• Measurement and calculation of sound pressure level and sound power level.

    声压功率测量计算

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  • Improve the formation pressure level can effectively improve the condensate oil recovery.

    提高地层压力保持水平可以有效提高预测期末凝析的采出程度。

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  • Objective To study of the effect intensity of blood viscosity on the blood pressure level.

    目的研究血液粘滞血压水平影响程度

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  • Regularities of pressure on surface with sound pressure level and frequency are also given.

    给出了模型表面压力随声压频率变化规律

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  • A stereo effect is achieved through differences in sound pressure level between two microphones.

    立体声效果通过不同的声压水平之间两个话筒。

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  • The maximum sound pressure level standards of Beijing Olympic Organizing Committee is introduced.

    引用奥组大声压级具体要求。

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  • MD-12 has a true natural performance features of its biggest is lightweight and has a higher sound pressure level.

    MD - 12有着真实自然表现最大特点就是轻巧拥有较高声压级。

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  • 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表示需要更换元件了。

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  • Impulse sound pressure level and sound power level and sound power increase along with the increasing of detonation frequency.

    脉冲声压功率级、声功率爆震频率提高而提高

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  • The sound pressure level changes acutely in shock intersection, and shocks outside nozzle and exhaust plume cause strong noise.

    声压相交激波点附近出现剧烈变化喷管出口处的激波排气羽流造成噪声

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  • Based on the masking properties of the psychoacoustic model, we then derive the required sound pressure level of the watermark.

    基于心理声学模型掩蔽特性,可以得出水印被要求相应的声压

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  • And stepwise regression analysis demonstrates that BMI and the diastolic blood pressure level, the exercise situation show correlation.

    逐步回归分析显示BMI舒张水平锻炼情况呈正相关。

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  • 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滚动轴承噪声声压函数

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  • Blood pressure variability in the acute stage of stroke is greater, and blood pressure level is associated with the prognosis of stroke.

    急性卒中血压波动较大,血压水平与卒中患者预后相关

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  • Besides, the influences of sound pressure level, residence time and initial total number concentration on agglomeration were investigated.

    同时,研究了声压停留时间气溶胶初始浓度等参数声波团聚影响

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  • Hereby may be achieved that largely all cooling functions occurring at the same pressure level are integrated in a common pressure vessel.

    由此可以使得几乎所有同一压力水平下发生冷却功能集成共用的压力容器中。

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  • But corticosteroids can affect blood pressure level, especially in patients with high blood pressure, the performance is very outstanding.

    但是皮质激素影响血糖水平特别是糖尿病的患者表现尤为突出。

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  • 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.

    对于经常工作较高压力齿轮泵工作压力额定压力1 ~2个压力

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  • 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关系

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  • A global transfer function (g) representing a spatial average of sound pressure level in the room generated by the loudspeaker (L1) is determined.

    确定表示扬声器(L1)生成房间中的声压水平空间平均值全局传递函数(G)。

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  • Booster compressor noise has the characteristics of wide frequency band, intense low frequency sound and considerably high total sound pressure level.

    增压噪声具有频带低频强烈,且声级相当特性

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  • 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.

    相同频率和声压级水平下,次声的损伤作用次声暴露时间并非线性关系

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  • 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.

    通过平均声压和声功率测试验证复合钢板试制底壳降噪效果

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  • Conclusion The serious extent of hypertension patients' carotid artery internal membrane lesion is influenced by blood pressure level, aging and blood lipids.

    结论高血压患者动脉内膜病变程度血压水平年龄血脂等因素的影响。

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  • 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分贝以上噪音,则必须加以保护减低所承受的声压。

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  • Results Higher pulse pressure level had harmful affect on the prognosis and was also one of the main death factors in patients with hypertension cerebral infarction.

    结果高血压梗死患者预后不良影响高血压性脑梗死主要死因

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  • We get and analysis the data of the reverberation, noise and acoustic pressure level of the Conference Hall and Lecture Hall in some northern university in measurement.

    实测分析北方大学甲报告厅和乙会议厅混响时间、景噪声、场数据

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  • Higher sound pressure level (SPL) favored both collision efficiency and agglomeration kernel, so acoustic agglomeration increased in the higher-intensity acoustic field.

    声压增大不仅使团聚函数增大,增大了碰撞效率,使高声压级时团聚更有效。

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  • Higher sound pressure level (SPL) favored both collision efficiency and agglomeration kernel, so acoustic agglomeration increased in the higher-intensity acoustic field.

    声压增大不仅使团聚函数增大,增大了碰撞效率,使高声压级时团聚更有效。

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