• 研究表明,随着反应进行树脂含量相对分子质量降低

    The researches show that the content of resin and the relative molecular mass of maltene decrease as the reaction progress.

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  • 分子质量浓度存在一个最佳

    There is an optimum value about the concentration of a high molecular weight polymer.

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  • 分子原子种类数量决定分子质量

    The kind and number of atoms in a molecule determine a molecular mass.

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  • 相对分子质量分布宽。

    Molecular weight distribution of PUVSi has broaden.

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  • 升高温度引起聚乙烯相对分子质量下降

    High temperature resulted in the decrease of molecular weight of PE.

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  • 相对分子质量分布对降效果的影响明显

    The distribution of the molecular weight had no significant effects on the depression.

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  • 目的制备相对分子质量异枝麒麟菜硫酸多糖

    Objective To prepare low molecular weight Eucheuma striatum sulfated polysaccharides.

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  • 离心分析测得相对分子质量为280 000。

    The molecular weight was determined to be 280 000 by ultracentrifugation.

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  • 采用VPO法测定羊毛数均相对分子质量778。

    The relative molecular mass of lanolin is 778 by the method of VPO.

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  • 用凝胶渗透色谱测定聚醚多元相对分子质量及其分布

    Gel Permeation Chromatography was used to determine the distribution and average molecular weight of polyether polyols.

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  • 目的观察不同相对分子质量硫酸酯化琼脂糖抗凝血性能。

    OBJECTIVE: To study the anticoagulant activity of the sulfated agarose with different relative molecular masses.

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  • 研究了聚醚溶剂和相对分子质量含量性能影响

    The influence of solvents, molecular weight and the content of polyethersulfone on the membrane performances was studied.

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  • 研究共聚条件各单体转化率及共聚物相对分子质量影响

    The effects of terpolymerization conditions on conversion and relative molecular mass of products were studied.

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  • 减压渣油正庚烷沥青质的VPO平均相对分子质量减小了

    The VPO average molecular weight of vacuum residues and asphaltenes all decreased.

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  • 结果表明改性栲胶溶液黏度下降相对分子质量降低分布集中

    It shows that the solution viscosity drops and the relative molecular mass reduces with narrow distribution.

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  • SPS相对分子质量磺化水泥净浆性能几乎没有影响

    The molecular weight and sulfonation degree of SPS have little effect on the cement paste properties.

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  • 研究可生物降解性、阻性能阻垢性能相对分子质量关系

    The biodegradability, scale inhibition and relation of it with molecular are investigated.

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  • 目的研究相对分子质量透明(LMWHA)的促血管生成作用。

    OBJECTIVE To study the angiogenesis effects of low molecular weight hyaluronic acid (LMWHA).

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  • 中文摘要:目的:制备分子质量聚糖建立相应质量控制手段

    Objective: to prepare the low molecular weight chitosan and establish the method for quality control.

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  • 讨论了稠剂相对分子质量相对分子质量分布与其增稠性能关系

    The relationship between the molecular weight, distribution of molecular weight of the thickener and the performances thereof is discussed.

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  • 粘度反映腈纶分子质量分子质量分布聚合物浓度一项综合参数

    Viscosity is a general parameter reflecting the molecular weight, molecular weight distribution, and polymer solution concentration of acrylic fiber.

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  • 有些,你们是否需要记住元素的相对分子质量认为这样的话要求有点过高了

    Some people ask me if I want you to know the molecular weights and so on, and I thought that was bit excessive.

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  • 同时ABS种类PVC相对分子质量的大小影响共混物的表观粘度。

    Molecular weight of PVC and different grade of ABS affected the viscosity of the blends, too.

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  • 随着反应时间延长,水溶性壳聚糖分子质量随之降低产率随之增加

    The molecular weight also decreased with reaction time but the yield of water-soluble chitosan increased with reaction time.

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  • 90公里以下大气区域具有一个接近恒定平均分子质量因此称为均匀层。

    The region of the atmosphere below90km has a nearly constant mean molecular mass and is therefore called the homo sphere.

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  • 通过反应条件控制,可制得不同聚合范围相对分子质量聚乙烯醇

    Through controls the reaction conditions, the high degree PVA with different range of degree is obtained.

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  • 分别考察了机械活化时间温度搅拌速度聚糖溶解度分子质量影响

    The effects of different mechanical activating time, temperature and stirring speed on solubility and molecular weight of chitosan had been examined respectively.

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  • 分别考察了机械活化时间温度搅拌速度聚糖溶解度分子质量影响

    The effects of different mechanical activating time, temperature and stirring speed on solubility and molecular weight of chitosan had been examined respectively.

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