并介绍了各种换热器压力损失的计算方法。详细地探讨了减少压力损失的各种措施。

This paper explained the cause of pressure loss formation, introduces various calculation methods for pressure losses of heat exchanger, discusses different measures to reduce pressure losses.

另外设计引射混合式低压加热器时，应对喷嘴等各具体结构尽可能根据流体力学知识，采用较少的固体壁面，流线化的轮廓，以减少压力损失。

Designing the specific structure of jetting low-pressure heater, the knowledge of fluid dynamics should be used as far as possible, and to reduce pressure loss, the structure of a less solid wall and streamlined profile can be used.

虽然科学证明瑜伽和静思可以减少压力，但这些计划几乎没有针对倦怠和脱节的根本原因。

While yoga and meditation are scientifically proven to reduce stress levels, these programs do little to target the root causes of burnout and disengagement.

然而，现在这种激烈的竟争环境已经开始露出了一线曙光:美国人现在开始意识到了工作对自己的影响，而雇主也在探索如何减少压力和过度劳累所带来的负面影响。

Glimmers of hope, however, are beginning to emerge in this bruising environment: Americans are becoming aware of the toll their jobs take on them, and employers are exploring ways to alleviate the harmful effects of stress and overwork.

她说:“给照顾另一半的伴侣们提供服务能够减少婚姻压力，预防在老年时出现离婚情况。

"Offering support services to spouses caring for their other halves may reduce marital stress and prevent divorce at older ages," she said.

这轮胎太硬，要减少一点压力。

The tyre is too hard; reduce the pressure a bit.

琼•高登（Jon Gordon）是一位领导力培训师，也是《不抱怨原则》（The No Complaining Rule）一书的作者，他收集的很多研究素材表明，感恩有助于减少压力，增进健康。

Jon Gordon, a leadership trainer and author of'The No Complaining Rule,'has collected research showing that gratitude reduces stress and improves health.

“该研究表明，如果人们试图减肥，他们应该试着拥有适当的睡眠和减少压力。”主要作者Dr Charles Elder说。

" This study suggests that when people are trying to lose weight, they should try to get the right amount of sleep and reduce their stress," said lead author Dr Charles Elder.

结论Zoledronate能有效地抑制支抗牙移动，减少压力侧牙槽骨表面破骨细胞数。

Conclusions Zoledronate may be a useful agent for anchorage control and reducing the number of osteoclast on pressure si