This article expounds the application and characteristics of portable samplers of bar code in the automatic management of the book purchase, and points out the problems of the sampler in the book purchase. 文章论述了便携式条码数据采集器特点及其在图书采购工作中的应用,进而提出采集器在现购中存在的问题。
During the22nd Chinese Antarctic Research Expedition, the aerosols in the marine boundary layer along the R/ V Xuelong cruise route were collected using high volume samplers. 在中国第22次南极考察过程中,采用大容量悬浮颗粒采样器收集了雪龙船航线海洋边界层气溶胶样品。
Bed material samplers, as first developed, may be divided into three types. 最初的河床质取样器有三种类型。
Through its brief history, hip-hop has gone from just two turntables to samplers and live musicians; 在他短暂的历史中,嘻哈文化从仅有两个唱机转盘发展到了混音器和现场演奏的乐手;
Analysis on Internal Sealing Technologies of Hydrate Pressure Temperature Core Samplers 天然气水合物保真取心装置内部密封技术分析
Theoretical analysis of disturbance of soils caused by penetration of soil samplers 取土器贯入土体引起土体扰动的理论分析从敌人手中取得的土地
Evaluation of the sampling efficiency of bioaerosol samplers by the aerosol generating method 应用气溶胶发生法评价空气微生物采样器采样效率
The paper analyses the problems existed in the traditional samplers, expounds the working principles and characteristics of newly developed sampler without valve. Its performance has been tested and analyzed. 分析了传统取样器存在的问题,阐述了新型无阀门取样器的工作原理与制造工艺特点,并对其性能做了试验分析认定。
Inertial impactor is one of the most important particulate samplers, which is widely used for the atmospheric particulate classification. 惯性冲击器是最重要的颗粒物采样器之一,被广泛用于大气颗粒物的分级采样。
Influence of samplers on total oxygen content of liquid steel in tundish during continuous casting 取样器对连铸中间罐钢水总氧含量的影响
A Laboratory Study on Gravel Bed-load Samplers 卵石推移质采样器试验研究
This provides a basis for the manufacture and improVement of thin-wall soil samplers. 为制作与改进薄壁取土器提供了依据。
Comparisons were also made between results obtained by personal samplers and location sampler. 文中还给出了个人采样器和固定采样器监测结果的比较。
Researches in air-flow pulsating of individual breathing powder samplers DUST EXPLOSION 呼吸性粉尘个体采样器气流脉动的研究
According to the author's experiences on using and maintaining the facility, the article introduces the problems of utilization of TH880 ⅳ style intelligence fume samplers, and gives us some settling methods and suggestions. 根据作者在仪器使用和维修过程中的一些经验,介绍TH880Ⅳ型智能烟尘平行采样仪在实际应用中遇到的问题,并提出相应的解决方法及建议。
The integration time constant of the improved samplers was about 4 3 days. 改进后采样器的积分时间常数约为4.3d。
Application of Water Samplers with Equal Proportion in Total Amount Monitoring 水质等比例采样器在总量监测中的应用
Simultaneous Determination of Nitrogen Dioxide and Sulfur Dioxide in the Air by Passive Individual Samplers 被动式个体采样器在监测空气中NO2和SO2浓度中的应用
A kind of horizontal straight-neck, double-bottle mouth portable water samplers was designed. It was simple in structure and operation, and was easy to clean and to continuously connect sampling staff. 设计了一种具有结构简便、操作方便、易于清洗和采样杆可续接的直颈双口卧式便携水样采集器。
Field Comparisons of Bed Load Samplers from USA and China Design of the Valve for Sediment Sampler 中国和美国的推移质泥沙采样器野外比测试验
The paper describes the structure, working principle and feature parameter of all spudding type, pressure type, shooting type and suction type subsea samplers. 介绍了多种型号的冲击打入式和振动式海底取样器的结构、工作原理和性能参数;
This paper introduces the structural principle and technical parameters of CB and ZB type thin& wall soil samplers. 本文介绍了CB、ZB型薄壁取土器结构原理及技术参数。
The relation of 1-hydroxypyrene in urine with ambient PAHs was investigated with several groups of volunteers carrying personal air samplers and stationary samplers. 本文对不同采样点人尿中的1-羟基芘含量和受试人携带的个体空气采样器中以及所在环境中固定采样器中多环芳烃的浓度进行了测定。
It simulates the wind erosion of soil samplers treated by different PAM with the actions of non-sand-driving wind and sand-driving wind under the conditions of different slopes and different wind speed of surface. 利用室内风洞试验装置模拟了不同地面坡度、不同地表风速、不同PAM处理的土样在净风和挟沙风作用下的风蚀情况。
With upland small forest watershed in Japan as the objective, the relationship between discharge and flood processes of suspended sediment were researched using automatic samplers ( ISCO) and water-stage recorder. 以日本山地源头森林小流域为研究对象,利用泥沙自动取样器和自计水位计,研究了悬移质泥沙的输出过程及其与洪水过程间的关系。
Diffusion type samplers for collecting uncombined radon daughters 用于收集未结合态氡子体的扩散型取样器
It is of great important to monitor trace poisonous organic substance, while the traditional approach can not meet the requirements. It cries for high efficient, economic and selectable sampling techniques and its coordinated pretreatment and analysis methods for samplers. 痕量有毒有机物的监测意义重大,传统方法难以达到要求,迫切需要发展高效、经济、有选择性的采样技术,以及与之配套的样品前处理和分析方法。
In recent decades, the researchers designed a variety of hydrological sampling water samplers, which have prevalence defects as follows: labor-intensive, short underwater communication distance, and imprecise depth measurement. 近几十年来,研究人员设计了多种水文采样采水器,但普遍存在着劳动强度大、水下通信距离短、水深测量不精准等缺陷。
At last, we use a lot of samplers to test recognition system, and get a satisfied result. 最后用大量样本进行测试,取得比较满意的效果。