Critical Thickness of Paraffin Deposition Research for the Waxy Crude Oil Pipeline 热含蜡原油管道临界石蜡沉积厚度研究
Critical thickness of an infinite slab 无限平板的临界厚度
Determination of Critical Thickness of Stiff Roof in Coal Mine Based on Thick Plate Theory Study on the Reasonable Overburden Depth for Subaqueous Rock Tunnel 基于厚板理论的水平煤层顶板临界厚度的分析岩石地层水底隧道合理覆盖层厚度研究
If the critical thickness of the hidden caves was estimated, then, the effective prevention measures and cure methods for researching the hidden caves could be gotten. 通过对路基暗穴的安全厚度的正确估算,为研究公路暗穴有效防治措施提供了可靠的依据。
In chapter five, the results of the experiments are analysed, we draw a conclusion that the thickness of ablator should try to reach the critical thickness. 第五章是实验结果和分析,最终得出了烧蚀层厚度应当尽量达到临界厚度的结论。
Formulas for critical thickness of cover and minimal anchorage length of GFRP bars under ordinary and erosive environment were developed. 推导出了一般环境、酸性、碱性和盐环境下适用的GFRP筋混凝土保护层厚度计算公式和最小锚固长度计算公式。
The critical thickness d_0 and the curves of the longitudinal critical current 临界厚度d0和纵场临界电流曲线
At last, the results of the theory, the numerical simulation and the experiments are summarized. It is concluded that the thickness of the ablator should try to reach the critical thickness. 最后,我们总结了理论、数值模拟和实验三方面的结果,提出了在不出现严重二维效应和卸载波效应的前提下,烧蚀层厚度应当达到临界厚度的设计原则。
Characteristics of SiGe strain layers are described, including the relation between critical thickness of SiGe strain layers and Ge composition, the narrowed energy band, the increased refractive index and the metastable state of SiGe strain layers. 介绍了应变SiGe层的特性,包括SiGe应变层临界厚度与Ge组分的关系,能带变窄,折射率增加以及应变SiGe层的亚稳态特性。
If the film reaches the critical thickness, it will correspond to stable paraelectric phase independent of stress effects, and a size-driven phase transition will occur. 在薄膜中施加大的压应力时,铁电相可存在于更薄的膜厚中,但当膜厚达到临界厚度后,薄膜始终处于顺电相,也即存在尺寸驱动相变。
The influence of the penetration depth of pile end into the bearing stratum on the ultimate bearing capcity of single pile is discussed and the tentative values of the critical depth and critical thickness of the bearing stratum are suggested too. 本文讨论了桩端进入持力层深度对单桩极限承载力的影响,提出了持力层的临界深度和临界厚度的参考数据。
Under the same condition of critical thickness of shield plane, the results obtained by the penetration and detonation experiments of different thickness of shield PBX and composition B show that it is disadvantageous for jet to initiation when the thickness of explosive is thin. 此外,在临界屏蔽板厚度相同条件下,对装药厚度不同的屏蔽PBX和B炸药进行了侵彻引爆实验,结果表明,药柱厚度变薄,不利于聚能射流引爆炸药。
By applying the board elastic-plastic theory, the critical thickness of concrete cover is derived. 根据板的弹塑性稳定等理论,推导出型钢的混凝土临界保护层厚度。
The critical thickness of GaP was discussed. 对GaP进行解卷处理的临界厚度做了详细的讨论。
To get the condition of critical initiation of shield PBX and composition B by jet, a penetration and detonation experiment is designed. The critical thickness of shield planes are obtained from penetrating and detonating of different thickness of shield PBX and composition B by jet. 为得到聚能射流引爆屏蔽PBX和B炸药的临界条件,采用某制式聚能装药对不同厚度屏蔽板屏蔽的PBX和B炸药进行了侵彻引爆实验,得到屏蔽炸药临界引爆的屏蔽板厚度;
Study on critical thickness of Subgrade in Permafrost Area 多年冻土地区路基临界高度研究
Critical thickness of AC overlay is determined by the heat conductivity of asphalt mixture. 沥青层的临界厚度仅与沥青混合料的导热能力有关。
The calculated formula of the critical thickness of SSeS junction is obtained by using Ginzburg-Landau equation. 采用GinzburgLandau方程研究了SSeS超导结的临界厚度问题.在一定的近似条件下,得到了该结临界厚度的计算公式。
By means of comprehensive and comparative analysis of various analytic methods, the analytic method has been deduced and established to compute hidden holes 'critical thickness. 利于各种解析方法综合对比分析,推导并确定了适于计算黄土暗穴临界厚度的解析方法。
Research work also indicates that shock initiation is main mechanism when barrier thickness is less than critical thickness and critical energy criterion could be applied. Two initiation mechanisms affect the process. 研究结果表明,当盖板小于临界厚度,冲击起爆机制是主控机制,可以用临界能量准则来描述;
Investigation on Relations between the Maximum Critical Thickness and the Metalloid Content in Amorphous Alloys of the Fe-Si-B System 非晶态Fe-Si-B系合金的临界厚度极大值与类金属成分关系的研究
As the electroplating pure copper layer on copper alloy exceeds a critical thickness, the surface electroplating treatment can improve the copper alloy's resistance against oxidation failure greatly. 当铜合金表面的电镀纯铜层厚度超过一个临界值,表面电镀纯铜处理可以明显改善材料的耐氧化剥离性。
When the liquid film thickness is equal to or less than this critical thickness, liquid film will rupture. 如果这一厚度小于或等于液膜破裂的临界厚度,聚并就发生,否则聚并不发生。
This paper gives the method to evaluate the critical thickness of the cross frame. 本论文给出了确定双层舷侧结构中的十字框架临界板厚的方法。
The film quality and electrical properties of the PZT films increase with the decreasing of film thickness in one annealing cycle. The critical thickness is increased, and better ferroelectric properties are obtained. 研究结果表明,降低薄膜单次退火厚度有利于提高PZT薄膜的成膜质量和电性能,主要表现在薄膜的临界厚度得到了显著提高,铁电性能得到了增强。
It is predicted that the long-range electrostatic screening by the incomplete charge compensation in the real electrodes and the surface field originated from the short-range coupling of the atoms at super-lattice/ electrode interface can significantly enhance the critical thickness where ferroelectric-paraelectric phase transition occurs. 理论预测,真实电极中由于电荷的不完全补偿导致的长程静电屏蔽和超晶格与电极交界面原子间的短程耦合作用产生的表面场能显著地提高铁电一顺电相变对应的临界厚度。
The critical thickness where the coercivity mechanism alters, could be derived analytically, which is found to be inversely proportional to the square root of the crystalline anisotropy of the hard phase. 我们可以解析地得到这个矫顽力机制发生变化时的临界厚度,并且发现它与硬磁相磁晶各项异性常数的平方根成反比。
And discussed some key issues in the self-assembled quantum dots such as the critical thickness, the density of the quantum dots, the effect of the In-Ga mutual mix and the principle of the Ostwald aging. 2. 对于自组织量子点中的关键问题如临界厚度、量子点的密度、In-Ga互混效应、Ostwald熟化等有了比较清晰的认识。
When the thickness of the associated insulator is equal to a critical thickness, the effective refractive index of the corresponding eigenmode keeps unchanged with the thickness of the other insulator. 当相应绝缘层厚度等于厚度临界值时,本征模式的有效折射率的实部不随着其他绝缘层厚度的变化而变化。