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刚性系数     
相关语句
  rigidity coefficient
     The maximum load (ML) and bending rigidity coefficient (BRC) depressed ( P < 0.05), while the bending toughness coefficient (BTC) increased ( P <0.01) in H group.
     H组最大载荷和刚性系数显著降低 (P<0 .0 5 ) ,韧性系数显著升高 (P<0 .0 1) .
短句来源
     Results: Compared to S rats, elastic ultimate load (EUL), the ultimate load(UL) and bending rigidity coefficient (BRC) of G1 rats ( P <0.05) improved significantly;
     结果 :与S组大鼠比较 :G1组弹性载荷、最大载荷和刚性系数显著恢复 (P <0 .0 5 ) ;
短句来源
     As compared with control group, wet weight, dried weight, ash, diameter and density of femur in suspension group were significantly lower( P <0.01), elastic load, maximum load, and bending rigidity coefficient significantly decreased( P <0.01), while maximum deformation and bending toughness coefficient markedly increased( P< 0.01 or P <0.05).
     与对照组相比 ,3周模拟失重组大鼠股骨湿重、干重、灰分、直径和密度均降低 (P<0 .0 1) ; 弹性载荷、最大载荷、刚性系数等均下降(P<0 .0 1) ,最大挠度和韧性系数增大 (P<0 .0 1或 P<0 .0 5 ) ;
短句来源
     The influence of rigidity coefficient of the foundation on the critical velocity is discussed in detail.
     通过计算还得到了地基刚性系数对临界流速的影响规律。
短句来源
  stiffness coefficient
     Based on theoritical and experimental research for a number of years, author proposes a new technique for engineering design of reed valve. Some main structure parameters, such as the average Mach number M of valve clearance, the characteristic lift h_0, the stiffness coefficient K_2 and the thickness δ_2 of valve plate have been correctly determined.
     作者在多年从事簧片阀的理论与实验研究的基础上,提出了簧片阀工程设计新技术,以便正确确定阀隙平均马赫数M、阀片特征升程h_0、阀片刚性系数K_2和阀片厚度δ_2等主要结构参数。
短句来源
     The curves describing the relation between stiffness coefficient K, deformation με and characteristic lift ho for various valve plate have been plotted.
     实验得到了各种阀片的刚性系数k、应变量με与特征升程h_0的关系曲线。
短句来源
     An Experimental Research on Stiffness Coefficient and Deformation of Reed Valve Plate in Compressors
     压缩机簧片阀阀片刚性系数和应变量的实验研究
短句来源
     And then the methods for engineering design was proposed through the analysis of the results that the displacement, stiffness coefficient, stresses and equivalent motion mass of the damping plate were calculated by means of FEM with different structural parameters.
     分析自弹缓冲片各结构参数对其变形、刚性系数、应力及等效运动质量的影响,得到了简便的工程计算公式。
短句来源
     2. At the same status of the loom, the possibility of appearing weaving defects is relative to the characteristic of the loomage, namely, if the stiffness coefficient of the loomage and organzine has lesser difference, the possibility of appearing weaving defects will be lesser, contrarily will bebiggish.
     2、在织机状况相同的情况下,档疵出现的可能性与织物的特性有关,即织物与经丝的刚性系数相差较小的,档疵出现的可能较小,反之较大。
短句来源
更多       
  factor of rigidity
     Analyzing the 5 aspects of thread fastener:under stress,working load,permissible stress,factor of rigidity,factor of pretightening and pretightening force,to provide basis for design of thread fastener of I type flameproof electrical apparatus.
     通过对螺纹紧固件的受力、工作载荷、许用应力、刚性系数、预紧系数及预紧力等五方面的分析,为I类隔爆型电气设备螺纹紧固件的设计提供了依据。
短句来源
  “刚性系数”译为未确定词的双语例句
     Also the relations between the parameters of the delamination and the effective boundary fixity coefficient C′ are analyzed. 
     本文还得到了一些分层参数与有效边界刚性系数C′的关系。
短句来源
     The buckling loads and effective boundary fixity coefficient C′ of delaminations are obtained by RayleighRitz energy method.
     通过应用瑞利—里兹能量法得到了分层的临界屈曲载荷和有效边界刚性系数C′。
短句来源
     The regression analysis shows that the main influential factors upon the ηb include the MCV, blood sugar (G), hemagglutination index (A 1, A 2), rigid coefficient of red blood cell (Tk), IR and ηp and the main influential factors upon the ηp include the Hb, CHO, blood sedimentation equation value (K) and IR.
     回归分析可知,影响额河银鲫ηb的主要因子有平均红细胞体积(MCV)、血糖(G)、红细胞聚集指数(A1和A2)、红细胞刚性系数(Tk)、红细胞刚性指标(IR)、血浆粘度(ηp); 影响ηp的因子有Hb、血清胆固醇(CHO)、血沉方程K值和IR。
短句来源
     The results showed:(1)Whole blood viscosity,whole blood reduced viscosity(at 10,20,60,80,120,200 s -1 ),plasma viscosity,erythrocyte accumulation index,and rigid coefficient of red blood cell of dairy cows suffering from endometritis were higher than that of normal dairy cows (P<0 01) and decreased after being cured by use of the curing recipe (P<0 01) .
     结果表明 :(1 )患子宫内膜炎奶牛 (n =1 0 )的全血粘度、全血还原粘度 (在切变率 1 0 ,2 0 ,6 0 ,80 ,1 2 0和 2 0 0s-1下 )、血浆粘度、红细胞聚积指数和红细胞刚性系数极显著高于临床健康牛 (P <0 0 1 ) ,经治疗方剂治疗后上述指标极显著地下降 (P <0 0 1 ) ;
短句来源
     The results are summarized in Table 2. For the case of strike-slip fault, they are as follows:(6) The expression for determining regional stress τ0, M0 =where M, magnitude of earthquake; L, W length and width of the fault; tj, seismic efficiency: To, regional shear stress;
     对于走滑断层情形,关系式如下: (1) (2) (3) (4)应力降 (5)平均应力 (6)用Mo和L~2W求区域应力公式式中,M为震级,L、W为断层长度和宽度,η为地震效率,τ_0为区域剪切应力,τ_y为剪切屈服强度,μ为刚性系数,v为泊松比,为平均位错,M_0为地震矩。
短句来源
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  rigidity coefficient
It is shown that Anderson localization effects result in the reduction of the rigidity coefficient attached the gradient term in the Ginzburg-Landau functional.
      
However, the rigidity coefficient remains finite at the mobility edge, where the diffusion coefficient for normal excitations vanishes.
      
Using the relations obtained and the structure-sensitive parameters, the rigidity coefficient of macromolecules in a block, the thermal conductivity coefficient, the destruction stress, and other characteristics of polymers are determined.
      
The difference PmMT-PAT is increasing with the level of the intraocular pressure and with the rigidity coefficient.
      
Chronologic age and the scleral rigidity coefficient were the most significant factors affecting the closeness in readings.
      
  coefficient of rigidity
In the present case the reactions of the ocular tension and of the coefficient of rigidity to an experimentally enlarged functional dead - space is investigated, as well as the increase in PaCO2 and the decrease in PaO2.
      
It affects the coefficient of rigidity of the stress state (Kij) at the crack tip and, thereby, characterizes the embrittling effect of the given crack.
      
The reduction of the coefficient of rigidity of heat exchanger tube plates during elastoplastic strain
      
  stiffness coefficient
It is shown that the Fermi surface distortion (FSD) reduces the instability-growth rate for surface fluctuations due to its effects on both the viscosity and the increase in the stiffness coefficient.
      
In a recent paper leit one of the authors noted, without presenting aproof, that appropriate variation of the stiffness coefficient in amass-spring-damper system leads to increase of the system energy during acycle of the motion.
      
The soleus stiffness coefficient was greater than the gastrocnemius stiffness coefficient by 87.6?m-1 in average.
      
Nonlinear and linear stability/perturbation analyses at deformed, stressed configurations with a linear stiffness-force relationship for muscles identified the system stability and critical muscle stiffness coefficient.
      
The resonance peak positions shift towards lower frequencies with increase in temperature as a consequence of the decrease in the stiffness coefficient (C11) of the crystal.
      
更多          
  factor of rigidity
An original "force" model of fracture of solid bodies due to ideally sharp cracks of natural origin with allowance for the factor of "rigidity" of interatomic bonds at the tip of the crack is suggested.
      


This paper is chiefly composed of two parts. The first part deals with the buckling of the grillages with the same transverse beams. In solving the differential equations of the neutral equilibrium of these grillages, a simplified assumption is made that all the transverses and longitu-dinals have the same modes of buckling Y(y) and X(x) respectively. With this assumption the original problem is converted into that of buckling an equivalent longitudinal beam, attached to an elastic foundation or to some of the...

This paper is chiefly composed of two parts. The first part deals with the buckling of the grillages with the same transverse beams. In solving the differential equations of the neutral equilibrium of these grillages, a simplified assumption is made that all the transverses and longitu-dinals have the same modes of buckling Y(y) and X(x) respectively. With this assumption the original problem is converted into that of buckling an equivalent longitudinal beam, attached to an elastic foundation or to some of the same intermediate elastic supports, and loaded with an equiva-lent axial force, the mode of buckling being X(x). The modulus of the elastic foundation or the elastic supports, as well as the magnitude of the axial force, are related to the natural frequency of an equivalent beam having the natural mode of vibration as Y(y). The calculating formulas derived by the author can be used either for solving exactly the grillages with the same Iongitu-dinals, or for solving approximately those with different longitudinals symmetrically arranged in any form. As for the latter case, the new method possesses the santo degree of accuracy as those previousely used, but it has a wider field of applications snd reduces the labor of calculation drastically. In the second part of the paper, the problem of the buckling of the grillages consisting of both different longitudinals and different transverses has been studied. On the basis of the deduction made in the first part, this problem is converted into that of buckling an equivalent lougitudinal beam attached to some different intermediate elastic supports. For the cases of grillages with only one different transverse or with only one pair of different transverses symmetrically arranged, the solution can be simplified to one formula only. In each part of this paper numerical examples are given with the aim to illustrate the uses of the formulas and to show the amount of calculation labor involved.

本文由两个部分组成。第一部分中討論了具有相同横梁板架的稳定性問題。在解題时,假設板架的纵梁和橫梁各具有相同的失稳形状X(x)和Y(y),从而将此种板架的稳定性問題轉化为一根相当纵梁在彈性基础上,或在相同的中間彈性支座上受到軸向力的稳定性問題,而X(x)为其失稳形状。上述彈性基础或彈性支座的刚性系数,以及相当纵梁的軸向力的大小,皆与某一相当橫梁的自由振动頻率有关,Y(y)即为該相当橫梁的自由振动形式。利用作者推导所得的公式,既可以用来計算纵梁相同的板架,得到与精确解相同的結果;也可以用来解不同纵梁的板架而得到近似解。在后一种情况下,本文的方法具有与现用方法相同妁精确性,但应用的范圍要广泛得多,且計算的工作量也大为减輕。論文的第二部分,討論了具有不同纵梁和不同横梁的析架稳定性问题。利用本文第一部分的推导,該問題可轉化为一根相当纵梁在不同的中間彈性支座上的稳定性問題。对于仅有一根不同横梁或一对对称布置的不同横梁的板架,又可将該問題的解簡化为一个单独的計算公式。文章还给出了数值計算的例題,以說明公式的应用和解題的工作量。

This paper deals with the deflection of the Liberty ship resting on keel blocks during drydocking, which is regarded as a continuous beam of variable section and rigidity resting on an elastic foundation. By means of energy method we can adopt deflection curve of the vessel in the form of harmonically vibrating function. Thus the following basic differential equation [EI(x)y"-]" +k(x) y=q(x) may be expressed as linear simultaneous equations where S~(i)_n denotes the function of the moment of inertia, η~(i)_n...

This paper deals with the deflection of the Liberty ship resting on keel blocks during drydocking, which is regarded as a continuous beam of variable section and rigidity resting on an elastic foundation. By means of energy method we can adopt deflection curve of the vessel in the form of harmonically vibrating function. Thus the following basic differential equation [EI(x)y"-]" +k(x) y=q(x) may be expressed as linear simultaneous equations where S~(i)_n denotes the function of the moment of inertia, η~(i)_n denotes the function of the elastic foundation modulus of the keel blocks, Q_i denotes the function of load intensity of the vessel. Some features in ship-repairing have been taken into consideration, the original deflection exists such as before dry-docking and the effect of shear deflection occurs when large shell plates are removed from the side of hull. A simple and approximate formula is derived to evaluate them. Calculations applied to the Liberty ship also illustrate the effects of some technological factors in the process of ship-repairing such as (1) shifting the blocks, (2) removing shell plates at the side of hull, (3) the water test. This paper contains a series of interesting data obtained from the Liberty ship during drydocking, together with theoretical analysis the following conclusions may be drawn. Ⅰ. The results of theoretical calculations differ from those obtained by measurement, the main reason of which is that the calculations neglect the existence of the original deflection of the vessel and the gaps in the wooden structure of keel block. Ⅱ. Among the factors effecting on delection, the shifting of keel blocks has greater effect than the water test and the removal of shell plates has the least. Ⅲ. As required in ship-repairing, any removal of large shell plates at the side of hull should take into account at the same time the effect of shear deflection. Ⅳ. The deflection of the vessel during dry-docking mainly depeds upon the original deflection, the load intensity of the vessel, and the arrangement of the keel blocks. For the Liberty ship it is nsnally found to bend upwards amidships or to hog.

本文把安置在干塢中龙骨墩上修理的自由輪的变形,视为彈性基础上的变断面、变剛性連續梁来計算,应用能量法选择主振动形式函数来表示船身撓曲曲线。这样基本微分方程 [EI(x)y″]″+k(x)y=q(x) 可以用绕性联立方程組来表示: sum from i=1 to n[I_0/L~4S_n~((i))+k_0η_n~((i))]A_n=q_0Q_i式中S_n~((i))、η_n~((i))、Q_i分别表示慣性矩、彈性基础剛性系数和船身重量的分布函数。进而考虑了修船生产的特点,論述了(1)船体修理前的初始撓度;(2)拆落大面积船側外板时剪切变形的影响。也给出了近似計算公式。通过对自由輪的实例計算討論了修理过程中的下列工艺因素:(1)移动龙骨墩;(2)拆落船体外板;(3)装水試驗对船体变形的影响。并作了定性上的分析。本文还統計了一系列自由輪变形測量资料,进行整理并繪成图表。在理論分析和实际测量基础上,可以得到下列主要結論: 1.理論計算值和实际测量值相差較大,其主要原因是計算中沒有考虑墩木的間隙和船身的初始撓曲的影响。 2.在影响塢修变形的諸因素中,以移动龙骨墩的影响最大,装水次之,拆落外板影响較小。 3.在修理过程...

本文把安置在干塢中龙骨墩上修理的自由輪的变形,视为彈性基础上的变断面、变剛性連續梁来計算,应用能量法选择主振动形式函数来表示船身撓曲曲线。这样基本微分方程 [EI(x)y″]″+k(x)y=q(x) 可以用绕性联立方程組来表示: sum from i=1 to n[I_0/L~4S_n~((i))+k_0η_n~((i))]A_n=q_0Q_i式中S_n~((i))、η_n~((i))、Q_i分别表示慣性矩、彈性基础剛性系数和船身重量的分布函数。进而考虑了修船生产的特点,論述了(1)船体修理前的初始撓度;(2)拆落大面积船側外板时剪切变形的影响。也给出了近似計算公式。通过对自由輪的实例計算討論了修理过程中的下列工艺因素:(1)移动龙骨墩;(2)拆落船体外板;(3)装水試驗对船体变形的影响。并作了定性上的分析。本文还統計了一系列自由輪变形測量资料,进行整理并繪成图表。在理論分析和实际测量基础上,可以得到下列主要結論: 1.理論計算值和实际测量值相差較大,其主要原因是計算中沒有考虑墩木的間隙和船身的初始撓曲的影响。 2.在影响塢修变形的諸因素中,以移动龙骨墩的影响最大,装水次之,拆落外板影响較小。 3.在修理过程中,如大面积拆落船侧外板(尤其在1/4L处)时、必須計入剪切对于船体变形的影响。 4.船舶修理过程中的变形,主要是取决于船舶的初始撓曲和船身重量及墩木的分布。以自由輪而言,通常以呈中拱变形较为普遍。

The formulas of strain energy release rate and crack sliding displacement pro-pesed in fracture mechanics have been used in the study of earthquake faulting process. Then, by applying the magnitude-energy relation, logεe=α1M+α2, the relations between the earthquake source parameters and the stress conditions in the crust, for strike-slip, dip-slip and circular disk-shaped shear faults were derived. The results are summarized in Table 2. For the case of strike-slip fault, they are as follows:(6) The expression...

The formulas of strain energy release rate and crack sliding displacement pro-pesed in fracture mechanics have been used in the study of earthquake faulting process. Then, by applying the magnitude-energy relation, logεe=α1M+α2, the relations between the earthquake source parameters and the stress conditions in the crust, for strike-slip, dip-slip and circular disk-shaped shear faults were derived. The results are summarized in Table 2. For the case of strike-slip fault, they are as follows:(6) The expression for determining regional stress τ0, M0 =where M, magnitude of earthquake; L, W length and width of the fault; tj, seismic efficiency: To, regional shear stress; τy, yielding shear strength; fi, rigidity modulus; v, Poisson Ratio; D, average dislocation and M0, the seismic moment.The yielding strength under the stress condition prevailing in the crust, can be measured in the laboratory, therefore, by means of (6) or (1), the regional shear stress can be esyimated from earthquake data. It can be seen that a considerable difference exists between the relations mentioned above and the relations for the earthquake source parameters in current use. It is because, in the latter case, the initial and final stress condition of the fracture are only taken into consideration, whereas in the former case, the fracture process in the light of fracture mechanics has been dealt with.

把断裂力学中的应变能释放率公式和裂纹错开位移公式运用到地震破裂中来,再用震级—能量公式logε_e=α_1M+α_2,对于走向滑动、倾向滑动和圆盘形剪切破裂找到了震源参数和地壳应力状态之间的内在联系,汇总在表2。对于走滑断层情形,关系式如下: (1) (2) (3) (4)应力降 (5)平均应力 (6)用Mo和L~2W求区域应力公式式中,M为震级,L、W为断层长度和宽度,η为地震效率,τ_0为区域剪切应力,τ_y为剪切屈服强度,μ为刚性系数,v为泊松比,为平均位错,M_0为地震矩。 利用(6)式或(1)式,在实验室测出地壳状态下屈服强度τ_y,后,可用地震观测资料算出区域剪切应力τ_0。 上述关系式和目前流行的震源参数之间的关系式有很大的差别。原因是以往只考虑了破裂的初态和终态,没有考虑破裂过程。而断裂力学恰恰是考虑了破裂过程。

 
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