• 相关机构报道说,环保机构收集黄石河泄漏下游房间空气样品

    The Associated Press reports the Environmental Protection Agency will collect air samples from the insides of households located downstream from where the spill occurred on the Yellowstone River.

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  • 进行过空气采样包括石棉二氧化硅霉菌金属空气样品

    He collected air samples including asbestos, lead, silica, mold, and metals.

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  • 维斯必须蒸馏加热使空气样品通过吸附剂除去二氧化碳氪等会污染灵敏探测器气体

    Weiss had to distill, heat and pass the air samples over adsorbents to remove gases such as carbon dioxide and krypton that could foul the extremely sensitive detector.

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  • 采集建筑材料表面样品真菌细菌生长可能性进行评估,采集空气样品确定生存真菌细菌以及不可生存真菌浓度

    Collect surface samples from building materials to assess fungal and bacterial growth potentials, and air samples to determine concentrations of both viable and nonviable fungi, and viable bacteria.

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  • 介绍实验室方法——自然降压法,结合实验数据,给出一个测量非饱和湿沥青样品空气渗透系数的方法。

    This paper develops a model for measuring air permeability of partially saturated asphalt samples using falling-pressure method in laboratory introduced by Li et al.

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  • 目前被动式取样国外取得了广泛应用,基于气体分子扩散渗透原理采集空气中氚化水蒸汽( HTO)样品的一种方法。

    Presently, passive HTO samplers are being widely used abroad. It samples HTO in air based on the principle of gas molecular diffusion and permeation.

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  • 阐述国家标准样品空气监测系统量值溯源中的重要作用。

    The article was discussed that national standard samples acted importantly on magnitude headward of air automatic monitoring system.

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  • 通过样品采集洗脱、消化水解、条件试验抗干扰试验,证实本法准确测定空气微量尿素含量

    Through collecting, dehydration, conditioned test and anti-jamming test of the sample, the content of trace urea dust in the air can be exactly determined by way of such technique.

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  • 这个无意识的空气缺口足够阻止样品变压器发生饱和

    This unintended air gap was enough to keep the sample transformers from saturating.

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  • 新鲜空气水平样品非循环系统取样可能误吸的任何液体堵塞

    When sampling at the level of fresh gas delivery in non-rebreathing systems. The sampling line can become obstructed by condensation drops or aspiration of any fluids.

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  • 利用脉冲激光束轰击金属样品表面时在周围空气激发光声信号研究激光烧蚀

    Laser ablation of pure copper was investigated using photoacoustic signals excited in surrounding air when a pulsed-laser beam impinges a metallic surface.

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  • 有机滤膜采集空气颗粒物样品,用微波高压络合消解后制成样品溶液

    The particles in air were collected on the surface of the organic filtration, which was digested by microwave method under high pressure to prepare the sample solution.

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  • 采用空气氧化法制备了纳米级氧化铁颗粒,并用XRDTEM样品进行了表征。

    Nano-sized iron oxide yellow particles were prepared by air oxidation, and characterized by XRD and TEM.

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  • 结果,圆形样品测试两个型核部分没有完全紧,出现了不必要的空气缺口

    It turns out that, in the prototype samples we tested, the two pot-core halves were not completely pressed together, thus creating an unwanted air gap.

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  • 烘焙食品试样经灰化处理APDC DDTC MIBK体系萃取富集试液中的,利用空气乙炔火焰原子吸收测定烘焙食品样品铅的含量。

    Trace lead in baked food is determined by air-acetylene flame atomic absorption spectrometry (FAAS) with APDC-DDTC-MIBK as the extraction and preconcentration system after cineration process.

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  • 将岩心样品洗净烘干称重然后样品放到真空箱抽空其内的空气必要时充入CO2驱替空气)。

    A clean, dry sample is weighed and then evacuated for several hours in a vacuum chamber, flushing with CO2 to remove remaining air if necessary.

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  • 结束经过探查样品新鲜空气热交换仪器数量代表性的是重要的。

    It is important that the water sample passing over the probe is representative of the amount of ozone going to the heat exchanger equipment.

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  • 空气样品进行不同温度的退火处理。

    The samples prepared were annealed in air atmosphere at different temperatures.

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  • 尽管惰性气氛和还原气氛下焙烧样品有利于四方稳定,样品暴露空气后,表面四方相较转变为单相。

    But the tetragonal phase in the surface region transforms easily to monoclinic phase when the samples are exposed to air.

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  • 通过实验考察样品取样质量空气流速实验结果影响。

    The effects of mass of samples, air current velocity on test results were researched in the experiment.

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  • 方法 采集10个氧气湿使用前、中、后各部位样品进行细菌培养检查,同时对湿室内空气医护人员进行细菌培养检测采集患者液进行培养检查。

    METHODS Several parts of 10 oxygen moisture bottles, moistured water, ward air, and hands of doctors and nurses were detected by bacteriology methods, and the sputa of patients were cultured.

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  • 5分钟后,将样品沸水取出,用异丙冲洗,在空气晾干

    After approximately five (5) minutes, remove the coil from the boiling water, rinse with isopropyl alcohol, and allow to air dry.

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  • 样品放置一个空气干燥的圆形样品储存器内,得到X -射线衍射

    The X-ray diffraction pattern are obtained by placing the sample in a circular sample holder in a dry atmosphere.

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  • 传统常规方式,使作为分析对象样品受控地混入空气,造成样品质量严重失真;

    However, with traditional degasification method, the sample gas or the analytic target is commingled with the air that sneaks in, so the quality of the sample gas is distorted seriously;

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  • 过滤系统可同时进行多()个样品过滤,只需就可以完成全部操作,节省大量的时间,方便快捷。

    Manifolds provide vacuum support for filtration of single, three or six test samples simultaneous. only single vacuum source can help manifolds to finish the whole operation.

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  • 过滤系统可同时进行多()个样品过滤,只需就可以完成全部操作,节省大量的时间,方便快捷。

    Manifolds provide vacuum support for filtration of single, three or six test samples simultaneous. only single vacuum source can help manifolds to finish the whole operation.

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