峰值

The results showed that the diurnal variation of net photosynthetic rate was a smooth one-peak curve in sunny day.

结果表明：(1)晴天叶片净光合速率在12点达到峰值21.19μmolCO2m^(-2)s^(-1)，日变化为平稳的单峰曲线。

20 Output smoothing In a practical circuit, when a capacitor is directly connected to the output of a bridge, the bridge diodes must be sized to withstand the current surge that occurs when the power is turned on at the peak of the AC voltage and the capacitor is fully discharged .

在实际电路中，当一个电容器直接连接到桥式整流器的输出端时，桥式结构中的二极管必须能够承受交流电压峰值时开启电源和电容完全放电所产生的电流浪涌。

To investigate the pitting and metastable pitting rules of type 304 stainless steel, potentiodynamic polarization method was employed to study the behavior of metastable pitting and stable pitting on 304 stainless steel in sodium bromide solution and borate/phosphate buffered bromide solutions. The influence of the concentration of Br-、the pH value、the buffer capacity and general environmental factor to pitting potential and metastable pitting was studied as well.

为了更深入地了解304不锈钢的稳态及亚稳态孔蚀规律，本文采用动电位慢扫描法测得了304不锈钢的阳极极化曲线，研究了不锈钢在纯溴化钠溶液及含溴化钠的硼酸盐或磷酸盐缓冲溶液中的亚稳态孔蚀以及稳态孔蚀行为，分析了溴离子浓度、pH值、缓蚀性阴离子、以及缓冲容量和综合环境因子对孔蚀电位以及亚稳态孔蚀特征参数中的形核数目、峰值电流、生长寿命的影响。

The results show that the parallel waveform control is a low cost and effective method of lowering spattering.

结果表明：并联式波控是一种低成本的、降低飞溅的有效方法，可以优化焊接电流的波形，抑制短路末期的峰值电流，确保短路末期液桥的柔顺破断，削弱燃弧初期电弧对熔池的冲击。

Aiming at the power spectral density function of Clough-Penzien model, value of peak ratio of ground motion in simulation is suggested.

针对Clough-Penzien功率谱密度函数，建议了模拟多点地震动的峰值因子的取值。

At the beam parameters of 450kV, 2. 3kA, and peak magnetic field of 0.6T, output microwave power of 230MW and efficiency of 23% are got, the mode is a typical TM〓 with the main frequency of 10.33GHz, the spectral property is good.

在450kV，2.3kA束流（束流参数远未达到最佳状态）和峰值磁场0.62T情况下，产生了230MW的微波辐射功率，效率达23％；模式是单纯的TM〓，主频率为10.33GHz且频谱特性较好。

The results indicated that the suitable dosage for seed irradiation of caper spurge was about 600Gy,and the peak value of SOD and CAT activities in caper spurge M_1 seedlings could be used for evaluation the suitable dosage for seed irradiation.

本研究初步认为续随子的适宜辐照剂量应在600Gy左右。M1代幼苗体内SOD及CAT活性峰值可作为续随子适宜辐照剂量的判定依据。

It was got that parameters influencing on current and the relationship between current peak value and slope control time in starting process by slope voltage, and the definition of motor starting efficiency was proposed.

通过分析得到采用斜坡电压控制策略时影响起动电流的参数和电流峰值与斜坡控制时间的关系，同时提出了电动机的起动效率概念。

The environment temperature has heavy influence on the static contact resistance and the maximal contact resistance in the closing process. But has less influence on the bounce time and the vibration time.

3环境温度对静态接触电阻和接触电阻峰值的影响很大，对弹跳时间、振动时间和过渡时间的影响较小。

Based on the peak distribution analysis of stationary stochastic process,the general expression for the peak probability density function of a stress process is described.

利用平稳随机过程峰值的概率分析，给出了计算应力峰概率密度函数的公式。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。