酚酞
- 与 酚酞 相关的网络例句 [注:此内容来源于网络,仅供参考]
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The causes of producing error results were analyzed at detecting alkaline cell seal characteristics,using phenolphthalein solution.
摘 要:分析了用酚酞试剂检测碱性电池密封性能产生错误结果的原因。
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Solution from a 10 mL buret.(tolerance ±0.02 mL). On the lower end of the buret attach
加入1滴酚酞*指示剂,用装在10 mL滴定管的氢氧化钠溶液滴定公差±0.02 mL
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Add 1 drop of phenolphthalein* indicator and titrate with the sodium hydroxide solution from a 10 mL buret.(tolerance ±0.02 mL). On the lower end of the buret attacha disposable 1-200 L plastic tip.
加入1滴酚酞*指示剂,用装在10 mL滴定管的氢氧化钠溶液滴定(公差±0.02 mL)在滴定管的末端附加一个即用即弃的1-200 L 的塑胶头。
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Add 1 drop of phenolphthalein* indicator and titrate using a 10 mL buret filled with standardized 0.05 M sodium hydroxide solution (available from the automatic buret, record the actual concentration). Attach a plastic tip to the end
加1滴酚酞*指示剂,然后用刻度为10 mL的,已充满0.05M标准氢氧化钠溶液的滴定管进行滴定(也可以用自动滴定管,记录实际的浓度)在滴定管的未端装上一个塑料尖嘴plastic
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From the dehydration of acetic acid in industry, novel membranes used for this purpose were prepared by modifying Cardo polyetherketone (which is solvent resistance and hydrophobic) for the first time.
基于醋酸脱水的重要的工业意义,本论文首次以耐化学溶剂性能优异的亲油性材料酚酞侧基聚醚酮为膜材料,通过对其进行改性,制备醋酸渗透蒸发脱水膜。
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In this paper two wholly aromatic copolyesters, LCP-111 and LCP-116, provided by Chenguang Institue of Chemical Technology, were blended with two types of high performence engineering plastic, poly and poly with cardo group respectively. Research work was done on the phase morphology, phase separation process, crystallization and melting behaviors and their influence on the properties of LCP/PEEK and LCP/PES-C blends.
本文使用国产的仿Xydar全芳共聚酯LCP分别与二种新型的高性能工程塑料聚醚醚酮和酚酞型聚芳醚砜共混,主要对LCP及其与PEEK,PES-C共混物的相态结构,相分离过程,结晶和熔融行为以及这些因素对性能的影响做了大量的基础研究工作,这些工作是实用改性的理论依据,并且是高聚物共混理论研究中的一个新领域。
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Compared with the composites made of high density polyethylene , carbon black and graphite by solution blending, the composites made of polyphenylene sulfide , polyarylethersulfone with cardo group , short carbon fiber and carbon black by mechanical blending are provided with better repeatability of electrical resistivity.
聚苯硫醚和酚酞型聚芳醚砜与碳纤维和炭黑机械共混所得复合材料和高密度聚乙烯与炭黑和石墨溶液共混所得复合材料相比,前者具有电阻率较易控制、重复性较好的特点。
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The sulfonated polyetherketone with cardo group films made by different sulfonation degrees and solvent evaporation shows different microstructure by PALS and atomic force microscopy.
利用对高分子材料纳米量级自由体积空洞极为灵敏的正电子探针,并辅之原子力显微镜法研究了磺化及溶剂蒸发对酚酞侧基聚芳醚硐膜制备的影响。
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In this study, the electrical conductive composites (comprised of thermoplastic matrix resins-high density polyethylene, polyphenylene sulfide and polyarylethersuifone with cardo group, and conductive fillers-short carbon fiber, carhon black and graphite) are prepared and characterized in detail. The relation among composite structure and directalternating electric properties, some electric and magnetic parameters under X-band microwave and shielding effect, the mechanical behaviour are analysed. And furthermore, some relative experimental devices are developed.
本工作利用短切碳纤维、炭黑、石墨为导电填料填充热塑性树脂高密度聚乙烯、聚苯硫醚、酚酞型聚芳醚砜,制得具有良好导电性能和机械性能的导电性高分子复合材料,并以此为对象,研究了材料的稳恒电场和交变电场的基本特性与材料结构的关系,研究了在X波段微波场下的电磁参量及屏蔽效应,以及研究了复合材料及其基体树脂的力学行为,与此同时还建立了相应的表征测试手段。
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Polyethersulfone with Cardo is a developed engineering thermoplastic and membrane material with high glass transition temperature. PES-C ultrafiltration membranes were prepared by phase inversion method using dimethylacetamide as solvent and PVPK3O as additive.
采用凝胶相转化法,以新型耐高温工程塑料-含酚酞侧基的聚芳醚砜为膜材料,N,N-二甲基乙酰胺为溶剂,通过改变铸膜液中添加剂聚乙烯吡咯烷酮(PVPK30)的含量,在平板刮膜机上制备了一系列超滤膜。
- 推荐网络例句
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Do you know, i need you to come back
你知道吗,我需要你回来
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Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.
1〕 杨银书,王祥生,李德昌。安徽省首次发现嗜群血蜱。
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Chapter Three: Type classification of DE structure in Sino-Tibetan languages.
第三章汉藏语&的&字结构的类型划分。