速度不均勻性 的英文怎麼說
中文拼音 [sùdùbùjūnyúnxìng]
速度不均勻性
英文
wow and flutter- 速 : Ⅰ形容詞(迅速; 快) fast; rapid; quick; speedy Ⅱ名詞1 (速度) speed; velocity 2 (姓氏) a surna...
- 度 : 度動詞[書面語] (推測; 估計) surmise; estimate
- 不 : 名詞[書面語] (剁物所用的木墩) a block of wood
- 均 : Ⅰ形容詞(均勻) equal; even Ⅱ副詞(都; 全) without exception; all
- 勻 : Ⅰ形容詞(均勻) even Ⅱ動詞1. (使均勻) even up; divide evenly 2. (分出一部分) spare
- 性 : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
- 速度 : 1. [物理學] velocity; speed; blast; bat 2. [音樂] tempo3. (快慢的程度) speed; rate; pace; tempo
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We use fuzzy mathematical morphology to remove noise and dust which can lower noise successfully and also make up a loss of intensity caused by fluorescence blench. to acquire the target region, we purpose automatic gridding method based on image segmentation for image with irregular spots, it ' s segmentation through threshold. this method is presented simply and fast
在網格定位中,本文針對信號點不規則的晶元圖像提出了基於圖像分割的自動定位方法? ?閾值分割,該方法簡單快速,但對于光密度分佈不均勻的信號點,可能會去掉部分微弱信號,降低了計算的準確性。It is shown that the error could be rather remarkable in some extreme situations and could be neglected in the others. the variance of parameters inside pixel, contexture of the pixel and the surface wind speed are the controlling factors of the scaling error
結果表明亞像元狀態和結構是像元尺度誤差的主導因素,風速變化對尺度誤差有明顯的影響,不論何種形式的非均勻性,都須遵循相同的尺度擴展步驟,以達到消除誤差的目的。Owing to penetration, absorption, and internal lubrication, the homogenizing - dispersing agent filled in rubber compound reduced the difference of viscosity, polarity, surface tension in dissimilar rubbers, and accelerated interfusion, dispersing, homogeneous mixing
由於均勻分散劑的滲透、吸附及內潤滑作用,減小了不同橡膠間粘度、極性和表面張力的差別,達到了快速融合、分散、摻混均勻的效果。Started from the principle and performances of high speed rotating - mirror streak camera, some essential issues, such as the reason of the scanning speed vibration, the disadvantages of the former velocity sensor, are discussed. and then, a brand new speed - measuring method is proposed
論文從高速轉鏡式條紋相機的原理、性能出發,討論了相機掃描速度不均勻性的原因;基於過去速度傳感器速度低、精度差、可控性和人機對話界面缺乏的弊病,提出了一種全新的測速方案。The characters of velocity ' s distribution within the mid - layer of the middle crust resemble that of the upper crust ' s bottom layer, and the velocity strongly disturbed. the prominent higher velocity anomalies exist below the linbi uplift and the hu - su uplift within this layer
中地殼的中間層速度分的基本特徵類似上地殼底部,橫向均勻性顯著;中地殼下部速橫向不均勻性明顯,在靈壁隆起和湖蘇隆起的下部有顯著的高速異常。Lifting and lowering of the pringting arm of this machine is vertical, therefore, in case of half - tone printing, presence of screen wire and consistency of aberration are improved ; in case of spot printing, stability and uniformity of inking are enhanced ; fine adjustment and lock of the worktable is independent of each other, so positioning error caused by lock of the worktable can be controlled ; height and pressure of the printing blade and ink - returning blade can be stepless - regulated separately, which improver printing quality and service life of half - tone ; printing travel and half - tone fixing mechanism can be fast adjusted, which is suitable for printing area with different size
本機印刷大臂升降為垂直升隆式,網線版印刷時網線表現率為色差一致性得到提高,實地版印刷的施墨穩定性及均勻性得以加強;工作臺微調與鎖緊獨立,因工作臺鎖緊而帶來的定位誤差得以控制;印刷刀、回墨刀高度及壓力均可單獨無級調節,提高了印刷質量和網版的使用壽命,印刷行程和網版固定機構大小可快速調節,方便不同規格的印刷面積。The following contents were mainly studied : ( 1 ) aspect, structure as well as characteristic of species composition between fragmental evergreen broadleaved forests and continuous evergreen broadleaved forest ; ( 2 ) species diversity, species abundance and species evenness between fragmental evergreen broadleaved forests and contin. us evergreen broadleaved forest ; ( 3 ) plant floristic compositions at family and genus levels between fragmental evergreen broadleaved forests and continuous evergreen broadleaved forest ; ( 4 ) life form between fragmental evergreen broadleaved forests and continuous evergreen broadleaved forest ; ( 5 ) microclimate factor ( sun radiation, temperature, wind velocity, humidity ) in different level pattern ( open, edge and interior ) between fragmental evergreen broadleaved forests and continuous evergreen broadleaved forest ; ( 6 ) the relations between environment and soil factors as well as species diversity of forest community between fragmental evergreen broadleaved forests and continuous evergreen broadleaved forest
主要研究以下內容: ( 1 )片斷和連續常綠闊葉林的外貌、結構和物種組成特徵; ( 2 )片斷和連續常綠闊葉林的物種多樣性、豐富度和均勻性; ( 3 )片斷和連續常綠闊葉林的科( ? )屬水平的植物區系成分; ( 4 )片斷和連續常綠闊葉林生活型組成; ( 5 )在不同的水平梯度格局上(林外、林緣和林內) ,片斷和連續常綠闊葉林的小氣候要素(光照、溫度、風速、濕度等) ; ( 6 )片斷和連續常綠闊葉林的環境和土壤因子,與群落的物種多樣性之間的關系。實驗結果表明: ( 1 )各片斷森林的外貌特點基本上和連續森林一致。Second, we introduce a two - lane traffic model which is based on the ( 0, 2 ) and ( 0, 1, 2 ) models. we mainly study the coupling effect of lanes. in two - lane traffic, vehicles can change lanes and overpass. the interactin between lanes is considered as coupling effect. the computer simulation indicate that ( dthe current of the system with cupling is greater than that without coupling ; 0for a certain initial density, the average flow and speed are indepent on the coupling coefficient which is greater than zero ; when the initial densities ( speeds ) of lanes are different, the characters of traffic system will be different
在單車道模型的基礎上,建立v _ ( max ) = 2雙車道模型,研究車道的耦合效應。雙車道模型中車輛可以進行轉道、超車,兩道之間有耦合作用。模擬結果說明,有耦合時系統的流量比沒有耦合時大;在固定的初密度條件下,只要耦合系數b 0 ,兩道間的耦合強弱對流量和速度無影響;兩道初密度分佈不均勻和速度分佈不均勻都能使交通系統特性發生變化。Several key techniques of carving and milling machine cnc system are deeply studied they include : the transformation, data rebuild and interface design of huge volume nc program produced by cam ; the algorithm of cubic parametric spline pre _ interpolation and high speed real time interpolation in the cnc system, which. will gain a much higher surface precision and cutting speed ; methodology and algorithm of movement velocity acceleration control on a real time forecast _ and _ prejudge basis is designed. therefore, a smooth movement is insured. the shake and noise problem caused by non _ uniform pules for driving stepping or servo motor is solved by an improving algorithm to generate uniform pules
同時,本文對基於統一的pc平臺的雕銑機數控系統中的幾項關鍵技術進行了深入的研究,包括: cam生成加工程序的傳送、接收、讀取及其加工鏈表的生成和實時重構;對cam生成的離散數據進行三次參數樣條插值和基於累加弦長的三次參數樣條插補控制,保證加工工件表面的精度和光順性;設計具有「前瞻」功能的自動升降速控制方法,保證加工過程的平穩性;通過脈沖均勻化,有效地解決加工過程中因為脈沖不均勻而引起的震動問題。Diamond ( diamond glass ) with a large polishing powder particles to the use and performance : ultrafine polishing powder particle size, particle size uniform, cut power and polishing speed, high - yield diamond, easily washable, is essential to the processing of diamond polishing materials
信息描述:水鉆用大顆粒拋光粉的用途及性能:拋光粉粒度超細,粒度均勻,削力強,拋光速度快,水鉆成品率高,易清洗,是水鉆加工必不可少的拋光材料。Uniform and compact plzt and sno _ 2 ceramic targets, which diameter were 212mm and 221mm, respectively, had been successfully fabricated. ( 2 ) a rotating magnetic field rf magnetron sputtering system had been designed and set up, which showed high utilization efficiency of target, high films uniformity, and high deposition rate, etc. ( 3 ) the plzt and sno _ 2 thin films were investigated by afm, xrd, sem, and spectral photometer. the optimized processing parameters of preparing these films had been found
並以此為基礎分別制備了緻密、均勻、平整、直徑為212mm的plzt和221mm的sno _ 2陶瓷濺射靶材; ( 2 )為克服現有磁控濺射設備的不足,提出了一種新的磁控濺射方案,採用該方案的設備具有:靶材利用率高、鍍膜均勻、成膜速度快等特點; ( 3 )運用afm 、 xrd 、 sem以及雙光路分光光度計等分析手段對plzt和sno _ 2薄膜的微結構和性能進行研究,找到了制備plzt電光薄膜和sno2透明電極材料的最佳工藝條件。Based on comparison of several technical schemes, the method of sand bedding pre - elevating and step water - filling pre - compressing is adopted. so the dissertation is consist of two parts : ( 1 ) the applicability study for the method of sand bedding pre - elevating and step water - filling pre - compressing, including numerical analyses for the thickness of sand bedding, the consolidation, settlement and stability of foundation, drainage, possibility of foundation liquefaction under seismic loading, et al. ( 2 ) monitoring at construction stage and checking the effect of foundation treatment, including the measurements of the settlement velocity and non - uniform settlement of ring beam under the tank, pore pressures and horizontal displacements in foundation, the pressure distribution at the bottom of oil tank and the strength increase of soils
通過多種技術方案比較,最終選擇了技術先進的砂墊層預抬高分級充水預壓法,論文工作主要由以下兩部分組成: ( 1 )砂墊層預抬高分級充水預壓法的適用性研究,其中包括砂墊層厚度、地基沉降與固結度、地基穩定性、降水、地震作用下砂土液化的可能性等方面的計算分析; ( 2 )施工監測與地基處理效果檢驗,其中包括油罐環梁基礎沉降速率與不均勻沉降程度、各分級充水加載階段地基超靜孔壓與深層水平位移、油罐底板壓力分佈及地基土強度增長等方面的實測與數據分析。In addition, there will be some asymmetrical condition for shelling ; if the shell speed is different, there will be crusting phenomenon and then damage precision of shell thickness
另外一些覆膜砂還可能出現結殼厚度不均勻的現象,如果結殼速度不同,將出現覆膜砂加熱過程中的「起皮」現象從而破壞了結殼厚度的準確性。But it is impossible for the traditional electroforming to be widely used due to the long process time, the poor metal distribution which is often seen. nano metal has special performance of mechanics and physics, but the making of nano metal block is difficult, and it ' s making method is not perfect, so the study of nano metal block is very difficult. man pay more attention to rapid prototyping which is a new machining method, but to make metal accessory using rapid prototyping is very difficult, it restricts development of rapid prototyping
目前電鑄技術存在著加工時間長,鑄層均勻性差等缺點,嚴重製約著電鑄技術的應用與發展;納米金屬具有特殊的力學和物理性能,但是納米金屬塊體的制備有一定的難度,而且制備方法也不成熟,因此對納米金屬塊體性能的研究有一定的難度;快速成型作為一種新型的加工方法,越來越受到重視,但現在的快速成型技術對製造金屬零件有很大的難度,這也是制約快速成型技術快速發展的一個瓶頸。We also found that the rheological behavior of single layer gmt is isotropic. temperature and pressure method has great affection on the distribution of the fiber. second, we measure the pressure change under different molding rate and use extensional viscosities model and shear force model to analysis the data
研究表明: gmt材料具有很好的充模流動性,流動過程中纖維氈保持一個整體; gmt材料擠壓流動行為表現為各向同性;溫度、壓力制度對纖維的均勻分佈影響很大: 2 )通過測量不同合模速率下壓力變化,採用拉伸粘度模型( extensionalviscositiesmodel )和純剪切流動模型( shearforcemodel )對數據進行分析,導出了描述gmt材料宏觀行為的流變學參數。Non - uniformity of the amplifying effect and dimension of the slope are pointed out through analysis of the distribution of the stress and sonic speed in the slope. forms of slope lost stability resulted from blasting vibration are analyzed and appraising rules of slope stability are summarized by a great deal instances on coasts. based on general discussion about calculation methods of the slope stability under the effect of blasting vibration, the synthetical method, a new one, is put forward, analyzed through a sample by and pointed out which is one of most valid methods
利用波動理論,得出延期時間為nt / m時減震效果最好;在分析邊坡巖體內部應力、質點速度等分佈規律的基礎上,指出邊坡震動放大效應的不均勻性和邊坡尺寸效應;結合大量滑坡實例,分析了爆破震動引起邊坡失穩破壞的幾種形式,總結出邊坡穩定性評價準則;基於對邊坡穩定性計算方法的綜合分析,提出了一種綜合分析方法,通過算例計算分析,證明該法計算精確度高、功能全面,是邊坡動力穩定性分析的有效方法之一。During this paper, definition of the measure enter - cover - probability is given, andthree - dimension detection space are transformed to level detection circles on differentheights. aiming at the most normal situation of symmetric line, cross - to line and cross - awayline taken by the carrier, probablely - enter - cover - target - distribution are analysed in relativemovement method on the premise that targets fly perpendicular to the flying direction of thecarrier. mont - cario method is used to simulate uniformly - distributed - targets situation and getthe measure, and results are used to analyse the influence of line - landscape - orientation - ratio, line - portrait - ratio, and speed - ratio on the measure. for further research, influences of height and blind space are also discussed on base ofradar level detection range, and situations of non - uniformly - distributed targets are alsoresearched
為了分析主動探測空間動態性能,本文首先提出以「目標進入雷達覆蓋區概率」 (簡稱為「覆蓋率」 )作為評價指標;然後將三維探測空間轉換為不同高度層對應的水平探測圓,針對載機採用雙平行航線、交叉相向航線和交叉同向航線的最一般情形,採用相對運動的方法,分析目標垂直入侵時可能進入雷達覆蓋區的目標分佈情況;再運用蒙特卡洛法進行模擬計算,分析並比較目標服從均勻分佈時航線橫比、航線縱比及速度比對性能的影響。To prove the accuracy of the mach number, and the parameter homogeneity of the design nozzle " s exit, cfd calculate has carried on the design results. under the condition of supersonic and hypersonic flow, and a certain range of temperature, and mach number, the conclusion of the influence of specific heat to nozzle design is drawn
為了驗證所設計的噴管出口馬赫數的大小和噴管出口流場的均勻性,採用nnd格式和b l湍流模型求解雷諾平均n - s方程,對設計結果進行了cfd驗算,得出了在一定溫度范圍內,超音速、高超聲速流動的條件下,不同馬赫數范圍內變比熱容對噴管型面和噴管出口馬赫數的影響。At present, the material of emitting cathode is mostly present with big escaping powers low reliability 1ow uniformity and emission capability
摘要目前,陰極發射體材料多存在逸出功大,可靠性及均勻性低,發射性能低、不能自動調節活性物質更替的速度等方面的問題。A mathematical model of flows in the substrate was established using the equivalent continuum approach, and multi - dimensional numerical simulation of the steady flows in the catalytic converters was performed. simulation results show that the separation and vortex, which cause the pressure loss and the velocity non - uniformity at the front of the first substrate, are generated near the wall of the conical pipe. in addition, the larger the inlet cones angle the more the pressure loss and maldistribution in converters, however, when the angle enlarges enough the pressure loss would be decrease
結果顯示氣流在擴張圓錐管壁附近出現分離產生較強的擾動,造成局部流動損失和載體前氣流速度沿徑向分佈不均勻;入口擴張管結構對催化器的流動特性有很大影響,但並非擴張角越大,催化器流速武漢理工大學碩士學位論文分佈的不均勻性和壓力損失也增大,而是存在著一個最佳角度,但當擴張角增大到一定程度以後,擴張角對流速分佈和壓力損失的影響變小。分享友人