• 课题的研究中,混凝土采用技术

    In the present research work, the "Bi-adding" (fly ash and admixture) technology is used to manufacture the concrete.

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  • 膨胀减缩使用减少膨胀混凝土干燥收缩落差有效措施。

    The double mix of expansion agent and shrinkage-reducing agent is an effective way to reduce the drying shrinkage fall of expansive concrete.

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  • 主持国家自然科学基金项目晶体散射起源研究”。

    Project Director, Research Project "Origin of light-induced scattering in lithium niobate doubly doped with Fe and Hf", National Natural Science Foundation.

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  • 采用防冻剂送剂方法可取科学合理方法采用防冻泵送剂。

    But the method of mixing anti freeze and pumping aid together into concrete is not advisable, and the scientific technology is using anti freezing pumping aid in concrete.

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  • 聚丙烯纤维氧化镁双掺技术应用面板混凝土防裂发挥明显的作用

    The application of the technology of adding both polyacrylic fiber and lightly sintered magnesia in concrete played a remarkable role in crack control of concrete facing slabs.

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  • 研究粉煤灰矿渣复合双掺水泥砂浆强度以及模拟酸雨侵蚀性能的影响

    This paper concentrates on the influence of the mixture of fly ash and slag powder on cement mortar strength and resistance to simulating acid rain.

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  • 利用高性能混凝土优化设计方法以及活性和料双掺技术配置C40自密实高性能混凝土。

    This paper has collocated the C40 self-compacting high performance concrete by using the optimization designing technique and the active constituent double-mixing technique.

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  • 实验模拟结果实际情况接近双掺高性能混凝土侵蚀条件应用提供理论实践依据。

    The simulation results are near to natural ones, and provide the theories and practice basis for the application of HPC under chloride induced corrosion circumstance.

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  • 研究转炉钢渣不同粒度尾渣钢尾渣活性,转炉钢渣尾渣粉和高炉矿渣双掺粉的活性。

    Studied the BOF slag tailings with different particle size of steel slag powder and steel tail blocks the activity of BOF slag powder and blast furnace slag tailings double-doped powder activity.

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  • 前言:研究利用粉煤灰高效水剂技术,进行了公路混凝土路面修复技术研究;

    Using "double mixed" technology of decarburized fly ash and highly effect early strength water reducer, the renovation technologies of highway concrete pavement were studied.

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  • 采用红光单、双掺铌酸锂晶体中全息光栅固定效率光擦除存储寿命的特性进行了深入的实验研究

    In this paper, the factors of affecting thermal fixing efficiency, and lifetimes of fixed gratings under both illumination and dark conditions are analyzed theoretically.

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  • 本文以C 30分析粉煤灰混凝土普通混凝土耐久性指数论证了粉煤灰双掺混凝土工程应用可行性

    Taking C30 concrete for example, analysis the durability index of common concrete and co-dope concrete, and proved the engineering application feasibility of fly ash for co-dope concrete.

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  • 系统测试了单聚丙烯纤维、单膨胀双掺聚丙烯纤维与膨胀剂对混凝土空心砌块抗渗性能和湿胀影响规律。

    The influence of shrinkage-reducing agent, polypropylene fiber and expansion agent on strength and dry shrinkage of the concrete were systematically tested.

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  • 矿物合料加入明显降低水化、水化放热速率推迟达到最高温度的时间,尤其是、三时降低效果更为显著。

    Mineral blend can markedly reduce the hydration heat and the hydration exothermic rate, and postpone the arrival time of the highest temperature, particularly the double adding and tri adding.

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  • 利用正交实验分析活化煤矸石粉煤灰制备复合水泥力学性能,对双掺活化煤矸石与粉煤灰超叠复合效应进行了探讨

    By orthogonal design experiment, studied the mechanics properties of the composite cement produced by activated coal gangue and fly ash, and discussed the compound superposition domino effect.

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  • 本文研究粉煤灰矿渣微双掺等量取代水泥干粉砂浆工作性能力学性能的影响,并对作用机理进行了分析。

    The effect of flying ash and slag powder on the work and mechanics performance of dry-mixed mortar was studied in the paper.

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  • 试验结果表明粉煤灰会降低再生骨料混凝土弹性量,粉煤灰矿渣双掺对弹性模量影响随两者组合比例不同显著差异。

    The experiment results show that that the elastic modulus is reduced when fly ash only was added to RAC and present a significant difference with the rate of fly ash and slag content.

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  • 本文简述高效水剂粉煤灰双掺技术混凝土施工技术中的特点,说明了粉煤灰和高效减水剂双掺技术在砼水泥制品生产中的生产工艺要求。

    The paper has discussed the characteristic of MIGHTY reducing agent and Fly ash used in cement construction, and the process technology in producing of cement product.

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  • 报道了光纤观测吸收增加非线性光学稳运转

    The observation of increasing absorption nonlinearity and bistability without cavity in er doped fiber is reported.

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  • 提出一种基于反馈参数调制控制超混沌同步方法应用光纤激光器系统

    A method of feedback modulating-parameter is presented to synchronize hyperchaotic systems, and is applied to the hyperchaotic erbium-doped fiber dual-ring laser systems.

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  • 本文着重研究光纤激光器混沌控制同步同时铒光纤激光器的混沌同步保密通讯中的应用初步研究

    In the dissertation, we mainly investigate the control and synchronization of chaos in erbium-doped fiber laser. Simultaneously, we do a pilot study for its application in secure communication.

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  • 本文钨酸晶体原料处理生长工艺及晶体结构性能缺陷进行了研究分析

    This article analyzes and studies the raw material handling, growth technology, crystal structure, character and defect of the ytterbium doped natrium yttrium tungstate laser crystal.

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  • 由于优缺点不同,近几年研究发现施主施受主共能够很好的改善材料性能

    For every dopant has its advantages and disadvantages, results of recent studies show that double-donor doping and donor-acceptor codoping can improve the performance of the material remarkably.

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  • 利用玻璃激光器单个微微秒激光脉冲研究了激光玻璃中钕离子非线性光子吸收

    The nonlinear two-photon absorption of Nd ions in Nd-doped laser glasses was studied with single picosecond laser pulses from a mode-locked Nd glass laser.

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  • 构建了光纤环形激光器实验系统

    The experimental system with two Er-doped fiber ring lasers is constructed.

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  • 系统性能测试表明激光控制光纤放大器稳定性方面比单激光有着明显优势

    The system performance testing shows that the more stable characteristic of dual-laser controlled erbium-doped fiber amplifier is an obvious advantage over the single-laser controlling.

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  • 飞秒激光有机无机杂化材料光子聚合工艺研究

    Researches on the two-photon photopolymerization technology of a Zr-based inorganic-organic hybrid material have been processed.

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  • 通过数值模拟研究了端泵浦高功率光纤激光器输出特性

    The output characteristics of two-end-pumped Yb 3 -doped double clad fiber lasers are studied by numerical simulation.

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  • 分析L波段放大自发辐射(ase)产生原理基础设计一种新颖结构光纤ase宽带光源,该光源可两个端口分别输出高功率的C波段L波段的ASE

    A novel two-stage Er-doped ase broadband light source with two output bands, i. e. C-band and L-band was designed and demonstrated based on the analysis of the principle of the L-band ase spectrum.

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  • 分析L波段放大自发辐射(ase)产生原理基础设计一种新颖结构光纤ase宽带光源,该光源可两个端口分别输出高功率的C波段L波段的ASE

    A novel two-stage Er-doped ase broadband light source with two output bands, i. e. C-band and L-band was designed and demonstrated based on the analysis of the principle of the L-band ase spectrum.

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