挺度

对象牙白C.怎样提高白纸板的挺度

How to increase the stiffness of white paperboard

基于MSP430的纸张挺度测试仪的设计

The Design of Paper Stiffness Testing Apparatus Based On MSP430

对于单位宽度的均质纸板，挺度随弹性模数E和厚度立方乘积的增加而增加。

For a unit width of a homogeneous paper board , the stiffness increases with the product of Young 's modulus E and the cube of the caliper .

水溶性PVA纤维可作为纸张增强剂及花色纤维应用于纸浆纤维中，成纸有较好的强度，挺度及均匀性，可用于防伪、高档包装等用途。

Water-soluble PVA fiber can be used in pulp as a pulp enhancer and fashion , leading to the paper product of better strength 、 stiffness and uniformity . This kind of paper can be used to prevent oil , and to make high-grade packaging , etc.

同时，适宜的等规指数（96.5%～97.5%）及其等规序列分布特性，使采用均聚型烟用包装膜专用树脂加工成型的BOPP薄膜具有挺度高，满足烟用包装膜的特性要求。

The speciality resin having the proper isotactic degree ( 96.5 % - 97.5 % ) and the feature of isotactic sequence distribution endows the BOPP film with high stiffness , which satisfies the requirement in performance of cigarette packing film .

而纸页光泽度、油墨吸收性及挺度能维持在质量标准要求的范围之内。

The gloss , ink absorbency and stiffness could meet the standard requirements .

刚挺度佳、适用于自动标签。

Good stiffness , very suitable applying in auto-labeling .

为了提高电弧挺度，焊接主电流采用脉冲电流。

Main current pulse is used in order to improve stiffness of welding arc .

挺度：挺度是衡量纸和纸板耐弯曲的强度性能。

Stiffness : It is a measure of the bending strength of paper and board .

克拉克挺度法测定纸的挺度测定法

Paper-determination of stiffness by clark stiffness tester

白板纸挺度的研究

Study on the Stiffness of Paper Board

静电复印纸应具有高白度、高挺度、纸面细腻和良好的表面强度等要求。

Electrostatic duplicating paper is required to show high whiteness , high stiffness and good surface strength .

实现了对熔池大小、弧的挺度以及边熔的控制。

In this way , the control of puddle , the stiffness of arc and edge puddle are improved .

微波干燥较普通干燥方式增加了涂布纸板的耐折度，对挺度、环压强度影响不大。

The folding strength is increased , the stiffness and ring crush strength of the board are not much influenced .

电弧挺度好，热量集中，填丝容易，特别适宜自行车等行业的填丝焊接。

Stiff arc , with heat concentrated , easy to fill welding wire , so especially suitable for wire filling welding in bicycle area .

同时通过调节脉冲上升和下降斜率，实现脉冲焊接电弧挺度硬软规范的调节。

At the same time , by regulating the slope of the pulse rising and falling , we can achieve to adjust the arc stiffness from hard norm to soft norm .

理论研究表明，原材料的挺度、环压强度以及盒型结构和结构参数是影响纸盒抗压强度的主要因素。

The theoretical study indicates , the stiffness and ring crush compression resistance of the original materials , structure and structure parameter are the main factors that influence the compression strength .

要求原纸板有较高的挺度、较低的纵横强度比、均匀的表面密度、较高的表面平整度、良好的施胶以获得较高的抗水性能。

The base paper board should have a higher stiffness , lower MD / CD strength ratio , uniform surface density , higher surface flatness and desirable sizing for higher water resistance capacity .

随着半纤维素酶用量的增加，滤水速度、抗张指数和环压指数都逐渐下降，但是挺度的增加要优于两种酶混合使用。

With the increase of hemicellulase dosage , the drainage speed , tensile index and ring crush index decrease whereas the increase of deflexion is greater than that with the mixture of hemicellulase and amylase .

结果表明，加入疏水性的共聚单体或乳化剂均可以有效地提高乳液成膜和经乳液浸渍滤纸的耐水性、强度和挺度。

The results show that using hydrophobic co-polymer monomer and the impregnated emulsifier can effectively improve the film forming property of the emulsion and water resistance , strength and stiffness of the impregnated filter paper .

试验结果表明：激光作用于等离子弧后，等离子弧柱的直径变小，挺度增加，稳定性增强，起弧容易，熔积层的熔深增大，熔宽减小。

The result shows that the diameter of plasma arc beam becomes smaller , the stiffness and the stability increase and arc starting is easier , the pool depth of the deposition layer increases and the pool width decreases after laser acts on plasma arc .

液压挺柱刚度值与阻尼值变化规律的测定及分析

Regular Pattern of Hydraulic Tappet Stiffness Value and Damping Value Measurement and Analysis

在已知液压挺柱刚度值和阻尼值的基础上，通过模型受力分析，编程计算出了液压挺柱配气机构的动态响应。

On the base of the known stiffness valve and damping value of hydraulic tappet , the dynamic state responds of hydraulic tappet valve train are calculated by means of force analysis of the model .