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We studied the effects of protein content, pH and ionic strength on viscosity of silver carp myofibril protein by orthogonal rotational regression design, and established the regression equation of silver carp myofibrillar protein solution viscosity with protein content, pH and ionic strengt
利用二次回归正交旋转试验设计,研究了蛋白质浓度、pH、离子强度对鲢鱼肌原纤维蛋白粘度的影响,建立相应的回归方程,分析比较了它们间的相互作用关系,确定了取得最优粘度时,各因素的组
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The results shows that the water-swelling ratio increases with increasing LiAA or NaAA content, but decreases with increasing DCP content.
原位合成NaAA和LiAA对于CPE橡胶具有很大的增强作用,当NaAA含量和DCP用量分别为10份和1.0份时,硫化胶的拉伸强度可超过30MPa。
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The effects of DCP content, content of in situ formed LiAA or NaAA and LiOH/AA or NaOH/AA molar ratio on the mechanical and water-swelling properties of the vulcanizates were discussed.
同时,硫化胶的力学性能和吸水膨胀性能在很大程度上取决于酸碱摩尔比,过量的AA会给硫化胶的性能带来不利的影响,但碱稍微过量(MeOH/AA摩尔配比为1.0~1.1)对硫化胶的性能影响并不大。
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The experimental results show that hydrophobic association increases obviously with increasing polymer concentration, hydrophobe content, hydrophobic side chain length and temperature. The Critical aggregate concentration of P(AM/NaAA/C_8AM) with different hydrophobic content is 1.5-3g/L. Strong ass...
结果表明,随聚合物浓度、疏水单体摩尔分数、疏水侧链长和温度的增加,疏水缔合作用增强;不同疏水单体含量的P(AM/NaAA/C8AM)的临界缔合浓度为1.5~3.0 g/L;表面活性剂十二烷基硫酸钠与P(AM/NaAA/C8AM)发生了强烈的疏水相互作用,形成混合胶束,得到SDS的临界胶束浓度为8×10-3 mol/L;由于聚合物链上羧基的存在,使其具有良好的 pH敏感性,随 pH值的增大,P(AM/NaAA/C8AM)的疏水缔合作用呈现先减弱后恒定再增强的变化。
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The effects of NaAA content on the mechanical properties and water-swellable properties were studied. The experimental results show that NaAA has good reinforcement for the EVM vulcanizate. EVM vulcanziate reinforced by NaAA has higher water absorbing rate and equilibrium water absorbing ratio. When the NaAA content is 50 phr, the maximum water-absorbing ratio of EVM vulcanziate is 278.3%. With the incorporation of ion into immersing media, the water-absorption ratio of EVM vulcanizates decreases. FT-IR analysis confirms that NaAA formed in the process of compounding and underwent polymerization during vulcanization.
结果表明,NaAA对EVM硫化胶具有明显的增强效果;NaAA原位改性的EVM硫化胶具有较好的吸水膨胀性能,NaAA用量为50phr时,最高吸水率为278.3%;浸泡介质中离子的引入使EVM硫化胶的吸水率下降;FT-IR分析表明,在混炼过程中生成了NaAA,在硫化过程中NaAA发生聚合反应。
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The experimental results show that hydrophobic association increases obviously with increasing polymer concentration, hydrophobe content, hydrophobic side chain length and temperature. The Critical aggregate concentration of P (AM/NaAA/C8AM) with different hydrophobic content is 1.5~3g/L. Strong association between surfactant sodium dodecyl sulfate and P (AM/NaAA/C8AM) occurs through the formation of mixed micelles. The CMC of SDS is 8×10^(-3)mol/L. Moreover, because of the presence of-COOH group, the terpolymers have pH-responsive characterization. The hydrophobical association changes greatly with increasing pH.
结果表明,随聚合物浓度、疏水单体摩尔分数、疏水侧链长和温度的增加,疏水缔合作用增强;不同疏水单体含量的P(AM/NaAA/C8AM)的临界缔合浓度为1.5~3.0g/L;表面活性剂十二烷基硫酸钠与P(AM/NaAA/C8AM)发生了强烈的疏水相互作用,形成混合胶束,得到SDS的临界胶束浓度为8×l0^(-3)mol/L;由于聚合物链上羟基的存在,使其具有良好的pH敏感性,随pH值的增大,P(AM/NaAA/C8AM)的疏水缔合作用呈现先减弱后恒定再增强的变化。
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The accumulating dynamic and differences of 4 husk oat varieties and 5 naked oat variety were studied in this research, and the results showed that the content of β-Glucan of husk oat varieties was higher than that of naked oat varieties, and the content of β-Glucan of Paul which was a naked oat varieties was highest, the MARION was lowest.
本试验通过对4个皮燕麦品种和5个裸燕麦品种β-葡聚糖积累动态和差异性的研究,明确了裸燕麦的β-葡聚糖含量高于皮燕麦,且裸燕麦品种保罗的β-葡聚糖含量最高,MARION的β-葡聚糖最低;在籽粒形成的四个发育阶段中,灌浆后期的β-葡聚糖积累最多对成熟期β-葡聚糖含量有决定性作用。
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To study the area crop distribution and the plan disposition analysis indicated that in 21.99 hm2 type area total cultivated area,the current planters beet,the naked oat,the potato,reached the proportion which occupies with the corn and the red kidney bean five crops respectively was 32.93%,36.88%,5.39%,5.61%and 19.19%;Choosed the region symbolic soil fertility target 0~10 cm surface layer soil the physical property clay content to carry on the farmland regionalization altogether to divide into 4 levels:The 1st level, soil physical property clay content>30%;The 2nd level,25~30%;The 3rd level,20~25%; The 4th level,<20%.,Showed that the plots 1~4 the proportion of cultivated land were 3.32 percent and 26.39 percent,32.16 percent and 38.13 percent.
对研究区作物分布与规划配置分析表明,在21.99hm~2样区总耕地面积中,当前种植的甜菜、莜麦、马铃薯、饲用玉米和红芸豆五种作物所占的比重分别为32.93%、36.88%、5.39%、5.61%和19.19%;选择区域标志性土壤肥力指标0~10cm表层土壤的物理性粘粒含量进行农田区划共分为4级:第1级,土壤物理性粘粒含量>30%;第2级,25~30%;第3级,20~25%:第4级,<20%。,表明该样区1到4级耕地所占的比重分别为3.32%、26.39%、32.16%和38.13%。
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PHMG content within the range of 125 mg/L did not influence the oospore hatchability of Penaeus japonicus and the content within 0.5 mg/L had no significant influence on metamorphosis rate of nauplius larva.
聚六亚甲基胍含量在125 mg/L范围内对日本对虾受精卵孵化率无影响,含量0.5 mg/L以内对无节幼体变态率无明显影响。
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Complex viscosity shows negative deviation at a PBT content between 0 and 0.6 weight fraction, whereas positive deviation occurs for PBT content much than a 0.6 weight fraction.
当PBT含量在0—60%之间时,复数粘度出现负偏差,PBT含量大于60%后出现正偏差。
- 推荐网络例句
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I will endeavour to find you some assistance.
我尽力帮你找人帮忙。
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At first I only know bruck is the idol of American younglings, afterwards I returned back to Taiwan ,even in Beijing last year ,I saw her poster everywhere, I was so surprised at her charm.
起初我只晓得布鲁克雷德丝是美国少男少女崇拜的偶像,后来回台湾,甚至去年在北京,居然也四处看见她的海报,才惊讶她的魅力之大。
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Ah may dee:You are chinese living in a democratic country.
你是居住在民主国家的中国人吧。