极性
- 与 极性 相关的网络例句 [注:此内容来源于网络,仅供参考]
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In certain types of equipment such as switchgear, the part corresponding to one of the phase in A.C.
在某些设备中,例如开关设备,对应于交流中的一个相或直流中的一个极性的部分。
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The difference in solvent polarity environment between excited state intramolecular charge transfer and proton transfer states leads to a remarkable ESICT/ ESIPT coupled reaction. In polar, aprotic solvents, in contrast to a unique PT tautomer emission observed in 3-hydroxyflavone (3HF), dual emissions are resolved, consisting of ESICT and ESIPT bands.
不同於化合物3-hydroxyflavone只观察到异构物的质子转移萤光放射峰的结果,在极性、非质子酸溶剂里,我们会观察到3-hydroxyflavone衍合物有两个萤光放射峰,是分别经由ESICT与ESIPT两种不同路径个别的贡献。
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15K. It is shown that two main factors, pressure and the polarity of the mixture, influence the EAA tautomerism.
结果表明,EAA的酮式-烯醇式异构化平衡常数随共溶剂极性的增加而减小。
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A new method of polarity identification is put forward, therefore the complex Taylor series is avoided, the efficient is improved and the procedure quantity is reduced.
文中提出一种新的极性识别方法,避免了复杂的泰勒级数运算,提高了运算效率,降低了程序量。
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The key features and some properties of the telluric field of are discussed as follows.
地震前后大地电场E的方位发生转动;3、大地电场E具有日变倍9周期性和振幅|E|变化特征;4大地电场EW分量的极性变化。
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The polarization of the EW component of the telluric field inverse.
大地电场EW分量的极性变化。
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The strong extension and random curling of HA molecule result in tremendous domain, the hydrodynamics volume is ten times larger than the possessing space of its un-hydrated form. Further more, molecule chains twist between each other to form a consecutive reticular structure, which reacts with water molecule via polar bond and hydrogen bond.
HA分子在溶液中高度伸展和随机卷曲构型使其占有很大区域,其流体动力学体积较未水化时所占空间大l0倍,而且分子链之间相互缠绕形成连续的网状结构,水分子通过极性键和氢键与其直接作用。
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The analysis methods for the determination of micro or trace elements in high moisture jellyfish were developed. The fatty acid compositions in difderent parts of fresh jellyfish were determined by GC/MS method. Thirty-five fatty acids were identified, and most of them were found in R. esculentum jellyfish for the first time. Especially, two unusual very long chain polyunsaturated fatty acids that were never detected in the other jellyfish also were determined. Amino acids were abundant in R. esculentum jellyfish, especially containing sulfur amino acids, and could be supplied for human diet. The polysaccharide in umbrella part of jellyfish was composed of glucose, galactose and uronic acid, and its molecular weight was 40,000, but the polysaccharide of the oral arms part consisted of glucose, mannose and glycuronic acid, and its molecular weight was 43,000. Above-mentioned data were never reported. The ethanolic extract of oral arms part of jellyfish were extracted by different polar solvents (petroleum ether, acetic ether, n-butanol), and antibacterial activity was tested to these extracts by four species of terricolous pathogenic bacilli and three species of botanic pathogenic fungi. The result demonstrated that the petroleum ether extract had certain bactericidal activity for two species of pathogenic bacilli, and n-butanol extract had certain inhibited activity on apple rot pathogenic fungus.
建立了 高含水量的海蜇产品中微量、痕量元素成分测定的分析方法;采用 GC/MS 方法测定了新鲜海蜇不同部位的脂肪酸组成,共鉴定出 35 种脂肪酸,其中大多数脂肪酸是首次在海蜇中被检测到,尤其是两种不常见的 C24:5 超长链多不饱和脂肪酸的分析和鉴定在其它水母种属中也从未见报道;海蜇三个部位中氨基酸成分齐全,含量丰富,含硫氨基酸含量较高,可与其它食物蛋白质的氨基酸互补;其中海蜇皮多糖是由葡萄糖、半乳糖和糖醛酸组成,分子量为 40,000,海蜇头多糖是由葡萄糖、甘露糖和糖醛酸组成,分子量为 43,000,以上工作均未见报道;利用石油醚、乙酸乙酯、正丁醇三种不同极性溶剂分别萃取海蜇头乙醇浸提物,用纸碟法和生长速率法分别对四株陆源病原菌和三株植物病原真菌进行了抑菌实验,结果表明海蜇头石油醚提取物和正丁醇提取物具有一定的抑菌活性。
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The analysis methods for the determination of microor trace elements in high moisture jellyfish were developed. The fatty acid compositions indifderent parts of fresh jellyfish were determined by GC/MS method. Thirty-five fatty acids wereidentified, and most of them were found in R. esculentum jellyfish for the first time. Especially,two unusual very long chain polyunsaturated fatty acids that were never detected in the otherjellyfish also were determined. Amino acids were abundant in R. esculentum jellyfish, especiallycontaining sulfur amino acids, and could be supplied for human diet. The polysaccharide inumbrella part of jellyfish was composed of glucose, galactose and uronic acid, and its molecularweight was 40,000, but the polysaccharide of the oral arms part consisted of glucose, mannose andglycuronic acid, and its molecular weight was 43,000. Above-mentioned data were never reported.The ethanolic extract of oral arms part of jellyfish were extracted by different polar solvents(petroleum ether, acetic ether, n-butanol), and antibacterial activity was tested to these extracts byfour species of terricolous pathogenic bacilli and three species of botanic pathogenic fungi. Theresult demonstrated that the petroleum ether extract had certain bactericidal activity for twospecies of pathogenic bacilli, and n-butanol extract had certain inhibited activity on apple rotpathogenic fungus.
建立了高含水量的海蜇产品中微量、痕量元素成分测定的分析方法;采用 GC/MS 方法测定了新鲜海蜇不同部位的脂肪酸组成,共鉴定出 35 种脂肪酸,其中大多数脂肪酸是首次在海蜇中被检测到,尤其是两种不常见的 C24:5 超长链多不饱和脂肪酸的分析和鉴定在其它水母种属中也从未见报道;海蜇三个部位中氨基酸成分齐全,含量丰富,含硫氨基酸含量较高,可与其它食物蛋白质的氨基酸互补;其中海蜇皮多糖是由葡萄糖、半乳糖和糖醛酸组成,分子量为 40,000,海蜇头多糖是由葡萄糖、甘露糖和糖醛酸组成,分子量为 43,000,以上工作均未见报道;利用石油醚、乙酸乙酯、正丁醇三种不同极性溶剂分别萃取海蜇头乙醇浸提物,用纸碟法和生长速率法分别对四株陆源病原菌和三株植物病原真菌进行了抑菌实验,结果表明海蜇头石油醚提取物和正丁醇提取物具有一定的抑菌活性。
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Any connectors used must be made of the correct thermocouple material and correct polarity must be observed.
所有的连接线都必须采用类型相符的材料以及在连接时极性配对必须正确。
- 推荐网络例句
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For a big chunk of credit-card losses; the number of filings (and thus charge-off rates) would be rising again, whether
年美国个人破产法的一个改动使得破产登记急速下降,而后引起了信用卡大规模的亏损。
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Eph. 4:23 And that you be renewed in the spirit of your mind
弗四23 而在你们心思的灵里得以更新
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Lao Qiu is the Chairman of China Qiuyang Translation Group and the head master of the Confucius School. He has committed himself to the research and promotion of the classics of China.
老秋先生为中国秋阳翻译集团的董事长和孔子商学院的院长,致力于国学的研究和推广。