With ability to program these devices, reaching a threshold of pressure level indicates it is time to change the element.
通过对这些设备进行编程，当压力水平达到临界值时，就表示需要更换元件了。
Impulse sound pressure level and sound power level and sound power increase along with the increasing of detonation frequency.
脉冲声压级、声功率级、声功率随爆震频率的提高而提高。
The sound pressure level changes acutely in shock intersection, and shocks outside nozzle and exhaust plume cause strong noise.
声压级在相交激波点附近出现剧烈变化，喷管出口处的激波和排气羽流造成强噪声。
Blood pressure variability in the acute stage of stroke is greater, and blood pressure level is associated with the prognosis of stroke.
急性卒中的血压波动较大，血压水平与卒中患者预后相关。
Besides, the influences of sound pressure level, residence time and initial total number concentration on agglomeration were investigated.
同时，研究了声压级、停留时间和气溶胶初始浓度等参数对声波团聚的影响。
Based on the masking properties of the psychoacoustic model, we then derive the required sound pressure level of the watermark.
基于心理声学模型的掩蔽特性，可以得出水印被要求的相应的声压级。
The function of the optimum sound pressure level of the rolling bearing noise is established especially for applications to engineering.
为了在工程上应用，特别建立了最优滚动轴承噪声声压级函数。
For often work under high pressure gear pump, the working pressure shall be lower than the rated pressure of the pump 1 ~ 2 pressure level.
对于经常工作于较高压力下的齿轮泵，其工作压力应比泵的额定压力低1 ~2个压力级。
It has been verified that the directional characters in near sound field in low and middle frequency bands and the pressure level in far...
计算结果正确预测出近场中低频段的指向性特点和远场声压级水平，与实测谱值有较好的一致性。
Objective To study the relation of blood pressure level and rates of abnormal clinical electrocardiogram (ECG) in healthy testing population.
目的探讨体检人群血压水平及其与心电图异常检出率的关系。
A global transfer function (g) representing a spatial average of sound pressure level in the room generated by the loudspeaker (L1) is determined.
确定表示由扬声器(L1)生成的在房间中的声压水平的空间平均值的全局传递函数(G)。
The sound pressure level at certain distance from the outer shell in flow field is obtained when the vibration velocity of the inner shell is known.
在已知内层壳体振动速度的情况下，计算出流场中距外层壳体一定距离处的声压级。
Booster compressor noise has the characteristics of wide frequency band, intense low frequency sound and considerably high total sound pressure level.
增压机噪声具有频带宽、低频声强烈，且总声级又相当高的特性。
Zhang Yuting: it is important to calculate the patient's risk, perhaps a 10-year risk, with the baseline characteristics of their blood pressure level.
张宇清教授：根据患者血压水平和基线特征来计算患者的风险(可能是10年风险)很重要。
Under the same frequency and same sound pressure level, the infrasound damage on the brain didn't show linear correlation with the acting time of infrasound.
在相同的频率和声压级水平下，次声的损伤作用与次声的暴露时间并非呈线性关系。
With the measurement of average sound pressure level and sound power level, the noise reduction result of the oil pan made by sandwich steel plate was proved.
通过平均声压级和声功率级的测试验证了复合钢板试制的油底壳的降噪效果。
Conclusion The serious extent of hypertension patients' carotid artery internal membrane lesion is influenced by blood pressure level, aging and blood lipids.
结论：高血压患者颈动脉内膜的病变程度受血压水平、年龄及血脂等因素的影响。
Protection of ear to reduce sound pressure on it is necessary if the ear is to be subjected to noise at a sound pressure level more than 85 decibels continuously.
如果耳朵要连续承受声压为85分贝以上的噪音，则必须加以保护，以减低它所承受的声压。
Higher sound pressure level (SPL) favored both collision efficiency and agglomeration kernel, so acoustic agglomeration increased in the higher-intensity acoustic field.
声压级增大不仅使团聚核函数增大，也增大了碰撞效率，使高声压级时的团聚更有效。
For level instruments required to send signal remotely, diaphragm sealed differential pressure level transmitter, displacer transmitter and radar transmitter shall be selected.
远传指示液位仪表一般选用双法兰差压液位变送器、浮筒液位变送器及雷达液位变送器等；
Objective to evaluate the type and incidence of arrhythmia in patients with essential hypertension and it correlation with blood pressure level and cardiovascular risk factors.
目的探讨首次诊断的原发性高血压患者心律失常的发现率、类型及其与高血压水平和心血管危险因素的关系。
By Combining acoustics with electrics, and based on sound pressure level a calculating method was presented to determine the magnititude of electric-power inputting to sound-box.
将声学原理与电学原理结合起来，提出了一种根据空间声压级确定输入到音箱中的电功率大小的计算方法。
Change of soil pressure is the result of interaction between soil and retaining structure. Soil pressure level and distribution model are related to retaining structure deformation.
土压力变化是土与挡土结构之间相互作用的结果，土压力的大小与分布模式同围护结构变形量和变形方式有关。
The regularities of the combustion chamber noises are analysed based on the numerous measurements obtained, and the predicted models of the total sound pressure level are also given.
根据大量的测试结果分析了燃烧室噪声的规律和总声级的预测模型。
This text introduced a kind of questionnaire which can be used to measure the pressure level which the university student face at present, and how to manage the pressure scientifically.
本文介绍了一种测量大学生当前面临压力水平的问卷，以及如何科学管理压力的方法。
Socks according to the pressure level can be divided into health care and treatment, health care is the 1 stage, treatment type is the 2-3 level, higher levels, the greater the pressure.
袜子按照压力等级可以分为保健型和治疗型，保健型的是1级，治疗型是2-3级，级数越高，压力越大。
Reasonable reservoir pressure level is studied by numerical simulation, and the limit value of correlative parameter is determined, which provides theoretical foundation for improving t...
针对这一现状，利用数值模拟技术，对该油藏合理压力水平进行了研究，并确立了相关参数的界限值，为改善特高含水期油田开发效果提供了理论依据。
Here, some problems about the influence of confining pressure level, also the over-consolidation and anisotropy of fill materials due to compaction procedure during construction were discussed too.
本文还对围压水平影响、碾压施工所造成的土料超固结和各向异性等问题作了简单的讨论。
Liaoning Coastal Economic Zone; resource-environmental pressure; level of urbanization; Grey relational analysis.
辽宁沿海经济带；资源环境压力；城市化水平；灰色关联分析。
Liaoning Coastal Economic Zone; resource-environmental pressure; level of urbanization; Grey relational analysis.
辽宁沿海经济带；资源环境压力；城市化水平；灰色关联分析。
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