到目前为止，他们刚刚对200种青蛙的皮肤分泌物进行了提纯并确定化学结构，因此还有一个大量的抗生素的宝藏有待发掘。
So far, they have purified and determined the chemical structure of barely 200, leaving a potential bonanza of antibiotic substances awaiting discovery.
他们确定了从线粒体基因组提取的一个368碱基对片段的化学结构序列，并且把它与古代犬以及现代犬、狼和郊狼的序列进行了比较。
They sequenced a 368 base pair fragment from the mitochrondrial genome and then compared it to sequences from ancient dogs, as well as to sequences from modern dogs, wolves, and coyotes.
通过上述光谱法确定了该塑料抛光膏的化学组成和结构。
With these spectral methods, the chemical composition and the structure of the polishing paste for plastics were identified.
通过光谱数据和化学方法确定了它的结构。
Its structure was confirmed by spectral data and chemical method.
俄歇电子谱仪广泛地利用来确定固体表面的化学和电子结构(40A)。
Auger electron Spectrscopy (AES) has widespread use in determining the chemical and electronic structure of solid surface (40a).
染料分子的化学结构通过1H核磁共振谱，二维1 H - 1h相关谱以及质谱分析得以确定。
The chemical structure of dye molecule was confirmed by 1h nuclear magnetic resonance spectroscopy, 1h-1h COSY and mass spectrometry.
实验结果表明：煤研石的综合利用必须依据它的自身的化学组成、结构与工艺性质来确定利用的方向。
Experiment results show: we should make full use of the coal shale according to its own structural and technology nature and the chemical composition.
通过化学分析、红外光谱分析等手段确定了高固和低氯pae的结构。
The structure of PAE with high and low solids content was found out by chemical analysis and IR spectrum.
采用高分辨质谱和二维核磁共振谱等光谱技术，确定了该化合物的化学结构。
Through high-resolution mass spectrometry and two-dimensional NMR spectroscopy, the invention determines the chemical structure of the compound.
50年代首次从茶叶中提取、精制出茶氨酸，并确定了它的化学结构，此后许多学者对其进行了大量的研究工作。
It was firstly extracted and refined from tea in 1950's and its chemical structure was also determined at the same time.
结果经化学、TLC和波谱学方法进行结构鉴定，确定为16种氨基酸，两种糖及黄酮类成分。
ResultsThe chemical, TLC and spectral methods were used to determine the structures of the isolated compounds. 16 kinds of amino acids, 2 kinds of sugar and flavonoid compositions were confirmed.
科学家表示，这种蛋白质提取物是人类超级抗生素研究的重大突破，一旦确定化学结构后，科学家可以制造出超级抗生素药物。
Scientists said that such a protein extract of human antibiotics super major breakthrough in the study, once the chemical structure, scientists can create a super-antibiotic drugs.
运用多种现代波谱技术结合化学手段，确定了它们的化学结构和部分立体构型。
Their structures and some of the stereochemistry were elucidated by means of various modern spectroscopic techniques and chemical methods.
指出各组份的特点是具有确定的分子量及化学结构。
The definite molecular weight and chemical structure are the characteristics of these protein compositions.
对所合成的产品做了气相色谱、红外光谱和质子核磁共振分析，确定了其化学结构。
The structure of the synthetic product was conformed by gas chromatogram, infrared spectra and proton nuclear magnetic resonance analysis.
方法：柱色谱法分离其成分，利用光谱数据确定其化学结构。
Methods: Column chromatography was used in the isolation procedure. The structures of isolated compounds were elucidated by spectral data.
通过化学分析、红外光谱对其结构组成进行确定。
Their structures were identified by chemistry analysis and ir spectra.
化学家们从混合物中分离出具有生物活性分子的小珠，然后利用灵敏的探测技术来确定附着的化合物的分子结构。
Chemists pull out from the mixture the beads that bear biologically active molecules and then, use sensitive detection techniques to determine the molecular makeup of the compound attached.
化学家们从混合物中分离出具有生物活性分子的小珠，然后利用灵敏的探测技术来确定附着的化合物的分子结构。
Chemists pull out from the mixture the beads that bear biologically active molecules and then, use sensitive detection techniques to determine the molecular makeup of the compound attached.
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