shape constant 中文意思是什麼
shape constant
解釋
形常數-
That shape, something like an apple sliced downward through its core, would be constant for a bar magnet
形狀像蘋果的向下穿過它的果核的心形薄切片，對條形磁鐵來說磁線是恆定不變的。 -
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。 -
Our company is specialiaed in producing varous styles of outdoor products and the series of the leisure chairs, such as camping chair arm chair, folding chair made of good quality fabric and alum or iron tube, camping bed, etc. our products, novel in design, reasonable in structure, beautiful in shape and easy to handel, have been exported to many countties such as europe, america and oceania, gaining favourable comments from the clients with strict management, high quality and excellent service. " quality first, customer supreme " is the constant pursuit of our company and our pronise is that " guarantee quality, prompt delivery, competitive price " we sincerely hope to cooperate with you
沙灘椅，折疊椅產品有休閑椅沙灘椅折疊桌椅搖椅釣魚凳行軍床蹦床花架等質量居國內同我公司是專業生產戶外休閑用品的外貿型企業，公司設備先進技術力量雄厚，主要行業前茅。目前產品已遠銷歐亞美等十幾個國家和地區，深受海內外客商好評。 -
The section of traditional portal rigid frame are constant cross - section and wedge shape variable cross - section, this paper brings up a component cross - section ? ripple web plate variable cross - section. according to main specially characterist of portal rigid frame, this paper use matlab to work out analytical software. it ' s concrete analysis includes : endogen force and displacement caculation of rigid frame, stability analysis in and out flat surface of rigid frame, geometrical nonlinear analysis of rigid frame. and make comparison between ripple web plate variable cross - section portal rigid frame and constant cross - section rigid frame
傳統的門式剛架的構件截面為等截面和楔形變截面，本論文提出了一種構件截面形式? ?波紋腹板變截面。本論文根據門式剛架的主要特點，利用matlab高級編程語言編制了4個分析軟體，其針對性強，具體分析包括：剛架的內力與位移計算，剛架的平面內與平面外穩定分析，剛架的幾何非線性分析。 -
Based on the lab orthogonal tests, using self - manufactured constant head permeameter, the effect of gravel content, void ratio and particle shape on the coefficient of permeability of soil - rock - mixture was studied
本文採用室內正交實驗，利用自製的常水頭滲透儀，研究了礫石含量、孔隙比和顆粒形狀3個因素在不同水平下對土石混合體滲透系數的影響。 -
The rhythmic space in these works is interpreted as a constant opening, a continual flowering of elements in perpetual transformation. it is as if chan were pausing on the threshold of recognising the shape as an icon
東西兩種美學傳統激蕩出陳國強的作品，而他亦能將東西藝術特質熔於一爐，發展出其個人的精彩語匯。 -
On condition that the volume of particle is equal, the effective permittivity of penny shape particle is the biggest, that of the needle shape is second, and the spherical shape is the last. when the thicker of shell is constant and the radius of core is bigger, the effective permittivity is less. the effective permittivity will change acutely when the thicker of shell is close to the radius of core ; with the radius of core increasing, the effective permittivity of core - shell type particle will approach that of no shell type particle
在相同的形狀下（如便士形和針形） ，粒子的大小對于等效介電常數沒有影響；對于核殼形夾雜顆粒復合材料，當殼的厚度一定時，隨著核的半徑的增大，復合材料的等效介電常數越來越小；當殼的厚度和核的半徑較接近的時候，復合材料的等效介電常數將會發生急劇的變化；隨著核的半徑的不斷增大，核殼型顆粒夾雜復合材料的等效介電常數將逐漸的趨近於沒有殼的夾雜顆粒復合材料的等效介電常數。 -
The variable polarity power supply circuit uses two stages full - bridge inverter, the former inverter is regarded as a constant - current source with fast dynamic response, and supplys energy for the second one, and the latter one is to produce variable polarity current excellently, and low - frequency pulse current by variable polarity power supply is used to reduce input energy and control the shape of weld bead while welding. a series of high - frequency pulse current is superposed on direct - current - electrode - negative ( dcen ) current through the high - frequency pulse power supply, which is used to compress the arc and improve process of crystallization
其中變極性電源採用二次全橋逆變結構，一次逆變提供快速的響應速率並給二次逆變提供能量，二次逆變提供良好的變極性性能，使輸出能量最優化，並用其低頻電流特性減小電弧線能量，控制焊縫成形;高頻脈沖電源提供的高頻電流疊加在反極性電流dcen上，利用電流的高頻特性壓縮電弧，改善焊縫金屬結晶過程。 -
The study demonstrated that linear visco - elastic parameters of rheological models built by theoretical modeling methods were constant while nonlinear visco - elastic parameters were not constant and changed as stress level changed and that visco - plastic parameters determined the shape of stress - strain curve
研究表明：運用模型理論建立的流變模型的線性粘彈性參數在低應力水平下是惟一的，但非線性粘彈性參數不惟一，並隨應力水平的變化而變化，而粘塑性參數的大小決定了應力應變等時曲線的形狀。 -
Shape and spring back of constant torque spring
定型發條的形狀及翻動過程 -
The landscape pattern is in the constant development and change, and today ' s pattern took shape based on the past landscape flows, including natural, social, economic and various kinds of ecological processes, therefore through analyzing the landscape pattern change at different time, we can reflect the landscape ecological processes, expound succession mechanism and rules in landscape, predict the variation tendency in the future of the landscape, and realize the sustainable utilizing of landscape resource finally
景觀格局不僅體現著自然的、生物的和社會的各種生態過程在不同空間尺度上相互作用的結果，同時又決定著各種自然環境因子在景觀空間上的分佈和組合，從而制約著各種生態過程，影響著景觀內能量流、物質流和物種流的變化。因此，通過研究景觀格局可以更好地理解生態學過程，通過分析景觀格局隨時間的變化可以反映景觀生態過程，揭示景觀演替的機制和規律，進而預測景觀的未來變化趨勢，最終實現資源的可持續利用。 -
In those experiments wave shapers have been utilized to modify the incident wave so that the condition of constant strain rate is satisfied more sufficiently. the effect of outer factors on the stress equilibrium of early stage in the specimen was analyzed, and the methods to improve the uniformity of stress in specimen at early stage were given. the elastic wave velocity of specimens can be determined by the wave shape fitting of the predicted transmitted wave with the measured transmitted wave at the early stage, furthermore, the shifting - time in shpb data processing can be determined
在shpb實驗中採用波形整形技術使入射波的上升沿變寬；分析了影響shpb實驗中試件早期應力平衡的外部因素，給出了改善早期應力均勻性的方法；採用透射波的早期預估波形與實測波形作對比的方法確定了shpb實驗數據處理中的延遲時間；因而在實驗中得到了比較準確的應力應變曲線。 -
Keeping displacement constant, the length of dfz decreased. the less the lattice resistance is, the longer the dfz is. during the crack propagation, the pile - up dislocations may move forward in the previous direction or in another direction which caused shape of dfz changed. the dislocations emitted from the crack tip might pile up in the dfz and can be served as dislocation source in the successive loading
在裂紋擴展過程，反塞積位錯群發生變化，可以沿原來方向繼續向前運動，也可能改變運動方向使無位錯區的形狀發生變化，后來發射出的位錯可以在原五位錯區中塞積，並可作為位錯源在後續的加載中發射位錯。 -
For the bldcm which has a neither sinusoidal nor trapezoidal back - emf, that is, for a general shape back - emf bldcm, this dissertation proposes a novel id = 0 vector control method. by this method, the iq for a constant torque to produce is calculated through coordinate transformation, and the reference iq is tracked by vector control in the dq0 frame
對于實際反電動勢波形既非正弦又非梯形波的無刷直流電動機，提出一種新型的任意波形反電動勢無刷直流電動機的i _ d = 0矢量控制方法，通過坐標變換浙江大學博士學位佑文摘要求解產生恆定電磁轉矩所需的q軸電流，並在dqo坐標系下通過矢量控制對q軸參考電流進行跟蹤。 -
Based on the analysis of bugs of general planetary bevel - type cvi, a new design concept, which is about the shape modification of planetary disk, is presented for improving the planetary bevel - type cvt reported in paper [ 1 ], the purpose of the new concept is to improve the stress of the main parts, in order to reduce sliding rate and to achieve transmission with constant power and constant sliding rate
摘要在分析通用行星錐盤無級變速器缺陷的基礎上，提出了針對文缺[ 1 ]所述的恆功率行星錐盤無級變速器的錐盤形狀進行改進的設想，以改善主要工作件的受力狀況，降低機器滑動率，並最終實現恆功率恆滑動率傳動的目的。 -
After direct manipulation of radius, constant or variable radius area in mesh model can be modified quickly and exactly. using this method, rounding shape of a part or die can be directly modified on shell meshes for finite element analysis. ( 3 ) data segmentation on shell meshes is studied
對于已有的圓角過渡區域網格，根據圓角過渡特徵與基網格面的相切關系以及給定的新的圓角半徑，計算出輪廓線上各頂點對應的坐標，直接修改頂點的坐標值，保留網格模型原有的拓撲結構，使形成的新的網格與原有網格融為一體。 -
Our research is to design the mould arid optimize the molding parameters such as temperature and pressure and finally make the fender to meet the design requirements. also the fluidity and thermal conductivity of gmt are studied and theoretically analyzed the fluidity of gmt is studied by compressing the round shape gmt sheet under constant temperature
本課題研究的主要目的是制定模具設計方案，優化成型工藝參數（溫度、壓力制度等） ，研製出滿足國產悍馬軍車擋泥板設計要求的製品；同時結合產品的研製，對gmt材料的流動性能、熱傳導性能進行初步的探索，為gmt製品的工業生產提供指導。 -
In chapter one, we investigate the influence of the boundary on the shape of the space - like hypersurface with constant mean curvature or constant scalar curvature in the lorentz - minkowski space ln + 1
第一章對于lorentz - minkowski空間中的常平均曲率或常純量曲率的類空超曲面，探討了邊界對超曲面形狀的影響。 -
The result is that the constant-energy surfaces are distorted from the spherical shape.
結果，等能面不再是球形，而是扭曲的。 -
3. because of the severe occluding of drilling crop leaves, it was difficult to extract shape and texture feature, so a new approach to detect the between - rows weed was discussed on the basis of the position feature, where crop was regularly sown as a constant row space and most weed were distributed on the bare - soil between crop rows during 3 leaves to 5 leaves seedling stage
針對小麥等條播作物田間場景中葉片嚴重交疊致使形狀和紋理特徵提取困難的問題，利用條播作物3 5葉苗期田間場景中作物成行排列、雜草多數分佈於作物行之間的裸土區的特點，研究了位置特徵識別行間雜草的方法。
分享友人