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IR spectrum analysis shows that there are contain-oxygen functions and substitutive groups in coal macromolecular.

煤的红外光谱分析表明,煤中仍然存在含氧基团和一定数量的取代基,可得到芳氢率参数。

A series of cholesterol-bearing O-carboxylmethyl chitosan conjugates with different degrees of substitution of the cholesterol moieties and cholesterol-bearing chitosan were synthesized by the succinyl linkages and characterized by Fourier transform infrared, Proton Nuclear Magnetic Resonance (~1H NMR) and elemental analysis. These hydrophobized chitosan derivatives were amphiphilic in nature and their self-aggregation behavior in aqueous media was evaluated by the fluorescence probe technique.

课题的主要研究内容如下:采用化学的方法合成了不同分子结构、不同取代度的系列胆甾醇基壳聚糖衍生物—胆甾醇基壳聚糖和胆甾醇基-羧甲基壳聚糖,并应用先进的分析手段电位滴定、红外光谱法(IR、核磁共振波谱法等对原料、中间产物以及产物进行了结构表征,衍生物分子中的胆甾醇基取代度(3.2%~12.5%)采用元素分析的方法进行检测。

The main study of this dissertation is shown as follows.1.Two new amphiphilic steroid derivatives(N-cholesteryl succinyl glucosamine, CSG and N-deoxycholyl glucosamine,DCG) were designed and synthesized.Their chemical structures have been confirmed by means of Fourier Transform Infrared Spectrometry,Nuclear Magnetic Resonance Spectrometry and Mass Spectrometry.

设计、合成了新型的两亲性甾族衍生物—N-胆固醇琥珀酰基氨基葡萄糖(N-cholesteryl succinyl glucosamine,CSG)和N-脱氧胆酰基氨基葡萄糖(N-deoxycholyl glucosamine,DCG),并采用傅立叶红外波谱仪(Fourier TransformInfrared Spectrometry,FT-IR)、核磁共振波谱仪(Nuclear Magnetic ResonanceSpectrometry,NMR)和质谱等分析仪器对原料、中间产物和最终产物的化学结构进行表征。

One red crosslinking polymeric dye is prepared in mixed solvent of water and tetrahydrofuran(Schotten-Baumann reaction)from Disperse Red 3B sulfonyl chloride and polyvinylamine.The sulfonamide group in polymeric dye is confirmed by IR.

利用Schotten-Baumann反应,在水与四氢呋喃的混合溶剂中合成了1支新型的红色聚乙烯胺型可交联高分子染料,用红外光谱证明了所合成的染料中磺酰胺基团的存在。

Asia, featuring members of Yes, ELP and King Crimson, was the first "supergroup" of the eighties. The ir eponymous debut album, released in 1982, was a huge success racking up global sales in excess of 15 million copies. In 2006 the original four members reunited for the first time in over 20 years for a series of concerts in the US and the UK.

此现场专辑由四名皆能独当一面的乐坛大将联合演出:巴格斯乐队成员之键盘高手-吉尔夫·党恩斯,Yes乐队成员之吉他圣手-史蒂夫·豪,E.L.P乐队成员之前卫鼓手-卡尔·帕尔莫尔,克里穆国王乐队成员之主唱-约翰·威腾。

This supposal was further conformed with NO2 symmetric stretching vibration which was found in the ATR FT-IR spectra of hair samples treated with NBD-C1 at pH3 medium.

介质pH3处理的发样表面衰减式全反射红外光谱结果出现硝基对称伸缩振动峰,进一步支持NBD-Cl与头发表面半胱氨酸发生特异性结合的结论。

IR analysis of Leersia Hexandra Swart biomass revealed the presence of carboxyl, amide, hydroxyl and carbonyl groups, which are responsible for biosorption of the metal ion.

结果表明,该吸附是单分子吸附的伪二级动力学过程,吸附过程包含两个步骤: Cr离子通过静电作用富集在干粉材料表面,随后干粉表面存在的功能配位官能团会与Cr发生化学作用。

Laser Raman spectral technique is an important section in modern laser spectral techniques. Laser Raman spectrum plays an important role on the aspects of analyzing molecular structure, symmetry properties of crystal, investigating solid structure phase-variation and the structure of IR spectrum of molecule. In recent years,it has been extensively applied in many research fields such as organic and inorganic analytical chemistry, biochemistry, petrochemical industry, macromolecule chemistry ,etc.

激光喇曼光谱技术是现代激光光谱技术中的一个重要组成部分,激光喇曼光谱对于确定分子结构和晶体的对称性、研究各种固体结构相变及红外光谱结构分析等方面具有重要作用,近些年来已经广泛地应用于有机和无机分析化学、生物化学、石油化工、高分子化学等领域。

Results: PC12 cells fragmentation exhibited various evolving phases including totipotential protoplast, endopolyploid,polykaryon, multi-nucleo-endoplast, multinucleocyte, syncytium and multicells. The PCNA-IR was strongly positive in the earlyphase samples of cell fragmentation.

结果:PC12细胞呈现包括全能原生质体、核内多倍体、多核体、核-内质多聚体、合胞体和多细胞裂殖球的一系列演化阶段。

They are working on a report of the= ir investigation of synthetic rubber.

他们在写一份合成= 33;胶的调查报告。

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相关中文对照歌词
Crei Morir E Ir Al Cielo
Me Iré
Me Iré
Me Iré
Iré A Buscarte
¿Dónde Iré Yo?
Te Iré A Buscar
Me Iré
Hoy Me Iré De Casa
Pode Ir Embora
推荐网络例句

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。

There is no differences of cell proliferation vitality between labeled and unlabeled NSCs.

双标记神经干细胞的增殖、分化活力与未标记神经干细胞相比无改变。