psi

简明释义

英[psaɪ;saɪ]美[psaɪˌsaɪ]

n. 希腊字母表的第23个字母；ψ星（星座中第二十三颗星）；超心理能力（或现象）

abbr. 磅每平方英寸（pounds per square inch）

英英释义

单词用法

同义词

反义词

例句

1.You can see in this double ended guillotine break the pressure was around twenty two to twenty five psi.

你们能看到这个双端闸床破裂，压力大约是在20到25磅每平方英寸。

2.The high strength steel (100,000 psi minimum yield) piston rod has a ground, polished, and chrome plated surface.

高强度钢（100，000防扩散的最低收益率）活塞杆有一个理由，打磨，表面镀铬。

3.psi2 1 -1 We can re-write this as psi 2 1 negative 1.

我们可以重新写成。

4.Bosch Security Systems has won the PSI Premier Award for CCTV Product of the Year 2010 for its Dinion 2x range.

博世安全系统凭借他的dinion2x系列赢得了首次颁发的CCTV 2010年度产品大奖。

5.The Irish ISEQ index dropped 0.2% to 2, 650.57, Portugal’s PSI 20 dropped 0.2% and Spain’s IBEX 35 index fell 0.4%.

爱尔兰ISEQ指数下跌0.2%，至2650.57点，葡萄牙PSI20指数下跌0.2%，西班牙IBEX35指数下跌0.4%。

6.Tie rods are 100, 00 psi minimum yield steel for maximum holding power.

拉杆是100,00举行防扩散最大功率最低产量钢。

7.The tire pressure should be maintained at 32 psi for optimal performance.

轮胎压力应保持在32 psi，以获得最佳性能。

8.The pressure gauge read 60 psi, indicating the compressor was functioning well.

压力表读数为60 psi，表明压缩机运行良好。

9.For this experiment, we need to set the chamber pressure to 15 psi.

对于这个实验，我们需要将腔体压力设定为15 psi。

10.The recommended pressure for this inflatable boat is 3 psi.

这艘充气船的推荐压力为3 psi。

11.During the test, the system reached a maximum pressure of 100 psi.

在测试过程中，系统达到了100 psi的最大压力。

作文

In the realm of science and engineering, the term psi is often encountered, particularly in the fields of physics and fluid mechanics. psi, which stands for pounds per square inch, is a unit of pressure commonly used in the United States. Understanding how psi operates within various contexts is crucial for anyone working with pressurized systems, whether it be in automotive applications, construction, or even in everyday household items. For instance, when inflating a tire, the recommended pressure is usually specified in psi. This measurement indicates how much weight is applied over a specific area, and maintaining the correct psi level is essential for ensuring safety and optimal performance. The significance of psi extends beyond just tires; it plays a vital role in hydraulic systems as well. Hydraulic machinery relies on the principles of pressure to function effectively. The psi measurement helps engineers design systems that can withstand certain pressures without failing. In hydraulic presses, for example, the pressure exerted is measured in psi, allowing operators to understand how much force they are applying to materials. This understanding is fundamental in industries like manufacturing, where precision and reliability are paramount. Moreover, psi is not limited to industrial applications. It also finds its place in the medical field, particularly in measuring blood pressure. Blood pressure is expressed in terms of psi, where systolic and diastolic pressures are recorded. A typical reading might be 120/80 psi, indicating the pressure in the arteries when the heart beats and when it rests, respectively. This measurement is critical for diagnosing and monitoring health conditions, showcasing how psi directly impacts human life. To further illustrate the importance of psi, consider the context of scuba diving. Divers must be aware of the pressure changes that occur as they descend underwater. The pressure is typically measured in psi, and understanding how this pressure affects the body is essential for safe diving practices. As divers go deeper, the water pressure increases, and so does the psi reading on their gauges. This knowledge helps divers avoid conditions such as decompression sickness, emphasizing the practical implications of psi in recreational activities. In conclusion, the unit psi represents a crucial element in various fields, from engineering to medicine and beyond. Its applications are vast and diverse, affecting everything from tire inflation to hydraulic systems and even healthcare. By comprehending the concept of psi, individuals can better appreciate the underlying principles of pressure that govern many aspects of life and technology. Whether you are driving a car, operating heavy machinery, or monitoring your health, the understanding of psi is indispensable. Therefore, it is essential to recognize the importance of this unit and apply it appropriately in relevant contexts to ensure safety and efficiency.

在科学和工程领域，术语psi经常出现，特别是在物理学和流体力学中。psi是每平方英寸磅的缩写，是美国常用的压力单位。理解psi在各种上下文中的运作对任何与加压系统打交道的人来说都是至关重要的，无论是在汽车应用、建筑，还是在日常家居用品中。例如，在给轮胎充气时，通常会以psi为单位指定推荐的压力。这个测量值表示施加在特定面积上的重量，保持正确的psi水平对于确保安全和最佳性能至关重要。 psi的重要性不仅限于轮胎；它在液压系统中也发挥着重要作用。液压机械依赖于压力原理来有效运行。psi的测量帮助工程师设计能够承受一定压力而不发生故障的系统。在液压机中，例如，施加的压力以psi为单位进行测量，使操作员能够了解他们施加在材料上的力量。这种理解在制造等行业中至关重要，因为精确性和可靠性是关键。 此外，psi并不限于工业应用。它在医疗领域也占有一席之地，特别是在测量血压时。血压以psi为单位表示，收缩压和舒张压被记录下来。一个典型的读数可能是120/80 psi，表示心脏跳动时和静息时动脉中的压力。这一测量对于诊断和监测健康状况至关重要，展示了psi如何直接影响人类生活。 为了进一步说明psi的重要性，考虑潜水的背景。潜水员必须意识到随着他们在水下下降而发生的压力变化。压力通常以psi为单位测量，理解这种压力如何影响身体对安全潜水实践至关重要。当潜水员下潜得更深时，水压增加，测量仪表上的psi读数也随之增加。这一知识帮助潜水员避免诸如减压病等情况，强调了psi在休闲活动中的实际意义。 总之，单位psi在各个领域中代表着一个至关重要的元素，从工程到医学及其他领域。它的应用广泛而多样，影响从轮胎充气到液压系统甚至医疗保健的方方面面。通过理解psi的概念，个人可以更好地欣赏支配生活和技术许多方面的压力基本原理。无论你是在开车、操作重型机械，还是监测自己的健康，理解psi都是不可或缺的。因此，认识到这一单位的重要性并在相关上下文中适当应用它，以确保安全和效率，是非常必要的。