球徑平面 的英文怎麼說
中文拼音 [qiújìngpíngmiàn]
球徑平面
英文
diametral plane of a sphere- 球 : 名詞1 (以半圓的直徑為軸 使半圓旋轉一周而成的立體; 由中心到表面各點距離都相等的立體) sphere; glo...
- 徑 : Ⅰ名詞1 (狹窄的道路; 小路) footpath; path; track 2 (達到目的的方法) way; means 3 (直徑的簡稱...
- 平 : Ⅰ形容詞1 (沒有高低凹凸 不頃斜) flat; level; even; smooth 2 (高度相同; 不相上下) on the same l...
- 面 : Ⅰ名詞1 (頭的前部; 臉) face 2 (物體的表面) surface; top 3 (外露的一層或正面) outside; the ri...
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The main factors affecting the precipitation in the first stage of rainy season in fujian province are pacific sst in preceding june, the western pacific subtropical high area index in preceding may, the asia polar vortex area index in preceding september, the eurasian meridional circulation index in preceding april to june, the 500hpa height in northwest asia in preceding spring. the main factors affecting the precipitation in the second stage of rainy season in fujian province are pacific sst in preceding july and august, the northern hemisphere polar vortex area index in january in same term, the pacific polar vortex intensity index in preceding september, the 500hpa height in south europe in preceding summer
( 2 )影響福建省前汛期的主要因子有:前期6月太平洋海溫場、前期5月西太平洋副高面積指數、前期9月亞洲區極渦面積指數、前期4 - 6月歐亞徑向環流指數和前期春季亞洲西北部500hpa高度場;影響后汛期的主要因子有:前期7月太平洋海溫場、前期8月太平洋海溫場、同期1月北半球極渦面積指數、前期9月太平洋區極渦強度指數和前期夏季歐洲南部500hpa高度場。Consisting of the protracting graph of hydrogen - like atom ' s angle distributing, computer simulation of the symmetry of molecular orbital and chemical reaction mechanism, showing the molecular point group and symmetry element, computer simulation of molecular vibration, bravias ' s crystal lattice and their transforming, extracting of plane periodic lattice, extracting of solid periodic lattice, close packing of isometrical pellet and the structure of simple mental substance, close packing of unequal pellet and crystal structure of representative ionic crystal, computer simulation of phase analysis by x - ray diffraction
內容包括類氫原子角度分布圖的繪制,分子軌道對稱性和反應機理的微機模擬,分子點群和對稱元素顯示,分子振動運動的微機模擬,布拉維晶格和晶格轉化,平面點陣抽取,立體點陣抽取,等徑網球的密堆積和金屬單質結構,不等徑圓球密堆積和典型離子晶體結構, x射線多晶衍射的微機模擬十個子模塊。The conventional sphere model of earth and circle model of orbit are discarded, and the ellipsoid model and the ellipse model are selected for further research, which achieves a method to determine the target position through the antenna pointing direction. and the spaceborne sar system design and simulation software is brought forth. this software accomplishes sar system coefficients design for antenna area, pulse repetition frequency, signal bandwidth, downlink data rate, radar transmitter power and satellite platform yaw steering
本文從星載雷達的星地幾何關系入手,舍棄傳統星載合成孔徑雷達研究中的球地球模型和圓軌道模型,研究了在地球橢球模型和橢圓軌道模型下由雷達天線確定目標坐標的方法,並在此基礎上研製了星載合成孔徑雷達系統設計與模擬軟體,完成雷達系統天線尺寸、脈沖重復頻率、信號帶寬、雷達信號數據率、雷達發射功率、衛星平臺的偏航牽引等幾個方面的系統參數設計以及雷達多普勒特性、雷達系統模糊、雷達定位及精度的分析,最後完成雷達回波信號的模擬。Wenhua sporting goods factory, covering an area over ten thousand square meters, is a specialized manufacturer of snooker tables, american - style pool tables, pingpong tables, soccer tables, pneumatic tables, basket supports and auxiliary parts incorporating product design, manufacture and sale
廣東文華體育用品總部在廣州花都區,廠房佔地面積一萬多平方米,是以設計、生產、銷售撞球臺、乒乓球臺、足球機、風動臺、籃球架、健身器械、室外健身路徑、及各種兒童樂園游樂設施為主的專業體育用品廠。When sno2 wt % was controlled for 10 %, the square resistance of sn - in2o3 was minimum. through the characterization of in2o3 / sno2 nano powders, some conclusions were drawn : sno2 nano powder is rutile structure, and in2o3 and sn - in2o3 nano powders are cubic structure. in2o3 / sno2 nano powders were well dispersing with spherical uniform grain, and the mean grain was 4 - 50 nm
通過對inzo3 / snoz納米粉體表徵,得出inzo3 / snoz納米粒子多呈球形、顆粒均勻、分散性良好、組分均勻、純度較高、平均粒徑在4一50lun左右、比表面積達67一156mz / g ; snoz納米粉為正四面體金紅石結構, inzo3和sn一inzo3納米粉為體心立方結構。This paper mainly aims at the strategic demands for large - aperture lightweight mirror proposed by high - tech development. its main research contents are : select material blank for lightweight mirror according to physical and chemical properties of optical glass ; analyze and calculate the deformation quantity of the mirror with finite element method ; design and optimize mirror body structure of 400 lightweight plane mirror and 450 lightweight spherical mirror, analyze glass cutting principle, design specisl - use grinding wheel structure, select reasonable technological parameters to implement the processing of weight reduction holes on 400 plane mirror ; analyze etching mechanism of hydrofluoric acid, look for the technological parameters such as the optimal acid concentration and etching time etc. ; eliminate the stress of weight reduction holes and micro - cracks on 400 lightweight plane mirror ; discuss the processing principle and
本論文的研究主要是瞄準國家高技術對大口徑輕型鏡的戰略需求而開展的。主要研究內容是:根據光學玻璃的物理與化學性能,選擇輕型鏡坯材料;用有限元法對鏡子的變形進行分析、計算,找出變形規律,優化設計400mm輕型平面鏡、 450mm輕型球面鏡鏡體結構;分析玻璃切削原理,設計專用磨輪結構,選擇合理工藝技術參數,完成400mm平面鏡輕量化減重孔的加工;分析氫氟酸腐蝕光學玻璃機理,尋找最佳酸濃度、腐蝕作用時間等工藝參數,實現400mm平面鏡減重孔應力與微裂紋的消除;討論分離器加工原理和工藝技術特點,完成400mm平面輕型鏡面形加工。The microstructure, granularity and morphology of the product were characterized by epma - 1600. epma - 1600 studies showed that the ultra - fine active zinc oxide was spherical structure with distribution and granu
結果表明:超細活性氧化鋅的形貌為球形,且分散均勻,粒度均勻,其平均粒徑為100nm ,比表面積為41m ~ 2 g 。Several test results of other, nff - axis aspheric mirrors are also given. all of the mirrors have accuracy better than 1 / 40x, and have fulfilled the demands by designer
實踐證明,本文的研究適用於大口徑離軸非球面反射鏡的加工,有效地提高了非球面的加工效率和精度水平。This paper makes a professional research on the spatial organization of harbin metropolitan area. through extensive field survey information, define the geographical scope of harbin metropolitan is harbin as area center, an area of about 35, 000 square kilometres in size, with a radius of 100 kilometres around the region of radiation, including at the harbin city and the surrounding wuchang, shuangcheng, acheng, shangzhi, binxian and zhaodong. social - economic development, urbanization and rural development zone building contributed to the development of common harbin metropolitan area formation ; with the reform and opening - up program and the continuous deepening of global economic integration, harbin metropolitan area will face in the future development of more opportunities and challenges
本文對哈爾濱都市圈空間組織進行實證研究,通過對大量的實地調查資料,界定了哈爾濱都市圈的地域范圍是以哈爾濱為中心,幅員面積約3 . 5萬平方公里,區域輻射半徑為100公里左右,現階段包括哈爾濱市及周邊的五常市、雙城市、阿城市、尚志市、賓縣和肇東市;社會經濟的發展、開發區的建設以及鄉村城市化的發展共同促成了哈爾濱都市圈的形成;隨著改革開放的深入和全球經濟一體化的不斷深入,哈爾濱都市圈在未來發展中將面臨更多地機遇和挑戰。As for the change of reaction temperature, a good appearance of microspheres will be observed. after heat treatment we obtain the mesoporous sio2 microspheres, the morphology, size and size distribution of microspheres before and after sintering were investigated by using the scanning electron microscopy ( sem ). the desorption of water and ethanol and decompostion of polymers in microspheres were analyzed by using tg - dsc machine
當r 1時將導致微球產生破裂,而r 4時則生成凝膠狀物質;其他條件不變時,微球形貌隨ph值的增大逐漸變差,最終破裂;乙醇含量增大時,微球粒徑逐漸增大;而隨著反應時間的進行,顆粒逐漸長大,微球形貌不斷完善,表面逐漸平滑;反應溫度的變化會得到更光滑的微球表面,微球粒徑隨之增大。In this paper, we study and analysis the base distribution in human dna sequences. on the basis of the distribution sphere whose radius equal to 1 / 4 by zhang et al. expounded, with the method of plane mapping figure studying 6000 human dna sequences, and according to the figure of sierpinski gasket ' s patch and the brillouin zones of the face - centered cube, we obtain two new distribution figures, one is the frustum - octahedron, another is the regular - octahedron
我們在zhangetal .提出的人類dna序列的堿基分佈為半徑是1 / 4球分佈的基礎上,用平面投影圖的方法研究和分析了6000組人類dna序列的數據,並且根據塞爾賓斯基鋪墊的補形和面心立方的布里淵區圖形提出了兩種新的分布圖,一種是正八面體,另一種是截角八面體(十四面體) 。With increasingly cultural globalization and recent changes in international relations, the national cultural order is evolving accordingly. in order to understand the structure of the new international cultural order and to find the practical approaches and solutions for the problem in the new cultural order, we have to accurately comprehend the recent changes, the new features and the arising problems in the national cultural relations during the course of globalization. therefore, this dissertation work, by choosing new international cultural order in the globalization as the research topic, thoroughly analyzes international cultural relations in the time of globalization ; outlines the new changes, the new features, and the new problems emerging from the international cultural relations in the globalization and their effects on constructing a new international cultural order ; and furthermore tentatively conducts some theoretical analysis on the possible formations of the new international cultural order and their implementation approaches
因此,本文以國際文化關系研究中的核心概念為切入點,全面分析了全球化時代國際文化關系領域出現的新變化、新特徵、新問題,研究了全球化背景下的文化自覺與文化交流、文化霸權與文化沖突、以及文化全球化的發展與文化融合,在此基礎上,提出了全球化時代多元互動、平等互補、共存共榮的國際文化新秩序的戰略構想,並嘗試性地提出了實現這一美好戰略構想的四條途徑和方法,即促進多極格局、創造優良環境;堅持求同存異的原則、倡導文化對話;堅持互學互補的方針、反對文化霸權;堅持和而不同的原則、促進多元共存。And the value drop to the lowest at ph = 0. 8. as the increase of heat treatment temperature, the pore size distribution peak of sio2 microspheres is very narrow, meanwhile the specific surface area is the smallest before 160 c. the polymer template is removed at 350 c, so the pore structure of sio2 particles has a big change which involve the increase of specific surface area and the broaden of pore size distribution peak. with the continuous raise of temperature the sio2 network will shrink little, as a result the average pore size will decrease, but the specific surface area has no obvious change
結果發現:二氧化硅膠體顆粒均勻分佈於脲醛聚合物網路中,煅燒去除有機模板后微球表面變粗糙,而粒徑沒有明顯變化; ph值較小時,復合微球中聚合物含量較大,而ph值較大時,得到復合微球結構鬆散,因此熱處理后的二氧化硅微球孔容及平均孔徑都較大,而在ph = 0 . 8時,得到最小值;武漢理工大學碩士學位論文隨著熱處理溫度的變化,小於160時,空分佈較窄,而比表面積較小,在350時,由於有機模板的去除,微球孔結構發生突變,比表面積明顯增大,而孔徑分佈變寬,溫度繼續升高時,二氧化硅網路發生收縮,平均孔徑變小而比表面積由於有機炭化物的完全去除沒有太大變化;微球中的微孔在熱處理過程中處于平衡狀態,分佈沒有太大變化。Elastic - plastic analysis for soil around anchor jacked pile in this paper, the course of penetration is regarded as expansion of cylindrical cavity in infinite soil mass. combining with the knowledge of elastic mechanics and plastic mechanics, we can make analysis for soil around pile. finally, we can educe the cylindrical cavity pressure, radius of plastic zone, radical displacement in elastic zone, excess pore water pressure in soil around pile and spherical cavity pressure at the end of pile
錨桿靜壓樁樁周土體的彈塑性分析該部分是文章的主要工作所在,本文把壓樁過程樁周土體的本構關系看作是水平面的平面應變小孔擴張問題,利用小孔擴張原理,結合彈性力學以及塑性力學的知識,對壓樁後土體的性狀作出分析,得出樁對土的擠擴作用力、樁周土體塑性半徑、彈性區的位移,壓樁完成瞬時樁周土體彈性區和塑性區的超孔隙水壓力以及樁端球形孔擴張的擴張力。Based on the analyses, it was found that if the subsurface warm pool is regarded as the beginning point, the warm or cold signal propagates initially eastward and upward along the equatorial surface of msta to the eastern pacific and stays there several months and then turns north, usually moves westward near 10 to western pacific and finally propagates southward to return to warm pool to form an off - equator closed circuit. it takes about 2 to 4 years for the temperat ure anomaly to move around the cycle. if the smta of warm ( cold ) water is strong enough, there will be two successive el nino ( la nina ) events during the period of 2 to 4 years
) a事件下/負海溫距平信號的分佈和傳播「軌跡」 ,發現如果以暖池次表層為起點,則一般來說,暖水或冷水先是沿赤道的極值深度面向東、向上「傳播」或運動,到達赤道東太平海盆邊界附近后,分別轉向向北和向南運動,然後在南、北緯10左右再折向西運動,並在暖池的經度范圍內再作經向運動傳到暖地,即在南、北半球以赤道為一邊, 「傳播」或運動路徑形成扁的閉合環路,溫度距平運動一圈需時2 - 4年。The process of penetration is regarded as expansion of cylindrical cavity in infinite soil mass. combining with the knowledge of elastic mechanics and plastic mechanics, we may make analysis for soil around pile. and we may deduce the cylindrical cavity pressure, radius of plastic zone, radical displacement in elastic zone, and excess pore water pressure in soil around pile and spherical cavity pressure at the end of pile
本文闡述了樁土共同作用理論原理,對坑式靜壓樁的樁周土體作彈塑性分析,把壓樁過程中樁周土體的本構關系看作是水平面的平面應變小孔擴張問題,利用小孔擴張原理,結合彈性力學以及塑性力學的知識,對壓樁後土體的性狀進行分析,得出樁對土的擠擴作用力、樁周土體塑性半徑、彈性區的位移,以及樁端球形孔擴張的擴張力。Secondly, the two - dimensional hotibc was applied to the anisotropic coated bor. solutions for bistatic rcs based on a planar hotibc solution were compared to the mom solution or the mie series solution in isotropic case. accuracy and limitations of hotibc imposed by the finite radii of curvature on the bor such as sphere, and discontinues surface curvature such as cone - sphere were investigated
計算過程和結果與矩量法進行比較,討論了高階張量阻抗邊界條件在表面曲率半徑連續和不連續的三維目標上的應用精度和應用條件; 6 、給出多層介質塗敷平面、球面和半球面結構雷達吸波材料優化設計的統一表達式。This dissertation theoretically analyses the multi - agent systems ( mas ), coordinate principles and strategies of conflicts resolution ( cr ), and, based on the bdi mental state model, studies the extension inference principle and extension methods for conflicts resolution. the dissertation also proposes the dynamic path planning for mobile robots and decision making expert system for soccer game
本文通過對多智能體系統( mas )的理論及其協調機制與沖突消解方法的分析,從基於bdi思維理性平衡的物元agent模型、可拓推理機制和沖突消解方法、到智能機器人動態路徑規劃和機器人足球系統的決策專家系統等方面進行了研究。分享友人