Lisa Mosconi and colleagues at the New York University School of Medicine used positron emission tomography, or PET, scans to look at the brains of 53 normal elderly people.
美国纽约大学医学院的莉萨·墨斯科尼和其同事使用正电子发射断层成像(Positron Emission Tomography,PET)技术，对53名正常的中老年人进行了脑部扫描。
Whenever possible, use the speaker-phone mode or a wireless Bluetooth headset, which has less than 1/100th of the electromagnetic emission of a normal cell phone.
可能的话，尽量使用扬声器模式或者无线蓝牙耳机，它将会小于标准手机辐射的百分之一。
The oxygen sensor is widely used on modern cars is one of the sensors, the normal operation of the engine and exhaust emission control plays a vital role.
氧传感器是现代轿车上应用广泛的传感器之一，对发动机的正常工作和尾气排放控制起着至关重要的作用。
Based on acoustic emission, power monitoring and improved neural network technology and using cutting tool monitoring software, the normal or abnormal condition of cutting tools can be identified.
以声发射、功率监控和改进的神经网络技术，借助刀具监控软件，识别刀具切削工作的正常和失效状态。
The characteristics of heating and pollutant emission have been analyzed by control test on two domestic ovens with infrared - radiation gas burner and normal gas burner.
本文通过对采用燃气红外辐射燃烧器的家用灶和采用普通燃烧器的家用灶进行对比实验，分析了两种家用灶的加热特点和污染物排放特点。
Whether the diesel engine fuel supply advance Angle exactitude or not, will directly affect the diesel engine's normal work, power, specific fuel consumption, emission standard, and so on.
柴油机供油提前角的正确与否直接关系到柴油机能否正常工作，并对其功率、燃油消耗率和排放标准都有直接的影响。
No matter what the soil moisture treated, being with waterlog in normal paddy or upland condition in GCRPS field, once nitrate as nitrogen fertilizer source. N2O emission increased remarkably.
不论是旱种还是水田，只要增加硝态氮源，土壤n2o的排放就极显著增加。
This paper discussed methane emission, the reasons for methane reduction in up corner, problems should be considered in the condition of change from normal ventilation into downriver ventilation.
对下行通风时瓦斯涌出及下隅角瓦斯减少的原因进行论证，对上行风改为下行风应注意的问题进行了论证。
To predict the amount of mine gas emission is crucial for mining safety and normal production in coal mine.
矿井瓦斯渗出量预测，对矿井安全及正常生产至关重要。
The plant has been under normal operation since the new technology was executed and the output of crude benzene increased. The effect of energy-saving and emission reducing has been remarkable.
新工艺投入生产以来，运行正常，粗苯产量得到提高，节能减排效果明显。
On the basis of normal manure application, combined fertilizers applied to the soil could significantly boost N_2O emission.
在施常量有机肥的基础上混施化肥能显著增加土壤N_2O的排放量。
On the basis of normal manure application, combined fertilizers applied to the soil could significantly boost N_2O emission.
在施常量有机肥的基础上混施化肥能显著增加土壤N_2O的排放量。
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