長度常數 的英文怎麼說

中文拼音 [zhǎngchángshǔ]
長度常數 英文
length constant
  • : 長Ⅰ形容詞1 (年紀較大) older; elder; senior 2 (排行最大) eldest; oldest Ⅱ名詞(領導人) chief;...
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • : 數副詞(屢次) frequently; repeatedly
  • 長度 : length; longitude; size; extent; footage
  1. However, it is not easy to incorporate large n concentration in gap due to the large differences in lattice structure ( gan belongs to wurtzite structure while gap zinc blende structure ) and in lattice constant ( ~ 20 % ) between gan and gap, which will lead to an extremely large miscibility gap

    然而要在gap中實現高濃的摻氮並不容易。這主要是由於gap和gan之間較大的物理特性的差異,特別是晶格結構和晶格的差異,使得gap和gan存在較大的可混溶性間隙,從而難以生高質量的高摻氮的gap材料。
  2. The company develops the production the panoramic camera to use 120 or220 roll films, the lens focal distance scope : 28 - 300mm, the fuselageuses the pure metal numerical control processing, but preciselyestablishes the shooting angle, the entire automatic attire volume, receives the volume, and may control remotely the photography, in thephotography may the automatic compensation exposure ; the panoramicpicture enlarger and bright room panoramic picture making anenlargement machine may use in 80 cm length the panoram negative, extremely conveniently manufactures each kind of width the panoramicpicture

    公司研製生產的全景照相機使用120或220膠卷,鏡頭焦距范圍: 28 - 300mm ,機身採用全金屬控加工,可精確設定拍攝角,全自動裝卷收卷,並可遙控拍攝,拍攝中可自動補償曝光全景照片放大機和明室全景照片擴印機可用cm內的全景底片,非方便地製作各種寬的全景照片。
  3. Chang zhou ming yang the car accessories limited company is a profession to produce every kind of car type top tail clear water pot, wash away dirt pot well ventilated tube, brake oil cup etc. heavy type the fuel on the car a freshet a tool box. every kind of hollowness blow the a business enterprise for producting, and every kind of combination tool box etc. product, the product category is numerous, the equipments is well - found, through the experience backlog of few decadeses, the product quantity promotes continuously, the production scale extends gradually, can produce the specification minimum 50 grams of, biggest 15000 grams of, length is 1. 6 hollowness of rices blows a pack. product regardless in molding tool design, or production line, all already beyond the reach of the domestic goes together. my factory can also according to customer the need of the product specification, color and luster, come to kind design to order the system

    州市明煬汽車配件有限公司是專業生產各種車型上尾翼清水壺,洗滌壺通風管剎車油杯等。重型汽車上的燃油箱澎漲水箱塑料工具箱。各種中空吹塑箱包製品及各種組合工具箱等產品的企業,產品種類繁多,設備全,經過十年的經驗積累,產品質量不斷提升,生產規模逐步擴大,能生產規格最小50克,最大15000克,為1 . 6米的中空吹塑產品。
  4. ( 2 ) the liman problem is normally adopted to check the liability of numerical method. the calculation error was within 9 % by comparison with the theoretic solutions of liman problem in the following case, the dimensionless calculation length was 2 with high pressure zone 0. 8, and the dimensionless state parameters were p1 = 2, p2 = 1, p1 = p2 = 1, u1 = u2 = 0. experiment results in literature [ 8 ] were used to check the adaptability of the numerical model developed here for unconfined gas cloud explosions and the calculation error was within 13 %

    ( 2 )值方法的可靠性通用黎曼問題的解析解檢驗,本文以無量綱計算區為2 ,高壓區為0 . 8 ,狀態參為p _ 1 = 2 , p _ 2 = 1 , _ 1 = _ 2 = 1 , u _ 1 = u _ 2 = 0條件下的黎曼問題解析解對所編制的爆炸場計算程序進行了考核,結果表明該程序的計算誤差在9以內;為考核本文計算模型預測開敞空間氣雲爆炸的適用性,以文獻[ 8 ]的實驗據進行了校核,計算誤差在13以內。
  5. Fourth, the electrorheoldgical fluids composed of pan / batio3 nanocomposite and chlorated paraffin oil are prepared and the relationship between dielectric performance and electrorheological effect are discussed. fifth, the advantage and disadvantage of electrorheological fluids composed of different structure pan - batio3 nanocomposite are compared, which put a favorable basis for farther design and prepare electrorheological fluid with high performance

    研究結果表明:鈦酸鋇納米粉末在900處理時為最佳,隨熱處理溫的升高,粒徑大,而其介電隨著粒徑大,逐漸降低,在相同條件下,隨溫的升高,鈦酸鋇納米粉末的介電在120出現最大值。
  6. Abstract : the thermogram of s. dysenteriae of fungistatic action w as determined and the growth rate constant at different concentration of medicin e was calculated, and the optimum allowable concentration of the co salt complex abtained

    文摘:微量量熱法測定並研究計算了在不同濃的鈷配合物作用下痢疾桿菌的生速率和最佳用藥量。
  7. The results indicate that ( a ) before heat treatment, with the increasing of substrate temperatures, content of lower valency ( tij + ) decreases, the stoichiometric proportion of o / ti in all samples is about 2 ; the films have amorphous incompact columnar fiber structure, and with the increasing of substrate temperature, the size of columnar fiber increases ; the films have good hyalescence in visible range and great absorbability at the wavelength of 350nm ; optical constants of the films are calculated from the transmittance spectrums in visible range by mathematical analysis of the orders of interference, the results show that the refractive ind

    研究結果表明, ( a )熱處理前,隨著基片溫的增加,薄膜中的低價氧化鈦含量逐漸減少,化學計量比趨于o ti = 2 ;薄膜具有非晶態不緻密的柱狀纖維結構,柱狀纖維的尺寸隨基片溫的升高而增加;薄膜在可見光范圍內透明,在波為35onzn時嚴重吸收,利用干涉級次法分析了薄膜的光學,結果表明,薄膜的折射率隨基片溫的升高而增加,根據計算結果得到了tioz薄膜在不同基片溫下的折射率色散曲線。
  8. It is suggested that in the regions of aqueous soil with faster seepage velocity, either the tube - wells can be spaced adequately closer or for the same spacing the number of tube - wells and length of tubes can be reduced under the condition of assuring regular heat transfer effect

    在滲流速較大的富水地區,在保證規換熱效果的情況下,管井間距可適當減小,或在同樣管井間距下,可減少管井量或減小理管
  9. Abstract : determined the power - time curves of the promoter bacteria of ganoderma lucidum for e. coli, using 2277 thermal activity moniter, a new experimental model of promoter bacteria growth were established. the growth rate constant and heat output at different concentration of ganoderma lucidum have been calculated. from - c and q - c curves the optimum concentration has also been established

    文摘:用熱活性檢測儀測定了天然藥物靈芝對大腸桿菌起促菌作用的熱功率-時間曲線,並根據曲線建立了細菌生的新的實驗模型,按新模型計算了促菌作用下的生速率,發熱量及最佳促菌濃
  10. In practical applications, people generally get c. i. by probability symmetry. but the length of this kind of c. i

    應用上,通利用概率對稱來推求參的置信區間,利用這種途徑得出的置信區間的不一定最短。
  11. During the calculation of crystallography, we always need to make some calculation such as vector length, angle between vectors or planes etc. this is a group of scilab functions which can make some common calculation

    晶體學計算過程中經需要計算矢量、矢量夾角等。此scilab工具箱提供了一組適用於任何晶體結構的函,可以在輸入晶格的前提下,計算一些用的晶體學據。
  12. Gin is the abbreviation for grouting intensity number. it is showed by the product of the final grouting pressure p ( unit : mpa ) on the grouting section and the grouting volume v ( unit : l / m ) on every one meter of the grouting section, which means the energy consumed on every one meter of grouting section. according to gin method, if during the grouting construction, same energy is consumed on every grouting section, i. e. gin keeps to be a constant, an approximately uniform impervious curtain can be obtained

    Gin ( groutingintensitynumber )即灌漿強值,它用灌漿孔段上最終的灌漿壓力p ( mpa )和單位灌漿段漿液灌注量v ( l / m )的乘積表示,其含義為單位灌漿段上消耗的能量, gin法灌漿認為在灌漿施工中,保持各灌漿孔段上消耗一致的能量,即保持gin為,便可形成一道大致均勻的防滲帷幕。
  13. For large wavelengths, the velocity is constant

    對于的波,傳播速
  14. 3. based on the wall equation and k - ? model, the variable c ? and the variable lm were used to improve the numerical simulation of pipe flow with the tripping annulus at the inlet

    在壁函和-模型的基礎上,採用了變模型c _ ( l )和變混合l _ m的方法對入口處帶有擋環的圓管湍流模擬計算進行了修正。
  15. In accordance with different tripping annulus at the inlet, the numerical simulations of the reattachment length were performed with the " variable c ? " model. in the range of experimental reynolds number, the tripping effect on the reattachment length was developed in the figure. the dependence of the reattachment length on reynolds number was also analysed in the different status of pipe flow

    利用變模型的-模型針對不同尺寸的擋環進行了再附著的模擬計算,在實驗雷諾范圍內,建立了入口處擋環對再附著影響的變化曲線,分析了再附著在不同的管流流動狀態下相對于雷諾的變化情況。
  16. The goal of this paper is to study fully developed turbulent pipe flow. with the aid of the tripping annulus at the inlet, based on the experimental investigation and numerical simulation, detailed researches on a few basic rules in pipe flow have been performed, such as mean velocity profile, relative intensity of turbulence, the log - law, von karman ' s constant and reattachment length, thus filling some gaps in the research work of predecessors and obtaining a far - reaching understanding

    本文的目的就是利用入口擋環進一步探索充分發展的圓管湍流,通過實驗和值模擬對圓管湍流的若干基本規律,如平均速分佈、相對湍流強、對定律、馮?卡門和再附著等進行詳細的研究,以填補前人研究中的一些空白,並獲得更深入的了解。
  17. Finite difference time - domain method is used to calculate the reflection for these probes and absorbing boundary condition is used to deal with the singularity in the axis of the coaxial - line in the simulation. by comparing the reflection of different probes, the best probe has been selected according to sensitive requirement. the influence of parameters : such as thickness of protective film, length of protruding inner conductor of the coaxial - line probe to the measurement has been studied

    通過時域有限差分法進行值模擬分析,並採用吸收邊界處理同軸線軸心奇異點,計算出各種探頭測量相同溶液的反射系,根據其測量的靈敏,選出最優設計;並通過分析所選探頭的各種設計參,如薄膜厚、內導體伸出等的變化對測量結果的影響,找出該探頭各參的最佳范圍,使其具有高靈敏性,以適用於測量化學反應溶液的介電
  18. In the hardware implementation of a multi - channel active noise control system, the computational complexity is increased sharply when the number of filter coefficients and channels are increased

    摘要在多通道有源噪聲控制系統的硬體實現中,當通道目增大或濾波器時,規的多通道演算法運算量急劇增加,使控制器可能無法實時實現。
  19. The crystallization property were investigated by dsc. it was shown that the joining of ommt has a little effect on melting point of pp, the crystallization temperature of pp was improved obviously and the degree of crystallinity was increased ; through studying on kinetics of isothermal crystallization, the constant ( k ) of crystallization speed and crystallization speed ( g1 / 2 ) were lowered with rising of crystallization temperature ; half period of crystallizations and ( tp ) were delay with rising of crystallization temperature

    Dsc研究結晶行為表明:有機蒙脫土的加入對pp熔點的影響不大,使pp的結晶溫明顯提高,結晶增大;通過等溫結晶動力學的研究,結晶速率k和結晶速率g _ ( 1 2 )均隨結晶溫的升高而降低;半結晶期t _ ( 1 2 )和t _ p都隨結晶溫的升高而延
  20. It features linear feeding, stepping motor drive automatically, feeding corner - brace profiles according to requested process length and amount, so it is suitable to mass - cutting of corner - brace profiles

    工進形式採用水平直線進給,步進電機驅動,根據設定加工量自動送進角碼型材,非適用於大規格角碼的切斷。
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