结论在生长迅速的小猪模型上，尿硫测定这一无同位素标记、无创的方法可以精确反映含硫氨基酸的分解代谢情况。
Conclusions Detection of urinary sulfur, as a non-tracer and noninvasive method, may be employed to accurately measure the catabolism of sulfur amino acid in the growing piglet model.
再加上检测同位素氧，分析表明至少有一具吃过小米的无头尸的主人，来自东欧，或者来自高海拔地区。
Combined with oxygen isotope testing, the analysis suggested that at least one headless millet-eater came from Eastern Europe or somewhere with access to water from high altitudes.
当最普通的铁（56Fe）的同位素吸收了一个中子，生成物无放射性。
When the commonest isotope of iron (56Fe) absorbs a neutron, the result is not radioactive.
利用具有中间共振能级的无多普勒双光子相干选择激发来提高激光同位素分离的选择性和激发速率。
Selectivity and excitation rate of laser isotope separation can be enhanced by using the coherent selective Doppler-free two-photon excitation with intermediate resonant level.
由于无确切的同位素年龄资料熏这套岩石时代的归属一直存在不同认识。
Divergent views have long existed as to the age assignment of this suite of rocks due to the absence of exact isotope data.
无电解镀共沉积钯银合金膜是纯化氢同位素最有发展前途的方法之一。
The stainless steel matrix was dipped in a solution containing palladium and silver ions to prepare palladium-silver membrane by electroless plating.
无电解镀共沉积钯银合金膜是纯化氢同位素最有发展前途的方法之一。
The stainless steel matrix was dipped in a solution containing palladium and silver ions to prepare palladium-silver membrane by electroless plating.
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