您要查找的是不是:
- In this paper, the anlysis is presented to study the impermeability and crack resistance of basement concrete wall. 本文尝试聚丙烯纤维砼应用于地下室砼墙抗裂防水。
- Strength and crack resistance capability of concrete will be improved after being reinforced by chopped basalt continuous fiber. 在混凝土中掺加乱向短切玄武岩纤维后,其强度及抗裂性能均会得到改善。
- Curing and constructing for cement-stabilized macadam under the condition of lower temperature is benefit to improve its crack resistance. 低温条件下养生、施工有利于改善水泥稳定碎石基层材料的抗裂性能。
- In order to analyze the crack reason, static load experiments were made on three prefabricated piles to examine the crack resistance of the piles. 为分析产生裂缝原因,通过静荷载试验的方法检验桩身的抗裂性能;
- The research proves that post tensioned prestressed concrete hollow slab own fine deformation behavior and crack resistance. 本文研究表明:后张预应力混凝土空心板具有良好的变形性能和抗裂性能。
- Abstract: Objective To study the resistance effect of traditional Chinese medicine mixture to the damage of chromosome caused by Bleomycin (BLM) mutagen. 文章摘要: 目的:探讨人参、五加皮、甘草及猪苓4味中药合剂对诱变剂导致染色体损伤的拮抗作用。
- Resistance auras do not stack with other resistance effects. 正直圣印疾与其他抵抗效果并不会堆叠。
- The crack morphology of hardfacing metal was investigated by means of optical and scanning electron microscopy.The effect of RE oxide on cracking resistance of hardfacing metal was studied. 采用金相和电镜等手段对堆焊裂纹形貌进行了观察,并研究了稀土氧化物对堆焊金属抗开裂性能及塑、韧性的影响。
- Relationship between yield strength and near-neutral pH stress corrosion cracking resistance of pipeline steels-an effect of microstructure. 管道钢的屈服强度和抗近中性pH应力腐蚀开裂间的关系-显微结构的影响。
- And theresearch has shown that the gas has little effect on pressure drop.In thehorizontal pipeline, the resistance effect must be overmatched the accelerationeffect. 为探讨加入的气体对管道压力的影响,本文基于分相流和均相流两种模型分别推导了三相流管道的压降公式,表明无论是分相流模型,还是均匀流模型,管道内流体总的压降是由三项组成的,即摩擦项、加速项和重力项,并得出了加气对管压变化不大的结论,所以认为在水平管道中,要获得有效的减阻,则要使摩擦阻力分量的减小效应大于浆体加气的加速效应。
- The safety and the crack resistance of the anchorage zone which exists due to the usage of large tonnage anchorage device, are the critical part of the structural design. 对采用大吨位特殊锚具的桥梁结构来说,锚固区的安全性和抗裂性是结构设计的关键部分,但现行规范还没有给出一种既精确又简易的验算方法。
- The study shows that the self-compacting high performance concrete members have high denseness, fine appearance without honeycomb and scale, better crack resistance and ductility. 研究表明,该方法成型的自密实高性能混凝土构件无蜂窝麻面、密实性好,具有更优越的抗裂性能和延性,构件和实梁的受弯、剪性能均与振捣成型的混凝土构件相近;
- It can meet the food directly.Innocuity, insipidity, no volatiles, high temperature resistance, crack resistance contribute to its perfect waterproof effection. 可直接与食品接触,无毒、无味、无挥发物、耐高温、难裂解,达到高度防水的效果。
- Based on code for design of concrete structures in China, calculate method on crack resistance and loading capability of corbel is studied, and illustrated with one example. 结合混凝土结构设计规范,对牛腿的抗裂度及承载能力的计算进行了探讨,并通过算例进行了说明。
- In this paper, crack resistance of high strength concrete (HSC) was improved by adding mineral admixtures including ground slag (GSL), silica fume (SF) and fly ash (FA). 采用外掺矿物掺合料磨细矿渣、硅粉和粉煤灰的方法来研究它们对提高高强混凝土抗裂性能的作用,并分析了相应的作用机理。
- High performance concrete should have not only high strength,but also excellent durability,relatively high crack resistance and relatively high volumetric stability,etc. 高性能混凝土不仅只是具有较高的强度,而且还应具有良好的耐久性,较高的抗热裂性能以及较高的尺寸稳定性等。
- Research on HT250 gray iron flame welding with multi-alloying cast iron torch welding rods.Hardness, crack resistance and machinability of the welded joint is tested and analyzed. 采用多元微合金化铸铁同质气焊丝对HT250铸铁板材进行了气焊研究,测试和分析了焊接接头的硬度、抗裂性和机械加工性能。
- The spindle electrode head of EDM completing working and retracting,until entirely leaving the cutting fluid,will obtain the resistant effect of liquid. 电火花成形机主轴电极头在回退、直至完全离开工作液的过程中,会受到工作液对其表面产生的阻力作用。
- The numerical example demonstrates that the displacements are augmented with the introduction of vertical force on pile head, namely, the resisting effect of the soil is reduced. 实例计算表明,动力荷载下,桩顶竖向力的引入将增大桩顶的变位幅值,减低土的阻抗作用;
- The doctor thinks right amount take vitaminic E to be able to resist effectively anile. 医生认为适量服用维他命E能有效抵御衰老。