refrigerant

Which is dissolving the low quality zinc oxide with R-solvent.

采用R溶剂溶解低品位氧化锌,放宽了原料的质量要求,采用间接法生产磷酸锌,改变了传统的直接法生产工艺,将磷酸锌生产的固-液反应改为液-液反应,缩短了反应时间,降低了生产成本,产品锌含量达到国际标准。

A Problem on the r adic Representation of Positive Integers;

关于r进制表示法的一个问题数码和问题的探讨

Research of Engineering Project Quality Control on -R Control Drawing

基于-R控制图的工程项目质量控制研究

Joint  and R charts with variable sample size and sampling interval;

可变样本容量和抽样区间的联合和R控制图

Control charts for averages and for ranges

GB/T4091.3-1983均值极差控制图(x-r图)

Control charts for medians and for ranges

GB/T4091.4-1983中位数极差控制图(x-r图)

Strengthening the Process Management\= in Cotton Textile Enterprises with X\|R and Pn Control\|chart;

用-R与P_n控制图强化棉纺织企业的过程控制

Bifurcation Analysis of R(?)ssler Chaotic System with Multiple Delays Feedback;

多时滞控制的R（？）ssler系统的分支分析

Research on R&D Management Control Modesin High-tech Enterprises;

高新技术企业R&D管理控制模式研究

Synchronization and Control of Chaos in R(?)ssler System

R(?)ssler系统的混沌同步与控制研究

Circuit realization and chaos control of Rssler system

Rssler系统的电路板实现及混沌控制

Control Platform Composed of Matlab and B&R PLC Based on OPC

基于OPC的Matlab与B&R PLC的控制平台

Research of Chaos Control and Anti-Control in H-R Neural Network

H-R神经网络的混沌控制和反控制研究

The Zero-divisor Graphs of R(+)M and R(?)I

R（+）M与R（？）I的零因子图

The R-Controllability of Linear Interval Descriptor Systems with Control Delay;

控制时滞线性时不变区间奇异系统的R-能控性

An Analysis of R&D Team s Governance Mechanisms based on R&D Performance Measurement and Control in High-tech Enterprises;

基于绩效测度与控制的R&D团队治理机制研究

{C_3, C_4}- and{C_3, C_6}- Mandatory Decompositions of Complete Multipartite Graphs K_r(t);

完全r部图K_r(t)的{C_3,C_4}-和{C_3,C_6}-强制分解

Research on Key Technology of Radio Resource Management and Control in GSM-R;

GSM-R无线资源管理与控制关键技术研究

Analysis on Error Control and Transmission Performance of GSM-R System under Co-channel Interference;

GSM-R系统差错控制与同频干扰下传输性能分析

A Probe into R&D Organizational Design and Management Control for Enterprise Group;

企业集团R&D组织设计及管理控制探讨