查询词典 spectrometer

Objective To establish Atomic Fluorescence Spectrometer and Atomic Absobing Spectrophotometer method for the determination of As 、 Hg 、 Pb 、 Cd 、 Cu remain content in Flowers of Eriobotrya japonica Thunb.

目的：建立原子荧光光谱法和火焰原子吸收光谱法测定枇杷花中重金属残留量的方法并比较不同产地枇杷花中 As 、 Hg 、 Pb 、 Cd 、 Cu 等五种元素的含量。

The absorbency changes of both thiol and vinyl functional group were monitored independently by FTIR spectrometer during vinyl silazane photopolymerizing with ethanedithiol, Based on the results,the kenitics of reaction was studied and the convertion of both thiol and vinyl functional groups were investigated.

采用傅立叶变换红外光谱法跟踪巯基和乙烯基吸光度的变化，跟踪测定了光聚合反应过程中巯基和乙烯基的转化率，研究了乙二硫醇/乙烯基硅氮烷体系的光聚合反应动力学。

The experience of gasless laparoscopic surgery using Home-made Abdominal-wall-take-up;2. A home-made capillary interface has been coupled with a high resolution orthogonal-injection time-of-flight mass spectrometer.

介绍了一种自制的毛细管真空接口，用于连接电喷雾离子源(electrospray ionization，ESI)与自制高分辨率垂直引入式飞行时间质谱仪，初步研究了该接口对仪器灵敏度的影响。

PAAS was selected as dispersant to evaluate the dispersion stabilization of SiO2 nanoparticles by a diffraction-based laser granulometric analyzer and identify the state of adsorption of the dispersant on the surface of nanoparticles by an IR spectrometer.

选择了聚丙烯酸钠作为分散剂，并通过激光粒度分析仪对纳米颗粒的分散稳定性进行评价，通过红外光谱仪对分散剂在颗粒表面的吸附状态进行识别。

Zinc and body fat contents were determined by stomic absorption spectrometer and gravimetrically, respectively.

锌浓度及体脂肪含量分别以原子吸收光谱仪及比重法测定。

ShangHai JunLong Forging Co., Ltd has established a strict quality assurance system and boasts advancdeinspecting and testing equipment, such as DV-4/26 elements, 30 channels spectrometer form BAIRD Comp. U.S.A., Analyzer for C.S.O2.H2 AND N2 from LECO COMP.U.S.A, 400KV X rays Detectorscope from U.S.A. Huse Comp, And large view microscope from Germany and austria, etc, the factory has the manufacturing license of pressure-resistant equipment for nuclear power station.

上海君隆锻件有限公司有一套严格的质量保证体系和较完善的现代检测设备，如美国贝尔德公司DV-4形26元素30通道直读光谱分析仪，美国力科公司碳、硫、氧、氢、氯分析仪，美国休斯公司钴60～100居里Υ射线探伤仪，菲力浦公司400KVχ射线探伤仪，以及奥地利、德国大视场金相显微镜等，还具有核电承压设备的生产制造许可证。

Spectrometer was adopted to measure the emission spectrum of argon plasma jet at the ignitor exit; boltzmann curve slope method was applied to caculate the jet electron temperature; ionization equilibrium equation was used to caculate jet temperature and measured a law that length, electron temperature and jet temperature of ignitor exit jet length changed with arc current and flowrate.

采用光谱仪测量了氩气等离子体射流在点火器出口的发射光谱，利用玻尔兹曼曲线斜率法计算了射流的电子温度，并通过电离平衡方程计算了射流气体温度，测得了点火器出口射流的长度、电子温度和射流温度随弧电流以及流量的变化规律。

In recent years, although multichannels (more than 256) gamma ray spectrometer has been made overseas, field gamma ray spectrometric survey is only used to determine contents of uranium, thorium and potassium, by reason of applying gamma ray spectrometry later than developing instruments, can't obtaining full spectrum because of the problem of stabilizing gamma ray spectrometric peaks, and it is impercipient for field gamma ray spectrometry.

作者分析了国内外野外地面伽玛射线全谱测量存在的问题主要是：（1）目前国内外野外地面伽玛能谱测量中主要使用四道能谱仪，仅利用能量大于1000keV的伽玛射线，通过数个谱段的读数结果，计算铀、钍、钾的含量，而没有利用伽玛射线全谱，使80％以上的伽玛射线能谱信息摒弃未用。

Aiming at the established three-layer infrared radiative transfer model of pollution cloud, the infrared radiative spectra of the pollution clouds at different concentrations were simulated with the field background spectra (that are measured by Fourier transform infrared spectrometer) and every interferent radiative spectrum as the basic radiative data.

当模型考虑干扰物和背景辐射的变化影响时，污染云团在810cm-1，920cm-1和1040cm-1波段上的光谱特征明显减弱。

Aiming at the established three-layer infrared radiative transfer model of pollution cloud, the infrared radiative spectra of the pollution clouds at different concentrations were simulated with the field background spectra (that are measured by Fourier transform infrared spectrometer) and every interferent radiative spectrum as the basic radiative data.

结果表明：利用实测场地背景辐射光谱和该模型仿真污染云团DMMP红外光谱，光谱在810cm-1，920cm-1和1040cm-1波段上有明显的特征峰。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。