等系數線 的英文怎麼說

中文拼音 [děngshǔxiàn]
等系數線 英文
iso-coefficient
  • : Ⅰ量詞1 (等級) class; grade; rank 2 (種; 類) kind; sort; type Ⅱ形容詞(程度或數量上相同) equa...
  • : 系動詞(打結; 扣) tie; fasten; do up; button up
  • : 數副詞(屢次) frequently; repeatedly
  • : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
  • 系數 : [數學] coefficient; ratio; modulus; quotient; factor
  1. A method to calculate quantitatively the adsorption volume or adsorption space of per mass of adsorbent derived from both the adsorbed molecule volume and the maximum adsorbance of a solute in an adsorption isotherm under a given experimential condition is presented firstly for a solid / liquid adsorption system of the solute in a dilute aqueous solution. this method is suitable for not only mono - layer adsorption, but also mani - layer adsorption and micelle adsorpion of surfactant constructed by hydrophile and lipophile groups. therefore, the surface concentration of the adsorbate, cs, deduced from the adsorption volume is possessed of the meaning of true concentration, and the value of the patition coefficient of the adsorbate between solid and liquid phass, p, attained by the cs and the c, solution concentration of the adsorbate, can be accurate. the foregoing a set of calculations are presented for the solid - liquid adsorption systems consisted of the wool fiber and separately dodecyltrimethyl - ammonium bromide ( dtab ) and hexadecyltrimethyl - ammonium bromide ( ctab ) in this paper. this provides a strong basis for adsorption thermodynamic investigation of adsorbate

    對稀溶液中溶質的固/液吸附體,首次提出了根據吸附分子體積和實驗條件下吸附中的最大吸附量計算單位質量吸附劑的吸附體積或吸附空間的方法.此法適用於單層吸附,也適用於多層吸附和具有親水親油結構的表面活性劑分子的膠團吸附.由此,吸附質的表面相濃度cs具有真實濃度的含義,相應地,計算得到的溶質的固/液分配p就有了準確值.分別計算由溴代十二烷基三甲銨( dtab )和溴代十六烷基三甲銨( ctab )與羊毛纖維構成的液/固體分配,為溶質吸附的熱力學研究奠定了基礎
  2. If the velocity of atoms is near to zero, the light for ces will tend to confine the atoms near to nodes and antinodes. the stability depends on the magnitude of the negative slope of the light force, the depth of the potential well and the momentum diffusion coefficient. it is important to select the parameters, e. g

    如果通過激光冷卻能使原子速度降至很小甚至為零,光壓力的作用將使原子被較穩定地囚禁于激光駐波場的節點和反節點處,其穩定程度取決于該處光壓力曲負斜率的大小、對應勢能的勢阱深度以及動量擴散的大小,因此,如何在實驗中合理選擇激光強度、失諧量顯得尤為關鍵。
  3. According to the system technology require, adopting singlechip realize open loop digital control of hdclsm ; using v / f conversion and complex key - control method realize digital setting of system parameter, such as velocity ; using micro - stepping control insure the motor running more smoothly ; adopting debasing speed control method to eliminate the mechanical impact of distance termination effectively ; at the same time, analyzing main power circuits drive circuit and protect circuit of system, completing hardware design and facture and software programming and debugging ; at last, making a whole test in hybrid rotary step motor. the experiment result indicates that this control system reaches the qualities required and run smoothly also

    根據統技術要求,採用單片機實現了混合式直流直步進電動機的開環字控制;利用v f變換和復合鍵控方法實現了統轉速字設定;利用細分控制技術保證了電機運行的平穩性,並進行了波形分析和理論研究;採用單片機軟體降速控制策略解決直步進電機行程末端的機械沖擊問題;同時對主功率電路、驅動電路和統保護電路進行了分析,完成了硬體設計、製作和軟體編程、調試,最後在混合式旋轉步進電動機上進行了全面測試。
  4. As to the critical technological problems of the interlock control of three - car coke oven - oven number identification, accurate contraposition and data transmission, the author proposes solutions respectively - rfid, three - light positioning device, coke oven controller and radio transmission network. these solutions can ensure accurate identification of the oven number. for example, the deviation of the automatic parking position is within 10mm

    針對三車聯鎖控制環節的關鍵技術:爐號識別、精確對正和據通信,本統採用了射頻識別( rfid )裝置、三燈位置檢測裝置、焦車控制器、無通訊網路解決方案,可實現無差錯的爐號識別,自動停車定位誤差在10mm以下,通信據可靠統要求。
  5. The signal we named it fundamental wave ; according to the fundamental wave, coefficients of the fundamental wave can be lined in a sequence. when the unique of the dissolve of the fundamental wave can be confirmed, the sequence of the coefficients can be regarded as one of representation forms of the signal itself ; theory of dissolvable signal shows that when order of the matrix of fundamental wave sampling equals to number of fundamental waves, the sequence of the sampling values from sampling points must be matched one by one with the sequence of the coefficients of fundamental waves. the sampling composed by sequences of the sampling values must be full sampling ; the relevant deductions of the theory of dissolvable signal shows that when sampling the signal, sampling frequency must be lager than the ratio of the number of fundamental waves to the occupation time of the fundamental waves ; to band - limited signals, when the fundamental wave is a sine signal, the results from the relevant deductions of theory of dissolvable signal is coherent to the classic sampling theory

    本文通過分析認為,當信號集中的任一信號可表示為一列已知信號的性代和時,信號集便構成可分解信號集,已知信號稱為基波信號;對可分解信號而言,基波構成一序列,當對指定的基波信號集分解唯一確定時,序列本身便是信號的一個表示;可分解信號采樣定理指出當基波樣值矩陣的秩於基波時,則由采樣點處的采樣樣構成的樣值序列必與基波序列一一對應,從而由該樣值序列構成的采樣必為完全采樣;可分解信號采樣定理中的推論指出,對信號集進行采樣,采樣頻率必須大於其信號分解的基波與其對應時長之比;對有限帶寬信號,若基波信號為正弦信號時,由可分解信號采樣定理推論給出的結論與經典采樣定理一致。
  6. The controlling parameters for smooth blasting in qin - ling zhongnanshan tunnel project are optimized according to the fundamental principle of smooth blasting, considering the minimal resistance, coefficient of embrasure density, coefficient of non - coupling, density of dynamite and rate of exploding. the efficiency of this method has been analyzed and justified by the high speed and good quality of the project

    根據光面爆破的基本原理,從最小抵抗、爆眼密集、不耦合裝藥密度、爆破進尺幾個方面確定秦嶺終南山隧道光面爆破主要參的選取,分析了該隧道鉆爆設計在隧道施工中的運用取得的成效,提高了施工進度,同時也保證了施工質量。
  7. By analysing the relationship among the parameters such as substrate, speed, tension, rotational speed, shape distortion of paper etc, this article put forward a control law to control the drive transmission roller in emery cloth and sand paper production line, the principle is based on hooke ' s law

    摘要本文根據彈性力學中的虎克定律,結合砂布砂紙生產特點,分析計算了生產中基體、應變、速度、張力、轉速之間的關,建立了砂布砂紙生產中傳動輥轉速(頻率)運動方程。
  8. Engine parameter acquisition display system is an important member of helicopter seat room display system, and is made of engine parameter acquisition unit ( epu ) and engine parameter display ( epd ). epu is joined with engine electronic controller, fuel manage system, engine and accumulator by the wire. it acquire the parameter of engine, for example, analog signals, frequency signals and discrete signals, etc. then data processing, compare data and operation is executed

    發動機參採集器通過硬連與發動機電子控制器、燃油管理統、發動機及蓄電池相連,採集模擬量、頻率量及離散量信號,並對採集的據進行運算、比較與處理,最後通過標準rs ? 422a串口和發動機參顯示器及其它設備進行通訊。
  9. We get the math module according to the second law of newton and the foundation of the dynamics, analysis the force of the cart and pendulum, and adopt the concept of " the equivalent cart ". during writing the equitation of the system, the equitation has been processed by linear

    利用牛頓第二定律及相關的動力學原理建立學模型,對小車和擺分別進行受力分析,並採用效小車的概念,列舉狀態方程,進行性化處理,最後通過極點配置,得到變量陣。
  10. Abstract : the mechanical analysis for arch bridge with flat hinge joints is a mechanical problem with non - linear boundary. mechanical analysis of methods at present is not clear, which can not calculate the arch bridge with changeable section and section with complicate shape. in this paper, the new method used to get the section resistance coefficient k is presented, the iterative procedure is established to calculate the internal forces of arch bridge with flat hinge joints, and the computational example is given. the method can apply to the arch bridge with any numbers of flat hinge joints and any shape section

    文摘:平鉸拱橋結構的受力分析屬于邊界非性力學問題,目前的一些方法受力分析不太明確,對變截面、復雜形狀截面平鉸拱橋無法進行計算.針對這種情況,提出了確定平鉸截面抗力k的新方法,建立了計算平鉸拱橋內力的迭代演算法,並進行了實例計算,研究結果表明,這一方法對具有任意個平鉸、任意形狀截面的拱橋結構是適用的
  11. The relations between relative measurementerror resulting from temperature and heat distensibility coefficient of coil ’ s framework andwindingcoilwerecarriedout. theinfluenceofelectromagnetisminterferenceontheaccuracyof rogowski coil, as well as the effect of temperature on integraph, were studied. somemeasures based on the above investigating results were proposed to insure the precision ofrogowski coil sensor head, such as the selection of materials and facture methods, improvment of technics and design of additional compensation

    利用建立的rogowski圈的學模型對溫度和外界干擾磁場的影響進行了分析,得出了溫度造成的相對誤差與圈骨架和繞組圈熱膨脹之間的關;從兩個方向上分析了干擾磁場對圈精度的影響;分析了溫度對積分器的影響
  12. A new planning method - analysis of factors of point line and area and control points optimization, which is based on the analysis of urban spatial structure, is tried to put forward. analyzing the important functional clusters in the spatial layout of the urban, the intracity medium - long distance vehicle traffic major directional desire line how the urban to link up with the highway network and the whole structure of expressway system, the skeleton of the expressway network can be obtained. using the degree of importance method analytic hierarchy process ( ahp ), one or several intersections can be selected

    該法對城市空間結構布局中的重要節點、主要的中長距離機動車交通流徑期望的分佈、大城市與區域干公路網的銜接以及快速路網的整體結構進行分層次的分析研究,得出快速路網構架,運用重要度法、層次分析法找出大城市重要功能組團中重要程度最高的一個或個關鍵交叉口作為快速路網規劃的控制點,考慮快速路路走向的控制點對路走向進行優化。
  13. Next analyzed were the characteristics of natural gas pipeline transmission ; cost, ratemaking principle, method of acquiring the pipeline transmission fee, constitution, calculate, management and control after that, wt ; compared service cost methods with economic evaluation methods and the one - part pricing method with the two - part pricing method. later on was introduced the regulate coefficient of pipeline transmission fee structure, established the modificatory two - part pricing method, and found out a natural gas pipeline transmission pricing method that is fit for china ' s current situation. finally, we validated the rationality and applicability of this metho j by the demonstrational analysis on the natural gas pipeline transmission price of " the gas transmission from west to east " pipeline this paper ' s research fundamental is : the fundamental of natural gas pipeline transmission pricing should reflect the characteristics of natural gas pipeline transmission

    本文首先論述了自然壟斷行業的價格理論,然後分析了天然氣管輸的特點、定價原則及管輸費的收取方式、成本、構成、計算及其管理與調控;在此基礎上比較了中外天然氣管輸定價的服務成本法與經濟評價法,一部制定價法與兩部制定價法;針對目前我國天然氣管道運價的制定現狀,本文深入研究了國際通用的天然氣管輸定價方法,引入「管輸費結構調整」的指標,建立修正的兩部制定價方法,找出了一套適合於我國當前國情的恰當的天然氣管輸定價方法,並通過「西氣東輸」管加以實證分析,驗證了方法的合理性和適用性。
  14. Conventional nomograms representing parametric relationships among wave height, wind, fetch and duration are used in operational forecasting of sea state

    在業務運作上應用傳統列圖里的海浪高度風速風區及風力的持續時間之間的相互關來預測海面情況。
  15. The imported transparent glaze fired at lower temperature was analysed semi - quantitatively by adopting emission spectroscope. the stripping of lead and cadmium from this transparent glaze fired at lower temperature in ceramic product was determined by atomic absorption spectroscope. the effect of chemical composition on the stripping of lead and cadmium was analysed. upon the author s opinion, the overproof lead stripping from the imported transparent glaze fired at lower temperature can only be settled by adopting lead - free glaze instead of adopting low - lead prescription. the author succeeded in developing an excellent lead - free transparent glaze fired at the lower temperature of 1000 1050. the success is based on an inquiry into the feasibility of using such new agents of fusion as li2o and sro in replacement of pbo ; and on a study of the effects of the contents of sio2 , al2o3 , b2o3and other metallic oxides on such performances of glaze as coefficient of linear expansion, fusion temperature and transparency. it is also based on an analysis of coefficient of linear expansion of blank and glaze on an analysis of coefficient of linear expansion of blank and glaze on their correlation ; and on a study of technology for preparing glaze

    採用發射光譜儀對進口低溫透明釉進行半定量分析,並用原子吸收光譜儀測定其陶瓷製品的鉛、鎘的溶出量,分析化學成分對鉛、鎘溶出量的影響.結果表明,進口低溫透明釉採用低鉛配方不能解決鉛溶出量的超標問題,只有採用無鉛釉才能解決.探討用氧化鋰和氧化鍶新型熔劑完全代替氧化鉛的工藝,研究釉料中氧化硅、氧化鋁、氧化硼和各種金屬氧化物的含量,對釉的膨脹、熔融溫度和透明度性能的影響.分析坯料、釉料的膨脹及其相互關和釉料制備的工藝,研製出優質的1000 1050低溫無鉛透明釉
  16. Modbus transducer is the key device in the system and is used to offer power supply of pressure and temperature sensor, to collect signal, to linearizate and compensate temperature, to calculate density, volume and mass, to transmit data to modbus network, and display the data. so the modbus transducer is a multi - parament measurement, intelligent control device which can manage multi - signal

    變送器是統的核心設備,其作用是為油罐溫度、壓力、液位、可燃氣濃度傳感器供電,採集傳感器信號並進行性化、溫度補償處理,完成密度、體積和質量計算,將據輸出到modbus現場總測控網路,根據需要現場顯示計測量參
  17. Based on extensive investigation of construction technique history of chinese ancient buildings, the structure method, structure developing history and seismic behavior of chinese ancient timber structure buildings are analyzed in several respects of the structural system and form. through a series of experiments on constituent parts of chinese ancient timber building structure, including the tests on the corbels and brackets called dougong subjected to low cyclic reversed loadings, the tests on the wooden frame using the tenon - mortise joints as connections of column and beam subjected to low cyclic reversed loadings, the tests on vibration isolation effect of friction and slippage between column footing and their socle base, and a series of shaking table tests on a chinese ancient timber structure palace building mode under artificial earthquake at serving conditions, destroyed conditions and reinforced conditions, many valuable results of structures such as moment - curvature hysteretic loops of dougong structure and tenon - mortise joints under low cyckc reversed loadings, the static function, the seismic performance, energy dissipation, vibration reduction, energy - loss mechanism, nechanicalmode and failure mode were studied. aplenty of valuable parameters of the structure system were obtained, such as the natural period of structure, vibration modes, damping ratio, factor of vibration isolation, oscillate amplitude of ineitial accebration, velocity and displacement, magnitude of slippage, and the mechanism of structure failure and collapse etc. based on these research, the complete analysis of ancient timber structure under earthquake were carried out in which including mechanism analysis method, calculating mode, strength analysis of members and joints, strengthening methods for serving damaged ancient timber structure buildings were also taken into account

    依照宋代《營造法式》建造了抬梁式殿堂木結構構件及結構模型,對中國古代木結構中的典型構造如:柱腳在礎石頂面平擱簡支、柱架榫卯連接、柱高不越間之廣、側腳、生起、斗拱的構造機理及結構功能進行了量化分析和實驗研究: (一)通過木柱石礎靜摩擦試驗,測定了柱腳與石礎古鏡面間的摩擦及摩擦力隨上部結構荷載變化的規律; (二)通過單柱承載力試驗,測定了古建築中木柱的受力變形特徵、破壞模式、及模型材料的變形模量、極限承載力、極限變形參量; (三)通過柱架低周反復荷載試驗,測定了柱架的抗側移剛度、柱架恢復力特性及滯回曲、榫卯張角剛度及其變化規律、柱架及榫卯的極限承載力和極限變形、及榫卯減振參; (四)通過斗?低周反復荷載試驗和受壓試驗,測定了古建築木構件與木構件間摩擦,斗?抗側移剛度,斗?恢復力特性及滯回曲,斗?抗壓極限承載力及受力變形規律; (五)通過抬梁式殿堂間架模型振動臺試驗,測定了殿堂木構架結構自振周期,地震反應振形、阻尼特性及阻尼比;按結構分層特點對柱腳、柱頭和斗?層上的屋蓋的地震反應採用多點同步測量,對柱根滑移、榫卯變形、斗?的變形、復位、耗能減振參進行了定量分析。
  18. Theoretical analysis and computer simulation studies show that performance comparable to that of electro - control active damping suspension systems can be achieved with the hydraulic network model which can self - adaptingly adjust the damping of suspension to realize the optimal control by virtue of response of vehicle. in chapter 5, the effects of time - variant factors in the new active damping suspension system on reduction are investigated

    第五章研究了主動阻尼統中的時變因對減振統的減振效果的影響(包括路況、車速、載重阻尼油的粘度隨油溫變化而引起的變化,油液的彈性模量) ,並分析了模型簡化時一些被忽略的非性因統性能的影響。
  19. This dissertation ' s problem just comes from this engineering background exactly. for this two kinds of cores, which were taken from the engineering place, this dissertation draws sample by computer and analyses the weight distributions, getting the weight curves, the middle weights, asymmetry coefficients and other physics characteristic indexes of them, and makes up the model samples which are similar to the factual weight distributions

    本文對施工現場採用的10 100kg和1 800kg重量范圍的堤心石進行了隨機抽樣和重量級配分析,得到了描述這兩種堤心石類別的重量級配曲、中值重量、不均勻物理特性指標,並由此制備重量級配相似的模型樣本。
  20. Starting with the equivalence condition of admissibility, this paper discusses respectively the linear biased estimate of the regression coefficient of thee models : the g - m linear regression model, the multivariate linear regression and the mixed - effect coefficient linear model

    本文以可容許性的價條件為起點,分別討論了g - m性回歸模型、多元性回歸模型和混合性模型的回歸的一類性有偏估計。
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