design and implementation of ldo linear power chip with large current and high stability

the sails have been lowered . a winter forest of masts contains unexpected sights and sounds of spring .

风帆垂落。桅杆，这冬天的树木，带来了意外的春光。

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some key mechanisms are emphasized to support qos such as mpls, rra module, mistake control and so on, and some different mechanisms and policies are discussed provided by stream media qos assurance from diverse technology views in ip net-works, mobile networks and terminal equipments.

通过重点阐述MPLS、RRA模型、差错控制等支持用户QoS的关键技术，从不同的技术角度，探讨了在IP网络、无线移动网络和终端中为流媒体业务提供各种QoS的机制与策略。

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the results showed that the strength of 7055 alloy could be increased slightly after cold rolling and t6 aging at a smaller reduction, then decreased at a heavier rolling reduction, and always reduced with the increase of rolling reduction for the rra temper alloy.

实验结果表明，对于冷变形再T6时效的7055铝合金，随变形量的提高，强度先略有上升，而后缓慢下降。RRA态合金强度随变形量增加而持续下降。

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when the regression temperature was 473 k, in comparison with retrogression at 453 k, the retrogression valley and peak promoted at the retrogression curve, and the hardness peak promoted at the rra curve.

当回归温度为473K时，虽然与在453K回归和再时效行为的趋势相同，但在回归曲线上，硬度的谷值和峰值时间都提前，并且硬度峰值稍微降低；

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the relative rates of absorbing nitrogen ( rra) in all treatments decreased with the development of rice during the whole lifetime, the greater the ratio of bt to total nitrogen applied, the faster their declining speed became.

结果表明：（1）各处理水稻相对吸氮速率随生育进程而降低，其降低速度随氮素基、蘖肥占总施氮量比重增大而加快。

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when the aging treatment is rra treatment ( retrogression and re-ageing): 120 ℃× 22h+ 180 ℃× 30min+ 120 ℃× 22h, the synthetic properties is best.

综合性能最佳的热处理工艺为：120℃×22h+180℃×30min+120℃×22h的回归再时效处理（RRA）。

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when the retrogression temperature was at 453k and 473k, the retrogression curve can be dealt with in three stages and the rra treatment can be simply considered as a two step aging process.

当回归温度为453K和473K时，回归曲线由三部分组成，回归再时效曲线由两部分组成。

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the residual heat removal pump is a main component of rra and is the only nuclear secondary pump which is installed inside the nuclear island except the main pump and which significantly affects whether the reactor can shut-down.

余热排出泵是余热排出系统（RRA）的主要组成部分，是除核主泵之外唯一布置在核岛之内的核二级泵，是关系到核岛能否安全停堆的核心装备。

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the electrical conductivity of cold rolled 7055 alloy decreased with the increase of rolling reduction and increased for t6 and rra temper alloys due to the lattice distortion and coarse precipitates from dislocations.

随变形量的增加，冷轧态7055铝合金的电导率逐渐下降，而T6和RRA态合金的电导率却逐渐上升。在同样变形量条件下，RRA态合金具有最高的电导率。

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t73 and rra treatment improve the grain boundary character, which is help to inhibit hydrogen embrittlement and decrease anodic dissolution rate, then to improve the sccr of the alloy.

T73和RRA时效处理改善了合金晶界特性，有助于阻止氢脆、减缓晶界阳极溶解速度，提高合金的抗应力腐蚀能力。

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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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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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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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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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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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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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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 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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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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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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