Pressure on the body to sleep has been building all day and now peaks as body temperature starts to drop.
经过一天的劳作身体在这时最为疲倦，体温也开始下降。
The steam pressure or water pressure drop.
蒸汽压力或给水压力下降。
Following a wild and woolly day in the stock market, the world’s central banks are now under intense pressure to drop interest rates.
股市度过了慌乱和狂躁的一天，现在，全球央行都感受到降息的巨大压力。
The vapour cone effect is caused by pressure differences around the aircraft. A sudden drop in pressure associated with high speed allows water vapour, which is normally invisible, to condense as fog.
蒸汽锥效应是由于战斗机周围的压力差所导致的，高速飞行时压力的陡然降低会使不可见的水蒸气凝结成雾气。
He says a pressure valve on one of the rocket's fuel tanks showed a drop.
他说，火箭燃料箱的一个压力阀显示压力降低。
全开状态零压降。
Energy costs go up with excessive pressure drop.
如果压降太大，会增加能量消耗。
It can basically reflect the additional viscosity pressure drop due to flow path difference and additional inertial pressure drop due to high speed convergent flow.
该模型从本质上反映了因流线差异造成的粘性附加压降损失和高速紊流效应造成的惯性附加压降损失。
Figure 6 is the relation between soot cumulant and pressure drop increment, as soot increases, pressure drop increases obviously, in linear relation.
图6碳烟累积量与压降增量的关系，随着碳烟的增加，压降明显增加，呈线性关系。
The fin pitch and fin thickness of the exchanger are the key parameters for heat transfer and pressure drop.
换热器的翅片间距和翅片厚度是影响换热器换热和压降特性的重要因素。
This is important because a high pressure drop would mean that more energy is required to drive the vapour up the distillation column.
这一点很重要，因为如果压力下降太大，就意味着需要更多能量来推动蒸气上升。
Reach the set pressure pump auto stop, the resumption of work pressure drop.
到达设定压力时泵自动停止，压力下降时恢复工作。
In this range, the pressure drop increases in proportion to the specific gravity of the mixture.
在这个范围内压力差的增加与混合物的比重成比例。
A one-gram-per-day reduction in salt consumption results in a small drop of systolic blood pressure of 0.8 mm Hg, she said.
每天减少摄入一克盐能令收缩压降低0.8毫米汞柱。
Read the pressure drop across the valve with a Watts Series PG meter.
利用美国瓦茨系列PG仪器读出通过阀门的压降。
With this model, the pressure drop curve of well testing is interpreted, and mobility ratio, diffusion ratio, sweep radius of each area and some other parameters are solved.
利用该模型可以对火烧油层注气井试井压降曲线进行解释，并求解流度比、扩散比以及各区的波及半径等参数。
Swing-type check off er the least pressure drop and offer simple automatic closure; when fluid flow stops gravity and flow reversal closes valve.
旋启式止回阀压降最小，能够完全自动关闭，即在介质流动停止、重力和介质倒流的状态下自动关闭阀门。
Crane globe valves are highly efficient for services requiring frequent operation and throttling when pressure drop across the valve is about 20% of inlet pressure.
当通过阀门的压降为管路压力的20%左右时，美国克雷恩截止阀就能够高效应用在频繁操作和节流的应用场合。
A drop in oxygen pressure can cause headaches in certain individuals.
氧分压的下降会使一部分人头痛。
The turbines' spinning blades cause a drop in air pressure, which can kill bats.
涡轮机旋转的刀片导致风压下降，可能杀死蝙蝠。
We're going to drop the pressure, the volume is going to go up.
我们会降低压强，体积就会变大。
Taking these drugs with nitrates, taken either regularly for chest pain or in an emergency setting, can cause a dangerous drop in blood pressure.
如果在服用这些药物的同时，你还定期服用硝酸盐药物用于治疗胸痛或在紧急情况下服用硝酸盐药物，则有可能导致血压急剧下降，使你处于危险的状态。
While it's still unclear how to explain the link, getting into a hot tub on a chilly day causes a rapid blood pressure drop, which stresses the heart.
尽管如今还不知道如何解释它们之间的联系，但是在寒冷的天气里进入热的浴缸会导致血压快速下降，增加心脏的压力。
Many women also experience a drop in blood pressure at this time.
许多女性这时还会经历血压的降低。
They base this on the previously unconsidered drop in pressure that occurs when water passes from gas to liquid state in condensation.
这是根据先前当水因冷凝由气态变为液态时，气压骤降而得出的。
If you have high blood pressure, cutting back on booze could produce a small but significant drop of 2 to 4 mm Hg systolic (the top number) and 1 to 2 mm Hg diastolic (the bottom number).
如果你有高血压，那么当你减少饮酒量时，可以使心脏收缩压有很小但又有意义的下降，可以下降2- 4毫米汞柱(上面的数即分子数值)，以及心脏舒张压下降1 - 2毫米汞柱(下面的数即分母数值)。
If you have high blood pressure, cutting back on booze could produce a small but significant drop of 2 to 4 mm Hg systolic (the top number) and 1 to 2 mm Hg diastolic (the bottom number).
如果你有高血压，那么当你减少饮酒量时，可以使心脏收缩压有很小但又有意义的下降，可以下降2- 4毫米汞柱(上面的数即分子数值)，以及心脏舒张压下降1 - 2毫米汞柱(下面的数即分母数值)。
应用推荐