查询词典 nephelometer

The measuring mechanism of diffusion nephelometer and methods for its improvement were studied,the result of which shows that the diffusion nephelometer using a new-type monochromatic electronic light source and provided with a luminous intensity stabilizing circuit is featured by high accuracy and sensitivity in case of narrow range of NTU,with good linearity up to 100 NTU,without frequent adjustment of zero point an

探讨散射式浊度仪的测试机理和改进方法。测试结果表明，采用新型单色电子光源和配备发光强度稳定电路的散射式浊度仪具有低浊度范围准确性和灵敏度高，至100NTU线性好，不须经常调整零点和重新标定，耗电量少，光源寿命长和抗色度干扰能力强等特点，适用于水厂提高滤池效果和监测出水水质。

Nephelometer method was used to measure A value of culture medium in the different incubation conditions.

采用比浊法测定不同培养条件下变形链球菌luxS基因缺陷株培养液的吸光度A值。

Feedback the signal of nephelometer, it proposes a new way to construct ESP on-line supervising-control and diagnoses system.

以电厂静电除尘器为研究对象，依据模糊控制原理和专家控制思想，设计实现了静电除尘器实时专家监控操作平台系统。

Continuous observation of atmospheric aerosol scattering properties was conducted from 17 December 2005 to 14 February 2006 in Taiyuan using the Integrating Nephelometer.

利用积分浊度仪于2005年12月17日－2006年2月14日对太原市区气溶胶散射特性进行了观测分析。

Two instruments for measure of atmospheric aerosol extinction coefficients characteristics were introduced,one is forward scatter visibility sensor,and the other is three-wavelength integrating nephelometer.

对比分析了两种设备测量结果，为提高探测精度，将两种仪器的测量结果放在一起进行了研究，获得了满足特殊试验要求的第一手数据，夏秋两季的能见度较高时，平均能见度的最大值超过10000m。

The scattering and absorption coefficient values measured by the D-OPC were compared with that measured by an Aethalometre and an Integrating Nephelometer.

与TSI公司黑炭仪和浊度计测量的吸收系数和散射系数对比表明，双散射角光学粒子计数器测量气溶胶折射率和谱分布结果合理，测量误差0%，可以满足同时测量气溶胶粒子谱分布和折射率的需要。

Methods The level of CEA, Pro-GRP, CYFRA21-1 and β 2-MG in serum were determined by using electric chemistry irradiance, enzyme-linked immunosorbent assay and immunity nephelometer respectively in 115 patients with lung cancer,41patients with benign lun...

分别采用电化学发光法、ELISA法和免疫浊度法测定115例肺癌、41例良性肺病患者和50例健康献血员的血清CEA、Pro-GRP、CYFRA21-1及β2-MG水平并作对比分析。

Because of the phenomenon, the impact of particulate matter light scattering to visibility is discussed, based on particulate matter light scattering b(subscript sp measured by a nephelometer (M9003) and contamination concentration and meteorological data.

就近年来天津市能见度逐渐降低的现象，利用M9003浊度计并辅以同期观测的污染物浓度和气象因子资料，考察了颗粒物散射消光对能见度的影响。

Atmospheric optics ; Aerosol optical characteristics ; Visibility sensor ; Integrating nephelometer

大气光学；气溶胶光学特性；能见度仪；积分浊度计

Oenococcus oeni was used as experimental material to count its number with three methods of colony counting method, nephelometer method and spectrophotometer method respectively.

以酒酒球菌为试验材料，分别用平板计数法、浊度计法、分光光度计法进行计数，所得的细胞数分别与对应的NTU值、OD值建立回归方程，方程分别为y=(0.0913+3.0075x)×107；y=(73.561x-4.8994)×107。

According to our present broadcasting situation,the thesis proposes using new technology to update and reform the present HFC. It also suggests broadcasting using self-advantage and arranging EPON in order to win the supermarket.

论文从我国广电的现状出发，结合实际，积极倡导采用新技术更新、改造我国现有的HFC网络；倡导广电现阶段利用自身优势，部署EPON网络来赢取市场。

A new general kinetic equation was derived in which the effect of the removal of condensation water was taken into account completely, and was applied to the polyesterification kinetic study of AA/HPHP and AA/NPG. It was found that the reaction order of self-catalyzed polyesterification was not constant. For these polyesterifications, the reaction order was 2.5 at a low temperature, while 3.0 at a high temperature.

考虑缩合水的排除对反应体系的影响，用体积浓度单位推导出一个新的聚酯反应总包动力学方程，并应用到AA/HPHP和AA/NPG两个聚酯化反应的动力学研究中，研究发现，自催化聚酯反应的反应级数并不是固定值，对于AA/HPHP和AA/NPG两个聚酯化反应而言，低温时反应级数为2.5，高温时反应级数为3.0。