QR码,QR code
1)QR codeQR码
1.Encoding of QR code with the method of object oriented programming;QR码编码的面向对象设计及实现
2.QR code recognition system based on the Symbian smartphone;基于Symbian智能手机的QR码识别系统
3.Coding and Application Study of QR code in Industrial Printing;工业打印中QR码的编码及应用研究
英文短句/例句

1.Analysis of 2D Bar Code-QR Code and Design of It s Coding and Decoding;二维条码QR码的分析和编解码设计
2.Recognition and decoding of QR code based on Symbianmobile phone基于Symbian手机的QR码的识别和解码
3.QR Code on the Application of Storage Management System Design;基于QR码应用的仓库管理系统设计
4.Study and Implementation of QR Code Image Recognition Based on DSP基于DSP的QR码图像识别研究与实现
5.Image Analysis Method for QR Code's Automatic Recognition用于QR码自动识读的图像分析方法
6.A Method of QR Code Image Pre-Processing Based on the Surface Fitting基于曲面拟合的QR码图像预处理方法
7.Recognition algorithm of QR code for embedded systems适用于嵌入式系统的QR码识别算法
8.Design and Realization of the QR Code Recognition System Based on the Embedded System基于嵌入式的QR码识别系统的设计与实现
9.Research and Realization of Embedded QR Code Recognition System Based on Image Processing;基于图像处理的嵌入式QR码识别系统的研究与实现
10.Image Recognition in 2-D Bar Code Based on QR CodeQR Code二维条形码的图像识别
11.Thoughts on QR Datamatrix and Its System Application浅谈二维条码QR及其系统应用构想
12.QR Method for Elasto-Plastic Analysis of RC Shear Walls;钢筋混凝土剪力墙弹塑性分析的QR法
13.QR-Method for Geometrically Non-Linear Dynamic Analysis of Network Shell Structure;网壳结构几何非线性动力分析QR法
14.QR-Method for Static and Danamic Analysis of Box Arch Bridges;箱形拱桥静力分析与动力分析的QR法
15.QR-METHOD FOR GEOMETRIC NONLINEAR DYNAMIC ANALYSIS OF TALL FRAMES;高层框架几何非线性动力分析的QR法
16.The Structure Analysis of Semiseparable Matrices and QR Iterations;Semiseparable矩阵结构分析及QR迭代
17.Application of QR Decomposition Techniques in Recursive System Identification;QR分解技术在递推系统辨识中的应用
18.A Real-time Linux System to Support QoS Called QR-Linux;支持QoS的实时Linux系统QR-Linux
相关短句/例句

quadric-residue code二次剩余(QR)码
3)2-D bar code based on QR CodeQR Code二维条形码
1.The thesis firstly has presented the technologies of QR code,and then has given a solution of the image recognition in 2-D bar code based on QR Code.文中介绍了QR Code二维条形码的技术,给出了基于数字图像处理的QR Code二维条形码的识别方案。
4)Quick Response(QR) code快速响应矩阵码(QR)
5)QR-methodQR法
1.QR-method for system reliability analysis of large size complicated structures;大型复杂结构体系可靠度分析的QR法
2.The QR-method for Mega-frame With Suspension And It s Analysis of Stabi I ity;巨型框架悬挂结构的QR法及其稳定性分析
3.The realization of QR-method in MATLABQR法在MATLAB中的实现
6)QR methodQR法
1.Spline QR methods for discontinue construction;非连续性结构的样条QR法
2.QR method for elasto-plastic analysis of shear walls Ⅱ——Computing format,program and a calculation example;剪力墙结构弹塑性分析的QR法Ⅱ——计算格式、程序及算例
3.QR method for elasto-plastic analysis of shear walls Ⅰ——displacement function and constitutive model;剪力墙结构弹塑性分析的QR法Ⅰ——位移函数及本构模型
延伸阅读

2-chloro-1-phenylethanone [qr]CAS: 532-27-4 分子式: C8H7ClO 分子质量:154.59 沸点: 244-245℃ 熔点: 52-56℃ 中文名称: 2-氯苯乙酮;α-氯代苯乙酮;苯酰甲基氯;氯乙酰苯;ω-氯代苯乙酮;氯代乙酰苯;苯基氯甲基甲酮 英文名称: 2-chloro-acetophenon;"tear gas" [qr] ;1-chloroacetophenone [qr];2-chloro-1-phenylethanone;2-chloro-1-phenylethanone [qr];2-chloroacetophenone 性质描述: 白色或浅黄色结晶。熔点54℃(56.5℃),沸点244-245℃,139-141℃(1.86kPa),相对密度1.324(15/4℃)。溶于乙醚;乙醇;苯;氯仿等,不溶于水。能随水蒸气蒸馏。生产方法: 1.由苯乙酮氯化而得:将苯乙酮加入反应锅,通入氯气,在60-70℃下反应,通氯后升温至80℃,减压蒸去低沸物。冷至5℃以下,静置48h,析出结晶。过滤得氯代苯乙酮。收率70%。2.由氯乙酰氯与苯反应:将二氯亚砜加入氯乙酸中,搅拌回流3h,蒸馏出粗品,将其与二硫化碳混合,慢慢加入苯;无水三氯化铝和二硫化碳的混合液中,温度不超过50℃,一般保持在30℃以下,加完后加热回流3h,静置,倒入冰水及稀盐酸溶液,过滤吹干,用稀乙醇重结晶两次,所得产物减压蒸馏即得成品。用途: 该品用于有机合成,在医药上用于合成盐酸四咪唑等。