Main Outcome Measure: The relationship between serum 25ohd, serum PTH, and serum osteocalcin and 24-h urine N-telopeptides was evaluated.

主要观察指标：对血清25ohd、血清甲状旁腺激素、血清骨钙素和24小时尿n -末端肽的关系进行了评价。

youdao

The method of determining Ni, Cu and Pbi n urine with isotope dilution mass spectrometry(IDMS)is described.

介绍了采用同位素稀释质谱 法（IDMS）测定 冻干人尿样品中镍、铜、铅的含量。

youdao

Of three possible municipal wastewater (sewage) effluents evaluated as a source of N and P, the most effective was source-separated urine with a very high content of these elements, in which case growing algae became more environmentally beneficial than the land-based crops.

FORBES: Report Says Algal Biofuels May Not Cut Carbon Emissions, But Read More Closely