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     The oxidation behavior of Mo-ZrO_2 type and Cr-Al_2O_3 type was compared by thermogravimetric curves of hot balance, Kinetic curve of corrosion by oxidati0n(K-t) and weight gain-time(Aw-t)curve.
     通过热天平的重量/温度曲线、氧化腐蚀动力(k—t)曲线和增重—时间(Δw—t)曲线,比较Mo—ZrO_2型和Cr—Al_2O_3型金属陶瓷的氧化行为。
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     Results The acetaldehyde metabolism curve of T = 0.4221 - 0.0886B + 0.1411B2 - 0.0007B3 (T - time, B - blood acetaldehyde concentration) was drawn by the analysis of the data of acetaldehyde concentration and time via SPSS 8.0. Conclusions The establishment of acetaldehyde metabolism curve may provide certain evidence for organ injury research resulting from alcohol.
     结果 通过运用SPSS8.0统计软件的回归统计对实验所得乙醛浓度—时间数据进行分析,拟合出动醛代谢曲线:T=0.4221-0.0886B+0.1411B~2-0.0007B~3(T为时间,B为血乙醛浓度)。
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     The concentration-time curves of diazepam exhibited double peaks after iv 5 mg·kg~(-1) to 6 rabbits.
     6只家兔iv安定5 mg·kg~(-1)后,浓度—时间数据呈现双峰形。
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     In addition, the relationship betweenε- t ofε= at~3 + bt~2+ ct + d in the phase of rupture is suggested.
     此外,给出了强结构性粘土在破坏阶段的变形—时间关系即ε= at~3 + bt~2+ ct + d。
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     The performance of accelerator, fluoride, Mn~(2+), Ni~(2+), Zn~(2+), PO_4 and Fe~(2+) are studied by adopting SEM, XRD, potential vs. time change, film weight vs. time change.
     本文通过采用SEM、XRD、电位—时间曲线、膜重变化等方法详细研究了促进剂、氟化物、Mn~(2+)、Ni~(2+)、Zn~(2+)、PO_4和Fe~(2+)等对铝材磷化过程的影响。
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  - duration
In this paper, we focus on efficient message forwarding in sparse MANETs, which suffers from frequent and long-duration partitions.
      
The problem of spacecraft protection against the impact effect of meteorites and man-made (technogenous) particles has become especially topical in connection with the necessity of long-duration flights in space.
      
Investigation of short-duration jets of density different from the surrounding medium
      
The process of generation of three-dimensional irrotational fluid motions induced by small local finite-duration displacements of part of the bottom of a basin is considered within the framework of wave linear theory for a basin of constant depth.
      
Experiments were carried out in a short-duration wind tunnel at Mach numbers M=6 and 16.
      
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The absorption band of water vapor at 0.94 μ is studied photographically by means of a concave grating spectrometer. Twenty eight component lines are observed and measured on a comparator as well as on a Moll microphotometer. This band shows something of a doublet form which suggests that the H2O molecule has a triangular form with the oxygen atom at the vertex of an obtuse angle. The lines agree closely with some of the absorption lines in the solar spectrum as measured by Abney in 1880.

前之研究红外光谱者类多依赖热电堆以测定光谱内光能之分布。吾人咸知红外带状光谱之接近可见部分者,其成分线排列甚密。若用热电堆万难分析而得其细微组织。作者所考察之光谱正在红外照相片感光范围之内,故得测定水汽带状光谱内各成分线之波长而具有1内之准确度。 作者所用分光仪器为一凹面光栅,其曲度半径为2公尺。该光栅面上每厘米划有线6000根,颇适合红外光谱之探讨。所用光源为一1000流明之电灯泡泡内有一一字形线圈灯丝,其所发之光穿过2公尺之105°—110℃水汽而交聚在分光仪之缝上。红外照相片经氨溶液之超度敏化后,即安置於已经配准之相片匣内,而使之感光。光之可见部分系用深红滤片割除。照光时间约 费四五十小时,然后除去滤片,照以水银光谱凡数秒,作为决定波长之标准。 用前法所摄得之光谱大都不十分清晰,其主要原因系由水汽管之太短。但用显微光度计量之,各成分线之波长不难准至1(?)范围以内。本实验所得各线若与五十年前Abney所测定太阳光谱中0.94μ附近之吸收线相比较,可见太阳红外光谱中许多吸收线系由大气中水汽所产生,而证实Abney最初之推想。惟本实验所测定之吸收线与Abney所测定太阳光谱中之对应黑线具有一等差...

前之研究红外光谱者类多依赖热电堆以测定光谱内光能之分布。吾人咸知红外带状光谱之接近可见部分者,其成分线排列甚密。若用热电堆万难分析而得其细微组织。作者所考察之光谱正在红外照相片感光范围之内,故得测定水汽带状光谱内各成分线之波长而具有1内之准确度。 作者所用分光仪器为一凹面光栅,其曲度半径为2公尺。该光栅面上每厘米划有线6000根,颇适合红外光谱之探讨。所用光源为一1000流明之电灯泡泡内有一一字形线圈灯丝,其所发之光穿过2公尺之105°—110℃水汽而交聚在分光仪之缝上。红外照相片经氨溶液之超度敏化后,即安置於已经配准之相片匣内,而使之感光。光之可见部分系用深红滤片割除。照光时间约 费四五十小时,然后除去滤片,照以水银光谱凡数秒,作为决定波长之标准。 用前法所摄得之光谱大都不十分清晰,其主要原因系由水汽管之太短。但用显微光度计量之,各成分线之波长不难准至1(?)范围以内。本实验所得各线若与五十年前Abney所测定太阳光谱中0.94μ附近之吸收线相比较,可见太阳红外光谱中许多吸收线系由大气中水汽所产生,而证实Abney最初之推想。惟本实验所测定之吸收线与Abney所测定太阳光谱中之对应黑线具有一等差数约合1.5(?)_0此等差数之产生想系由於波长单位之不同以及个别仪器误差所

The beginning and ending times and the absolute ranges of the three elements D. H. and Z of 106. magnetic storms are determined and the main features of some most conspicuous storms are described. Discussions are given with respect to the mean magnetic character numbers and the sun spot relative numbers.

本文将青岛所发生之磁暴magnetic storms,择其比较显著者,凡一百零六个,规定其开始及完了之时间,并度量其三要素D,H,Z,之绝对摆幅absolute range。又就此一百零六个磁暴内,择其最足代表者七个,对於各种主要特性,加以比较详细之叙述:次复就此等磁暴所发生之年月日,选取万国地磁学会所指定之平均磁性指数,列为一表,以资比较最後并曾约略论及此等磁暴与太阳黑子之关系。

By using elementary methods of Riemannian Geometry the Friedmann universe can be derived under the following rive postulates: (1) The space-time is Riemannian. (2) Einstein's field equations hold. (3) Matter and radiation in the universe are in a state of thermal equilibrium. (4) The world lines of all 'nebulae converge toward the past. (5) The null geodesies are preserved unfler an infinitesimal transformation of space-time along the temporal axis. It is obvious that the isotropic and homogeneous properties...

By using elementary methods of Riemannian Geometry the Friedmann universe can be derived under the following rive postulates: (1) The space-time is Riemannian. (2) Einstein's field equations hold. (3) Matter and radiation in the universe are in a state of thermal equilibrium. (4) The world lines of all 'nebulae converge toward the past. (5) The null geodesies are preserved unfler an infinitesimal transformation of space-time along the temporal axis. It is obvious that the isotropic and homogeneous properties of space-time then follow as a necessary consequence.

根据五个假定,即(1)空时间为利曼四度空间,(2)安世坦的引力定律,(3)宇宙中的物质与辐身成一温度平衡状态,(4)所有空时间中旋转星云的世界线在过去曾相交叉,(5)空时间在时的方向经一无限小变换之后光子的零短程线仍为零短程线,本文用利曼几何的简易方法求得相对论宇宙论中的费烈特猛宇宙。

 
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