13C-

Sample Sentence

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1.
Aim: nuclear magnetic resonance spectrum of calycosin was studied, and its chemical shifts of 13C NMR were attributed.
目的：研究了毛蕊异黄酮的核磁共振波谱学，并对其13CNMR进行归属。
mù dì : yán jiū le máo ruǐ yì huáng tóng de hé cí gòng zhèn bō pǔ xué , bìng duì qí shí sān CNMR jìn xíng guī shǔ 。
www.ceps.com.tw
2.
The structural changes of phenolic resin during thermal degradation could be observed more directly and clearly by 13C-NMR than FTIR.
固体核磁共振比红外光谱更直接，更清晰地反应出酚醛树脂在热降解过程中的结构变化。
gù tǐ hé cí gòng zhèn bǐ hóng wài guāng pǔ gèng zhí jiē , gèng qīng xī de fǎn yìng chū fēn quán shù zhī zài rè jiàng jiě guò chéng zhōng de jié gòu biàn huà 。
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3.
The test is reliable, convenient and has higher specificity and sensitivity in HP detection.
13C尿素呼气试验在诊断HP感染时，方便可靠、特异性和敏感性较高。
shí sān C niào sù hū qì shì yàn zài zhěn duàn HP gǎn rǎn shí , fāng biàn kě kào 、 tè yì xìng hé mǐn gǎn xìng jiào gāo 。
www.chemyq.com
4.
This caused a massive release of 12C-rich methane into the atmosphere, explaining the initial drop in 13C concentrations.
这导致12C被大规模释放到大气中，也解释了13C浓度最初下降的原因。
zhè dǎo zhì shí èr C bèi dà guī mó shì fàng dào dà qì zhōng , yě jiě shì le shí sān C nóng dù zuì chū xià jiàng de yuán yīn 。
www.bing.com
5.
Conclusions 13C urea breathing test is safe and reliable in diagnosing children HP infection.
结论13C尿素呼气试验在诊断小儿HP感染中具有安全性及可靠性。
jié lùn shí sān C niào sù hū qì shì yàn zài zhěn duàn xiǎo ér HP gǎn rǎn zhōng jù yǒu ān quán xìng jí kě kào xìng 。
d.wanfangdata.com.cn
6.
The structures of the new intermediates and target compounds are confirmed by 1H NMR, 13C NMR, IR, and MS spectra.
所有的目标化合物和一些中间体化合物的结构都经过1HNMR、13CNMR、IR及MS得到了确认。
suǒ yǒu de mù biāo huà hé wù hé yì xiē zhōng jiān tǐ huà hé wù de jié gòu dōu jīng guò yī HNMR 、 shí sān CNMR 、 IR jí MS dé dào le què rèn 。
paper.pet2008.cn
7.
The chemical structure of as synthesized modified coumarin dyes were characterized by the nuclear magnetic resonance spectra (1H-, 13C-NMR).
合成出改质过的香豆素染料，其化学结构以核磁共振光谱术（1H-，13C-NMR）鑑定；
hé chéng chū gǎi zhì guò de xiāng dòu sù rǎn , qí huà xué jié gòu yǐ hé cí gòng zhèn guāng pǔ shù ( yī H-, shí sān C-NMR ) jiàn dìng ;
www.etop.org.tw
8.
Non-radioactive carbon comes in two forms: 12C and the heavier (and much rarer form) 13C.
非放射性碳以两种形式存在：12C还有较重（并且更罕见）的13C。
fēi fàng shè xìng tàn yǐ liǎng zhǒng xíng shì cún zài : shí èr C hái yǒu jiào zhòng ( bìng qiě gèng hǎn jiàn ) de shí sān C 。
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9.
The biosynthesis of the polyamines in cell culture was examined using the labeled substrates [U-13C]glucose and [U-13C]glutamate.
生物合成的多胺在细胞培养研究使用标示为基板[U型的13C]葡萄糖和[U型的13C]谷氨酸。
shēng wù hé chéng de duō àn zài xì bāo péi yǎng yán jiū shǐ yòng biāo shì wèi jī bǎn [ U xíng de shí sān C ] pú táo táng hé [ U xíng de shí sān C ] gǔ ān suān 。
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10.
The structures of the intermediates and the target compound were confirmed by MS, 1H NMR and 13C NMR spectra in our experiments.
关键中间体及最终化合物的结构经质谱、核磁共振氢谱及碳谱得到确证。
guān jiàn zhōng jiān tǐ jí zuì zhōng huà hé wù de jié gòu jīng zhì pǔ 、 hé cí gòng zhèn qīng pǔ jí tàn pǔ dé dào què zhèng 。
www.ceps.com.tw