查询词典 group method

For the group representation, this paper improves the known method of determining the irreducibility. Instead of solving equations and checking every combination of the roots, we calculate the value of a polynomial.

对于自由群的表示，本文首先将不可约性的判别方法，由已有文献中解方程，并对方程的根作组合的方法，改进为直接计算某个多项式的值的方法，并进一步给出区分绝对不可约性和非绝对不可约性的判别准则。

The complete diagonalized Hamiltonian matrixes of order 120 of 3d~3/3d~7 ions configuration in the trigonal symmetry have been established by irreducible representation method and group theory,taking spin-orbit interaction,spin-spin interaction and spin-other-orbit interaction into account.

应用不可约张量方法和群的理论构造了三角对称晶场中考虑自旋-轨道相互作用，自旋-自旋相互作用和自旋-其它轨道相互作用的3d3/3d7态离子的可完全对角化的120阶微扰哈密顿矩阵。

The completely diagonalized Hamiltonian matrixes of order 120 of 3d3/3d7 ions configuration in the trigonal symmetry have been established by irreducible representation method and group theory,taking into account spin-orbit interaction and spin-spin interaction.The ground-state energy levels,the zero-splitting parameter and Jahn-Teller effect of ruby crystal were calculated with the matrixes.

应用不可约张量方法和群的理论构造了三角对称晶场中考虑自旋-轨道相互作用，自旋-自旋相互作用的3d3/3d7离子的可完全对角化的120阶微扰哈密顿矩阵，利用该矩阵计算了红宝石晶体的基态能级、零场分裂参量和Jahn-Teller效应，研究了自旋-轨道的自旋二重态对基态能级的贡献，证明其二重态对基态能级的贡献是不可忽略的，理论计算值与实验值相符合。

With longger fruit and more key fruits,moreover, the two traits showed significantly positive correlation (r=0.888). Of the 11 floral and fruit quantitative traits, the length and width of perianth segment and 6 other traits were different significantly among the three groups,which were successfully used in group-discrimination by means of the method of principal component analysis.

在所研究的11 个花果数量性状中，花被片长度和宽度等10 个性状在三大类群间差异极显著，主成分分析结果表明第1 主成分(贡献率69.11%)综合了各性状的主要信息，依据第1 主成分可以对三大类群进行区分，其中北美鹅掌楸类群第1 主成分值最大(变幅0.7156～1.3916，平均1.0408)，杂交鹅掌楸类群(变幅-0.0865～0.3959，平均0.2646)居于两个亲本类群之间，鹅掌楸类群(变幅-1.5443～-0.8855，平均-1.2426)最小。

The hypertension model rats were induced with bi-kidney-bi-clip method, then the focal cerebral ischemia-reperfusion rat model was induced by reversible occlusion for a middle cerebral artery with a thread on the stroke prone renovascular hypertensive model rat. While the rats in sham operation group were operated without thread insertion. Shuigou (Du 26), bilateral Neiguan(PC 6) and bilateral Housanli (Zusanli, ST 36) were located according to"Atlas of Experimental Animal Acupoints" made by Hua's. Shuigou (Du26): 1 mm below nasal apex right on the Labium leporinum, be punctured 1 mm obliquely upward; Neiguan (PC 6): at the lateral palm of the forearm3 mm above wrist joint, between ulna and radius, be punctured 1 mm perpendicularly; Housanli (Zusanli, ST 36): under knee joint, 5 mm below the capitulum of fibula, be punctured 7 mm perpendicularly. The skin of Shuigou (Du 26) and the root of right ear, Neiguan (PC 6) and Housanli (Zusanli, ST 36) were connected with electroacupuncture Therapeutic Instrument G6805 with the parameters of continuous wave, 120 times/minute in frequency, 1 mA in intensity for 30 minutes.

用双肾双夹法复制易卒中型肾血管性高血压模型，在此基础上，运用栓线法制备大鼠局灶性脑缺血再灌注模型；假手术组除不插入栓线外，其余步骤同模型组；电针治疗组取水沟(唇裂鼻尖下1 mm正中处，向上斜刺1 mm)、双侧内关(前肢内侧，离腕关节约3 mm处的尺桡骨缝间，直刺1 mm)、双侧足三里(膝关节下侧，在腓骨小头下约5 mm处，直刺7 mm)水沟穴与右耳根部皮肤、内关与足三里接G6805电针治疗仪，连续波，频率120次/min，强度1 mA，留针30 min。

The study on diet diversity of a group of Francois' langur over 11 months was conducted by focal animal sampling method in Fusui Nature Reserve, China.

采用焦点动物取样技术研究了扶绥自然保护区内一群黑叶猴的食物多样性。

If we use this method to categorize wide area networks,we can group them into three basic types:circuit switched,leased line and packet switched.

如果使用这种方法，可将广域网分成3种基本类型：电路交换、专线和分组交换。

In chapter 5,Lie group analysis method was applied to nonlinear PDE with variable coefficients.

在这一章里，我们用Lie群分析法研究了带线性阻尼项的变系数广义Burgers方程。

In Chapter 2 is concerned the Lie point symmetry group of two type WKI equations based on the motions of plane and space curves by using the Lie classical method.

通过研究平面和空间曲线的运动，得出两类WKI方程，并利用李的经典方法，得到相应的李点对称群。

In the paper, with the characteristics of the line integral road, free surface condition and continuity condition, we gave the additional equations to close the equation group and overcame the difficulty, and successfully calculated and analysed the nonlinear ship wavemaking by the method.

文中根据自由面线积分路径的特点，自由面边界条件以及连续性条件来建立补充方程，而成功地解决这一难题，从而为非线性船波分析提供了一个有力的工具，并利用此方法分析非线性兴波取得了成功。

For a big chunk of credit-card losses; the number of filings (and thus charge-off rates) would be rising again, whether

年美国个人破产法的一个改动使得破产登记急速下降，而后引起了信用卡大规模的亏损。

Eph. 4:23 And that you be renewed in the spirit of your mind

弗四23 而在你们心思的灵里得以更新