并激

The experiment to demonstrate the bi-directional conductibility of power MOSFET is also presented in this paper. A power supply of TTCF with synchronous rectification is designed.The waveform,experiment data and analysis of it are presented in this paper,which shows that the design is avaible in practice.

作者设计了一个双管正激同步整流变换器，文章最后给出了相关实验波形及数据并进行了分析，证明了该设计方案的可行性。

Objective To study the effect of long term psychological stress on plasma corticosterone, catecholamine level and immunological function in rats.

①目的 研究长期心理应激对大鼠血浆皮质酮、儿茶酚胺水平以及免疫功能的影响并探讨其机制。

Its contents include:(1) Based on unsteady flow theory model, the program of calculating the critical velocity of fluidelastic instability is developed.

提出以频率为参数的拟线性模型来分析临界流速的多值性，并给出了计算固有临界流速和受激临界流速的方法；(4)。

The dynamic curving behavior of the high-speed train with track irregularity is studied and the corresponding conclusion is drawn.

本文还对存在轨道激扰条件下的列车曲线通过性能进行了研究并得出了相应的结论。

The transient thermal characteristics of the lasers operated in pulse driving conditions are simulated for the first time; results show that at pulse driving condition, the apparent thermal resistance of the device is pulse parameter dependent, especially at lower duty cycle.

通过分析，得到在脉冲激射下，激光器的表观热阻跟输入的脉冲周期和脉宽有关，表观热阻值随注入脉冲占空比的增加而减小，并趋近于稳态热阻。

Methods The distribution of fos-like immunoreactive neurons in telencephalon, diencephalon, midbrain and pons were examined in 10 "behavioral despair" rats and 10 "simple forced swimming" rats, and the distributions of FLI neurons of the two groups were compared by fos-Ab immunohistochemistry methods.

采用不同强度强迫游泳应激造成绝望行为模型和单纯强迫游泳模型大鼠（Wistar 系雄性，体重160～180 g）各10只，在其端脑、间脑、中脑和脑桥切片上各做抗fos蛋白免疫组化染色，40倍光镜下观察和计数各部位内fos蛋白免疫阳性神经元及其数目，并进行两组之间的比较。

The circuit topology of the differential Forward DC-DC converter mode inverter with high frequency link was proposed. Circuit topology, transient voltage control strategy, steady principle characteristic and design criteria for the key circuit parameters were deeply investigated.

提出差动正激直流变换器型高频环节逆变器电路拓扑，并对该变换器的电路拓扑、瞬时电压控制策略、稳态原理特性、关键电路参数设计准则等进行了深入地分析研究。

An appalling plash within two yards of him was followed by a loud, rushing sound, diminuendo, which seemed to travel back through the air to the fort and died in an explosion which stirred the very river to its deeps!

距离他两码的位置发出可怕的激溅声，随后响亮急速的声音渐渐微弱，声音似乎是向后穿过天空到达堡垒并在爆炸声后平息，它的威力足以震惊整条河。

Two radiologists reviewed all the images and scored them based on degree of bowel distension and bowel wall visibility.

2放射审查的所有图片，并取得他们的基础上程度的肠易激distension和肠壁的能见度。

Irregularity; management of chronic constipation, irritable bowel syndrome, and diverticulitis.

不匀；管理慢性便秘，肠易激综合征，并憩室。

In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国，慢性酒精中毒，肝炎是最常见的。

If you have any questions, you can contact me anytime.

如果有任何问题，你可以随时联系我。