錐模 的英文怎麼說
中文拼音 [zhuīmó]
錐模
英文
prod cast-
The study is imitating subulate tool penterite armor fabric by method of test for puncture of paperboard and corrugated fiberboard, and to ascertain the laver of armor fabric for absorb energy and arrestment, and any difference angle to compare the rank of defying ball, for understanding the sharp to the rank of annor fabric defy penterite energy, and penterite deep, the lose energy relation of sharp
摘要本研究是以沖孔強度試驗機測試,模擬尖錐利器攻擊穿刺防彈衣,且對于防彈衣層數間的阻抗作用及能量吸收的情形,並對各種不同角度的抗彈織物疊層排列作相互比較,進而?解尖錐對防彈衣的抗穿透層數之能量及穿透深度、錐度之能量耗損之間關系。The design of bi - hard alloy products of one pair of awls from that is moulded
帶倒錐硬質合金製品自壓模的設計In view of bearing capacity of the elastoplastic theory analysis, the author made a comparison between the achieved bearing capacity limit load pi / 4 of round base ( space problem ) and the limit load pi / 4 of bar groundwork foundation design ( plane problem ) from soil mechanics at home and abroad as well as foundation criterion, and explained why the value of formula in present design criterion from soil mechanics is inclined to be conservative. in the light of the author ' s many years experience of vibration test on the spot and the research work of relevant projects, the author worked over the dynamic pile testing of the bearing capacity of foundation and batholith, and gathered the parameter of dynamic analysis and testing. the author also talked over the difficult point of pile foundation design criteria in present batholith engineering world, i. e. the confirmation of batholith bearing capacity of pile end, from the following aspects : a ) confirmation of single axis counter - pressure strength of rock in house ; b ) f. e. m calculation of elastoplastic model ; c ) calculation of soil mechanics ; d ) deep well load test
然後,對巖土工程領域至今尚未解決,甚至不為人注意的考慮地基變形的地基承載力問題進行了實用化的探討,提出了考慮地基變形的地基承載力上程計算方法;對基於彈塑性理論分析的地基承載力國內尚未見報道的空間問題得到了圓形基礎(空間問題)的承載力界限荷載p _ ( 1 / 4 ) ,並與國內外土力學專著及地基基礎設計規范中的條形基礎(平面問題)的界限荷載p _ ( 1 / 4 ) ,進行了對比,從而定量上解釋了目前設計規范引用土力學承載力公式值偏於保守的這一情況;根據本文作者多年從事現場地基工程振動試驗及相關課題的研究工作,本文以截頭錐模型模擬地基,對地基(巖基)承載力的動測法進行了研究,為各類地基(包括巖基) ,匯總了動力分析和檢測川的參數:針對日前巖土工程界應用樁基設計規范中的難點? ?樁端巖基承載力的確定問題,從巖石室內單軸抗壓強度確定、基於彈塑性模型的有限單元法計算、土力學計算及深斤載荷試驗四方面進行了深入討論;本文作者根據多年現場載荷試驗的工程實踐,對深井荷試驗裝置的核心部分? ?反力裝置,設計了側壁支撐反力加載系統,該加載系統具有實用、簡便、穩定及安個等優點。Main products include suited offset point imprinter bearing sets comber gear for weaving industry metal mould and gear vacuum gear synchro gear worm worm wheel. acme whorl fitting and all kinds of fittings with various gears
主要產品:印刷行業各種膠印機和印后設備輪及軸承套,紡織行業精梳機輪,金屬板材壓延模具和輪,真空泵輪同步帶輪蝸桿蝸輪副acme螺紋副各種直斜錐及各種盤類和軸類件等機械加工件。Straight bevel gears for general engineering and heavy engineering part 2 : modules and diametral pitches
一般和重型機械用直齒錐齒輪.第2部分:模數和齒距In addition, the structure of field emission triode and double - gated field emission cathodes are also simulated by another software ( ebs )
其次,採用本實驗室的新型軟體ebs對三極體和雙門聚焦結構的尖錐場發射陰極的發射情況進行了模擬。With the use of finite method we have developed computer simulation software for vacuum microtriodes with wedge - shaped and cone - shaped cathode on the basis of stduying deeply the field emission theory of vacuum microelectronics. the software included field section, grid point numbering, and the calculation of electric currents, transconductance and cathode capacitance, moreover, it can simulate the properties of vacuum microeletronic with variant structures and sizes. the relationship was studied and simulated among electic properties and device structures, sizes and cathode materials etc. the optimized design of vacuum microtiode was proposed
本文在深入研究真空微電子器件場致發射理論的基礎上,根據圓錐形、楔形陰極真空微電子三極體的不同特點,分別建立了物理和數學模型,在考慮空間電荷密度影響的前提下,以有限元法為基礎採用迭代的方法計算出真空微電子三極體內的電勢分佈情況,繪制出了等勢線、電子軌跡線,並得到了器件電學性能隨幾何參數的變化情況。In order to solve the problems of which the spiral bevel gear of oerlikon type is necessary to out and modify repeatedly, a new method was developed to predict the contact pattern and greatly reduce the cost for manufacturing by means of building a tooth contact analysis model of prolate epicycloids bevel and hypoid gears for oerlikon skm2
摘要為解決奧利康錐齒輪加工過程中需要反復試切、修正的問題,根據奧利康skm2機床建立了加工延伸外擺線齒錐齒輪和準雙曲面齒輪的齒面接觸分析模型,提出了一種可預測齒面接觸質量、降低設計加工成本的新方法。Since complicated differential and integral operations were involved in the kernel of the integral equation, we simplified the equation and got the nakano equation. as instances, the planar archimedean spiral antenna, the planar equiangular spiral antenna, the monofilar helical antenna, the conical helical antenna with fixed ascending angle and the conical equiangular - spiral antenna were analyzed through the moment method. all of the results matched fairly well with the references and experiment results
這種方法的積分方程的積分核里含有復雜的微積分運算,為了簡化計算,本文在推廣的海倫積分方程的基礎上,對方程進行了簡化,推導了nakano方程,並以平面阿基米德螺旋天線,平面等角螺旋天線,軸向模圓柱螺旋天線,具有固定升角的圓錐螺旋天線和圓錐等角螺旋天線為例,用矩量法求解了天線上的電流分佈,研究了螺旋天線輻射的寬頻帶特性,所得的結果均與參考文獻吻合很好。On the base of resemble model, the figure of contracting pipe was changed, the generatrix became arc for once it was straight line, named resemble model
在相似模型的基礎上,收縮管的直線圓錐改造成母線為圓弧形的圓錐,稱相似模型。Based on the analysis of the advantage and disadvantage of both overseas and domestic closed cold forging equipment, closed cold forging equipment consisting of a nc precise forging hydropress and a set of hydraulic drive female die has been developed, hence realization of the precision die forging of key parts for car, such as bevel gears
摘要在分析了國內外現有閉式冷精鍛裝備的優缺點的基礎上,開發研製了數控精鍛液壓機和液壓傳動凹模模具裝置,構成閉式冷精鍛設備,實現了圓錐齒輪等轎車關鍵零件的精密模鍛生產。We can get electron density with the calculated phase and some common model formula ( such as sphere and cone ) in the wake of hypervelocity projectiles
由計算出的相位並根據彈道靶尾跡的一些常用模型(包括圓球體、鈍錐體等)公式,把相位轉化為尾跡的電子密度。In order to open the cover of a concentric canister launcher ( ccl ) automatically with the jet during its launching, four schemes are put forward, viz. fracturable cover, eccentrically positioned interior and exterior launching tubes, jet guides of assymmetric construction, and covers made of heterogeneous materials
摘要為實現導彈自力發射時同心發射筒前蓋自動向一側開啟,討論了4種燃氣開蓋方案:易碎蓋方案、內外筒偏心蓋方案、半導流錐方案和各向異性材料發射筒蓋方案,並用數值方法模擬了各種方案的筒內復雜三維流場。A new tapered multimode interference ( mmi ) - based coherent lightwave combiner is reported
摘要報道了一個新的基於錐形多模干涉的相干光波合波器。The tests were conducted in the hypersonic low density wind tunnel at nominal test conditions of mach 16, stagnation temperature 923k, stagnation pressure 1. 40mpa and 7. 30mpa. heat - transfer data were obtained on a hemisphere model, a sharp cone and a big blunt cone respectively by means of infrared thermal mapping techniques, that of a 0. 5mm thickness blunt cone by virtues of thermocouples. furth ermore, heat - transfer on all those models was calculated with the theoretical method
最後在名義m _ = 16 、 t _ 0 = 923k 、 p _ 0 = 1 . 40mpa及7 . 30mpa的高超聲速低密度風洞中,利用紅外熱圖技術獲得了半球圓柱、尖錐、大鈍頭三個模型表面熱流分佈,利用薄壁法技術得到了一壁厚為0 . 5mm的鈍錐模型表面的熱流分佈,並通過工程理論方法計算了模型表面的氣動熱,把理論計算結果與上述試驗結果比較,幾者符合得較好。Meanwhile, we point out the privilege and defective of cim. the fourth chapter is the main body of this paper. we explore how to apply the cim to solve unconstrained optimization problems effectively
第四章是本文的主要部分,探討了錐模型信賴域子問題的求解及不完全錐函數插值模型演算法的數值實現。At first, on the basis of the sufficient and necessary optimality conditions, we give a certain algorithm to compute the trust region subproblem ; then, we draw out a different scheme for parameter vector in cim
在分析子問題最優性條件的基礎上,我們給出了錐函數模型信賴域子問題的求解演算法;並從數據擬合的角度提出了對錐模型中參數向量的另外一種選擇方案。For the quasi - newton type trust region method based on the conic model solving unconstrained optimization, horizon vector of the conic medel is proposed, the unique optimal parameter is determined and the numerical results are given in this paper
摘要對于求解無約束優化問題的錐模型擬牛頓型信賴域方法,本文主要討論了水平向量的選取及最優參數的確定,並給出了數值試驗結果。In the third chapter, we explore the conic interpolation model ( cim ), including its origin, improvement contrasted with qim. especially, we give the computing steps and convergent property of the method proposed by ni and hu, because our further research is based on this method
第三章我們介紹了錐模型的起源和演算法的發展過程,並著重對于演算法模型的確立,演算法的詳細步驟,演算法所具有的優勢及存在的問題做了較詳細的介紹。A trust region method with a conic model for nonlinearly constrained optimization
解非線性優化問題的錐模型信賴域方法分享友人