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group parameter
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  参数组
     We calculated the binding energy and the quadrupole deformation factor of odd-proton Nb-isotopes respectively in relativistic mean field theory,using three group parameters NL-SH,NL-3,NL-Z. We found an optimal group parameter in this region. Furthermore, we calculated the binding energy of other elements which have not yet been measured by experiment, and predicted their stability.
     在相对论平均场理论框架下,用3组参数NLSH、NL3、NL2分别计算了奇质子Nb同位素链的结合能和四极形变系数,确定了适用于该同位素区域的最佳参数组,在此基础上计算了实验上还未测定的其余元素的结合能,预言了它们的稳定性.
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     The chemical shift δ_C,δ_H,A_i,Z_i of the compound were determined. A_i being the substituting group parameter of β-methyl-thiophene that cause changing δ_C of carbon in aromatic ring is A_1=17.60,A_o=2.20,A_m=(3.50),A_p=5.40;
     根据计算和实测结果确定了取代基β-甲基噻吩对苯环碳化学位移增量参数Ai:A1=17.60,Ao=2.20,Am=3.50,Ap=5.40、质子化学位移增量参数Zi:Zo=0.20,Zm=0.12,Zp=0.16;
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     Signaling-Based Multicast Group Parameter Measurement in IP Networks
     IP网络中基于信令的多播参数测量机制
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     Fuel Assembly Few Group Parameter Calculation Code AFGPB and Benchmarking
     燃料组件少群参数计算程序AFGPB及其基准验证
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     With the method of Hildebrand Solubility Parameter, Group Parameter andutilization δ_d, δ_p, δ_n, of solvent and solute to describe exchang energy density(~(ij)A).
     用Hildebrand溶解度参数和基团参数法,交换能量密度(~(ij)A)用溶剂和溶质的δ_d,δ_p,δ_h描述。
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     Methods Thirty cases of COPD with CRF were randomly divided into two groups: BiPAP ventilation together with regular therapy group (test group, n=15) and regular therapy group (contrast group, n=15). The test group parameter was IPAP gradually from 8 to 20 cm H 2O, EPAP 2 5CM H 2O, and the flow rate was oxygen 5-10L/min.
     方法  30例 COPD合并呼衰患者随机分为 Bi PAP通气加常规疗法组 (试验组 )和单用常规疗法组 (对照组 )各 1 5例 ,试验组设置参数 :IPAP由 8- 1 0cm H2 O开始 ,渐升至 1 4 - 2 0 cm H2 O、EPAP2 - 5 cm H2 O,氧流量 5 - 1 0 L / min。
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  相似匹配句对
     In group K.
     K.
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     group.
     LPS+ICAM1单抗处理组;
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     A New Parameter of Debris Group Characteristic
     一种新的磨屑群体特征参数
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     Results All hemodynamic parameter were stable in the control group.
     结果对照组无明显变化。
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     estimation of its parameter;
     评定运动模糊的参数;
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  group parameter
In this study, a group parameter, melting index, is used to interpret the molten state of particles, which also reflects the thermal energy of the particles.
      
We use two versions of the ε-expansion (with ε = 4 - d and with ε = α - 3d/2, where α is the renormalization group parameter) and evaluate the critical indices ν and η up to the second order of the perturbation theory.
      
This mapping taken at the renormalization group singular point and with the renormalization group parameter α=1 generates cycles of arbitrary lengths.
      
The overall accuracy of prediction was found to vary from a minimum of 84% for a model based on the eccentric connectivity index to a maximum of 91% for a model based on the Zagreb group parameter.
      
A training set comprising 59 analogs of substituted thiophenes was selected and the corresponding values of Wiener's index, the Zagreb group parameter, and the eccentric connectivity index for each compound were calculated.
      
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From the point of view of focal mechanism, characteristics of foreshocks, aftershocks and earthquake swarms are analysed, based on observations of some of the strong earthquakes occurred in recent years. It is pointed out that there are considerable differences between the three. A "Group Parameter" - Consistency of focal mechanism has been suggested to describe the seismicity of a group of earthquakes and we try to make it more or less quantitative. It is emphasized that to identify the consistancy...

From the point of view of focal mechanism, characteristics of foreshocks, aftershocks and earthquake swarms are analysed, based on observations of some of the strong earthquakes occurred in recent years. It is pointed out that there are considerable differences between the three. A "Group Parameter" - Consistency of focal mechanism has been suggested to describe the seismicity of a group of earthquakes and we try to make it more or less quantitative. It is emphasized that to identify the consistancy of focal mechanism for a group of earthquakes, one may find quick and convenient by just analysing the wave form of the seismic records. Besides, in this paper, some examples are also given for the assessment of earthquake risk by using the parameter mentioned above.

本文根据近年来的一些强震震例,从震源机制角度分析了前震、余震和地震群的不同特点,指出在震源机制的一致程度方面,前震、余震和地震群有明显的差别,提出了描述一群地震活动性方面的一个“群体”参数——震源机制一致性,并试图给这个参数定量化.本文强调判断一群地震震源机制一致性时,用地震记录波形鉴别法常常是迅速方便的,还给出了一些用震源机制一致性参数确定地震危险性的实例.

In this work, a pair of group interaction parameters, aCCOH, CHO and aCHO, CCOH, used in the UNIFAC group contribution method, has been supplemented from experimental vapor-liquid equilibrium data of iso-butanol iso-butaldehyde system available from literature[5]. The UNIFAC method has heen used in phase equilibrium calculations for systems of n-and iso-butanol purification process with accuracy approaching or attaining that of results calculated by NRTL and other correlations. In view of the...

In this work, a pair of group interaction parameters, aCCOH, CHO and aCHO, CCOH, used in the UNIFAC group contribution method, has been supplemented from experimental vapor-liquid equilibrium data of iso-butanol iso-butaldehyde system available from literature[5]. The UNIFAC method has heen used in phase equilibrium calculations for systems of n-and iso-butanol purification process with accuracy approaching or attaining that of results calculated by NRTL and other correlations. In view of the fact that the UNIFAC method is based upon the assumption of additive property of group properties, it is necessary to check the calculating results with a few experimental data and to make appropriate choice of the available group parameters.

本文通过异丁醇-异丁醛体系汽液平衡的文献数据,增补了用于UNIFAC法的一对a_(CCOH,CHO)和a_(CHO,CCOH)基团相互作用参数。用UNIFAC法推算有关正、异丁醇精制系统的各类相平衡数据,其计算精确度接近或达到NRTL等方程的关联结果。由于此法基于基团性质加和性的假定,因此在具体应用时必须慎重地选择参数值,并用实验数据进行检验。

Heat of adsorption ΔHa0, entropy of adsorption Δa0 and free energy of adsorption ΔGa0 of 18 alkanes and 5 aromatic hydrocarbons on γ-Al2O3 are determined by gas-solid chromatography. Linear relationship between ΔHa0 and molecular refractivity RD of adsorbates are observed for alkanes and aromatic hydrocarbons respectively. Some group parameters are proposed for predicting ΔHa0 and ΔGa0 of hydrocarbons on γ-Al2O3, using group additivity method.

本文通过实验测定,并根据吸附热随吸附质结构变化的规律,提出了一套基团参 数,用基团加和法可以估算各种烷烃和芳烃在γ-Al2O3上的吸附热,进而可估算 标准吸附熵变和标准吸附自由焓变。

 
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