排序方式: 共有16条查询结果,搜索用时 93 毫秒
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中药娑罗子的化学组分及七叶皂苷药用价值的研究 总被引:7,自引:0,他引:7
介绍了欧洲七叶树、日本七叶树和中国天师栗的果实娑罗子的化学成分的研究进展,阐述了七叶皂苷药用的特性及应用范围。 相似文献
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纸基摩擦材料的组成与工艺研究进展 总被引:1,自引:0,他引:1
纸基摩擦材料是自动变速器和湿式刹车装置使用的重要摩擦材料。材料性能决定车辆运行的安全性和平稳性,反过来又受到组成与制备工艺的制约。本文综述了近年来纸基摩擦材料的组成与工艺研究进展。 相似文献
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地皮菜营养成份分析与评价 总被引:13,自引:0,他引:13
采用常规方法,分析了地皮菜的一般营养成份、矿物质常量与微量元素,维生素及氨基酸的含量并进行了营养评估,得出了地皮菜可作为保健食品开发的理论依据。 相似文献
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闫卫 《吕梁教育学院学报》2005,(4)
研究了分光光度法测定尼古丁的方法,测定下限为0.81μg/ml,线性回归方程Abs=0.05976+0.00108x(mL),相关系数r=0.9996;尿液中的加标回收率在80.4%~138%,RSD在0.12%~3.88%(n=4)。 相似文献
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男子短跑300m不同强度跑中血乳酸、血尿素、尿蛋白变化的实验研究 总被引:4,自引:1,他引:3
对男子400m短跑运动员采用300m不同负荷跑的血乳酸、血尿素、尿蛋白变化进行了实验研究,发现相同距离,不同的负荷量和强度对人的机体产生的影响不同,训练的效果、达到的训练目的也不相同。建议训练应根据需要有目的地选择负荷量和强度。 相似文献
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中长跑运动员赛前训练不同负荷下尿异常研究 总被引:2,自引:0,他引:2
为进一步揭示中跑和长跑运动员在不同负荷下尿成分变化情况,提高尿分析法在中长跑赛前训练监控中的实用性,获得最佳的训练效果。采用尿十项分析法对中跑和长跑运动员不同负荷下尿异常情况进行比较分析。研究发现,尿蛋白和胆红素两项指标阳性率较高,且呈现出很明显的强度依从性;运动强度达到85%以上时,长距离跑和中距离跑运动员尿蛋白的排出量存在显著性差异(P<0.05)。 相似文献
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Seema Pavaman Sindgikar Deepthi Raran Veetil Rathika D. Shenoy Vijaya Shenoy 《Indian journal of clinical biochemistry : IJCB》2014,29(4):514-516
The presentation of long-chain fatty acid oxidation disorders (FAOD), unlike short and medium-chain disorders can be with secondary defects in mitochondrial function along with typical features of FAOD. We report an infant with Reye-like presentation and acylcarnitine profile suggestive of very-long-chain acyl-CoA dehydrogenase deficiency who had lactic acidosis and urine gas chromatographic pattern of mitochondrial defects. 相似文献
10.
Damir Zubac Reid Reale Hrvoje Karnincic Anamaria Sivric Igor Jelaska 《European Journal of Sport Science》2018,18(7):920-929
Urine specific gravity (USG) is the most commonly reported biochemical marker used in research and applied settings to detect fluid deficits in athletes, including those participating in combat sports. Despite the popularity of its use, there has been a growing debate regarding the diagnostic accuracy and the applicability of USG in characterizing whole-body fluid status and fluctuations. Moreover, recent investigations report universally high prevalence of hypohydration (~90%) via USG assessment in combat sport athletes, often in spite of stable body-mass. Given the widespread use in both research and practice, and its use in a regulatory sense as a ‘hydration test’ in combat sports as a means to detect dehydration at the time of weigh-in; understanding the limitations and applicability of USG assessment is of paramount importance. Inconsistencies in findings of USG readings, possibly as a consequence of diverse methodological research approaches and/or overlooked confounding factors, preclude a conclusive position stand within current combat sports research and practice. Thus the primary aim of this paper is to critically review the literature regarding USG assessment of hydration status in combat sports research and practice. When taken on balance, the existing literature suggests: the use of laboratory derived benchmarks in applied settings, inconsistent sampling methodologies, the incomplete picture of how various confounding factors affect end-point readings, and the still poorly understood potential of renal adaptation to dehydration in combat athletes; make the utility of hydration assessment via USG measurement quite problematic, particularly when diet and training is not controlled. 相似文献