形狀級 的英文怎麼說
中文拼音 [xíngzhuàngjí]
形狀級
英文
form class-
In this paper, we give a brief introduction to the helfrich elastic theory. to solve the helfrich equation under the physical conditions of vesicles, a taylor series method is introduced, which offers a unified method to reproduce the exact solution including the famous axisymmetrical constant - curvature surfaces and the biconcave shape solution
本文在簡要介紹了helfrich的彈性理論及膜方程的基礎上,開創性地引入taylor級數法,在軸對稱膜的邊界條件下,對helfrich膜方程以taylor級數法求解,統一地得到了目前已知的兩個特解:常平均曲率曲面和紅血球形狀解。We have our own processing factory with a team of 9, 000 workers, and we are capable of manufacturing synthetic cut stones cubic zirconia, glass, red corundum, synthetic spinelle, etc of many shapes and colors in series. they are graded into aaa, aa, a, ab, b, etc
富寶寶石工藝有限公司自設加工廠,還擁有一支總人數超過九千多人的特約加工隊伍,生產能力強大,能生產各種形狀和顏色的人造寶石立方氧化鋯玻璃紅剛玉合成尖晶等系列產品,產品等級分為: aaa aa a ab b級等。Guang dong shun de jun an hong bao metal products is the leader, which specializing in all kinds of superior metal products and promotion gifts. our products covering metal cover cigerrat case, stainless wine bottle, tobacco pipe and cup and so on
廣東順德市均安鎮鴻寶五金製品廠,是以行業中著名品牌精工生產款式多樣的金屬皮煙盒,精美時尚各類形狀的不銹鋼酒壺,高貴、優雅有個性的煙斗,旅行三疊不銹鋼杯及各類高級金屬禮品、用品專業廠家。The light guiding unit on the surface is composed of sub - micron gratings whose transmission wavelengths are red, green and blue in order. the light source are red 、 green 、 blue led or semiconductor laser array. to enhance the light utilization, the surfaces of light guide plate except the incident and transmitted surfaces are coated with metallic film
本文設計的亞微米光柵型導光板為矩形狀的,導光板上表面的導光單元是由三套出射光主波長分別是紅光632 . 8nm ,綠光521nm ,藍光441 . 6nm的亞微米光柵組成,光源採用的是紅、綠、藍三色發光二級管或者半導體激光器陣列,為了提高光能利用率,除入光面和出光面外,導光板其餘面都鍍上金屬膜。Standard test method for particle size analysis and sand shape grading of golf course putting green and sports field rootzone mixes
高爾夫球場用綠呢和運動場草皮根層混合物的粒徑分析和沙形狀分級的標準試驗方法Considering that the characteristics of our country ' s highway tunnels are always of long spans, tabular and of various geometry, by means of thorough analysis of the different problems existed in the design of support structures of the tunnels at present, this paper pays special attention to the two key problems, optimization method of form selection of structural section of the tunnel as well as the stability and bearing capacity of the support structures, in the design of the long and large tunnel on high - class highway, introduces the simplified complex - form optimum method in the structure optimization theory, discusses the optimum design model of lining section of highway tunnel with satisfying demands in building clearance, ventilation and load conditions, puts forward an optimization method of form selection of three different kinds of lining sectional forms ( i. e. single - center circle, three - center tabular circle and three - center sharp circle ), establishes a complete set of systematic optimum design the ory and method of long and large tunnel on high - class highway, develops the corresponding computer software used on the planned xuefeng mountain highway tunnel on shaoyang to huaihua expressway in hunan province for optimization of form selections of the structural sections, and obtains a series of relatively reasonable structural design parameters
本文針對我國公路隧道多為大跨度、扁平、幾何形狀呈多樣化的特點,通過深入分析目前隧道支護結構設計中存在的各種問題,抓住高等級公路長大隧道設計中隧道結構斷面的優化選型及隧道支護結構的穩定性與承載能力兩個核心問題,引入結構優化理論中的簡易復合形優化方法,深入探討了滿足建築限界、通風條件、受力狀態約束等條件下公路隧道襯砌斷面優化設計模型,提出了三種襯砌斷面形狀(單心圓、坦三心圓和尖三心圓)的優化選型方法,建立起一套完善的高等級公路長大隧道的系統優化設計理論與方法,並開發出相應的計算機程序,用於擬建的上海至瑞麗國道主幹線湖南省邵陽至懷化高速公路雪峰山長大高速公路隧道的結構斷面優化選型,得出了一系列較為合理的支護結構設計參數。Shape - coefficient can be determined by the ratio of the particle length
顆粒形狀對分級的影響可以通過測量顆粒的長徑比來確定形狀系數。Compared with a delta wing aircraft, the double - delta wing configuration has better aerodynamic performance at high angles of attack. an operational analysis was introduced as a method for evaluating training effectiveness of trainer aircraft. approaches to the engineering estimation of aerodynamic characteristics for aircraft with a double - delta wing configuration were studied, and the procedures for determining aircraft performance indices formulated. taking training effectiveness as the objective function and geometric parameters of the wing platform as design variables, through a numerical multivariate optimization arithmetic, the conceptual design optimization for a certain fighter trainer aircraft with double - delta wing configuration was carried out under the constraints of tactical and technical requirements and interrelated geometry. agreement of a calculation example with engineering practice indicates that the optimal design has higher training effectiveness than the baseline design, and in addition, improves the structural force - bearing conditions
雙三角翼氣動布局比三角翼飛機具有更好的大攻角空氣動力特性.引入了評估教練機訓練效能的作戰分析法,研究了雙三角機翼布局飛機空氣動力特性的工程計算途徑以及飛機性能指標的確定方法.以訓練效能作為目標函數並選取機翼平面形狀的幾何參數為設計變量,採用多變量數值尋優方法,在戰術技術指標及相關幾何約束條件下,對某高級教練機的雙三角機翼氣動布局方案進行了優化選擇.算例表明最優方案不僅比原準方案具有更高的訓練效能,還改善了結構的受力情況,與工程實踐吻合The effect of the shape of particles, the density and velocity of feeding, grain size distribution and temperature to the efficiency and precision of classification were studied
通過實驗來分析顆粒粒度分佈、顆粒的形狀、給料速度、料漿濃度以及溫度對分級精度和分級效率的影響。The presented model of fruit shape can improve the shape description both in qualitative and quantitative analysis. the model is used as basis for shape classification. it may simplify the classification process and make the process more effective
本中提出的水果果形模型使形狀的描述從定性提高到定量分析的水平,為果形分級提供了依據,使形狀分級過程簡化而且有效。Images of huanghua pears were acquired by means of machine vision system the method to describe the shape of irregular fruit was studied, in which the fourier transform and fourier inverse transform were applied a sort of software for fruit shape identification based on artificial neural network was developed
利用機器視覺採集黃花梨圖像,研究了不規則果品的形狀描述方法,提出在黃花梨的分級過程中採用傅立葉變換與傅立葉反變換對來描述果形,開發了基於人工神經網路的果形識別軟體。Moreover, taking the fatlute model of the covering parts of motorcycle for an example, it discussed the measurement plan method of prototype and the process of data handling. 2. pretreatment of points cloud according to the characteristic of scattered point cloud data, the issue elaborated in detail points cloud registration, which was based on the shape characteristic matching
論文運用一級模糊綜合評判方法研究了復雜曲面產品的數字化策略,並以摩托車覆蓋件油泥模型為例,討論了樣件的測量規劃方法和數據的處理流程; 2 、點雲數據的規范處理針對散亂點雲數據的特點,詳細闡述了基於形狀特徵匹配的點雲對正方法。The envelop functions of ground motion for the small - moderate earthquakes in the near - source field are different with those of the larger earthquakes. there are not stationary part any more in the envelop function of these ground motions. after we analyze the characteristics of these envelope functions we take a exponent function instead the three part function
近場的中小地震由於其在到震源的距離與震級方面的特殊性,其時程包絡函數的形狀與遠震、大震有很大的區別,在遠震、大震包絡函數中很常見的平穩段不再存在。A program of shape optimization for two - dimensional continuum structures, which is carried out on msc. patran & nastran panel, is described in this thesis, according to a two - phase control theory presented by professor sui yunkang, the optimization is treated as a sequential quadratic programming problem
本文根據隋允康教授提出的二級控制理論,將二維連續體結構的形狀優化問題處理成序列二次規劃問題進行了優化。A worm grading device is installed in the machine, which will release the satisfied particle from the grinding chamber to avoid over - gringing. in this way we not only makes super fine powder, but also we make the particles uniform and even. this machine can carry out dry - grinding and grading operation for all kinds of organic substance and mineral substance, so the powder made by this machine is widely used in the chemicals, metallurgy, mine, energy, electronics, medincine, pesticide, plastic, paper - making, pigment, painting, dyestuff, grinding - stuff, food and cosmetics industries
該機內裝高效蝸輪分級機,能使被粉碎后的合格細粉及時分離,迅速排出機外,避免「過粉碎」 ,不僅能制取超微粉,而且還有產品粒度分佈窄、均齊性高、顆粒形狀便干控制、產品分散性好、可廣泛應用於化工、冶金、礦業、能源、電子、醫藥、農藥、塑料、造紙、顏料、塗料、染料、磨料、食品、化妝品等行業,能對各種有機物和無機物進行乾式粉碎和分級作業。Second, we development the influence of flamethrower shape, root air, the obliquity of spin vane and block heat board for the air current in the firebox by simulating them through two phases calculate
然後通過兩級計算的方法,分別對不同海拔高度、噴火筒形狀、根部風大小、旋流葉片的傾角以及有無回熱板時對燃燒室空氣氣流組織的影響進行模擬。Quality grading of fruit is an important item in post - harvest handling and marketing, it is mainly performed according to its shape, color, size and various kinds of defects and blemishes
蘋果的品質分級是水果產后處理和市場銷售的一個重要環節,主要依據其形狀、顏色、果梗、果徑(大小) 、各類缺陷等指標進行。Water proof fabric, the shape is like a travel carry on bag !
一樣是防水材質! !而且形狀就像是一個高級的肩背旅行包!In contrast, the best - known shape - memory alloy, nickel - titanium, which also demonstrates this super - elasticity, soon gets hard and brittle with frequent deformations
相較之下,最為人所知的形狀記憶金屬鎳鈦合金雖然也有類似的超級彈性,但在反覆變形之後,就會變得堅硬而易脆。All the senses are discussed but vision is covered most extensively, with topics including the perception of color, motion, form, and depth
所有的感官都將會被討論到,但是視覺所涵蓋的內容較多,其所探討到的議題有色彩、運動、形狀級深度視覺。分享友人