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data station
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  数据站
     Method for transferring data from PE-240C elemental analyzer 240 data station to PC
     PE-240C元素分析仪240数据站向PC机传输数据的方法
短句来源
     A method for transferring data from PE-240C elemental analyzer 240 data station to PC is described.
     介绍了PE公司240C型元素分析仪240数据站向PC机传输数据的方法。
短句来源
     The Microcomputer Data Station of Analytical Instrument
     分析仪器微机数据站
短句来源
     The encryption of control program of PE-240C elemental analyzer was studied. Based on the analysis of fixed partition memory management technology of 240 data station, the machine codes of
     在分析 PE- 2 4 0 C元素分析仪 2 4 0数据站固定分区内存管理技术的基础上编制程序 ,得到 PE- 2 4 0 C元素分析仪控制软件编程语言 PETOS BASIC的关键字和数学、关系、逻辑运算符号的编码方法 ,从而对 PE- 2 4 0 C元素分析仪控制软件进行解密。
短句来源
     Developrnent of Infrared Spectrum Data Station
     红外光谱数据站系统研制
短句来源
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  卫星数据站
     Discussion of the VSAT Data Station Equipment Maintenance Methods
     VSAT卫星数据站的故障模式和维修方法
短句来源
     Method Analysis on Satellite Data Station to Contact With Aether Network
     卫星数据站接入以太网的方法分析
短句来源
     The IBM-PC microcomputer could be established as a NMR data station when it was implemented with a data processing software.
     特别是在IBM-PC上配备数据处理程序后,它即可成为谱仪的卫星数据站
短句来源
  “data station”译为未确定词的双语例句
     THE EXTENDED APPLICATION OF DATA STATION OF THERMAL-ANALYSIS INSTRUMENT
     热重仪中DATA STATION的扩展应用
短句来源
     In this paper, the normal coordinate calculations of cluster complex MoFe_2 (μ-t-BuS)_4 (CO)_8 and pyridine-metal chlorides Py_2MCl_2 (M=Fe, Mn, Ni and Cu)have been carried out on PE-3500 data station, a data processing system for the IR spectrophotometer, and the results obtained are comparatively satisfactory.
     本文在PE-3500数据站上对金属原子簇络合物MoFe_2(μ-t-Bus)_4(CO)_8和吡啶金属氯化物Py_2MCl_2进行了简正坐标计算,得到了一些定性的有用信息和规律。
短句来源
     The scientific plotting software package has been worked out on PERKIN-ELMER TADS-3600 thermal nalysis data station.
     在美国 PERKIN-ELMER 公司 TADS-3600热分析数据站上编制了科学绘图软件包.
短句来源
     This paper studies IR-spectrum character of heroin, its counterfeit and additional ingredient, based on heroin stan dard spectrum at PE 983GIR-PE7500 data station.
     本文在PE983GIR-PE7500数据站上以海洛因标准光谱图为准,研究了海洛因真伪及掺假成分的红外光谱特征.
短句来源
     The Study and Manufacture of High-resolution MS Data Station
     高分辨质谱数据系统的研制
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  data station
A dual electrochemical (+ 800 mV) and Spectrophotometric (334 nm) detection system with a computerized data station was employed to measure the above compounds in the effluent.
      
The operator dialogue is achieved through the Perkin-Elmer Data Station to simplify the use of the equipment.
      
In 1999 the Ferry-Box achieved reliable operation with a data return over 95%, for the fixed data station the return was 92%.
      
For comparison a data station which measured the same variables was operated at a fixed site in the estuary.
      
A software package for the evaluation of Zeeman AAS data using a Perkin-Elmer model 3600 data station
      
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The compositions of nystatin from different sources including International standard, Chinese working standard and samples of nystatin from manufacturers both inside and outside China were compared by using HPLC.Eight to ten peaks were obtained. The peak areas were processed with Sigma 10 Chromatography Data Station. From the chromatograms, the main components as well as their peak areas of all Chinese samples including Chinese working standard for nystatin differed from those obtained from some foreign...

The compositions of nystatin from different sources including International standard, Chinese working standard and samples of nystatin from manufacturers both inside and outside China were compared by using HPLC.Eight to ten peaks were obtained. The peak areas were processed with Sigma 10 Chromatography Data Station. From the chromatograms, the main components as well as their peak areas of all Chinese samples including Chinese working standard for nystatin differed from those obtained from some foreign countries.The main components of Chinese working standard for nystatin were peak 9 and peak 13 with peak areas of 55% and 20.1% of the total area respectively, while the main component of International standard for nystatin was peak 11 with peak area of 81% of the total area.The nystatin made in China was obtained from Actinomyces noursei isolated from soil in Guangdong. The nystatin obtained from foreign countries was from Streptomyces noursei. This might account for the difference in the HPLC results.Samples were subject to careful purification with HPLC using a semi-preparative column. The eluents collected were lyophilized and the purified samples from Chinese working standard for nystatin were assayed according to current Chinese Pharmacopoeia. The potency found with the purified sample from peak 13 (nystatin C_2) was 10,800 u/mg (±4.4%), whereas purified sample from peak 9 (nystatin C_1) gaves potency estimated much lower than the parent material.HPLC conditions:For analytical purpose: Column ODS-HC SIL-X-1, 0.26×25 cm; mobile phase MeOH—H_2O (68:32)) flow rate 1.3 ml/min; UV detector at 304 nmFor preparative purpose: Column 10 μm Nucleosil ODS, 0.7×25 cm; flow rate 5 ml/min; the rest of the conditions was same as above.

本文用高效液相色谱法分析了国内外12批制霉菌素,其中包括中国和国际标准品。固定相为10 μm ODS,流动相为甲醇—水(68∶32),流速1.3 ml/min,紫外检测波长为304 nm。制霉菌素可分得8~10个色谱峰。分析结果表明中国制霉菌素的主要组分及其相对含量与外国制霉菌素不同。以HPLC法进行分离制备,收集后的单一组分按中国药典一九七七年版进行初步的效价测定,其中一个主要组分的效价比中国制霉菌素标准品高一倍多。

This paper describes a method of measuring peak-height with a computer program for single component quantitative analysis in infrared spectroscopy. A horizontal baseline is used to measure the value of absorbance of an analytical band. By incorporating with Perkin-Elmer 783 IR and using some operating commands in 3600 Data station, and on the basis of the function key OBEY,an OBEY program is designed for quantitative analysis in infrared spectroscopy. The program can deal with the data from three...

This paper describes a method of measuring peak-height with a computer program for single component quantitative analysis in infrared spectroscopy. A horizontal baseline is used to measure the value of absorbance of an analytical band. By incorporating with Perkin-Elmer 783 IR and using some operating commands in 3600 Data station, and on the basis of the function key OBEY,an OBEY program is designed for quantitative analysis in infrared spectroscopy. The program can deal with the data from three input methods: (1) Data from Instrument; (2) Data from Disk; (3) Data from Keyboard. Two samples of organic compound are determined by the program. The results show that this program has high flexibility, wide suitability, fine repro-ducility and satisfactory accuracy.

本文就单组份红外光谱快速定量,吸光度的测定采用基线法。利用Perkin-Elmer 783IR及3600 Data Station(数据站)本身的一些操作命令,在原OBEY功能的基础上,设计了一套OBEY定量程序,使之能广泛适用于来自仪器、磁盘、键盘三种输入方法的数据。经实际样品多次测定,表明本程序有应用灵活,适应性广,重复性好、准确性较高的特点。

For safety,reliability,high efficincy and multiple,this paper proposes aradio data local area network being constructed by synchronous code divesionmultiple access spread spectrum communication.Using a Radio chenneltransfer unit and the orthogonal code spread spectrum communication,a fullydistributed collision free data network can be formed by ring zone construc-tion.In this paper,it is presented that the relationship among the code length,the number of data stations and transfer rate.Under...

For safety,reliability,high efficincy and multiple,this paper proposes aradio data local area network being constructed by synchronous code divesionmultiple access spread spectrum communication.Using a Radio chenneltransfer unit and the orthogonal code spread spectrum communication,a fullydistributed collision free data network can be formed by ring zone construc-tion.In this paper,it is presented that the relationship among the code length,the number of data stations and transfer rate.Under the condition of a fewstations and ring width≦1km,good maximal bit error rate is obtained.Thisrate will be lower since the time delay compensation techniqne is applied.

为了无线数据通信网的安全、可靠、高效率和多用户,本文提出用同步码分多址的扩频通信方式建网.用一个频道转发器,采用环状结构,利用正交编码进行扩频通信,构成无冲突的、各站收发可同时进行的分布式数据网.本文给出了扩频码长、网中站数和数据传输率的关系.网中数据站不多、环状宽度≤1km 时,达到较好传输特性.采用环状分层和扩频码相位延迟补偿枝术,数据站数和环状宽度可不受限制,平均最大误码率也低.

 
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