齒形板 的英文怎麼說
中文拼音 [chǐxíngbǎn]
齒形板
英文
lamina denticulata-
Back cap and quadrant tap bolt
后蓋及齒節弧形板Among them, denticula ( with 2 species ), epithemia ( with 6 species and 8 varieties ), and rhopalodia ( with 5 species and 4 varieties ) belong to the family epithemiaceae ; the family nitzschiaceae include 3 genera, bacillaria ( with 1 species ), hantzschia ( with 3 species 4 varieties and 1 form ) and nitzschia ( with 28 species and 7 varieties ) ; and the other genera cymatopleura ( with 3 species and 3 varieties ), surirella ( with 13 species and 4 varieties ), stenopterobia ( with 1 species ) and campylodiscus ( with 1 species ) belong to the family surirellaceae
其中窗紋藻科有3屬，有細齒藻屬2種，窗紋藻屬6種8變種，棒桿藻屬5種4變種；菱形藻科3屬，有桿狀藻屬1種，菱板藻屬3種4變種1變型，菱形藻屬28種7變種；雙菱藻科4屬，有波緣藻屬3種3變種，雙菱藻屬13種4變種，長羽藻屬、馬鞍藻屬各1種。The thirty - four species of the sea urchins belong to 7 order, 17 families and 28 genera. the following is the name list, those with an asterisk are the species recorded for the first time in china. order cidaroida family cidaridae * goniocidaris biserialis ( d6derlein ) * stylocidaris bracteata ( a. agassiz ) * stylocidaris ryukyuensis shigei * stereocidaris indica philippinensis mortensen * rhopalocidaris gracilis doderlein order lepidocentroida family echinothuridae * phormosoma bursarium ( a. agassiz ) araeosoma owstoni mortensen asthenosoma ijimai yoshiwara order stirodonta family phymosomatidae glyptocidaris crenularis a. agassiz family arbaciidae * coelopleurus maculata a. agassiz et h. l. clark * coelopleurus undulatus mortensen order aulodonta family diadematidae chaetodiademajaponicum mortensen family pedinidae * caenopedina mirabilis ( d6derlein ) order camarodonta family temnopledridae temnopleurus hardwickii ( gray ) temnopleurus toreumaticus ( leske ) temnopleurus reevesii ( gray ) temnopleurus apodus ( a. agassiz et h. l. clark ) temnotrema sculptum ( a. agassiz ) temnotrema reticulatum mortensen * microcyphus olivaceus ( d6derlein ) * prionechinus forbesianus ( a. agassiz ) family strongylocentrotidae strongylocentrotus nudus ( a. agassiz ) hemicentrotus pulcherrimus ( a. agassiz ) family echinometridae anthocidaris crassispina ( a. agassiz ) order clypeasteroida family clypeasteridae clypeaster virescens doderlein family laganidae * peronellapellucida d5derlein family scutellidae * scaphechinus mirabilis a. agassiz sinaechinocyamus planus liao family fibulariidae fibularia acuta yoshiwara order spatangoida family loveniidae - lovenia triforis koehler echinocardium cordatum ( pennant ) family schizasteridae schizaster lacunosus ( linnaeus ) family brissidae * gymnopataqus magnus ( a. agassiz & h. l. clark ) family spatangidae * spatangus luetkeni a. agassiz among the species reported, the following species call for notes or simple descriptions
本文根據th . mortensen （ 1928 - 1955 ）海膽專著（ amonographoftheechinoidea ）中的主要分類依據，將海膽綱分為8個目： 1 ）頭帕目（ cidaroidea ）有齒器，圍肛部在頂系內，圍口部有步帶板和間步帶板，大棘很大，有外皮層，無球棘； 2 ）鱗棘目（ lepidocentroida ）有齒器，圍肛部在頂系內，圍口部僅有步帶板，大棘不很大，無外皮層，有球棘； 3 ）脊齒目（ stirodonta ）有齒器，圍肛部在頂系內，齒器的齒有脊，橈骨片在齒上方不相接，顎孔開放； 4 ）管齒目（ aulodonta ）齒器的齒無脊，圍肛部在頂系內； 5 ）拱齒目（ camarodonta ）有齒器，圍肛部在頂系內，齒器的齒有脊，橈骨片在齒上方相接，顎孔封閉； 6 ）全雕目（ holectypoida ）有齒器，但不發達或完全被吸收，圍肛部在頂系外，步帶不形成瓣狀和葉鰓； 7 ） ?形目（ clypeasteroida ）齒器發達，圍肛部在頂系外，步帶形成瓣狀，無葉鰓； 8 ）蝟團目（ spatangoida ）無齒器，圍肛部在頂系外，葉鰓發達，步帶形成瓣狀。The exhibit boards in this hall exhibit a great number of prehistoric living oceanic things in the most seven dreary oceans in the history, including the immemorial rampant megalodons, tanystropheuses, sarcosuchus imperators, and sea crabs
這里展示的是史上最沉寂的七個海洋，通過展板形式展現了遠古的巨齒鯊、長頸龍、帝鱷、海蟹子等等曾經猖獗一時的大批史前海洋生物。The results indicate that if the value of press stress is over certain figure, press stress and al plate ’ s thickness have little influence on sawtooth distortion for the same kind of sawtooth ; sawtooth distortion is well - regulated under static press, while it is irregular under impact press. bottom coating make great influence on bond strength of samples which can improve the value remarkably ; bonding mechanism of clad steel is mechanism of mechanical effect that sawtooth which is hooked occludes with al plate
結果表明：同種齒型，當壓應力大於一定的值時，壓應力和覆板的厚度對齒形的變化影響不大；靜壓下齒形變化比較規則，鋸齒頂端向一側彎曲成鉤狀；沖壓下齒形比較凌亂，鋸齒的頂端沒有明顯的變形；后處理對試樣的結合強度影響很大，打底試樣由於粘結層的作用，結合強度較高；機械作用機制是復合鋼板的主要復合機理，鋸齒彎曲成鉤狀和鋁板形成機械咬合。Through the simulation of the forming process, we can get the deformations, stress, strain, plastic flowing in sheets and the interface state under impact load and rolling load, the deformation of the sawtooth form and comparing to the initial state, the results above are expressed in computer animated way. and the effect of geometrical ( mainly different form, including 90 degree, isoceles triangle ， 75 degree, and 1. 5 high and wide ), material and technical parameters on the bond strength are analyzed, also including the comparison of different sawtooth form. the optimum parameters are got
對雙金屬復合板成型過程進行模擬，從而得到在沖擊載荷和軋輥壓力作用下基板和覆板的應力、應變分佈和塑性流動變形規律，復合后的齒形的變形情況與初始齒形形成對比，以動畫的方式模擬成型過程，並分析了不同幾何參數（主要是不同的齒型，其中包括直角齒型、等腰齒型、 75度齒型、 1 . 5高寬齒型） 、材料參數、工藝參數對復合強度的影響，以及不同齒型的變形對比以及齒型對復合情況的影響，提出最優齒型、最優工藝參數，有效地指導了實驗。Abstract : the auto electric top window is mainly divided into crescent glasses, overshadow, driving motor, gear, sliding screw ， ecu and relay. thi s paper analyses the working principle of opening, closing, oblique rise and fall an d the control process of electric control system are introduced
文摘:汽車電動車頂（天窗）主要由月牙形玻璃、遮陽板、驅動電動機及齒輪、滑動螺桿、 ecu及繼電器等組成，分析了車頂玻璃打開、關閉、斜升、斜降等動作的工作原理，介紹了電子控制系統的控制過程。The auto electric top window is mainly divided into crescent glasses, overshadow, driving motor, gear, sliding screw ， ecu and relay. thi s paper analyses the working principle of opening, closing, oblique rise and fall an d the control process of electric control system are introduced
汽車電動車頂（天窗）主要由月牙形玻璃、遮陽板、驅動電動機及齒輪、滑動螺桿、 ecu及繼電器等組成，分析了車頂玻璃打開、關閉、斜升、斜降等動作的工作原理，介紹了電子控制系統的控制過程。The deformation of each part, especial its gear - coupler that acts as a connection - rod of the parallelogram and meshes with the external gear of the output shaft, has great affect to the characteristics of mechanics of three - ring gear reducer
另外，三環減速器屬于過約束機構，其受力情況比較復雜，各個構件尤其是連接部件內齒板的變形對系統的力學性能會產生較大的影響。Calibration of involute tooth profile gauges for the gears of locomotive
機車齒輪用漸開線齒形樣板的檢定Cfd techniques for the design of plate - fin heat exchangers with plain fins and serrated fins
技術在平直和鋸齒形板翅式換熱器設計中的運用The experiments produced respectively al clad plate by impact & cold press methods under normal temperature. this paper studied the rules of sawtooth distortion, inspected the fibre structure and bond strength of samples, found technics parameters of produce clad plate and analyzed their infections on bond strength
分別利用沖擊法和靜壓法在常溫下制備了覆al復合鋼板，研究了這兩種復合鋼板的鋸齒變形規律，檢測界面顯微組織和結合強度，找到制備復合鋼板的工藝參數，並分析其對復合鋼板結合的影響。Machining deformation of aircraft monolithic component is simulated by finite element method ( fem ) and validated by experiment. the initial residual stress in pre - stretched plate is generated by simulating quenching and stretching processes. with a single tool - tooth milling process fem, the machining loads in monolithic component material removing is obtained. restart - calculation is put forward to complete the whole simulation of machining process. to verify the fem result, an experiment is carried out. the deformation distribution of the monolithic component resulting from fem shows a good agreement with the experiment result, which indicates that the key technologies presented in the paper are practicable and can be used to simulate the milling process of monolithic component to predict its deformation. lengthy and expensive trial and error experiment process can be avoided
在模擬淬火、拉伸過程獲得含有初始殘余應力的預拉伸板材以及模擬單齒切削過程獲得切削載荷的基礎上，提出並採用接力演算法，對一航空整體結構件的材料銑削過程進行有限元模擬，同時進行了試驗研究.結果表明，有限元模擬的整體結構件的變形與試驗具有一致性，從而證明提出的整體結構件加工模擬關鍵技術的可行性，避免了為研究加工變形而進行的繁瑣的試錯法Firstly, the paper introduces the development and application of computer graphics & image technique, discusses the principle and method of cg and digital image processing, such as matrix of the graphic transformation, homogeneous reference frame, sampling and quantization of the image, file format of the image, template operation, etc. secondly the paper introduces the purpose and method of image enhancement processing, explains the each occasion of those methods such as threshold transformation, smoothing processing, sharpening processing, analyzes and contrasts the processing results of object image. thirdly, the paper introduces the method of mathematics morphologic, edge detection and thinning processing, attains character description of image and character dots of the contour. fourthly, the paper processes the coordinate transformation to character dots and basic splines fitting, imports correlative condition to devise meshing line and meshing track
本文首先介紹了計算機圖形圖像技術的發展與應用情況，對計算機圖形學和數字圖像處理的一些基本理論和方法如圖形變換矩陣、齊次坐標系、圖像采樣和量化、圖像文件格式、模板操作等內容進行了討論：然後對圖像增強處理的目的和方法進行了介紹，對諸如閥值變換、平滑處理、銳化處理等方法的應用場合進行了說明，並對實物圖像的處理結果進行了分析與比較；接下來介紹了數學形態學方法、對增強后的圖像進行邊緣檢測的方法和圖像的特徵描述方法，並獲取輪廓的特徵點：隨后對獲取的特徵點進行坐標變換，並進行b樣條曲線擬合，引入相關條件生成齒輪副的嚙合線及嚙合軌跡：最後引入等值線和區域填充表示方法，並以等值線和區域填充的形式對弧齒錐齒輪嚙合模擬的載荷分佈情況進行了直觀的表示。By the net - shape forming technology, metal sheet is used as a blank, the cylindrical cup is produced through blanking, deep drawing, and etc, and then the cup is clamped to a mandrel rotated together with the main spindle, the pulley is finally produced by several different spinning rollers, which apply the radial spinning forces to the cup in different positions
鈑制帶輪是以金屬板料為毛坯，經過落料、拉深等沖壓工序製成圓筒狀，然後將其裝夾在帶有頂壓座的芯模上，使其隨主軸一起旋轉，通過若干不同齒形的旋壓成形輪分別沿徑向施加壓力而成形。For installations on lapped - type siding, a siding wedge is supplied to give a finished look
對于倒齒滑動安裝，要配置一個側面楔形板，美化外觀。And relying on this, our laboratory proposes a new cladding method. by means of large dynamic explicit fem code ansys / ls - dyna, the numerical simulation was carried out in bimetal forming process. during the simulation of the forming process, the large deformation of the strip should be considered, as well as geometrical and material nonlinear, the contact between the roller and the strip, the contact between two metal sheets and the load. as for these problems, we can use node to surface contact and relative parameters, biso model is introduced, the load is applied as array
本文採用ansys / ls - dyna計算程序為分析工具，對鋸齒形雙金屬復合板成型過程進行計算機數值模擬，在對軋制過程模擬時，針對軋件變形的幾何非線性和材料非線性特點、軋輥與軋件間的接觸、軋件間的接觸以及模型的加載等問題，給出了在ansys / ls - dyna中相應的解決方法：應用nodetosurface接觸方式，設定相應參數，選用雙線性等向硬化模型，載荷作為array施加在剛體質心。The results indicate that the time of press influences sawtooth distortion greatly, but infects sawtooth less. root of the sawtooth made by the method of static simulating rolling have no changes hardly, and from the upper distance the changes became, then on the top the sawtooth curves to the opposite direction
結果表明：壓制時間對齒形的變形影響較大，對齒型的影響很小；模擬軋輥壓制的鋸齒，根部一段幾乎沒有變化，是從一段距離開始變形，然後在頂端向相反的方向彎曲；壓製成型后，鋁板厚度的變化很小。分享友人