研究了聚丙烯纤维和微膨胀复合对混凝土抗折强度、抗渗性和收缩变形的影响。
The influence of compounding polypropylene fiber and expansion on flexure strength, impermeability and the shrinkage deformation is studied.
探讨了影响注射成型厚壁塑料制品收缩变形的一些因素,提出了对实际生产有指导作用的建议。
Several factors affecting on contraction deformation of thick section injection moulding articles were investigated. Some practical proposals were given.
本文从纤维缠绕张力、树脂收缩、热应力、芯模等方面探讨了对纤维缠绕复合材料制品收缩变形的影响。
The effect on shrinkage deformation of fibre winding composites were considered by discussing the winding tensile resin thermo-shrinkage stress and the mandrels.
全文通过对玻璃钢制品收缩变形的原因分析,并采取相应的措施与简单计算,提出了克服收缩变形的初步意见,从而把这种变形控制在最低限度之内,提高了玻璃钢制品的质量。
This paper gives an analysis of the shrinkage of FRP products and a simple calculation, some ideas of controlling within a lowest limit and improving the quality of FRP products are also proposed.
在薄板焊接中,由于局部加热和迅速冷却产生了沿焊缝方向的焊接收缩应力,而导致焊接薄板发生屈曲变形。
Localized heating from the welding process and subsequent rapid cooling induces welding shrinkage stresses along weld bead during welding thin-wall plate and causes structural buckling distortions.
主要是明显的尺寸效应和凝固、收缩、应力等问题,避免或减少铸铁井盖的成分偏析、变形、开裂等缺陷的产生。
Is mainly the size effect and solidification, shrinkage, stress and other issues clearly, to avoid or reduce the segregation, iron manhole cover deformation and crack defects.
这些模型的实验结果表明,基底收缩对挤压构造变形特征具有重要的影响。
The results of these models indicate that substrate contraction has important influence on the deformational characteristics of compressional structures.
暗夜精灵开始变形,他伸展的胳膊变成黑亮美丽的翅膀,他的躯干收缩变成飞鸟的胸脯,最后他的脸和腿都变形了。
The Night Elf began to shift form. His outstretched arms formed beautiful ebony wings, his torso shrank, forming an avian chest. His face and legs took final shape.
计算出薄板坯在结晶器内温度场分布和变形,在此基础上得到了坯壳生长、收缩的规律。
The temperature flied distribution and deformation in the mould of thin slab were calculated, moreover, the regularity of shell growth and shrinkage was obtained.
也不要用开水烫洗,因为化纤耐热性差,超过它的耐热温度,衣物就会收缩变形,甚至起皱。
Also do not use boiled water scald because chemical fibber hear resistance is poor exceed its heat-resisting temperature clothings is out of shape with respect to meeting systole corrugate even.
收缩变形可用温度应力的概念换算为当量温差。
The shrinkage movement can be transformed temperate difference at equivalence relation.
利用该程序分析混凝土收缩徐变对结构变形和内力的影响。
Structure deflection and inner force are analyzed by using the program for concrete shrinkage and creep.
气冷的方法,可以使试样散热更快,达到控制温度的目的,同时也可以减小焊接残余应力和焊接横向收缩变形。
Wind cooling accelerated elimination of heat dissipation, and controlled temperature which made welding transverse contraction deformation and the residual stresses decrease.
本文针对体外预应力混凝土简支梁的受力、变形特点,提出了计算体外预应力结构中收缩徐变产生的预应力损失的基本方法。
The paper provided with a method to calculate the pre-stress loss caused with systolic stress in the outside of pre-stress force.
它具有制作快捷(客户可即定即做、立等、可取)印迹清晰不扩散,印面不收缩、 不变形的特点。
It has many advantages, such as high working speed, seal impression is clear and no diffusing, seal surface will not shrink or deform.
棉纱拖把头还有个很大的优点就是产品的低收缩性,产品的低收缩性能保证棉纱拖把头在长时间使用后,还能不变形。
Cotton mop head also a big advantage is the product of low shrinkage, low shrink performance guarantee products Cotton yarn mop head after use in a long time, but also no distortion.
在对某大型水电站焊接收缩变形测量中,该方法得到了很好的应用。
During the measurement of welding contraction distortion for stator in a large hydropower station, the method is used well.
横向收缩变形:构件焊后在垂直焊缝方向上发生的收缩。
Transverse/cross/lateral contraction deformation:The component contracts in the upright direction of weld after weiding.
如要这时大开门窗,让刚铺贴好的壁纸吹“穿堂风”,壁纸会因为迅速失水而发生收缩变形现象。
To open the doors and Windows that let just Putie good wallpaper blowing "Chuantangfeng" wallpaper will occur because of the rapid dehydration and shrinkage deformation phenomenon.
其次,木材的处理方式采用自然烘干和干燥炉烘干法,除去木头间的空隙并将纹路间的空隙适度收缩以避免卷曲变形。
Secondly, the treatment of wood with natural drying and drying furnace drying, remove the gap between wood and veins shrink the gap between moderate to avoid crimping deformation.
本文分析了注塑成型过程中简单收缩、冷却、分子取向等因素对注塑件变形的影响。
This paper discusses the three factors that affect the deformation of injection molded parts:simple nonuniform shrinkage, part cooling and molecular orientation.
随着钛在多单位固定桥中应用的增多,需要一种方法将一个修复体中的两个或多个单位连接起来,以减少铸造过程中产生的收缩和变形。
The increasing use of Ti for multiple-unit fixed prosthesis require a method to join two and more unites in a restorative prosthesis to reduce the contraction and distortion in casting process.
给出了水火弯板变形中的面内扭曲、沿板宽方向变化的横向收缩及沿板长方向变化的纵向收缩的描述函数。
The in-plane distortion, transverse shrinkage varying along width direction and longitudinal shrinkage varying along length direction of the plate bended by line heating was proposed.
介绍了变形预补偿的原理,以汽车风扇为例,成功地降低了汽车风扇的收缩变形和翘曲变形,为解决制品变形问题提供了一条新的思路。
The principle of precompensation for deformation was presented, which was applied to the shaping of an automobile fan and effectively helped lower the shrinkage deformation and warpage of the product.
提出了密封试样细管排液的体积变形测定方法,该方法可测定水泥石自初凝起的收缩。
A new method of volumetric deformation measurement is proposed, which can measure the shrinkage of cement paste from initial setting.
本文主要对变形裂缝的成因及控制措施作了分析和总结,其中包括混凝土收缩和温度变化引起的裂缝,以及地基不均匀沉降引起的裂缝等。
This paper is an analysis and summary about the causes of distortion cracks, including those caused by contraction of concrete and variation of temperature, and uneven settlement of foundation.
研究高层钢筋混凝土建筑考虑建造过程的收缩徐变变形的结构分析理论及方法。
The structural analysis theory and method of reinforced concrete tall buildings in view of construction procedures and creep deformation of shrinkage were investigated.
温度变形和自生收缩变形等受约束形成的拉应力,是引起混凝土早期开裂的主要驱动力;
The tensile stress induced by restrained thermal and autogenous shrinkage deformations was the main driving force of cracking in concrete at early age.
目的探讨老化红细胞变形能力与红细胞膜磷脂成分和收缩蛋白(SP)含量的关系。
Objective To explore the the relationship between senescent erythrocyte deformability and lipid composition, spectrin content (sp) of erythrocyte membrane.
目的探讨老化红细胞变形能力与红细胞膜磷脂成分和收缩蛋白(SP)含量的关系。
Objective To explore the the relationship between senescent erythrocyte deformability and lipid composition, spectrin content (sp) of erythrocyte membrane.
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