gga

Application of General Genetic Algorithm ( GGA ) in the Improvement of Apriori Algorithm

广义遗传算法在Apriori算法改进中的应用

So , we present group genetic algorithms ( GGA ) to solve the graph coloring problem .

因此提出利用分组遗传算法的不定长分组编码方式来彻底解决编码冗余问题。

The generalized gradient approximation ( GGA ) was used with the PAW potential .

计算中使用广义梯度近似（GGA）下的PAW势。

Study of the Electronic Structure of Rhombohedral LiMnO_2 via GGA

菱方LiMnO2电子结构的GGA方法研究

In standard GGA solution , the tests confirmed that using 10 times dilution water as standard could reach the same result ;

实验证实，在配制葡萄糖一谷氨酸标准溶液中，使用10倍于标准浓度稀释水时，可得到同标准法更一致的结果；

The base modes of GGA category in code starting region are rare modes , but these modes are optimum in SD region .

编码开始区域里GGA类的稀有片段恰恰是SD区域最偏好的碱基片段；

CONCLUSION : Systemic administration of GGA protects retina from chronic IOP elevation by regulating the expression of HSP70 .

结论：替普瑞酮通过上调HSP70表达发挥对慢性高眼压视网膜的保护作用。

GGA , an inducer of Trx , inhibited the ER stress induced by MPP + in vitro .

在细胞水平，硫氧还蛋白诱导物GGA可以缓解MPP+引起的内质网应激，从而抑制细胞凋亡。

The useful approximation of exchange-correlation functionals are local density approximation ( LDA ) and generalized gradient approximation ( GGA ) .

常用的近似有局域密度近似（LDA），广义梯度近似（GGA）等。

Comparison between the simulation results of RBF and RBF algorithm Based on GGA optimization further proves the efficiency and precision of its application in Prediction Model for Molten Iron Desulfuration .

通过对基于广义遗传优化的RBF算法与RBF算法的仿真比较，进一步阐明了该算法在铁水脱硫预报模型中的有效性和精确性。

These results suggest that Trx overexpression by GGA inhibited ER stress by MPP + and reduced the apoptosis induced by MPP + .

这些结果说明GGA诱导的硫氧还蛋白高表达可以抑制内质网应激，从而，降低MPP+诱导的细胞凋亡。

The geometry and electronic structure of finite-length ( 4,4 ) Y-shaped CNTs were investigated using DFT with GGA / PW91 method .

运用密度泛函理论的GGA/PW91方法对有限长Y型碳纳米管的结构和性质进行了研究。

The computed results reveal GGA can give the more accurate data than LDA for the noble metal system , and are also found to be in good agreement with experimental measurements .

计算结果表明，对于贵金属GGA给出的计算结果精度要高于LDA，计算所得结果与实验吻合。

A new data structure was designed in this paper to implement GGA . Path adjustment strategies were proposed in GGA , and Multi-Strategy Grouping Genetic Algorithm ( MSGGA ) was designed .

在分组编码遗传算法中提出路径调整思想，设计出一种多策略分组编码遗传算法。

Compared with standard genetic algorithms and inverse Monte Carlo methods , it has been shown that the GGA has high searching efficient , and it can be rapidly obtained optimum results with a few generations .

与标准遗传算法和反演蒙特卡诺算法相比，该算法具有较高的搜索效率，能够用较少的迭代次数快速搜索到最优解。

On the basis of Simple Genetic Algorithms ( SGA ) and Accelerating Genetic Algorithms ( AGA ), Generalized Genetic Algorithms ( GGA ) was created , which can consider ancestor 's genes .

在基本遗传算法和加速遗传算法的基础上，提出可考虑隔代遗传的广义遗传算法；

The optical properties and electrical structure of V in ZnS supercell have been computed by means of plane wave pseudo-potential method ( PWP ) with generalized gradient approximation ( GGA ) .

运用密度泛函平面波赝势方法（PWP）和广义梯度近似（GGA），对替代式掺杂钒（V）的闪锌矿（ZnS）的超晶胞电子结构进行了计算。

Taking account of spin-multiplicity states , the ground-state structures of FeB_N ( N ≤ 6 ) clusters have been predicted using the generalized gradient approximation ( GGA ) density functional theory .

利用密度泛函理论中的广义梯度近似（GGA），在考虑自旋多重度后，预测了FeBN（N≤6）团簇的基态结构。

Results : Four new germline mutations in the RB1 gene were identified in newly collected genomic DNA from RB patients : G → T ( GGA → TGA ) / Gly86stop ;

结果：在新收集的RB患者中，确定4例RB1基因生殖细胞性突变：G→T（GGA→TGA）/Gly86stop；

The bulk modulus of c-BN is 372.8 ± 2.2 GPa ~ 395.8 ± 0.2 GPa and B-N sp3 bond is weak when GGA calculations are employed .

计算结果表明，立方氮化硼的体积模量B0为372.8±2.2GPa~395.8±0.2GPa，GGA对B-Nsp3键的计算偏弱。

Optimum temperature for GGA and PAA trapping cell ranged from 50 to 70 ℃ and 60 to 70 ℃ . The intact cells , however , decreased the activity rapidly when the temperature exceeded 65 ℃ .

GGA和PAA包埋的细胞最适反应温度分别为50℃到70℃和60℃到70℃，然而整细胞在温度超过65℃时活力很快下降。

We begin to illustrate Thomas-Fermi model , Hohenberg-Kohn theorem , Kohn-Sham equation and the recent various correction of DFT include of Generalized Gradient Approximation ( GGA ) and Local Density Approximations ( LDA ) .

首先详细阐述了Thomas-Fermi模型，Hohenberg-Kohn定理，Kohn-Sham方程，以及最近密度泛函理论的各种修正方法（其中包括局域密度近似和广义梯度近似）。

The paper deals with the character of immobilized Pseudomonas sp. CTP-01 , which was entrapped in gelatin-glutaraldehyde ( GGA ) and polyacrylamide ( PAA ), for degrading of parathion .

用明胶-戊二醛（GGA）和聚丙烯酰胺（PAA）包埋的固定化Pseudomonassp.CTP-01细胞具有降解对硫磷的特性。

And , employed same longer △ t , the accuracy of implicit method and the accuracy of semi-Lagrangian method have not apparently different in whole area , while explicit method better than them , but at GGA the former is better than the latter too .

同样取较长的容许时间步长△t时，从整个计算区域来看全隐式格式与半拉格朗日格式的精度相当，但在GGA区全隐式格式结果精度仍明显高于半拉格朗日格式。

The full potential linear augmented plane wave ( FLAPW ) method is used to study geometric and electronic structure of δ - Pu monolayers corresponding to the ( 100 ) and ( 111 ) surfaces in the generalized-gradient approximation ( GGA ) .

采用全势线性缀加平面波（FLAPW）方法，在广义梯度近似（GGA）下研究了单层δ-钚（100）和（111）面的几何和电子结构。

Based on the generalized gradient approximation ( GGA ) of density functional theory ( DFT ) and the full-potential linearized augmented plane wave ( FLAPW ) at the level including all electrons , the lattice parameters of graphite are calculated and optimized .

在全电子水平上，基于广义梯度近似（GGA）的密度泛函理论和全势能线性缀加平面波方法（FLAPW）计算了石墨的晶体参数和弹性波速；

An improved generalized genetic algorithm ( GGA ) was designed and used to solve the BAP model , and the effectiveness of GGA is also validated . Meanwhile , the effect of whether adopting berthing priority factor or not on the hub ports was also analyzed .

为求解模型，本研究设计了改进的广义遗传算法并用于算例的求解，已验证其有效性。此外，对是否考虑靠泊优先权因子对枢纽港泊位分配的影响进行了对比分析。

The lattice parameters , the bulk modulus , the pressure derivation of bulk modulus and the elastic constants of superconducting MgB_2 are calculated using the full-potential linearized muffin-tin orbital ( FP-LMTO ) scheme within the generalized gradient approximation correction ( GGA ) in the frame of density functional theory .

利用全势线性Muffintin轨道（FP-LMTO）方法，结合在密度泛函理论框架下的广义梯度近似，研究了六角密堆积结构超导体MgB2的晶格参数，弹性常数，以及体积模量及其对压强的微分。