time of exposure

The biological effects of laser irradiation depend on wavelength, power, time of exposure and irradiation dose or fluence.

激光辐照的生物效应取决于激光的波长、功率和照射剂量等。

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secondly, the time of exposure of ccd must be synchronized with the image signal from the screen, which makes the system need nine ccds altogether to measure the whole screen quickly and the ccds must synchronize each other.

CCD曝光时间必须与被测屏的图形信号同步，为全屏快速测量，至少需要九个CCD，它们之间亦需要同步。

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It is proposed to decrease exposure time of mining excavation to minimum and fill the excavation quickly using new filling method for security.

为确保采矿安全，减少采场空顶时间，采用了强采快充方法，并提出了快速充填具体办法。

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objective to introduce modelling the relationship among dose, time of exposure and risk in the prospective cohort study.

目的介绍分析暴露、时间和效应之间相互关系的模型在前瞻性队列研究中的应用。

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Lifelong exposure to green space in the living places was recorded — using the information on the children's addresses from birth up through to the time of the study.

通过记录孩子从出生到研究期间的住址信息，他们在生活环境中终生接触绿色空间的情况得以记录下来。

中考真题- 2018 北京 阅读C

ultrasound-assisted gene delivery is associated with the parameters of ultrasound exposure, such as mechanical index, pulse repetition frequency, time of exposure, and so on.

超声的此种特性，与超声的照射条件，如机械指数、脉冲重复频率、照射时间等有关。

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At the same time of exposure, two methods showed that DNA damage about tail length, tail moment and olive tail moment, was basically consistent.

在相同暴露时间内，同一H2O2浓度下DNA损伤从尾长、尾距、Olive尾距上保持一致。

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electrocardiogram ( ecg), heart rate ( hr), blood pressure ( bp), cerebral blood flow ( cbf) and time of exposure were monitored during lbnp.

在下体负压（LBNP）作用时，同步记录心电图、心率、血压、脑血流量、负压暴露时间。

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the biological effect of infrasound is determined by frequency, sound pressure level and the time of exposure to infrasound, etc. what is more, it has something to do with the biophysical and biochemical properties of the organism itself.

次声的生物学效应取决于次声的频率、声压级水平、次声作用时间等参数，并与生物体本身的生物物理学、生物化学等特性有关。

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With the extension of exposure time, total haemocytes density decreased significantly.

随着染毒时间的延长，总血细胞的密度显著下降。

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the condition of obtaining ideal holography photo lies in that the small difference of optical route, the beam angle of reference and substance light being 20 °-30 °, time of exposure being 3s-6s and time of development being 30s-40s.

获得理想的全息照片的条件：光程差较小，参考光束与物光束的夹角20°～30°，曝光时间与显影时间分别取3～6s和30～40s。

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conclusion plasma ang ⅱ in rats vary regularly with time of exposure to infrasound.

结论次声作用后，大鼠血浆内AⅡ含量随次声作用时间的不同而呈不同的规律性改变。

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conclusions: the demonstration of distal vessels and collateral circulation in lower limbs with arterial obstructive diseases can be improved by increasing dosage of contrast agent, placing the catheter nearer to the lesion, and using accurate delay time of exposure.

结论：对下肢动脉阻塞性病变，增加造影剂用量、近病变处注射造影剂，使用准确的延迟时间，可提高阻塞病变远端血管和侧支循环的显示率。

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an exposure control instrument for holograph is designed, which can automatically adjust the object/ reference light intensity ratio and the time of exposure in holograph to the best value by liquid crystal light valve ( lclv).

设计了通过液晶光阀自动调整全息照相物光和参考光辐照比至最佳状态，同时能实现曝光时间自动控制的控光仪。

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the eel represents a cumulative exposure limit taking into account both the time of exposure and the concentration at which the exposure occurs.

EEL代表了一个既考虑了暴露时间又考虑了暴露发生时的浓度的累积的暴露极限。

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conclusion the degree of neuron damage was obviously slight at the time of exposure to+ 10 gz/ 5 min again after repeated+ 4 gz/ 3 min 3~ 5 times.

结论+4Gz/3min反复锻炼3次和5次，再暴露于损伤强度的+10Gz/5min，其神经元损伤程度明显轻于+10Gz/5min单次暴露。

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there was closely relationship between the degree of contraction of the cell and the dosage and duration of emodin. conclusion: emodin induced the contractile effects of smooth muscle cells of rat stomach. the contractile effects associated with the dose and time of exposure.

结论：大黄素对大鼠胃平滑肌细胞具有收缩作用，且大黄素对平滑肌细胞的收缩作用与其浓度和作用时间密切相关。

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in this paper, the experiment condition of holograph was studied in four aspects, the time of exposure, development of the difference of optical route, the beam angle of reference, and substance light.

从全息照相的曝光时间、显影时间、光程差以及参考光速与物光束的夹角四个方面对全息照相实验条件进行了研究。

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We found taking vitamin C drugs ( at least six months)、 time of exposure to the sun 、 the partial eclipse 、 family history was significant in statistics ( P0.05). 1.

调查发现平时服用维生素C类药物（至少半年）、日晒时间、偏食以及有家族史在统计学中有统计学意义（P0.05）。

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And there are some in the financial world who argue that the direct effects of a grexit would now be limited because banks have had the time to cut their exposure to Greece.

金融界也有人认为，现阶段希腊退出欧元区的直接影响有限，因为银行业此前已有机会缩小对希腊的风险敞口。

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in this study the effects of concentration of srcl 2, duration time of exposure to srcl 2 and oocyte age on the parthenogenetic activation of mouse oocytes were studied.

以昆明小鼠为试验对象，研究了氯化锶（SrCl2）浓度、激活处理时间以及卵龄对卵母细胞SrCl2孤雌活化的影响。

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in order to accomplish the high-quality surface image capture of red steel, the control parameters of image capture software are debugged, such as the width of the pixel, the time of exposure and the acquisition frequency.

调试了图像采集软件部分的控制参数，对像素宽度、曝光时间、采集的频率进行了反复测试，以完成高质量的红钢表面图像采集工作。

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Using NSES to adjust nuclear tools, the exposure time of radioactive sources can be decreased by ten times, and the harm to operators is decreased greatly.

使用NSES可以成十倍地减少调试操作时的放射性同位素源曝露时间，降低对工作人员身体的危害。

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