寿命

To solve the problems of the limescale ,the oxidation which are produced by the direct contact between a metallic conductor and water, the detectingreliability and the service life, the utility model adopts the technical proposal as below: the proposal comprises a monostable controllable trigger, a second low-pass filter, a voltage follower and a display circuit, the power circuit links with the monostable controllable trigger, the second low-passfilter, the display circuit and a timebse pulse circuit separately, the utility model is characterized in that the monostable controllable trigger, the second low-pass filter and the display circuit sequentially links, the monstable controllable trigger separately links with a water lever sensor and thetimebase pulse circuit.

为了解决金属导体与水直接接触会产生水垢和氧化、影响检测可靠性和使用寿命的问题，本实用新型采用了以下技术解决方案：它包括单稳可控触发器、二阶低通滤波器、电压跟随器和显示电路，电源电路分别与单稳触发器、二阶低通滤波器、显示电路和时基脉冲电路相接，其特征在于单稳可控触发器、二阶低通滤波器、电压跟随器和显示电路依次相接，单稳可控触发器分别与水位传感器和时基脉冲电路相接。

Compact structure, small volume, appealing outline, vertical structure contributing to small occupation space for installation, center of gravity into the center of pump foot, thus having improved the operational smoothness and service life of pump.

泵结构紧凑、体积小、外形美观，其立式结构决定安装占地面积小，其重心重合于泵脚中心，因而增强了泵的运行稳定性和使用寿命。

The impeller can be used 90 years of the best self-balancing axial force hydraulic model, making pump bearings and mechanical seal life greatly extended.

叶轮采用90年代最优秀可自平衡轴向力的水力模型，使得泵轴承和机械密封使用寿命大大延长。

Also in order to maintain the main impeller axial force balance, have to set up a vice-impeller structure, it can reduce the pressure sealed chamber so that the axial force pump and mechanical seal life expectancy are greatly increased.

另外为了保持主叶轮轴向力的平衡，须设置一个副叶轮结构，它能降低密封腔的压力，使电泵的轴向力及机械密封的寿命均大大提高。

Also in order to maintain the balance of the main impeller axial force, shall be a Vice-impeller structure, it can reduce the pressure sealed chamber, so that the axial force pump and Magnetic pumps mechanical seal life are greatly increased.

另外为了保持主叶轮轴向力的平衡，须设置一个副叶轮结构，它能降低密封腔的压力，使电泵的轴向力及机械密封的寿命均大大提高。

We show that in mammalian cells, the Sir2 homolog SIRT1 appears to control the cellular response to stress by regulating the FOXO family of Forkhead transcription factors, a family of proteins that function as sensors of the insulin signaling pathway and as regulators of organismal longevity.

在哺乳动物Sir2同源物SIRT1似乎通过调节FOXO Forkhead转录因子家族来控制细胞对应激的反应，该转录因子家族可以作为胰岛素信号转导的传感器和生物寿命的调节因子。

Based on the theory of fracture mechanics and the principle of structural reliability analysis,a computation formula of the fatigue failure of suspension cable system in a suspension bridge caused by alternate stress is deduced,thus an evaluation method on the safety life of suspension cable system which has been subjected to eroding is suggested,according to which,highway administration departments can arrange the opportunity of detection,maintenance and strengthening of bridges,as well as the investment.

根据断裂力学理论和结构系统可靠性分析原理，推导出交变应力引起的悬索桥吊索系统疲劳失效的计算公式，从而提出的一种考虑构件腐蚀后吊索系统安全寿命的评估方法，可以为公路管理部门合理安排桥梁的检测、维修、加固的时机和投资提供依据。

The results indicate that using refrigerant to simulate the real working environment can get the accurate lifetime of four-way valve.

试验结果表明，用制冷工质模拟实际工作条件能够准确测试四通换向阀的寿命。

Baby-boomers can chuck the day job at 60 or 65 and head off into the perma-tanned sunset (they will probably prove freakishly long-lived), borrowing against the inflated value of their houses as they do so.

在人口暴涨期出生的人可以在60岁或65岁时放弃他们的日常工作，防止永久的卸甲归田（他们可能会异想天开的去证明自己的长寿命），正如他们所作的那样，为了被夸大的房屋价值而贷款。

It has the advantages of long life and maintenance free to use big-power LED product.

它的优点是使用寿命长，免维护使用大功率主导产品。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失