1) surface force density
面力密度
1.
The force method,which is introduced the concept of surface force density of membrane element,is used to find the form of tensility strcutres.
考虑膜单元的面力密度的力法找形方法,通过调整面力密度能够获得不同形状的曲面。
2) areal density
面密度
1.
Through impact tests, the mechanics and the influence of areal density on penetration and anti-bullet properties of different fabric structures have been studied.
优化了芳纶无纬布的制备工艺,根据弹丸对芳纶无纬布层压板的冲击试验结果,对芳纶无纬布层压板的抗弹机理以及不同芳纶织物结构的抗弹性能进行了研究,同时研究了面密度对无纬布抗弹性能的影响。
2.
The fluence of areal density and needle-punch density on insulating ability and peeling strength were investigated by experiments in this paper.
通过实验研究了面密度和针刺密度对保温性能和剥离强力的影响。
3.
According to Lawson Criterion, only for the areal density <ρR> greater than 0.
根据Lawson判据,燃料面密度<ρR>必须大于0。
3) interfacial density
界面密度
1.
With a simple coarse-grained model,the properties of sodium dodecylbenzene sulphonate (SDBS) adsorbed at the water/oil interface,has been investigated on a mesoscopic level by considering the variation of interfacial density using dissipative particle dynamics (DPD) simulation.
采用耗散颗粒动力学(DPD)方法在介观层次上模拟了表面活性剂烷基苯磺酸盐在油/水界面的排布行为,考察了分子结构、浓度、盐度、油相等因素对表面活性剂界面密度和界面效率的影响,并探讨了利用表面活性剂复配协同效应提高界面活性的理论机制。
4) surface density
面密度
1.
By using the frequency analysis methods such as polarizing microscope and SEM,the occurrence,features,surface density,planar distribution rules and the contribution to permeability of the micro-fractures are analyzed.
用偏光显微镜、扫描电镜等分析测试手段,对微裂缝的产状、特征、面密度、平面分布规律及其对渗透率的贡献率进行了探索性的研究,指出微裂缝受到沉积、成岩、构造侧向挤压、矿物成分、结构构造、下伏地层隐伏断裂等多重因素的控制,展布方向呈北东向分布,其面密度越高,对渗透率贡献越大。
2.
Effects of different conductive treatments on the performances of continuous nickel foam were studied by deposit thickness ratios(DTRs),tensile strength,elongation,and surface density distribution,such as improving conductive colloid,magnetron sputtering nickel,and electroless nickel conduction,etc.
通过测定抗拉强度、延伸率、厚度分布系数和面密度分布等参数,对比研究了改进的浸涂导电胶、磁控溅射镍和化学镀镍等不同导电化方法对连续泡沫镍的性能的影响。
3.
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.
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。
5) profile density
剖面密度
1.
Timber of Yunnan pine from plantation was treated with hot pressing,water boiling and steaming,the profile density of treated timber was determined.
采用热压、水煮和汽蒸对云南松人工林的云南松材进行了处理,对经处理的云南松材剖面密度进行了测定。
6) area density
面密度
1.
The properties of PE/PET bi-component spunbonded nonwovens with various area density in certain processes were tested and analyzed.
对在一定工艺条件下生产的不同面密度的纺粘法双组分PE/PET非织造布试样进行了性能测试,得出了断裂强力、均匀性和耐静水压随面密度增大而提高,而柔软度随面密度增大而降低的相关关系。
2.
The influence of the factors,including the area density,the impact velocity of the fragment and the impact model,on the ballistic performance was studied.
提出了一种基于神经网络的弹道试验数据处理方法,建立了UHMWPE纤维复合材料防弹性能分析的BP神经网络模型,并基于模型研究靶板的面密度、弹片的入射速度、冲击方式等因素对材料防弹性能的影响。
3.
The behavior of backscattering of light from nonwoven fabric is mainly dependent upon the physical properties of fibers, the fiber orientation distribution and the area density of nonwoven fabric.
非织造布的光后向散射性质主要取决于纤维的物理性质、非织造布中纤维的取向分布以及非织造布面密度。
补充资料：密度分辨力
密度分辨力
影像学术语。图像中可辨认的光学密度差别的最小极限，即影像中细微密度差别的分辨能力。又称对比分辨力。以X线为成像能源的成像方式中，密度分辨力与每一像素接受的光子数量成正比。若以相同数量的光子入射到两个面积相同、矩阵大小不一的靶区时，则矩阵越大，每一像素接受的光子数目越少，图像的密度分辨力越低。模拟成像方式(如平片)的单位面积内像素的数目远多于数字成像方式者(如CT、MRI、DSA等)，故模拟成像方式的影像密度分辨力远不及数字成像方式者。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条