urinem尿液urinen.尿；小便urine to plasma osmolality ratios尿与血浆渗克分子浓度比率, 尿与血浆重量渗透压浓度比率urine catecholamine determination尿儿茶酚胺测定urine for phenylpyruvic acid test尿苯丙酮酸试验Urine micro albumen excretion rate尿微量清蛋白排泄率urine specimen container with lids带盖的取尿样杯urine/plasma concentration ratio尿/血浆浓度比urine concentration-dilution test尿浓缩-稀释试验Urine potassium/ereatinine ratio尿钾-肌酐比值urine specific gravity refractometer尿比重折射计Urine red blood cell characteristics尿液红细胞特征