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1.a multivalent nonmetallic element of the nitrogen family that occurs commonly in inorganic phosphate rocks and as organic phosphates in all living cells; is highly reactive and occurs in several allotropic forms.
一种多价的氮族非金属元素，通常见于无机磷酸盐岩石中或作为有机磷酸盐存在于活细胞中，极其活跃，有多种同素异形体。收藏指正
2.Abstract The following parameters were compared in 55 hypertensive patients (of which 22with cmplications)and 22 normol persons: family history, medication and smoking status,body weight,fasting blood urea nitrogen (BUN)amd creatinine(Cr), plasma lipids, hemorrheology,serum and urine electrolytes(K+, Na+, Ca2+, Mg2+),24 hour blood pressure.
对55例高血压病患者（其中有并发症者22例）和22例正常对照者，通过询问家族史、服药与吸烟情况，测身高体重，查空腹尿常规，血中尿素氮（BUN）、肌酐（Cr）、血脂，血液流变学以及空腹血与24小时尿的K＋、Na＋、Ca2＋、Mg2＋水平；收藏指正
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