The content of trace elements didn't affect the apparent metabolism of energy of this phase (P>0.05).
此阶段能量的表观代谢率不受微量元素添加水平的影响（P>0.05）。
The dregs contain large quantities of N, P, K, Ca, Mg and trace elements, thus can provide abundant nutrition for crops.
发酵液废弃菌渣中含有大量的氮、磷、钾、钙、镁、硫及多种微量元素，可谓作物提供丰富营养。
Conclusion P. carinii infection might play a role in the change of trace elements in the spleen of rats.
结论卡氏肺孢子虫感染大鼠脾脏中微量元素发生了变化。
Purpose: Value P-TFO curative effect to prevent and cure infantile respiratory trace infection.
目的：评价P -转移因子口服液（P -TFO）防治小儿呼吸道感染的作用。
MEKC method based on on-line sweeping technique was developed for the determination of trace phenol, o-nitrophenol and p-nitrophenol in industrial waste water.
利用胶束毛细管电泳在线推扫富集技术建立了测定工业废水中痕量苯酚、邻硝基苯酚和间硝基苯酚的方法。
P-methylbenzensulforate trace components were determined by derivative spectrophotometer and optimum derivative order and wavelength intervals were selected.
采用导《分光光度法研究了对甲苯磺酸痕量组分的测定方法，并选择了求导阶数、农导波长间距等最佳条件。
So the trace elements had no obvious effects on the lipid hydrolytic rancidity rate( P >0.05).
微量元素对水解酸败无显著影响（P＞0．05） 。
A method for testing trace amounts of Si, p, Mn, As, Zn in iron ore powder by ICP - AES is presented, which is convenient, rapid and accurate.
运用电感耦合等离子体发射光谱法测定铁矿石中的硅，磷，锰，砷，锌该方法简便、快速、准确。
A method for testing trace amounts of Si, p, Mn, As, Zn in iron ore powder by ICP - AES is presented, which is convenient, rapid and accurate.
运用电感耦合等离子体发射光谱法测定铁矿石中的硅，磷，锰，砷，锌该方法简便、快速、准确。
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