Tensile strength and stiffness increase as skin thickness ratio increases.

Optimal layer thickness ratio for optimization of ceramic laminates

强界面陶瓷层状复合材料优化设计的最佳层厚比探讨

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Two questions in height thickness ratio calculating

高厚比验算的两个问题

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The design variables were linked with dimensionless design variables, so a design variable can control many elements with different thickness and the application range was extended.

采用无量纲设计变量实现变量连接，一个设计变量可以控制多个不同厚度的单元，扩大了程序的适用范围。

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A brief introduction is made to the testing methods of dry and wet film thickness, and service range thereof.

简要介绍了干膜和湿膜的测定方法和使用范围。

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On the basis of varied-direction seismic data ( including 3-D seismic data) from the downthrown side of the southern ZH fracture, an anomaly volume with large thickness and wide range, which is different from the surrounding seismic facies has been found on the Paleogene strata.

本文依据ZH地区A－2构造南断裂下降盘多个方向的地震资料（包括三维地震资料），发现在下第三系地层里存在一个厚度大，范围广，与周围地震相截然不同的异常体。

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Samples having Cu barrier thickness in the range from 5 to 500 nm show Jc values about a factor of 40 higher for the current parallel to the long axis of the filaments than for the current perpendicular to the long axis.

对Cu层厚度为5到500nm的样品，当电流平行于细丝的长轴方向时、其临界电流约为电流垂直于细丝长轴方向时的40倍。

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Then it is printed onto a high-alumina ceramics substrate by silk screen print method. A superconducting wire of thickness in the range of 20~ 30 μ m, and zero resistance temperature 82 K, was successfully obtained.

用丝网印刷-烧结工艺，在高铝陶瓷基板上制得了厚约20～30μm，零电阻温度82K的厚膜超导电带。

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Al 2O 3+ SiO 2+ Fe 2O 3 is generally 80% ￣ 82%. The formation of bauxite is apparently controlled by the karst paleo topography. The thickness has big range.

总体上讲，化学成分比较稳定，（Al2O3＋SiO2＋Fe2O3）一般为80%～82%，铝土矿的形成明显受岩溶古地形的控制，矿体厚度变化很大。

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The Upper Paleozoic Carboniferous-Permian source rocks are mainly coal measure strata, with thickness in the range of 150~ 500m, low to medium organic matter abundance, and type ⅲ kerogen.

上古生界石炭&二叠系烃源岩主要为煤系地层，厚度为150~500m，有机质丰度属于低-中等，有机质类型为Ⅲ型。

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When the similar plane wave propagation mode is used to measure, the variation of wall thickness in certain range have small influence to measurement results.

利用准平面波模式进行测量时，壁厚在一定范围内对测量结果影响并不很大。

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In the test, the measured flame thickness and the range of variation are both larger than that calculated by static flame model.

在本实验条件下所测得的实际火焰厚度较厚，而且变化范围较大，其厚度比按传统的静态火焰模型计算出的结果大得多。

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A method to detect surface roughness by reflected interference pattern of transparent ( or semitransparent) film is introduced, whose thickness testing range is from 0 2 micron to less than 20 micron.

介绍了用反射干涉频谱法测量透明或半透明薄膜表面平整度的方法，薄膜厚度的测量范围约在02～20μm（小于20μm）之间。

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Middle-frequency melting, deformed process and final heat-treatment were used to prepare Pd-Ba alloy foil with thickness in range of 0.1~ 0.2 mm.

经过中频炉熔炼，压力加工以及热处理，制备了厚度尺寸范围0.10~0.20mm的Pd-Ba合金箔材。

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The results show that in the initial stage of micro-arc oxidation the obtained ceramic coating is compact and nearly no microflaw can be observed, the microflaws like holes begin to appear in the exterior and finally irregular holes fill with 90% of the thickness range.

结果表明：微弧氧化初期，陶瓷层致密，几乎观察不到显微缺陷，随着处理时间的延长及陶瓷层的增厚，其外侧开始出现孔洞类缺陷，直至90%厚度范围布满相互交错的不规则孔洞；

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Results Clear transrectal sonograms of the bladder neck from were obtained from all the cases. Typical sonogram features of bladder neck obstruction were anterior or posterior labium thickened, and projected into the bladder, the thickness range from 4 to 10 mm.

结果所有受检者经直肠超声均可获得膀胱颈连续清晰的图像，女性膀胱颈梗阻超声表现为膀胱颈前唇和（或）后唇增厚突入膀胱，厚度范围4~10mm；

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The results show an apparent decay in the Hugoniot elastic limit with increasing propagation distance, as well as a stress relaxation behind the elastic wave front, and nearly 44% loss of Hugoniot elastic limit was observed in the present sample thickness range.

实验结果显示：Hugoniot弹性极限随着传播距离呈指数衰减，在所研究的样品厚度范围内，Hugoniot弹性极限减小了44%；

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Creep tests of free-standing aluminum thin film with thickness range 7~ 500 μ m were carried out at high temperature and constant load. The relationship between the creep rate and the thickness and grain size was studied.

进行了7～500μm厚度的自由无束缚铝合金薄膜在高温和恒载荷下的蠕变实验，研究了高温蠕变速率与薄膜厚度和晶粒大小的关系。

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The use of fractal theory analysis of the roadway surrounding rock fissures inherent law of development, summed up loose ring thickness range for the roadway to provide reliable parameters for the stability and basis.

运用分形理论分析研究了巷道围岩裂隙发展的内在规律，总结出松动圈的厚度范围，为巷道支护稳定提供可靠的参数和依据。

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The local structures of Pt thin films grown by molecular beam epitaxy with the thickness range from 3 to 105 nm have been studied by the grazing incidence fluorescence XAFS technique.

利用荧光X射线吸收精细结构（XAFS）技术研究了厚度为3&105nm范围的分子束外延生长的Pt金属薄膜的局域结构。

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In a certain thickness range ( about 70-220nm), coefficient of thermal expansion ( CTE) of the composites decreases gradually with increasing of PyC interphase thickness.

在一定厚度范围（约70～220nm）内，材料的热膨胀系数随热解碳厚度的增加而逐渐降低；

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