等時曲線 的英文怎麼說

中文拼音 [děngshíxiàn]
等時曲線 英文
isochronous curve
  • : 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...
  • : shí]Ⅰ名1 (比較長的一段時間)time; times; days:當時at that time; in those days; 古時 ancient tim...
  • : 曲名詞1 (一種韻文形式) qu a type of verse for singing which emerged in the southern song and ji...
  • : 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...
  • 曲線 : [數學] curve; bight; bought; profile; net曲線板 french curve; irregular curve; curve board; splin...
  1. For this reason the cycloid is called the tautochrone.

    由於這個緣故,擺又叫做等時曲線
  2. This software can not only measure the real time data of hydroelectric plant, but also carry out the auto generate electricity on the hydroelectric plan t and ordinal startup - stop of the dynamotor. the software also carrys out the functions of alarm disposal, report forms, print and load curve

    該軟體不僅實現了對水電站內各種模擬參數和數字信號的實監測功能,還實現了對水電站的自動發電、機組順序啟停的控制,以及報警處理、報表列印、負荷功能。
  3. Based on field research and the dynamic analysis of remote sensing data of different time ( 1987 tm, 1996 tm and 2000 china - brazil earth resource satellite ccd ), using multi - information of research area ( including data of geology, geography, hydrology, meteorology, economy, human culture and dem ) and existing research results, the dissertation discusses drive factors of desertification and the relationships between drive factors and desertification with the help of gis tool and some mathematical methods such as probability, statistics, curvilinear estimation, logical analysis and analytic hierarchy process

    論文在對研究區土地荒漠化現狀野外調研和不同相( 1987tm 、 1996tm和2000ccd )遙感圖像土地荒漠化信息提取和演變分析的基礎上,結合研究區已有的多元信息基礎資料及研究成果(包括地質、地理、多期的水文氣象、經濟、人文以及dem數據) ,運用gis強大的空間分析功能和概率統計、估計、邏輯分析、主成分分析、層次分析數學方法綜合研究了土地荒漠化與各驅動因子之間的相關關系,揭示了研究區土地荒漠化的主要驅動因素,探討了荒漠化動態演化規律。
  4. Considering the electrovalence, the curve of water consumption and the reliability of water supply, this paper respectively sets up the model based on the maximal flux and the model based on the expectation flux. it takes yearly expenditure converting value and yearly cistern converting value as target function and takes continuity equation, velocity of flow and compression resistance of cast iron pipeline as restrictions and sets up the pga model on optimal design of water supply networks

    考慮到峰谷電價、用水量變化及用水可靠性因素的影響,分別建立了以最高流量設計管網的模型和以期望流量設計管網的模型,以年費用折算值加上清水池年造價折算值為目標函數,以連續性方程、管中流速和鑄鐵管耐壓值為約束條件,進行并行遺傳演算法對給水管網優化設計的實現。
  5. In order to obtain the most economic benefits, the paper utilized the theory of " homalographic characteristic " and " share alike compensation current characteristic " to build up the best compensation relation for " hour - current " curve applied to transformer substation and for " length - current " curve applied to distribution line

    以獲得最大經濟效益為目標,利用「面積特性」和「補償電流分特性」理論。推導了應用於變電站的「間?電流」關系中存在的最佳補償關系,以及應用於配電路的「長度?電流」關系中存在的最佳補償關系,及補償后的經濟效益計算模型。
  6. In other words, the same amount of energy will be given off when stand - alone nucleons come together to form the nucleus. when the binding energy per nucleon is plotted against the mass number, i. e. total number of protons and neutrons in a nucleus the bottom right figure, it is found that the curve peaks around the mass number 56, i. e. the iron nucleus

    如果把原子核內每顆核粒子的平均結合能又稱比結合能與質量數原子核中的質子和中子的總數繪製成圖右下圖,便可發現圖中在質量數大約於56即鐵原子核到達最高點,即是鐵原子核的總體能量最低。
  7. In other words, the same amount of energy will be given off when stand - alone nucleons come together to form the nucleus. when the binding energy per nucleon is plotted against the mass number, i. e. total number of protons and neutrons in a nucleus ( the bottom right figure ), it is found that the curve peaks around the mass number 56, i. e. the iron nucleus

    如果把原子核內每顆核粒子的平均結合能(又稱比結合能)與質量數(原子核中的質子和中子的總數)繪製成圖(右下圖) ,便可發現圖中在質量數大約於56 (即鐵原子核)到達最高點,即是鐵原子核的總體能量最低。
  8. Using the thermodynamic conditions describing the coexistence of two phases and the stability conditions of equilibrium state, we have calculated the normalized temperature and the normalized pressure of the triple point ( t1, p1 ), the melting curve, vapouring curve and the sublimation curve. the whole phase diagram of the 2d monatomic l - j system is obtained

    和杜宜瑾人的方法類似,我們先給出了系統在相變點的一些參數的數值,在此基礎上,考慮占據率q的因素,利用相平衡的熱力學條件及平衡態的穩定性條件,得到了二維單元l - j系統的熔化、汽化、升華以及三相點的位置,從而給出了該系統的完整的三相圖。
  9. In this paper, thermal evolution history of organic matter of the source rocks and hydrocarbon generation history have been researched by tti method, hydrocarbon migration direction and migration times were probed combining with the area structure development feature ; distribution pattern of the main reservoir intervals on lateral and longitudinal have been predicted by researching on development feature and control factors of the reservoir intervals, the actions of reservoir conditions in hydrocarbon accumulation and bearing also were probed combining with pore evolution feature ; the micro - pore feature of regional cap and direct seal in carboniferous - lower triassic in this area have been determined with micro - capillary pressure curve and intrusive mercury curve ; the prospecting districts have been pointed out combining with the hydro - geologic feature, the potential reservoirs were classified according to trap types in this area, the author attempt to evaluate on the hydrocarbon - bearing condition in the str ata of carboniferous ~ lower triassic from hydrocarbon generation and migration reservoir condition, reserved condition etc, and predict the reservoir types and hydrocarbon - bearing patterns combining with the structure evolution. based on above, the author point out that the central block of chenghu - tuditang synclinorium and the southern block of dangyang synclinorium are the advantageous regions for exploration

    本文用tti方法研究了烴源巖有機質的熱演化史和油氣生成史,並結合區內構造發育特徵,探討油氣在區域上的運移方向和在間上的運移期次;通過對儲集層段的發育特徵和控制因素的研究,預測了本區主要的儲集層段在橫向上和縱向上的分佈規律,並結合孔隙演化特徵,探討儲集條件在油氣聚集成藏中的作用;利用微毛細管壓力法和壓汞法,對石炭系?下三疊統的區域蓋層和直接蓋層的微孔隙特徵進行了定量評價,並結合水文地質分佈特徵,指出有利於油氣保存的地區;根據區內存在的各種圈閉類型,對可能存在的油氣藏進行了分類,並試圖從油氣的生成與運移、儲集條件、保存條件方面,動態地綜合評價石炭系?下三疊統油氣成藏條件,並結合構造演化特徵,預測其油氣藏類型和成藏模式。
  10. This paper researches and analyses the developments of web technology and magnetostrictive transducers from world wide region. the paper also analyes the characteristics curve of magnetostrictive transducers based on its equivalent circuit and researches the method how to make sure its syntony frequency and its electric simulation network parameters. at the same time, by using jsp technology, a magnetostrictive transducer electric simulation application is designed based on b / s three - tier system structure. the experiment data is fitted by curve fitting module. the equivalent input impedance of it with stimulate loop is separated based on the results of curve fitting and the syntony frequency and electric simulation network parameters of magnetostrictive transducers is determined by the input impedance. the method presented in this paper can determine the syntony frequency and electric simulation network parameters of magnetostrictive transducers with a better accuracy than the testing method of syntony & anti - synton y. further more, jsp, the advanced technology at current, has been used to realize a magnetostrictive transducer web electric simulation system. the system has good human computer interface and the function of resource sharing and information publishing. the research of this paper and its achievements have some practical merits in the researchful and applied fields of magnetostrictive transducer

    用java編程語言編寫的擬合模塊,對輸入的實驗數據進行了最小二乘法的擬合;根據擬合結果可從帶激勵圈的磁致伸縮換能器的輸入阻抗中分離出磁致伸縮換能器鐵芯在無激勵電流由機械振動形成的效輸入阻抗,並由此輸入阻抗確定磁致伸縮換能器的諧振頻率及電氣模擬網路參數。本課題提出的方法與傳統的諧振?反諧振法相比,能更準確地確定磁致伸縮換能器的諧振頻率及其電氣網路參數。同,採用當前比較先進的web技術,實現了基於jsp的磁致伸縮換能器web電氣模擬系統,該系統具有良好的人機界面和資源共享、信息發布功能。
  11. In different in terne die travel, the metal flow characterize in warm extrusion forming processes and the affection for the flow of metal stage which made by the difference between the blank bottom altitude and the axial direction limiting size in warm extrusion forming technique have been analysed we have gotten the equivalent strain field and the velocity field and other field variable that the blank in different in terne die travel and the die travel - load curve. at the same time, we have analyzed the contributing factor for the oil pump stator forming process optimized and achieve thereasonable die parameter for the war m extrusion forming finally, the optimized technics parameters were used into pilot production, then the qualified oil pump stator forging were produced, the analog results were compared with those of pilot production

    論文具體分析研究了不同成形工藝過程中金屬流動的特點,並對不同凸模行程下溫擠成形過程中的金屬流動特點、坯料連皮厚度(底部高度)與溫擠壓成形工藝中的軸向界限尺寸的差值對金屬變形階段的影響進行了分析,獲得了坯料在不同凸模行程下的效應變場、速度場場變量及凸模行程-載荷,同對油泵定子成形過程的影響因素進行了分析,優化並獲得了合理的溫擠成形工藝及模具參數。最後,利用模擬優化獲得的各項工藝參數進行生產實驗,得到實際生產出的合格油泵定子件,並將模擬結果與生產實驗結果進行比較。
  12. Phosphorus absorbed and immobilized in rhizosphere was less than that of in root zone and unroot zone. 2. the isothermal adsorption curve of each can be partition into two parts. phosphorus adsorption amount and phosphorus consistency slope in equilibrium solution are relatively higher than the slope of phosphorus adsorption amount and phosphorus consistency when fertilizer amount added increasing continuously

    土壤的溫吸附可分成兩個部分:當土壤平衡溶液濃度很低,磷的吸附量與( x )磷的平衡溶液濃度( c )的斜率較大;當施肥量不斷增加后,土壤平衡溶液濃度也會隨之不斷增加,斜率變小。
  13. According to differences of construction process, boundary condition, temperature and stress of two schemes extending 3m deep short seam on upstream face in the middle of rcc overflow section and no short seam are calculated, what " s more, in this paper the equivalent line drawing of stable temperature field and unstable temperature field during construction and operation period and the duration curve drawing of typical points " s temperature and stress are plotted, and the results of peak and minimum on temperature in every month and maximum on tensile stress are attained

    根據施工過程和邊界條件,對溢流壩段中間上游面增設3m深短縫和不設短縫兩個方案進行了溫度和應力計算,並繪制出穩定溫度場圖及施工期、運行期非穩定溫度場圖,典型點溫度和應力歷圖,逐月最高、最低溫度和最大拉應力及相應位置成果。
  14. Because of the complexity of calculation result data, and in order to simplify the analysis of results, this paper only provides annual temperature isoline map of february, may, august and november during construction, temperature isoline map of the first, fifth, tenth, twentieth and thirtieth year during operation, duration curve of temperature and stress of typical point at different elevation, the maximal stress distribution along dam height, point at different elevation, the maximal stress distribution along dam height, and the maximal and minimal temperature and the maximal tensive stress and its position of every month

    因計算結果數據量非常大,為便於成果分析,本文僅給出施工期每年2 、 5 、 8 、 11月份和運行期第1 、 5 、 10 、 20 、 30年的溫度圖,壩體不同高程典型點溫度和應力歷圖,最大應力沿壩高分布圖,逐月最高、最低溫度和最大拉應力值及相應的位置
  15. 3. the film - forming property of ruhb and it ' s adsorphon with human serum albumin ( l ) it is concluded bom n - a isotherm curves on subphases with arerent ph values that the film - formin property of hihb am be better improved on alkaline subphases

    ( 2 )利用。 a和。 t研究了不同酸度的亞相上人血清白蛋白( hsa )吸附在hihb單分子膜上的情況。
  16. Considering the similitude law for shaking table test, we study the test results and obtain some conclusions which are a ) generally, the silty soil in test box liquefies and the liquefied time has relation with the amplitude of acceleration, b ) when the intensity is on and above eight degree, the silty soil deposit will be liquefied dramatically, c ) the relationship of the pore water pressure is relevant to the cycle loading which represents when the cycle loading ranges from little to great, the relationship is represent as a concave curve, or else as a protruding curve and tends to stability. ( 3 ) based on the triaxial compression test and the resonant column test, some studies are made such as a ) the duncan - chang parameters of constitutive model, b ) the dynamic shear modulus ratio and c ) the damping ratio of the site soil deposits. in order to deal with the test data, a computer program is compiled

    ( 2 )利用小型振動臺進行了k _ 0固結狀態下粉土的振動液化模擬研究,通過分析正弦荷載作用下的試驗資料,驗證了粉土的孔隙水壓力增長模式的合理性;從微分方程推導了基於土體振動臺模型試驗的相似律,並從模型實體、孔壓和相似律方面做出了分析,得出了如下結論:在小型振動臺試驗中,模型箱中的粉土都發生了液化,液化的刻和輸入加速度幅值有關,而對頻率的變化不太敏感;粉土在相當於8 9度地震烈度的加速度幅值作用下可能產生嚴重的液化;孔壓的增長形狀與施加的荷載有關:當施加荷載為由小到大的形式形狀為上凹的;當施加荷載為幅的正弦荷載或荷載幅值由大到小形狀為上凸的,且逐漸趨于穩定。
  17. Based on the feature of subgrade construction and with the analysis of the observed settlement data, a series of stress - strain isochrones are arranged in this paper

    本文基於高速公路路基填築的特點,通過實測沉降資料的分析,整理出一系列應力應變等時曲線
  18. The study demonstrated that linear visco - elastic parameters of rheological models built by theoretical modeling methods were constant while nonlinear visco - elastic parameters were not constant and changed as stress level changed and that visco - plastic parameters determined the shape of stress - strain curve

    研究表明:運用模型理論建立的流變模型的性粘彈性參數在低應力水平下是惟一的,但非性粘彈性參數不惟一,並隨應力水平的變化而變化,而粘塑性參數的大小決定了應力應變等時曲線的形狀。
  19. Based on the theory of stochastic finite element, the structural parameters of frame - shear structure including stiffness and mass and damping are simulated to be stochastic variables. by solving recurrence equation of stochastic finite element, the duration curve of mean value and standard deviation of seismic response can be obtained for every floor of frame - shear structure. an analysis is thus given to the effects of independent variation and simultaneous variation of structural parameters on the seismic dynamic response of frame - shear structure. as shown by the results, with regard to frame - shear structure, the effect of variation of strucural parameters on the change of mean value are chiefly the increase of standard deviation of response. variation of stiffness will cause the response of frame - shear structure to variate greatly ; variation of mass shows less effect ; and variation of damping shows insignificant effect. the effects of simultaneous variation of various structral parametres on seismic response are only slightly greater than the effect of stiffness variation alone

    以隨機有限元理論為基礎,將框剪結構的剛度、質量、阻尼結構參數為隨機變量.通過求解隨機有限元的遞推方程,得到框剪結構各層的地震動力響應均值和標準差歷.分析結構參數單獨變異,以及同變異對框剪結構地震響應的影響.研究結果表明,對框剪結構而言,結構參數的變異對響應的均值變化影響都不大,主要是增大響應的標準差.剛度的變異性將引起框剪結構的響應發生大幅度變異,質量的變異性影響稍小,阻尼的變異性影響不顯著.結構各參數的同變異,對框剪結構地震響應的影響,僅比剛度單獨變異的影響稍大
  20. The slag detection system and the pc with such a software system are combined to make a more powerful one, which can implement the real - time data processing functions in continuous casting product, including the display of the real - time slag signal, the storage of the data obtained in the process of the product, the inquiry of the bypast signal data and their printout. the new system has been tested on the continuous caster with loot ladles and the prospective results obtained

    ,設計實現了檢測儀器和微機之間的介面電路,將下渣檢測儀器和數據記錄軟體組成一個更大的系統,從而實現了連鑄生產的實數據處理,包括實顯示、大容量數據的存儲、歷史數據的查詢、列印功能,並已在連鑄生產的現場測試運行,取得了初步的成功。
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