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In this paper the impacting extent of equivalent inductances of transmission lines and transformers as well as that of high voltage shunt reactor on GIC level evaluation by DC equivalent model of power network are analyzed, and by means of simulation the impacts of transformer winding connection modes and structure of transformer cores on equivalent inductance of transformer are researched.

文章分析了线路等效电感、变压器等效电感和高压并联电抗器等效电感对采用电网直流等效模型评估GIC水平所产生误差的影响程度，通过仿真计算分析了变压器绕组联结组别和变压器铁心结构对变压器等效电感的影响，最后针对我国电网的特点，提出了用于评估超、特高压电网电磁感应电流水平的电网等效模型。

By using equivalent resistance method or quasivalent resistance method, this deficiency can be complemented to some extent.

对存在多路径的含环化合物，建立了等效电阻法、类效电阻法，以改进多路径下相对距离的计算方法。

When the power was 40J/cm2, the situation was similar to that with 30J/cm2 but more severe.CONCLUSION:① the blue light intensity in 30J/cm2 and 40J/cm2 could both induce the acute retinal light injury,② AcrySof one piece IOL and other PMMA IOLhave no obvious effect no retina comparing to direct eradiation,③AcrySof Natural can weaken the injury of blue light to some extent.

30J/cm2与40J/cm2蓝光光照强度均可造成新鲜离体猪视网膜的急性光损伤；Acrysof一片与直接光照相比对视网膜的光损伤形态学没有明显改变：Acrysof Natural与Acrysof一片相比具有减弱光损伤的作用。

By use of the ergodic property of chaos movement and the inversion of genetic algorithm, a chaos genetic algorithm was proposed. Its basic principle lies in the small disturbance of which extent is adjusted during searching to child generation group using the chaos variable.

摘 要：利用混沌优化的遍历性和遗传算法优化的反演性，提出了混沌遗传算法，其基本思想是把混沌变量加载于遗传算法的变量群体中，利用混沌变量对子代群体进行微小扰动，随着搜索过程的进行逐渐调整扰动幅度。

The invasion extent and harmfulness of fungi can be determined by chitin, ergosterol and mycotoxins.

几丁质、麦角甾醇和真菌毒素可以反应真菌侵染程度和危害性。

The total rms of calculationalvalue of CHF, by use of proposed flow direction factor is reduced by 20% to 46%, and the maximumerrors and 95% error band are also decreased to a certain extent.

修正后，试验值与计算值的总均方根偏差减小20％-46％，偏差带和最大偏差也有不同程度的减小。

The results showed that the repeat test, and students of those languages is totally different from the first reading the story of the worst results, with the language model is similar to the extent of the reduction of oral reading error is also increased accordingly.

结果表明，在复述测试中，对那些与学生的最初语言完全不同的故事的阅读成绩最差，随着语言模式相似程度的降低，口头阅读错误也在相应地增多。

Methods 1000 children first permanent molar normal eruptively were surveyed the extent of initial demineralization on the caries saitivity position by laser-fluorescence system KaVo DIAGNOdent,and chosen 60 no- demineralized children and 60 initial-demineralized or caries-susceptible children,Data were collected by questionnaire from their parents and analyzed by logistic regression and x2 test on computer.

采用激光荧光测定仪对1000名第一恒磨牙均已正常萌出的儿童进行龋敏感点位脱矿程度检查，随机抽取釉质无脱矿组和釉质脱矿组或龋病损组，60份有效配对问卷，进行x2检验及Logistic回归分析。

All the ointments tested led to an inhibition of the UV-induced erythema, but there were great differences in the extent of inhibition.

所有的受试软膏均对紫外线诱导的红斑有抑制作用，但抑制程度有很大的不同。

In either case it is impossible to know just how and to what extent the Qumran documents reflect standard Essene practices and beliefs.

在这两种情况下是不可能知道如何以及在何种程度上昆兰文件反映了标准的厄色尼做法和信仰。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。