实验研究了铝膜厚度对衍射光栅闪耀效率的影响,给出了铝膜厚度系数的最佳范围。
It also represents the influences of aluminum film thickness on blazed efficiencies of the ruling diffraction gratings and provides proper ranges of the thickness factors.
文章阐述了控制衍射光栅铝膜厚度的重要性。提出了用厚度系数标定铝膜厚度的方法。
This paper describes the importance of controlling aluminum film thickness for ruling diffraction gratings and gives a method to mark the aluminum film thickness with thickness factor.
以轮缘厚度系数来描述内齿圈的柔性,以均布的弹簧约束来反映内齿圈与机体的配合情况。
The ratio of rim thickness to tooth height was defined for representing the flexibility of internal ring gear.
注入速率增加时,黄原胶溶液的残余阻力系数下降,衰竭层厚度降低,采收率变化不大。
The residual resistance factors and the depleted layer thickness of Xanthan solution decrease with injection speed increase, but recovery does not vary much.
在低雷诺数条件下,对于纯俯仰运动,随着翼型厚度的减小,平均阻力系数也变小。
For pure pitching motion, the results show that average drag coefficient decreases as airfoil thickness is reduced.
同涂层遮盖力相关的一个数值,以相同的涂层的厚度在黑色和白色背景下涂层反射系数的比值。
A value related to the hiding power of a coating. The ratio of reflectance of the coating over black and white backgrounds at equal film thickness.
暗穴临界安全厚度随着暗穴断面尺寸、暗穴半径收敛值、安全系数、地面荷载等参数的增大而增大。
The critical safety thickness of hidden cavity increases with the augment of hidden cavity section size, radial constringency, safety coefficient and surface loading.
介质和衬砌内动应力集中系数随孔径、衬砌厚度、波数变化而变化,且与衬砌性质有关。
Coefficients of dynamic stress concentration change with lining aperture, thickness of lining, wave number and type of lining.
为了克服传统泛音比法的这一弊端,提出了测定压电振子厚度振动机电耦合系数的高次泛音比法。
To overcome the shortcoming of the traditional overtone ratio method, a higher overtone ratio method to determine the thickness vibration electromechanical coupling factors was presented.
光吸收系数以及禁带宽度均随薄膜厚度的增加而下降。
Both the optical absorption coefficient and bandgap decrease with increasing in film thickness.
由于前缘涡的影响,翼型厚度增加,平均压差阻力系数变小,甚至会出现负值。
As airfoil thickness is increased, the average pressure drag, affected by leading edge vortex is reduced even to be negative, and meanwhile friction has little increase.
论文采用数值计算的方法分析了双层土壤结构时土壤反射系数、上层土壤厚度及地网面积大小等因素对地网最优布置的影响规律。
The influences of the reflective coefficient of the double layer soil, the top layer soil thickness and the grounding grid area on the optimum arrangement are analyzed numerically.
矽钢片表面光滑,平整和厚度均匀,制造铁芯的叠装系数提高。
Silicon steel sheet surface, formation and thickness uniformity, manufacturing core factor to increase the stack installed.
获取了薄膜的折射率和消光系数随波长的变化曲线以及薄膜的厚度。
The curves of refraction index and extinction coefficient with different wavelength and the thickness of films were obtained from transmission spectrum.
研究了它们的介电常数,热电系数,厚度伸缩振动机电耦合系数及其温度依赖性。
The dielectric constant, pyroelectric coefficient, thickness extension vibration electromechanical coupling factor and their temperature dependence are investigated.
同时,本文通过实测,修正了现行规范中用于计算沥青膜厚度的矿料表面积系数;
Through practical experiments, this paper correct the aggregate surface-area coefficient which is used to calculate asphalt membrane thickness in exiting specification.
对宽板弯曲变形过程进行分析,提出了弯曲过程中板坯外表面半径,板料厚度和变薄系数随板坯内表面半径变化的理论解,并与查表法和近似解作了比较。
By analyzing the wide sheet bending, the variations of theoretic radius values of outer surface, sheet thickness and thinned coefficient with radius of inner surface in bending were put forward.
栅栏组织厚、海绵组织厚与烟叶厚度均呈显著相关,相关系数分别为0 79和0 94。
The thickness of palisade and spongy tissues was significantly correlated with leaf thickness, and the correlation coefficients were 0.79 and 0.94, respectively.
还给出了表面摩擦力系数和边界层位移厚度的计算结果。
Results of calculated skin friction and displacement thickness are given.
LNO薄膜的红外吸收系数随其厚度的增加而增加,且随红外波长的增大而减小。
The infrared absorption coefficient of LNO thin films is increased with increase of its thickness, and reduced with increase of the infrared wavelength.
同时还研究了过渡层金属的种类、厚度及线膨胀系数对接合强度的影响。
The catalogue of transition-metals, thickness and the thermal expansion coefficient which influence the strength of the bonded places are studied as well.
定性分析了安全系数、地面荷载与临界安全厚度的关系;
The qualitative analysis on the relation of safety coefficient and ground loading with critical safety thickness is made.
卵巢发育、卵巢成熟系数和卵巢壁厚度随季节呈年周期变化。
The ovarian development, the coefficient of maturation in the ovary and the thickness of ovarian wall all showed annual changes.
等离子体厚度、入射波频率、电子数密度分布对功率反射系数的影响几乎与波的极化方向无关。
The effect of plasma thickness, wave frequency, electron number density distribution on it is almost independent of the wave polarizing direction.
并利用自行组装的测试设备研究了柔性石墨板密度、厚度以及空气压力差对相对透气系数的影响。
We also assemble a set of permeability testing equipment, by which we study on the effect of density, thickness and air pressure on the relative permeability.
研究还发现,不同的颗粒直径、不同的煤种以及不同的灰层厚度、煤的灰层扩散系数均不同。
It was found that the barrier diffusivity depends on the diameters of coal particles the kinds of coal and the thickness of ash.
压力改变结合水膜厚度,引起粘滞系数改变。
Due to the stress, the thick ness of bond water changed, then does the coefficient of viscosity.
含水层的导水系数、释水系数和弱透水层的渗透系数、厚度是影响井涌水量的两大重要因素。
The main factors affecting the well yield are the transmissivity and water yield coefficient of the aquifer as well as the permeability coefficient and thickness of the leaky layer.
对不同分频值下水刺绑定羽绒网的厚度、面密度、热流量和导热系数作了测量,并对其相互关系作了讨论。
The thickness, surface density, heat flux and heat conductivity of spunlaced binding down web were tested under different frequency values, and the relationships between them were also discussed.
作者通过研究地层厚度变化对地层本身的反射系数谱及反射波频谱的影响规律,寻找到了一种新的计算薄层厚度的方法。
By analyzing the reflectivity spectrum and reflection wave spectrum of thin beds, we put forward a new method for thickness determination of the thin beds.
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