?dimensionless

dimensionless發(fā)音

英：[d?'men??nl?s]　　美：[d?'men??nl?s]

英：　　美：

dimensionless中文意思翻譯

adj. 無尺寸的；無維的

dimensionless常見例句

1 、The effects of temperature on the curve of dimensionless nonlinear vibration frequencies vs dimensionless amplitudes are especially investigated by numerical results.───文中還以大量數(shù)值算例研究了溫度效應(yīng)對(duì)幅頻曲線的影響。

2 、Based on dimensional analysis, a number of dimensionless groups that governed the performance of the quay wall were investigated, identified and used to design and interpret centrifuge model tests.───基于模擬挖掘機(jī)開挖溝槽的離心模型試驗(yàn)結(jié)果，建立溝槽槽壁許可破壞模式及速度場(chǎng)，利用極限分析上限法求解開挖深度上限解。

3 、On the basis, the influence of dimensionless apparent permeability variation factor and mobility ratio to flow performance has been analyzed.───在此基礎(chǔ)上，分析無因次表觀滲透率變化系數(shù)和流度比對(duì)產(chǎn)量動(dòng)態(tài)的影響。

4 、Keywords Air-sparged hydrocyclone;Dimensionless variables;Dimensionless analysis;───充氣水力旋流器;無因次準(zhǔn)數(shù);無因次分析;

5 、Keywords chemical reaction;enzyme;substrate;dimensionless;model;───化學(xué)反應(yīng);酶;基質(zhì);無量綱;模型;

6 、dimensionless time───無因次時(shí)間

7 、dimensionless parameter───無維參數(shù)無因次參數(shù)

8 、Keywords Reversible reaction;Thermokinetics;Mathematical model;Method of dimensionless parameter;───可逆反應(yīng);熱動(dòng)力學(xué);數(shù)學(xué)模型;無量綱參數(shù)法;

9 、The physical meaning of dimensionless numbers cannot usually be formulated clearly.───無因次數(shù)的物體意義一般不能清楚地用公式表達(dá)。

10 、In a village downriver from Dimen, a woman practices the ancient art of making paper by hand.───在地捫河下游的一個(gè)山寨里，一位婦女作著古老的手工抄紙手藝活。

11 、The numeric method of dimensionless minimum total operation time of batch distillation of a binary ideal mixture under “total reflux” and ideal operating conditions is introduced.───介紹了在理想操作條件下,“全回流”間歇精餾二元理想混合物量綱1最小操作總時(shí)間的數(shù)值計(jì)算方法。

12 、The modified correlations of dimensionless groups for calculating both-Ap and Um are presented as the basis for further study on the drying per-formance of the dryer.───提出計(jì)算流化壓降的修正式和臨界流化速度的準(zhǔn)數(shù)關(guān)聯(lián)式,為進(jìn)一步研究此設(shè)備的干燥性能打下基礎(chǔ)。

13 、Orthotopic board analysis of limit loads by dimensionless stress yield criterion───按無量綱屈服準(zhǔn)則分析正交異性板的極限荷載

14 、THE THIRD DIMENSIONLESS PARAMETER IN THE PENETRATION DYNAMICS OF RIGID PROJECTILES───剛性彈侵徹動(dòng)力學(xué)中的第三無量綱數(shù)

15 、Present the calculation method and dimensionless problem of the evaluation index attribute value;───提出了指標(biāo)屬性值和無量綱化的計(jì)算方法;

16 、The Atmospheric Correcting of Diesel Engine Performance by Dimensionless Analysis───應(yīng)用無量綱分析法對(duì)柴油機(jī)性能的大氣修正

17 、In the study, Buckingham Pi theorem was adopted to derive the important dimensionless parameters for correlating conditions of accretion formation in the similar systems.───實(shí)驗(yàn)可觀察到水模及蠟?zāi)Ｖ棠锝詾閳A錐狀，內(nèi)部皆有一與管徑相同之中空?qǐng)A柱供氣體流通。

18 、The dimensionless wall roughness was introduced into the wall function to consider the influence of the rough wall.───在壁面函數(shù)中引入無量綱壁面粗糙度以考慮粗糙壁面的影響。

19 、Analysis of ejector performance using dimensionless parameters───使用量綱一參數(shù)進(jìn)行噴射器性能分析

20 、Exercise 6 , To demonstrate permittivity in vacuum is actually a dimensionless physical constant.───習(xí)題6，試證明真空電導(dǎo)率實(shí)際上是一個(gè)無量綱的物理常數(shù)。

21 、dimensionless performance───無因次特性無量綱特性

22 、In a typical day the women make several round-trips, climbing rough paths to reach a hillside forest about three miles from Dimen.───婦女們?cè)谝徽炖镆祹滋伺郎想x地捫寨約3英里的崎嶇的山路，到一處山里的森林里背樹。

23 、Keywords the liquid desiccant with cooling equipment;dimensionless vapor pressure difference ratio;dimensionless temperature difference ratio;analyzing of the performance of the dehumidifier;───帶冷卻液體除濕;無量綱蒸汽壓差值比;無量綱溫度差值比;除濕器性能分析;

24 、The Application of Dimensionless Number Group in Measuring the Flow Rate by Nuzzle───無因次數(shù)群在噴嘴流量測(cè)量中的應(yīng)用

25 、Development of Dimensionless Parameters Real Time Processing System for Refrigeration Experiments───制冷實(shí)驗(yàn)無量綱參數(shù)實(shí)時(shí)處理系統(tǒng)的開發(fā)

26 、dimensionless interzone───無標(biāo)度區(qū)間

27 、dimensionless group───無因次群

28 、Keywords liquid circulation flux;power dimensionless number;agitator;transesterification reactor;───循環(huán)流量;功率準(zhǔn)數(shù);攪拌器;酯化反應(yīng)器;

29 、dimensionless local memory time───無因次局部記憶時(shí)間

30 、dimensionless specific speed───無因次比轉(zhuǎn)速

31 、dimensionless unit───無因次單位

32 、In order to reduce the number of variables, the equations and its parameters for freezing temperature field were converted to dimensionless ones according to the theory of similitude at first.───摘要應(yīng)用相似理論將凍結(jié)溫度場(chǎng)方程和參數(shù)無量綱化，然后建立無量綱的數(shù)值計(jì)算模型，研究了在外表面恒溫情況下凍結(jié)管壁的無量綱熱流密度與各無量綱影響參數(shù)間的關(guān)系。

33 、dimensionless density───無因次密度

34 、dimensionless variable───無因次變數(shù)

35 、Can deeply realize the comity fraternity of of mood friend that the parents love deeply sons and daughters and then can know that the love can make the heart expanded to a dimensionless place.───可以深深體會(huì)父母疼愛子女的心情,朋友之間的友誼,手足之情,就可以知道有愛能使心拓展至無邊無際的地方。

36 、A divination ritual revived after almost three decades aims to restore harmony in Dimen after the fire and other unfortunate events.───一項(xiàng)占卜儀式在三十年之后重新舉行，目的是恢復(fù)地捫寨在火災(zāi)和其它不幸事件之后的祥和。

37 、Keywords CFB;solids concentration;core/annulus flow structure;dimensionless radius of the core region;───循環(huán)流化床;局部顆粒濃度;環(huán)核流動(dòng)結(jié)構(gòu);無因次核心區(qū)半徑;

38 、dimensionless cumulativeproduction───無因次累計(jì)產(chǎn)油量

39 、Keywords wireline formation tester;dimensionless interpretation chart;hemi-spherical seepage flow;flowline storage effect;skin effect;───關(guān)鍵詞電纜地層測(cè)試器;無量綱解釋圖版;半球形滲流;管儲(chǔ)效應(yīng);表皮效應(yīng);

40 、however, one point method that is applicable to radial filtering flow resulted from binomial deliverabilily equation and is dimensionless.───且一點(diǎn)法試井對(duì)低滲透或致密氣藏測(cè)定一個(gè)穩(wěn)定測(cè)點(diǎn)仍然歷時(shí)太長(zhǎng)或根本不可能測(cè)到。

41 、The dimensionless net pressure, difference of Yang’s modulus and fracture toughness between reservoir and salutatory barrier also affected the behaviors of hydraulic fracture.───產(chǎn)層與突變體之間的彈性模量差異、斷裂韌性差異以及縫內(nèi)凈壓力無因次量是影響裂縫走向的重要因素。

42 、Keywords Output;Prediction;Plan;Dimensionless;───產(chǎn)量;預(yù)測(cè);規(guī)劃;無因次;

43 、The textural fractal dimensions and dimensionless length of the slag-metal boundary are calculated from the mixing images under various b.───應(yīng)用分形理論對(duì)其邊界的織構(gòu)分維數(shù)及無量綱長(zhǎng)度進(jìn)行了計(jì)算。

44 、The effect factors on RTM microscopic impregnation process were analyzed with help of dimensionless analysis.───借助無量綱分析,研究了RTM工藝微觀浸潤(rùn)過程的影響因素。

45 、dimensionless pressure derivative───無因次壓力導(dǎo)數(shù)

46 、Fig．5 Dimensionless complex frequency versus the dimensionless follower force for CSSS plate for H一10一。───圖5CSSS非保守粘彈性板的無量綱頻率與無量綱隨從力的關(guān)系曲線(H一10-。

47 、An a rtistic dimens on arises from fhe need to adapt one 's expertise to the given realities in a department or firm.───為了調(diào)整一個(gè)人的專業(yè)知識(shí)以適應(yīng)某一部門或某一公司的需要，會(huì)產(chǎn)生一個(gè)個(gè)新的藝術(shù)范疇。

48 、The purpose is to study the dimensionless ratio of overflow opening area to underflow opening area,A*,and the dimensionless ratio of air flowrate to slurry flowrate, Q*.───具體研究浮選器中渦流定向器出口面積與下部環(huán)狀開口面積之比A＊，以及空氣流量與煤漿流量之比Q＊和各浮選參數(shù)之間的關(guān)系。

49 、dimensionless oil recovery index───無因次采出指數(shù)

50 、First of all ,the gas discharge equations are obtained from the physical laws and by introducing the new scales ,the gas discharge equations can be simplified used the dimensionless variables.───其次針對(duì)其物理特性,引入了一系列的無量綱參量,在形式上對(duì)方程做了一定程度的簡(jiǎn)化。

51 、Keywords fire in a horizontal tunnel;reverse flow of smoke;genetic condition;dimensionless criteria;───關(guān)鍵詞水平巷道火災(zāi);煙流滾退;發(fā)生條件;無量綱準(zhǔn)則;

52 、The template curves of dimensionless pressure derivative can clearly indicate Outer boundaries of various reservoirs, with their patterns distinctive and recognizable.───無因次壓力導(dǎo)數(shù)樣板曲線能夠清楚地反映各種油藏外邊界形態(tài)，曲線特征明顯，易于辨認(rèn)。

53 、dimensionless coordinate───無因次坐標(biāo)

54 、D index is also called formation drillability index (dimensionless).───指數(shù)也稱地層可鉆性指數(shù)(無量鋼)。

55 、In this paper,some r esults of Hausdorff dimens ion associated with convergence were stated.───文章討論了一些與收斂性有關(guān)的維數(shù)結(jié)果.

56 、Predicting Horizontal Gas Well Deliverability Using Dimensionless IPR Curves───利用無因次IPR曲線預(yù)測(cè)水平氣井的產(chǎn)能

57 、A very useful tool for scale-up is the dimensionless group. This is the grouping of system variables so as to cancel out their dimensions.───在放大中使用的一個(gè)很有用的工具是無量綱數(shù)群。這是系統(tǒng)變量無因次化的一種組合。

58 、Dimensionless Fracture Conductivity: Better Input Values Make Better Wells───無因次裂縫導(dǎo)流能力:極佳輸入值得到極佳的油井產(chǎn)能

59 、dimensionless numbers───無維數(shù)

60 、It is not satisfactory from a dimensional standpoint, since the power to which we raise e must be dimensionless.───從量綱的觀點(diǎn)來看，它是不能令人滿意的，因?yàn)閑的冪必須是無量綱的。

61 、The results show that the accuracy of the dimensionless correlation of heat transfer coefficient is the highest among the heat-transfer correlations and m...───建立反映傳熱機(jī)理的模型與計(jì)算式,開展多相流非線性研究和傳熱數(shù)值模擬是未來的研究方向。

62 、dimensionless ratio───無因次比

63 、The Dimensionless Representation of Collection Efficiency of Cyclones───旋風(fēng)分離器捕集效率的無量綱表示

64 、Rapid identification and analysis of outer reservoir boundary using template curves of dimensionless pressure derivative───利用無因次壓力導(dǎo)數(shù)樣板曲線快速識(shí)別和分析油藏外邊界

65 、The numerical procedure has been derived in dimensionless form.───數(shù)值程序是按無因次形式推導(dǎo)的。

66 、dimensionless quantity───無因次值無量綱的量

67 、dimensionless glass transition───無因次玻璃化轉(zhuǎn)變

68 、dimensionless coefficient───無因次系數(shù)

69 、dimensionless scale───無因次比尺

70 、Snow to have goose hair heavy snow outside in succession satisfied several days the dimensionless cornfield overlays under very thick ice snow doing of softhearted dream.───外面下起了鵝毛大雪，紛紛揚(yáng)揚(yáng)了好幾天，無邊無際的麥田覆蓋在厚厚的冰雪之下，做著的溫情的夢(mèng)。

71 、Optimum Design of Fixed Bed Reactor for Chloroethvlene with Simulated Homogenous Two Dimens inal Model───擬均相二維模型優(yōu)化設(shè)計(jì)氯乙烯固定床反應(yīng)器

72 、The Emergency of Ancient Greek Aestheticism and its Value Dimen sionality--From Pythagoras to Socrates───古希臘審美主義的發(fā)生及價(jià)值維度--從畢達(dá)哥拉斯到蘇格拉底

73 、It also shows the effect of earthquake acceleration coefficient on dimensionless stabilizing force is remarkable, especially under high earthquake acceleration coefficients.───地震加速度系數(shù)對(duì)阻滑樁所需提供的加固力有明顯影響，且地震加速度系數(shù)越高則影響越顯著。

74 、And the dimensionless model can be used as a reference for flotati...───文中建立的無維模型也可供其它細(xì)礦浮選過程參考。

75 、Keywords Dimensionless liquid production index;Water cut;Permeability anisotropy;Oil-water viscosity ratio;Influence;Regression analysis;───無因次采液指數(shù);含水率;滲透率各向異性;油水粘度比;影響;回歸分析;

76 、dimensionless number───無因次數(shù)

77 、anonymous dimensionless group 1-4───無名無因次群1-4

78 、A New Method for Calculating Dimensionless Water Influx Rate───無因次水侵量計(jì)算新方法

79 、Application of Dimensionless IPR Curve for Production Potential Forecast in Horizontal Well───無因次IPR曲線在水平氣井產(chǎn)能預(yù)測(cè)中的應(yīng)用

80 、Keywords micro deep drawing;size effect;dimensionless design;friction coefficient;───微拉深成形;尺度效應(yīng);無量綱設(shè)計(jì);摩擦系數(shù);

傅里葉數(shù)fo名詞解釋？

定義：傅立葉數(shù)表征兩個(gè)時(shí)間間隔相比所得的無量綱時(shí)間。

Fo=aτ/l2

傅里葉數(shù)fo名詞解釋？

傅里葉數(shù)（Fourier number）也稱為傅里葉準(zhǔn)則數(shù)（Fourier criterion number）或傅里葉無因次數(shù)（Fourier dimensionless number），是一個(gè)無量綱的數(shù)，通常用于描述熱傳導(dǎo)、**、對(duì)流等物理過程的特征。

傅里葉數(shù)的定義為：Fo = αL2/τ，其中：

- α 是熱傳導(dǎo)系數(shù)（thermal conductivity），表示熱量在介質(zhì)中傳遞的速度；

- L 是特征長(zhǎng)度（characteristic length），表示物理過程發(fā)生的空間范圍；

- τ 是時(shí)間（time）。

因此，傅里葉數(shù) Fo 表示單位時(shí)間內(nèi)，通過單位面積的熱量與特征長(zhǎng)度平方的比值。它反映了熱傳導(dǎo)過程的快慢程度，F(xiàn)o 越大，熱傳導(dǎo)速度越快，反之亦然。

傅里葉數(shù)在熱傳導(dǎo)、**、對(duì)流等物理過程中具有重要的應(yīng)用，可以用來描述這些過程的特征和規(guī)律，以及設(shè)計(jì)相關(guān)的設(shè)備和工藝。