The propagation properties of photonic crystal fibers (PCF) are discussed with effective-index model.
应用等效折射率模型研究了光子晶体光纤(PCF)的传播特性。
As of August, the latest data available, the BIS index of the dollar's effective exchange rate was less than 92, or roughly 8% below what some might consider fair, or equilibrium, value.
最近一份数据显示,8月份时BIS的美元实际有效汇率指数不足92,较指数均衡价值低了8%左右。
If we use the rise in labor costs as the DE facto inflation index - instead of the CPI - to compute the real effective exchange rate, the yuan has appreciated 50 percent already since 2005.
代替消费者价格指数,如果我们使用劳动力成本的涨幅作为实际通胀指数,来计算实际有效汇率,那么自2005年起人民币已经升值了50%。
Instead, the focus is on the components required to deliver effective search results: the database, the index, the search engine, and the PHP application program interface (API).
相反,重点讨论交付有效搜索结果所需的组件:数据库、索引、搜索引擎和PHP应用程序编程接口(API)。
Effective cover rate for soil and water conservation forests is an important index in the construction of forestry.
水土保持林有效覆盖率是水土保持林建设中的一个重要指标。
Therefore, sulfur content can be used as an effective index for oil source correlation.
因此硫含量可以作为油源对比的一个有效指标。
Conclusion AUC is an effective index for evaluating rabbit renal IRI.
结论AUC是评价兔肾缺血再灌注损伤的有效指标。
POI may be used as a single effective index for detection of acute rejection.
POI可用为判断急性排斥的有效单一指数。
Exercise was more effective in subjects with initially high total cholesterol levels or low body mass index.
在初始的高总胆固醇水平或低体重指数的受试者中这种训练更为有效。
It is of great significance for Chinese petroleum enterprises to establish a scientific, reasonable, and effective management achievement appraising index system.
对我国石油企业而言,建立科学、合理、有效的经营业绩评价指标体系意义重大。
The existence of effective cap rock is the key index of performing play evaluation on Palaeozoic prospecting, then to consider that tensional fault destroyed the cap rock in limited region.
下古生界的勘探区带评价的关键性指标首先是存在有效盖层,然后考虑张性断层对局部封盖条件的破坏作用。
Compared with the traditional subjective judgments of administrative staff and single evaluation index model, DEA model has offered a more effective method in appraising advertisement effect.
同传统的管理人员主观判断和单一评价指标相比,DEA模型提供了一种更为有效的广告效果评价方法。
The measurement of density and hardness of carbide tips is one of effective method to judge the real compositions of carbide tip and index of performance quality.
实测硬质合金刀片的密度和硬度值是一种判断刀片成分真实含量和性能质量指标的有效方法之一。
So, grain filling effective water content could be used as an index to diagnose the grain capacity activity in rice.
认为籽粒灌浆有效含水量可作为水稻籽粒受容活性的诊断指标。
Exploration degree of Tarim Basin, however, is not high, so effective source rock distribution cannot be precisely defined only by geochemical index of the well sites.
而塔里木盆地勘探程度不高,仅凭井点的地化指标,是不能准确圈定有效烃源岩分布的。
The fuzzy importance index of unit is one of simple and effective method to evaluate important degree of unit of equipment at short of the data.
零部件关键重要度指标是一种在数据相对缺乏的情况下评价装备零部件重要性的简单有效方法。
Researchers considered the drug effective if it caused a 75% reduction in the psoriasis area and severity index score (PASI 75) at week 12.
如果皮损面积和严重指数评分(PASI 75)在第12周减少75%以上研究者认为这药有效。
The results showed that the fractal dimension is an effective index to quantitatively characterize the complexity of wood interior porosity during the drying process.
结果表明:木材内部孔隙度的分形维数是定量反映干燥过程中木材内部孔隙复杂程度新的有效指标。
Conclusion the activity index appears to be simple, rational and effective for measuring the activity of lupus nephritis.
结论这一活动性指数能较简便、合理、有效地测定狼疮性肾炎的活动程度。
The results showed that the quantitative analysis of computer is helpful for quick measuring index of pollen's shapes, this is effective method for numerical taxonomy of pollen.
结果表明:花粉计算机量化分析有助于快速定量测定有关花粉形态指标,是花粉数量分类的一种有效方法。
Four effective methods on measuring refractive index of wave guide film are given. All of the methods are studied, especially, an experiment is done by the prism coupling method.
本文讨论了四种测量波导薄膜的有效方法,对各种测量方法作了分析研究,并着重对棱镜耦合法进行了实验研究。
In order to determine the model matching index of switching control, a multiple models switching control algorithm based on effective model matching was presented.
针对切换控制中模型匹配准则的确定问题,提出了一种基于模型有效匹配的多模型切换控制算法。
Objective To establish a more effective statistic index-Average of Dynamic Bed Turnover.
目的建立一个新的更有效的病区管理统计指标——病床动态周转次数。
For different values of the effective refractive index, the air-guided modes can exist in different forms in part of PBGs.
依据有效折射率的不同,部分带隙中的空气-导模将以不同的形式存在。
Basing on scalar approximation the dispersion property of photonic crystal fibers (PCF) with lower air filling fraction are investigated by an effective index approach in this paper.
基于标量近似理论利用有效折射率方法对低空气填充率的光子晶体光纤(PCF)的色散特性进行了数值模拟。
Transmission parameters such as numerical aperture and normalized frequency of the fabricated holey fibers have been measured and compared with theoretical values based on effective index method.
测量了拉制成的有孔光纤的数值孔径和归一化频率等传输参数,并基于有效折射率方法与理论值进行了比较。
A fully vectorial effective index method is proposed and used to study the dispersion properties of photonic crystal fibers in combination with the concept of normalized dispersion.
提出了光子晶体光纤色散的矢量有效折射率计算方法,并结合归一化色散的概念研究了光子晶体光纤的色散特性。
Then, it is effective and feasible to introduce EVA system into our performance measurement index system.
因此,将EVA体系引入我国的绩效评价体系是有效可行的。
In study for vegetation distribution and regionalization, NPP index can be introduced as an effective tool by which somerelevant regulations may be elucidated simply and directly.
在研究植被分布和分区时引入NPP指标可以更简捷地阐明有关规律。
In study for vegetation distribution and regionalization, NPP index can be introduced as an effective tool by which somerelevant regulations may be elucidated simply and directly.
在研究植被分布和分区时引入NPP指标可以更简捷地阐明有关规律。
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