| 1. | Fine structure and bond strength of shrinkage reducing admixture modified repair interfacial layer between new and old concrete 减缩剂改性新老混凝土修补界面层的细观结构与粘结强度 |
| 2. | With the decrease of silicide content in interfacial layer , leakage property of hfo2 mos architecture was greatly improved 界面层里残余的硅化物的含量越低,薄膜的漏电性能就越好。 |
| 3. | The test results showed that two methods effectively improved both macrostructure and microstructure of interfacial layer , and therefore , significantly improved bond performance 研究结果表明,两个设想均能有效地改善新老混凝土粘结界面层的宏观与微细观结构,使力学性能显著提高。 |
| 4. | The fracture theory of interfacial layer is developed for engineering application of 3d braided c / sic composites . a curve with fracture mode mixity is depicted to predict the material toughness 发展了界面层断裂理论在三维编织c sic复合材料工程中的应用,初步建立了断裂混合度与断裂韧性的关系曲线。 |
| 5. | The co - effect of silane coupling agent , shrinkage reducing admixtureand fly ash on new - to - old concrete interfacial layer were primarily studied through a contradistinctive experimental study in this paper 摘要通过对比试验研究,初步探讨偶联剂、减缩剂和粉煤灰共同作用对新老混凝土界面层劈拉强度的影响。 |
| 6. | In order to suppress the formation of silicide interfacial layer , a zro2 thin film was deposited as a barrier layer between hfo2 and si . the samples with barrier layer exhibited better leakage and c - v character than the directly deposited ones 作为阻挡层抑制hf和a的互扩散反应,减小了界面层厚度,并提高了界面层的氧化效率,与无阻档层的样品相比电学性能得到了显著的提高。 |
| 7. | In the paper , how to simulate itr is introduced in details . and with the theory , the itr of ar - kr is simulated under the temperature of 40k . at last , the simulation curve reproduces the movement process of the thermal stream in interfacial layer visually and intuitively 本文详细的介绍了界面热阻的分子动力学仿真原理,并仿真获得了温度为40k时ar - kr的界面热阻,直观、形象的从微观的角度再现了该界面层的热流变化过程。 |
| 8. | Especially , in the filed of high tc superconductor , the technology that the cryocooler directly cool the superconducting system has changed the traditional cooling manner , which adopts the method of low tc fluid helium ' s convection and boiling to exchange the heat . it mainly depends on the cooling manner of conducting heat through the interfacial layer between the material of superconductor and non - superconductor ( such as cu , isolator , etc ) 特别是在高温超导领域中,由于制冷机直接冷却技术改变了传统的靠低温液氦对流、沸腾换热的冷却方式,主要依靠超导材料与非超导材料(如铜、电绝缘材料等)固体间的接触导热冷却方式,固体间界面热阻成为影响导热性能的关键因素之一。 |
| 9. | Based on above , the characteristics of hydration hardening process and microstructure of hsc as well as the interfacial layer between cement paste and coarse aggregate are investigated under low water cement ratio , high content superplasticiser and with one kind or more than one kind of mineral materials condition , the reaction mechanisms of different mineral materials are also discussed 研究了不同水胶比、复合缓凝成分高效减水剂及矿物掺合料的掺加方式、掺量对高强混凝土水泥浆体水化放热过程和水泥浆体的水化热、水化放热速率以及最高温升的影响规律。探明了高强混凝土中水泥浆体的水化硬化过程、矿物掺合料之间的相互作用机理。 |
| 10. | The result of macro - quality experiments show : mineral admixtures markedly slow the hydrating velocity of cement slurry , decrease and delay the hydrating max - temperature , in which steel slag is more effective ; expansive agents compensate concrete shrinkage , enhance the concrete dense degree , strengthen the interfacial layer between fiber and cement matrix and improve the physical mechanics qualities of acic ; minimal admixtures markedly improve the concrete workability property , increase the concrete later intensity & density and the capability of anti - chemical attack and anti - permeability ; hybrid fiber reinforces the toughness of obviously acic by the means of anti - cracking effect of fiber with different sizes and different properties in the corresponding construction levels 实验结果显示:钢渣掺合料能显著减缓水泥浆体水化速率,降低砂浆的水化温升并延迟最高温升时间;补偿混凝土收缩,提高混凝土密实度,加强纤维与水泥石的界面粘结,增强混凝土力学性能,但不能明显改善混凝土韧性。混杂纤维通过纤维的不同尺度与不同性质在相应的结构层次上产生阻裂效应,增韧钢渣防渗抗裂混凝土;增加混凝土的破坏极限能,极大提高混凝土抗弯曲能力和韧性指数,改善混凝土脆性。 |