相當半徑 的英文怎麼說

中文拼音 [xiāngdāngbànjìng]
相當半徑 英文
equivalent radius
  • : 相Ⅰ名詞1 (相貌; 外貌) looks; appearance 2 (坐、立等的姿態) bearing; posture 3 [物理學] (相位...
  • : 當Ⅰ形容詞(相稱) equal Ⅱ動詞1 (擔任; 充當) work as; serve as; be 2 (承當; 承受) bear; accept...
  • : Ⅰ數詞1 (二分之一) half 2 (在 中間的) in the middle; halfway 3 (比喻很少) very little; the l...
  • : 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...
  • 相當 : 1 (兩方面差不多; 配得上或能夠相抵) match; balance; correspond to; be equivalent to; be equal to...
  1. The radii of atoms and ions defined in this way have a close correlation with other traditional sets of radii, which indicates that they are applicable and predicable

    離子的邊界與shannon - prewitt、 pauling離子存在好的關聯,顯示了其合理性和可應用性。
  2. I have taken impotance to analyze the rallying point of famous product, concrete cost and capability of providing and guarantee in this artical, meanwhile, i have caculated the quantity of concrete needed for the year and got the regression equation with the historic data for drilling footage of eight years and the consuming quantity of oilwell cement by the method of linear regression, and it has very significance for the making of stock contract and the plan of concrete production, i have analyzed the physical distribution of oilwell cement by the transpotation flex and the advantage or disadvantage between direct distribution and distribution to store in this artical, and i have tried to find the balance point of the two distribution ways by the ecnomic analysis and pointd out the conception of economic semidiameter, and come to the conclusion of direct distribution, distribution to store, and subarea of distribution to store at last

    本文對油井水泥供應商在品牌號召力、水泥成本、供應保障能力等方面進行了詳盡分析,並對供應商進行了能力排序;用線性回歸方法從八年鉆井進尺與油井水泥消耗量的歷史數據推算了年度油井水泥需求量,得出了回歸方程,這對于油井水泥采購合同的制訂、水泥供應商生產計劃的制訂具有重要的意義;從運輸彈性分析出發對油井水泥物流配送進行了研究,對直達配送、入庫配送的優缺點進行了詳細的分析,在經濟分析的基礎上力求找到兩種配送方式的均衡點,並提出了經濟的概念,得出了直達配送、入庫配送、入庫分區距離等幾項結論。
  3. According to the guidline, two nd : yag lasers have been designed and set up, one is end - pumped by lower output power ld using a selfoc micro lens, and the other is end - pumped by high output power ld using a pair of lenses are designed, and the characteristics such as output power and power stabilization of both solid - state lasers are investigated. thirdly, when an empty liquid crystal cell is inserted in the cavity of the nd : yag laser pumped by high power ld, the laser can operates in single axial mode. finally, according to the relationship between the laser output power and the longnitudinal a ld - end - pumped nd : yag laser sensor for displacement measurement has been investigated theoretically and demonstrated experimently, the results indicate that when the mean radius of pumping inside the laser cavity is far less than that of the oscilating laser mode, the exponential of the output power is a gauss function of the longitudinal positon of focused spot of ld pumping beam, both the measurement range and the sensitivity are dependent on the incident pumping power, as the incident pumping power is increased, the measurement range is enlarged and the sensitivity is improve d

    本文首先介紹了ld泵浦nd : yag激光器的發展狀況、主要特性及其應用,從四能級速率方程出發,推導了ld泵浦nd : yag激光器的閾值、輸出功率和斜效率的表達式,並簡述了激光器的工作原理、結構型式和倍頻方法;其次,以空間關的速率方程為基礎,提出了ld端面泵浦nd : yag激光器的設計方法,給出了一定泵浦耦合方式下,振蕩光模尺寸、最佳輸出耦合率、泵浦光模尺寸、泵浦光焦斑位置等參數的選取依據,以此為依據,設計了自聚焦透鏡耦合小功率ld泵浦nd : yag激光器和透鏡組耦合高功率ld泵浦nd : yag激光器,對激光器的輸出功率和功率穩定性等特性進行了實驗研究;再次,在帶尾纖輸出的高功率ld泵浦nd : yag激光腔內插入一隻空液晶盒,觀察到了激光器以單縱模運轉;最後,根據泵浦光焦斑端面位置對激光輸出功率的影響規律,提出了ld端面泵浦nd : yag激光位移傳感新方法,並進行了理論和實驗研究,研究結果表明:激光晶體內泵浦光平均光斑遠小於振西安理工大學碩士學位論文蕩光束腰時,激光輸出功率的自然指數與泵浦光焦斑的縱向位置成高斯變化規律,測量范圍和靈敏度依賴于泵浦功率,隨著泵浦功率的增加,測量范圍擴大,靈敏度提高,端面泵浦功率為7 . 24w (最大輸出功率為1 . 926w )時,激光位移傳感器的測量范圍和靈敏度分別是13 . 045mm和0 . 148mw / pm 。
  4. The roche limit for the earth is a small fraction of the radius of the moon's orbit.

    地球的洛希極限于月球軌道的一小部分。
  5. The radius of color screening in medium is in inverse proportion to the density of color charge and energy. when the radius of color screening is smaller than that of resonance state, strong interaction will decrease sharply and bound states ca n ' t exist

    因為介質中的色屏蔽反比於色荷密度和能量密度,屏蔽比共振態尺度小時,強互作用力會減小得很厲害,使得束縛態不可能存在。
  6. 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

    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,殼的厚度一定時,隨著核的的增大,復合材料的等效介電常數越來越小;殼的厚度和核的較接近的時候,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。
  7. In our country, many railway lines which were built in mountainous area have heavy gradient and curves with small radius. so it is difficult to improve them and a great amount of cost is needed in the modification of them

    由於我國幅員遼闊,有多的鐵路處于山區,線路坡度大、曲線小、建設標準低,如果按照三大幹線標準改造線路使之適應提速要求,鐵路的改建很困難,所需人力物力不亞于修建新鐵路,不適合我國目前的國情。
  8. A burnedout star could collapse to so small a radius as to make the effects of general relativity quite important near its surface.

    一個燃燒完的星球可能坍縮到如此之小的,以致在其表面附近,廣義對論效應重要。
  9. After a fairly torrid first half in which mourinho ' s men lacked any real outlet, robben was introduced for makelele to inject a bit of much - needed youthful pace into the blues ' game

    經過了一個熱情的上場,而中穆里尼奧的人缺乏任何真正的發泄途之後,羅本入替馬克萊萊為藍戰士的比賽注入一點極為需要的活力速度。
  10. When the given point set is a local separate sample of a closed surface set or an overall separate sample with known radius of sampling hole, the algorithm will reconstruct a correct result ; when the separate condition is not satisfied at some points, the algorithm will give result with corresponding holes

    所給點集是閉曲面集的局部分離樣本或已知采樣空洞的全局分離樣本時,本演算法將給出正確的重建結果;所給點集在某些樣點處不滿足分離條件時,演算法將給出應的空洞以供參考。
  11. If damage hardness equals to damage intensity, when n -, materials is elastic, then the radius of damage area is the same as the radius of ideal elastic - plasticity materials

    如果取損傷剛度和屈服強度同,n時,材料為彈性材料,那麼損傷區的與理想彈塑性材料的塑性區的同。
  12. This is understandable in terms of conservation of angular momentum. as the radius of rotation decreases, the rotational speed will increase accordingly

    這現象可用角動量守恆定律來解釋:旋轉縮短時,旋轉速率就應加快,以保持角動量不變。
  13. The integration corresponds to adding successive shells to the core until the core has radius r.

    這個積分于把一系列球殼加到球核上,直到球核的等於R時為止。
  14. The reason that the noise is lower with inclining tongue is : 1 ) both the radius of the tongue and the gap between the tongue and the blade are changed across the wideth ; 2 ) the phase angle between blade and the tongue is changed across the wideth, therefore the peak value of the noise do not appear at the same time, so the peak value of the noise with inclining tongue is much lower than the straight one. the influence of the expanded angle of the shell of the fan on the noise was invested experimentally, and the optimal angle was got

    傾斜蝸舌降噪的主要原因是:一是改變了從氣流入口側到風機輪盤的蝸舌間隙和蝸舌;二是改變了葉輪與蝸舌非定常互作用的位差,使其產生噪聲也有位差,迭加的結果進一步降低了噪聲。另外,試驗研究了不同蝸殼擴張角對風機噪聲及效率的影響規律,蝸殼擴張角選擇否,對效率和噪聲影響較大。
  15. Also, the microscopic analysis of pore structure with different fractal feature comes to the conclusion that the reservoir rocks with similar fractal nature have similar pore type, depositional environment and diagenetic process, and the fractal dimension sill increase with pore radius ( or total number of pore throats ) decreasing

    此外,根據對不同分形特徵孔隙結構微觀分析,得出分形特徵似,其孔隙類型,沉積成巖過程似,喉道變小(或孔隙總數減少) ,分形維數增加的結論。
  16. With the calculation result we can find that the inhomogeneous takes much less effects on the result with small core - radius ratio than that with great core - radius ratio and the small core - radius ratio ' s effect can be ignored, thus the calculation is same as homogeneous plate. the plate with great core - radius ratio should be calculated referenced the means given in this thesis

    計算結果表明,在過渡區域很小的情況下,不均勻性對圓板計算結果的影響也很小,基本上可以忽略不計,按照均勻圓板計算;過渡區域和比較大的情況下,不均勻性對計算結果的影響變得非常明顯,此時,工程上的設計計算應該參考本文提出的方法進行。
  17. In chapter five, the reflection of solitons at more than two bifurcations are studied. the maximum reflections will take place when the radius of each branch is same

    結果表明:所有動脈分支的同時,將會出現最大反射,動脈血管的不均勻性將影響血流脈沖的振幅。
  18. Otherwise, the trust region radius is reduced and a new trial point is selected. it is possible that the region subproblem need to be resolved many times before obtaining an acceptable step, and hence the total computation for completing one iteration might be expensive. this article combines approximate trust region path and nonmonotonic backtracking strategy to solve nonlinear optimization subject to linear inequality constraints, that is, we use approximate trust region path to get the research direction by minimuming quadratical model in the trust region by employing

    本文在求解線性不等式約束優化問題時,將近似信賴域路與非單調信賴域方法結合,即在信賴域內沿近似信賴域路得到一極小化二次模型的搜索方向後採用回代法避免重復求解信賴域子問題,在此演算法中搜索方向不被接受時,就用非單調線搜索技術得到接受步長,定義新的迭代點。
  19. The integration corresponds to adding successive shells to the core until the core has radius r

    這個積分于把一系列球殼加到球核上,直到球核的等於r時為止。
  20. The critical current and ac losses in hts tapes were measured under different winding radii and pulling stress. a theoretical model was proposed to describe the relationship of critical currents and ac losses with the winding or pulling stress - strain. it is shown that the calculated values were in agreement with the measured results quite well

    實驗測量了高溫超導帶材在不同彎曲及不同拉伸應力下的臨界電流與交流損耗;建立了高溫超導帶材的交流損耗和臨界電流隨彎曲與拉伸應力?應變變化的理論模型;利用該理論公式計算的結果與測量結果符合得好。
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