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

最后一个不清楚, 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样疲劳裂纹的“高K比法”。

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。

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变换对全波列声井数据进行处理。

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。

Background— Cathepsin K (CatK), a potent elastinolytic and collagenolytic cysteine protease, likely participates in the evolution and destabilization of atherosclerotic plaques.

组织蛋白酶K，一种强有力的溶胶原半胱氨酸蛋白酶，可能参与动脉粥样硬化斑块的演化及与斑块不稳定有联系。

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（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。

Ca absorption and tipburn of lettuce were studied under different application of N, K, Ca, sprinkler irrigation and border irrigation in open field.

摘要在露地栽培条件下，研究了不同氮、钾、钙水平处理以及喷灌、畦灌对生菜钙吸收和干烧心的影响。

Focus on design and implementation of K-Means-based anomaly detection algorithm engine and cluster analysis module, as well as the Apriori algorithm based on correlation analyzer.

重点设计和实现了基于K-Means 算法的异常检引擎和聚类分析模 块，以及基于Apriori 算法的关联分析器。

The results showed: inncrease application of Ca, balance application of N and K and sprinkler irrigation could increase Ca content of lettuce leaves, reduce occurring of tipburn.

结果表明，增施钙肥，平衡氮、钾肥及采取喷灌的方式均能增加生菜叶片的钙含量，减少干烧心的发生。

The nutrient of C, N, P, K in rice straw buried by rotocultivator in deep soil layer released at a high rate and less remain than on surface soil.

运用机械将稻秸秆深施于水田土层内，秸秆中的碳、氮、磷、钾养分释放比秸秆面施速率高，残留量少。

In contrast to simplistic expectations, the total amount of protofibrils and the amount of permeabilizing activity per mole protein in the protofibril fraction were reduced by the E46K mutation.

与过分简化的期望相反，E46K突变减少了原纤维的总数和有孔道样结构的原纤维数。

Basing on the basic concept and theory of K factor, The correct selection of K factor value and its im-portance in different experement situation and The method of amendment are discussed.

本文从K系数的基本概念与基本理论出发，针对各种不同条件实验情况讨论了K系数的正确选择的必要性，介绍了相应的K系数修正方法。