Based on the character of three-level inverter and structure of IGCT, the failure mechanism and protection strategy of high voltage three-level inverter are discussed and the whole protection of IGCT is proposed in this paper.
在分析了三电平变频器拓扑结构特点和IGCT结构特性的基础上，讨论了基于IGCT的高压三电平变频器失效机理及保护策略，提出了针对IGCT的全保护概念。
The special structure and important function provocate the interest of many scientists. In this paper, we planed to study the structure and function of MT on the domain level and intradomain level with protein engineering.
它广泛存在于生物界并具有非常保守结构特征，在体内参与必需金属离子的代谢和重金属解毒等重要过程，其特殊的结构和重要的功能引起人们强烈的研究兴趣。
A three-level memory structure is designed to use inner-loop and outer-loop data completely, and at the same time shifted registers are used to make hardware design simpler.
采用三级存储层次，充分开发内层循环、外层循环的数据重用；采用寄存器平移策略，简化硬件设计。
Especially, environment-response polymers can be designed and synthesized with the different hydrophility/hydrophobicity property. The structure and the hydrophilic/hydrophobic balance of these polymers can be adjusted in molecular level; and more, these polymers can form assembly with the controlled size.
尤其重要的是，可以通过分子设计将具有环境响应性质的疏水和亲水的结构单元以不同的组合方式连接于合成高分子中，它们不但在单分子状态具有可调节和环境响应的结构变换及疏水一亲水平衡，还能形成可控尺寸的自组装。
This paper concludes with the view that the structure and structural linguistic level of a metaphor as well as the specific contexts and artistic mood work as the key factors in the translation of metaphor in English poetry.
通过对英语诗歌中的隐喻及其译文的分析，得出结论：隐喻所处的语言结构层次、具体语境及意境是影响翻译的决定因素。
This paper concludes with the view that the structure and the discourse level of a metaphor as well as the specific contexts and artistic mood work as the key factors in the translation of metaphor in CCP.
通过对中国古典诗歌中的隐喻(不同种类和不同语篇层次上)及其译文的分析，作者得出结论：隐喻的组成结构和其所处的语篇层次、具体语境及意境是影响其翻译的决定因素。
Remarkably, the deduced Fermi-level DOS was found to increase with increasing the ratio of a/c. The lower Fermi-level DOS is often related to the fact that more electrons participate in bonding and get localized. Since the lower Fermi-level DOS is often related to the higher phase stability, the present investigation thus confirms that ZrCuSi2 is more stable than HfCuSi2 and ZrCuGe2 with respect to the ZrCuSiAs-type structure.
根据分析这三个样品的Korringa constant 可以推论出每个样品的费米面态密度，相对於其他铜化合物样品研究的费米面态密度值是相当小的，这个结果与ZrCuSn2理论计算中指出Cu 3d 电子对於整体的费米面态密度贡献是很小的相吻合，且由目前的核磁共振实验研究可以得知在铜层键结的p-d混成轨域的强度和a/c值有很大的关联，因此，费米面态密度和a/c值是呈正相关，而通常较低的费米面态密度代表有较多的电子参与成键使得稳定性相对会提高，因此由目前的研究可以知道同属於ZrCuSiAs type的三个样品中ZrCuSi2的稳定性比HfCuSi2 和 ZrCuGe2还要高。
Basing on passenger traffic safety investigation, the study of commercial passenger traffic management system emphasized on Interpretive Structural Model, putting forward the safe influence aggregation theory and the level structure theories of passenger traffic safety management system, and discussing in the social countermeasure to passenger traffic safety.
在对营业性道路旅客运输安全管理体系的研究中，基于客运安全调查，重点研究了客运安全管理体系的结构模型，提出了客运安全的影响要素集合理论与客运安全管理体系的层次理论，探讨了实现客运安全的社会化对策，进行了客运安全的行业监管体系设计，归纳了客运企业的安全管理模式与方法。
Adopting the technology of interpretive structural model in System Engineering divides the complex risk system into multi-level hierarchical ranking structure using adjacent matrix, accessible matrix and skeleton matrix, and thereby form hierarchical directed graph of risk system.
采用系统工程学中的解释结构模型技术，将复杂的风险系统先后通过邻接矩阵、可达矩阵及骨架矩阵最终分解为多级递阶的等级结构，形成风险系统的递阶有向图。
In this paper eighteen examples, which are designed strictly owning to currently Codefor seismic design of buildings of my country, are used to analyze the structure earthquakeresponse under the horizontal seismic load (nabla load distribution pattern) by Push-overanalytical method. The corresponding structural influencing coefficient, the displacementamplification factor, the overstength and ductility factors are analyzed taking into accountthe factors changing, such as level number, span length, span number.
本文严格按我国《建筑抗震设计规范》设计了18个多层钢框架，并以此为例，采用Push-over方法分析了结构在水平荷载作用下的地震反应，得出了多层钢框架的结构影响系数、结构延性和超强系数以及位移放大系数，并讨论了这些系数随着结构层数、跨度及跨数的变化规律。
The structure and control strategy of the exactly level control based on PID method were put forward in the thesis, the detailed mathematical model of the tundish level control system was established. The self-adaptive genetic algorithm, which based on the fuzzy logic, is studied to optimize the PID parameters based on the platform MATLAB.
研究了基于PID算法的漏包移液和液位精确控制结构和方法，建立了漏包液位控制系统的仿真模型；针对PID控制策略，研究了自适应遗传算法，即基于模糊逻辑的遗传算法的PID控制参数整定方法，并通过Matlab平台仿真优化得出PID的控制参数。
Rural passenger transport developed, rural masses can be walked out of close, accept modern culture, improve integrated quality, the lifestyle; that establishs civilized science can improve a country to teach a level greatly, lower the rate of children discontinue one's studying of a rural area, the hospital with the better to the condition in the city farmer of OK and convenient sicken goes to the; of literacy knowledge structure that improves a farmer go to a doctor, get hurt accidentally or break out acute disease to also can in time undertake rescue to the hospital, the rate of go to a doctor that raises sicken farmer effectively, reduce cost of time of go to a doctor, save the life of sicken farmer, improve the healthy quality of the farmer.
农村客运发展了，农村群众就能走出封闭，接受现代文明，提高综合素质，树立文明科学的生活方式；可以大大改善农村教育水平，降低农村地区的儿童辍学率，改善农民的文化知识结构；可以方便患病的农民到城市里条件更好的医院去就医，意外受伤或突发急病也可以及时到医院进行抢救，将有效提高患病农民的就医率，降低就医时间成本，拯救患病农民的生命，提高农民的健康质量。
In the new level, how to coordinate and optimize industrial structure of economic development is an important topic.
在新的阶段，如何调整和优化开发区工业产业结构，是一项重要的经济发展命题。
A systematic quantum chemical characterization of intrinsic structure, energies and spectral properties of all the studied cross-link adducts formed by the novel trans platinum with thiazole ligand has been carried out at B3LYP/6-31G* level of theory with the Lanl2dz pseudo potential basis set for the Pt atom.
常贯儒；周立新*；陈动摘要：在密度泛函B3LYP/6-31G*水平上，对新型反式噻唑铂抗癌药物形成的DNA交联双功能加合物的结构、能量、光谱性质进行系统的量化表征，计算中Pt2+用LanL2DZ赝势基组。
The geometry and electronic structure in C62 and its four pyridinyl derivatives were calculated with DFT method at BP86/TZP level. With the time-dependent density functional theory method, we can assign the lowest excitation transitions and model absorption spectra.
采用密度泛函理论方法，在TZP基组水平下计算C62及其吡啶衍生物几何与电子结构，在全优化构型基础上，采用TD-DFT方法对其低激发态进行计算，预测其电子吸收光谱。
At the local community level, under the impact of local ecological factors, the changes of ecological type structure varied in different communities. In L. chinensis community, the species richness, evenness and diversity decreased dramatically. And in herbosa and alkaline community, both the species richness and diversity increased.
在局域群落水平上，受局部生态因素的影响，各生态类型结构的变化不尽相同，从物种多样性看，优势群落羊草群落的丰富度、均匀度及综合多样性均显著降低，而杂类草及盐生群落种类趋丰富，综合多样性增加。
However the urban-rural dual structure of the majority of rural areas and slow growth, stagnant income of the farmers, the overall educational level is low, which widened the gap between urban and rural areas.
但是长期以来的城乡二元结构造成大部分农村地区经济增长缓慢，农民收入停滞不前，整体文化水平低下，城乡差距不断扩大。
At last, at the behavioral level, this dissertation proposes a minimal-energy based operator scheduling approach to perform operator scheduling for loop folding CDFG structure.
最后，在行为级，本文提出了一种基于最小能量的算子调度算法，对折叠循环结构的控制数据流图进行算子调度。
Ambient salinity and dietary protein level only had significant interaction on the body ash content, while no significant interaction effects were observed in other parameters. Tubules of shrimp fed with CP30 and CP40 had the normal structure, though CP40 increased the number of R cells. Tubules of shrimps fed with CP20 had relatively fewer R cells and arranged incompactly. And the basal membranes of partial tubules were in disrepair. While tubules of shrimps fed with CP50 compactly arranged with much ambiguous materials in B cells.
饲料蛋白质含量明显影响了凡纳滨对虾肝胰腺的组织结构，投喂CP30和CP40饵料的对虾肝小体基膜完整，投喂CP40对虾的肝小体中还出现了大量的存储细胞；而投喂CP20饵料的对虾肝小体分布松散，R细胞数量较小，并且部分肝小体基膜破损；而投喂CP50饵料的对虾的肝小体排列紧密，且B细胞内出现大量内容物质。
This level of self-similar structure appropriate to zoom in or out geometry, the same structure as a whole.
这种自相似的层次结构，适当的放大或缩小几何尺寸，整个结构不变。