精確積 的英文怎麼說
中文拼音 [jīngquèjī]
精確積
英文
sharproduct-
The staple conversation on the farms around was on the uselessness of saving money ; and smock - frocked arithmeticians, leaning on their ploughs or hoes, would enter into calculations of great nicety to prove that parish relief was a fuller provision for a man in his old age than any which could result from savings out of their wages during a whole lifetime
附近農莊上常談的主要話題是攢錢沒有用處身穿粗布罩衫的數學家們，倚著鋤頭或者犁歇息時，就會開始精確地計算，來證明人老后教區提供的全額救濟金，比一個人從一生中掙的工資中積攢起來的錢還要更充足。Don ' t let inaccuracy hold you back in lab ! this video introduces the proper methods for measuring precise volumes of liquid using pipets, burets, volumetric flasks, and syringes
不要讓不精確在實驗室阻礙你!此影片介紹正確方法來使用滴管、滴定管、量瓶和注射器精確測量液體體積。Exact computation of the burning surface area is lengthy.
燃燒面積的精確計算是非常繁難的。Cuboid chamber maximizes the effective cubage. microprocessor controller for temperature ensures a precise and reliable control
長方體工作室，使有效容積達到最大，微電腦溫度控制器，控溫精確可靠。Multiple depositions of patterns to different filter types, including dichroic, can be aligned with remarkable micron - scale precision and repeatability
多層不同濾光器類型的圖案沉積，包括二色性的技術，可以提供卓越的精確度和可重復性。The generation of tensor product surfaces of every kind of curves is straightforward ; these corresponding tensor product surfaces also contain many special surfaces, including spherical surface, ellipsoid, hyperboloid etc
對于每一類曲線作者均將它們直接推廣到張量積曲面，這些曲面可以精確表示球面、橢球面、雙曲面等二次曲面。Collisonal quantum interference ( cqi ) was observed in the intramolecular rotational energy transfer in the experiment of the static cell, and the integral interference angles were measured. to observe more precise information, the experiment in the molecular beam should be taken, from which the differential interference angle can be obtained precisely. in this paper, the theoretical model of cqi is described in an atom - diatom system in the condition of the molecular beam, based on the first - born approximation of time dependent perturbation theory, taking into accounts the anisotropic lennard - jones interaction potentials. the method of observing and measuring correctly the differential interference angle is presented. the changing tendencies of the differential interference angle with the impact parameter, velocity, and et al. are discussed
分子內部轉動傳能的靜態池實驗觀察到了碰撞量子干涉效應（ cqi ） ，並且測得積分干涉角，為了獲得更加精確的分子內部轉動傳能的碰撞量子干涉效應信息，實驗就必須要採用分子束實驗進行.本文理論上採用各項異性相互作用勢，應用含時微擾理論的一級波恩近似，假想在分子束實驗的條件下，建立在原子-雙原子分子體系中碰撞量子干涉的理論模型.理論上推導出微分干涉角具體表達式，通過計算定性地討論了微分干涉角隨著碰撞參數、速率等的變化趨勢，同時初步探討了實驗的正確觀測途徑，得出了採用分子束進行實驗觀測的實驗方法，為進一步進行分子束實驗提供了理論基礎，對實驗的進行起到了一定的借鑒作用Measurement precision contribute to improving the security class and economic of boiler running and automatic level of whole plant. the smart measurement instrument of the boiler ’ s air flow designed in the thesis and the instrument can make the degree of accuracy get to. firstly, the thesis build the “ velocity - area ” method which is on basis of “ log - tchebycheff ” on the analyzing of basic measure method of boiler ’ s air flow. secondly, model86 averaging pitot tube was selected the right model of flow transducer which can pickoff the differential pressure and static pressure. modelc264 which made in setra system corp. u. s. a was selected as ultra low differential pressure transmitter. a good flow of boiler ’ s air was calculated by offsetting pressure and temperature. finally, numeroscope was designed with z80cpu and other chips
精確的監測有助於提高鍋爐燃燒的安全型、經濟性，也有助於提高電廠的整體自動化水平。本文設計的智能化鍋爐風量測量裝置能夠實現對鍋爐送風的精確測量，精度可達。本文首先研究鍋爐送風矩形大管道測量理論，提出在流來流量測量測點布置基於「對數-切比雪夫」法的速度-面積法。The novel vertical carrier - free linear cluster system phoebus for the economical deposition of amorphous and microcrystalline silicon light absorbers by pecvd ideally combines the strengths of proven vacuum production platforms to precisely focus on the needs of solar cell producers : process stability, productivity, yield, footprint, costs of ownership
新的立式無載體線團系統」菲波斯」 （ phoebus ） ，以pecvd方法經濟地鍍膜無定形的和微晶硅吸光體，理想地結合各種證明可靠的真空生產平臺的優點來精確的聚焦于滿足太陽能電池生產者的需求:工藝的穩定性，生產效率，合格產量率，佔地面積和擁有運營的總成本Among various fabrication techniques of thin film, the sol - gel process has gained much interest for the preparation of pzt thin film, due to ihe advantages of good homogeneity, easy control of composition, low in - ill i reaving temperature, easy formation of large area thin films pb ( zrxti : - k ) 0 :, ( pzt ) films were prepared on the ito coated glass plates and low resistor silicon wafer in sol - gel dip - coating process associated wi di heat treatment : at different temperatures and characterized by x - ray diffraction ( xrd ) and transmission electron microscopy ( tem ). lt is shown that the pzt ferroelectric thin films with ( 110 ) preferred orientation and well - crystallized perovskite structure can be obtained after annealing at 680 ? for 30 minutes on ito substrate and at 800 " c for lornin on silicon substrate
Pzt的制備方法有很多，其中溶膠?凝膠（ sol - gel ）方法可以和集成電路（ ic ）光刻工藝相互兼容，處理溫度低，有大面積塗敷性能，能精確地控制組分，無需復雜的真空設備，成本低廉，所以對于集成鐵電薄膜電容的應用這種方法有很廣闊的前景。本文利用sol - gel技術在摻錫的in _ 2o _ 3透明導電薄膜（ ito ）襯底和低阻硅襯底上成功地制備了pzt鐵電薄膜。運用了x射線衍射， sawyer - tower電路和lcr電橋分別對薄膜的晶化溫度，結構和電學性能進行了測試。In this paper, we will introduce an accurate and stable method which bases on mot to solve dielectric objects and metal - nonmetal composite objects
在本文文章中，介紹了一種基於時間步進法求解介質目標、金屬非金屬組合目標時域積分方程的精確，穩定的方法。Due to the importance of the accuracy of the time - domain impedance matrix elements, the techniques by which treating of the singular integrals and near singular integrals arose from the tdie - mom solving process are analyzed in detail, and these techniques are utilized to solve the tdie. in the end, using triangle patches discretizing arbitrarily 3 - d dielectric objects and metal - nonmetal composite objects surface and utilizing spatial rwg and temporal triangular bases, the tdie are solved by mot algorithm
最後，分別對三維介質目標、金屬非金屬組合目標散射體表面用三角貼片離散，並在空間上採用rwg基函數，在時間上採用三角型時間基函數、利用阻抗元素的精確演算法計算出阻抗矩陣，再運用mot法分別求解了介質體目標，金屬非金屬組合目標的時域積分方程，並分析了金屬非金屬組合目標分界面上的等效電流與等效磁流的特性。2. the software of measuring the areas of 2d - materials could exactly count the leaf area. the correlation coefficient of leaf area measured by traditional copy method and scanning method was significant high ( r = 0. 997l )
2 、該軟體能夠快速精確的測定葉片面積，計算機掃描法與傳統的復印稱重法測定植物葉面積的相關系數r為0 . 9971 ，達極顯著水平。On this base, a more precise volume model of concrete is established and one conception of dry mortar volume is brought forward. at the same time the author absorbed the concept of the best ratio between paste and aggregates and used mathematical method to induce the formulas of water content and ratio between fine aggregate and coarse aggregate in concrete : ratio between fine aggregate and coarse aggregate : if the two formulas are connected with the classical rule of water cementitious materials ratio ( bolmy formula ), the contents of all materials in concrete can be determined completely by calculation and overall calculation proportioning is realized
在此基礎上建立了普遍適用的更精確的混凝土體積模型，提出了「干砂漿體積」概念，同時吸收國外關于最佳漿集比概念，用數學方法推導建立了混凝土用水量和砂率的計算公式：用水量公式：砂率公式：這兩個公式結合傳統的水膠比定則（保羅米公式） ，即可全面定量地確定混凝土的所有組成材料的用量，實現混凝土的全計算配合比設計。On the basis of current investigation of both the domestic and foreign and current level of development, and contraposing difficulties and keys of autofocusing and measurement, this paper brings forward system of autofocus and measurement based on techniques of image processing of ccd. this system possesses merits of fast speed, high precision, small bulk and large dynamic range. it is able to carry out needs of fast, accurate, large range autofocusing and requests of noncontact and online measurement of workpiece face runout
本論文根據目前國內外現狀和發展水平，針對自動聚焦和端面跳動測量的關鍵點和難點，在普通光學儀器的基礎上提出了一種基於ccd圖像處理技術的圖像式自動聚焦及其測量系統，該系統具有速度快、精度高、動態范圍大、體積小等優點，實現了快速、精確、大范圍的自動聚焦和對工件端面跳動進行非接觸、在線測量的要求。In this method the stress resultants of concrete in the cross section are evaluated by accurate integrating method and the resultants of structural steel and reinforcing bars are obtained using the fiber element method. the final nonlinear algebraic equations are solved using an iterative quasi - newton procedure based on the regula - falsi numerical scheme
應用該計算機方法，截面上的混凝土內力採用精確的積分方法求得，結構鋼與鋼筋的內力則由纖維元方法計算，而最終的非線性代數方程組由分離變量的擬newton - raphson迭代方法求解。Experiment indicates that the system has fast - speed, high precision, small bulk and dynamic range and well - extensible characteristics
實驗表明該系統具有對焦速度快、范圍大、對焦精確，系統精度高、體積小，可擴充性好的特點。A simply and analytical formula of the axial light intensity distribution behind a circular aperture is derived by using the helmhotz - kirchhoff integral theorem and the kirchhoff ' s boundary conditions. it is studied the nonparaxial on - axis intensity distribution throughout the whole space behind a circular aperture. an accurate formula to calculate the fresnel number of circular aperture is presented and the validity of usual fresnel number formula is reexamined. by using the analytical formula and diffraction integral formula, some numerical simulation comparisons are done, and it is shown that the results of the two methods are completely coincident
用亥姆霍茲-基爾霍夫積分定理和基爾霍夫邊界條件，推導出了平面波經小圓孔非傍軸衍射時軸上強度的簡單解析表達式，研究了平面波經小圓孔后整個衍射空間非傍軸的軸上光強分佈.給出了計算圓孔菲涅爾數的精確公式，重新檢查了通常的菲涅爾數公式的有效性.數值計算顯示，應用解析表達式所得的結果與應用衍射積分公式所得的結果完全一致Even in this case the equations of motion cannot be integrated exactly.
即使是在這種情況下，運動方程也是不能精確積分的。During the above iteration, the stress resultants of the concrete in the cross section are evaluated by integrating the concrete stress - strain curve over the compression zone, while those of the structural steel and the steel reinforcement ( if any ) are obtained using the fiber element method
迭代計算過程中混凝土的截面抗力通過對混凝土應力-應變曲線在截面上的精確積分求得，而型鋼和鋼筋部分的截面抗力則採用纖維元方法求得。分享友人