表面有效性 的英文怎麼說

中文拼音 [biǎomiànyǒuxiàoxìng]
表面有效性 英文
face validity
  • : Ⅰ名詞1 (外面;外表) outside; surface; external 2 (中表親戚) the relationship between the child...
  • : Ⅰ名詞1 (頭的前部; 臉) face 2 (物體的表面) surface; top 3 (外露的一層或正面) outside; the ri...
  • : 有副詞[書面語] (表示整數之外再加零數): 30 有 5 thirty-five; 10 有 5年 fifteen years
  • : Ⅰ名詞(效果; 功用) effect; efficiency; result Ⅱ動詞1 (仿效) imitate; follow the example of 2 ...
  • : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
  • 表面 : surface; superficies; boundary; face; rind; sheet; skin; outside; appearance
  • 有效性 : availability; effectiveness; validity; significance有效性檢查 validity check
  • 有效 : effective; valid; efficacious
  1. It is demonstrated by simulations that the control method is efficient and the fully cartesian coordinates is practically efficient. then the inverse kinematics of dual free flying space manipulator are mainly discussed in the third chapter, and the jacobean matrix for dual manipulator space robot is derived by fully cartesian coordinates, a control method for space manipulator based on the resolved motion rate control concept is proposed. then, the computer simulation verifies the effectiveness of the algorithm

    首先,分析了閉環雙臂空間機器人捕捉目標物體時的運動學關系,給出了以完全笛卡爾坐標示的系統運動jacobi關系;然後,以此為基礎研究了空間機器人雙臂協調操作的分解運動速度控制方法和協調操作問題;最後應用matlab語言對平雙臂空間機器人系統進行了計算機模擬、模擬,模擬運算證實了上述方法的
  2. Moreover, the block time - recursive 2 - d rdgt algorithms and their unified parallel lattice structure implementation are extended from 1 - d rdgt case. three applications of the rdgts are investigated : gabor representation for transient signals via the rdgts, mnr fid signal enhancement via the oversampled gabor transforms, representation and approximation of time - varying systems via the rdgts. the experimental results show the efficiency and advantages of the rdgts in applications

    研究了基於實值離散gabor變換的瞬變信號示演算法、基於過抽樣實值離散gabor變換的核磁共振fid信號增強演算法以及基於實值離散gabor變換的線時變系統示與逼近方法,實驗結果驗證了實值離散gabor變換在應用方的優越
  3. By the result of these experiments, acoustic emission ( ae ) was chosen to use in the research. at the same time, we analyse the phenomenon of acoustic emission at the base of theory, the characteristic signal of acoustic emission which comes from the faulty bearing at the angle of application, and the expression of the characteristic signal. contrast was also made on the data achieved separately from vibrational signal and ae signal, and it is proved that ae is feasible and available to the diagnosis to the fault of the rolling bearing

    主要工作如下幾方:對本段前期實驗室階段採用的振動法幅值域無量綱處理進行了分析,並研製了現場所使用的滾動軸承故障檢測裝置,將無量綱參數診斷法應用於段修現場,且做了大量試驗;對于現場試驗中所出現的問題進行了分析,提出將聲發射的方法用於軸承的在線故障診斷;從理論上分析了聲發射現象,從應用的角度分析故障軸承的聲發射信號的特徵以及聲發射信號特徵的示方法,並在實驗室中,採用振動法和聲發射法實時檢測的實驗數據進行了對比和分析,證明了使用聲發射法對軸承故障檢測的可行
  4. In the preprocessing stage the method of user and session identification often adopt heuristic algorithm for the being of cache and agent. this induce the uncertainty of data resource. the cppc algorithm avoid the limitation and has no use for complicated hash data structure. in this algorithm, by constructing a userld - url revelant matrix similar customer groups are discovered by measuring similarity between column vectors and relevant web pages are obtained by measuring similarity between row vectors ; frequent access paths can also be discovered by further processing of the latter. experiments show the effectiveness of the algorithm. in the fourth part, this thesis bring some key techniques of data mining into web usage mining, combine the characteristic of relation database design and implement a web usage mining system wlgms with function of visible. lt can provide the user with decision support, and has good practicability

    本文演算法避免了這個缺陷,且不需要復雜的hash數據結構,通過構造一個userid - uel關聯矩陣,對列向量進行相似分析得到相似客戶群體,對行向量進行相似度量獲得相關web頁,對後者再進一步處理得到頻繁訪問路徑。實驗結果明了演算法的。第四是本文將傳統數據挖掘過程中的各種關鍵技術,引入到對web使用信息的挖掘活動中,結合關系數據庫的特點設計並實現了一個具可廣西人學頎士學位論義視化功能的web使用挖掘系統wlgms 。
  5. First, the article introduces main theories of interest rate transmission mechanism in western countries, and then studies the actuality of the effect of interest rate transmission mechanism in china demonstratively. after that, based on the essential analysis of the efficiency about present transmission mechanism, the article discusses the factors that restrict and influence interest rate transmission mechanism of monetary policy in china, from microeconomic factors and macroeconomic environment respectively. finally, the article puts forth the reformation target of monetary policy interest rate transmission mechanism and the corresponding innovation proposals to enhance the effect of the interest rate transmission mechanism in china

    本文在借鑒和吸收前人研究成果的基礎上,採用了規范研究和實證研究相結合的方法,構建了關于貨幣政策利率傳導機制研究的合理的分析框架:文章首先介紹了西方貨幣政策利率傳導機制理論,著重分析了這些理論發揮作用的途徑和模式;其次,通過各種數據分析了我國貨幣政策利率傳導機制的現狀;接著針對我國利率傳導機製現出的獨特現象分別從微觀因素和宏觀環境兩個層研究了弱化其的各種因素;最後,針對上述因素提出了加強我國貨幣政策利率傳導率的政策建議。
  6. The results show us that the method is reasonable and feasible with advanced concept. the related software is developed on lab view for windows

    結果明, stf方法在精度、和數值特等方優于傳統的fbp方法,可以滿足工程應用的實際需求。
  7. A simply and analytical formula of the axial light intensity distribution behind a circular aperture is derived by using the helmhotz - kirchhoff integral theorem and the kirchhoff ' s boundary conditions. it is studied the nonparaxial on - axis intensity distribution throughout the whole space behind a circular aperture. an accurate formula to calculate the fresnel number of circular aperture is presented and the validity of usual fresnel number formula is reexamined. by using the analytical formula and diffraction integral formula, some numerical simulation comparisons are done, and it is shown that the results of the two methods are completely coincident

    用亥姆霍茲-基爾霍夫積分定理和基爾霍夫邊界條件,推導出了平波經小圓孔非傍軸衍射時軸上強度的簡單解析達式,研究了平波經小圓孔后整個衍射空間非傍軸的軸上光強分佈.給出了計算圓孔菲涅爾數的精確公式,重新檢查了通常的菲涅爾數公式的.數值計算顯示,應用解析達式所得的結果與應用衍射積分公式所得的結果完全一致
  8. An automated de - noising algorithm based on the energy of wavelet packet not donoho ' s threshold algorithm is established. a gear feature vibration signal extraction method using the wavelet packet energy is proposed, which can separate gear meshing vibration, noise vibration and gear fault vibration signal from the original gearbox case vibration signal. basis pursuit ( bp ) algorithm is introduced into the filed of mechanical signal de - noising and feature extraction for the first time

    第三章擺脫了donoho的閾值消噪思想,從能量的角度建立了基於小波包的自動消噪演算法;提出基於小波包能量分佈的齒輪故障特徵信號提取方法,可以將齒輪嚙合振動信號、干擾振動信號以及故障沖擊振動信號從原始齒輪振動信號中分離出來;首次將基追蹤消噪演算法引入到機械故障信號的消噪與特徵提取上,通過對齒輪故障信號的消噪,明了它的,並對影響該方法實際應用果的因素進行了全的分析,同時也指出了該方法存在的局限
  9. Firstly this paper points out that the mainstream value investment theories limits to some stratifications, such as market, business or product, technology and administrative levels, but it neglects the organizational idiosyncracy of the crux of the value factor, and it ' s better essence, better deep, better lasting than others. secondly this paper inducts and introduces collins " organizational idiosyncracy ideas, points out the importance of value investment theories " development ; and then establishes investigating index system of organizational idiosyncracy, through the way that from the surface to the core achieved a comprehensive summary of its external demonstrations in a large degree. to approve the effectiveness and operativeness of the investment index system in its application, this paper has chosen the specific cases in various corporations of different industries both at home and abroad, and made a various analysis of them, so that affirmed the advance and feasibility of the organizational idiosyncracy investment methods

    本文首先指出主流價值投資思想主要局限於市場、業務(產品) 、技術和管理層等層次,而忽視了組織特質這一更本質、更深層、更持久的關鍵價值因素;其次引入並評價了柯林斯的組織特質思想,指出了它對投資思想發展的意義;然後形成了一套組織特質的評價指標體系,利用該體系由及裡的,在最大程度上實現了對組織特質的全概括;同時為了證實該指標體系的,選取了國外公司、我國不同行業的不同公司進行了個案分析,通過對不同組織特質狀況企業的多角度分析確認了組織特質投資方法的先進和可行;最後對組織特質投資方法的適用和局限予以了總結。
  10. Treatment programs include both emotion - focused treatments and cognitive - focused treatments, but only multimodel integrative test anxiety treatments that consist of emotion - focused and cognitive - focused orientations, seem to best represent the true nature of the test anxiety process and to deal with this question. 2

    干預項目通常包括情緒和認知兩大治療方式,從理論和觀察角度分析,應當是既包括了認知干預成分,又包括了情緒干預成分的整合治療模式,才可能很好地代考試焦慮過程的真正特,才可能比較全地解決考試焦慮的問題。
  11. The comparing simulations indicate the method is valid, and the physical hops and the latency of the chord network have been decreased by nearly half

    對比模擬試驗結果明了該方法的, chord網路在物理跳數和反應時間兩個方明顯的改進,平均降為原來的一半。
  12. In industrial times the improvement of science and technology resulted in further development of productive force, which caused the change of human existence. technology has now become the dominant power and means which we use to deprive and conquer the nature. thus man ' s dependence upon others has been replaced by upon machinery and technology

    此時,典型的企業形態出現,它以盈利為最大目標,組織嚴密化,分工專業化,但卻現出發展的不可持續,而一味追求科學、的科學型管理更是推波助瀾,導致企業的短見和人的發展的進一步的片化。
  13. The results show that setting matrix and geometrical transformation as a selected topic at senior high schools is not only necessary but also feasible. this topic meets the characteristics of students in senior high schools, and can satisfy their development. the results also show that matrix and geometrical transformation can broaden span of view, boost up study interesting, promote development of capability, enhance self - confidence, and build up the ideal and skills of using mathematics finally, several suggestions about the compiling work of new teaching materials and teaching work in practice under new standard were given

    其次,本研究進行了「矩陣與幾何變換」這一選修專題的試驗班教學,對所做教學設計的科學、所編寫教學材料的與適應進行了實踐檢驗,結果明,在高中數學課程中開設矩陣與幾何變換這一選修專題不僅必要而且可行;矩陣與幾何變換這一選修專題的知識既符合學生全發展的需要,又符合學生的學習特點;發現矩陣與幾何變換對學生全發展所具的促進作用主要:能開闊學生視野,增強學習興趣,增加數學學習的信心,促進學生辯證思維能力的發展,利於培養學生自覺應用數學的意識與能力等。
  14. It is validated that the design of induction machine vvvf control system has its rationality and feasibility. the distinct reduction of switching loss shows the efficiency of the three optimal switching patterns initiated. the research of this paper lays a solid foundation for the research of the high - speed motor control system to be continued

    空載和負載實驗明文中所提出的感應電機調速方案的正確和實用,以及三種優化svpwm開關模式在減少開關損耗等方,為后續的高速、超高速電機控制打下了理論和實驗基礎。
  15. On the basic of a great of literature reading and research on safety of side impact of the car, according to requirement of ece r95, applied madymo6. 2. 1 software, established simulation model of side impact of the car, researched the relationship between side rigidity of the car and passenger injury in side impact, which showed that during first impact the bigger side rigidity was, the more advantaged protection for the car and passenger in a definite range, and which drew a conclusion that the most serious part of passenger injury was pelvis during first impact. then detailed the substructure model by defining bodies, joints, contact types and contact characteristic, researched some improvement approach for side safety of the car, and then analyses a particular case, that was to say to fix vehicle door bar fender on between inner and outer plate of the vehicle door, analyzed the influence of passenger injury when the bar fender was fixed on different position, the result showed that the passenger injury was less when the bar fender was fixed on the height of vehicle door decorate bar. finally, a set of tests were performed, contrasting the simulation result with the test, analyzed the influence of the side rigidity of the car to passenger injury, which showed the test

    本文在對汽車的側碰撞安全進行大量文獻閱讀和研究的基礎上,按照歐洲ecer95側碰撞乘員保護法規的要求,應用多剛體動力學軟體madymo6 . 2 . 1 ,建立了汽車的側碰撞模擬模型,研究了汽車的側對乘員損傷的影響,結果明在「一次碰撞」中,在一定范圍內汽車側越大,越利於汽車和乘員的保護,同時得出結論,即在「一次碰撞」過程中人體損傷最嚴重的部位是骨盆;然後通過定義各剛體、鉸鏈、接觸類型以及接觸特,對該模型進行子結構細化工作,研究了加強汽車側安全的若干改進措施,並進行了一個特例分析,即在此模型的車門內外板之間安裝了車門防撞桿,分析了當車門防撞桿安裝在不同位置時對乘員損傷的影響,結果明防撞桿位於車門裝飾條的高度時,對乘員的損傷較小;最後進行了一組側碰撞試驗,通過試驗和模擬結果的對比,分析汽車的側對乘員損傷的影響,明試驗和模擬結果是一致的,從而證明了模擬模型的以及模擬結果的正確
  16. Different from the other kinds of uwb signal, the radiation and picking up of the impulse signal has a very special property, time and space coupling

    結果明impsarwb - p演算法方位解析度與利用點擴展函數( psf )的分析結果基本一致,這也從另一方證明了wb - p演算法的
  17. Aiming at the model mentioned above, this thesis explored the mathematical models and examples of the supply chain planning between the enterprises and the production planning within the core enterprise. the results show its effectiveness and validity. it provides a new method for traditional production planning and control method to get out of dilemma

    針對該生產計劃控制模型,給出其節點企業間供應鏈計劃和節點企業內部生產計劃的具體數學模型及實例,模擬結果明了該模型的和可行,為解決傳統生產計劃和控制方法所臨的困境提供了一種新的方法。
  18. At present, there is no ideal polishing methods and polishing tools make working surface quality to meet design requirements. therefore it is urgent to design and manufacture special polishing machine for polishing radial palte and inner surface, which improves superficial integrity, size uniformity and production efficiency

    目前沒理想的拋光方法和拋光手段使工件質量滿足設計要求,因此亟待設計、製造出專用拋光設備來實現輻板及其型腔內的機械拋光,提高零件的完整、尺寸一致及生產率。
  19. 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 )通過靜態實驗選定河北遵化活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 )初步確定粉末活炭對原水中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的機物4 )中試實驗明:粉末活炭與高錳酸鉀聯用可取得較兩者單獨應用時對機物更好的去除果,且對因投加粉末活炭而造成的氣浮出水濁度升高一定的改善作用; 5 )研究並初步確定氧化改對粉末活質和機物的去除果的影響:粉末活炭的氧化改會使其的酸官能團大量增強,增加;經20的過氧化氫改的活炭在增大混凝劑投加量( fecl _ 3投量為15mg l )時對機物的總體去除果較原活炭提高12 , 1次氯酸鈉改炭對機物的去除果較原活炭提高6 ; 6 )研究並初步確定還原改、負載金屬離子對原水中機物的去除果的影響:經5氨水改的活炭可提高天津源水中機物的去除率達到10 ;負載銅離子后的活炭可提高對腐殖酸類物質的去除能力,一般可提高8左右。
  20. The results are as following : the rate of hydrogen desorption and the quantity of hydrogen absorption have relations with the activity of the surface of alloy ingots. the fresh and more active alloy ingots are more efficiency

    研究發現:氫爆的速度和吸氫量與合金鑄錠的活關,新鮮,活大的合金鑄錠氫爆的果高。
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