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dynamics
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  动力学
     Subcellular Ca~(2+) dynamics
     亚细胞的Ca~(2+)动力学
短句来源
     Ca~(2+) Dynamics and Synaptic Plasticity in Carp Retinal Horizontal Cells
     鲫鱼视网膜水平细胞的Ca~(2+)动力学和突触可塑性
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     (2) dynamics of avalanches;
     (2)崩塌动力学
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     Sedimentary basins can be classified in terms of (1) geometry, (2) kinematics, (3) dynamics, and (4) chronology.
     沉积盆地分类和构造样式分析应从(1)几何学,(2)运动学,(3)动力学和(4)时间等方面来进行研究,从动力学系统可以将盆地分为;
短句来源
     Within the resistively shunted junction (RSJ) dynamics, besides the critical temperature TC, the static critical exponents 2β/ν and ν, and dynamic critical exponent z were obtained.
     采用电阻分流结动力学,分别求出了临界温度TC,静态临界指数2β/ν、ν和动态临界指数z.
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  “) dynamics”译为未确定词的双语例句
     (4) dynamics of system tectonics in the Earth.
     (4)地球系统构造动力学研究;
短句来源
     Land-use influences microbial community composition and carbon(C) and nitrogen(N) dynamics.
     土地的使用方式影响着微生物群落的构成和C、N的分解。
短句来源
     Superoxide ions (O - 2) dynamics was similar to ICBA.
     ICBA其动态变化与O-2的相似,但003~005ml4小时后略有下降。
短句来源
     A new method of measuring cytosolic Ca~(2+) dynamics in protoplast was established with incubating Fluo-3AM to the cytoplast of wheat mesophyll protoplast and using Confocal laser scanning microscope(CLSM).
     研究以孵育法将Ca2+荧光探针Fluo-3AM载入小麦叶肉细胞原生质体胞质中,并结合激光共聚焦扫描显微技术,建立了测定原生质体胞质游离Ca2+动态变化的试验方法。
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     Based on emergy theory and method combining with environment economic methods,the ecological(economic) dynamics of Shunde agriculture system from 1978 to 2000 was synthesized from two aspects of natural donor and human utility value.
     以能值理论方法为主要手段结合环境经济学方法,以顺德市农业系统改革开放22年的发展动态为研究对像,从成本价值结构和产出效应价值两个角度,开展城市化过程中城市农业系统生态经济动态的分析与评价研究,探索能值方法与环境经济学方法的整合路径。
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  相似匹配句对
     METALLOGENIC DYNAMICS
     成矿动力学刍议
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     On Dynamics of Handwriting
     “笔迹动力学”探析
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  dynamics
We study the dynamics of the automorphisms group of K3 surfaces.
      
We study the topological dynamics of the action of the diagonal subgroup on quotients Γ\PSL(2, ?) × PSL(2, ?), where Γ is an irreducible lattice.
      
The identifiability of the dynamics problem is proved and necessary conditions of the optimality are given.
      
The discrete dynamics for competitive populations of Lotka-Volterra type
      
The discrete dynamics for competition populations of Lotka-Volterra type modeled as
      
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When actinomycetes antagonist is cultured in the cotton seed cake and usedas a fertilizer for cotton,a stimulating effect on growth of the plant and a decr-ease of percentage of Verticillium wilt has been observed.The isolates of Actino-mycetes which have shown the best results are G_4 and 5406.Throughout thegrowing period,three applications of the antagonist carried fertilizer show a decr-ease of 31-50% disease and an increase of 14-40% yield.The three applicationsof the antagonist carried fertilizer seem to...

When actinomycetes antagonist is cultured in the cotton seed cake and usedas a fertilizer for cotton,a stimulating effect on growth of the plant and a decr-ease of percentage of Verticillium wilt has been observed.The isolates of Actino-mycetes which have shown the best results are G_4 and 5406.Throughout thegrowing period,three applications of the antagonist carried fertilizer show a decr-ease of 31-50% disease and an increase of 14-40% yield.The three applicationsof the antagonist carried fertilizer seem to be better than that of two applications.However,the yield increase due to the fourth application can hardly cover the costof labour and material. According to the results of a burried-slide test for inspecting the dynamics ofthe antagonist in certain depths of soil,it is found that the actinomycetous isolatesG_4 and 5406 survive a comparativly longer period at a soil depth of 2.5-10 cm.,buttheir amount per unit volume of soil is gradually reduced with time.The anta-gonists are most abundantly distributed at a depth of 5-7.5 cm.It is suggestedthat three applications of the antagonist carried fertilizer may be practical in con-trolling the Verticillium wilt of cotton.

1.1954—1956年在辽陽和北京两地的田間試驗証明:施用“加用抗生菌的肥料”后,不仅能增加棉花的出苗、刺激棉株的生育,并且对黃萎病有显著的防治作用,增产的效果很明显。2.从不同菌种的效能来看,都有防病增产的作用。其中的G_4和5406号抗生菌(均屬放綫菌)的效果最好。进行三次分施时,可减輕發病率31—50%,增加产量14—40%。402号抗生菌种有引起花蕾脫落的恶果;3号及13号虽有显著的防病作用,但增产效能不如G_4。3.不同的抗生菌种混合施用时,沒有表現出增强的作用。4.抗生菌肥料施用的次数,以愈多愈好。在播种前十天作为基肥一次施入者,防病的作用最差,增产作用也不显著。两次分施的,必須在播种时沟施小部份,而将大部份在显蕾期中施入;三次分施的,一般較二次分施的效果高。基肥时不施,单在定苗、显蕾、开花期分施的,对黃萎病的防除效果較大,而对增产作用較小。分四次施肥,所須人工太多,防病、增产的效果并不比三次分施的显著提高。5.根据“埋片法”檢查施入的抗生菌在棉田中消长情况的結果,証明C_4号及5406号放綫菌施入棉田后,在2.5—10厘米深处能維持很长的时間,但其菌量随时間延长而逐漸减少。单施棉籽餅的,在2....

1.1954—1956年在辽陽和北京两地的田間試驗証明:施用“加用抗生菌的肥料”后,不仅能增加棉花的出苗、刺激棉株的生育,并且对黃萎病有显著的防治作用,增产的效果很明显。2.从不同菌种的效能来看,都有防病增产的作用。其中的G_4和5406号抗生菌(均屬放綫菌)的效果最好。进行三次分施时,可减輕發病率31—50%,增加产量14—40%。402号抗生菌种有引起花蕾脫落的恶果;3号及13号虽有显著的防病作用,但增产效能不如G_4。3.不同的抗生菌种混合施用时,沒有表現出增强的作用。4.抗生菌肥料施用的次数,以愈多愈好。在播种前十天作为基肥一次施入者,防病的作用最差,增产作用也不显著。两次分施的,必須在播种时沟施小部份,而将大部份在显蕾期中施入;三次分施的,一般較二次分施的效果高。基肥时不施,单在定苗、显蕾、开花期分施的,对黃萎病的防除效果較大,而对增产作用較小。分四次施肥,所須人工太多,防病、增产的效果并不比三次分施的显著提高。5.根据“埋片法”檢查施入的抗生菌在棉田中消长情况的結果,証明C_4号及5406号放綫菌施入棉田后,在2.5—10厘米深处能維持很长的时間,但其菌量随时間延长而逐漸减少。单施棉籽餅的,在2.5—5厘米深处,也能产生大量的放綫菌,有时較对照(只施化学肥料的)增加2倍,接近于抗生菌肥料中所含的放綫菌数。

The kinematics and dynamics of the let-off motion mechanism on toyoda looms in G type is discussed. In Fig. 4 is given the relationship of the turning angles of the friction ratchet wheel (α) and the moving distance of the connecting rod (y) at different warp beam diameters of d. In Fig. 9 is given the relationship of the warp tension from the back rest at different warp beam diameters of d. In equation 14, it is proved that when the guiding-warp roller and the warp beam pushing lever are used the range...

The kinematics and dynamics of the let-off motion mechanism on toyoda looms in G type is discussed. In Fig. 4 is given the relationship of the turning angles of the friction ratchet wheel (α) and the moving distance of the connecting rod (y) at different warp beam diameters of d. In Fig. 9 is given the relationship of the warp tension from the back rest at different warp beam diameters of d. In equation 14, it is proved that when the guiding-warp roller and the warp beam pushing lever are used the range of the warp tension variation T may be greatly reduced. The method for improving the let-off motion mechanism of the looms is suggested at the end of this paper.

本文进行了該式送经机构的运动分析及动力分析在图4中表示出在不同的經軸直徑时锯止轮所轉过的角度α及釣魚杆上升距离y之間的关系。在图9中表示出经紗張力与经軸直徑之間的变化关系。根据(14)式我們可得到这样的結論: 在加了导紗辊及经軸压掌后经紗张力的变化可大大的减小。本文对丰田G型送经机構的改进提供了方向。

In the present paper, two mistakes in reasoning of M. Z. v. Krzywoblocki's work [1] are pointed out, namely: (1) on calculating the reflected momentum the direction of reflection had been mishandled; (2) the momentum flux carried by the molecules and the stress suffered by the surface had baen incorrectly identified (in fact they are, in the case of reflection, directed opposite to each other and hence have the different signs). Due to these two mistakes, he drawed the unjustifiable conclusion that the model...

In the present paper, two mistakes in reasoning of M. Z. v. Krzywoblocki's work [1] are pointed out, namely: (1) on calculating the reflected momentum the direction of reflection had been mishandled; (2) the momentum flux carried by the molecules and the stress suffered by the surface had baen incorrectly identified (in fact they are, in the case of reflection, directed opposite to each other and hence have the different signs). Due to these two mistakes, he drawed the unjustifiable conclusion that the model of specular reflection contradicts itself, namely: either Pr ≠ Pi,τr≠-τi; or, if Pr - Pi, τr = - τi, which would be physically absurd. Using his calculation we have proved that Tsien's suggestion Pr = Pi, τr= -τi is correct. In [1], Krzywoblocki enumerated three "theoretically possible'' cases of alteration in the normal velocity component under the specular reflection:showed that the Case c) must be excluded, but he suggested that it seems impossiple to establish which of the remainders is the correct one. In. a simple example, we have shown that the case suggested by Tsien is physically the only possible one. Pointing out the mistakes of M. Z. v. Krzywoblocki's paper, we nevertheless share his opinion that it is necessary to use the quantum mechanics and statistical fluid dynamics to solve the problem of molecule-surface interaction.

本文指出了美国力学工作者Krzywoblocki在他的文章[1]中所犯的两个推理上的錯誤,即:(1)在計算反射分子的动量流时,搞乱了反射方向;(2)把分子的动量流量和物体所受的压力錯誤地等同起来,事实上在反射时,它們具有相反的符号。由于这些錯誤,他得到了鏡面反射模型自相矛盾的結論,即:要么P_r(?)P_i,t_r(?)-t_i;要么如令P_r=P_i,t_r=-t_i,則将导致物理上荒謬的条件。我們利用他的計算証明了P_r=P_i,t_r=-t_i是完全正确的。在[1]中还列举了鏡面反射中三种理論上可能的法向速度变化情况:a)ξ_r~(a)=-ξ′+e_1U,b)ξ_r~(b)=ξ′+e_1U,c)ξ_r~(c)=-ξ′-e_iU;并証明了c)是应該拋弃掉的,伹认为似乎不能分辨其余哪一种是唯一可能的。我們証明了仅第一种,即錢学森所建議的那一种是可能的。

 
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