RRA的例句大全

With retrogression time increase, the hardness increased to form a hardness peak at the retrogression curve, and a hardness peak was observed on the RRA curve.

在RRA曲线上，随着回归时间的延长，硬度值上升，在3600s达到硬度峰，随后硬度值下降。

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Precipitation behavior of 7050 aluminium alloy has been studied by transmission electron microscopy and Vickers hardness tester after retrogression and reaging ( RRA) treatment.

采用TEM和维氏硬度计研究了回归再时效（RRA）处理对7050铝合金的影响，对处理后合金试样的强度和伸长率进行了测试，并对试样断口在SEM下进行了观察。

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The influence of different retrogression and reaging ( RRA) heat treatments on the microstructure and mechanical properties of the high-zinc super-high strength aluminum alloy was discussed.

研究了不同回归再时效（RRA）制度对高Zn超高强铝合金的力学性能和微观组织的影响。

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The rust removing effect of 1.0% RRA could be improved obviously by adding 0.5% aid solvent B.The best fresh keeping method after removing rust was to coat membrane with 0.5% sodium alginate.

0.5%助溶剂B能显著提高1.0%除锈剂A的除锈效果；0.5%海藻酸钠涂膜的保鲜效果较好；

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Mechanical Properties, Exfoliation Behavior and Microstructure of 7150-RRA Aluminum Alloy

回归再时效7150铝合金力学性能、剥蚀行为及微观组织研究

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study on the realization of rra in knowledge management system

知识管理系统中的角色-角色授权的实现研究

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effect of rra on microstructure and properties of new type ultra high strength aluminum alloy

RRA处理对超高强铝合金微观组织与性能的影响

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effect of rra treatment on microstructures of 7050 aluminium alloy

回归再时效（RRA）处理对7050铝合金的影响

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then we have developed a completely new symmetry reduction method, recurrence reduction approach ( rra).

然后我们发展了一种全新的对称性约化方法：循环约化法。

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moreover, there exists a positive correlation between electric conductivity and scc resistance of the alloy after rra treatment.

此外，RRA处理后合金的电导率与拉伸应力腐蚀性能为正相关。

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establishment of radioreceptor assay ( rra) of hcg and study on receptor combining ability of its fragments

人绒毛膜促性腺素放射受体法的建立及其片段受体结合能力的研究

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the fracture toughness, conductivity and strength under nine kinds of two-stage ageing treatment and three kinds of rra treatment were measured.

测定了9种双级时效工艺和3种RRA工艺状态下的断裂韧度，同时测定了各时效工艺状态下的电导率和强度指标。

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after rra treatment, the strength declines slightly, but the conductivity increases greatly which reflects a high resistance of stress corrosion cracking of the alloy.

RRA处理后，合金的强度不降低，电导率和抗应力腐蚀性能得到较大提高。

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using the membrane prolactin receptor preparation from rat liver as specific binding protein, we developed a sensitive radioreceptor assay ( rra) for human prolactin.

本研究利用大鼠肝膜泌乳素受体为特异竞争结合蛋白，在国内首次建立了泌乳素放射受体分析法。

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after solution and rra, the tensile strength, elongation and electric conductivity of studied alloy are 733.4 mpa, 5.4% and 37.6%, respectively.

合金经一般固溶及RRA处理后，σb为733.4MPa，δ为5.4%，电导率为37.6%。

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this paper briefly reviewed the concept, source and development of pra, the difference between pra and rapid rural assessment ( rra) and domain of pra.

在RHIP项目中大量运用了参与性农村评估（PRA）方法，简要地回顾了PRA的发生和发展，PRA的概念和来源，农村快速评估（RRA）与PRA的区别，PRA的应用范围。

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this combined test is contributive to finding of the abnormal active insulin and insulin-like substances when there is significant difference between the results from rra and ria.

若RRA和RIA的结果显著不一，有助于发现活性异常的胰岛素类物质。

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since the purification flow plays an important role during nps maintenance or refueling cold shutdown, the rra system of daya bay nps must be modified in order to increase the purification flow.

而该净化流量在电站维修或冷停堆期间起着非常大的作用，改进停堆余热冷却系统，提高化学容积控制系统净化流量成了当务之急。

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to avoid high computational complexity of solving nonlinear optimization problems, we reformulate the utility-based rra problem as a market model so that the optimal resource allocation can be achieved in a distributed manner.

为避免非线性优化带来的过高的计算复杂度，我们将基于效用函数的无线资源分配问题转换为一个市场模型，这样资源的最优配置将以分布式的模式获得，因此计算复杂度将大大降低。

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serum antipsychotic drug in 50 psychosis cases were measured by radioreceptor assay ( rra) and the values were compared in parallel with that by radioimmunoassay ( ria).

本文采用放射受体分析（RRA）法，检测了50例精神病患者血清中抗精神病药物的浓度，并与氯丙嗪（CPZ）放射免疫分析（RIA）法作了平行对照。

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