• 文章并介绍丝素分子量测定方法

    Furthermore, a testing method of the molecular weight of silk peptide is recommended.

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  • 使用GPC中间体进行分子量测定

    The molecular weights of the intermediates were measured with GPC.

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  • 红外紫外光谱法热分析分子量测定研究了聚氯乙烯在硝酸和硫酸中的老化

    The ageing of rigid polyvinyl chloride (R-PVC) aggravated by nitric and sulfuric acids was studied by IR, UV Spectroscopy, thermo-analysis and molecular weight determination.

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  • 介绍芦荟多糖提取方法分析方法,包括芦荟多糖的纯度鉴定,分子量测定以及组成分析功能团的鉴定。

    This paper reviews how to isolate and extract and analyze polysaccharide in aloe, including the analysis of purification, testing of molecular weight and component analysis.

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  • 介绍分子量丙烯酸合成分子量测定方法,以及聚丙烯酸钠作为助洗剂吸水性树脂作用机理

    This paper discusses synthesis of high molecular polyacrylate sodium and molecular determination method, action mechanism as washing aid and high water absorbing resin also are discussed.

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  • 分子筛分子量测定结果显示整蛋白分子为45kd左右,表明分离得到POD单体蛋白,与之前的研究结果很大的不同。

    Compared with gel filtration standard showed that the relative molecular weight of POD is about 45kd as well, which indicate that the purified POD is monomer.

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  • 本文gpc测定磺化聚砜分子量分布,它是以特性数的分布来表示的。

    The molecular weight distribution of sulfonated polysulfone, expressed in terms of intrinsic viscosity distribution, has been determined by GPC method.

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  • x -射线衍射、动态力学测定等手段研究不同拉伸倍数超高分子量聚丙烯薄膜的力学性能的变化。

    The mechanical properties of ultrahigh molecular weight polypropylene films with various draw ratios have been studied by WAXD and dynamic mechanical measurements.

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  • SDSPAGE测定纯化蛋白分子量,然后切下目的蛋白条带,进行蛋白质鉴定

    After determining the molecular weight of the purified protein by SDS PAGE, the band was excised from gel for protein identification.

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  • 目的:采用高效凝胶色谱测定猫爪草中所含多糖组分分子量

    Objective: the relative molecular weights of the components of polysaccharides from Radix RanunculusTernate were determined by HPGPC method.

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  • 方法通过体外试验,用粘度测定研究菌酶作用CMC分子量

    Method: Though enzymatic hydrolysis in vitro, the molecular weight of CMC was measured by the method of viscosity measurement under the effect of lysozyme.

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  • 用SDS-聚丙烯酰胺凝胶电泳测定亚基分子量32600。

    The subunit molecular weight was determined as 32600 by SDS-PAGE.

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  • 凝胶色谱法估测了其分子量、用化学滴定红外光谱法测定了其水解

    Molecular weight was obtained by GPC, hydrolyzed ratio was determined by neutralization titration and infrared spectrometry.

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  • 利用粘度测定丙烯酸平均分子量红外光谱分析接枝共聚物结构

    This paper studies the average molecular weight of branched chain of poly ( acrylic acid) by viscosity method. The structure of graft copolymer is also measured by IR method.

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  • 并用凝胶过滤色谱测定不同DE脂肪替代品分子量分布从而分子水平上探讨胶凝机理

    The molecular weight distributions of components of the fat substitutes with different DE value were measured by GPC, as exploring the mechanism of the gel formation at molecular level.

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  • 粘度测定复合树脂pvc的粘均分子量

    Molecular weight of PVC composite resin was determined by viscometer.

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  • 蒸汽压渗长期透(VPO)相比测定分子量数据相对误差小于10%。

    The relative errors of the molecular weights determined by cryoscopy are less than 10% as compared with those determined by VPO method.

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  • 用GPC法测定聚合物分子量1 HNMR表征了各聚合物化学结构

    Molecular weight and chemical structure of each polymer have been characterized by gel permeation chromatography (GPC) and 1h-nmr, respectively.

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  • 研究将空间排阻液相色谱示差折光检测器联用,测定生物反应器中有机物分子量分布特性并进行定量分析。

    The molecular weight distribution and content of organics in membrane bioreactor were analyzed with the combination of steric exclusion chromatography and refractive index detector.

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  • 论文通过测定分子量分布手段来考察混凝粉末活性炭去除有机物效果

    The effect on removal of organics by coagulation and PAC was evaluated by means of determining distribution of MWC.

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  • 测定枝物的分子量计算了接枝物的结构单元,认为每个氯化聚丙烯链上接上的马来酸酐基团个数30~67之间;

    Construction unit number was calculated by determining molecular weight. About 30-67 MAH units are grafted to a CPP chain.

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  • 溶剂溶胀平衡测定聚氨酯单一网络的单位体积内有效交联数目交联点平均分子量

    The number of effective crosslinking chains per unit volume (ve) and the average molecular weights between crosslinks (Mc) were determined by means of equilibrium swelling measurement.

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  • 应用水溶性凝胶渗透色谱测定素的分子量脂溶性凝胶渗透色谱法的测定结果基本一致。

    In this paper, we present a method to determine the molecular weight of alkali lignin directly by using aqueous gel permeation chromatography with Ultrahydroge.

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  • 粘度法测定氧化聚乙烯粘均分子量测定方法、步骤影响因素详细介绍。

    Use viscometry to determine viscosity-average molecular weight of oxidated polyethylene wax and introduce the measurement, process and effect factors in detail.

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  • 实验首先原料聚糖物理性质进行测定:采用酸碱指示剂滴定测定壳聚糖的脱乙酰为83%,应用粘度法测定其粘均分子量为十万左右。

    The first work of this paper is measuring physical properties of chitosan. Degree of deacetylation(DD)of chitosan determined by acid base titration is about 83%.

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  • 实验结果表明利用质心法测定的蛋白分子量最大灰度测定的更接近于标准分子量

    The experimental results show the centroid method has an advantage over the maximum gray level method.

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  • 溶液粘度测定几种不同氯化聚丙烯粘分子量并且稀溶液测定的特性粘数与一般工业使用浓度的粘度联系起来。

    The viscosity average molecular weighs of several different CPPs were determined by dilute solution viscometry and the intrinsic viscosity was related to the viscosity of industry concentration.

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  • 给出了产品熔点折光率、含量分子量分子结构纯度等的测定

    The values of melting point, refractive index, bromine content, molecular weight, molecular constitution and fineness of product are also given.

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  • 给出了产品熔点折光率、含量分子量分子结构纯度等的测定

    The values of melting point, refractive index, bromine content, molecular weight, molecular constitution and fineness of product are also given.

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