The final letter is very vague; possibly an R or a K.

最后一个字母很不清楚, 可能是R, 也可能是K。

A high K ratio method for fatigue precracking in welding position toughness specimen of thick steel plate was developed.

提出了预制厚钢板焊缝断裂韧度试样疲劳裂纹的“高K比法”。

The fliting and K-L transform were used in this paper to process the acoustic well-logging waveform.

本文运用滤波和K-L变换对全波列声测井数据进行处理。

Colistin is active against most strains of gram negative bacteria including P. aeruginosa, E. coli, K. pneumoniae, Aerobacter.

多粘菌素是最积极反对株革兰氏阴性菌包括绿脓杆菌，大肠杆菌，肺炎克雷伯菌 ， 产气。

K is an electrolyte and a potentiator of enzyme functions, but neither of these functions take place in hair.

钾是生化酶功能的电解液和增强剂，但这两种功能都不发生在头发中。

Emblema is available as fountain pen with 18K gold nib and ebonite feeder, rollerball pen and twist-action ballpoint pen.

徽章系列有18K金笔尖墨水笔、走珠笔和旋式原子笔可供选择。

Education level contributed 8.7% of K covariation while AIDS attitude, religion and clinical experience contributed 16.8% of W(subscript k) covariation.

教育程度解释营养师知识变异量的8.7%；爱滋病态度，宗教信仰和临床经验共解释营养师求知相关意愿变异量的16.8%。

The density of each isochore was based on the pressure-density relationship at 410 K,which was obtained from the Burnett analysis.

首先对超临界410K等温线的数据进行了膨胀法分析,建立了压力和密度关系。以此为基础,获得了各条定容线的密度。

Hombitan LOCR-K is characterized by its high degree of whiteness, It gives neutral colour shade and has strong coloring power.

白度高、中性类色、著色力强, 容易分散在所有热塑性塑胶、塑化剂、水体系即溶体系中。

Through K-Ar isotope age study in pillow basalt,has gained the isochrone age is 139Ma.The age is the formation age of pillow basalt.

在枕状玄武岩中获得K-Ar（全岩）同位素年龄为139Ma（测试单位：宜昌地质矿产所同位素室），因此确定其时代为晚侏罗世晚期。