虽说大卫·詹姆士似乎不再是法比奥·卡佩罗的首选守门员和前锋人选，两者的身份仍旧笼罩在猜疑中。
The identities of Fabio Capello's first choice goalkeeper and front-line striker remain shrouded in doubt, though David James seems out of contention for the former position.
方法：用免疫比浊法和乳胶凝集法同时检测阳性组21例类风湿性关节炎患者与正常对照组40例健康体检者的RF，并对结果进行比较分析。
Method Use immunoturbidimetry and latex agglutination to detect masculine group: 21 examples of RA and normal control group: 40 examples of healthy people's RF, to compare and analyze the results.
试验结果表明，加入湿法白炭黑超细粉的试样拉伸强度比添加气相法白炭黑者提高了54%，扯断伸长率提高了64%，磨耗量降低了20%。
The results showed that the sample by adding the ultrafine powders of silica aerogel increased the tensile strength 54%, the elongation at break 64%, decreased the abrasion loss 20%.
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