of obtaining the guidance coefficients can be utilized in the situations in which more than four coefficients are hired for guidance to enhance the guidance performance. in addition, more precise earth model, which is non - spherical and will circle around its body axis, can be considered, and this will lead to more true results
最後,本文對進一步的工作提出了建議,認為可以考慮用四維以上的制導參數確定反饋增益系數以改善其制導性能,另外,可以進一步考慮地球旋轉時影響飛船再入段縱程的因素,使得擬合結果更接近實際情況。A model of the interface state density distribution near by valence band is presented, and the dependence of the threshold voltage on temperature, the c - v characteristics and the subthreshold characteristics are predicted exactly with this model ; the effects of s / d series resistance on the output characteristics, transfer characteristics and effective mobility of sic pmosfets are analyzed. thirdly, the output characteristics and the drain breakdown characteristics are modeled with the procedure medici. the output characteristics in the room temperature and 300 ? are simulated, and the effects of gate voltage. contact resistance, interface state and other factors on sic pmos drain breakdown characteristics are analyzed
提出了一個價帶附近的界面態分佈模型,用該模型較好地描述了sicpmos器件閾值電壓隨溫度的變化關系、 c - v特性曲線以及亞閾特性曲線;分析了源漏寄生電阻對sicpmos器件輸出特性、轉移特性以及有效遷移率的影響;論文中用模擬軟體medici模擬了sicpmos器件的輸出特性和漏擊穿特性,分別模擬了室溫下和300時sicpmos器件的輸出特性,分析了柵電壓、接觸電阻、界面態以及其他因素對sicpmos擊穿特性的影響。The carrier wave is modulated directly by the baseband signal at several frequency point in l band and s band. firstly, this paper clarifies the theory of i / q modulation, elaborates evm and acpl, and analyzes the effect of amplitude and phase unbalance and dc offset on evm. secondly we review the basic principle of phase locked loop and it ’ s composing parts, including the basic conception and design method of pll frequency synthesizer, especially introduce the charge pump pll frequency synthesizer in detail
首先,在闡述i / q正交調制基本原理的基礎上,通過對誤差矢量和鄰近通道功率泄漏的詳細分析,定性、定量地討論了各種非理想電路因素(如相位不平衡、幅度不平衡、直流偏差等)對調制器性能的影響;其次,介紹了鎖相環的工作原理和基本組成部分,包括鎖相環的設計和環路濾波器的設計,特別詳述了電荷泵鎖相頻率源;第三,介紹了採用直接調制技術模擬衛星信號的射頻前端的設計;最後,對整個直接射頻調制系統進行測試,結果基本上達到了課題要求。Studied the liquid - phase synthesis of butyl acetate from n - butyl alcohol and acetic acid using the supported heteropoly blue as catalyst. examed several factors imposing on esterification. the results revealed : using this catalyst, the reactions conversion percentage reaches nearly 100 %, product yield is 98. 9 %, selectivity is 98. 9 %. reusing it 10 times, the efficiency is still well. in addition, using this catalyst, the reactions temperature is mild, the reaction time is short and the equipment hasnt any erosion. furthermore, there is no “ threewastesdischarge
對以負載型雜多藍為催化劑的乙酸與正丁醇的液相酯化反應進行了研究.考察了影響酯化反應的因素.結果表明:以負載型雜多藍為催化劑,酯化反應轉化率接近100 % ,收率可達98 . 9 % ,選擇性為98 . 9 % ,重復使用10次催化效果仍好.該催化劑還有反應條件溫和、反應時間短、對設備無腐蝕、無三廢排放等優點To meet this challenge, a research project was supported by ministry of communication and bv shanghai zhenhua port machinery co. ltd. focusing on analysis of tdtcd ( traditional design theories of crane drums ) the paper has studied the impacts of features under the binding force of wire ropes, the end - plate and rope slot. this study is based not only on the thin shell theory and viscoelastic mechanics to calculate the strength and stability of drum, but also on an experiment with technology in " state of act "
本文結合交通部重點科技項目「港口起重機鋼絲繩傳動件高性能技術研究」和上海振華港機股份有限公司委託項目「起重機焊接捲筒極限壁厚研究」 ,針對起重機捲筒傳統設計方法偏於保守的情況,以薄殼理論和近代力學為基礎,以現代試驗技術為研究手段,對鋼絲繩緊箍力作用下的外載特性、端板、繩槽等因素對捲筒強度和穩定性的影響進行了系統的理論研究,在深入開展捲筒強度、穩定性和實驗模態分析等試驗的基礎上,提出了有別于傳統方法的捲筒強度、穩定性計算方法。Making logistics in reason rests with making transport in reason in most extent. in view of three ration require, that is, long distance transport between one producing area and one customer, ration between one logistics center and multiple customers, ration among multiple producing areas, multiple logistics centers and multiple customers, this paper carry out synthetic analysis and discuss according to theory related operational research such as dynamic programming, chart theory and network analysis, transport problem of liner programming. many factors influence the selection of regional logistics center allocation
影響區域物流中心選址的因素較多,論文根據模糊數學理論,對多因素決策問題提出用貼近度的方法比較被選地址與理想目標的接近程度,用層次分析法確定各評價指標的權重,與隸屬函數綜合成隸屬度,並用實例說明該方法的有效性。同其他方法相比較,綜合分析法可操作性更強。In this thesis, first, reasons and factors for the stability of loose rock dams were summarized according to the field surveys and certain expert ' s experiences. then, researches on block stability problems were reviewed, and according to the relationship between grain size and incipient velocity, it is found that the block weight is in direct proportion to 6 - 9 power of incipient velocity, and 50 % increase of the velocity will result in about 40 times change of the block weight. after that, experiments were conducted in a flume, focusing on the relationship between incipient velocity and some main factors including block weight, water depth over the dam, cross - section size, block material and river bed material
本文首先根據散拋石壩損毀情況的現場調查資料,結合有關專家多年的整治經驗,總結出壩體的損毀原因及影響因素;對現有塊體穩定性的研究成果進行回顧和總結,並針對散拋石壩的直接損毀現象,結合山區河流的水流、地形特點,利用塊體粒徑與起動流速的關系,提出塊體穩定重量與起動流速高次方成正比的概念,流速50的增長可能導致塊體穩定重量接近40倍的變化;通過二維變坡水槽試驗,研究了壩體穩定的主要影響因素,包括塊體重量、壩頂水深、斷面尺寸、塊體材料(塊石和卵石兩種) 、護底等,結果表明對于山區河流,試圖僅僅通過增加壩體單個塊體重量或斷面尺寸來提高壩體穩定性效果甚微;最後,根據西部地區的自然、經濟、交通等條件,提出可以採用柔性混凝土鉸鏈體等一類整體性較好的護面層作為散拋石壩的防沖毀措施,以期取得良好的工程效果。Based on the nonlinear parabolic approximate wave reflection - diffraction equation of mild slope, a model of wave propagation on a fan - shaped coordinate is put forward considering winds, bottom friction and wave breaking, etc. the existing calculation shows that the model can be employed to determine wave fields in large water areas
接著以非線性的拋物型近似波浪緩坡方程為基礎,提出了扇形坐標下的波浪傳播模型,模型包括了風、底摩阻、波浪破碎等因素的影響,可以用於大水域的波浪場的確定;文章最後介紹了一些計算算例。A mathematical model is developed to comprehensively describe and analysis the vibration of over - head transmission lines according to pertinent datum. based on the model , an optimum solution about the conductor - damper system is put forward to by means of the analysis of possible anti - vibration designs. a method of balance - energy is used to acquire the frequency - respondence features of the conductor - damper system under the function of breeze ; a cad software is presented and developed in terms of above approaches. the model applied in the thesis is comprehensible and considerate, and the results from the model are close to the data from experimental site. beside these, favourable interactive operational capability makes it possess more practical and economic value
通過分析有關資料,建立了普通檔距導線微風振動系統的防振數學模型,並在該數學模型的基礎上,對防振結果進行了優化分析,得到了防振系統的解,用能量平衡原理,得到系統在微風作用下的頻響特性;採用這種方法設計了普通檔距防振的計算機輔助分析軟體。所採用的分析方法對微風振動的影響因素考慮全面,所求結果與現場實驗觀測中的數據比較接近,且人機交互操作性能良好,有一定的工程實用價值At the end of text, stratagem ’ s impacts are researched and some feasible, innovative measures are advised. the main and valuable point of this text is that manufacture investment and its effect are the basic of mncs localizing r & d activities, the requirement for chinese localized resources is the core reason, and technology level, human resource and be adjacent to market are the position decision - makings
本文最為主要和較有價值的觀點是:生產性投資及其績效是跨國公司在中國進行研發本地化活動的必要基礎;對中國本地化資源的需求是該戰略實施的核心動因;中國的行業基礎水平、智力資源密集程度以及市場接近程度是研發投資的區位決策因素。In all, the sustainability of land use of taigu is on the basic development level, productivity and economic feasibility greatly influence on the land sustainable use, however, resource protection and social acceptability restrain its development. as a conclusion, some measures are put forward in this thesis
綜合評價結果表明:近幾年,太谷縣土地利用處于基本可持續階段,影響最大的是土地生產力水平和經濟可行性,但目前主要制約因素是資源保護和社會可接受性,為此提出太谷縣土地資源可持續利用的對策。The study on the measure index of cultivated land value looks even more important. 2 this is a synthesis and system very strong work to establish the index system of cultivated land appraisal in outskirts hill chongqing, including production, stabilization, conservation and social accept of cultivated land
2建立重慶市近郊丘陵區農用地分等定級指標體系是一項綜合性和系統性都很強的工作,涉及到農用地的生產性、穩定性、保護性和社會可接受性等方面的因素指標。The pollution effects of the plant leaves treated with acid material can be detected quantitatively by means of df. the technique would likely to be applied as a practiced field application with easier operation than chlorophyll fluorescence technique. thus, we conclude that delayed fluorescence is an excellent indicator for evaluating the extent of environment stress on plant
因此,利用植物的光誘導延遲熒光在一定程度上可以檢測出雨水和空氣中酸性物質對植物葉片的脅迫效應,該方法比常規的理化手段更接近於環境的真實狀況,而且比葉綠素熒光技術便於操作。To computer the risk of investment decision, a decision model with risk degree is built. in order to simulate the dynamic process of the project, the paper proposes an approach based on computer simulation and applies the method to evaluate the feasibility of the project through analyzing the simulative method in investment decision. in this research, the method is applied in a practical project to determine that it is an impersonal and reliable method
結合當前對經濟評價動態及全面的要求,用計算機模擬的方法對建設項目的投資決策進行了分析計算和論述,並對一個具體的工程實例的財務指標作了預測和分析,確定了影響因素,對投資過程中可能評價值進行了模擬,填補了以往投資決策缺乏不確分析的不足,從而更接近實際,為決策者提供了決策的依據,避免了投資決策的盲目性。Then, based on the summarization and evaluation of the fruits and shortage other scholars made, this paper brings forward the research hypotheses. on the base of fully understanding of various research models of value relevance, this paper chooses the feltham - ohlson model and the balance sheet model as the basic mod els and adjusts the two models to test the value relevance of accounting data of listed a share corporations in china. the research result shows : ( 1 ) in the period from 1996 to 2001 the value relevance of accounting information in china is falling with the implementation and changing of every financial accounting standard ; ( 2 ) when testing listed corporations suffering loss the feltham - ohlson model is invalid ; ( 3 ) compared with 2000, the accounting data of 2001 is n ' t more conservative but more aggressive ; and ( 4 ) this paper ca n ' t judge whether the book value of corporation assets after computing the asset reduction required by " accounting regulation of corporations " is closer to that before computing, and it needs further researching
在對各種價值相關研究模型充分理解的基礎上,本文有針對性地選擇feltham - ohlson模型和資產負債表模型作為研究的基本模型,並根據所研究的具體問題對模型進行了修正,用以檢驗我國a股上市公司會計數據的價值相關性,研究結論如下: 1 、 1996 2001年我國會計信息的價值相關性沒有隨各項具體會計準則的頒布和變更逐年提高,反而逐年降低; 2 、 feltham - ohlson模型在檢驗虧損上市公司時失效,這可能是我國資本市場中特有因素造成的; 3 、與2000年相比, 2001年會計數據不但沒有更謹慎,反而更「激進」 ; 4 、本文檢驗結果無法判斷計提《企業會計制度》新要求的四項資產減值準備后計算出的企業資產帳面價值是否比未計提資產減值準備計算出的資產帳面價值更接近企業真實的經濟價值,有待今後做進一步的研究。Ge and cd holded the same origin as major metal elements. the content of ge in no. 3 ore body approaching the earth ' s surface is much larger than that of deeper ore body, owning to germanium ' s high activity in the earth ' s surface, relatively low - temperature and biology action. the ore - forming pattern can be generalized " atmosphere water leaching - convection circle - metallogenic "
Ge 、 cd與主金屬元素的來源一致,在接近地表的3號礦體中ge含量遠大於其下部的6號和8號礦體,其原因在於鍺在表生條件下的高活動性、相對低溫易於鍺的富集以及生物可能參與了鍺的富集。Recent studies indicated that the marine macroalgae will produce elevated level of active oxygen species ( aos ) after treated with elicitors, such as oligosaccharides, which means the existence of the first step of chemical signal similar reaction system in higher plants. what are the followed reactions process occurred after the marine alga host receiving the aos signals, it is very interested and attracted to many researchers, therefore either this is the main contents of this thesis study
近年來的研究結果已經初步表明:大型藻類在受到寡糖等刺激因素作用下能夠產生活性氧水平的迅速升高,這意味著類似於高等植物化學信號響應體系的第一步是存在的,那麼藻類在接受到活性氧信號后會產生怎樣的后續反應呢?分享友人