pqr

On the Minimal Generating Set of the Groups of Order pqr

pqr阶群的生成集的一个性质

The important link of controlling welding quality WPS PQR

焊接质量控制的重要环节&WPS和PQR

By using the interactive navigation mode , the PQR matching and joint process solution was realized .

通过交互导航方式实现PQR匹配及其相应的接头工艺求解；

Studies on the Hydrolytic Polymerization of Chromium Ion ⅶ . pqr Analysis of Polymerization Products

三价铬离子水解聚合作用的研究Ⅶ.反丁烯二酸存在下高铬浓度区水解产物的pqr分析

The PQR shall include the composition and flow rate of the shielding and inert gas backing , when used .

焊接工艺评定记录单上应包括封底焊时所用的惰性保护气体组成成分和流率。

Both WPS & PQR shall be approved by the independent , accredited organization personnel .

焊接程序规范（WPS）和程序检定记录（PQR）由独立第三方认证机构人员负责核准。

WPS shall reference the supporting PQR and any other information that may be helpful in making a Code weldment .

焊接程序规范（WPS）编制时，应参考程序检定记录，以及其他对焊接规范的编制有帮助的文件。

For example , the symmetric ternary pqr flip-flop has 27 various functions , that is the complete functions .

特别讨论了对称三位触发器的各种功能，并指出全功能的pqr触发器具有27种函数变换。

In the process of welding structures manufacture , it is the necessary to make the WPS relying on the PQR .

依据焊接工艺评定报告（PQR）制定焊接工艺规程（WPS）是焊接结构生产中的必要环节。

Electrodes with a " G "( General ) designation shall not be used unless a PQR is performed for each batch and lot used for production welds .

除非对每批次产品的焊接执行了焊接工艺评定，否则不准使用带有G样字符的电极。

The PQR shall be witnessed and shall be supported with the lab report from the pre approved testing laboratory , if so previously agreed to by the employer .

应见证pqr，如果得到业主的事先同意，还应通过来自预先批准试验室的实验报告支持pqr。