The filtering properties of doped one-dimensional photonic crystal containing negative refractive index material are studied by using transfer matrix method.
利用转移矩阵法，研究了含负折射率材料的一维光子晶体掺杂后的滤波性质。
Recent experiments that demonstrate the negative refraction of light has led a hot scientific debate to a close, and will bring the negative-index material a positive future.
近期关于光的负折射现象的论证实验给这个激烈的科学争论一个结论。并且对负反射物质的美好未来给予肯定。
Finite integration technique (FIT) is used to simulate the effects of shape change and optical printing precision on resonant frequency and the pass band of negative refractive index material.
下面利用有限积分法模拟形状变化和光刻精度产生的缺陷对负折射谐振频率和通带的影响。
Raw material prices rose by nearly 20% in May, according to the S&P/Goldman Sachs Commodity Index, one of the biggest monthly increases on record.
根据标普/高盛商品指数，五月份原材料价格上涨了几乎20％，是有纪录以来单月最大涨幅之一。
Google has been quick to remove copyrighted material from services like YouTube where it hosts the content, but it has not been so quick to remove infringing sites entirely from its search index.
Google很快会删除YouTube上的版权内容，但不会在搜索索引中快速删除整个侵权网站。
In the meantime, the Library of Congress won't be creating a catalog of all these tweets and all this data, but they do want to be able to index the material so researchers can effectively search it.
与此同时，国会图书馆不会给所有这些推讯和数据编制目录，但是他们的确希望能够给这些资料建立索引，以便研究人员有效地搜索。
In natural materials, light waves entering at an Angle always bend to plunge more steeply into the material-the hallmark of a refractive index greater than 1.
在自然物质中，以一定角度进入的光波，进入物质后的角度更小——标志着折射率大于1。
But The Complete Reference has its material divided into 27 well-chosen chapters, with both a detailed TOC and a good index.
但是TheCompleteReference将它的内容划分到27个精选的章，带有详细的目录和良好的索引。
The other material are only linked to their own libraries according to certain index principle.
其它资料则按一定的索引规则连接成它们各自的资料库。
The micronuclei rate of polychromatic erythrocytes of mouse bone marrow (PCEMNR) was used as an index to study the effect of S. punicea Hemsl, a new anti-hepatitis drug, on genetic material of mammal.
本文以小鼠骨髓嗜多染红细胞微核率（PCEMNR）为指标，测定了抗病毒性肝炎新药紫红獐牙莱的提取物对哺乳动物遗传物质的诱变作用。
The first liquid crystal material has birefraction index approximately equal to one half of that of the second liquid crystal material.
其中，第一液晶材料层的双折射率约略等于第二液晶材料层的双折射率的一半。
Stress analysis method, material strength theory, safety index and design criteria are main contents in strength design and computation of structures.
应力分析方法、材料强度理论、安全指标与设计准则是结构强度设计与计算理论的主要内容。
The finished product rate is an important technical and economic index for a metallurgical enterprise, which reflects the level of material utilization and management during production process.
综合成材率是冶金企业一个重要的技术经济指标，它反映了一个企业生产过程的材料利用程度和生产管理水平。
For reinforced concrete structure construction with seismic fortification, the yield-strength ratio of steel bar is a very important material quality index.
对于有抗震设防的钢筋混凝土框架结构施工，钢筋屈强比值是个十分重要的材料质量指标。
Some practical problems of this technology, such as tool material selection, special optimization index of cutting parameters and tool geometry determination, are discussed as well.
本文还深入讨论了刀具材料、特定的切削用量优化指标以及刀具几何参数确定等实际技术问题。
It is controlled by the sensitive index of the strain rate and the cavity growth rate of material.
材料的应变速率敏感性指数与孔洞长大速率通过不同的变形机理图控制着这种过程。
Accept defeat this new index of strength with the surface, we can research the material surface.
用表面屈服强度这一新指标，可以对材料表面进行研究。
The total evolution index was induced and the FEM of material plastic damage model was supplied to simulate the nonlinear damage evolution of bridge structure subjected to the earthquake excitation.
引入了地震损伤的整体演化指标，通过有限元方法利用材料塑性损伤模型模拟桥梁结构在地震激励下的非线性损伤演化过程。
The tested results indicated that every technical index of the material reaches or exceeds international level of the same type of product.
检测结果表明，这种材料的各项技术指标均已达到或超过引进国外同类产品的水平。
The index, construction technology etc. of using the new material is introduced so as to implement more rapidly and widely.
现将使用这一新材料的指标、施工技术、撒布层铺法等技术介绍给大家，以便更快更广泛地推广。
Certified reference material of rigid PVC for oxygen index was developed.
研制硬质聚氯乙烯(硬质pvc)氧指数标准物质。
The crack-resistance of hydraulic concrete material (crack-resistance index) and hydraulic concrete structure (safety factor of crack-resistance) are two different concepts, which can not be obscured.
水工混凝土材料抗裂性(抗裂指数)与水工混凝土结构抗裂性(抗裂安全系数)是两个不同的概念，不能混淆。
In general, the half width of X-ray diffraction is used as a strength index of material surface.
通常用X射线衍射线的半高宽作为材料表面的强度指标。
The material recirculation index is brought into this article to be used for reappraisal of the metal resource life.
本文提出了材料再生循环指标的概念，并利用材料再生循环指标对金属资源寿命重新进行评估。
The material recirculation index is brought into this article to be used for reappraisal of the metal reso.
本文提出了材料再生循环指标的概念，并利用材料再生循环指标对金属资源寿命重新进行评估。
A method of surveying the index of refraction of thin lens material with the help of images made by spherical reflection is given.
给出了一种利用透镜的球面反射像测量薄透镜的材料折射率的方法。
Its refractive index is higher than that of the traditional optical fiber material, silica, so silicon nitride has good optics confinement property.
其折射率比传统用作光纤的石英的折射率高，对光有较好的约束性能，因此在光波导方面可能会有更好的应用前景。
This paper introduced the choice of raw material, processing technology, operating rules and product quality index of local black melon seeds.
介绍了以黑瓜子为主料制作风味瓜子时原辅料的选择、生产工艺、操作要点和产品质量指标。
The effect of high silicon low iron material on softening temperature, balling index, quality and output of sintering ore was investigated.
分析了高硅低铁物料对铅锌矿软化温度、成球性指数、烧结矿质量与产量的影响。
The effect of high silicon low iron material on softening temperature, balling index, quality and output of sintering ore was investigated.
分析了高硅低铁物料对铅锌矿软化温度、成球性指数、烧结矿质量与产量的影响。
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